#include "main.h"
#include "pixbuf-renderer.h"
+#include "renderer-tiles.h"
#include "intl.h"
#include "layout.h"
#endif
-/* size to use when breaking up image pane for rendering */
-#define PR_TILE_SIZE 128
-
-/* default size of tile cache (mb) */
-#define PR_CACHE_SIZE_DEFAULT 8
-
/* default min and max zoom */
#define PR_ZOOM_MIN -32.0
#define PR_ZOOM_MAX 32.0
#define PR_SCROLLER_UPDATES_PER_SEC 30
#define PR_SCROLLER_DEAD_ZONE 6
-/* alpha channel checkerboard background (same as gimp) */
-#define PR_ALPHA_CHECK1 0x00999999
-#define PR_ALPHA_CHECK2 0x00666666
-#define PR_ALPHA_CHECK_SIZE 16
-
/* when scaling image to below this size, use nearest pixel for scaling
* (below about 4, the other scale types become slow generating their conversion tables)
*/
#define PR_MIN_SCALE_SIZE 8
-/* round A up/down to integer count of B */
-#define ROUND_UP(A,B) ((gint)(((A)+(B)-1)/(B))*(B))
-#define ROUND_DOWN(A,B) ((gint)(((A))/(B))*(B))
-
-typedef enum {
- TILE_RENDER_NONE = 0, /* do nothing */
- TILE_RENDER_AREA, /* render an area of the tile */
- TILE_RENDER_ALL /* render the whole tile */
-} ImageTileRenderType;
-
-typedef struct _ImageTile ImageTile;
-typedef struct _QueueData QueueData;
-
-struct _ImageTile
-{
- GdkPixmap *pixmap; /* off screen buffer */
- GdkPixbuf *pixbuf; /* pixbuf area for zooming */
- gint x; /* x offset into image */
- gint y; /* y offset into image */
- gint w; /* width that is visible (may be less if at edge of image) */
- gint h; /* height '' */
-
- gboolean blank;
-
-/* render_todo: (explanation)
- NONE do nothing
- AREA render area of tile, usually only used when loading an image
- note: will jump to an ALL if render_done is not ALL.
- ALL render entire tile, if never done before w/ ALL, for expose events *only*
-*/
-
- ImageTileRenderType render_todo; /* what to do (see above) */
- ImageTileRenderType render_done; /* highest that has been done before on tile */
-
- QueueData *qd;
- QueueData *qd2;
-
- guint size; /* est. memory used by pixmap and pixbuf */
-};
-
-struct _QueueData
-{
- ImageTile *it;
- gint x;
- gint y;
- gint w;
- gint h;
- gboolean new_data;
-};
-
-typedef struct _SourceTile SourceTile;
-struct _SourceTile
-{
- gint x;
- gint y;
- GdkPixbuf *pixbuf;
- gboolean blank;
-};
-
-typedef struct _OverlayData OverlayData;
-struct _OverlayData
-{
- gint id;
-
- GdkPixbuf *pixbuf;
- GdkWindow *window;
-
- gint x;
- gint y;
-
- OverlayRendererFlags flags;
-};
-
enum {
SIGNAL_ZOOM = 0,
SIGNAL_CLICKED,
GValue *value, GParamSpec *pspec);
static gboolean pixbuf_renderer_expose(GtkWidget *widget, GdkEventExpose *event);
-static void pr_render_complete_signal(PixbufRenderer *pr);
-
-static void pr_overlay_list_clear(PixbufRenderer *pr);
static void pr_scroller_timer_set(PixbufRenderer *pr, gboolean start);
-static void pr_border_draw(PixbufRenderer *pr, gint x, gint y, gint w, gint h);
static void pr_source_tile_free_all(PixbufRenderer *pr);
-static void pr_tile_free_all(PixbufRenderer *pr);
-static void pr_tile_invalidate_region(PixbufRenderer *pr, gint x, gint y, gint w, gint h);
-static gboolean pr_tile_is_visible(PixbufRenderer *pr, ImageTile *it);
-static void pr_queue_clear(PixbufRenderer *pr);
-static void pr_queue_merge(QueueData *parent, QueueData *qd);
-static void pr_queue(PixbufRenderer *pr, gint x, gint y, gint w, gint h,
- gint clamp, ImageTileRenderType render, gboolean new_data, gboolean only_existing);
-
-static void pr_redraw(PixbufRenderer *pr, gboolean new_data);
static void pr_zoom_sync(PixbufRenderer *pr, gdouble zoom,
PrZoomFlags flags, gint px, gint py);
static void pr_signals_connect(PixbufRenderer *pr);
static void pr_size_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data);
-static void pr_hierarchy_changed_cb(GtkWidget *widget, GtkWidget *previous_toplevel, gpointer data);
static void pixbuf_renderer_paint(PixbufRenderer *pr, GdkRectangle *area);
-static gint pr_queue_draw_idle_cb(gpointer data);
/*
pr->scroll_reset = PR_SCROLL_RESET_TOPLEFT;
- pr->draw_idle_id = 0;
-
- pr->tile_width = PR_TILE_SIZE;
- pr->tile_height = PR_TILE_SIZE;
-
- pr->tiles = NULL;
- pr->tile_cache_size = 0;
-
- pr->tile_cache_max = PR_CACHE_SIZE_DEFAULT;
-
pr->scroller_id = 0;
pr->scroller_overlay = -1;
pr->norm_center_x = 0.5;
pr->norm_center_y = 0.5;
+
+ pr->renderer = (void *)renderer_tiles_new(pr);
gtk_widget_set_double_buffered(box, FALSE);
g_signal_connect_after(G_OBJECT(box), "size_allocate",
G_CALLBACK(pr_size_cb), pr);
- g_signal_connect(G_OBJECT(pr), "hierarchy-changed",
- G_CALLBACK(pr_hierarchy_changed_cb), pr);
-
pr_signals_connect(pr);
}
pr = PIXBUF_RENDERER(object);
- pr_queue_clear(pr);
- pr_tile_free_all(pr);
+ pr->renderer->free(pr->renderer);
if (pr->pixbuf) g_object_unref(pr->pixbuf);
- if (pr->spare_tile) g_object_unref(pr->spare_tile);
pr_scroller_timer_set(pr, FALSE);
- pr_overlay_list_clear(pr);
pr_source_tile_free_all(pr);
}
pr->complete = g_value_get_boolean(value);
break;
case PROP_CACHE_SIZE_DISPLAY:
- pr->tile_cache_max = g_value_get_uint(value);
+// pr->tile_cache_max = g_value_get_uint(value);
break;
case PROP_CACHE_SIZE_TILES:
pr->source_tiles_cache_size = g_value_get_uint(value);
g_value_set_boolean(value, pr->complete);
break;
case PROP_CACHE_SIZE_DISPLAY:
- g_value_set_uint(value, pr->tile_cache_max);
+// g_value_set_uint(value, pr->tile_cache_max);
break;
case PROP_CACHE_SIZE_TILES:
g_value_set_uint(value, pr->source_tiles_cache_size);
if (cursor) gdk_cursor_unref(cursor);
}
-static gint pixmap_calc_size(GdkPixmap *pixmap)
-{
- gint w, h, d;
-
- d = gdk_drawable_get_depth(pixmap);
- gdk_drawable_get_size(pixmap, &w, &h);
- return w * h * (d / 8);
-}
-
-static gboolean pr_clip_region(gint x, gint y, gint w, gint h,
+gboolean pr_clip_region(gint x, gint y, gint w, gint h,
gint clip_x, gint clip_y, gint clip_w, gint clip_h,
gint *rx, gint *ry, gint *rw, gint *rh)
{
*-------------------------------------------------------------------
*/
-static void pr_overlay_get_position(PixbufRenderer *pr, OverlayData *od,
- gint *x, gint *y, gint *w, gint *h)
-{
- gint px, py, pw, ph;
-
- pw = gdk_pixbuf_get_width(od->pixbuf);
- ph = gdk_pixbuf_get_height(od->pixbuf);
- px = od->x;
- py = od->y;
-
- if (od->flags & OVL_RELATIVE)
- {
- if (px < 0) px = pr->window_width - pw + px;
- if (py < 0) py = pr->window_height - ph + py;
- }
-
- if (x) *x = px;
- if (y) *y = py;
- if (w) *w = pw;
- if (h) *h = ph;
-}
-
-static void pr_overlay_init_window(PixbufRenderer *pr, OverlayData *od)
-{
- gint px, py, pw, ph;
- GdkWindowAttr attributes;
- gint attributes_mask;
-
- pr_overlay_get_position(pr, od, &px, &py, &pw, &ph);
-
- attributes.window_type = GDK_WINDOW_CHILD;
- attributes.wclass = GDK_INPUT_OUTPUT;
- attributes.width = pw;
- attributes.height = ph;
- attributes.event_mask = GDK_EXPOSURE_MASK;
- attributes_mask = 0;
-
- od->window = gdk_window_new(GTK_WIDGET(pr)->window, &attributes, attributes_mask);
- gdk_window_set_user_data(od->window, pr);
- gdk_window_move(od->window, px, py);
- gdk_window_show(od->window);
-}
-
-static void pr_overlay_draw(PixbufRenderer *pr, gint x, gint y, gint w, gint h,
- ImageTile *it)
-{
- GtkWidget *box;
- GList *work;
-
- box = GTK_WIDGET(pr);
-
- work = pr->overlay_list;
- while (work)
- {
- OverlayData *od;
- gint px, py, pw, ph;
- gint rx, ry, rw, rh;
-
- od = work->data;
- work = work->next;
-
- if (!od->window) pr_overlay_init_window(pr, od);
-
- pr_overlay_get_position(pr, od, &px, &py, &pw, &ph);
- if (pr_clip_region(x, y, w, h, px, py, pw, ph, &rx, &ry, &rw, &rh))
- {
- if (!pr->overlay_buffer)
- {
- pr->overlay_buffer = gdk_pixmap_new(((GtkWidget *)pr)->window, pr->tile_width, pr->tile_height, -1);
- }
-
- if (it)
- {
-#if GTK_CHECK_VERSION(2,20,0)
- gdk_draw_drawable(pr->overlay_buffer, box->style->fg_gc[gtk_widget_get_state(box)],
-#else
- gdk_draw_drawable(pr->overlay_buffer, box->style->fg_gc[GTK_WIDGET_STATE(box)],
-#endif
- it->pixmap,
- rx - (pr->x_offset + (it->x - pr->x_scroll)),
- ry - (pr->y_offset + (it->y - pr->y_scroll)),
- 0, 0, rw, rh);
- gdk_draw_pixbuf(pr->overlay_buffer,
-#if GTK_CHECK_VERSION(2,20,0)
- box->style->fg_gc[gtk_widget_get_state(box)],
-#else
- box->style->fg_gc[GTK_WIDGET_STATE(box)],
-#endif
- od->pixbuf,
- rx - px, ry - py,
- 0, 0, rw, rh,
- pr->dither_quality, rx, ry);
-#if GTK_CHECK_VERSION(2,20,0)
- gdk_draw_drawable(od->window, box->style->fg_gc[gtk_widget_get_state(box)],
-#else
- gdk_draw_drawable(od->window, box->style->fg_gc[GTK_WIDGET_STATE(box)],
-#endif
- pr->overlay_buffer,
- 0, 0,
- rx - px, ry - py, rw, rh);
- }
- else
- {
- /* no ImageTile means region may be larger than our scratch buffer */
- gint sx, sy;
-
- for (sx = rx; sx < rx + rw; sx += pr->tile_width)
- for (sy = ry; sy < ry + rh; sy += pr->tile_height)
- {
- gint sw, sh;
-
- sw = MIN(rx + rw - sx, pr->tile_width);
- sh = MIN(ry + rh - sy, pr->tile_height);
-
- gdk_draw_rectangle(pr->overlay_buffer,
-#if GTK_CHECK_VERSION(2,20,0)
- box->style->bg_gc[gtk_widget_get_state(box)], TRUE,
-#else
- box->style->bg_gc[GTK_WIDGET_STATE(box)], TRUE,
-#endif
- 0, 0, sw, sh);
- gdk_draw_pixbuf(pr->overlay_buffer,
-#if GTK_CHECK_VERSION(2,20,0)
- box->style->fg_gc[gtk_widget_get_state(box)],
-#else
- box->style->fg_gc[GTK_WIDGET_STATE(box)],
-#endif
- od->pixbuf,
- sx - px, sy - py,
- 0, 0, sw, sh,
- pr->dither_quality, sx, sy);
-#if GTK_CHECK_VERSION(2,20,0)
- gdk_draw_drawable(od->window, box->style->fg_gc[gtk_widget_get_state(box)],
-#else
- gdk_draw_drawable(od->window, box->style->fg_gc[GTK_WIDGET_STATE(box)],
-#endif
- pr->overlay_buffer,
- 0, 0,
- sx - px, sy - py, sw, sh);
- }
- }
- }
- }
-}
-
-static void pr_overlay_queue_draw(PixbufRenderer *pr, OverlayData *od)
-{
- gint x, y, w, h;
-
- pr_overlay_get_position(pr, od, &x, &y, &w, &h);
- pr_queue(pr, pr->x_scroll - pr->x_offset + x,
- pr->y_scroll - pr->y_offset + y,
- w, h,
- FALSE, TILE_RENDER_ALL, FALSE, FALSE);
-
- pr_border_draw(pr, x, y, w, h);
-}
-
-static void pr_overlay_queue_all(PixbufRenderer *pr)
-{
- GList *work;
-
- work = pr->overlay_list;
- while (work)
- {
- OverlayData *od = work->data;
- work = work->next;
-
- pr_overlay_queue_draw(pr, od);
- }
-}
-
-static void pr_overlay_update_sizes(PixbufRenderer *pr)
-{
- GList *work;
-
- work = pr->overlay_list;
- while (work)
- {
- OverlayData *od = work->data;
- work = work->next;
-
- if (!od->window) pr_overlay_init_window(pr, od);
-
- if (od->flags & OVL_RELATIVE)
- {
- gint x, y, w, h;
-
- pr_overlay_get_position(pr, od, &x, &y, &w, &h);
- gdk_window_move_resize(od->window, x, y, w, h);
- }
- }
-}
-
-static OverlayData *pr_overlay_find(PixbufRenderer *pr, gint id)
-{
- GList *work;
-
- work = pr->overlay_list;
- while (work)
- {
- OverlayData *od = work->data;
- work = work->next;
-
- if (od->id == id) return od;
- }
-
- return NULL;
-}
-
gint pixbuf_renderer_overlay_add(PixbufRenderer *pr, GdkPixbuf *pixbuf, gint x, gint y,
OverlayRendererFlags flags)
{
- OverlayData *od;
- gint id;
-
- g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), -1);
- g_return_val_if_fail(pixbuf != NULL, -1);
-
- id = 1;
- while (pr_overlay_find(pr, id)) id++;
-
- od = g_new0(OverlayData, 1);
- od->id = id;
- od->pixbuf = pixbuf;
- g_object_ref(G_OBJECT(od->pixbuf));
- od->x = x;
- od->y = y;
- od->flags = flags;
-
- pr_overlay_init_window(pr, od);
-
- pr->overlay_list = g_list_append(pr->overlay_list, od);
-
- pr_overlay_queue_draw(pr, od);
-
- return od->id;
-}
-
-static void pr_overlay_free(PixbufRenderer *pr, OverlayData *od)
-{
- pr->overlay_list = g_list_remove(pr->overlay_list, od);
-
- if (od->pixbuf) g_object_unref(G_OBJECT(od->pixbuf));
- if (od->window) gdk_window_destroy(od->window);
- g_free(od);
-
- if (!pr->overlay_list && pr->overlay_buffer)
- {
- g_object_unref(pr->overlay_buffer);
- pr->overlay_buffer = NULL;
- }
-}
-
-static void pr_overlay_list_clear(PixbufRenderer *pr)
-{
- while (pr->overlay_list)
- {
- OverlayData *od;
-
- od = pr->overlay_list->data;
- pr_overlay_free(pr, od);
- }
-}
-
-static void pr_overlay_list_reset_window(PixbufRenderer *pr)
-{
- GList *work;
-
- if (pr->overlay_buffer) g_object_unref(pr->overlay_buffer);
- pr->overlay_buffer = NULL;
-
- work = pr->overlay_list;
- while (work)
- {
- OverlayData *od = work->data;
- work = work->next;
- if (od->window) gdk_window_destroy(od->window);
- od->window = NULL;
- }
+ return pr->renderer->overlay_add(pr->renderer, pixbuf, x, y, flags);
}
void pixbuf_renderer_overlay_set(PixbufRenderer *pr, gint id, GdkPixbuf *pixbuf, gint x, gint y)
{
- OverlayData *od;
-
- g_return_if_fail(IS_PIXBUF_RENDERER(pr));
-
- od = pr_overlay_find(pr, id);
- if (!od) return;
-
- if (pixbuf)
- {
- gint px, py, pw, ph;
-
- g_object_ref(G_OBJECT(pixbuf));
- g_object_unref(G_OBJECT(od->pixbuf));
- od->pixbuf = pixbuf;
-
- od->x = x;
- od->y = y;
-
- if (!od->window) pr_overlay_init_window(pr, od);
-
- pr_overlay_queue_draw(pr, od);
- pr_overlay_get_position(pr, od, &px, &py, &pw, &ph);
- gdk_window_move_resize(od->window, px, py, pw, ph);
- }
- else
- {
- pr_overlay_queue_draw(pr, od);
- pr_overlay_free(pr, od);
- }
+ pr->renderer->overlay_set(pr->renderer, id, pixbuf, x, y);
}
gboolean pixbuf_renderer_overlay_get(PixbufRenderer *pr, gint id, GdkPixbuf **pixbuf, gint *x, gint *y)
{
- OverlayData *od;
-
- g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
-
- od = pr_overlay_find(pr, id);
- if (!od) return FALSE;
-
- if (pixbuf) *pixbuf = od->pixbuf;
- if (x) *x = od->x;
- if (y) *y = od->y;
-
- return TRUE;
+ return pr->renderer->overlay_get(pr->renderer, id, pixbuf, x, y);
}
void pixbuf_renderer_overlay_remove(PixbufRenderer *pr, gint id)
{
- pixbuf_renderer_overlay_set(pr, id, NULL, 0, 0);
-}
-
-static void pr_hierarchy_changed_cb(GtkWidget *widget, GtkWidget *previous_toplevel, gpointer data)
-{
- PixbufRenderer *pr = data;
- pr_overlay_list_reset_window(pr);
+ pr->renderer->overlay_set(pr->renderer, id, NULL, 0, 0);
}
-
/*
*-------------------------------------------------------------------
* scroller overlay
*-------------------------------------------------------------------
*/
-static void pr_border_draw(PixbufRenderer *pr, gint x, gint y, gint w, gint h)
-{
- GtkWidget *box;
- gint rx, ry, rw, rh;
-
- box = GTK_WIDGET(pr);
-
- if (!box->window) return;
-
- if (!pr->pixbuf && !pr->source_tiles_enabled)
- {
- if (pr_clip_region(x, y, w, h,
- 0, 0,
- pr->window_width, pr->window_height,
- &rx, &ry, &rw, &rh))
- {
- gdk_window_clear_area(box->window, rx, ry, rw, rh);
- pr_overlay_draw(pr, rx, ry, rw, rh, NULL);
- }
- return;
- }
-
- if (pr->vis_width < pr->window_width)
- {
- if (pr->x_offset > 0 &&
- pr_clip_region(x, y, w, h,
- 0, 0,
- pr->x_offset, pr->window_height,
- &rx, &ry, &rw, &rh))
- {
- gdk_window_clear_area(box->window, rx, ry, rw, rh);
- pr_overlay_draw(pr, rx, ry, rw, rh, NULL);
- }
- if (pr->window_width - pr->vis_width - pr->x_offset > 0 &&
- pr_clip_region(x, y, w, h,
- pr->x_offset + pr->vis_width, 0,
- pr->window_width - pr->vis_width - pr->x_offset, pr->window_height,
- &rx, &ry, &rw, &rh))
- {
- gdk_window_clear_area(box->window, rx, ry, rw, rh);
- pr_overlay_draw(pr, rx, ry, rw, rh, NULL);
- }
- }
- if (pr->vis_height < pr->window_height)
- {
- if (pr->y_offset > 0 &&
- pr_clip_region(x, y, w, h,
- pr->x_offset, 0,
- pr->vis_width, pr->y_offset,
- &rx, &ry, &rw, &rh))
- {
- gdk_window_clear_area(box->window, rx, ry, rw, rh);
- pr_overlay_draw(pr, rx, ry, rw, rh, NULL);
- }
- if (pr->window_height - pr->vis_height - pr->y_offset > 0 &&
- pr_clip_region(x, y, w, h,
- pr->x_offset, pr->y_offset + pr->vis_height,
- pr->vis_width, pr->window_height - pr->vis_height - pr->y_offset,
- &rx, &ry, &rw, &rh))
- {
- gdk_window_clear_area(box->window, rx, ry, rw, rh);
- pr_overlay_draw(pr, rx, ry, rw, rh, NULL);
- }
- }
-}
-
static void pr_border_clear(PixbufRenderer *pr)
{
- pr_border_draw(pr, 0, 0, pr->window_width, pr->window_height);
+ pr->renderer->border_draw(pr->renderer, 0, 0, pr->window_width, pr->window_height);
}
void pixbuf_renderer_set_color(PixbufRenderer *pr, GdkColor *color)
#endif
}
+static void pr_redraw(PixbufRenderer *pr, gboolean new_data)
+{
+ pr->renderer->queue_clear(pr->renderer);
+ pr->renderer->queue(pr->renderer, 0, 0, pr->width, pr->height, TRUE, TILE_RENDER_ALL, new_data, FALSE);
+}
/*
*-------------------------------------------------------------------
if (!st) return FALSE;
- x1 = ROUND_DOWN(pr->x_scroll, pr->tile_width);
- y1 = ROUND_DOWN(pr->y_scroll, pr->tile_height);
- x2 = ROUND_UP(pr->x_scroll + pr->vis_width, pr->tile_width);
- y2 = ROUND_UP(pr->y_scroll + pr->vis_height, pr->tile_height);
+// x1 = ROUND_DOWN(pr->x_scroll, pr->tile_width);
+// y1 = ROUND_DOWN(pr->y_scroll, pr->tile_height);
+// x2 = ROUND_UP(pr->x_scroll + pr->vis_width, pr->tile_width);
+// y2 = ROUND_UP(pr->y_scroll + pr->vis_height, pr->tile_height);
+ x1 = pr->x_scroll;
+ y1 = pr->y_scroll;
+ x2 = pr->x_scroll + pr->vis_width;
+ y2 = pr->y_scroll + pr->vis_height;
return !((gdouble)st->x * pr->scale > (gdouble)x2 ||
(gdouble)(st->x + pr->source_tile_width) * pr->scale < (gdouble)x1 ||
st->blank = FALSE;
}
- pr_tile_invalidate_region(pr, st->x * pr->scale, st->y * pr->scale,
+ pr->renderer->invalidate_region(pr->renderer, st->x * pr->scale, st->y * pr->scale,
pr->source_tile_width * pr->scale, pr->source_tile_height * pr->scale);
return st;
return NULL;
}
-static GList *pr_source_tile_compute_region(PixbufRenderer *pr, gint x, gint y, gint w, gint h, gboolean request)
+GList *pr_source_tile_compute_region(PixbufRenderer *pr, gint x, gint y, gint w, gint h, gboolean request)
{
gint x1, y1;
GList *list = NULL;
if (pr->func_tile_request &&
pr->func_tile_request(pr, rx, ry, rw, rh, pixbuf, pr->func_tile_data))
{
- pr_tile_invalidate_region(pr, rx * pr->scale, ry * pr->scale,
+ pr->renderer->invalidate_region(pr->renderer, rx * pr->scale, ry * pr->scale,
rw * pr->scale, rh * pr->scale);
}
g_object_unref(pixbuf);
}
}
-static gboolean pr_source_tile_render(PixbufRenderer *pr, ImageTile *it,
- gint x, gint y, gint w, gint h,
- gboolean new_data, gboolean fast)
+void pixbuf_renderer_set_tiles(PixbufRenderer *pr, gint width, gint height,
+ gint tile_width, gint tile_height, gint cache_size,
+ PixbufRendererTileRequestFunc func_request,
+ PixbufRendererTileDisposeFunc func_dispose,
+ gpointer user_data,
+ gdouble zoom)
{
- GtkWidget *box;
- GList *list;
- GList *work;
- gboolean draw = FALSE;
+ g_return_if_fail(IS_PIXBUF_RENDERER(pr));
+ g_return_if_fail(tile_width >= 32 && tile_width >= 32);
+ g_return_if_fail(width >= 32 && height > 32);
+ g_return_if_fail(func_request != NULL);
- box = GTK_WIDGET(pr);
+ if (pr->pixbuf) g_object_unref(pr->pixbuf);
+ pr->pixbuf = NULL;
- if (pr->zoom == 1.0 || pr->scale == 1.0)
- {
- list = pr_source_tile_compute_region(pr, it->x + x, it->y + y, w, h, TRUE);
- work = list;
- while (work)
- {
- SourceTile *st;
- gint rx, ry, rw, rh;
+ pr_source_tile_unset(pr);
- st = work->data;
- work = work->next;
-
- if (pr_clip_region(st->x, st->y, pr->source_tile_width, pr->source_tile_height,
- it->x + x, it->y + y, w, h,
- &rx, &ry, &rw, &rh))
- {
- if (st->blank)
- {
- gdk_draw_rectangle(it->pixmap, box->style->black_gc, TRUE,
- rx - st->x, ry - st->y, rw, rh);
- }
- else /* (pr->zoom == 1.0 || pr->scale == 1.0) */
- {
- gdk_draw_pixbuf(it->pixmap,
-#if GTK_CHECK_VERSION(2,20,0)
- box->style->fg_gc[gtk_widget_get_state(box)],
-#else
- box->style->fg_gc[GTK_WIDGET_STATE(box)],
-#endif
- st->pixbuf,
- rx - st->x, ry - st->y,
- rx - it->x, ry - it->y,
- rw, rh,
- pr->dither_quality, rx, ry);
- }
- }
- }
- }
- else
- {
- gdouble scale_x, scale_y;
- gint sx, sy, sw, sh;
-
- if (pr->image_width == 0 || pr->image_height == 0) return FALSE;
- scale_x = (gdouble)pr->width / pr->image_width;
- scale_y = (gdouble)pr->height / pr->image_height;
-
- sx = (gdouble)(it->x + x) / scale_x;
- sy = (gdouble)(it->y + y) / scale_y;
- sw = (gdouble)w / scale_x;
- sh = (gdouble)h / scale_y;
-
- if (pr->width < PR_MIN_SCALE_SIZE || pr->height < PR_MIN_SCALE_SIZE) fast = TRUE;
-
-#if 0
- /* draws red over draw region, to check for leaks (regions not filled) */
- pixbuf_set_rect_fill(it->pixbuf, x, y, w, h, 255, 0, 0, 255);
-#endif
-
- list = pr_source_tile_compute_region(pr, sx, sy, sw, sh, TRUE);
- work = list;
- while (work)
- {
- SourceTile *st;
- gint rx, ry, rw, rh;
- gint stx, sty, stw, sth;
-
- st = work->data;
- work = work->next;
-
- stx = floor((gdouble)st->x * scale_x);
- sty = floor((gdouble)st->y * scale_y);
- stw = ceil((gdouble)(st->x + pr->source_tile_width) * scale_x) - stx;
- sth = ceil((gdouble)(st->y + pr->source_tile_height) * scale_y) - sty;
-
- if (pr_clip_region(stx, sty, stw, sth,
- it->x + x, it->y + y, w, h,
- &rx, &ry, &rw, &rh))
- {
- if (st->blank)
- {
- gdk_draw_rectangle(it->pixmap, box->style->black_gc, TRUE,
- rx - st->x, ry - st->y, rw, rh);
- }
- else
- {
- gdouble offset_x;
- gdouble offset_y;
-
- /* may need to use unfloored stx,sty values here */
- offset_x = (gdouble)(stx - it->x);
- offset_y = (gdouble)(sty - it->y);
-
- gdk_pixbuf_scale(st->pixbuf, it->pixbuf, rx - it->x, ry - it->y, rw, rh,
- (gdouble) 0.0 + offset_x,
- (gdouble) 0.0 + offset_y,
- scale_x, scale_y,
- (fast) ? GDK_INTERP_NEAREST : pr->zoom_quality);
- draw = TRUE;
- }
- }
- }
- }
-
- g_list_free(list);
-
- return draw;
-}
-
-void pixbuf_renderer_set_tiles(PixbufRenderer *pr, gint width, gint height,
- gint tile_width, gint tile_height, gint cache_size,
- PixbufRendererTileRequestFunc func_request,
- PixbufRendererTileDisposeFunc func_dispose,
- gpointer user_data,
- gdouble zoom)
-{
- g_return_if_fail(IS_PIXBUF_RENDERER(pr));
- g_return_if_fail(tile_width >= 32 && tile_width >= 32);
- g_return_if_fail(width >= 32 && height > 32);
- g_return_if_fail(func_request != NULL);
-
- if (pr->pixbuf) g_object_unref(pr->pixbuf);
- pr->pixbuf = NULL;
-
- pr_source_tile_unset(pr);
-
- if (cache_size < 4) cache_size = 4;
+ if (cache_size < 4) cache_size = 4;
pr->source_tiles_enabled = TRUE;
pr->source_tiles_cache_size = cache_size;
static void pr_zoom_adjust_real(PixbufRenderer *pr, gdouble increment,
PrZoomFlags flags, gint x, gint y)
{
- gdouble zoom = pr->zoom;
-
- if (increment == 0.0) return;
-
- if (zoom == 0.0)
- {
- if (pr->scale < 1.0)
- {
- zoom = 0.0 - 1.0 / pr->scale;
- }
- else
- {
- zoom = pr->scale;
- }
- }
-
- if (increment < 0.0)
- {
- if (zoom >= 1.0 && zoom + increment < 1.0)
- {
- zoom = zoom + increment - 2.0;
- }
- else
- {
- zoom = zoom + increment;
- }
- }
- else
- {
- if (zoom <= -1.0 && zoom + increment > -1.0)
- {
- zoom = zoom + increment + 2.0;
- }
- else
- {
- zoom = zoom + increment;
- }
- }
-
- pr_zoom_sync(pr, zoom, flags, x, y);
-}
-
-/*
- *-------------------------------------------------------------------
- * display tiles
- *-------------------------------------------------------------------
- */
-
-static ImageTile *pr_tile_new(gint x, gint y, gint width, gint height)
-{
- ImageTile *it;
-
- it = g_new0(ImageTile, 1);
-
- it->x = x;
- it->y = y;
- it->w = width;
- it->h = height;
-
- it->render_done = TILE_RENDER_NONE;
-
- return it;
-}
-
-static void pr_tile_free(ImageTile *it)
-{
- if (!it) return;
-
- if (it->pixbuf) g_object_unref(it->pixbuf);
- if (it->pixmap) g_object_unref(it->pixmap);
-
- g_free(it);
-}
-
-static void pr_tile_free_all(PixbufRenderer *pr)
-{
- GList *work;
-
- work = pr->tiles;
- while (work)
- {
- ImageTile *it;
-
- it = work->data;
- work = work->next;
-
- pr_tile_free(it);
- }
-
- g_list_free(pr->tiles);
- pr->tiles = NULL;
- pr->tile_cache_size = 0;
-}
-
-static ImageTile *pr_tile_add(PixbufRenderer *pr, gint x, gint y)
-{
- ImageTile *it;
-
- it = pr_tile_new(x, y, pr->tile_width, pr->tile_height);
-
- if (it->x + it->w > pr->width) it->w = pr->width - it->x;
- if (it->y + it->h > pr->height) it->h = pr->height - it->y;
-
- pr->tiles = g_list_prepend(pr->tiles, it);
- pr->tile_cache_size += it->size;
-
- return it;
-}
-
-static void pr_tile_remove(PixbufRenderer *pr, ImageTile *it)
-{
- if (it->qd)
- {
- QueueData *qd = it->qd;
-
- it->qd = NULL;
- pr->draw_queue = g_list_remove(pr->draw_queue, qd);
- g_free(qd);
- }
-
- if (it->qd2)
- {
- QueueData *qd = it->qd2;
-
- it->qd2 = NULL;
- pr->draw_queue_2pass = g_list_remove(pr->draw_queue_2pass, qd);
- g_free(qd);
- }
-
- pr->tiles = g_list_remove(pr->tiles, it);
- pr->tile_cache_size -= it->size;
-
- pr_tile_free(it);
-}
-
-static void pr_tile_free_space(PixbufRenderer *pr, guint space, ImageTile *it)
-{
- GList *work;
- guint tile_max;
-
- work = g_list_last(pr->tiles);
-
- if (pr->source_tiles_enabled && pr->scale < 1.0)
- {
- gint tiles;
-
- tiles = (pr->vis_width / pr->tile_width + 1) * (pr->vis_height / pr->tile_height + 1);
- tile_max = MAX(tiles * pr->tile_width * pr->tile_height * 3,
- (gint)((gdouble)pr->tile_cache_max * 1048576.0 * pr->scale));
- }
- else
- {
- tile_max = pr->tile_cache_max * 1048576;
- }
-
- while (work && pr->tile_cache_size + space > tile_max)
- {
- ImageTile *needle;
-
- needle = work->data;
- work = work->prev;
- if (needle != it &&
- ((!needle->qd && !needle->qd2) || !pr_tile_is_visible(pr, needle))) pr_tile_remove(pr, needle);
- }
-}
-
-static void pr_tile_invalidate_all(PixbufRenderer *pr)
-{
- GList *work;
-
- work = pr->tiles;
- while (work)
- {
- ImageTile *it;
-
- it = work->data;
- work = work->next;
-
- it->render_done = TILE_RENDER_NONE;
- it->render_todo = TILE_RENDER_ALL;
- it->blank = FALSE;
-
- it->w = MIN(pr->tile_width, pr->width - it->x);
- it->h = MIN(pr->tile_height, pr->height - it->y);
- }
-}
-
-static void pr_tile_invalidate_region(PixbufRenderer *pr, gint x, gint y, gint w, gint h)
-{
- gint x1, x2;
- gint y1, y2;
- GList *work;
-
- x1 = ROUND_DOWN(x, pr->tile_width);
- x2 = ROUND_UP(x + w, pr->tile_width);
-
- y1 = ROUND_DOWN(y, pr->tile_height);
- y2 = ROUND_UP(y + h, pr->tile_height);
-
- work = pr->tiles;
- while (work)
- {
- ImageTile *it;
-
- it = work->data;
- work = work->next;
-
- if (it->x < x2 && it->x + it->w > x1 &&
- it->y < y2 && it->y + it->h > y1)
- {
- it->render_done = TILE_RENDER_NONE;
- it->render_todo = TILE_RENDER_ALL;
- }
- }
-}
-
-static ImageTile *pr_tile_get(PixbufRenderer *pr, gint x, gint y, gboolean only_existing)
-{
- GList *work;
-
- work = pr->tiles;
- while (work)
- {
- ImageTile *it;
-
- it = work->data;
- if (it->x == x && it->y == y)
- {
- pr->tiles = g_list_delete_link(pr->tiles, work);
- pr->tiles = g_list_prepend(pr->tiles, it);
- return it;
- }
-
- work = work->next;
- }
-
- if (only_existing) return NULL;
-
- return pr_tile_add(pr, x, y);
-}
-
-static void pr_tile_prepare(PixbufRenderer *pr, ImageTile *it)
-{
- if (!it->pixmap)
- {
- GdkPixmap *pixmap;
- guint size;
-
- pixmap = gdk_pixmap_new(((GtkWidget *)pr)->window, pr->tile_width, pr->tile_height, -1);
-
- size = pixmap_calc_size(pixmap);
- pr_tile_free_space(pr, size, it);
-
- it->pixmap = pixmap;
- it->size += size;
- pr->tile_cache_size += size;
- }
-
- if ((pr->zoom != 1.0 || pr->source_tiles_enabled || (pr->pixbuf && gdk_pixbuf_get_has_alpha(pr->pixbuf)) ||
- pr->orientation != EXIF_ORIENTATION_TOP_LEFT || pr->func_post_process) && !it->pixbuf)
- {
- GdkPixbuf *pixbuf;
- guint size;
-#if 0
-/* I don't think that we need a pixbuf with alpha channel here */
- if (pr->pixbuf)
- {
- pixbuf = gdk_pixbuf_new(gdk_pixbuf_get_colorspace(pr->pixbuf),
- gdk_pixbuf_get_has_alpha(pr->pixbuf),
- gdk_pixbuf_get_bits_per_sample(pr->pixbuf),
- pr->tile_width, pr->tile_height);
- }
- else
-#endif
- {
- pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, pr->tile_width, pr->tile_height);
- }
-
- size = gdk_pixbuf_get_rowstride(pixbuf) * pr->tile_height;
- pr_tile_free_space(pr, size, it);
-
- it->pixbuf = pixbuf;
- it->size += size;
- pr->tile_cache_size += size;
- }
-}
-
-/*
- *-------------------------------------------------------------------
- * drawing
- *-------------------------------------------------------------------
- */
-
-
-static void pr_tile_coords_map_orientation(PixbufRenderer *pr,
- gdouble tile_x, gdouble tile_y, /* coordinates of the tile */
- gdouble image_w, gdouble image_h,
- gdouble tile_w, gdouble tile_h,
- gdouble *res_x, gdouble *res_y)
-{
- *res_x = tile_x;
- *res_y = tile_y;
- switch (pr->orientation)
- {
- case EXIF_ORIENTATION_TOP_LEFT:
- /* normal -- nothing to do */
- break;
- case EXIF_ORIENTATION_TOP_RIGHT:
- /* mirrored */
- *res_x = image_w - tile_x - tile_w;
- break;
- case EXIF_ORIENTATION_BOTTOM_RIGHT:
- /* upside down */
- *res_x = image_w - tile_x - tile_w;
- *res_y = image_h - tile_y - tile_h;
- break;
- case EXIF_ORIENTATION_BOTTOM_LEFT:
- /* flipped */
- *res_y = image_h - tile_y - tile_h;
- break;
- case EXIF_ORIENTATION_LEFT_TOP:
- *res_x = tile_y;
- *res_y = tile_x;
- break;
- case EXIF_ORIENTATION_RIGHT_TOP:
- /* rotated -90 (270) */
- *res_x = tile_y;
- *res_y = image_w - tile_x - tile_w;
- break;
- case EXIF_ORIENTATION_RIGHT_BOTTOM:
- *res_x = image_h - tile_y - tile_h;
- *res_y = image_w - tile_x - tile_w;
- break;
- case EXIF_ORIENTATION_LEFT_BOTTOM:
- /* rotated 90 */
- *res_x = image_h - tile_y - tile_h;
- *res_y = tile_x;
- break;
- default:
- /* The other values are out of range */
- break;
- }
-// log_printf("tile coord y:%f, ih:%d, th:%f ry:%f\n", tile_y, image_h, tile_h, *res_x);
-}
-
-static void pr_tile_region_map_orientation(PixbufRenderer *pr,
- gint area_x, gint area_y, /* coordinates of the area inside tile */
- gint tile_w, gint tile_h,
- gint area_w, gint area_h,
- gint *res_x, gint *res_y,
- gint *res_w, gint *res_h)
-{
- *res_x = area_x;
- *res_y = area_y;
- *res_w = area_w;
- *res_h = area_h;
-
- switch (pr->orientation)
- {
- case EXIF_ORIENTATION_TOP_LEFT:
- /* normal -- nothing to do */
- break;
- case EXIF_ORIENTATION_TOP_RIGHT:
- /* mirrored */
- *res_x = tile_w - area_x - area_w;
- break;
- case EXIF_ORIENTATION_BOTTOM_RIGHT:
- /* upside down */
- *res_x = tile_w - area_x - area_w;
- *res_y = tile_h - area_y - area_h;
- break;
- case EXIF_ORIENTATION_BOTTOM_LEFT:
- /* flipped */
- *res_y = tile_h - area_y - area_h;
- break;
- case EXIF_ORIENTATION_LEFT_TOP:
- *res_x = area_y;
- *res_y = area_x;
- *res_w = area_h;
- *res_h = area_w;
- break;
- case EXIF_ORIENTATION_RIGHT_TOP:
- /* rotated -90 (270) */
- *res_x = area_y;
- *res_y = tile_w - area_x - area_w;
- *res_w = area_h;
- *res_h = area_w;
- break;
- case EXIF_ORIENTATION_RIGHT_BOTTOM:
- *res_x = tile_h - area_y - area_h;
- *res_y = tile_w - area_x - area_w;
- *res_w = area_h;
- *res_h = area_w;
- break;
- case EXIF_ORIENTATION_LEFT_BOTTOM:
- /* rotated 90 */
- *res_x = tile_h - area_y - area_h;
- *res_y = area_x;
- *res_w = area_h;
- *res_h = area_w;
- break;
- default:
- /* The other values are out of range */
- break;
- }
-// log_printf("inside y:%d, th:%d, ah:%d ry:%d\n", area_y, tile_h, area_h, *res_x);
-}
-
-static void pr_coords_map_orientation_reverse(PixbufRenderer *pr,
- gint area_x, gint area_y,
- gint tile_w, gint tile_h,
- gint area_w, gint area_h,
- gint *res_x, gint *res_y,
- gint *res_w, gint *res_h)
-{
- *res_x = area_x;
- *res_y = area_y;
- *res_w = area_w;
- *res_h = area_h;
-
- switch (pr->orientation)
- {
- case EXIF_ORIENTATION_TOP_LEFT:
- /* normal -- nothing to do */
- break;
- case EXIF_ORIENTATION_TOP_RIGHT:
- /* mirrored */
- *res_x = tile_w - area_x - area_w;
- break;
- case EXIF_ORIENTATION_BOTTOM_RIGHT:
- /* upside down */
- *res_x = tile_w - area_x - area_w;
- *res_y = tile_h - area_y - area_h;
- break;
- case EXIF_ORIENTATION_BOTTOM_LEFT:
- /* flipped */
- *res_y = tile_h - area_y - area_h;
- break;
- case EXIF_ORIENTATION_LEFT_TOP:
- *res_x = area_y;
- *res_y = area_x;
- *res_w = area_h;
- *res_h = area_w;
- break;
- case EXIF_ORIENTATION_RIGHT_TOP:
- /* rotated -90 (270) */
- *res_x = tile_w - area_y - area_h;
- *res_y = area_x;
- *res_w = area_h;
- *res_h = area_w;
- break;
- case EXIF_ORIENTATION_RIGHT_BOTTOM:
- *res_x = tile_w - area_y - area_h;
- *res_y = tile_h - area_x - area_w;
- *res_w = area_h;
- *res_h = area_w;
- break;
- case EXIF_ORIENTATION_LEFT_BOTTOM:
- /* rotated 90 */
- *res_x = area_y;
- *res_y = tile_h - area_x - area_w;
- *res_w = area_h;
- *res_h = area_w;
- break;
- default:
- /* The other values are out of range */
- break;
- }
-}
-
-
-static GdkPixbuf *pr_get_spare_tile(PixbufRenderer *pr)
-{
- if (!pr->spare_tile) pr->spare_tile = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, pr->tile_width, pr->tile_height);
- return pr->spare_tile;
-}
-
-#define COLOR_BYTES 3 /* rgb */
-
-static void pr_tile_rotate_90_clockwise(PixbufRenderer *pr, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
-{
- GdkPixbuf *src = *tile;
- GdkPixbuf *dest;
- gint srs, drs;
- guchar *s_pix, *d_pix;
- guchar *sp, *dp;
- guchar *ip, *spi, *dpi;
- gint i, j;
- gint tw = pr->tile_width;
-
- srs = gdk_pixbuf_get_rowstride(src);
- s_pix = gdk_pixbuf_get_pixels(src);
- spi = s_pix + (x * COLOR_BYTES);
-
- dest = pr_get_spare_tile(pr);
- drs = gdk_pixbuf_get_rowstride(dest);
- d_pix = gdk_pixbuf_get_pixels(dest);
- dpi = d_pix + (tw - 1) * COLOR_BYTES;
-
- for (i = y; i < y + h; i++)
- {
- sp = spi + (i * srs);
- ip = dpi - (i * COLOR_BYTES);
- for (j = x; j < x + w; j++)
- {
- dp = ip + (j * drs);
- memcpy(dp, sp, COLOR_BYTES);
- sp += COLOR_BYTES;
- }
- }
-
- pr->spare_tile = src;
- *tile = dest;
-}
-
-static void pr_tile_rotate_90_counter_clockwise(PixbufRenderer *pr, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
-{
- GdkPixbuf *src = *tile;
- GdkPixbuf *dest;
- gint srs, drs;
- guchar *s_pix, *d_pix;
- guchar *sp, *dp;
- guchar *ip, *spi, *dpi;
- gint i, j;
- gint th = pr->tile_height;
-
- srs = gdk_pixbuf_get_rowstride(src);
- s_pix = gdk_pixbuf_get_pixels(src);
- spi = s_pix + (x * COLOR_BYTES);
-
- dest = pr_get_spare_tile(pr);
- drs = gdk_pixbuf_get_rowstride(dest);
- d_pix = gdk_pixbuf_get_pixels(dest);
- dpi = d_pix + (th - 1) * drs;
-
- for (i = y; i < y + h; i++)
- {
- sp = spi + (i * srs);
- ip = dpi + (i * COLOR_BYTES);
- for (j = x; j < x + w; j++)
- {
- dp = ip - (j * drs);
- memcpy(dp, sp, COLOR_BYTES);
- sp += COLOR_BYTES;
- }
- }
-
- pr->spare_tile = src;
- *tile = dest;
-}
-
-static void pr_tile_mirror_only(PixbufRenderer *pr, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
-{
- GdkPixbuf *src = *tile;
- GdkPixbuf *dest;
- gint srs, drs;
- guchar *s_pix, *d_pix;
- guchar *sp, *dp;
- guchar *spi, *dpi;
- gint i, j;
-
- gint tw = pr->tile_width;
-
- srs = gdk_pixbuf_get_rowstride(src);
- s_pix = gdk_pixbuf_get_pixels(src);
- spi = s_pix + (x * COLOR_BYTES);
-
- dest = pr_get_spare_tile(pr);
- drs = gdk_pixbuf_get_rowstride(dest);
- d_pix = gdk_pixbuf_get_pixels(dest);
- dpi = d_pix + (tw - x - 1) * COLOR_BYTES;
-
- for (i = y; i < y + h; i++)
- {
- sp = spi + (i * srs);
- dp = dpi + (i * drs);
- for (j = 0; j < w; j++)
- {
- memcpy(dp, sp, COLOR_BYTES);
- sp += COLOR_BYTES;
- dp -= COLOR_BYTES;
- }
- }
-
- pr->spare_tile = src;
- *tile = dest;
-}
-
-static void pr_tile_mirror_and_flip(PixbufRenderer *pr, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
-{
- GdkPixbuf *src = *tile;
- GdkPixbuf *dest;
- gint srs, drs;
- guchar *s_pix, *d_pix;
- guchar *sp, *dp;
- guchar *spi, *dpi;
- gint i, j;
- gint tw = pr->tile_width;
- gint th = pr->tile_height;
-
- srs = gdk_pixbuf_get_rowstride(src);
- s_pix = gdk_pixbuf_get_pixels(src);
- spi = s_pix + (x * COLOR_BYTES);
-
- dest = pr_get_spare_tile(pr);
- drs = gdk_pixbuf_get_rowstride(dest);
- d_pix = gdk_pixbuf_get_pixels(dest);
- dpi = d_pix + (th - 1) * drs + (tw - 1) * COLOR_BYTES;
-
- for (i = y; i < y + h; i++)
- {
- sp = s_pix + (i * srs) + (x * COLOR_BYTES);
- dp = dpi - (i * drs) - (x * COLOR_BYTES);
- for (j = 0; j < w; j++)
- {
- memcpy(dp, sp, COLOR_BYTES);
- sp += COLOR_BYTES;
- dp -= COLOR_BYTES;
- }
- }
-
- pr->spare_tile = src;
- *tile = dest;
-}
-
-static void pr_tile_flip_only(PixbufRenderer *pr, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
-{
- GdkPixbuf *src = *tile;
- GdkPixbuf *dest;
- gint srs, drs;
- guchar *s_pix, *d_pix;
- guchar *sp, *dp;
- guchar *spi, *dpi;
- gint i;
- gint th = pr->tile_height;
-
- srs = gdk_pixbuf_get_rowstride(src);
- s_pix = gdk_pixbuf_get_pixels(src);
- spi = s_pix + (x * COLOR_BYTES);
-
- dest = pr_get_spare_tile(pr);
- drs = gdk_pixbuf_get_rowstride(dest);
- d_pix = gdk_pixbuf_get_pixels(dest);
- dpi = d_pix + (th - 1) * drs + (x * COLOR_BYTES);
-
- for (i = y; i < y + h; i++)
- {
- sp = spi + (i * srs);
- dp = dpi - (i * drs);
- memcpy(dp, sp, w * COLOR_BYTES);
- }
-
- pr->spare_tile = src;
- *tile = dest;
-}
-
-static void pr_tile_apply_orientation(PixbufRenderer *pr, GdkPixbuf **pixbuf, gint x, gint y, gint w, gint h)
-{
- switch (pr->orientation)
- {
- case EXIF_ORIENTATION_TOP_LEFT:
- /* normal -- nothing to do */
- break;
- case EXIF_ORIENTATION_TOP_RIGHT:
- /* mirrored */
- {
- pr_tile_mirror_only(pr, pixbuf, x, y, w, h);
- }
- break;
- case EXIF_ORIENTATION_BOTTOM_RIGHT:
- /* upside down */
- {
- pr_tile_mirror_and_flip(pr, pixbuf, x, y, w, h);
- }
- break;
- case EXIF_ORIENTATION_BOTTOM_LEFT:
- /* flipped */
- {
- pr_tile_flip_only(pr, pixbuf, x, y, w, h);
- }
- break;
- case EXIF_ORIENTATION_LEFT_TOP:
- {
- pr_tile_flip_only(pr, pixbuf, x, y, w, h);
- pr_tile_rotate_90_clockwise(pr, pixbuf, x, pr->tile_height - y - h, w, h);
- }
- break;
- case EXIF_ORIENTATION_RIGHT_TOP:
- /* rotated -90 (270) */
- {
- pr_tile_rotate_90_clockwise(pr, pixbuf, x, y, w, h);
- }
- break;
- case EXIF_ORIENTATION_RIGHT_BOTTOM:
- {
- pr_tile_flip_only(pr, pixbuf, x, y, w, h);
- pr_tile_rotate_90_counter_clockwise(pr, pixbuf, x, pr->tile_height - y - h, w, h);
- }
- break;
- case EXIF_ORIENTATION_LEFT_BOTTOM:
- /* rotated 90 */
- {
- pr_tile_rotate_90_counter_clockwise(pr, pixbuf, x, y, w, h);
- }
- break;
- default:
- /* The other values are out of range */
- break;
- }
-}
-
-
-static void pr_tile_render(PixbufRenderer *pr, ImageTile *it,
- gint x, gint y, gint w, gint h,
- gboolean new_data, gboolean fast)
-{
- GtkWidget *box;
- gboolean has_alpha;
- gboolean draw = FALSE;
-
- if (it->render_todo == TILE_RENDER_NONE && it->pixmap && !new_data) return;
-
- if (it->render_done != TILE_RENDER_ALL)
- {
- x = 0;
- y = 0;
- w = it->w;
- h = it->h;
- if (!fast) it->render_done = TILE_RENDER_ALL;
- }
- else if (it->render_todo != TILE_RENDER_AREA)
- {
- if (!fast) it->render_todo = TILE_RENDER_NONE;
- return;
- }
-
- if (!fast) it->render_todo = TILE_RENDER_NONE;
-
- if (new_data) it->blank = FALSE;
-
- pr_tile_prepare(pr, it);
- has_alpha = (pr->pixbuf && gdk_pixbuf_get_has_alpha(pr->pixbuf));
-
- box = GTK_WIDGET(pr);
-
- /* FIXME checker colors for alpha should be configurable,
- * also should be drawn for blank = TRUE
- */
-
- if (it->blank)
- {
- /* no data, do fast rect fill */
- gdk_draw_rectangle(it->pixmap, box->style->black_gc, TRUE,
- 0, 0, it->w, it->h);
- }
- else if (pr->source_tiles_enabled)
- {
- draw = pr_source_tile_render(pr, it, x, y, w, h, new_data, fast);
- }
- else if (pr->zoom == 1.0 || pr->scale == 1.0)
- {
-
- gdouble src_x, src_y;
- gint pb_x, pb_y;
- gint pb_w, pb_h;
- pr_tile_coords_map_orientation(pr, it->x, it->y,
- pr->image_width, pr->image_height,
- pr->tile_width, pr->tile_height,
- &src_x, &src_y);
- pr_tile_region_map_orientation(pr, x, y,
- pr->tile_width, pr->tile_height,
- w, h,
- &pb_x, &pb_y,
- &pb_w, &pb_h);
-
- if (has_alpha)
- {
- gdk_pixbuf_composite_color(pr->pixbuf, it->pixbuf, pb_x, pb_y, pb_w, pb_h,
- (gdouble) 0.0 - src_x,
- (gdouble) 0.0 - src_y,
- 1.0, 1.0, GDK_INTERP_NEAREST,
- 255, it->x + pb_x, it->y + pb_y,
- PR_ALPHA_CHECK_SIZE, PR_ALPHA_CHECK1, PR_ALPHA_CHECK2);
- pr_tile_apply_orientation(pr, &it->pixbuf, pb_x, pb_y, pb_w, pb_h);
- draw = TRUE;
- }
- else
- {
-
-
- if (pr->orientation == EXIF_ORIENTATION_TOP_LEFT && !(pr->func_post_process && !(pr->post_process_slow && fast)))
- {
- /* faster, simple, base orientation, no postprocessing */
- gdk_draw_pixbuf(it->pixmap,
-#if GTK_CHECK_VERSION(2,20,0)
- box->style->fg_gc[gtk_widget_get_state(box)],
-#else
- box->style->fg_gc[GTK_WIDGET_STATE(box)],
-#endif
- pr->pixbuf,
- it->x + x, it->y + y,
- x, y,
- w, h,
- pr->dither_quality, it->x + x, it->y + y);
- }
- else
- {
- gdk_pixbuf_copy_area(pr->pixbuf,
- src_x + pb_x, src_y + pb_y,
- pb_w, pb_h,
- it->pixbuf,
- pb_x, pb_y);
- pr_tile_apply_orientation(pr, &it->pixbuf, pb_x, pb_y, pb_w, pb_h);
- draw = TRUE;
- }
- }
- }
- else
- {
- gdouble scale_x, scale_y;
- gdouble src_x, src_y;
- gint pb_x, pb_y;
- gint pb_w, pb_h;
-
- if (pr->image_width == 0 || pr->image_height == 0) return;
-
- scale_x = (gdouble)pr->width / pr->image_width;
- scale_y = (gdouble)pr->height / pr->image_height;
-
- pr_tile_coords_map_orientation(pr, it->x, it->y,
- pr->image_width * scale_x, pr->image_height * scale_y,
- pr->tile_width, pr->tile_height,
- &src_x, &src_y);
- pr_tile_region_map_orientation(pr, x, y,
- pr->tile_width, pr->tile_height,
- w, h,
- &pb_x, &pb_y,
- &pb_w, &pb_h);
- switch (pr->orientation)
- {
- gdouble tmp;
- case EXIF_ORIENTATION_LEFT_TOP:
- case EXIF_ORIENTATION_RIGHT_TOP:
- case EXIF_ORIENTATION_RIGHT_BOTTOM:
- case EXIF_ORIENTATION_LEFT_BOTTOM:
- tmp = scale_x;
- scale_x = scale_y;
- scale_y = tmp;
- break;
- default:
- /* nothing to do */
- break;
- }
-
- /* HACK: The pixbuf scalers get kinda buggy(crash) with extremely
- * small sizes for anything but GDK_INTERP_NEAREST
- */
- if (pr->width < PR_MIN_SCALE_SIZE || pr->height < PR_MIN_SCALE_SIZE) fast = TRUE;
-
- if (!has_alpha)
- {
- gdk_pixbuf_scale(pr->pixbuf, it->pixbuf, pb_x, pb_y, pb_w, pb_h,
- (gdouble) 0.0 - src_x,
- (gdouble) 0.0 - src_y,
- scale_x, scale_y,
- (fast) ? GDK_INTERP_NEAREST : pr->zoom_quality);
- }
- else
- {
- gdk_pixbuf_composite_color(pr->pixbuf, it->pixbuf, pb_x, pb_y, pb_w, pb_h,
- (gdouble) 0.0 - src_x,
- (gdouble) 0.0 - src_y,
- scale_x, scale_y,
- (fast) ? GDK_INTERP_NEAREST : pr->zoom_quality,
- 255, it->x + pb_x, it->y + pb_y,
- PR_ALPHA_CHECK_SIZE, PR_ALPHA_CHECK1, PR_ALPHA_CHECK2);
- }
- pr_tile_apply_orientation(pr, &it->pixbuf, pb_x, pb_y, pb_w, pb_h);
- draw = TRUE;
- }
-
- if (draw && it->pixbuf && !it->blank)
- {
-
- if (pr->func_post_process && !(pr->post_process_slow && fast))
- pr->func_post_process(pr, &it->pixbuf, x, y, w, h, pr->post_process_user_data);
-
- gdk_draw_pixbuf(it->pixmap,
-#if GTK_CHECK_VERSION(2,20,0)
- box->style->fg_gc[gtk_widget_get_state(box)],
-#else
- box->style->fg_gc[GTK_WIDGET_STATE(box)],
-#endif
- it->pixbuf,
- x, y,
- x, y,
- w, h,
- pr->dither_quality, it->x + x, it->y + y);
- }
-
-#if 0
- /* enable this line for debugging the edges of tiles */
- gdk_draw_rectangle(it->pixmap, box->style->white_gc,
- FALSE, 0, 0, it->w, it->h);
- gdk_draw_rectangle(it->pixmap, box->style->white_gc,
- FALSE, x, y, w, h);
-#endif
-}
-
-
-static void pr_tile_expose(PixbufRenderer *pr, ImageTile *it,
- gint x, gint y, gint w, gint h,
- gboolean new_data, gboolean fast)
-{
- GtkWidget *box;
-
- pr_tile_render(pr, it, x, y, w, h, new_data, fast);
-
- box = GTK_WIDGET(pr);
-
-#if GTK_CHECK_VERSION(2,20,0)
- gdk_draw_drawable(box->window, box->style->fg_gc[gtk_widget_get_state(box)],
-#else
- gdk_draw_drawable(box->window, box->style->fg_gc[GTK_WIDGET_STATE(box)],
-#endif
- it->pixmap, x, y,
- pr->x_offset + (it->x - pr->x_scroll) + x, pr->y_offset + (it->y - pr->y_scroll) + y, w, h);
-
- if (pr->overlay_list)
- {
- pr_overlay_draw(pr, pr->x_offset + (it->x - pr->x_scroll) + x,
- pr->y_offset + (it->y - pr->y_scroll) + y,
- w, h,
- it);
- }
-}
-
-
-static gboolean pr_tile_is_visible(PixbufRenderer *pr, ImageTile *it)
-{
- return (it->x + it->w >= pr->x_scroll && it->x < pr->x_scroll + pr->vis_width &&
- it->y + it->h >= pr->y_scroll && it->y < pr->y_scroll + pr->vis_height);
-}
-
-/*
- *-------------------------------------------------------------------
- * draw queue
- *-------------------------------------------------------------------
- */
-
-static gint pr_get_queued_area(GList *work)
-{
- gint area = 0;
-
- while (work)
- {
- QueueData *qd = work->data;
- area += qd->w * qd->h;
- work = work->next;
- }
- return area;
-}
-
-
-static gboolean pr_queue_schedule_next_draw(PixbufRenderer *pr, gboolean force_set)
-{
- gfloat percent;
- gint visible_area = pr->vis_width * pr->vis_height;
-
- if (!pr->loading)
- {
- /* 2pass prio */
- DEBUG_2("redraw priority: 2pass");
- pr->draw_idle_id = g_idle_add_full(G_PRIORITY_DEFAULT_IDLE, pr_queue_draw_idle_cb, pr, NULL);
- return FALSE;
- }
-
- if (visible_area == 0)
- {
- /* not known yet */
- percent = 100.0;
- }
- else
- {
- percent = 100.0 * pr_get_queued_area(pr->draw_queue) / visible_area;
- }
-
- if (percent > 10.0)
- {
- /* we have enough data for starting intensive redrawing */
- DEBUG_2("redraw priority: high %.2f %%", percent);
- pr->draw_idle_id = g_idle_add_full(GDK_PRIORITY_REDRAW, pr_queue_draw_idle_cb, pr, NULL);
- return FALSE;
- }
-
- if (percent < 1.0 || force_set)
- {
- /* queue is (almost) empty, wait 50 ms*/
- DEBUG_2("redraw priority: wait %.2f %%", percent);
- pr->draw_idle_id = g_timeout_add_full(G_PRIORITY_DEFAULT_IDLE, 50, pr_queue_draw_idle_cb, pr, NULL);
- return FALSE;
- }
-
- /* keep the same priority as before */
- DEBUG_2("redraw priority: no change %.2f %%", percent);
- return TRUE;
-}
-
-
-static gboolean pr_queue_draw_idle_cb(gpointer data)
-{
- PixbufRenderer *pr = data;
- QueueData *qd;
- gboolean fast;
-
-
- if ((!pr->pixbuf && !pr->source_tiles_enabled) ||
- (!pr->draw_queue && !pr->draw_queue_2pass) ||
- !pr->draw_idle_id)
- {
- pr_render_complete_signal(pr);
-
- pr->draw_idle_id = 0;
- return FALSE;
- }
-
- if (pr->draw_queue)
- {
- qd = pr->draw_queue->data;
- fast = (pr->zoom_2pass && ((pr->zoom_quality != GDK_INTERP_NEAREST && pr->scale != 1.0) || pr->post_process_slow));
- }
- else
- {
- if (pr->loading)
- {
- /* still loading, wait till done (also drops the higher priority) */
-
- return pr_queue_schedule_next_draw(pr, FALSE);
- }
-
- qd = pr->draw_queue_2pass->data;
- fast = FALSE;
- }
-
-#if GTK_CHECK_VERSION(2,20,0)
- if (gtk_widget_get_realized(pr))
-#else
- if (GTK_WIDGET_REALIZED(pr))
-#endif
- {
- if (pr_tile_is_visible(pr, qd->it))
- {
- pr_tile_expose(pr, qd->it, qd->x, qd->y, qd->w, qd->h, qd->new_data, fast);
- }
- else if (qd->new_data)
- {
- /* if new pixel data, and we already have a pixmap, update the tile */
- qd->it->blank = FALSE;
- if (qd->it->pixmap && qd->it->render_done == TILE_RENDER_ALL)
- {
- pr_tile_render(pr, qd->it, qd->x, qd->y, qd->w, qd->h, qd->new_data, fast);
- }
- }
- }
-
- if (pr->draw_queue)
- {
- qd->it->qd = NULL;
- pr->draw_queue = g_list_remove(pr->draw_queue, qd);
- if (fast)
- {
- if (qd->it->qd2)
- {
- pr_queue_merge(qd->it->qd2, qd);
- g_free(qd);
- }
- else
- {
- qd->it->qd2 = qd;
- pr->draw_queue_2pass = g_list_append(pr->draw_queue_2pass, qd);
- }
- }
- else
- {
- g_free(qd);
- }
- }
- else
- {
- qd->it->qd2 = NULL;
- pr->draw_queue_2pass = g_list_remove(pr->draw_queue_2pass, qd);
- g_free(qd);
- }
-
- if (!pr->draw_queue && !pr->draw_queue_2pass)
- {
- pr_render_complete_signal(pr);
-
- pr->draw_idle_id = 0;
- return FALSE;
- }
-
- return pr_queue_schedule_next_draw(pr, FALSE);
-}
-
-static void pr_queue_list_free(GList *list)
-{
- GList *work;
-
- work = list;
- while (work)
- {
- QueueData *qd;
-
- qd = work->data;
- work = work->next;
-
- qd->it->qd = NULL;
- qd->it->qd2 = NULL;
- g_free(qd);
- }
-
- g_list_free(list);
-}
-
-static void pr_queue_clear(PixbufRenderer *pr)
-{
- pr_queue_list_free(pr->draw_queue);
- pr->draw_queue = NULL;
-
- pr_queue_list_free(pr->draw_queue_2pass);
- pr->draw_queue_2pass = NULL;
-
- if (pr->draw_idle_id)
- {
- g_source_remove(pr->draw_idle_id);
- pr->draw_idle_id = 0;
- }
-}
-
-static void pr_queue_merge(QueueData *parent, QueueData *qd)
-{
- if (parent->x + parent->w < qd->x + qd->w)
- {
- parent->w += (qd->x + qd->w) - (parent->x + parent->w);
- }
- if (parent->x > qd->x)
- {
- parent->w += parent->x - qd->x;
- parent->x = qd->x;
- }
-
- if (parent->y + parent->h < qd->y + qd->h)
- {
- parent->h += (qd->y + qd->h) - (parent->y + parent->h);
- }
- if (parent->y > qd->y)
- {
- parent->h += parent->y - qd->y;
- parent->y = qd->y;
- }
-
- parent->new_data |= qd->new_data;
-}
-
-static gboolean pr_clamp_to_visible(PixbufRenderer *pr, gint *x, gint *y, gint *w, gint *h)
-{
- gint nx, ny;
- gint nw, nh;
- gint vx, vy;
- gint vw, vh;
-
- vw = pr->vis_width;
- vh = pr->vis_height;
-
- vx = pr->x_scroll;
- vy = pr->y_scroll;
-
- if (*x + *w < vx || *x > vx + vw || *y + *h < vy || *y > vy + vh) return FALSE;
-
- /* now clamp it */
- nx = CLAMP(*x, vx, vx + vw);
- nw = CLAMP(*w - (nx - *x), 1, vw);
-
- ny = CLAMP(*y, vy, vy + vh);
- nh = CLAMP(*h - (ny - *y), 1, vh);
-
- *x = nx;
- *y = ny;
- *w = nw;
- *h = nh;
-
- return TRUE;
-}
-
-static gboolean pr_queue_to_tiles(PixbufRenderer *pr, gint x, gint y, gint w, gint h,
- gboolean clamp, ImageTileRenderType render,
- gboolean new_data, gboolean only_existing)
-{
- gint i, j;
- gint x1, x2;
- gint y1, y2;
-
- if (clamp && !pr_clamp_to_visible(pr, &x, &y, &w, &h)) return FALSE;
-
- x1 = ROUND_DOWN(x, pr->tile_width);
- x2 = ROUND_UP(x + w, pr->tile_width);
-
- y1 = ROUND_DOWN(y, pr->tile_height);
- y2 = ROUND_UP(y + h, pr->tile_height);
-
- for (j = y1; j <= y2; j += pr->tile_height)
- {
- for (i = x1; i <= x2; i += pr->tile_width)
- {
- ImageTile *it;
-
- it = pr_tile_get(pr, i, j,
- (only_existing &&
- (i + pr->tile_width < pr->x_scroll ||
- i > pr->x_scroll + pr->vis_width ||
- j + pr->tile_height < pr->y_scroll ||
- j > pr->y_scroll + pr->vis_height)));
- if (it)
- {
- QueueData *qd;
-
- if ((render == TILE_RENDER_ALL && it->render_done != TILE_RENDER_ALL) ||
- (render == TILE_RENDER_AREA && it->render_todo != TILE_RENDER_ALL))
- {
- it->render_todo = render;
- }
-
- qd = g_new(QueueData, 1);
- qd->it = it;
- qd->new_data = new_data;
-
- if (i < x)
- {
- qd->x = x - i;
- }
- else
- {
- qd->x = 0;
- }
- qd->w = x + w - i - qd->x;
- if (qd->x + qd->w > pr->tile_width) qd->w = pr->tile_width - qd->x;
-
- if (j < y)
- {
- qd->y = y - j;
- }
- else
- {
- qd->y = 0;
- }
- qd->h = y + h - j - qd->y;
- if (qd->y + qd->h > pr->tile_height) qd->h = pr->tile_height - qd->y;
-
- if (qd->w < 1 || qd->h < 1)
- {
- g_free(qd);
- }
- else if (it->qd)
- {
- pr_queue_merge(it->qd, qd);
- g_free(qd);
- }
- else
- {
- it->qd = qd;
- pr->draw_queue = g_list_append(pr->draw_queue, qd);
- }
- }
+ gdouble zoom = pr->zoom;
+
+ if (increment == 0.0) return;
+
+ if (zoom == 0.0)
+ {
+ if (pr->scale < 1.0)
+ {
+ zoom = 0.0 - 1.0 / pr->scale;
+ }
+ else
+ {
+ zoom = pr->scale;
}
}
- return TRUE;
-}
-
-static void pr_queue(PixbufRenderer *pr, gint x, gint y, gint w, gint h,
- gboolean clamp, ImageTileRenderType render,
- gboolean new_data, gboolean only_existing)
-{
- gint nx, ny;
-
- nx = CLAMP(x, 0, pr->width - 1);
- ny = CLAMP(y, 0, pr->height - 1);
- w -= (nx - x);
- h -= (ny - y);
- w = CLAMP(w, 0, pr->width - nx);
- h = CLAMP(h, 0, pr->height - ny);
- if (w < 1 || h < 1) return;
-
- if (pr_queue_to_tiles(pr, nx, ny, w, h, clamp, render, new_data, only_existing) &&
- ((!pr->draw_queue && !pr->draw_queue_2pass) || !pr->draw_idle_id))
+ if (increment < 0.0)
{
- if (pr->draw_idle_id)
+ if (zoom >= 1.0 && zoom + increment < 1.0)
+ {
+ zoom = zoom + increment - 2.0;
+ }
+ else
{
- g_source_remove(pr->draw_idle_id);
- pr->draw_idle_id = 0;
+ zoom = zoom + increment;
+ }
+ }
+ else
+ {
+ if (zoom <= -1.0 && zoom + increment > -1.0)
+ {
+ zoom = zoom + increment + 2.0;
+ }
+ else
+ {
+ zoom = zoom + increment;
}
- pr_queue_schedule_next_draw(pr, TRUE);
}
-}
-static void pr_redraw(PixbufRenderer *pr, gboolean new_data)
-{
- pr_queue_clear(pr);
- pr_queue(pr, 0, 0, pr->width, pr->height, TRUE, TILE_RENDER_ALL, new_data, FALSE);
+ pr_zoom_sync(pr, zoom, flags, x, y);
}
+
/*
*-------------------------------------------------------------------
* signal emission
g_signal_emit(pr, signals[SIGNAL_SCROLL_NOTIFY], 0);
}
-static void pr_render_complete_signal(PixbufRenderer *pr)
+void pr_render_complete_signal(PixbufRenderer *pr)
{
if (!pr->complete)
{
*-------------------------------------------------------------------
*/
+
+void pr_tile_coords_map_orientation(gint orientation,
+ gdouble tile_x, gdouble tile_y, /* coordinates of the tile */
+ gdouble image_w, gdouble image_h,
+ gdouble tile_w, gdouble tile_h,
+ gdouble *res_x, gdouble *res_y)
+{
+ *res_x = tile_x;
+ *res_y = tile_y;
+ switch (orientation)
+ {
+ case EXIF_ORIENTATION_TOP_LEFT:
+ /* normal -- nothing to do */
+ break;
+ case EXIF_ORIENTATION_TOP_RIGHT:
+ /* mirrored */
+ *res_x = image_w - tile_x - tile_w;
+ break;
+ case EXIF_ORIENTATION_BOTTOM_RIGHT:
+ /* upside down */
+ *res_x = image_w - tile_x - tile_w;
+ *res_y = image_h - tile_y - tile_h;
+ break;
+ case EXIF_ORIENTATION_BOTTOM_LEFT:
+ /* flipped */
+ *res_y = image_h - tile_y - tile_h;
+ break;
+ case EXIF_ORIENTATION_LEFT_TOP:
+ *res_x = tile_y;
+ *res_y = tile_x;
+ break;
+ case EXIF_ORIENTATION_RIGHT_TOP:
+ /* rotated -90 (270) */
+ *res_x = tile_y;
+ *res_y = image_w - tile_x - tile_w;
+ break;
+ case EXIF_ORIENTATION_RIGHT_BOTTOM:
+ *res_x = image_h - tile_y - tile_h;
+ *res_y = image_w - tile_x - tile_w;
+ break;
+ case EXIF_ORIENTATION_LEFT_BOTTOM:
+ /* rotated 90 */
+ *res_x = image_h - tile_y - tile_h;
+ *res_y = tile_x;
+ break;
+ default:
+ /* The other values are out of range */
+ break;
+ }
+// log_printf("tile coord y:%f, ih:%d, th:%f ry:%f\n", tile_y, image_h, tile_h, *res_x);
+}
+
+void pr_tile_region_map_orientation(gint orientation,
+ gint area_x, gint area_y, /* coordinates of the area inside tile */
+ gint tile_w, gint tile_h,
+ gint area_w, gint area_h,
+ gint *res_x, gint *res_y,
+ gint *res_w, gint *res_h)
+{
+ *res_x = area_x;
+ *res_y = area_y;
+ *res_w = area_w;
+ *res_h = area_h;
+
+ switch (orientation)
+ {
+ case EXIF_ORIENTATION_TOP_LEFT:
+ /* normal -- nothing to do */
+ break;
+ case EXIF_ORIENTATION_TOP_RIGHT:
+ /* mirrored */
+ *res_x = tile_w - area_x - area_w;
+ break;
+ case EXIF_ORIENTATION_BOTTOM_RIGHT:
+ /* upside down */
+ *res_x = tile_w - area_x - area_w;
+ *res_y = tile_h - area_y - area_h;
+ break;
+ case EXIF_ORIENTATION_BOTTOM_LEFT:
+ /* flipped */
+ *res_y = tile_h - area_y - area_h;
+ break;
+ case EXIF_ORIENTATION_LEFT_TOP:
+ *res_x = area_y;
+ *res_y = area_x;
+ *res_w = area_h;
+ *res_h = area_w;
+ break;
+ case EXIF_ORIENTATION_RIGHT_TOP:
+ /* rotated -90 (270) */
+ *res_x = area_y;
+ *res_y = tile_w - area_x - area_w;
+ *res_w = area_h;
+ *res_h = area_w;
+ break;
+ case EXIF_ORIENTATION_RIGHT_BOTTOM:
+ *res_x = tile_h - area_y - area_h;
+ *res_y = tile_w - area_x - area_w;
+ *res_w = area_h;
+ *res_h = area_w;
+ break;
+ case EXIF_ORIENTATION_LEFT_BOTTOM:
+ /* rotated 90 */
+ *res_x = tile_h - area_y - area_h;
+ *res_y = area_x;
+ *res_w = area_h;
+ *res_h = area_w;
+ break;
+ default:
+ /* The other values are out of range */
+ break;
+ }
+// log_printf("inside y:%d, th:%d, ah:%d ry:%d\n", area_y, tile_h, area_h, *res_x);
+}
+
+void pr_coords_map_orientation_reverse(gint orientation,
+ gint area_x, gint area_y,
+ gint tile_w, gint tile_h,
+ gint area_w, gint area_h,
+ gint *res_x, gint *res_y,
+ gint *res_w, gint *res_h)
+{
+ *res_x = area_x;
+ *res_y = area_y;
+ *res_w = area_w;
+ *res_h = area_h;
+
+ switch (orientation)
+ {
+ case EXIF_ORIENTATION_TOP_LEFT:
+ /* normal -- nothing to do */
+ break;
+ case EXIF_ORIENTATION_TOP_RIGHT:
+ /* mirrored */
+ *res_x = tile_w - area_x - area_w;
+ break;
+ case EXIF_ORIENTATION_BOTTOM_RIGHT:
+ /* upside down */
+ *res_x = tile_w - area_x - area_w;
+ *res_y = tile_h - area_y - area_h;
+ break;
+ case EXIF_ORIENTATION_BOTTOM_LEFT:
+ /* flipped */
+ *res_y = tile_h - area_y - area_h;
+ break;
+ case EXIF_ORIENTATION_LEFT_TOP:
+ *res_x = area_y;
+ *res_y = area_x;
+ *res_w = area_h;
+ *res_h = area_w;
+ break;
+ case EXIF_ORIENTATION_RIGHT_TOP:
+ /* rotated -90 (270) */
+ *res_x = tile_w - area_y - area_h;
+ *res_y = area_x;
+ *res_w = area_h;
+ *res_h = area_w;
+ break;
+ case EXIF_ORIENTATION_RIGHT_BOTTOM:
+ *res_x = tile_w - area_y - area_h;
+ *res_y = tile_h - area_x - area_w;
+ *res_w = area_h;
+ *res_h = area_w;
+ break;
+ case EXIF_ORIENTATION_LEFT_BOTTOM:
+ /* rotated 90 */
+ *res_x = area_y;
+ *res_y = tile_h - area_x - area_w;
+ *res_w = area_h;
+ *res_h = area_w;
+ break;
+ default:
+ /* The other values are out of range */
+ break;
+ }
+}
+
+
+
static void pixbuf_renderer_sync_scroll_center(PixbufRenderer *pr)
{
gint src_x, src_y;
if (invalidate || invalid)
{
- pr_tile_invalidate_all(pr);
+ pr->renderer->invalidate_all(pr->renderer);
if (!lazy) pr_redraw(pr, TRUE);
}
if (redrawn) *redrawn = (invalidate || invalid);
if (lazy)
{
- pr_queue_clear(pr);
+ pr->renderer->queue_clear(pr->renderer);
}
else
{
pr_size_clamp(pr);
pr_scroll_clamp(pr);
- pr_overlay_update_sizes(pr);
+ pr->renderer->overlay_update_sizes(pr->renderer);
/* ensure scroller remains visible */
if (pr->scroller_overlay != -1)
{
gint x, y;
- pr_border_draw(pr, area->x, area->y, area->width, area->height);
+ pr->renderer->border_draw(pr->renderer, area->x, area->y, area->width, area->height);
x = MAX(0, (gint)area->x - pr->x_offset + pr->x_scroll);
y = MAX(0, (gint)area->y - pr->y_offset + pr->y_scroll);
- pr_queue(pr, x, y,
- MIN((gint)area->width, pr->width - x),
- MIN((gint)area->height, pr->height - y),
- FALSE, TILE_RENDER_ALL, FALSE, FALSE);
+ pr->renderer->queue(pr->renderer,
+ x, y,
+ MIN((gint)area->width, pr->width - x),
+ MIN((gint)area->height, pr->height - y),
+ FALSE, TILE_RENDER_ALL, FALSE, FALSE);
}
/*
{
gint old_x, old_y;
gint x_off, y_off;
- gint w, h;
g_return_if_fail(IS_PIXBUF_RENDERER(pr));
x_off = pr->x_scroll - old_x;
y_off = pr->y_scroll - old_y;
-
- w = pr->vis_width - abs(x_off);
- h = pr->vis_height - abs(y_off);
-
- if (w < 1 || h < 1)
- {
- /* scrolled completely to new material */
- pr_queue(pr, 0, 0, pr->width, pr->height, TRUE, TILE_RENDER_ALL, FALSE, FALSE);
- return;
- }
- else
- {
- gint x1, y1;
- gint x2, y2;
- GtkWidget *box;
- GdkGC *gc;
- GdkEvent *event;
-
- if (x_off < 0)
- {
- x1 = abs(x_off);
- x2 = 0;
- }
- else
- {
- x1 = 0;
- x2 = abs(x_off);
- }
-
- if (y_off < 0)
- {
- y1 = abs(y_off);
- y2 = 0;
- }
- else
- {
- y1 = 0;
- y2 = abs(y_off);
- }
-
- box = GTK_WIDGET(pr);
-
- gc = gdk_gc_new(box->window);
- gdk_gc_set_exposures(gc, TRUE);
- gdk_draw_drawable(box->window, gc,
- box->window,
- x2 + pr->x_offset, y2 + pr->y_offset,
- x1 + pr->x_offset, y1 + pr->y_offset, w, h);
- g_object_unref(gc);
-
- if (pr->overlay_list)
- {
- pr_overlay_queue_all(pr);
- }
-
- w = pr->vis_width - w;
- h = pr->vis_height - h;
-
- if (w > 0)
- {
- pr_queue(pr,
- x_off > 0 ? pr->x_scroll + (pr->vis_width - w) : pr->x_scroll, pr->y_scroll,
- w, pr->vis_height, TRUE, TILE_RENDER_ALL, FALSE, FALSE);
- }
- if (h > 0)
- {
- /* FIXME, to optimize this, remove overlap */
- pr_queue(pr,
- pr->x_scroll, y_off > 0 ? pr->y_scroll + (pr->vis_height - h) : pr->y_scroll,
- pr->vis_width, h, TRUE, TILE_RENDER_ALL, FALSE, FALSE);
- }
-
- /* process exposures here, "expose_event" seems to miss a few with obstructed windows */
-#if ! GTK_CHECK_VERSION(2,18,0)
- while ((event = gdk_event_get_graphics_expose(box->window)) != NULL)
- {
- pixbuf_renderer_paint(pr, &event->expose.area);
-
- if (event->expose.count == 0)
- {
- gdk_event_free(event);
- break;
- }
- gdk_event_free(event);
- }
-#endif
- }
+
+ pr->renderer->scroll(pr->renderer, x_off, y_off);
}
void pixbuf_renderer_scroll_to_point(PixbufRenderer *pr, gint x, gint y,
}
#if GTK_CHECK_VERSION(2,20,0)
- if (gdk_pointer_is_grabbed() && gtk_widget_has_grab(pr))
+ if (gdk_pointer_is_grabbed() && gtk_widget_has_grab(GTK_WIDGET(pr)))
#else
if (gdk_pointer_is_grabbed() && GTK_WIDGET_HAS_GRAB(pr))
#endif
G_CALLBACK(pr_mouse_release_cb), pr);
g_signal_connect(G_OBJECT(pr), "leave_notify_event",
G_CALLBACK(pr_mouse_leave_cb), pr);
- g_signal_connect(G_OBJECT(pr), "hierarchy-changed",
- G_CALLBACK(pr_hierarchy_changed_cb), pr);
g_signal_connect(G_OBJECT(pr), "leave_notify_event",
G_CALLBACK(pr_leave_notify_cb), pr);
#endif
{
gdk_window_clear(box->window);
- pr_overlay_draw(pr, 0, 0, pr->window_width, pr->window_height, NULL);
+ pr->renderer->overlay_draw(pr->renderer, 0, 0, pr->window_width, pr->window_height);
}
pr_update_signal(pr);
pr->scroll_reset = scroll_reset;
pixbuf_renderer_set_pixbuf(source, NULL, source->zoom);
- pr_queue_clear(source);
- pr_tile_free_all(source);
+// pr_queue_clear(source);
+// pr_tile_free_all(source);
}
void pixbuf_renderer_area_changed(PixbufRenderer *pr, gint src_x, gint src_y, gint src_w, gint src_h)
g_return_if_fail(IS_PIXBUF_RENDERER(pr));
- pr_coords_map_orientation_reverse(pr,
+ pr_coords_map_orientation_reverse(pr->orientation,
src_x, src_y,
pr->image_width, pr->image_height,
src_w, src_h,
x2 = (gint)ceil((gdouble)(x + width) * pr->scale);
y2 = (gint)ceil((gdouble)(y + height) * pr->scale);
- pr_queue(pr, x1, y1, x2 - x1, y2 - y1, FALSE, TILE_RENDER_AREA, TRUE, TRUE);
+ pr->renderer->queue(pr->renderer, x1, y1, x2 - x1, y2 - y1, FALSE, TILE_RENDER_AREA, TRUE, TRUE);
}
void pixbuf_renderer_zoom_adjust(PixbufRenderer *pr, gdouble increment)
if (!pb) return FALSE;
- pr_tile_region_map_orientation(pr,
+ pr_tile_region_map_orientation(pr->orientation,
x_pixel, y_pixel,
pr->image_width, pr->image_height,
1, 1, /*single pixel */
--- /dev/null
+/*
+ * Geeqie
+ * (C) 2006 John Ellis
+ * Copyright (C) 2008 - 2010 The Geeqie Team
+ *
+ * Author: John Ellis
+ *
+ * This software is released under the GNU General Public License (GNU GPL).
+ * Please read the included file COPYING for more information.
+ * This software comes with no warranty of any kind, use at your own risk!
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+
+#include "main.h"
+#include "pixbuf-renderer.h"
+#include "renderer-tiles.h"
+
+#include "intl.h"
+#include "layout.h"
+
+#include <gtk/gtk.h>
+
+
+/* comment this out if not using this from within Geeqie
+ * defining GQ_BUILD does these things:
+ * - Sets the shift-click scroller pixbuf to a nice icon instead of a black box
+ */
+#define GQ_BUILD 1
+
+#ifdef GQ_BUILD
+#include "main.h"
+#include "pixbuf_util.h"
+#include "exif.h"
+#else
+typedef enum {
+ EXIF_ORIENTATION_UNKNOWN = 0,
+ EXIF_ORIENTATION_TOP_LEFT = 1,
+ EXIF_ORIENTATION_TOP_RIGHT = 2,
+ EXIF_ORIENTATION_BOTTOM_RIGHT = 3,
+ EXIF_ORIENTATION_BOTTOM_LEFT = 4,
+ EXIF_ORIENTATION_LEFT_TOP = 5,
+ EXIF_ORIENTATION_RIGHT_TOP = 6,
+ EXIF_ORIENTATION_RIGHT_BOTTOM = 7,
+ EXIF_ORIENTATION_LEFT_BOTTOM = 8
+} ExifOrientationType;
+#endif
+
+
+/* size to use when breaking up image pane for rendering */
+#define PR_TILE_SIZE 128
+
+typedef struct _ImageTile ImageTile;
+typedef struct _QueueData QueueData;
+
+struct _ImageTile
+{
+ GdkPixmap *pixmap; /* off screen buffer */
+ GdkPixbuf *pixbuf; /* pixbuf area for zooming */
+ gint x; /* x offset into image */
+ gint y; /* y offset into image */
+ gint w; /* width that is visible (may be less if at edge of image) */
+ gint h; /* height '' */
+
+ gboolean blank;
+
+/* render_todo: (explanation)
+ NONE do nothing
+ AREA render area of tile, usually only used when loading an image
+ note: will jump to an ALL if render_done is not ALL.
+ ALL render entire tile, if never done before w/ ALL, for expose events *only*
+*/
+
+ ImageRenderType render_todo; /* what to do (see above) */
+ ImageRenderType render_done; /* highest that has been done before on tile */
+
+ QueueData *qd;
+ QueueData *qd2;
+
+ guint size; /* est. memory used by pixmap and pixbuf */
+};
+
+struct _QueueData
+{
+ ImageTile *it;
+ gint x;
+ gint y;
+ gint w;
+ gint h;
+ gboolean new_data;
+};
+
+typedef struct _OverlayData OverlayData;
+struct _OverlayData
+{
+ gint id;
+
+ GdkPixbuf *pixbuf;
+ GdkWindow *window;
+
+ gint x;
+ gint y;
+
+ OverlayRendererFlags flags;
+};
+
+typedef struct _RendererTiles RendererTiles;
+
+struct _RendererTiles
+{
+ RendererFuncs f;
+ PixbufRenderer *pr;
+
+ gint tile_cache_max; /* max mb to use for offscreen buffer */
+
+ gint tile_width;
+ gint tile_height;
+ gint tile_cols; /* count of tile columns */
+ GList *tiles; /* list of buffer tiles */
+ gint tile_cache_size; /* allocated size of pixmaps/pixbufs */
+ GList *draw_queue; /* list of areas to redraw */
+ GList *draw_queue_2pass;/* list when 2 pass is enabled */
+
+ GList *overlay_list;
+ GdkPixmap *overlay_buffer;
+
+ guint draw_idle_id; /* event source id */
+
+ GdkPixbuf *spare_tile;
+
+};
+
+
+static void rt_border_draw(RendererTiles *rt, gint x, gint y, gint w, gint h);
+static void rt_overlay_draw(RendererTiles *rt, gint x, gint y, gint w, gint h, ImageTile *it);
+
+
+static void rt_tile_free_all(RendererTiles *rt);
+static void rt_tile_invalidate_region(RendererTiles *rt, gint x, gint y, gint w, gint h);
+static gboolean rt_tile_is_visible(RendererTiles *rt, ImageTile *it);
+static void rt_queue_clear(RendererTiles *rt);
+static void rt_queue_merge(QueueData *parent, QueueData *qd);
+static void rt_queue(RendererTiles *rt, gint x, gint y, gint w, gint h,
+ gint clamp, ImageRenderType render, gboolean new_data, gboolean only_existing);
+
+static void rt_redraw(RendererTiles *rt, gboolean new_data);
+
+
+static void rt_signals_connect(RendererTiles *rt);
+static void rt_size_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data);
+static void rt_hierarchy_changed_cb(GtkWidget *widget, GtkWidget *previous_toplevel, gpointer data);
+static void pixbuf_renderer_paint(RendererTiles *rt, GdkRectangle *area);
+static gint rt_queue_draw_idle_cb(gpointer data);
+
+
+/*
+ *-------------------------------------------------------------------
+ * borders
+ *-------------------------------------------------------------------
+ */
+
+static void rt_border_draw(RendererTiles *rt, gint x, gint y, gint w, gint h)
+{
+ PixbufRenderer *pr = rt->pr;
+ GtkWidget *box;
+ gint rx, ry, rw, rh;
+
+ box = GTK_WIDGET(pr);
+
+ if (!box->window) return;
+
+ if (!pr->pixbuf && !pr->source_tiles_enabled)
+ {
+ if (pr_clip_region(x, y, w, h,
+ 0, 0,
+ pr->window_width, pr->window_height,
+ &rx, &ry, &rw, &rh))
+ {
+ gdk_window_clear_area(box->window, rx, ry, rw, rh);
+ rt_overlay_draw(rt, rx, ry, rw, rh, NULL);
+ }
+ return;
+ }
+
+ if (pr->vis_width < pr->window_width)
+ {
+ if (pr->x_offset > 0 &&
+ pr_clip_region(x, y, w, h,
+ 0, 0,
+ pr->x_offset, pr->window_height,
+ &rx, &ry, &rw, &rh))
+ {
+ gdk_window_clear_area(box->window, rx, ry, rw, rh);
+ rt_overlay_draw(rt, rx, ry, rw, rh, NULL);
+ }
+ if (pr->window_width - pr->vis_width - pr->x_offset > 0 &&
+ pr_clip_region(x, y, w, h,
+ pr->x_offset + pr->vis_width, 0,
+ pr->window_width - pr->vis_width - pr->x_offset, pr->window_height,
+ &rx, &ry, &rw, &rh))
+ {
+ gdk_window_clear_area(box->window, rx, ry, rw, rh);
+ rt_overlay_draw(rt, rx, ry, rw, rh, NULL);
+ }
+ }
+ if (pr->vis_height < pr->window_height)
+ {
+ if (pr->y_offset > 0 &&
+ pr_clip_region(x, y, w, h,
+ pr->x_offset, 0,
+ pr->vis_width, pr->y_offset,
+ &rx, &ry, &rw, &rh))
+ {
+ gdk_window_clear_area(box->window, rx, ry, rw, rh);
+ rt_overlay_draw(rt, rx, ry, rw, rh, NULL);
+ }
+ if (pr->window_height - pr->vis_height - pr->y_offset > 0 &&
+ pr_clip_region(x, y, w, h,
+ pr->x_offset, pr->y_offset + pr->vis_height,
+ pr->vis_width, pr->window_height - pr->vis_height - pr->y_offset,
+ &rx, &ry, &rw, &rh))
+ {
+ gdk_window_clear_area(box->window, rx, ry, rw, rh);
+ rt_overlay_draw(rt, rx, ry, rw, rh, NULL);
+ }
+ }
+}
+
+static void rt_border_clear(RendererTiles *rt)
+{
+ PixbufRenderer *pr = rt->pr;
+ rt_border_draw(rt, 0, 0, pr->window_width, pr->window_height);
+}
+
+
+/*
+ *-------------------------------------------------------------------
+ * display tiles
+ *-------------------------------------------------------------------
+ */
+
+static ImageTile *rt_tile_new(gint x, gint y, gint width, gint height)
+{
+ ImageTile *it;
+
+ it = g_new0(ImageTile, 1);
+
+ it->x = x;
+ it->y = y;
+ it->w = width;
+ it->h = height;
+
+ it->render_done = TILE_RENDER_NONE;
+
+ return it;
+}
+
+static void rt_tile_free(ImageTile *it)
+{
+ if (!it) return;
+
+ if (it->pixbuf) g_object_unref(it->pixbuf);
+ if (it->pixmap) g_object_unref(it->pixmap);
+
+ g_free(it);
+}
+
+static void rt_tile_free_all(RendererTiles *rt)
+{
+ GList *work;
+
+ work = rt->tiles;
+ while (work)
+ {
+ ImageTile *it;
+
+ it = work->data;
+ work = work->next;
+
+ rt_tile_free(it);
+ }
+
+ g_list_free(rt->tiles);
+ rt->tiles = NULL;
+ rt->tile_cache_size = 0;
+}
+
+static ImageTile *rt_tile_add(RendererTiles *rt, gint x, gint y)
+{
+ PixbufRenderer *pr = rt->pr;
+ ImageTile *it;
+
+ it = rt_tile_new(x, y, rt->tile_width, rt->tile_height);
+
+ if (it->x + it->w > pr->width) it->w = pr->width - it->x;
+ if (it->y + it->h > pr->height) it->h = pr->height - it->y;
+
+ rt->tiles = g_list_prepend(rt->tiles, it);
+ rt->tile_cache_size += it->size;
+
+ return it;
+}
+
+static void rt_tile_remove(RendererTiles *rt, ImageTile *it)
+{
+ if (it->qd)
+ {
+ QueueData *qd = it->qd;
+
+ it->qd = NULL;
+ rt->draw_queue = g_list_remove(rt->draw_queue, qd);
+ g_free(qd);
+ }
+
+ if (it->qd2)
+ {
+ QueueData *qd = it->qd2;
+
+ it->qd2 = NULL;
+ rt->draw_queue_2pass = g_list_remove(rt->draw_queue_2pass, qd);
+ g_free(qd);
+ }
+
+ rt->tiles = g_list_remove(rt->tiles, it);
+ rt->tile_cache_size -= it->size;
+
+ rt_tile_free(it);
+}
+
+static void rt_tile_free_space(RendererTiles *rt, guint space, ImageTile *it)
+{
+ PixbufRenderer *pr = rt->pr;
+ GList *work;
+ guint tile_max;
+
+ work = g_list_last(rt->tiles);
+
+ if (pr->source_tiles_enabled && pr->scale < 1.0)
+ {
+ gint tiles;
+
+ tiles = (pr->vis_width / rt->tile_width + 1) * (pr->vis_height / rt->tile_height + 1);
+ tile_max = MAX(tiles * rt->tile_width * rt->tile_height * 3,
+ (gint)((gdouble)rt->tile_cache_max * 1048576.0 * pr->scale));
+ }
+ else
+ {
+ tile_max = rt->tile_cache_max * 1048576;
+ }
+
+ while (work && rt->tile_cache_size + space > tile_max)
+ {
+ ImageTile *needle;
+
+ needle = work->data;
+ work = work->prev;
+ if (needle != it &&
+ ((!needle->qd && !needle->qd2) || !rt_tile_is_visible(rt, needle))) rt_tile_remove(rt, needle);
+ }
+}
+
+static void rt_tile_invalidate_all(RendererTiles *rt)
+{
+ PixbufRenderer *pr = rt->pr;
+ GList *work;
+
+ work = rt->tiles;
+ while (work)
+ {
+ ImageTile *it;
+
+ it = work->data;
+ work = work->next;
+
+ it->render_done = TILE_RENDER_NONE;
+ it->render_todo = TILE_RENDER_ALL;
+ it->blank = FALSE;
+
+ it->w = MIN(rt->tile_width, pr->width - it->x);
+ it->h = MIN(rt->tile_height, pr->height - it->y);
+ }
+}
+
+static void rt_tile_invalidate_region(RendererTiles *rt, gint x, gint y, gint w, gint h)
+{
+ gint x1, x2;
+ gint y1, y2;
+ GList *work;
+
+ x1 = ROUND_DOWN(x, rt->tile_width);
+ x2 = ROUND_UP(x + w, rt->tile_width);
+
+ y1 = ROUND_DOWN(y, rt->tile_height);
+ y2 = ROUND_UP(y + h, rt->tile_height);
+
+ work = rt->tiles;
+ while (work)
+ {
+ ImageTile *it;
+
+ it = work->data;
+ work = work->next;
+
+ if (it->x < x2 && it->x + it->w > x1 &&
+ it->y < y2 && it->y + it->h > y1)
+ {
+ it->render_done = TILE_RENDER_NONE;
+ it->render_todo = TILE_RENDER_ALL;
+ }
+ }
+}
+
+static ImageTile *rt_tile_get(RendererTiles *rt, gint x, gint y, gboolean only_existing)
+{
+ GList *work;
+
+ work = rt->tiles;
+ while (work)
+ {
+ ImageTile *it;
+
+ it = work->data;
+ if (it->x == x && it->y == y)
+ {
+ rt->tiles = g_list_delete_link(rt->tiles, work);
+ rt->tiles = g_list_prepend(rt->tiles, it);
+ return it;
+ }
+
+ work = work->next;
+ }
+
+ if (only_existing) return NULL;
+
+ return rt_tile_add(rt, x, y);
+}
+
+static gint pixmap_calc_size(GdkPixmap *pixmap)
+{
+ gint w, h, d;
+
+ d = gdk_drawable_get_depth(pixmap);
+ gdk_drawable_get_size(pixmap, &w, &h);
+ return w * h * (d / 8);
+}
+
+static void rt_tile_prepare(RendererTiles *rt, ImageTile *it)
+{
+ PixbufRenderer *pr = rt->pr;
+ if (!it->pixmap)
+ {
+ GdkPixmap *pixmap;
+ guint size;
+
+ pixmap = gdk_pixmap_new(((GtkWidget *)pr)->window, rt->tile_width, rt->tile_height, -1);
+
+ size = pixmap_calc_size(pixmap);
+ rt_tile_free_space(rt, size, it);
+
+ it->pixmap = pixmap;
+ it->size += size;
+ rt->tile_cache_size += size;
+ }
+
+ if ((pr->zoom != 1.0 || pr->source_tiles_enabled || (pr->pixbuf && gdk_pixbuf_get_has_alpha(pr->pixbuf)) ||
+ pr->orientation != EXIF_ORIENTATION_TOP_LEFT || pr->func_post_process) && !it->pixbuf)
+ {
+ GdkPixbuf *pixbuf;
+ guint size;
+ {
+ pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, rt->tile_width, rt->tile_height);
+ }
+
+ size = gdk_pixbuf_get_rowstride(pixbuf) * rt->tile_height;
+ rt_tile_free_space(rt, size, it);
+
+ it->pixbuf = pixbuf;
+ it->size += size;
+ rt->tile_cache_size += size;
+ }
+}
+
+/*
+ *-------------------------------------------------------------------
+ * overlays
+ *-------------------------------------------------------------------
+ */
+
+static void rt_overlay_get_position(RendererTiles *rt, OverlayData *od,
+ gint *x, gint *y, gint *w, gint *h)
+{
+ PixbufRenderer *pr = rt->pr;
+ gint px, py, pw, ph;
+
+ pw = gdk_pixbuf_get_width(od->pixbuf);
+ ph = gdk_pixbuf_get_height(od->pixbuf);
+ px = od->x;
+ py = od->y;
+
+ if (od->flags & OVL_RELATIVE)
+ {
+ if (px < 0) px = pr->window_width - pw + px;
+ if (py < 0) py = pr->window_height - ph + py;
+ }
+
+ if (x) *x = px;
+ if (y) *y = py;
+ if (w) *w = pw;
+ if (h) *h = ph;
+}
+
+static void rt_overlay_init_window(RendererTiles *rt, OverlayData *od)
+{
+ PixbufRenderer *pr = rt->pr;
+ gint px, py, pw, ph;
+ GdkWindowAttr attributes;
+ gint attributes_mask;
+
+ rt_overlay_get_position(rt, od, &px, &py, &pw, &ph);
+
+ attributes.window_type = GDK_WINDOW_CHILD;
+ attributes.wclass = GDK_INPUT_OUTPUT;
+ attributes.width = pw;
+ attributes.height = ph;
+ attributes.event_mask = GDK_EXPOSURE_MASK;
+ attributes_mask = 0;
+
+ od->window = gdk_window_new(GTK_WIDGET(pr)->window, &attributes, attributes_mask);
+ gdk_window_set_user_data(od->window, pr);
+ gdk_window_move(od->window, px, py);
+ gdk_window_show(od->window);
+}
+
+static void rt_overlay_draw(RendererTiles *rt, gint x, gint y, gint w, gint h,
+ ImageTile *it)
+{
+ PixbufRenderer *pr = rt->pr;
+ GtkWidget *box;
+ GList *work;
+
+ box = GTK_WIDGET(pr);
+
+ work = rt->overlay_list;
+ while (work)
+ {
+ OverlayData *od;
+ gint px, py, pw, ph;
+ gint rx, ry, rw, rh;
+
+ od = work->data;
+ work = work->next;
+
+ if (!od->window) rt_overlay_init_window(rt, od);
+
+ rt_overlay_get_position(rt, od, &px, &py, &pw, &ph);
+ if (pr_clip_region(x, y, w, h, px, py, pw, ph, &rx, &ry, &rw, &rh))
+ {
+ if (!rt->overlay_buffer)
+ {
+ rt->overlay_buffer = gdk_pixmap_new(((GtkWidget *)pr)->window, rt->tile_width, rt->tile_height, -1);
+ }
+
+ if (it)
+ {
+#if GTK_CHECK_VERSION(2,20,0)
+ gdk_draw_drawable(rt->overlay_buffer, box->style->fg_gc[gtk_widget_get_state(box)],
+#else
+ gdk_draw_drawable(rt->overlay_buffer, box->style->fg_gc[GTK_WIDGET_STATE(box)],
+#endif
+ it->pixmap,
+ rx - (pr->x_offset + (it->x - pr->x_scroll)),
+ ry - (pr->y_offset + (it->y - pr->y_scroll)),
+ 0, 0, rw, rh);
+ gdk_draw_pixbuf(rt->overlay_buffer,
+#if GTK_CHECK_VERSION(2,20,0)
+ box->style->fg_gc[gtk_widget_get_state(box)],
+#else
+ box->style->fg_gc[GTK_WIDGET_STATE(box)],
+#endif
+ od->pixbuf,
+ rx - px, ry - py,
+ 0, 0, rw, rh,
+ pr->dither_quality, rx, ry);
+#if GTK_CHECK_VERSION(2,20,0)
+ gdk_draw_drawable(od->window, box->style->fg_gc[gtk_widget_get_state(box)],
+#else
+ gdk_draw_drawable(od->window, box->style->fg_gc[GTK_WIDGET_STATE(box)],
+#endif
+ rt->overlay_buffer,
+ 0, 0,
+ rx - px, ry - py, rw, rh);
+ }
+ else
+ {
+ /* no ImageTile means region may be larger than our scratch buffer */
+ gint sx, sy;
+
+ for (sx = rx; sx < rx + rw; sx += rt->tile_width)
+ for (sy = ry; sy < ry + rh; sy += rt->tile_height)
+ {
+ gint sw, sh;
+
+ sw = MIN(rx + rw - sx, rt->tile_width);
+ sh = MIN(ry + rh - sy, rt->tile_height);
+
+ gdk_draw_rectangle(rt->overlay_buffer,
+#if GTK_CHECK_VERSION(2,20,0)
+ box->style->bg_gc[gtk_widget_get_state(box)], TRUE,
+#else
+ box->style->bg_gc[GTK_WIDGET_STATE(box)], TRUE,
+#endif
+ 0, 0, sw, sh);
+ gdk_draw_pixbuf(rt->overlay_buffer,
+#if GTK_CHECK_VERSION(2,20,0)
+ box->style->fg_gc[gtk_widget_get_state(box)],
+#else
+ box->style->fg_gc[GTK_WIDGET_STATE(box)],
+#endif
+ od->pixbuf,
+ sx - px, sy - py,
+ 0, 0, sw, sh,
+ pr->dither_quality, sx, sy);
+#if GTK_CHECK_VERSION(2,20,0)
+ gdk_draw_drawable(od->window, box->style->fg_gc[gtk_widget_get_state(box)],
+#else
+ gdk_draw_drawable(od->window, box->style->fg_gc[GTK_WIDGET_STATE(box)],
+#endif
+ rt->overlay_buffer,
+ 0, 0,
+ sx - px, sy - py, sw, sh);
+ }
+ }
+ }
+ }
+}
+
+static void rt_overlay_queue_draw(RendererTiles *rt, OverlayData *od, gint x1, gint y1, gint x2, gint y2)
+{
+ PixbufRenderer *pr = rt->pr;
+ gint x, y, w, h;
+
+ rt_overlay_get_position(rt, od, &x, &y, &w, &h);
+
+ /* add borders */
+ x -= x1;
+ y -= y1;
+ w += x1 + x2;
+ h += y1 + y2;
+
+ rt_queue(rt, pr->x_scroll - pr->x_offset + x,
+ pr->y_scroll - pr->y_offset + y,
+ w, h,
+ FALSE, TILE_RENDER_ALL, FALSE, FALSE);
+
+ rt_border_draw(rt, x, y, w, h);
+}
+
+static void rt_overlay_queue_all(RendererTiles *rt, gint x1, gint y1, gint x2, gint y2)
+{
+ GList *work;
+
+ work = rt->overlay_list;
+ while (work)
+ {
+ OverlayData *od = work->data;
+ work = work->next;
+
+ rt_overlay_queue_draw(rt, od, x1, y1, x2, y2);
+ }
+}
+
+static void rt_overlay_update_sizes(RendererTiles *rt)
+{
+ GList *work;
+
+ work = rt->overlay_list;
+ while (work)
+ {
+ OverlayData *od = work->data;
+ work = work->next;
+
+ if (!od->window) rt_overlay_init_window(rt, od);
+
+ if (od->flags & OVL_RELATIVE)
+ {
+ gint x, y, w, h;
+
+ rt_overlay_get_position(rt, od, &x, &y, &w, &h);
+ gdk_window_move_resize(od->window, x, y, w, h);
+ }
+ }
+}
+
+static OverlayData *rt_overlay_find(RendererTiles *rt, gint id)
+{
+ GList *work;
+
+ work = rt->overlay_list;
+ while (work)
+ {
+ OverlayData *od = work->data;
+ work = work->next;
+
+ if (od->id == id) return od;
+ }
+
+ return NULL;
+}
+
+
+gint renderer_tiles_overlay_add(RendererTiles *rt, GdkPixbuf *pixbuf, gint x, gint y,
+ OverlayRendererFlags flags)
+{
+ PixbufRenderer *pr = rt->pr;
+ OverlayData *od;
+ gint id;
+
+ g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), -1);
+ g_return_val_if_fail(pixbuf != NULL, -1);
+
+ id = 1;
+ while (rt_overlay_find(rt, id)) id++;
+
+ od = g_new0(OverlayData, 1);
+ od->id = id;
+ od->pixbuf = pixbuf;
+ g_object_ref(G_OBJECT(od->pixbuf));
+ od->x = x;
+ od->y = y;
+ od->flags = flags;
+
+ rt_overlay_init_window(rt, od);
+
+ rt->overlay_list = g_list_append(rt->overlay_list, od);
+
+ rt_overlay_queue_draw(rt, od, 0, 0, 0, 0);
+
+ return od->id;
+}
+
+static void rt_overlay_free(RendererTiles *rt, OverlayData *od)
+{
+ rt->overlay_list = g_list_remove(rt->overlay_list, od);
+
+ if (od->pixbuf) g_object_unref(G_OBJECT(od->pixbuf));
+ if (od->window) gdk_window_destroy(od->window);
+ g_free(od);
+
+ if (!rt->overlay_list && rt->overlay_buffer)
+ {
+ g_object_unref(rt->overlay_buffer);
+ rt->overlay_buffer = NULL;
+ }
+}
+
+static void rt_overlay_list_clear(RendererTiles *rt)
+{
+ while (rt->overlay_list)
+ {
+ OverlayData *od;
+
+ od = rt->overlay_list->data;
+ rt_overlay_free(rt, od);
+ }
+}
+
+static void rt_overlay_list_reset_window(RendererTiles *rt)
+{
+ GList *work;
+
+ if (rt->overlay_buffer) g_object_unref(rt->overlay_buffer);
+ rt->overlay_buffer = NULL;
+
+ work = rt->overlay_list;
+ while (work)
+ {
+ OverlayData *od = work->data;
+ work = work->next;
+ if (od->window) gdk_window_destroy(od->window);
+ od->window = NULL;
+ }
+}
+
+void renderer_tiles_overlay_set(RendererTiles *rt, gint id, GdkPixbuf *pixbuf, gint x, gint y)
+{
+ PixbufRenderer *pr = rt->pr;
+ OverlayData *od;
+
+ g_return_if_fail(IS_PIXBUF_RENDERER(pr));
+
+ od = rt_overlay_find(rt, id);
+ if (!od) return;
+
+ if (pixbuf)
+ {
+ gint px, py, pw, ph;
+
+ g_object_ref(G_OBJECT(pixbuf));
+ g_object_unref(G_OBJECT(od->pixbuf));
+ od->pixbuf = pixbuf;
+
+ od->x = x;
+ od->y = y;
+
+ if (!od->window) rt_overlay_init_window(rt, od);
+
+ rt_overlay_queue_draw(rt, od, 0, 0, 0, 0);
+ rt_overlay_get_position(rt, od, &px, &py, &pw, &ph);
+ gdk_window_move_resize(od->window, px, py, pw, ph);
+ }
+ else
+ {
+ rt_overlay_queue_draw(rt, od, 0, 0, 0, 0);
+ rt_overlay_free(rt, od);
+ }
+}
+
+gboolean renderer_tiles_overlay_get(RendererTiles *rt, gint id, GdkPixbuf **pixbuf, gint *x, gint *y)
+{
+ PixbufRenderer *pr = rt->pr;
+ OverlayData *od;
+
+ g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
+
+ od = rt_overlay_find(rt, id);
+ if (!od) return FALSE;
+
+ if (pixbuf) *pixbuf = od->pixbuf;
+ if (x) *x = od->x;
+ if (y) *y = od->y;
+
+ return TRUE;
+}
+
+static void rt_hierarchy_changed_cb(GtkWidget *widget, GtkWidget *previous_toplevel, gpointer data)
+{
+ RendererTiles *rt = data;
+ rt_overlay_list_reset_window(rt);
+}
+
+/*
+ *-------------------------------------------------------------------
+ * drawing
+ *-------------------------------------------------------------------
+ */
+
+static GdkPixbuf *rt_get_spare_tile(RendererTiles *rt)
+{
+ if (!rt->spare_tile) rt->spare_tile = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, rt->tile_width, rt->tile_height);
+ return rt->spare_tile;
+}
+
+#define COLOR_BYTES 3 /* rgb */
+
+static void rt_tile_rotate_90_clockwise(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
+{
+ GdkPixbuf *src = *tile;
+ GdkPixbuf *dest;
+ gint srs, drs;
+ guchar *s_pix, *d_pix;
+ guchar *sp, *dp;
+ guchar *ip, *spi, *dpi;
+ gint i, j;
+ gint tw = rt->tile_width;
+
+ srs = gdk_pixbuf_get_rowstride(src);
+ s_pix = gdk_pixbuf_get_pixels(src);
+ spi = s_pix + (x * COLOR_BYTES);
+
+ dest = rt_get_spare_tile(rt);
+ drs = gdk_pixbuf_get_rowstride(dest);
+ d_pix = gdk_pixbuf_get_pixels(dest);
+ dpi = d_pix + (tw - 1) * COLOR_BYTES;
+
+ for (i = y; i < y + h; i++)
+ {
+ sp = spi + (i * srs);
+ ip = dpi - (i * COLOR_BYTES);
+ for (j = x; j < x + w; j++)
+ {
+ dp = ip + (j * drs);
+ memcpy(dp, sp, COLOR_BYTES);
+ sp += COLOR_BYTES;
+ }
+ }
+
+ rt->spare_tile = src;
+ *tile = dest;
+}
+
+static void rt_tile_rotate_90_counter_clockwise(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
+{
+ GdkPixbuf *src = *tile;
+ GdkPixbuf *dest;
+ gint srs, drs;
+ guchar *s_pix, *d_pix;
+ guchar *sp, *dp;
+ guchar *ip, *spi, *dpi;
+ gint i, j;
+ gint th = rt->tile_height;
+
+ srs = gdk_pixbuf_get_rowstride(src);
+ s_pix = gdk_pixbuf_get_pixels(src);
+ spi = s_pix + (x * COLOR_BYTES);
+
+ dest = rt_get_spare_tile(rt);
+ drs = gdk_pixbuf_get_rowstride(dest);
+ d_pix = gdk_pixbuf_get_pixels(dest);
+ dpi = d_pix + (th - 1) * drs;
+
+ for (i = y; i < y + h; i++)
+ {
+ sp = spi + (i * srs);
+ ip = dpi + (i * COLOR_BYTES);
+ for (j = x; j < x + w; j++)
+ {
+ dp = ip - (j * drs);
+ memcpy(dp, sp, COLOR_BYTES);
+ sp += COLOR_BYTES;
+ }
+ }
+
+ rt->spare_tile = src;
+ *tile = dest;
+}
+
+static void rt_tile_mirror_only(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
+{
+ GdkPixbuf *src = *tile;
+ GdkPixbuf *dest;
+ gint srs, drs;
+ guchar *s_pix, *d_pix;
+ guchar *sp, *dp;
+ guchar *spi, *dpi;
+ gint i, j;
+
+ gint tw = rt->tile_width;
+
+ srs = gdk_pixbuf_get_rowstride(src);
+ s_pix = gdk_pixbuf_get_pixels(src);
+ spi = s_pix + (x * COLOR_BYTES);
+
+ dest = rt_get_spare_tile(rt);
+ drs = gdk_pixbuf_get_rowstride(dest);
+ d_pix = gdk_pixbuf_get_pixels(dest);
+ dpi = d_pix + (tw - x - 1) * COLOR_BYTES;
+
+ for (i = y; i < y + h; i++)
+ {
+ sp = spi + (i * srs);
+ dp = dpi + (i * drs);
+ for (j = 0; j < w; j++)
+ {
+ memcpy(dp, sp, COLOR_BYTES);
+ sp += COLOR_BYTES;
+ dp -= COLOR_BYTES;
+ }
+ }
+
+ rt->spare_tile = src;
+ *tile = dest;
+}
+
+static void rt_tile_mirror_and_flip(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
+{
+ GdkPixbuf *src = *tile;
+ GdkPixbuf *dest;
+ gint srs, drs;
+ guchar *s_pix, *d_pix;
+ guchar *sp, *dp;
+ guchar *spi, *dpi;
+ gint i, j;
+ gint tw = rt->tile_width;
+ gint th = rt->tile_height;
+
+ srs = gdk_pixbuf_get_rowstride(src);
+ s_pix = gdk_pixbuf_get_pixels(src);
+ spi = s_pix + (x * COLOR_BYTES);
+
+ dest = rt_get_spare_tile(rt);
+ drs = gdk_pixbuf_get_rowstride(dest);
+ d_pix = gdk_pixbuf_get_pixels(dest);
+ dpi = d_pix + (th - 1) * drs + (tw - 1) * COLOR_BYTES;
+
+ for (i = y; i < y + h; i++)
+ {
+ sp = s_pix + (i * srs) + (x * COLOR_BYTES);
+ dp = dpi - (i * drs) - (x * COLOR_BYTES);
+ for (j = 0; j < w; j++)
+ {
+ memcpy(dp, sp, COLOR_BYTES);
+ sp += COLOR_BYTES;
+ dp -= COLOR_BYTES;
+ }
+ }
+
+ rt->spare_tile = src;
+ *tile = dest;
+}
+
+static void rt_tile_flip_only(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
+{
+ GdkPixbuf *src = *tile;
+ GdkPixbuf *dest;
+ gint srs, drs;
+ guchar *s_pix, *d_pix;
+ guchar *sp, *dp;
+ guchar *spi, *dpi;
+ gint i;
+ gint th = rt->tile_height;
+
+ srs = gdk_pixbuf_get_rowstride(src);
+ s_pix = gdk_pixbuf_get_pixels(src);
+ spi = s_pix + (x * COLOR_BYTES);
+
+ dest = rt_get_spare_tile(rt);
+ drs = gdk_pixbuf_get_rowstride(dest);
+ d_pix = gdk_pixbuf_get_pixels(dest);
+ dpi = d_pix + (th - 1) * drs + (x * COLOR_BYTES);
+
+ for (i = y; i < y + h; i++)
+ {
+ sp = spi + (i * srs);
+ dp = dpi - (i * drs);
+ memcpy(dp, sp, w * COLOR_BYTES);
+ }
+
+ rt->spare_tile = src;
+ *tile = dest;
+}
+
+static void rt_tile_apply_orientation(RendererTiles *rt, GdkPixbuf **pixbuf, gint x, gint y, gint w, gint h)
+{
+ PixbufRenderer *pr = rt->pr;
+ switch (pr->orientation)
+ {
+ case EXIF_ORIENTATION_TOP_LEFT:
+ /* normal -- nothing to do */
+ break;
+ case EXIF_ORIENTATION_TOP_RIGHT:
+ /* mirrored */
+ {
+ rt_tile_mirror_only(rt, pixbuf, x, y, w, h);
+ }
+ break;
+ case EXIF_ORIENTATION_BOTTOM_RIGHT:
+ /* upside down */
+ {
+ rt_tile_mirror_and_flip(rt, pixbuf, x, y, w, h);
+ }
+ break;
+ case EXIF_ORIENTATION_BOTTOM_LEFT:
+ /* flipped */
+ {
+ rt_tile_flip_only(rt, pixbuf, x, y, w, h);
+ }
+ break;
+ case EXIF_ORIENTATION_LEFT_TOP:
+ {
+ rt_tile_flip_only(rt, pixbuf, x, y, w, h);
+ rt_tile_rotate_90_clockwise(rt, pixbuf, x, rt->tile_height - y - h, w, h);
+ }
+ break;
+ case EXIF_ORIENTATION_RIGHT_TOP:
+ /* rotated -90 (270) */
+ {
+ rt_tile_rotate_90_clockwise(rt, pixbuf, x, y, w, h);
+ }
+ break;
+ case EXIF_ORIENTATION_RIGHT_BOTTOM:
+ {
+ rt_tile_flip_only(rt, pixbuf, x, y, w, h);
+ rt_tile_rotate_90_counter_clockwise(rt, pixbuf, x, rt->tile_height - y - h, w, h);
+ }
+ break;
+ case EXIF_ORIENTATION_LEFT_BOTTOM:
+ /* rotated 90 */
+ {
+ rt_tile_rotate_90_counter_clockwise(rt, pixbuf, x, y, w, h);
+ }
+ break;
+ default:
+ /* The other values are out of range */
+ break;
+ }
+}
+
+static gboolean rt_source_tile_render(RendererTiles *rt, ImageTile *it,
+ gint x, gint y, gint w, gint h,
+ gboolean new_data, gboolean fast)
+{
+ PixbufRenderer *pr = rt->pr;
+ GtkWidget *box;
+ GList *list;
+ GList *work;
+ gboolean draw = FALSE;
+
+ box = GTK_WIDGET(pr);
+
+ if (pr->zoom == 1.0 || pr->scale == 1.0)
+ {
+ list = pr_source_tile_compute_region(pr, it->x + x, it->y + y, w, h, TRUE);
+ work = list;
+ while (work)
+ {
+ SourceTile *st;
+ gint rx, ry, rw, rh;
+
+ st = work->data;
+ work = work->next;
+
+ if (pr_clip_region(st->x, st->y, pr->source_tile_width, pr->source_tile_height,
+ it->x + x, it->y + y, w, h,
+ &rx, &ry, &rw, &rh))
+ {
+ if (st->blank)
+ {
+ gdk_draw_rectangle(it->pixmap, box->style->black_gc, TRUE,
+ rx - st->x, ry - st->y, rw, rh);
+ }
+ else /* (pr->zoom == 1.0 || pr->scale == 1.0) */
+ {
+ gdk_draw_pixbuf(it->pixmap,
+#if GTK_CHECK_VERSION(2,20,0)
+ box->style->fg_gc[gtk_widget_get_state(box)],
+#else
+ box->style->fg_gc[GTK_WIDGET_STATE(box)],
+#endif
+ st->pixbuf,
+ rx - st->x, ry - st->y,
+ rx - it->x, ry - it->y,
+ rw, rh,
+ pr->dither_quality, rx, ry);
+ }
+ }
+ }
+ }
+ else
+ {
+ gdouble scale_x, scale_y;
+ gint sx, sy, sw, sh;
+
+ if (pr->image_width == 0 || pr->image_height == 0) return FALSE;
+ scale_x = (gdouble)pr->width / pr->image_width;
+ scale_y = (gdouble)pr->height / pr->image_height;
+
+ sx = (gdouble)(it->x + x) / scale_x;
+ sy = (gdouble)(it->y + y) / scale_y;
+ sw = (gdouble)w / scale_x;
+ sh = (gdouble)h / scale_y;
+
+ if (pr->width < PR_MIN_SCALE_SIZE || pr->height < PR_MIN_SCALE_SIZE) fast = TRUE;
+
+#if 0
+ /* draws red over draw region, to check for leaks (regions not filled) */
+ pixbuf_set_rect_fill(it->pixbuf, x, y, w, h, 255, 0, 0, 255);
+#endif
+
+ list = pr_source_tile_compute_region(pr, sx, sy, sw, sh, TRUE);
+ work = list;
+ while (work)
+ {
+ SourceTile *st;
+ gint rx, ry, rw, rh;
+ gint stx, sty, stw, sth;
+
+ st = work->data;
+ work = work->next;
+
+ stx = floor((gdouble)st->x * scale_x);
+ sty = floor((gdouble)st->y * scale_y);
+ stw = ceil((gdouble)(st->x + pr->source_tile_width) * scale_x) - stx;
+ sth = ceil((gdouble)(st->y + pr->source_tile_height) * scale_y) - sty;
+
+ if (pr_clip_region(stx, sty, stw, sth,
+ it->x + x, it->y + y, w, h,
+ &rx, &ry, &rw, &rh))
+ {
+ if (st->blank)
+ {
+ gdk_draw_rectangle(it->pixmap, box->style->black_gc, TRUE,
+ rx - st->x, ry - st->y, rw, rh);
+ }
+ else
+ {
+ gdouble offset_x;
+ gdouble offset_y;
+
+ /* may need to use unfloored stx,sty values here */
+ offset_x = (gdouble)(stx - it->x);
+ offset_y = (gdouble)(sty - it->y);
+
+ gdk_pixbuf_scale(st->pixbuf, it->pixbuf, rx - it->x, ry - it->y, rw, rh,
+ (gdouble) 0.0 + offset_x,
+ (gdouble) 0.0 + offset_y,
+ scale_x, scale_y,
+ (fast) ? GDK_INTERP_NEAREST : pr->zoom_quality);
+ draw = TRUE;
+ }
+ }
+ }
+ }
+
+ g_list_free(list);
+
+ return draw;
+}
+
+
+static void rt_tile_render(RendererTiles *rt, ImageTile *it,
+ gint x, gint y, gint w, gint h,
+ gboolean new_data, gboolean fast)
+{
+ PixbufRenderer *pr = rt->pr;
+ GtkWidget *box;
+ gboolean has_alpha;
+ gboolean draw = FALSE;
+
+ if (it->render_todo == TILE_RENDER_NONE && it->pixmap && !new_data) return;
+
+ if (it->render_done != TILE_RENDER_ALL)
+ {
+ x = 0;
+ y = 0;
+ w = it->w;
+ h = it->h;
+ if (!fast) it->render_done = TILE_RENDER_ALL;
+ }
+ else if (it->render_todo != TILE_RENDER_AREA)
+ {
+ if (!fast) it->render_todo = TILE_RENDER_NONE;
+ return;
+ }
+
+ if (!fast) it->render_todo = TILE_RENDER_NONE;
+
+ if (new_data) it->blank = FALSE;
+
+ rt_tile_prepare(rt, it);
+ has_alpha = (pr->pixbuf && gdk_pixbuf_get_has_alpha(pr->pixbuf));
+
+ box = GTK_WIDGET(pr);
+
+ /* FIXME checker colors for alpha should be configurable,
+ * also should be drawn for blank = TRUE
+ */
+
+ if (it->blank)
+ {
+ /* no data, do fast rect fill */
+ gdk_draw_rectangle(it->pixmap, box->style->black_gc, TRUE,
+ 0, 0, it->w, it->h);
+ }
+ else if (pr->source_tiles_enabled)
+ {
+ draw = rt_source_tile_render(rt, it, x, y, w, h, new_data, fast);
+ }
+ else if (pr->zoom == 1.0 || pr->scale == 1.0)
+ {
+
+ gdouble src_x, src_y;
+ gint pb_x, pb_y;
+ gint pb_w, pb_h;
+ pr_tile_coords_map_orientation(pr->orientation, it->x, it->y,
+ pr->image_width, pr->image_height,
+ rt->tile_width, rt->tile_height,
+ &src_x, &src_y);
+ pr_tile_region_map_orientation(pr->orientation, x, y,
+ rt->tile_width, rt->tile_height,
+ w, h,
+ &pb_x, &pb_y,
+ &pb_w, &pb_h);
+
+ if (has_alpha)
+ {
+ gdk_pixbuf_composite_color(pr->pixbuf, it->pixbuf, pb_x, pb_y, pb_w, pb_h,
+ (gdouble) 0.0 - src_x,
+ (gdouble) 0.0 - src_y,
+ 1.0, 1.0, GDK_INTERP_NEAREST,
+ 255, it->x + pb_x, it->y + pb_y,
+ PR_ALPHA_CHECK_SIZE, PR_ALPHA_CHECK1, PR_ALPHA_CHECK2);
+ rt_tile_apply_orientation(rt, &it->pixbuf, pb_x, pb_y, pb_w, pb_h);
+ draw = TRUE;
+ }
+ else
+ {
+
+
+ if (pr->orientation == EXIF_ORIENTATION_TOP_LEFT && !(pr->func_post_process && !(pr->post_process_slow && fast)))
+ {
+ /* faster, simple, base orientation, no postprocessing */
+ gdk_draw_pixbuf(it->pixmap,
+#if GTK_CHECK_VERSION(2,20,0)
+ box->style->fg_gc[gtk_widget_get_state(box)],
+#else
+ box->style->fg_gc[GTK_WIDGET_STATE(box)],
+#endif
+ pr->pixbuf,
+ it->x + x, it->y + y,
+ x, y,
+ w, h,
+ pr->dither_quality, it->x + x, it->y + y);
+ }
+ else
+ {
+ gdk_pixbuf_copy_area(pr->pixbuf,
+ src_x + pb_x, src_y + pb_y,
+ pb_w, pb_h,
+ it->pixbuf,
+ pb_x, pb_y);
+ rt_tile_apply_orientation(rt, &it->pixbuf, pb_x, pb_y, pb_w, pb_h);
+ draw = TRUE;
+ }
+ }
+ }
+ else
+ {
+ gdouble scale_x, scale_y;
+ gdouble src_x, src_y;
+ gint pb_x, pb_y;
+ gint pb_w, pb_h;
+
+ if (pr->image_width == 0 || pr->image_height == 0) return;
+
+ scale_x = (gdouble)pr->width / pr->image_width;
+ scale_y = (gdouble)pr->height / pr->image_height;
+
+ pr_tile_coords_map_orientation(pr->orientation, it->x, it->y,
+ pr->image_width * scale_x, pr->image_height * scale_y,
+ rt->tile_width, rt->tile_height,
+ &src_x, &src_y);
+ pr_tile_region_map_orientation(pr->orientation, x, y,
+ rt->tile_width, rt->tile_height,
+ w, h,
+ &pb_x, &pb_y,
+ &pb_w, &pb_h);
+ switch (pr->orientation)
+ {
+ gdouble tmp;
+ case EXIF_ORIENTATION_LEFT_TOP:
+ case EXIF_ORIENTATION_RIGHT_TOP:
+ case EXIF_ORIENTATION_RIGHT_BOTTOM:
+ case EXIF_ORIENTATION_LEFT_BOTTOM:
+ tmp = scale_x;
+ scale_x = scale_y;
+ scale_y = tmp;
+ break;
+ default:
+ /* nothing to do */
+ break;
+ }
+
+ /* HACK: The pixbuf scalers get kinda buggy(crash) with extremely
+ * small sizes for anything but GDK_INTERP_NEAREST
+ */
+ if (pr->width < PR_MIN_SCALE_SIZE || pr->height < PR_MIN_SCALE_SIZE) fast = TRUE;
+
+ if (!has_alpha)
+ {
+ gdk_pixbuf_scale(pr->pixbuf, it->pixbuf, pb_x, pb_y, pb_w, pb_h,
+ (gdouble) 0.0 - src_x,
+ (gdouble) 0.0 - src_y,
+ scale_x, scale_y,
+ (fast) ? GDK_INTERP_NEAREST : pr->zoom_quality);
+ }
+ else
+ {
+ gdk_pixbuf_composite_color(pr->pixbuf, it->pixbuf, pb_x, pb_y, pb_w, pb_h,
+ (gdouble) 0.0 - src_x,
+ (gdouble) 0.0 - src_y,
+ scale_x, scale_y,
+ (fast) ? GDK_INTERP_NEAREST : pr->zoom_quality,
+ 255, it->x + pb_x, it->y + pb_y,
+ PR_ALPHA_CHECK_SIZE, PR_ALPHA_CHECK1, PR_ALPHA_CHECK2);
+ }
+ rt_tile_apply_orientation(rt, &it->pixbuf, pb_x, pb_y, pb_w, pb_h);
+ draw = TRUE;
+ }
+
+ if (draw && it->pixbuf && !it->blank)
+ {
+
+ if (pr->func_post_process && !(pr->post_process_slow && fast))
+ pr->func_post_process(pr, &it->pixbuf, x, y, w, h, pr->post_process_user_data);
+
+ gdk_draw_pixbuf(it->pixmap,
+#if GTK_CHECK_VERSION(2,20,0)
+ box->style->fg_gc[gtk_widget_get_state(box)],
+#else
+ box->style->fg_gc[GTK_WIDGET_STATE(box)],
+#endif
+ it->pixbuf,
+ x, y,
+ x, y,
+ w, h,
+ pr->dither_quality, it->x + x, it->y + y);
+ }
+
+#if 0
+ /* enable this line for debugging the edges of tiles */
+ gdk_draw_rectangle(it->pixmap, box->style->white_gc,
+ FALSE, 0, 0, it->w, it->h);
+ gdk_draw_rectangle(it->pixmap, box->style->white_gc,
+ FALSE, x, y, w, h);
+#endif
+}
+
+
+static void rt_tile_expose(RendererTiles *rt, ImageTile *it,
+ gint x, gint y, gint w, gint h,
+ gboolean new_data, gboolean fast)
+{
+ PixbufRenderer *pr = rt->pr;
+ GtkWidget *box;
+
+ rt_tile_render(rt, it, x, y, w, h, new_data, fast);
+
+ box = GTK_WIDGET(pr);
+
+#if GTK_CHECK_VERSION(2,20,0)
+ gdk_draw_drawable(box->window, box->style->fg_gc[gtk_widget_get_state(box)],
+#else
+ gdk_draw_drawable(box->window, box->style->fg_gc[GTK_WIDGET_STATE(box)],
+#endif
+ it->pixmap, x, y,
+ pr->x_offset + (it->x - pr->x_scroll) + x, pr->y_offset + (it->y - pr->y_scroll) + y, w, h);
+
+ if (rt->overlay_list)
+ {
+ rt_overlay_draw(rt, pr->x_offset + (it->x - pr->x_scroll) + x,
+ pr->y_offset + (it->y - pr->y_scroll) + y,
+ w, h,
+ it);
+ }
+}
+
+
+static gboolean rt_tile_is_visible(RendererTiles *rt, ImageTile *it)
+{
+ PixbufRenderer *pr = rt->pr;
+ return (it->x + it->w >= pr->x_scroll && it->x < pr->x_scroll + pr->vis_width &&
+ it->y + it->h >= pr->y_scroll && it->y < pr->y_scroll + pr->vis_height);
+}
+
+/*
+ *-------------------------------------------------------------------
+ * draw queue
+ *-------------------------------------------------------------------
+ */
+
+static gint rt_get_queued_area(GList *work)
+{
+ gint area = 0;
+
+ while (work)
+ {
+ QueueData *qd = work->data;
+ area += qd->w * qd->h;
+ work = work->next;
+ }
+ return area;
+}
+
+
+static gboolean rt_queue_schedule_next_draw(RendererTiles *rt, gboolean force_set)
+{
+ PixbufRenderer *pr = rt->pr;
+ gfloat percent;
+ gint visible_area = pr->vis_width * pr->vis_height;
+
+ if (!pr->loading)
+ {
+ /* 2pass prio */
+ DEBUG_2("redraw priority: 2pass");
+ rt->draw_idle_id = g_idle_add_full(G_PRIORITY_DEFAULT_IDLE, rt_queue_draw_idle_cb, rt, NULL);
+ return FALSE;
+ }
+
+ if (visible_area == 0)
+ {
+ /* not known yet */
+ percent = 100.0;
+ }
+ else
+ {
+ percent = 100.0 * rt_get_queued_area(rt->draw_queue) / visible_area;
+ }
+
+ if (percent > 10.0)
+ {
+ /* we have enough data for starting intensive redrawing */
+ DEBUG_2("redraw priority: high %.2f %%", percent);
+ rt->draw_idle_id = g_idle_add_full(GDK_PRIORITY_REDRAW, rt_queue_draw_idle_cb, rt, NULL);
+ return FALSE;
+ }
+
+ if (percent < 1.0 || force_set)
+ {
+ /* queue is (almost) empty, wait 50 ms*/
+ DEBUG_2("redraw priority: wait %.2f %%", percent);
+ rt->draw_idle_id = g_timeout_add_full(G_PRIORITY_DEFAULT_IDLE, 50, rt_queue_draw_idle_cb, rt, NULL);
+ return FALSE;
+ }
+
+ /* keep the same priority as before */
+ DEBUG_2("redraw priority: no change %.2f %%", percent);
+ return TRUE;
+}
+
+
+static gboolean rt_queue_draw_idle_cb(gpointer data)
+{
+ RendererTiles *rt = data;
+ PixbufRenderer *pr = rt->pr;
+ QueueData *qd;
+ gboolean fast;
+
+
+ if ((!pr->pixbuf && !pr->source_tiles_enabled) ||
+ (!rt->draw_queue && !rt->draw_queue_2pass) ||
+ !rt->draw_idle_id)
+ {
+ pr_render_complete_signal(pr);
+
+ rt->draw_idle_id = 0;
+ return FALSE;
+ }
+
+ if (rt->draw_queue)
+ {
+ qd = rt->draw_queue->data;
+ fast = (pr->zoom_2pass && ((pr->zoom_quality != GDK_INTERP_NEAREST && pr->scale != 1.0) || pr->post_process_slow));
+ }
+ else
+ {
+ if (pr->loading)
+ {
+ /* still loading, wait till done (also drops the higher priority) */
+
+ return rt_queue_schedule_next_draw(rt, FALSE);
+ }
+
+ qd = rt->draw_queue_2pass->data;
+ fast = FALSE;
+ }
+
+#if GTK_CHECK_VERSION(2,20,0)
+ if (gtk_widget_get_realized(pr))
+#else
+ if (GTK_WIDGET_REALIZED(pr))
+#endif
+ {
+ if (rt_tile_is_visible(rt, qd->it))
+ {
+ rt_tile_expose(rt, qd->it, qd->x, qd->y, qd->w, qd->h, qd->new_data, fast);
+ }
+ else if (qd->new_data)
+ {
+ /* if new pixel data, and we already have a pixmap, update the tile */
+ qd->it->blank = FALSE;
+ if (qd->it->pixmap && qd->it->render_done == TILE_RENDER_ALL)
+ {
+ rt_tile_render(rt, qd->it, qd->x, qd->y, qd->w, qd->h, qd->new_data, fast);
+ }
+ }
+ }
+
+ if (rt->draw_queue)
+ {
+ qd->it->qd = NULL;
+ rt->draw_queue = g_list_remove(rt->draw_queue, qd);
+ if (fast)
+ {
+ if (qd->it->qd2)
+ {
+ rt_queue_merge(qd->it->qd2, qd);
+ g_free(qd);
+ }
+ else
+ {
+ qd->it->qd2 = qd;
+ rt->draw_queue_2pass = g_list_append(rt->draw_queue_2pass, qd);
+ }
+ }
+ else
+ {
+ g_free(qd);
+ }
+ }
+ else
+ {
+ qd->it->qd2 = NULL;
+ rt->draw_queue_2pass = g_list_remove(rt->draw_queue_2pass, qd);
+ g_free(qd);
+ }
+
+ if (!rt->draw_queue && !rt->draw_queue_2pass)
+ {
+ pr_render_complete_signal(pr);
+
+ rt->draw_idle_id = 0;
+ return FALSE;
+ }
+
+ return rt_queue_schedule_next_draw(rt, FALSE);
+}
+
+static void rt_queue_list_free(GList *list)
+{
+ GList *work;
+
+ work = list;
+ while (work)
+ {
+ QueueData *qd;
+
+ qd = work->data;
+ work = work->next;
+
+ qd->it->qd = NULL;
+ qd->it->qd2 = NULL;
+ g_free(qd);
+ }
+
+ g_list_free(list);
+}
+
+static void rt_queue_clear(RendererTiles *rt)
+{
+ rt_queue_list_free(rt->draw_queue);
+ rt->draw_queue = NULL;
+
+ rt_queue_list_free(rt->draw_queue_2pass);
+ rt->draw_queue_2pass = NULL;
+
+ if (rt->draw_idle_id)
+ {
+ g_source_remove(rt->draw_idle_id);
+ rt->draw_idle_id = 0;
+ }
+}
+
+static void rt_queue_merge(QueueData *parent, QueueData *qd)
+{
+ if (parent->x + parent->w < qd->x + qd->w)
+ {
+ parent->w += (qd->x + qd->w) - (parent->x + parent->w);
+ }
+ if (parent->x > qd->x)
+ {
+ parent->w += parent->x - qd->x;
+ parent->x = qd->x;
+ }
+
+ if (parent->y + parent->h < qd->y + qd->h)
+ {
+ parent->h += (qd->y + qd->h) - (parent->y + parent->h);
+ }
+ if (parent->y > qd->y)
+ {
+ parent->h += parent->y - qd->y;
+ parent->y = qd->y;
+ }
+
+ parent->new_data |= qd->new_data;
+}
+
+static gboolean rt_clamp_to_visible(RendererTiles *rt, gint *x, gint *y, gint *w, gint *h)
+{
+ PixbufRenderer *pr = rt->pr;
+ gint nx, ny;
+ gint nw, nh;
+ gint vx, vy;
+ gint vw, vh;
+
+ vw = pr->vis_width;
+ vh = pr->vis_height;
+
+ vx = pr->x_scroll;
+ vy = pr->y_scroll;
+
+ if (*x + *w < vx || *x > vx + vw || *y + *h < vy || *y > vy + vh) return FALSE;
+
+ /* now clamp it */
+ nx = CLAMP(*x, vx, vx + vw);
+ nw = CLAMP(*w - (nx - *x), 1, vw);
+
+ ny = CLAMP(*y, vy, vy + vh);
+ nh = CLAMP(*h - (ny - *y), 1, vh);
+
+ *x = nx;
+ *y = ny;
+ *w = nw;
+ *h = nh;
+
+ return TRUE;
+}
+
+static gboolean rt_queue_to_tiles(RendererTiles *rt, gint x, gint y, gint w, gint h,
+ gboolean clamp, ImageRenderType render,
+ gboolean new_data, gboolean only_existing)
+{
+ PixbufRenderer *pr = rt->pr;
+ gint i, j;
+ gint x1, x2;
+ gint y1, y2;
+
+ if (clamp && !rt_clamp_to_visible(rt, &x, &y, &w, &h)) return FALSE;
+
+ x1 = ROUND_DOWN(x, rt->tile_width);
+ x2 = ROUND_UP(x + w, rt->tile_width);
+
+ y1 = ROUND_DOWN(y, rt->tile_height);
+ y2 = ROUND_UP(y + h, rt->tile_height);
+
+ for (j = y1; j <= y2; j += rt->tile_height)
+ {
+ for (i = x1; i <= x2; i += rt->tile_width)
+ {
+ ImageTile *it;
+
+ it = rt_tile_get(rt, i, j,
+ (only_existing &&
+ (i + rt->tile_width < pr->x_scroll ||
+ i > pr->x_scroll + pr->vis_width ||
+ j + rt->tile_height < pr->y_scroll ||
+ j > pr->y_scroll + pr->vis_height)));
+ if (it)
+ {
+ QueueData *qd;
+
+ if ((render == TILE_RENDER_ALL && it->render_done != TILE_RENDER_ALL) ||
+ (render == TILE_RENDER_AREA && it->render_todo != TILE_RENDER_ALL))
+ {
+ it->render_todo = render;
+ }
+
+ qd = g_new(QueueData, 1);
+ qd->it = it;
+ qd->new_data = new_data;
+
+ if (i < x)
+ {
+ qd->x = x - i;
+ }
+ else
+ {
+ qd->x = 0;
+ }
+ qd->w = x + w - i - qd->x;
+ if (qd->x + qd->w > rt->tile_width) qd->w = rt->tile_width - qd->x;
+
+ if (j < y)
+ {
+ qd->y = y - j;
+ }
+ else
+ {
+ qd->y = 0;
+ }
+ qd->h = y + h - j - qd->y;
+ if (qd->y + qd->h > rt->tile_height) qd->h = rt->tile_height - qd->y;
+
+ if (qd->w < 1 || qd->h < 1)
+ {
+ g_free(qd);
+ }
+ else if (it->qd)
+ {
+ rt_queue_merge(it->qd, qd);
+ g_free(qd);
+ }
+ else
+ {
+ it->qd = qd;
+ rt->draw_queue = g_list_append(rt->draw_queue, qd);
+ }
+ }
+ }
+ }
+
+ return TRUE;
+}
+
+static void rt_queue(RendererTiles *rt, gint x, gint y, gint w, gint h,
+ gboolean clamp, ImageRenderType render,
+ gboolean new_data, gboolean only_existing)
+{
+ PixbufRenderer *pr = rt->pr;
+ gint nx, ny;
+
+ nx = CLAMP(x, 0, pr->width - 1);
+ ny = CLAMP(y, 0, pr->height - 1);
+ w -= (nx - x);
+ h -= (ny - y);
+ w = CLAMP(w, 0, pr->width - nx);
+ h = CLAMP(h, 0, pr->height - ny);
+ if (w < 1 || h < 1) return;
+
+ if (rt_queue_to_tiles(rt, nx, ny, w, h, clamp, render, new_data, only_existing) &&
+ ((!rt->draw_queue && !rt->draw_queue_2pass) || !rt->draw_idle_id))
+ {
+ if (rt->draw_idle_id)
+ {
+ g_source_remove(rt->draw_idle_id);
+ rt->draw_idle_id = 0;
+ }
+ rt_queue_schedule_next_draw(rt, TRUE);
+ }
+}
+
+static void rt_redraw(RendererTiles *rt, gboolean new_data)
+{
+ PixbufRenderer *pr = rt->pr;
+ rt_queue_clear(rt);
+ rt_queue(rt, 0, 0, pr->width, pr->height, TRUE, TILE_RENDER_ALL, new_data, FALSE);
+}
+
+
+static void rt_scroll(RendererTiles *rt, gint x_off, gint y_off)
+{
+ PixbufRenderer *pr = rt->pr;
+
+ gint w = pr->vis_width - abs(x_off);
+ gint h = pr->vis_height - abs(y_off);
+
+ if (w < 1 || h < 1)
+ {
+ /* scrolled completely to new material */
+ pr->renderer->queue(pr->renderer, 0, 0, pr->width, pr->height, TRUE, TILE_RENDER_ALL, FALSE, FALSE);
+ return;
+ }
+ else
+ {
+ gint x1, y1;
+ gint x2, y2;
+ GtkWidget *box;
+ GdkGC *gc;
+ GdkEvent *event;
+
+ if (x_off < 0)
+ {
+ x1 = abs(x_off);
+ x2 = 0;
+ }
+ else
+ {
+ x1 = 0;
+ x2 = abs(x_off);
+ }
+
+ if (y_off < 0)
+ {
+ y1 = abs(y_off);
+ y2 = 0;
+ }
+ else
+ {
+ y1 = 0;
+ y2 = abs(y_off);
+ }
+
+ box = GTK_WIDGET(pr);
+
+ gc = gdk_gc_new(box->window);
+ gdk_gc_set_exposures(gc, TRUE);
+ gdk_draw_drawable(box->window, gc,
+ box->window,
+ x2 + pr->x_offset, y2 + pr->y_offset,
+ x1 + pr->x_offset, y1 + pr->y_offset, w, h);
+ g_object_unref(gc);
+
+ rt_overlay_queue_all(rt, x2, y2, x1, y1);
+
+ w = pr->vis_width - w;
+ h = pr->vis_height - h;
+
+ if (w > 0)
+ {
+ rt_queue(rt,
+ x_off > 0 ? pr->x_scroll + (pr->vis_width - w) : pr->x_scroll, pr->y_scroll,
+ w, pr->vis_height, TRUE, TILE_RENDER_ALL, FALSE, FALSE);
+ }
+ if (h > 0)
+ {
+ /* FIXME, to optimize this, remove overlap */
+ rt_queue(rt,
+ pr->x_scroll, y_off > 0 ? pr->y_scroll + (pr->vis_height - h) : pr->y_scroll,
+ pr->vis_width, h, TRUE, TILE_RENDER_ALL, FALSE, FALSE);
+ }
+
+ /* process exposures here, "expose_event" seems to miss a few with obstructed windows */
+#if ! GTK_CHECK_VERSION(2,18,0)
+ while ((event = gdk_event_get_graphics_expose(box->window)) != NULL)
+ {
+ pixbuf_renderer_paint(pr, &event->expose.area);
+
+ if (event->expose.count == 0)
+ {
+ gdk_event_free(event);
+ break;
+ }
+ gdk_event_free(event);
+ }
+#endif
+ }
+}
+
+static void renderer_queue(void *renderer, gint x, gint y, gint w, gint h,
+ gint clamp, ImageRenderType render, gboolean new_data, gboolean only_existing)
+{
+ rt_queue((RendererTiles *)renderer, x, y, w, h, clamp, render, new_data, only_existing);
+}
+
+static void renderer_queue_clear(void *renderer)
+{
+ rt_queue_clear((RendererTiles *)renderer);
+}
+
+static void renderer_border_draw(void *renderer, gint x, gint y, gint w, gint h)
+{
+ rt_border_draw((RendererTiles *)renderer, x, y, w, h);
+}
+
+
+static void renderer_invalidate_all(void *renderer)
+{
+ rt_tile_invalidate_all((RendererTiles *)renderer);
+}
+
+static void renderer_invalidate_region(void *renderer, gint x, gint y, gint w, gint h)
+{
+ rt_tile_invalidate_region((RendererTiles *)renderer, x, y, w, h);
+}
+
+static void renderer_overlay_draw(void *renderer, gint x, gint y, gint w, gint h)
+{
+ rt_overlay_draw((RendererTiles *)renderer, x, y, w, h, NULL);
+}
+
+static void renderer_free(void *renderer)
+{
+ RendererTiles *rt = (RendererTiles *)renderer;
+ rt_queue_clear(rt);
+ rt_tile_free_all(rt);
+ if (rt->spare_tile) g_object_unref(rt->spare_tile);
+ if (rt->overlay_buffer) g_object_unref(rt->overlay_buffer);
+ rt_overlay_list_clear(rt);
+ /* disconnect "hierarchy-changed" */
+ g_signal_handlers_disconnect_matched(G_OBJECT(rt->pr), G_SIGNAL_MATCH_DATA,
+ 0, 0, 0, NULL, rt);
+ g_free(rt);
+}
+
+RendererFuncs *renderer_tiles_new(PixbufRenderer *pr)
+{
+ RendererTiles *rt = g_new0(RendererTiles, 1);
+
+ rt->pr = pr;
+
+ rt->f.queue = renderer_queue;
+ rt->f.queue_clear = renderer_queue_clear;
+ rt->f.border_draw = renderer_border_draw;
+ rt->f.free = renderer_free;
+ rt->f.invalidate_all = renderer_invalidate_all;
+ rt->f.invalidate_region = renderer_invalidate_region;
+ rt->f.scroll = rt_scroll;
+
+
+ rt->f.overlay_add = renderer_tiles_overlay_add;
+ rt->f.overlay_set = renderer_tiles_overlay_set;
+ rt->f.overlay_get = renderer_tiles_overlay_get;
+ rt->f.overlay_update_sizes = rt_overlay_update_sizes;
+ rt->f.overlay_draw = renderer_overlay_draw;
+
+ rt->tile_width = PR_TILE_SIZE;
+ rt->tile_height = PR_TILE_SIZE;
+
+ rt->tiles = NULL;
+ rt->tile_cache_size = 0;
+
+ rt->tile_cache_max = PR_CACHE_SIZE_DEFAULT;
+
+ rt->draw_idle_id = 0;
+
+ g_signal_connect(G_OBJECT(pr), "hierarchy-changed",
+ G_CALLBACK(rt_hierarchy_changed_cb), rt);
+
+ return (RendererFuncs *) rt;
+}
+
+
+/* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */
projects / geeqie.git / commitdiff