/*
* GQview
- * (C) 2004 John Ellis
+ * (C) 2005 John Ellis
*
* Author: John Ellis
*
#include "image-load.h"
#include "collect.h"
#include "exif.h"
+#include "pixbuf-renderer.h"
#include "pixbuf_util.h"
#include "ui_fileops.h"
#include <math.h>
-/* size to use when breaking up image pane for rendering */
-#define IMAGE_TILE_SIZE 512
-
-/* default min and max zoom */
-#define IMAGE_ZOOM_MIN -32.0
-#define IMAGE_ZOOM_MAX 32.0
-
/* size of the image loader buffer (512 bytes x defined number) */
#define IMAGE_LOAD_BUFFER_COUNT 8
/* the file size at which throttling take place */
#define IMAGE_THROTTLE_THRESHOLD 1048576
-/* distance to drag mouse to disable image flip */
-#define IMAGE_DRAG_SCROLL_THRESHHOLD 4
-
-/* increase pan rate when holding down shift */
-#define IMAGE_PAN_SHIFT_MULTIPLIER 6
-
-/* alpha channel checkerboard background (same as gimp) */
-#define IMAGE_ALPHA_CHECK1 0x00999999
-#define IMAGE_ALPHA_CHECK2 0x00666666
-#define IMAGE_ALPHA_CHECK_SIZE 16
-
#define IMAGE_AUTO_REFRESH_TIME 3000
-/* 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 IMAGE_MIN_SCALE_SIZE 8
-
-typedef enum {
- TILE_RENDER_NONE = 0, /* do nothing */
- TILE_RENDER_AREA, /* render an area of the tile */
- TILE_RENDER_ALL /* render the whole tile */
-} TileRenderType;
+/*
+ *-------------------------------------------------------------------
+ * 'signals'
+ *-------------------------------------------------------------------
+ */
-typedef struct _ImageTile ImageTile;
-struct _ImageTile
+static void image_click_cb(PixbufRenderer *pr, GdkEventButton *event, gpointer data)
{
- 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 '' */
-
- gint 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*
-*/
+ ImageWindow *imd = data;
- TileRenderType render_todo; /* what to do (see above) */
- TileRenderType render_done; /* highest that has been done before on tile */
-};
+ if (imd->func_button)
+ {
+ imd->func_button(imd, event->button, event->time,
+ event->x, event->y, event->state, imd->data_button);
+ }
+}
-typedef struct _QueueData QueueData;
-struct _QueueData
+static void image_scroll_notify_cb(PixbufRenderer *pr, gpointer data)
{
- ImageTile *it;
- gint x;
- gint y;
- gint w;
- gint h;
- gint new_data;
-};
+ ImageWindow *imd = data;
-typedef struct _CacheData CacheData;
-struct _CacheData
-{
- GdkPixmap *pixmap;
- GdkPixbuf *pixbuf;
- ImageTile *it;
- guint size;
-};
+ if (imd->func_scroll_notify && pr->scale)
+ {
+ imd->func_scroll_notify(imd,
+ (gint)((gdouble)pr->x_scroll / pr->scale),
+ (gint)((gdouble)pr->y_scroll / pr->scale),
+ (gint)((gdouble)pr->image_width - pr->vis_width / pr->scale),
+ (gint)((gdouble)pr->image_height - pr->vis_height / pr->scale),
+ imd->data_scroll_notify);
+ }
+}
-typedef struct _OverlayData OverlayData;
-struct _OverlayData
+static void image_update_util(ImageWindow *imd)
{
- gint id;
-
- GdkPixbuf *pixbuf;
+ if (imd->func_update) imd->func_update(imd, imd->data_update);
+}
- gint x;
- gint y;
- gint relative; /* x,y coordinates are relative, negative values start bottom right */
+static void image_complete_util(ImageWindow *imd, gint preload)
+{
+ if (imd->il && image_get_pixbuf(imd) != image_loader_get_pixbuf(imd->il)) return;
- gint visible;
- gint always; /* hide temporarily when scrolling */
-};
+ if (debug) printf("image load completed \"%s\" (%s)\n",
+ (preload) ? imd->read_ahead_path : imd->image_path,
+ (preload) ? "preload" : "current");
-/* needed to be declared before the source_tile stuff */
-static void image_pixbuf_sync(ImageWindow *imd, gdouble zoom, gint blank, gint new);
-static void image_zoom_sync(ImageWindow *imd, gdouble zoom,
- gint force, gint blank, gint new,
- gint center_point, gint px, gint py);
-static void image_queue(ImageWindow *imd, gint x, gint y, gint w, gint h,
- gint clamp, TileRenderType render, gint new_data);
+ if (!preload) imd->completed = TRUE;
+ if (imd->func_complete) imd->func_complete(imd, preload, imd->data_complete);
+}
-static gint util_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 image_new_util(ImageWindow *imd)
+{
+ if (imd->func_new) imd->func_new(imd, imd->data_new);
+}
/*
*-------------------------------------------------------------------
- * source tiles
+ * misc
*-------------------------------------------------------------------
*/
-typedef struct _SourceTile SourceTile;
-struct _SourceTile
-{
- gint x;
- gint y;
- GdkPixbuf *pixbuf;
- gint blank;
-};
-
-static void source_tile_free(SourceTile *st)
+static void image_update_title(ImageWindow *imd)
{
- if (!st) return;
-
- if (st->pixbuf) gdk_pixbuf_unref(st->pixbuf);
- g_free(st);
-}
+ gchar *title = NULL;
+ gchar *zoom = NULL;
+ gchar *collection = NULL;
-static void source_tile_free_all(ImageWindow *imd)
-{
- GList *work;
+ if (!imd->top_window) return;
- work = imd->source_tiles;
- while (work)
+ if (imd->collection && collection_to_number(imd->collection) >= 0)
{
- SourceTile *st = work->data;
- work = work->next;
-
- source_tile_free(st);
+ const gchar *name;
+ name = imd->collection->name;
+ if (!name) name = _("Untitled");
+ collection = g_strdup_printf(" (Collection %s)", name);
}
- g_list_free(imd->source_tiles);
- imd->source_tiles = NULL;
-}
-
-static gint source_tile_visible(ImageWindow *imd, SourceTile *st)
-{
- gint x, y, w, h;
+ if (imd->title_show_zoom)
+ {
+ gchar *buf = image_zoom_get_as_text(imd);
+ zoom = g_strconcat(" [", buf, "]", NULL);
+ g_free(buf);
+ }
- if (!st) return FALSE;
+ title = g_strdup_printf("%s%s%s%s%s%s",
+ imd->title ? imd->title : "",
+ imd->image_name ? imd->image_name : "",
+ zoom ? zoom : "",
+ collection ? collection : "",
+ imd->image_name ? " - " : "",
+ imd->title_right ? imd->title_right : "");
- x = (imd->x_scroll / IMAGE_TILE_SIZE) * IMAGE_TILE_SIZE;
- y = (imd->y_scroll / IMAGE_TILE_SIZE) * IMAGE_TILE_SIZE;
- w = ((imd->x_scroll + imd->vis_width) / IMAGE_TILE_SIZE) * IMAGE_TILE_SIZE + IMAGE_TILE_SIZE;
- h = ((imd->y_scroll + imd->vis_height) / IMAGE_TILE_SIZE) * IMAGE_TILE_SIZE + IMAGE_TILE_SIZE;
+ gtk_window_set_title(GTK_WINDOW(imd->top_window), title);
- return !((double)st->x * imd->scale < (double)x ||
- (double)(st->x + imd->source_tile_width) * imd->scale > (double)w ||
- (double)st->y * imd->scale < (double)y ||
- (double)(st->y + imd->source_tile_height) * imd->scale > (double)h);
+ g_free(title);
+ g_free(zoom);
+ g_free(collection);
}
-static SourceTile *source_tile_new(ImageWindow *imd, gint x, gint y)
-{
- SourceTile *st = NULL;
- gint count;
-
- if (imd->source_tiles_cache_size < 4) imd->source_tiles_cache_size = 4;
-
- if (imd->source_tile_width < 1 || imd->source_tile_height < 1)
- {
- printf("warning: source tile size too small %d x %d\n", imd->source_tile_width, imd->source_tile_height);
- return NULL;
- }
+/*
+ *-------------------------------------------------------------------
+ * rotation, flip, etc.
+ *-------------------------------------------------------------------
+ */
- count = g_list_length(imd->source_tiles);
- if (count >= imd->source_tiles_cache_size)
- {
- GList *work;
+static void image_alter_real(ImageWindow *imd, AlterType type, gint clamp)
+{
+ PixbufRenderer *pr;
+ GdkPixbuf *new = NULL;
+ gint x, y;
+ gint t;
- work = g_list_last(imd->source_tiles);
- while (work && count >= imd->source_tiles_cache_size)
- {
- SourceTile *needle;
+ pr = (PixbufRenderer *)imd->pr;
- needle = work->data;
- work = work->prev;
+ imd->delay_alter_type = ALTER_NONE;
- if (!source_tile_visible(imd, needle))
- {
- imd->source_tiles = g_list_remove(imd->source_tiles, needle);
-
- if (imd->func_tile_dispose)
- {
- if (debug) printf("tile dispose: %d x %d @ %d x %d\n",
- needle->x, needle->y, imd->x_scroll, imd->y_scroll);
- imd->func_tile_dispose(imd, needle->x, needle->y,
- imd->source_tile_width, imd->source_tile_height,
- needle->pixbuf, imd->data_tile);
- }
-
- if (!st)
- {
- st = needle;
- }
- else
- {
- source_tile_free(needle);
- }
-
- count--;
- }
- else if (debug)
- {
- printf("we still think %d x %d is visble\n", needle->x, needle->y);
- }
- }
+ if (!pr->pixbuf) return;
- if (debug)
- {
- printf("cache count %d, max is %d\n", count, imd->source_tiles_cache_size);
- }
- }
+ x = pr->x_scroll + (pr->vis_width / 2);
+ y = pr->y_scroll + (pr->vis_height / 2);
- if (!st)
+ switch (type)
{
- st = g_new0(SourceTile, 1);
- st->pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8,
- imd->source_tile_width, imd->source_tile_height);
+ case ALTER_ROTATE_90:
+ new = pixbuf_copy_rotate_90(pr->pixbuf, FALSE);
+ t = x;
+ x = pr->height - y;
+ y = t;
+ break;
+ case ALTER_ROTATE_90_CC:
+ new = pixbuf_copy_rotate_90(pr->pixbuf, TRUE);
+ t = x;
+ x = y;
+ y = pr->width - t;
+ break;
+ case ALTER_ROTATE_180:
+ new = pixbuf_copy_mirror(pr->pixbuf, TRUE, TRUE);
+ x = pr->width - x;
+ y = pr->height - y;
+ break;
+ case ALTER_MIRROR:
+ new = pixbuf_copy_mirror(pr->pixbuf, TRUE, FALSE);
+ x = pr->width - x;
+ break;
+ case ALTER_FLIP:
+ new = pixbuf_copy_mirror(pr->pixbuf, FALSE, TRUE);
+ y = pr->height - y;
+ break;
+ case ALTER_NONE:
+ default:
+ return;
+ break;
}
- st->x = (x / imd->source_tile_width) * imd->source_tile_width;
- st->y = (y / imd->source_tile_height) * imd->source_tile_height;
- st->blank = TRUE;
+ if (!new) return;
- imd->source_tiles = g_list_prepend(imd->source_tiles, st);
+ pixbuf_renderer_set_pixbuf(pr, new, pr->zoom);
+ g_object_unref(new);
- if (debug)
+ if (clamp && pr->zoom != 0.0)
{
- printf("tile request: %d x %d\n", st->x, st->y);
- if (!source_tile_visible(imd, st)) printf("tile request for invisible tile!\n");
+ pixbuf_renderer_scroll(pr, x - (pr->vis_width / 2), y - (pr->vis_height / 2));
}
-
- return st;
}
-static void image_tile_invalidate(ImageWindow *imd, gint x, gint y, gint w, gint h)
+static void image_post_process(ImageWindow *imd, gint clamp)
{
- gint i, j;
- gint x1, x2;
- gint y1, y2;
- GList *work;
-
- x1 = (gint)floor(x / imd->tile_width) * imd->tile_width;
- x2 = (gint)ceil((x + w) / imd->tile_width) * imd->tile_width;
-
- y1 = (gint)floor(y / imd->tile_height) * imd->tile_height;
- y2 = (gint)ceil((y + h) / imd->tile_height) * imd->tile_height;
-
- work = g_list_nth(imd->tiles, y1 / imd->tile_height * imd->tile_cols + (x1 / imd->tile_width));
- for (j = y1; j <= y2; j += imd->tile_height)
+ if (exif_rotate_enable && image_get_pixbuf(imd))
{
- GList *tmp;
- tmp = work;
- for (i = x1; i <= x2; i += imd->tile_width)
+ ExifData *ed;
+ gint orientation;
+
+ ed = exif_read(imd->image_path);
+ if (ed && exif_get_integer(ed, "Orientation", &orientation))
{
- if (tmp)
- {
- ImageTile *it = tmp->data;
+ /* see http://jpegclub.org/exif_orientation.html
+ 1 2 3 4 5 6 7 8
- it->render_done = TILE_RENDER_NONE;
- it->render_todo = TILE_RENDER_ALL;
+ 888888 888888 88 88 8888888888 88 88 8888888888
+ 88 88 88 88 88 88 88 88 88 88 88 88
+ 8888 8888 8888 8888 88 8888888888 8888888888 88
+ 88 88 88 88
+ 88 88 888888 888888
+ */
- tmp = tmp->next;
+ switch (orientation)
+ {
+ case EXIF_ORIENTATION_TOP_LEFT:
+ /* normal -- nothing to do */
+ break;
+ case EXIF_ORIENTATION_TOP_RIGHT:
+ /* mirrored */
+ imd->delay_alter_type = ALTER_MIRROR;
+ break;
+ case EXIF_ORIENTATION_BOTTOM_RIGHT:
+ /* upside down */
+ imd->delay_alter_type = ALTER_ROTATE_180;
+ break;
+ case EXIF_ORIENTATION_BOTTOM_LEFT:
+ /* flipped */
+ imd->delay_alter_type = ALTER_FLIP;
+ break;
+ case EXIF_ORIENTATION_LEFT_TOP:
+ /* not implemented -- too wacky to fix in one step */
+ break;
+ case EXIF_ORIENTATION_RIGHT_TOP:
+ /* rotated -90 (270) */
+ imd->delay_alter_type = ALTER_ROTATE_90;
+ break;
+ case EXIF_ORIENTATION_RIGHT_BOTTOM:
+ /* not implemented -- too wacky to fix in one step */
+ break;
+ case EXIF_ORIENTATION_LEFT_BOTTOM:
+ /* rotated 90 */
+ imd->delay_alter_type = ALTER_ROTATE_90_CC;
+ break;
+ default:
+ /* The other values are out of range */
+ break;
}
}
- work = g_list_nth(work, imd->tile_cols); /* step 1 row */
+ exif_free(ed);
}
-}
-
-static SourceTile *source_tile_request(ImageWindow *imd, gint x, gint y)
-{
- SourceTile *st;
-
- st = source_tile_new(imd, x, y);
- if (imd->func_tile_request &&
- imd->func_tile_request(imd, st->x, st->y,
- imd->source_tile_width, imd->source_tile_height, st->pixbuf, imd->data_tile))
+ if (imd->delay_alter_type != ALTER_NONE)
{
- st->blank = FALSE;
+ image_alter_real(imd, imd->delay_alter_type, clamp);
}
-#if 0
- /* fixme: somehow invalidate the new st region */
- image_queue(imd, st->x, st->y, imd->source_tile_width, imd->source_tile_height, FALSE, TILE_RENDER_AREA, TRUE);
-#endif
- image_tile_invalidate(imd, st->x * imd->scale, st->y * imd->scale,
- imd->source_tile_width * imd->scale, imd->source_tile_height * imd->scale);
-
- return st;
}
-static SourceTile *source_tile_find(ImageWindow *imd, gint x, gint y)
-{
- GList *work;
+/*
+ *-------------------------------------------------------------------
+ * read ahead (prebuffer)
+ *-------------------------------------------------------------------
+ */
- work = imd->source_tiles;
- while (work)
- {
- SourceTile *st = work->data;
+static void image_read_ahead_cancel(ImageWindow *imd)
+{
+ if (debug) printf("read ahead cancelled for :%s\n", imd->read_ahead_path);
- if (x >= st->x && x < st->x + imd->source_tile_width &&
- y >= st->y && y < st->y + imd->source_tile_height)
- {
- if (work != imd->source_tiles)
- {
- imd->source_tiles = g_list_remove_link(imd->source_tiles, work);
- imd->source_tiles = g_list_concat(work, imd->source_tiles);
- }
- return st;
- }
+ image_loader_free(imd->read_ahead_il);
+ imd->read_ahead_il = NULL;
- work = work->next;
- }
+ if (imd->read_ahead_pixbuf) g_object_unref(imd->read_ahead_pixbuf);
+ imd->read_ahead_pixbuf = NULL;
- return NULL;
+ g_free(imd->read_ahead_path);
+ imd->read_ahead_path = NULL;
}
-static GList *source_tile_compute_region(ImageWindow *imd, gint x, gint y, gint w, gint h, gint request)
+static void image_read_ahead_done_cb(ImageLoader *il, gpointer data)
{
- gint x1, y1;
- GList *list = NULL;
- gint sx, sy;
-
- if (x < 0) x = 0;
- if (y < 0) y = 0;
- if (w > imd->image_width) w = imd->image_width;
- if (h > imd->image_height) h = imd->image_height;
+ ImageWindow *imd = data;
- sx = (x / imd->source_tile_width) * imd->source_tile_width;
- sy = (y / imd->source_tile_height) * imd->source_tile_height;
+ if (debug) printf("read ahead done for :%s\n", imd->read_ahead_path);
- for (x1 = sx; x1 < x + w; x1+= imd->source_tile_width)
+ imd->read_ahead_pixbuf = image_loader_get_pixbuf(imd->read_ahead_il);
+ if (imd->read_ahead_pixbuf)
{
- for (y1 = sy; y1 < y + h; y1 += imd->source_tile_height)
- {
- SourceTile *st;
-
- st = source_tile_find(imd, x1, y1);
- if (!st && request) st = source_tile_request(imd, x1, y1);
-
- if (st) list = g_list_prepend(list, st);
- }
+ g_object_ref(imd->read_ahead_pixbuf);
+ }
+ else
+ {
+ imd->read_ahead_pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN);
}
+ image_loader_free(imd->read_ahead_il);
+ imd->read_ahead_il = NULL;
- return g_list_reverse(list);
+ image_complete_util(imd, TRUE);
}
-static void source_tile_changed(ImageWindow *imd, gint x, gint y, gint width, gint height)
+static void image_read_ahead_error_cb(ImageLoader *il, gpointer data)
{
- GList *work;
-
- work = imd->source_tiles;
- while (work)
- {
- SourceTile *st;
- gint rx, ry, rw, rh;
-
- st = work->data;
- work = work->next;
-
- if (util_clip_region(st->x, st->y, imd->source_tile_width, imd->source_tile_height,
- x, y, width, height,
- &rx, &ry, &rw, &rh))
- {
- GdkPixbuf *pixbuf;
-
- pixbuf = gdk_pixbuf_new_subpixbuf(st->pixbuf, rx - st->x, ry - st->y, rw, rh);
- if (imd->func_tile_request &&
- imd->func_tile_request(imd, rx, ry, rw, rh, pixbuf, imd->data_tile))
- {
- image_tile_invalidate(imd, rx * imd->scale, ry * imd->scale, rw * imd->scale, rh * imd->scale);
- }
- g_object_unref(pixbuf);
- }
- }
+ /* we even treat errors as success, maybe at least some of the file was ok */
+ image_read_ahead_done_cb(il, data);
}
-
-static gint source_tile_render(ImageWindow *imd, ImageTile *it,
- gint x, gint y, gint w, gint h,
- gint new_data, gint fast)
+static void image_read_ahead_start(ImageWindow *imd)
{
- GList *list;
- GList *work;
- gint draw = FALSE;
+ /* already started ? */
+ if (!imd->read_ahead_path || imd->read_ahead_il || imd->read_ahead_pixbuf) return;
- if (imd->zoom == 1.0 || imd->scale == 1.0)
- {
- list = source_tile_compute_region(imd, it->x + x, it->y + y, w, h, TRUE);
- work = list;
- while (work)
- {
- SourceTile *st;
- gint rx, ry, rw, rh;
+ /* still loading ?, do later */
+ if (imd->il) return;
- st = work->data;
- work = work->next;
+ if (debug) printf("read ahead started for :%s\n", imd->read_ahead_path);
- if (util_clip_region(st->x, st->y, imd->source_tile_width, imd->source_tile_height,
- it->x + x, it->y + y, w, h,
- &rx, &ry, &rw, &rh))
- {
- if (st->blank)
- {
- gdk_draw_rectangle(it->pixmap, imd->image->style->black_gc, TRUE,
- rx - st->x, ry - st->y, rw, rh);
- }
- else /* (imd->zoom == 1.0 || imd->scale == 1.0) */
- {
- gdk_draw_pixbuf(it->pixmap,
- imd->image->style->fg_gc[GTK_WIDGET_STATE(imd->image)],
- st->pixbuf,
- rx - st->x, ry - st->y,
- rx - it->x, ry - it->y,
- rw, rh,
- (GdkRgbDither)dither_quality, rx, ry);
- }
- }
- }
- }
- else
- {
- double scale_x, scale_y;
- gint sx, sy, sw, sh;
-
- if (imd->image_width == 0 || imd->image_height == 0) return FALSE;
- scale_x = (double)imd->width / imd->image_width;
- scale_y = (double)imd->height / imd->image_height;
-
- sx = (double)(it->x + x) / scale_x;
- sy = (double)(it->y + y) / scale_y;
- sw = (double)w / scale_x;
- sh = (double)h / scale_y;
-
- if (imd->width < IMAGE_MIN_SCALE_SIZE || imd->height < IMAGE_MIN_SCALE_SIZE) fast = TRUE;
-
-#if 0
- /* draws red over draw region, to check for leaks (regions not filled) */
- pixbuf_draw_rect(it->pixbuf, x, y, w, h, 255, 0, 0, 255, FALSE);
-#endif
-
- list = source_tile_compute_region(imd, 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((double)st->x * scale_x);
- sty = floor((double)st->y * scale_y);
- stw = ceil ((double)(st->x + imd->source_tile_width) * scale_x) - stx;
- sth = ceil ((double)(st->y + imd->source_tile_height) * scale_y) - sty;
-
- if (util_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, imd->image->style->black_gc, TRUE,
- rx - st->x, ry - st->y, rw, rh);
- }
- else
- {
- double offset_x;
- double offset_y;
-
- /* may need to use unfloored stx,sty values here */
- offset_x = ((double)stx < (double)it->x) ?
- (double)stx - (double)it->x : 0.0;
- offset_y = ((double)sty < (double)it->y) ?
- (double)sty - (double)it->y : 0.0;
-
- gdk_pixbuf_scale(st->pixbuf, it->pixbuf, rx - it->x, ry - it->y, rw, rh,
- (double) 0.0 + rx - it->x + offset_x,
- (double) 0.0 + ry - it->y + offset_y,
- scale_x, scale_y,
- (fast) ? GDK_INTERP_NEAREST : (GdkInterpType)zoom_quality);
- draw = TRUE;
- }
- }
- }
- }
-
- g_list_free(list);
-
- return draw;
-}
-
-static void image_source_tile_unset(ImageWindow *imd)
-{
- source_tile_free_all(imd);
-
- imd->source_tiles_enabled = FALSE;
-}
-
-void image_set_image_as_tiles(ImageWindow *imd, gint width, gint height,
- gint tile_width, gint tile_height, gint cache_size,
- ImageTileRequestFunc func_tile_request,
- ImageTileDisposeFunc func_tile_dispose,
- gpointer data,
- gdouble zoom)
-{
- /* FIXME: unset any current image */
- image_source_tile_unset(imd);
-
- if (tile_width < 32 || tile_height < 32)
- {
- printf("warning: tile size too small %d x %d (min 32x32)\n", tile_width, tile_height);
- return;
- }
- if (width < 32 || height < 32)
- {
- printf("warning: tile canvas too small %d x %d (min 32x32)\n", width, height);
- return;
- }
- if (!func_tile_request)
- {
- printf("warning: tile request function is null\n");
- }
-
- printf("Setting source tiles to size %d x %d, grid is %d x %d\n", tile_width, tile_height, width, height);
-
- if (cache_size < 4) cache_size = 4;
-
- imd->source_tiles_enabled = TRUE;
- imd->source_tiles_cache_size = cache_size;
- imd->source_tile_width = tile_width;
- imd->source_tile_height = tile_height;
-
- imd->image_width = width;
- imd->image_height = height;
-
- imd->func_tile_request = func_tile_request;
- imd->func_tile_dispose = func_tile_dispose;
- imd->data_tile = data;
-
- image_zoom_sync(imd, zoom, TRUE, FALSE, TRUE, FALSE, 0, 0);
-}
-
-
-static void image_queue_clear(ImageWindow *imd);
-
-static void image_update_title(ImageWindow *imd);
-static void image_update_util(ImageWindow *imd);
-static void image_complete_util(ImageWindow *imd, gint preload);
-
-static void image_button_do(ImageWindow *imd, GdkEventButton *bevent);
-
-static void image_overlay_draw(ImageWindow *imd, gint x, gint y, gint w, gint h);
-static void image_overlay_queue_all(ImageWindow *imd);
-
-static void image_scroller_timer_set(ImageWindow *imd, gint start);
-
-
-static gint util_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)
-{
- if (clip_x + clip_w <= x ||
- clip_x >= x + w ||
- clip_y + clip_h <= y ||
- clip_y >= y + h)
- {
- return FALSE;
- }
-
- *rx = MAX(x, clip_x);
- *rw = MIN((x + w), (clip_x + clip_w)) - *rx;
-
- *ry = MAX(y, clip_y);
- *rh = MIN((y + h), (clip_y + clip_h)) - *ry;
-
- return TRUE;
-}
-
-
-/*
- *-------------------------------------------------------------------
- * tile cache
- *-------------------------------------------------------------------
- */
-
-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 image_tile_cache_remove(ImageWindow *imd, ImageTile *it)
-{
- GList *work;
-
- work = imd->tile_cache;
- while(work)
- {
- CacheData *cd = work->data;
- work = work->next;
-
- if (cd->it == it)
- {
- imd->tile_cache = g_list_remove(imd->tile_cache, cd);
- imd->tile_cache_size -= cd->size;
- g_free(cd);
- }
- }
-}
-
-static void image_tile_cache_free(ImageWindow *imd, CacheData *cd)
-{
- imd->tile_cache = g_list_remove(imd->tile_cache, cd);
- if (cd->pixmap)
- {
- g_object_unref(cd->it->pixmap);
- cd->it->pixmap = NULL;
- cd->it->render_done = TILE_RENDER_NONE;
- }
- if (cd->pixbuf)
- {
- gdk_pixbuf_unref(cd->it->pixbuf);
- cd->it->pixbuf = NULL;
- }
- imd->tile_cache_size -= cd->size;
- g_free(cd);
-}
-
-static void image_tile_cache_free_space(ImageWindow *imd, gint space, ImageTile *it)
-{
- GList *work;
- gint tile_max;
-
- work = g_list_last(imd->tile_cache);
-
- if (imd->source_tiles_enabled && imd->scale < 1.0)
- {
- gint tiles;
-
- tiles = (imd->vis_width / IMAGE_TILE_SIZE + 1) * (imd->vis_width / IMAGE_TILE_SIZE + 1);
- tile_max = MAX(tiles * IMAGE_TILE_SIZE * IMAGE_TILE_SIZE * 3,
- (gint)((double)tile_cache_max * 1048576.0 * imd->scale));
- }
- else
- {
- tile_max = tile_cache_max * 1048576;
- }
-
- while (work && imd->tile_cache_size > 0 && imd->tile_cache_size + space > tile_max)
- {
- CacheData *cd = work->data;
- work = work->prev;
- if (cd->it != it) image_tile_cache_free(imd, cd);
- }
-}
-
-static void image_tile_cache_add(ImageWindow *imd, ImageTile *it,
- GdkPixmap *pixmap, GdkPixbuf *pixbuf, guint size)
-{
- CacheData *cd;
-
- cd = g_new(CacheData, 1);
- cd->pixmap = pixmap;
- cd->pixbuf = pixbuf;
- cd->it = it;
- cd->size = size;
-
- imd->tile_cache = g_list_prepend(imd->tile_cache, cd);
-
- imd->tile_cache_size += cd->size;
-}
-
-static void image_tile_prepare(ImageWindow *imd, ImageTile *it)
-{
- if (!it->pixmap)
- {
- GdkPixmap *pixmap;
- guint size;
-
- pixmap = gdk_pixmap_new(imd->image->window, imd->tile_width, imd->tile_height, -1);
-
- size = pixmap_calc_size(pixmap);
- image_tile_cache_free_space(imd, size, it);
-
- it->pixmap = pixmap;
- image_tile_cache_add(imd, it, pixmap, NULL, size);
- }
-
- if ((imd->zoom != 1.0 || imd->source_tiles_enabled || (imd->pixbuf && gdk_pixbuf_get_has_alpha(imd->pixbuf)) ) &&
- !it->pixbuf)
- {
- GdkPixbuf *pixbuf;
- guint size;
-
- if (imd->pixbuf)
- {
- pixbuf = gdk_pixbuf_new(gdk_pixbuf_get_colorspace(imd->pixbuf),
- gdk_pixbuf_get_has_alpha(imd->pixbuf),
- gdk_pixbuf_get_bits_per_sample(imd->pixbuf),
- imd->tile_width, imd->tile_height);
- }
- else
- {
- pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, imd->tile_width, imd->tile_height);
- }
-
- size = gdk_pixbuf_get_rowstride(pixbuf) * imd->tile_height;
- image_tile_cache_free_space(imd, size, it);
-
- it->pixbuf = pixbuf;
- image_tile_cache_add(imd, it, NULL, pixbuf, size);
- }
-}
-
-/*
- *-------------------------------------------------------------------
- * tiles
- *-------------------------------------------------------------------
- */
-
-static ImageTile *image_tile_new(gint w, gint h)
-{
- ImageTile *it;
-
- it = g_new0(ImageTile, 1);
- it->w = w;
- it->h = h;
- it->pixmap = NULL;
- it->pixbuf = NULL;
- it->blank = TRUE;
- it->render_todo = TILE_RENDER_NONE;
- it->render_done = TILE_RENDER_NONE;
-
- return it;
-}
-
-static void image_tile_free(ImageTile *it)
-{
- if (!it) return;
-
- if (it->pixbuf) gdk_pixbuf_unref(it->pixbuf);
- if (it->pixmap) g_object_unref(it->pixmap);
-
- g_free(it);
-}
-
-static void image_tile_sync_count(ImageWindow *imd, gint n)
-{
- gint l;
-
- l = g_list_length(imd->tiles);
-
- if (l == n) return;
-
- if (l < n)
- {
- while (l < n)
- {
- imd->tiles = g_list_prepend(imd->tiles, image_tile_new(imd->tile_width, imd->tile_height));
- l++;
- }
- }
- else
- {
- /* This should remove from the tail of the GList, but with large images there are many tiles,
- * making this significantly faster for those cases.
- */
- while (l > n && imd->tiles)
- {
- ImageTile *it = imd->tiles->data;
- imd->tiles = g_list_remove(imd->tiles, it);
- image_tile_cache_remove(imd, it);
- image_tile_free(it);
- l--;
- }
- }
-}
-
-static void image_tile_sync(ImageWindow *imd, gint width, gint height, gint blank)
-{
- gint rows;
- gint x, y;
- GList *work;
-
- imd->tile_cols = (width + imd->tile_width - 1) / imd->tile_width;
-
- rows = (height + imd->tile_height - 1) / imd->tile_height;
-
- image_tile_sync_count(imd, imd->tile_cols * rows);
-
- x = y = 0;
- work = imd->tiles;
- while(work)
- {
- ImageTile *it = work->data;
- work = work->next;
-
- it->x = x;
- it->y = y;
- if (x + imd->tile_width > width)
- {
- it->w = width - x;
- }
- else
- {
- it->w = imd->tile_width;
- }
- if (y + imd->tile_height > height)
- {
- it->h = height - y;
- }
- else
- {
- it->h = imd->tile_height;
- }
-
- it->blank = blank;
- it->render_todo = TILE_RENDER_NONE;
- it->render_done = TILE_RENDER_NONE;
-
- x += imd->tile_width;
- if (x >= width)
- {
- x = 0;
- y += imd->tile_height;
- }
- }
-
- /* all it's are now useless in queue */
- image_queue_clear(imd);
-}
-
-static void image_tile_render(ImageWindow *imd, ImageTile *it,
- gint x, gint y, gint w, gint h,
- gint new_data, gint fast)
-{
- gint has_alpha;
- gint 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;
-
- image_tile_prepare(imd, it);
- has_alpha = (imd->pixbuf && gdk_pixbuf_get_has_alpha(imd->pixbuf));
-
- /* 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, imd->image->style->black_gc, TRUE,
- 0, 0, it->w, it->h);
- }
- else if (imd->source_tiles_enabled)
- {
- draw = source_tile_render(imd, it, x, y, w, h, new_data, fast);
- }
- else if (imd->zoom == 1.0 || imd->scale == 1.0)
- {
- if (has_alpha)
- {
- gdk_pixbuf_composite_color(imd->pixbuf, it->pixbuf, x, y, w, h,
- (double) 0.0 - it->x,
- (double) 0.0 - it->y,
- 1.0, 1.0, GDK_INTERP_NEAREST,
- 255, it->x + x, it->y + y,
- IMAGE_ALPHA_CHECK_SIZE, IMAGE_ALPHA_CHECK1, IMAGE_ALPHA_CHECK2);
- draw = TRUE;
- }
- else
- {
- /* faster, simple */
- gdk_draw_pixbuf(it->pixmap,
- imd->image->style->fg_gc[GTK_WIDGET_STATE(imd->image)],
- imd->pixbuf,
- it->x + x, it->y + y,
- x, y,
- w, h,
- (GdkRgbDither)dither_quality, it->x + x, it->y + y);
- }
- }
- else
- {
- double scale_x, scale_y;
-
- if (imd->image_width == 0 || imd->image_height == 0) return;
- scale_x = (double)imd->width / imd->image_width;
- scale_y = (double)imd->height / imd->image_height;
-
- /* HACK: The pixbuf scalers get kinda buggy(crash) with extremely
- * small sizes for anything but GDK_INTERP_NEAREST
- */
- if (imd->width < IMAGE_MIN_SCALE_SIZE || imd->height < IMAGE_MIN_SCALE_SIZE) fast = TRUE;
-
- if (!has_alpha)
- {
- gdk_pixbuf_scale(imd->pixbuf, it->pixbuf, x, y, w, h,
- (double) 0.0 - it->x,
- (double) 0.0 - it->y,
- scale_x, scale_y,
- (fast) ? GDK_INTERP_NEAREST : (GdkInterpType)zoom_quality);
- }
- else
- {
- gdk_pixbuf_composite_color(imd->pixbuf, it->pixbuf, x, y, w, h,
- (double) 0.0 - it->x,
- (double) 0.0 - it->y,
- scale_x, scale_y,
- (fast) ? GDK_INTERP_NEAREST : (GdkInterpType)zoom_quality,
- 255, it->x + x, it->y + y,
- IMAGE_ALPHA_CHECK_SIZE, IMAGE_ALPHA_CHECK1, IMAGE_ALPHA_CHECK2);
- }
- draw = TRUE;
- }
-
- if (draw && it->pixbuf && !it->blank)
- {
- gdk_draw_pixbuf(it->pixmap,
- imd->image->style->fg_gc[GTK_WIDGET_STATE(imd->image)],
- it->pixbuf,
- x, y,
- x, y,
- w, h,
- (GdkRgbDither)dither_quality, it->x + x, it->y + y);
- }
-}
-
-static void image_tile_expose(ImageWindow *imd, ImageTile *it,
- gint x, gint y, gint w, gint h,
- gint new_data, gint fast)
-{
- image_tile_render(imd, it, x, y, w, h, new_data, fast);
-
- gdk_draw_drawable(imd->image->window, imd->image->style->fg_gc[GTK_WIDGET_STATE(imd->image)],
- it->pixmap, x, y,
- imd->x_offset + (it->x - imd->x_scroll) + x, imd->y_offset + (it->y - imd->y_scroll) + y, w, h);
-
- if (imd->overlay_list)
- {
- image_overlay_draw(imd, imd->x_offset + (it->x - imd->x_scroll) + x,
- imd->y_offset + (it->y - imd->y_scroll) + y,
- w, h);
- }
-}
-
-static gint image_tile_is_visible(ImageWindow *imd, ImageTile *it)
-{
- return (it->x + it->w >= imd->x_scroll && it->x <= imd->x_scroll + imd->window_width - imd->x_offset * 2 &&
- it->y + it->h >= imd->y_scroll && it->y <= imd->y_scroll + imd->window_height - imd->y_offset * 2);
-}
-
-/*
- *-------------------------------------------------------------------
- * render queue
- *-------------------------------------------------------------------
- */
-
-
-static gint image_queue_draw_idle_cb(gpointer data)
-{
- ImageWindow *imd = data;
- QueueData *qd;
- gint fast;
-
- if ((!imd->pixbuf && !imd->source_tiles_enabled) || (!imd->draw_queue && !imd->draw_queue_2pass) || imd->draw_idle_id == -1)
- {
- if (!imd->completed) image_complete_util(imd, FALSE);
-
- imd->draw_idle_id = -1;
- return FALSE;
- }
-
- if (imd->draw_queue)
- {
- qd = imd->draw_queue->data;
- fast = (two_pass_zoom && (GdkInterpType)zoom_quality != GDK_INTERP_NEAREST && imd->scale != 1.0);
- }
- else
- {
- if (imd->il)
- {
- /* still loading, wait till done (also drops the higher priority) */
-
- imd->draw_idle_id = g_idle_add_full(G_PRIORITY_DEFAULT_IDLE,
- image_queue_draw_idle_cb, imd, NULL);
- imd->draw_idle_high = FALSE;
- return FALSE;
- }
- qd = imd->draw_queue_2pass->data;
- fast = FALSE;
- }
-
- if (GTK_WIDGET_REALIZED(imd->image))
- {
- if (image_tile_is_visible(imd, qd->it))
- {
- image_tile_expose(imd, 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)
- {
- image_tile_render(imd, qd->it, qd->x, qd->y, qd->w, qd->h, qd->new_data, fast);
- }
- }
- }
-
- if (imd->draw_queue)
- {
- imd->draw_queue = g_list_remove(imd->draw_queue, qd);
- if (fast)
- {
- imd->draw_queue_2pass = g_list_append(imd->draw_queue_2pass, qd);
- }
- else
- {
- g_free(qd);
- }
- }
- else
- {
- imd->draw_queue_2pass = g_list_remove(imd->draw_queue_2pass, qd);
- g_free(qd);
- }
-
- if (!imd->draw_queue && !imd->draw_queue_2pass)
- {
- if (!imd->completed) image_complete_util(imd, FALSE);
-
- imd->draw_idle_id = -1;
- return FALSE;
- }
-
- return TRUE;
-}
-
-static QueueData *image_queue_combine(ImageWindow *imd, QueueData *qd)
-{
- QueueData *found = NULL;
- GList *work;
-
- work = imd->draw_queue;
- while (work && !found)
- {
- found = work->data;
- work = work->next;
-
- if (found->it != qd->it) found = NULL;
- }
-
- if (found)
- {
- if (found->x + found->w < qd->x + qd->w) found->w += (qd->x + qd->w) - (found->x + found->w);
- if (found->x > qd->x)
- {
- found->w += found->x - qd->x;
- found->x = qd->x;
- }
-
- if (found->y + found->h < qd->y + qd->h) found->h += (qd->y + qd->h) - (found->y + found->h);
- if (found->y > qd->y)
- {
- found->h += found->y - qd->y;
- found->y = qd->y;
- }
- found->new_data |= qd->new_data;
- }
-
- return found;
-}
-
-static gint image_clamp_to_visible(ImageWindow *imd, gint *x, gint *y, gint *w, gint *h)
-{
- gint nx, ny;
- gint nw, nh;
- gint vx, vy;
- gint vw, vh;
-
- vw = imd->vis_width;
- vh = imd->vis_height;
-
- vx = imd->x_scroll;
- vy = imd->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 gint image_queue_to_tiles(ImageWindow *imd, gint x, gint y, gint w, gint h,
- gint clamp, TileRenderType render, gint new_data)
-{
- gint i, j;
- gint x1, x2;
- gint y1, y2;
- GList *work;
-
- if (clamp && !image_clamp_to_visible(imd, &x, &y, &w, &h)) return FALSE;
-
- x1 = (gint)floor(x / imd->tile_width) * imd->tile_width;
- x2 = (gint)ceil((x + w) / imd->tile_width) * imd->tile_width;
-
- y1 = (gint)floor(y / imd->tile_height) * imd->tile_height;
- y2 = (gint)ceil((y + h) / imd->tile_height) * imd->tile_height;
-
- work = g_list_nth(imd->tiles, y1 / imd->tile_height * imd->tile_cols + (x1 / imd->tile_width));
- for (j = y1; j <= y2; j += imd->tile_height)
- {
- GList *tmp;
- tmp = work;
- for (i = x1; i <= x2; i += imd->tile_width)
- {
- if (tmp)
- {
- ImageTile *it = tmp->data;
- 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 > imd->tile_width) qd->w = imd->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 > imd->tile_height) qd->h = imd->tile_height - qd->y;
-
- if (qd->w < 1 || qd->h < 1 || /* <--- sanity checks, rare cases cause this */
- image_queue_combine(imd, qd))
- {
- g_free(qd);
- }
- else
- {
- imd->draw_queue = g_list_append(imd->draw_queue, qd);
- }
-
- tmp = tmp->next;
- }
- }
- work = g_list_nth(work, imd->tile_cols); /* step 1 row */
- }
-
- return TRUE;
-}
-
-static void image_queue(ImageWindow *imd, gint x, gint y, gint w, gint h,
- gint clamp, TileRenderType render, gint new_data)
-{
- gint nx, ny;
-
- nx = CLAMP(x, 0, imd->width - 1);
- ny = CLAMP(y, 0, imd->height - 1);
- w -= (nx - x);
- h -= (ny - y);
- w = CLAMP(w, 0, imd->width - nx);
- h = CLAMP(h, 0, imd->height - ny);
- if (w < 1 || h < 1) return;
-
- if (image_queue_to_tiles(imd, nx, ny, w, h, clamp, render, new_data) &&
- ((!imd->draw_queue && !imd->draw_queue_2pass) || imd->draw_idle_id == -1 || !imd->draw_idle_high))
- {
- if (imd->draw_idle_id != -1) g_source_remove(imd->draw_idle_id);
- imd->draw_idle_id = g_idle_add_full(GDK_PRIORITY_REDRAW,
- image_queue_draw_idle_cb, imd, NULL);
- imd->draw_idle_high = TRUE;
- }
-}
-
-static void image_queue_list_free(GList *list)
-{
- GList *work;
-
- work = list;
- while (work)
- {
- QueueData *qd;
-
- qd = work->data;
- work = work->next;
- g_free(qd);
- }
-
- g_list_free(list);
-}
-
-static void image_queue_clear(ImageWindow *imd)
-{
- image_queue_list_free(imd->draw_queue);
- imd->draw_queue = NULL;
-
- image_queue_list_free(imd->draw_queue_2pass);
- imd->draw_queue_2pass = NULL;
-
- if (imd->draw_idle_id != -1) g_source_remove(imd->draw_idle_id);
- imd->draw_idle_id = -1;
-}
-
-/*
- *-------------------------------------------------------------------
- * core calculations
- *-------------------------------------------------------------------
- */
-
-static gint image_top_window_sizable(ImageWindow *imd)
-{
- if (!imd->top_window) return FALSE;
- if (!fit_window) return FALSE;
- if (!imd->top_window_sync) return FALSE;
- if (!imd->image->window) return FALSE;
- if (window_maximized(imd->top_window)) return FALSE;
-
- return TRUE;
-}
-
-static gint image_size_top_window(ImageWindow *imd, gint w, gint h)
-{
- gint ww, wh;
-
- if (!image_top_window_sizable(imd)) return FALSE;
-
- if (limit_window_size)
- {
- gint sw = gdk_screen_width() * max_window_size / 100;
- gint sh = gdk_screen_height() * max_window_size / 100;
-
- if (w > sw) w = sw;
- if (h > sh) h = sh;
- }
-
- w += (imd->top_window->allocation.width - imd->image->allocation.width);
- h += (imd->top_window->allocation.height - imd->image->allocation.height);
-
- gdk_drawable_get_size(imd->top_window->window, &ww, &wh);
- if (w == ww && h == wh) return FALSE;
-
- gdk_window_resize(imd->top_window->window, w, h);
-
- return TRUE;
-}
-
-static void image_redraw(ImageWindow *imd, gint new_data)
-{
- image_queue_clear(imd);
- image_queue(imd, 0, 0, imd->width, imd->height, TRUE, TILE_RENDER_ALL, new_data);
-}
-
-static void image_border_draw(ImageWindow *imd, gint x, gint y, gint w, gint h)
-{
- gint rx, ry, rw, rh;
-
- if (!imd->image->window) return;
-
- if (!imd->pixbuf && !imd->source_tiles_enabled)
- {
- if (util_clip_region(x, y, w, h,
- 0, 0,
- imd->window_width, imd->window_height,
- &rx, &ry, &rw, &rh))
- {
- gdk_window_clear_area(imd->image->window, rx, ry, rw, rh);
- image_overlay_draw(imd, rx, ry, rw, rh);
- }
- return;
- }
-
- if (imd->vis_width < imd->window_width)
- {
- if (imd->x_offset > 0 &&
- util_clip_region(x, y, w, h,
- 0, 0,
- imd->x_offset, imd->window_height,
- &rx, &ry, &rw, &rh))
- {
- gdk_window_clear_area(imd->image->window, rx, ry, rw, rh);
- image_overlay_draw(imd, rx, ry, rw, rh);
- }
- if (imd->window_width - imd->vis_width - imd->x_offset > 0 &&
- util_clip_region(x, y, w, h,
- imd->x_offset + imd->vis_width, 0,
- imd->window_width - imd->vis_width - imd->x_offset, imd->window_height,
- &rx, &ry, &rw, &rh))
- {
- gdk_window_clear_area(imd->image->window, rx, ry, rw, rh);
- image_overlay_draw(imd, rx, ry, rw, rh);
- }
- }
- if (imd->vis_height < imd->window_height)
- {
- if (imd->y_offset > 0 &&
- util_clip_region(x, y, w, h,
- imd->x_offset, 0,
- imd->vis_width, imd->y_offset,
- &rx, &ry, &rw, &rh))
- {
- gdk_window_clear_area(imd->image->window, rx, ry, rw, rh);
- image_overlay_draw(imd, rx, ry, rw, rh);
- }
- if (imd->window_height - imd->vis_height - imd->y_offset > 0 &&
- util_clip_region(x, y, w, h,
- imd->x_offset, imd->y_offset + imd->vis_height,
- imd->vis_width, imd->window_height - imd->vis_height - imd->y_offset,
- &rx, &ry, &rw, &rh))
- {
- gdk_window_clear_area(imd->image->window, rx, ry, rw, rh);
- image_overlay_draw(imd, rx, ry, rw, rh);
- }
- }
-}
-
-static void image_border_clear(ImageWindow *imd)
-{
- image_border_draw(imd, 0, 0, imd->window_width, imd->window_height);
-}
-
-static void image_scroll_notify(ImageWindow *imd)
-{
- if (imd->func_scroll_notify && imd->scale)
- {
- imd->func_scroll_notify(imd,
- (gint)((gdouble)imd->x_scroll / imd->scale),
- (gint)((gdouble)imd->y_scroll / imd->scale),
- (gint)((gdouble)imd->image_width - imd->vis_width / imd->scale),
- (gint)((gdouble)imd->image_height - imd->vis_height / imd->scale),
- imd->data_scroll_notify);
- }
-}
-
-static gint image_scroll_clamp(ImageWindow *imd)
-{
- gint old_xs;
- gint old_ys;
-
- if (imd->zoom == 0.0)
- {
- imd->x_scroll = 0;
- imd->y_scroll = 0;
-
- image_scroll_notify(imd);
- return FALSE;
- }
-
- old_xs = imd->x_scroll;
- old_ys = imd->y_scroll;
-
- if (imd->x_offset > 0)
- {
- imd->x_scroll = 0;
- }
- else
- {
- imd->x_scroll = CLAMP(imd->x_scroll, 0, imd->width - imd->vis_width);
- }
-
- if (imd->y_offset > 0)
- {
- imd->y_scroll = 0;
- }
- else
- {
- imd->y_scroll = CLAMP(imd->y_scroll, 0, imd->height - imd->vis_height);
- }
-
- image_scroll_notify(imd);
-
- return (old_xs != imd->x_scroll || old_ys != imd->y_scroll);
-}
-
-static gint image_zoom_clamp(ImageWindow *imd, gdouble zoom, gint force, gint new)
-{
- gint w, h;
- gdouble scale;
-
- zoom = CLAMP(zoom, imd->zoom_min, imd->zoom_max);
-
- if (imd->zoom == zoom && !force) return FALSE;
-
- w = imd->image_width;
- h = imd->image_height;
-
- if (zoom == 0.0 && !imd->pixbuf)
- {
- scale = 1.0;
- }
- else if (zoom == 0.0)
- {
- gint max_w;
- gint max_h;
- gint sizeable;
-
- sizeable = (new && image_top_window_sizable(imd));
-
- if (sizeable)
- {
- max_w = gdk_screen_width();
- max_h = gdk_screen_height();
-
- if (limit_window_size)
- {
- max_w = max_w * max_window_size / 100;
- max_h = max_h * max_window_size / 100;
- }
- }
- else
- {
- max_w = imd->window_width;
- max_h = imd->window_height;
- }
-
- if ((zoom_to_fit_expands && !sizeable) || w > max_w || h > max_h)
- {
- if ((gdouble)max_w / w > (gdouble)max_h / h)
- {
- scale = (gdouble)max_h / h;
- h = max_h;
- w = w * scale + 0.5;
- if (w > max_w) w = max_w;
- }
- else
- {
- scale = (gdouble)max_w / w;
- w = max_w;
- h = h * scale + 0.5;
- if (h > max_h) h = max_h;
- }
- if (w < 1) w = 1;
- if (h < 1) h = 1;
- }
- else
- {
- scale = 1.0;
- }
- }
- else if (zoom > 0.0) /* zoom orig, in */
- {
- scale = zoom;
- w = w * scale;
- h = h * scale;
- }
- else /* zoom out */
- {
- scale = 1.0 / (0.0 - zoom);
- w = w * scale;
- h = h * scale;
- }
-
- imd->zoom = zoom;
- imd->width = w;
- imd->height = h;
- imd->scale = scale;
-
- return TRUE;
-}
-
-static gint image_size_clamp(ImageWindow *imd)
-{
- gint old_vw, old_vh;
-
- old_vw = imd->vis_width;
- old_vh = imd->vis_height;
-
- if (imd->width < imd->window_width)
- {
- imd->vis_width = imd->width;
- imd->x_offset = (imd->window_width - imd->width) / 2;
- }
- else
- {
- imd->vis_width = imd->window_width;
- imd->x_offset = 0;
- }
-
- if (imd->height < imd->window_height)
- {
- imd->vis_height = imd->height;
- imd->y_offset = (imd->window_height - imd->height) / 2;
- }
- else
- {
- imd->vis_height = imd->window_height;
- imd->y_offset = 0;
- }
-
- return (old_vw != imd->vis_width || old_vh != imd->vis_height);
-}
-
-static void image_size_sync(ImageWindow *imd, gint new_width, gint new_height)
-{
- if (imd->window_width == new_width && imd->window_height == new_height) return;
-
- imd->window_width = new_width;
- imd->window_height = new_height;
-
- if (imd->zoom == 0.0) image_zoom_clamp(imd, 0.0, TRUE, FALSE);
-
- image_size_clamp(imd);
- image_scroll_clamp(imd);
-
-#if 0
- gtk_widget_set_size_request(imd->image, imd->window_width, imd->window_height);
-#endif
-
- /* ensure scroller remains visible */
- if (imd->scroller_overlay != -1)
- {
- gint update = FALSE;
-
- if (imd->scroller_x > new_width)
- {
- imd->scroller_x = new_width;
- imd->scroller_xpos = new_width;
- update = TRUE;
- }
- if (imd->scroller_y > new_height)
- {
- imd->scroller_y = new_height;
- imd->scroller_ypos = new_height;
- update = TRUE;
- }
-
- if (update)
- {
- GdkPixbuf *pixbuf;
-
- if (image_overlay_get(imd, imd->scroller_overlay, &pixbuf, NULL, NULL))
- {
- gint w, h;
-
- w = gdk_pixbuf_get_width(pixbuf);
- h = gdk_pixbuf_get_height(pixbuf);
- image_overlay_set(imd, imd->scroller_overlay, pixbuf,
- imd->scroller_x - w / 2, imd->scroller_y - h / 2);
- }
- }
- }
-
- /* clear any borders */
- image_border_clear(imd);
-
- image_tile_sync(imd, imd->width, imd->height, FALSE);
-#if 0
- /* no longer needed? (expose event should be doing this for us) */
- image_redraw(imd, FALSE);
-#endif
-
- if (imd->title_show_zoom) image_update_title(imd);
- image_update_util(imd);
-}
-
-/*
- *-------------------------------------------------------------------
- * misc
- *-------------------------------------------------------------------
- */
-
-static void image_update_title(ImageWindow *imd)
-{
- gchar *title = NULL;
- gchar *zoom = NULL;
- gchar *collection = NULL;
-
- if (!imd->top_window) return;
-
- if (imd->collection && collection_to_number(imd->collection) >= 0)
- {
- const gchar *name;
- name = imd->collection->name;
- if (!name) name = _("Untitled");
- collection = g_strdup_printf(" (Collection %s)", name);
- }
-
- if (imd->title_show_zoom)
- {
- gchar *buf = image_zoom_get_as_text(imd);
- zoom = g_strconcat(" [", buf, "]", NULL);
- g_free(buf);
- }
-
- title = g_strdup_printf("%s%s%s%s%s%s",
- imd->title ? imd->title : "",
- imd->image_name ? imd->image_name : "",
- zoom ? zoom : "",
- collection ? collection : "",
- imd->image_name ? " - " : "",
- imd->title_right ? imd->title_right : "");
-
- gtk_window_set_title(GTK_WINDOW(imd->top_window), title);
-
- g_free(title);
- g_free(zoom);
- g_free(collection);
-}
-
-static void image_update_util(ImageWindow *imd)
-{
- if (imd->func_update) imd->func_update(imd, imd->data_update);
-}
-
-static void image_complete_util(ImageWindow *imd, gint preload)
-{
- if (imd->il && imd->pixbuf != image_loader_get_pixbuf(imd->il)) return;
-
- if (debug) printf("image load completed \"%s\" (%s)\n",
- (preload) ? imd->read_ahead_path : imd->image_path,
- (preload) ? "preload" : "current");
-
- if (!preload) imd->completed = TRUE;
- if (imd->func_complete) imd->func_complete(imd, preload, imd->data_complete);
-}
-
-static void image_new_util(ImageWindow *imd)
-{
- if (imd->func_new) imd->func_new(imd, imd->data_new);
-}
-
-static void image_scroll_real(ImageWindow *imd, gint x, gint y)
-{
- gint old_x, old_y;
- gint x_off, y_off;
- gint w, h;
-
- if (!imd->pixbuf && !imd->source_tiles_enabled) return;
-
- old_x = imd->x_scroll;
- old_y = imd->y_scroll;
-
- imd->x_scroll += x;
- imd->y_scroll += y;
-
- image_scroll_clamp(imd);
- if (imd->x_scroll == old_x && imd->y_scroll == old_y) return;
-
- if (imd->overlay_list)
- {
- gint new_x, new_y;
-
- new_x = imd->x_scroll;
- new_y = imd->y_scroll;
- imd->x_scroll = old_x;
- imd->y_scroll = old_y;
- image_overlay_queue_all(imd);
- imd->x_scroll = new_x;
- imd->y_scroll = new_y;
- }
-
- x_off = imd->x_scroll - old_x;
- y_off = imd->y_scroll - old_y;
-
- w = imd->vis_width - abs(x_off);
- h = imd->vis_height - abs(y_off);
-
- if (w < 1 || h < 1)
- {
- /* scrolled completely to new material */
- image_queue(imd, 0, 0, imd->width, imd->height, TRUE, TILE_RENDER_ALL, FALSE);
- return;
- }
- else
- {
- gint x1, y1;
- gint x2, y2;
- GdkGC *gc;
-
- 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);
- }
-
- gc = gdk_gc_new(imd->image->window);
- gdk_gc_set_exposures(gc, TRUE);
- gdk_draw_drawable(imd->image->window, gc,
- imd->image->window,
- x2 + imd->x_offset, y2 + imd->y_offset,
- x1 + imd->x_offset, y1 + imd->y_offset, w, h);
- g_object_unref(gc);
-
- if (imd->overlay_list)
- {
- image_overlay_queue_all(imd);
- }
-
- w = imd->vis_width - w;
- h = imd->vis_height - h;
-
- if (w > 0)
- {
- image_queue(imd,
- x_off > 0 ? imd->x_scroll + (imd->vis_width - w) : imd->x_scroll, imd->y_scroll,
- w, imd->vis_height, TRUE, TILE_RENDER_ALL, FALSE);
- }
- if (h > 0)
- {
- /* FIXME, to optimize this, remove overlap */
- image_queue(imd,
- imd->x_scroll, y_off > 0 ? imd->y_scroll + (imd->vis_height - h) : imd->y_scroll,
- imd->vis_width, h, TRUE, TILE_RENDER_ALL, FALSE);
- }
- }
-}
-
-static void widget_set_cursor(GtkWidget *widget, gint icon)
-{
- GdkCursor *cursor;
-
- if (!widget->window) return;
-
- if (icon == -1)
- {
- cursor = NULL;
- }
- else
- {
- cursor = gdk_cursor_new (icon);
- }
-
- gdk_window_set_cursor(widget->window, cursor);
-
- if (cursor) gdk_cursor_unref(cursor);
-}
-
-/*
- *-------------------------------------------------------------------
- * image pixbuf handling
- *-------------------------------------------------------------------
- */
-
-static void image_zoom_sync(ImageWindow *imd, gdouble zoom,
- gint force, gint blank, gint new,
- gint center_point, gint px, gint py)
-{
- gdouble old_scale;
- gint old_cx, old_cy;
- gint clamped;
- gint sized;
-
- old_scale = imd->scale;
- if (center_point)
- {
- px = CLAMP(px, 0, imd->width);
- py = CLAMP(py, 0, imd->height);
- old_cx = imd->x_scroll + (px - imd->x_offset);
- old_cy = imd->y_scroll + (py - imd->y_offset);
- }
- else
- {
- px = py = 0;
- old_cx = imd->x_scroll + imd->vis_width / 2;
- old_cy = imd->y_scroll + imd->vis_height / 2;
- }
-
- if (!image_zoom_clamp(imd, zoom, force, new)) return;
-
- clamped = image_size_clamp(imd);
- sized = image_size_top_window(imd, imd->width, imd->height);
-
- if (force)
- {
- /* force means new image, so update scroll offset per options */
- switch (scroll_reset_method)
- {
- case SCROLL_RESET_NOCHANGE:
- /* maintain old scroll position, do nothing */
- break;
- case SCROLL_RESET_CENTER:
- /* center new image */
- imd->x_scroll = ((double)imd->image_width / 2.0 * imd->scale) - imd->vis_width / 2;
- imd->y_scroll = ((double)imd->image_height / 2.0 * imd->scale) - imd->vis_height / 2;
- break;
- case SCROLL_RESET_TOPLEFT:
- default:
- /* reset to upper left */
- imd->x_scroll = 0;
- imd->y_scroll = 0;
- break;
- }
- }
- else
- {
- /* user zoom does not force, so keep visible center point */
- if (center_point)
- {
- imd->x_scroll = old_cx / old_scale * imd->scale - (px - imd->x_offset);
- imd->y_scroll = old_cy / old_scale * imd->scale - (py - imd->y_offset);
- }
- else
- {
- imd->x_scroll = old_cx / old_scale * imd->scale - (imd->vis_width / 2);
- imd->y_scroll = old_cy / old_scale * imd->scale - (imd->vis_height / 2);
- }
- }
- image_scroll_clamp(imd);
-
- image_tile_sync(imd, imd->width, imd->height, blank);
-
- /* If the window was not sized, redraw the image - we know there will be no size/expose signal.
- * But even if a size is claimed, there is no guarantee that the window manager will allow it,
- * so redraw the window anyway :/
- */
- if (sized || clamped) image_border_clear(imd);
- image_redraw(imd, FALSE);
-
- if (imd->title_show_zoom) image_update_title(imd);
- image_update_util(imd);
-}
-
-static void image_pixbuf_sync(ImageWindow *imd, gdouble zoom, gint blank, gint new)
-{
- if (!imd->pixbuf)
- {
- /* no pixbuf so just clear the window */
- imd->image_width = 0;
- imd->image_height = 0;
- imd->scale = 1.0;
-
- if (imd->image->window)
- {
- gdk_window_clear(imd->image->window);
- image_overlay_draw(imd, 0, 0, imd->window_width, imd->window_height);
- }
-
- image_update_util(imd);
-
- return;
- }
-
- imd->image_width = gdk_pixbuf_get_width(imd->pixbuf);
- imd->image_height = gdk_pixbuf_get_height(imd->pixbuf);
-
-#if 0
- /* reset scrolling */
- imd->x_scroll = 0;
- imd->y_scroll = 0;
-#endif
-
- image_zoom_sync(imd, zoom, TRUE, blank, new, FALSE, 0, 0);
-}
-
-static void image_set_pixbuf(ImageWindow *imd, GdkPixbuf *pixbuf, gdouble zoom, gint new)
-{
- if (pixbuf) g_object_ref(pixbuf);
- if (imd->pixbuf) g_object_unref(imd->pixbuf);
- imd->pixbuf = pixbuf;
-
- image_pixbuf_sync(imd, zoom, FALSE, new);
-}
-
-static void image_alter_real(ImageWindow *imd, AlterType type, gint clamp)
-{
- GdkPixbuf *new = NULL;
- gint x, y;
- gint t;
-
- imd->delay_alter_type = ALTER_NONE;
-
- if (!imd->pixbuf) return;
-
- x = imd->x_scroll + (imd->vis_width / 2);
- y = imd->y_scroll + (imd->vis_height / 2);
-
- switch (type)
- {
- case ALTER_ROTATE_90:
- new = pixbuf_copy_rotate_90(imd->pixbuf, FALSE);
- t = x;
- x = imd->height - y;
- y = t;
- break;
- case ALTER_ROTATE_90_CC:
- new = pixbuf_copy_rotate_90(imd->pixbuf, TRUE);
- t = x;
- x = y;
- y = imd->width - t;
- break;
- case ALTER_ROTATE_180:
- new = pixbuf_copy_mirror(imd->pixbuf, TRUE, TRUE);
- x = imd->width - x;
- y = imd->height - y;
- break;
- case ALTER_MIRROR:
- new = pixbuf_copy_mirror(imd->pixbuf, TRUE, FALSE);
- x = imd->width - x;
- break;
- case ALTER_FLIP:
- new = pixbuf_copy_mirror(imd->pixbuf, FALSE, TRUE);
- y = imd->height - y;
- break;
- case ALTER_NONE:
- default:
- return;
- break;
- }
-
- if (!new) return;
-
- if (clamp)
- {
- image_set_pixbuf(imd, new, imd->zoom, TRUE);
- g_object_unref(new);
-
- if (imd->zoom != 0.0)
- {
- image_scroll(imd, x - (imd->vis_width / 2), y - (imd->vis_height / 2));
- }
- }
- else
- {
- g_object_unref(imd->pixbuf);
- imd->pixbuf = new;
- }
-}
-
-static void image_post_process(ImageWindow *imd, gint clamp)
-{
- if (exif_rotate_enable && imd->pixbuf)
- {
- ExifData *ed;
- gint orientation;
-
- ed = exif_read(imd->image_path);
- if (ed && exif_get_integer(ed, "Orientation", &orientation))
- {
- /* see http://jpegclub.org/exif_orientation.html
- 1 2 3 4 5 6 7 8
-
- 888888 888888 88 88 8888888888 88 88 8888888888
- 88 88 88 88 88 88 88 88 88 88 88 88
- 8888 8888 8888 8888 88 8888888888 8888888888 88
- 88 88 88 88
- 88 88 888888 888888
- */
-
- switch (orientation)
- {
- case EXIF_ORIENTATION_TOP_LEFT:
- /* normal -- nothing to do */
- break;
- case EXIF_ORIENTATION_TOP_RIGHT:
- /* mirrored */
- imd->delay_alter_type = ALTER_MIRROR;
- break;
- case EXIF_ORIENTATION_BOTTOM_RIGHT:
- /* upside down */
- imd->delay_alter_type = ALTER_ROTATE_180;
- break;
- case EXIF_ORIENTATION_BOTTOM_LEFT:
- /* flipped */
- imd->delay_alter_type = ALTER_FLIP;
- break;
- case EXIF_ORIENTATION_LEFT_TOP:
- /* not implemented -- too wacky to fix in one step */
- break;
- case EXIF_ORIENTATION_RIGHT_TOP:
- /* rotated -90 (270) */
- imd->delay_alter_type = ALTER_ROTATE_90;
- break;
- case EXIF_ORIENTATION_RIGHT_BOTTOM:
- /* not implemented -- too wacky to fix in one step */
- break;
- case EXIF_ORIENTATION_LEFT_BOTTOM:
- /* rotated 90 */
- imd->delay_alter_type = ALTER_ROTATE_90_CC;
- break;
- default:
- /* The other values are out of range */
- break;
- }
- }
- exif_free(ed);
- }
-
- if (imd->delay_alter_type != ALTER_NONE)
- {
- image_alter_real(imd, imd->delay_alter_type, clamp);
- }
-}
-
-/*
- *-------------------------------------------------------------------
- * read ahead (prebuffer)
- *-------------------------------------------------------------------
- */
-
-static void image_read_ahead_cancel(ImageWindow *imd)
-{
- if (debug) printf("read ahead cancelled for :%s\n", imd->read_ahead_path);
-
- image_loader_free(imd->read_ahead_il);
- imd->read_ahead_il = NULL;
-
- if (imd->read_ahead_pixbuf) g_object_unref(imd->read_ahead_pixbuf);
- imd->read_ahead_pixbuf = NULL;
-
- g_free(imd->read_ahead_path);
- imd->read_ahead_path = NULL;
-}
-
-static void image_read_ahead_done_cb(ImageLoader *il, gpointer data)
-{
- ImageWindow *imd = data;
-
- if (debug) printf("read ahead done for :%s\n", imd->read_ahead_path);
-
- imd->read_ahead_pixbuf = image_loader_get_pixbuf(imd->read_ahead_il);
- if (imd->read_ahead_pixbuf)
- {
- g_object_ref(imd->read_ahead_pixbuf);
- }
- else
- {
- imd->read_ahead_pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN);
- }
- image_loader_free(imd->read_ahead_il);
- imd->read_ahead_il = NULL;
-
- image_complete_util(imd, TRUE);
-}
-
-static void image_read_ahead_error_cb(ImageLoader *il, gpointer data)
-{
- /* we even treat errors as success, maybe at least some of the file was ok */
- image_read_ahead_done_cb(il, data);
-}
-
-static void image_read_ahead_start(ImageWindow *imd)
-{
- /* already started ? */
- if (!imd->read_ahead_path || imd->read_ahead_il || imd->read_ahead_pixbuf) return;
-
- /* still loading ?, do later */
- if (imd->il) return;
-
- if (debug) printf("read ahead started for :%s\n", imd->read_ahead_path);
-
- imd->read_ahead_il = image_loader_new(imd->read_ahead_path);
-
- image_loader_set_error_func(imd->read_ahead_il, image_read_ahead_error_cb, imd);
- if (!image_loader_start(imd->read_ahead_il, image_read_ahead_done_cb, imd))
- {
- image_read_ahead_cancel(imd);
- image_complete_util(imd, TRUE);
- }
-}
-
-static void image_read_ahead_set(ImageWindow *imd, const gchar *path)
-{
- if (imd->read_ahead_path && path && strcmp(imd->read_ahead_path, path) == 0) return;
-
- image_read_ahead_cancel(imd);
-
- imd->read_ahead_path = g_strdup(path);
-
- if (debug) printf("read ahead set to :%s\n", imd->read_ahead_path);
-
- image_read_ahead_start(imd);
-}
-
-/*
- *-------------------------------------------------------------------
- * post buffering
- *-------------------------------------------------------------------
- */
-
-static void image_post_buffer_set(ImageWindow *imd, const gchar *path, GdkPixbuf *pixbuf)
-{
- g_free(imd->prev_path);
- if (imd->prev_pixbuf) g_object_unref(imd->prev_pixbuf);
-
- if (path && pixbuf)
- {
- imd->prev_path = g_strdup(path);
-
- g_object_ref(pixbuf);
- imd->prev_pixbuf = pixbuf;
- }
- else
- {
- imd->prev_path = NULL;
- imd->prev_pixbuf = NULL;
- }
-
- if (debug) printf("post buffer set: %s\n", path);
-}
-
-static gint image_post_buffer_get(ImageWindow *imd)
-{
- gint success;
-
- if (imd->prev_pixbuf &&
- imd->image_path && imd->prev_path && strcmp(imd->image_path, imd->prev_path) == 0)
- {
- if (imd->pixbuf) g_object_unref(imd->pixbuf);
- imd->pixbuf = imd->prev_pixbuf;
- success = TRUE;
- }
- else
- {
- if (imd->prev_pixbuf) g_object_unref(imd->prev_pixbuf);
- success = FALSE;
- }
-
- imd->prev_pixbuf = NULL;
-
- g_free(imd->prev_path);
- imd->prev_path = NULL;
-
- return success;
-}
-
-/*
- *-------------------------------------------------------------------
- * loading
- *-------------------------------------------------------------------
- */
-
-static void image_load_pixbuf_ready(ImageWindow *imd)
-{
- if (imd->pixbuf || !imd->il) return;
-
- imd->pixbuf = image_loader_get_pixbuf(imd->il);
-
- if (imd->pixbuf) g_object_ref(imd->pixbuf);
-
- image_pixbuf_sync(imd, imd->zoom, TRUE, TRUE);
-}
-
-static void image_load_area_cb(ImageLoader *il, guint x, guint y, guint w, guint h, gpointer data)
-{
- ImageWindow *imd = data;
-
- if (imd->delay_flip &&
- imd->pixbuf != image_loader_get_pixbuf(il))
- {
- return;
- }
-
- if (!imd->pixbuf) image_load_pixbuf_ready(imd);
-
- if (imd->scale != 1.0)
- {
- x = (guint) floor((double)x * imd->scale);
- y = (guint) floor((double)y * imd->scale);
- w = (guint) ceil((double)w * imd->scale);
- h = (guint) ceil((double)h * imd->scale);
-
- if (w == 0) w = 1;
- if (h == 0) h = 1;
-
- if ((GdkInterpType)zoom_quality != GDK_INTERP_NEAREST)
- {
- /* some scaling types use surrounding pixels to smooth the image,
- * this will expand the new area to cover up for faint black
- * lines caused by previous renders with non-complete image
- */
- y -= 1;
- h += 2;
- }
-
- }
-
- image_queue(imd, (gint) x, (gint) y, (gint) w, (gint) h, FALSE, TILE_RENDER_AREA, TRUE);
-}
-
-static void image_load_done_cb(ImageLoader *il, gpointer data)
-{
- ImageWindow *imd = data;
-
- if (debug) printf ("image done\n");
-
- if (imd->delay_flip &&
- imd->pixbuf != image_loader_get_pixbuf(imd->il))
- {
- if (imd->pixbuf) g_object_unref(imd->pixbuf);
- imd->pixbuf = image_loader_get_pixbuf(imd->il);
- if (imd->pixbuf) g_object_ref(imd->pixbuf);
- image_pixbuf_sync(imd, imd->zoom, FALSE, TRUE);
- }
-
- image_loader_free(imd->il);
- imd->il = NULL;
-
- image_post_process(imd, TRUE);
-
- image_read_ahead_start(imd);
-}
-
-static void image_load_error_cb(ImageLoader *il, gpointer data)
-{
- if (debug) printf ("image error\n");
-
- /* even on error handle it like it was done,
- * since we have a pixbuf with _something_ */
-
- image_load_done_cb(il, data);
-}
-
-#ifdef IMAGE_THROTTLE_LARGER_IMAGES
-static void image_load_buffer_throttle(ImageLoader *il)
-{
- if (!il || il->bytes_total < IMAGE_THROTTLE_THRESHOLD) return;
-
- /* Larger image files usually have larger chunks of data per pixel...
- * So increase the buffer read size so that the rendering chunks called
- * are also larger.
- */
-
- image_loader_set_buffer_size(il, IMAGE_LOAD_BUFFER_COUNT * IMAGE_THROTTLE_FACTOR);
-}
-#endif
-
-/* this read ahead is located here merely for the callbacks, above */
-
-static gint image_read_ahead_check(ImageWindow *imd)
-{
- if (!imd->read_ahead_path) return FALSE;
- if (imd->il) return FALSE;
-
- if (!imd->image_path || strcmp(imd->read_ahead_path, imd->image_path) != 0)
- {
- image_read_ahead_cancel(imd);
- return FALSE;
- }
-
- if (imd->read_ahead_il)
- {
- imd->il = imd->read_ahead_il;
- imd->read_ahead_il = NULL;
-
- /* override the old signals */
- image_loader_set_area_ready_func(imd->il, image_load_area_cb, imd);
- image_loader_set_error_func(imd->il, image_load_error_cb, imd);
- image_loader_set_buffer_size(imd->il, IMAGE_LOAD_BUFFER_COUNT);
-
-#ifdef IMAGE_THROTTLE_LARGER_IMAGES
- image_load_buffer_throttle(imd->il);
-#endif
-
- /* do this one directly (probably should add a set func) */
- imd->il->func_done = image_load_done_cb;
-
- if (!imd->delay_flip)
- {
- if (imd->pixbuf) g_object_unref(imd->pixbuf);
- imd->pixbuf = image_loader_get_pixbuf(imd->il);
- if (imd->pixbuf) g_object_ref(imd->pixbuf);
- }
+ imd->read_ahead_il = image_loader_new(imd->read_ahead_path);
- image_read_ahead_cancel(imd);
- return TRUE;
- }
- else if (imd->read_ahead_pixbuf)
+ image_loader_set_error_func(imd->read_ahead_il, image_read_ahead_error_cb, imd);
+ if (!image_loader_start(imd->read_ahead_il, image_read_ahead_done_cb, imd))
{
- if (imd->pixbuf) g_object_unref(imd->pixbuf);
- imd->pixbuf = imd->read_ahead_pixbuf;
- imd->read_ahead_pixbuf = NULL;
-
image_read_ahead_cancel(imd);
+ image_complete_util(imd, TRUE);
+ }
+}
- image_post_process(imd, FALSE);
- return TRUE;
- }
-
- image_read_ahead_cancel(imd);
- return FALSE;
-}
-
-static gint image_load_begin(ImageWindow *imd, const gchar *path)
-{
- if (debug) printf ("image begin \n");
-
- if (imd->il) return FALSE;
-
- imd->completed = FALSE;
-
- if (image_post_buffer_get(imd))
- {
- if (debug) printf("from post buffer: %s\n", imd->image_path);
-
- image_pixbuf_sync(imd, imd->zoom, FALSE, TRUE);
- return TRUE;
- }
-
- if (image_read_ahead_check(imd))
- {
- if (debug) printf("from read ahead buffer: %s\n", imd->image_path);
-
- if (!imd->delay_flip || !imd->il) image_pixbuf_sync(imd, imd->zoom, FALSE, TRUE);
- return TRUE;
- }
-
- if (!imd->delay_flip && imd->pixbuf)
- {
- g_object_unref(imd->pixbuf);
- imd->pixbuf = NULL;
- }
-
- imd->il = image_loader_new(path);
-
- image_loader_set_area_ready_func(imd->il, image_load_area_cb, imd);
- image_loader_set_error_func(imd->il, image_load_error_cb, imd);
- image_loader_set_buffer_size(imd->il, IMAGE_LOAD_BUFFER_COUNT);
-
- if (!image_loader_start(imd->il, image_load_done_cb, imd))
- {
- if (debug) printf("image start error\n");
-
- image_loader_free(imd->il);
- imd->il = NULL;
-
- image_complete_util(imd, FALSE);
-
- return FALSE;
- }
-
-#ifdef IMAGE_THROTTLE_LARGER_IMAGES
- image_load_buffer_throttle(imd->il);
-#endif
-
- if (!imd->delay_flip && !imd->pixbuf) image_load_pixbuf_ready(imd);
-
- return TRUE;
-}
-
-static void image_reset(ImageWindow *imd)
-{
- /* stops anything currently being done */
-
- if (debug) printf("image reset\n");
-
- image_loader_free(imd->il);
- imd->il = NULL;
-
- image_queue_clear(imd);
- imd->delay_alter_type = ALTER_NONE;
-}
-
-/*
- *-------------------------------------------------------------------
- * image changer
- *-------------------------------------------------------------------
- */
-
-static void image_change_complete(ImageWindow *imd, gdouble zoom, gint new)
-{
- gint sync = TRUE;
-
- image_source_tile_unset(imd);
-
- imd->zoom = zoom; /* store the zoom, needed by the loader */
-
- image_reset(imd);
-
- if (imd->image_path && isfile(imd->image_path))
- {
- if (image_load_begin(imd, imd->image_path))
- {
- imd->unknown = FALSE;
- sync = FALSE;
- }
- else
- {
- if (imd->pixbuf) g_object_unref(imd->pixbuf);
- imd->pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN);
- imd->unknown = TRUE;
- }
- imd->size = filesize(imd->image_path);
- imd->mtime = filetime(imd->image_path);
- }
- else
- {
- if (imd->pixbuf) g_object_unref(imd->pixbuf);
- imd->pixbuf = NULL;
-
- if (imd->image_path)
- {
- imd->pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN);
- imd->mtime = filetime(imd->image_path);
- }
- else
- {
- imd->pixbuf = NULL;
- imd->mtime = 0;
- }
- imd->unknown = TRUE;
- imd->size = 0;
- }
-
- if (sync)
- {
- image_pixbuf_sync(imd, zoom, FALSE, new);
- }
- else
- {
- image_update_util(imd);
- }
-}
-
-static void image_change_real(ImageWindow *imd, const gchar *path,
- CollectionData *cd, CollectInfo *info, gdouble zoom)
-{
- GdkPixbuf *prev_pixbuf = NULL;
- gchar *prev_path = NULL;
- gint prev_clear = FALSE;
-
- imd->collection = cd;
- imd->collection_info = info;
-
- if (enable_read_ahead && imd->image_path && imd->pixbuf)
- {
- if (imd->il)
- {
- /* current image is not finished */
- prev_clear = TRUE;
- }
- else
- {
- prev_path = g_strdup(imd->image_path);
- prev_pixbuf = imd->pixbuf;
- g_object_ref(prev_pixbuf);
- }
- }
-
- g_free(imd->image_path);
- imd->image_path = g_strdup(path);
- imd->image_name = filename_from_path(imd->image_path);
-
- image_change_complete(imd, zoom, TRUE);
-
- if (prev_pixbuf)
- {
- image_post_buffer_set(imd, prev_path, prev_pixbuf);
- g_free(prev_path);
- g_object_unref(prev_pixbuf);
- }
- else if (prev_clear)
- {
- image_post_buffer_set(imd, NULL, NULL);
- }
-
- image_update_title(imd);
- image_new_util(imd);
-}
-
-/*
- *-------------------------------------------------------------------
- * callbacks
- *-------------------------------------------------------------------
- */
-
-static gint image_expose_cb(GtkWidget *widget, GdkEventExpose *event, gpointer data)
-{
- gint x, y;
-
- ImageWindow *imd = data;
-
- image_border_draw(imd, event->area.x, event->area.y,
- event->area.width, event->area.height);
-
- /* image */
- x = MAX(0, (gint)event->area.x - imd->x_offset + imd->x_scroll);
- y = MAX(0, (gint)event->area.y - imd->y_offset + imd->y_scroll);
+static void image_read_ahead_set(ImageWindow *imd, const gchar *path)
+{
+ if (imd->read_ahead_path && path && strcmp(imd->read_ahead_path, path) == 0) return;
- image_queue(imd, x, y,
- MIN((gint)event->area.width, imd->width - x),
- MIN((gint)event->area.height, imd->height - y),
- FALSE, TILE_RENDER_ALL, FALSE);
+ image_read_ahead_cancel(imd);
- return TRUE;
-}
+ imd->read_ahead_path = g_strdup(path);
-static void image_size_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data)
-{
- ImageWindow *imd = data;
+ if (debug) printf("read ahead set to :%s\n", imd->read_ahead_path);
- image_size_sync(imd, allocation->width, allocation->height);
+ image_read_ahead_start(imd);
}
/*
*-------------------------------------------------------------------
- * focus stuff
+ * post buffering
*-------------------------------------------------------------------
*/
-static void image_focus_paint(ImageWindow *imd, gint has_focus, GdkRectangle *area)
+static void image_post_buffer_set(ImageWindow *imd, const gchar *path, GdkPixbuf *pixbuf)
{
- GtkWidget *widget;
-
- widget = imd->widget;
- if (!widget->window) return;
+ g_free(imd->prev_path);
+ if (imd->prev_pixbuf) g_object_unref(imd->prev_pixbuf);
- if (has_focus)
+ if (path && pixbuf)
{
- gtk_paint_focus (widget->style, widget->window, GTK_STATE_ACTIVE,
- area, widget, "image_window",
- widget->allocation.x, widget->allocation.y,
- widget->allocation.width - 1, widget->allocation.height - 1);
+ imd->prev_path = g_strdup(path);
+
+ g_object_ref(pixbuf);
+ imd->prev_pixbuf = pixbuf;
}
else
{
- gtk_paint_shadow (widget->style, widget->window, GTK_STATE_NORMAL, GTK_SHADOW_IN,
- area, widget, "image_window",
- widget->allocation.x, widget->allocation.y,
- widget->allocation.width - 1, widget->allocation.height - 1);
+ imd->prev_path = NULL;
+ imd->prev_pixbuf = NULL;
}
-}
-
-static gint image_focus_expose(GtkWidget *widget, GdkEventExpose *event, gpointer data)
-{
- ImageWindow *imd = data;
- image_focus_paint(imd, GTK_WIDGET_HAS_FOCUS(widget), &event->area);
- return TRUE;
+ if (debug) printf("post buffer set: %s\n", path);
}
-static gint image_focus_in_cb(GtkWidget *widget, GdkEventFocus *event, gpointer data)
+static gint image_post_buffer_get(ImageWindow *imd)
{
- ImageWindow *imd = data;
-
- GTK_WIDGET_SET_FLAGS(imd->widget, GTK_HAS_FOCUS);
- image_focus_paint(imd, TRUE, NULL);
+ gint success;
- return TRUE;
-}
+ if (imd->prev_pixbuf &&
+ imd->image_path && imd->prev_path && strcmp(imd->image_path, imd->prev_path) == 0)
+ {
+ image_change_pixbuf(imd, imd->prev_pixbuf, image_zoom_get(imd));
+ success = TRUE;
+ }
+ else
+ {
+ success = FALSE;
+ }
-static gint image_focus_out_cb(GtkWidget *widget, GdkEventFocus *event, gpointer data)
-{
- ImageWindow *imd = data;
+ if (imd->prev_pixbuf) g_object_unref(imd->prev_pixbuf);
+ imd->prev_pixbuf = NULL;
- GTK_WIDGET_UNSET_FLAGS(imd->widget, GTK_HAS_FOCUS);
- image_focus_paint(imd, FALSE, NULL);
+ g_free(imd->prev_path);
+ imd->prev_path = NULL;
- return TRUE;
+ return success;
}
-
/*
*-------------------------------------------------------------------
- * overlays
+ * loading
*-------------------------------------------------------------------
*/
-static void image_overlay_draw(ImageWindow *imd, gint x, gint y, gint w, gint h)
+static void image_load_pixbuf_ready(ImageWindow *imd)
{
- GList *work;
+ if (image_get_pixbuf(imd) || !imd->il) return;
- work = imd->overlay_list;
- while (work)
- {
- OverlayData *od;
- gint px, py, pw, ph;
- gint rx, ry, rw, rh;
+ image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd));
+}
- od = work->data;
- work = work->next;
+static void image_load_area_cb(ImageLoader *il, guint x, guint y, guint w, guint h, gpointer data)
+{
+ ImageWindow *imd = data;
+ PixbufRenderer *pr;
- if (!od->visible) continue;
+ pr = (PixbufRenderer *)imd->pr;
- pw = gdk_pixbuf_get_width(od->pixbuf);
- ph = gdk_pixbuf_get_height(od->pixbuf);
- px = od->x;
- py = od->y;
+ if (imd->delay_flip &&
+ pr->pixbuf != image_loader_get_pixbuf(il))
+ {
+ return;
+ }
- if (od->relative)
- {
- if (px < 0) px = imd->window_width - pw + px;
- if (py < 0) py = imd->window_height - ph + py;
- }
+ if (!pr->pixbuf) image_load_pixbuf_ready(imd);
- if (util_clip_region(x, y, w, h, px, py, pw, ph, &rx, &ry, &rw, &rh))
- {
- gdk_draw_pixbuf(imd->image->window,
- imd->image->style->fg_gc[GTK_WIDGET_STATE(imd->image)],
- od->pixbuf,
- rx - px, ry - py,
- rx, ry, rw, rh,
- (GdkRgbDither)dither_quality, rx, ry);
- }
- }
+ pixbuf_renderer_area_changed(pr, x, y, w, h);
}
-static void image_overlay_queue_draw(ImageWindow *imd, OverlayData *od, gint hidden)
+static void image_load_done_cb(ImageLoader *il, gpointer data)
{
- gint x, y, w, h;
- gint old_vis;
+ ImageWindow *imd = data;
- w = gdk_pixbuf_get_width(od->pixbuf);
- h = gdk_pixbuf_get_height(od->pixbuf);
- x = od->x;
- y = od->y;
+ if (debug) printf ("image done\n");
+
+ g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
- if (od->relative)
+ if (imd->delay_flip &&
+ image_get_pixbuf(imd) != image_loader_get_pixbuf(imd->il))
{
- if (x < 0) x = imd->window_width - w + x;
- if (y < 0) y = imd->window_height - h + y;
+ image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd));
}
- image_queue(imd, imd->x_scroll - imd->x_offset + x,
- imd->y_scroll - imd->y_offset + y,
- w, h,
- FALSE, TILE_RENDER_ALL, FALSE);
+ image_loader_free(imd->il);
+ imd->il = NULL;
+
+ image_post_process(imd, TRUE);
- old_vis = od->visible;
- if (hidden) od->visible = FALSE;
- image_border_draw(imd, x, y, w, h);
- od->visible = old_vis;
+ image_read_ahead_start(imd);
}
-static void image_overlay_queue_all(ImageWindow *imd)
+static void image_load_error_cb(ImageLoader *il, gpointer data)
{
- GList *work;
+ if (debug) printf ("image error\n");
- work = imd->overlay_list;
- while (work)
- {
- OverlayData *od = work->data;
- work = work->next;
+ /* even on error handle it like it was done,
+ * since we have a pixbuf with _something_ */
- image_overlay_queue_draw(imd, od, FALSE);
- }
+ image_load_done_cb(il, data);
}
-static OverlayData *image_overlay_find(ImageWindow *imd, gint id)
+#ifdef IMAGE_THROTTLE_LARGER_IMAGES
+static void image_load_buffer_throttle(ImageLoader *il)
{
- GList *work;
-
- work = imd->overlay_list;
- while (work)
- {
- OverlayData *od = work->data;
- work = work->next;
+ if (!il || il->bytes_total < IMAGE_THROTTLE_THRESHOLD) return;
- if (od->id == id) return od;
- }
+ /* Larger image files usually have larger chunks of data per pixel...
+ * So increase the buffer read size so that the rendering chunks called
+ * are also larger.
+ */
- return NULL;
+ image_loader_set_buffer_size(il, IMAGE_LOAD_BUFFER_COUNT * IMAGE_THROTTLE_FACTOR);
}
+#endif
-gint image_overlay_add(ImageWindow *imd, GdkPixbuf *pixbuf, gint x, gint y,
- gint relative, gint always)
-{
- OverlayData *od;
- gint id;
+/* this read ahead is located here merely for the callbacks, above */
- if (!imd || !pixbuf) return -1;
+static gint image_read_ahead_check(ImageWindow *imd)
+{
+ if (!imd->read_ahead_path) return FALSE;
+ if (imd->il) return FALSE;
- id = 1;
- while (image_overlay_find(imd, id)) id++;
+ if (!imd->image_path || strcmp(imd->read_ahead_path, imd->image_path) != 0)
+ {
+ image_read_ahead_cancel(imd);
+ return FALSE;
+ }
- 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->relative = relative;
- od->visible = TRUE;
- od->always = always;
+ if (imd->read_ahead_il)
+ {
+ imd->il = imd->read_ahead_il;
+ imd->read_ahead_il = NULL;
- imd->overlay_list = g_list_append(imd->overlay_list, od);
+ /* override the old signals */
+ image_loader_set_area_ready_func(imd->il, image_load_area_cb, imd);
+ image_loader_set_error_func(imd->il, image_load_error_cb, imd);
+ image_loader_set_buffer_size(imd->il, IMAGE_LOAD_BUFFER_COUNT);
- image_overlay_queue_draw(imd, od, FALSE);
+#ifdef IMAGE_THROTTLE_LARGER_IMAGES
+ image_load_buffer_throttle(imd->il);
+#endif
- return od->id;
-}
+ /* do this one directly (probably should add a set func) */
+ imd->il->func_done = image_load_done_cb;
-static void image_overlay_free(ImageWindow *imd, OverlayData *od)
-{
- imd->overlay_list = g_list_remove(imd->overlay_list, od);
+ g_object_set(G_OBJECT(imd->pr), "loading", TRUE, NULL);
- if (od->pixbuf) g_object_unref(G_OBJECT(od->pixbuf));
- g_free(od);
-}
+ if (!imd->delay_flip)
+ {
+ image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd));
+ }
-static void image_overlay_list_clear(ImageWindow *imd)
-{
- while (imd->overlay_list)
+ image_read_ahead_cancel(imd);
+ return TRUE;
+ }
+ else if (imd->read_ahead_pixbuf)
{
- OverlayData *od;
+ image_change_pixbuf(imd, imd->read_ahead_pixbuf, image_zoom_get(imd));
+ g_object_unref(imd->read_ahead_pixbuf);
+ imd->read_ahead_pixbuf = NULL;
+
+ image_read_ahead_cancel(imd);
- od = imd->overlay_list->data;
- image_overlay_free(imd, od);
+ image_post_process(imd, FALSE);
+ return TRUE;
}
+
+ image_read_ahead_cancel(imd);
+ return FALSE;
}
-void image_overlay_set(ImageWindow *imd, gint id, GdkPixbuf *pixbuf, gint x, gint y)
+static gint image_load_begin(ImageWindow *imd, const gchar *path)
{
- OverlayData *od;
+ if (debug) printf ("image begin \n");
- if (!imd) return;
+ if (imd->il) return FALSE;
- od = image_overlay_find(imd, id);
- if (!od) return;
+ imd->completed = FALSE;
- if (pixbuf)
+ if (image_post_buffer_get(imd))
{
- image_overlay_queue_draw(imd, od, TRUE);
+ if (debug) printf("from post buffer: %s\n", imd->image_path);
+ return TRUE;
+ }
- g_object_ref(G_OBJECT(pixbuf));
- g_object_unref(G_OBJECT(od->pixbuf));
- od->pixbuf = pixbuf;
+ if (image_read_ahead_check(imd))
+ {
+ if (debug) printf("from read ahead buffer: %s\n", imd->image_path);
+ return TRUE;
+ }
- od->x = x;
- od->y = y;
+ if (!imd->delay_flip && image_get_pixbuf(imd))
+ {
+ PixbufRenderer *pr;
- image_overlay_queue_draw(imd, od, FALSE);
+ pr = PIXBUF_RENDERER(imd->pr);
+ if (pr->pixbuf) g_object_unref(pr->pixbuf);
+ pr->pixbuf = NULL;
}
- else
+
+ g_object_set(G_OBJECT(imd->pr), "loading", TRUE, NULL);
+
+ imd->il = image_loader_new(path);
+
+ image_loader_set_area_ready_func(imd->il, image_load_area_cb, imd);
+ image_loader_set_error_func(imd->il, image_load_error_cb, imd);
+ image_loader_set_buffer_size(imd->il, IMAGE_LOAD_BUFFER_COUNT);
+
+ if (!image_loader_start(imd->il, image_load_done_cb, imd))
{
- image_overlay_queue_draw(imd, od, TRUE);
- image_overlay_free(imd, od);
- }
-}
+ if (debug) printf("image start error\n");
-gint image_overlay_get(ImageWindow *imd, gint id, GdkPixbuf **pixbuf, gint *x, gint *y)
-{
- OverlayData *od;
+ g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
- if (!imd) return FALSE;
+ image_loader_free(imd->il);
+ imd->il = NULL;
+
+ image_complete_util(imd, FALSE);
- od = image_overlay_find(imd, id);
- if (!od) return FALSE;
+ return FALSE;
+ }
+
+#ifdef IMAGE_THROTTLE_LARGER_IMAGES
+ image_load_buffer_throttle(imd->il);
+#endif
- if (pixbuf) *pixbuf = od->pixbuf;
- if (x) *x = od->x;
- if (y) *y = od->y;
+ if (!imd->delay_flip && !image_get_pixbuf(imd)) image_load_pixbuf_ready(imd);
return TRUE;
}
-void image_overlay_remove(ImageWindow *imd, gint id)
+static void image_reset(ImageWindow *imd)
{
- image_overlay_set(imd, id, NULL, 0, 0);
+ /* stops anything currently being done */
+
+ if (debug) printf("image reset\n");
+
+ g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
+
+ image_loader_free(imd->il);
+ imd->il = NULL;
+
+ imd->delay_alter_type = ALTER_NONE;
}
/*
*-------------------------------------------------------------------
- * scroller
+ * image changer
*-------------------------------------------------------------------
*/
-#define SCROLLER_UPDATES_PER_SEC 30
-#define SCROLLER_DEAD_ZONE 6
-
-
-static gboolean image_scroller_update_cb(gpointer data)
+static void image_change_complete(ImageWindow *imd, gdouble zoom, gint new)
{
- ImageWindow *imd = data;
- gint x, y;
- gint xinc, yinc;
-
- /* this was a simple scroll by difference between scroller and mouse position,
- * but all this math results in a smoother result and accounts for a dead zone.
- */
-
- if (abs(imd->scroller_xpos - imd->scroller_x) < SCROLLER_DEAD_ZONE)
- {
- x = 0;
- }
- else
- {
- gint shift = SCROLLER_DEAD_ZONE / 2 * SCROLLER_UPDATES_PER_SEC;
- x = (imd->scroller_xpos - imd->scroller_x) / 2 * SCROLLER_UPDATES_PER_SEC;
- x += (x > 0) ? -shift : shift;
- }
+ image_reset(imd);
- if (abs(imd->scroller_ypos - imd->scroller_y) < SCROLLER_DEAD_ZONE)
- {
- y = 0;
- }
- else
+ if (imd->image_path && isfile(imd->image_path))
{
- gint shift = SCROLLER_DEAD_ZONE / 2 * SCROLLER_UPDATES_PER_SEC;
- y = (imd->scroller_ypos - imd->scroller_y) / 2 * SCROLLER_UPDATES_PER_SEC;
- y += (y > 0) ? -shift : shift;
- }
+ PixbufRenderer *pr;
- if (abs(x) < SCROLLER_DEAD_ZONE * SCROLLER_UPDATES_PER_SEC)
- {
- xinc = x;
- }
- else
- {
- xinc = imd->scroller_xinc;
+ pr = PIXBUF_RENDERER(imd->pr);
+ pr->zoom = zoom; /* store the zoom, needed by the loader */
- if (x >= 0)
+ if (image_load_begin(imd, imd->image_path))
{
- if (xinc < 0) xinc = 0;
- if (x < xinc) xinc = x;
- if (x > xinc) xinc = MIN(xinc + x / SCROLLER_UPDATES_PER_SEC, x);
+ imd->unknown = FALSE;
}
else
{
- if (xinc > 0) xinc = 0;
- if (x > xinc) xinc = x;
- if (x < xinc) xinc = MAX(xinc + x / SCROLLER_UPDATES_PER_SEC, x);
- }
- }
+ GdkPixbuf *pixbuf;
- if (abs(y) < SCROLLER_DEAD_ZONE * SCROLLER_UPDATES_PER_SEC)
- {
- yinc = y;
+ pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN);
+ image_change_pixbuf(imd, pixbuf, zoom);
+ g_object_unref(pixbuf);
+
+ imd->unknown = TRUE;
+ }
+ imd->size = filesize(imd->image_path);
+ imd->mtime = filetime(imd->image_path);
}
else
{
- yinc = imd->scroller_yinc;
-
- if (y >= 0)
+ if (imd->image_path)
{
- if (yinc < 0) yinc = 0;
- if (y < yinc) yinc = y;
- if (y > yinc) yinc = MIN(yinc + y / SCROLLER_UPDATES_PER_SEC, y);
+ GdkPixbuf *pixbuf;
+
+ pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN);
+ image_change_pixbuf(imd, pixbuf, zoom);
+ g_object_unref(pixbuf);
+ imd->mtime = filetime(imd->image_path);
}
else
{
- if (yinc > 0) yinc = 0;
- if (y > yinc) yinc = y;
- if (y < yinc) yinc = MAX(yinc + y / SCROLLER_UPDATES_PER_SEC, y);
+ image_change_pixbuf(imd, NULL, zoom);
+ imd->mtime = 0;
}
+ imd->unknown = TRUE;
+ imd->size = 0;
}
- imd->scroller_xinc = xinc;
- imd->scroller_yinc = yinc;
+ image_update_util(imd);
+}
- xinc = xinc / SCROLLER_UPDATES_PER_SEC;
- yinc = yinc / SCROLLER_UPDATES_PER_SEC;
+static void image_change_real(ImageWindow *imd, const gchar *path,
+ CollectionData *cd, CollectInfo *info, gdouble zoom)
+{
+ GdkPixbuf *pixbuf;
+ GdkPixbuf *prev_pixbuf = NULL;
+ gchar *prev_path = NULL;
+ gint prev_clear = FALSE;
- image_scroll(imd, xinc, yinc);
+ imd->collection = cd;
+ imd->collection_info = info;
- return TRUE;
-}
+ pixbuf = image_get_pixbuf(imd);
-static void image_scroller_timer_set(ImageWindow *imd, gint start)
-{
- if (imd->scroller_id != -1)
+ if (enable_read_ahead && imd->image_path && pixbuf)
{
- g_source_remove(imd->scroller_id);
- imd->scroller_id = -1;
+ if (imd->il)
+ {
+ /* current image is not finished */
+ prev_clear = TRUE;
+ }
+ else
+ {
+ prev_path = g_strdup(imd->image_path);
+ prev_pixbuf = pixbuf;
+ g_object_ref(prev_pixbuf);
+ }
}
- if (start)
+ g_free(imd->image_path);
+ imd->image_path = g_strdup(path);
+ imd->image_name = filename_from_path(imd->image_path);
+
+ image_change_complete(imd, zoom, TRUE);
+
+ if (prev_pixbuf)
{
- imd->scroller_id = g_timeout_add(1000 / SCROLLER_UPDATES_PER_SEC,
- image_scroller_update_cb, imd);
+ image_post_buffer_set(imd, prev_path, prev_pixbuf);
+ g_free(prev_path);
+ g_object_unref(prev_pixbuf);
}
-}
-
-static void image_scroller_start(ImageWindow *imd, gint x, gint y)
-{
- if (imd->scroller_overlay == -1)
+ else if (prev_clear)
{
- GdkPixbuf *pixbuf;
- gint w, h;
-
- pixbuf = pixbuf_inline(PIXBUF_INLINE_SCROLLER);
- w = gdk_pixbuf_get_width(pixbuf);
- h = gdk_pixbuf_get_height(pixbuf);
-
- imd->scroller_overlay = image_overlay_add(imd, pixbuf, x - w / 2, y - h / 2, FALSE, TRUE);
+ image_post_buffer_set(imd, NULL, NULL);
}
- imd->scroller_x = x;
- imd->scroller_y = y;
- imd->scroller_xpos = x;
- imd->scroller_ypos = y;
-
- image_scroller_timer_set(imd, TRUE);
-}
-
-static void image_scroller_stop(ImageWindow *imd)
-{
- if (imd->scroller_id == -1) return;
-
- image_overlay_remove(imd, imd->scroller_overlay);
- imd->scroller_overlay = -1;
-
- image_scroller_timer_set(imd, FALSE);
+ image_update_title(imd);
+ image_new_util(imd);
}
/*
*-------------------------------------------------------------------
- * mouse stuff
+ * focus stuff
*-------------------------------------------------------------------
*/
-static gint image_mouse_motion_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
+static void image_focus_paint(ImageWindow *imd, gint has_focus, GdkRectangle *area)
{
- ImageWindow *imd = data;
- gint accel;
-
- if (imd->scroller_id != -1)
- {
- imd->scroller_xpos = bevent->x;
- imd->scroller_ypos = bevent->y;
- }
-
- if (!imd->in_drag || !gdk_pointer_is_grabbed()) return FALSE;
+ GtkWidget *widget;
- if (imd->drag_moved < IMAGE_DRAG_SCROLL_THRESHHOLD)
- {
- imd->drag_moved++;
- }
- else
- {
- widget_set_cursor (imd->image, GDK_FLEUR);
- }
+ widget = imd->widget;
+ if (!widget->window) return;
- if (bevent->state & GDK_SHIFT_MASK)
+ if (has_focus)
{
- accel = IMAGE_PAN_SHIFT_MULTIPLIER;
+ gtk_paint_focus (widget->style, widget->window, GTK_STATE_ACTIVE,
+ area, widget, "image_window",
+ widget->allocation.x, widget->allocation.y,
+ widget->allocation.width - 1, widget->allocation.height - 1);
}
else
{
- accel = 1;
+ gtk_paint_shadow (widget->style, widget->window, GTK_STATE_NORMAL, GTK_SHADOW_IN,
+ area, widget, "image_window",
+ widget->allocation.x, widget->allocation.y,
+ widget->allocation.width - 1, widget->allocation.height - 1);
}
-
- /* do the scroll */
- image_scroll_real(imd, (imd->drag_last_x - bevent->x) * accel,
- (imd->drag_last_y - bevent->y) * accel);
-
- imd->drag_last_x = bevent->x;
- imd->drag_last_y = bevent->y;
-
- return FALSE;
}
-static gint image_mouse_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
+static gint image_focus_expose(GtkWidget *widget, GdkEventExpose *event, gpointer data)
{
ImageWindow *imd = data;
- if (imd->scroller_id != -1) return TRUE;
+ image_focus_paint(imd, GTK_WIDGET_HAS_FOCUS(widget), &event->area);
+ return TRUE;
+}
- switch (bevent->button)
- {
- case 1:
- imd->in_drag = TRUE;
- imd->drag_last_x = bevent->x;
- imd->drag_last_y = bevent->y;
- imd->drag_moved = 0;
- gdk_pointer_grab(imd->image->window, FALSE,
- GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK,
- NULL, NULL, bevent->time);
- gtk_grab_add(imd->image);
- break;
- case 2:
- imd->drag_moved = 0;
- break;
- case 3:
- image_button_do(imd, bevent);
- break;
- default:
- break;
- }
+static gint image_focus_in_cb(GtkWidget *widget, GdkEventFocus *event, gpointer data)
+{
+ ImageWindow *imd = data;
- gtk_widget_grab_focus(imd->widget);
+ GTK_WIDGET_SET_FLAGS(imd->widget, GTK_HAS_FOCUS);
+ image_focus_paint(imd, TRUE, NULL);
- return FALSE;
+ return TRUE;
}
-static gint image_mouse_release_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
+static gint image_focus_out_cb(GtkWidget *widget, GdkEventFocus *event, gpointer data)
{
ImageWindow *imd = data;
- if (imd->scroller_id != -1)
- {
- image_scroller_stop(imd);
- return TRUE;
- }
-
- if (gdk_pointer_is_grabbed() && GTK_WIDGET_HAS_GRAB(imd->image))
- {
- gtk_grab_remove(imd->image);
- gdk_pointer_ungrab(bevent->time);
- widget_set_cursor(imd->image, -1);
- }
-
- if (imd->drag_moved < IMAGE_DRAG_SCROLL_THRESHHOLD)
- {
- if (bevent->button == 1 && (bevent->state & GDK_SHIFT_MASK))
- {
- image_scroller_start(imd, bevent->x, bevent->y);
- }
- else if (bevent->button == 1 || bevent->button == 2)
- {
- image_button_do(imd, bevent);
- }
- }
+ GTK_WIDGET_UNSET_FLAGS(imd->widget, GTK_HAS_FOCUS);
+ image_focus_paint(imd, FALSE, NULL);
- imd->in_drag = FALSE;
+ return TRUE;
+}
- return FALSE;
+gint image_overlay_add(ImageWindow *imd, GdkPixbuf *pixbuf, gint x, gint y,
+ gint relative, gint always)
+{
+ return pixbuf_renderer_overlay_add((PixbufRenderer *)imd->pr, pixbuf, x, y, relative, always);
}
-static gint image_mouse_leave_cb(GtkWidget *widget, GdkEventCrossing *event, gpointer data)
+void image_overlay_set(ImageWindow *imd, gint id, GdkPixbuf *pixbuf, gint x, gint y)
{
- ImageWindow *imd = data;
+ pixbuf_renderer_overlay_set((PixbufRenderer *)imd->pr, id, pixbuf, x, y);
+}
- if (imd->scroller_id != -1)
- {
- imd->scroller_xpos = imd->scroller_x;
- imd->scroller_ypos = imd->scroller_y;
- imd->scroller_xinc = 0;
- imd->scroller_yinc = 0;
- }
+gint image_overlay_get(ImageWindow *imd, gint id, GdkPixbuf **pixbuf, gint *x, gint *y)
+{
+ return pixbuf_renderer_overlay_get((PixbufRenderer *)imd->pr, id, pixbuf, x, y);
+}
- return FALSE;
+void image_overlay_remove(ImageWindow *imd, gint id)
+{
+ pixbuf_renderer_overlay_remove((PixbufRenderer *)imd->pr, id);
}
static gint image_scroll_cb(GtkWidget *widget, GdkEventScroll *event, gpointer data)
return FALSE;
}
-static void image_mouse_drag_cb(GtkWidget *widget, GdkDragContext *context, gpointer data)
-{
- ImageWindow *imd = data;
-
- imd->drag_moved = IMAGE_DRAG_SCROLL_THRESHHOLD;
-}
-
-/*
- *-------------------------------------------------------------------
- * drag and drop
- *-------------------------------------------------------------------
- */
-
/*
*-------------------------------------------------------------------
* public interface
imd->title_right = g_strdup(title_right);
imd->title_show_zoom = show_zoom;
+ if (!fit_window) window = NULL;
+
+ pixbuf_renderer_set_parent((PixbufRenderer *)imd->pr, (GtkWindow *)window);
+
image_update_title(imd);
}
}
-static void image_button_do(ImageWindow *imd, GdkEventButton *bevent)
-{
- if (imd->func_button &&
- bevent &&
- (bevent->type == GDK_BUTTON_PRESS || bevent->type == GDK_BUTTON_RELEASE))
- {
- imd->func_button(imd, bevent->button, bevent->time,
- bevent->x, bevent->y, bevent->state, imd->data_button);
- }
-}
-
void image_set_button_func(ImageWindow *imd,
void (*func)(ImageWindow *, gint button, guint32 time, gdouble x, gdouble y, guint state, gpointer),
gpointer data)
if (imd->image_path == path ||
(path && imd->image_path && !strcmp(path, imd->image_path)) ) return;
- image_source_tile_unset(imd);
-
image_change_real(imd, path, NULL, NULL, zoom);
}
-void image_change_pixbuf(ImageWindow *imd, GdkPixbuf *pixbuf, gdouble zoom)
+GdkPixbuf *image_get_pixbuf(ImageWindow *imd)
{
- image_source_tile_unset(imd);
+ return pixbuf_renderer_get_pixbuf((PixbufRenderer *)imd->pr);
+}
- image_set_pixbuf(imd, pixbuf, zoom, TRUE);
+void image_change_pixbuf(ImageWindow *imd, GdkPixbuf *pixbuf, gdouble zoom)
+{
+ pixbuf_renderer_set_pixbuf((PixbufRenderer *)imd->pr, pixbuf, zoom);
image_new_util(imd);
}
{
if (!cd || !info || !g_list_find(cd->list, info)) return;
- image_source_tile_unset(imd);
-
image_change_real(imd, info->path, cd, info, zoom);
}
return NULL;
}
+#if 0
static void image_loader_sync_data(ImageLoader *il, gpointer data)
{
/* change data for the callbacks directly */
il->data_done = data;
il->data_percent = data;
}
+#endif
/* this is more like a move function
* it moves most data from source to imd, source does keep a ref on the pixbuf
{
if (imd == source) return;
+ printf("FIXME: enable set from image\n");
+#if 0
imd->zoom_min = source->zoom_min;
imd->zoom_max = source->zoom_max;
}
image_scroll_clamp(imd);
+#endif
}
/* manipulation */
void image_area_changed(ImageWindow *imd, gint x, gint y, gint width, gint height)
{
- gint sx, sy, sw, sh;
-
- sx = (gint)floor((double)x * imd->scale);
- sy = (gint)floor((double)y * imd->scale);
- sw = (gint)ceil((double)width * imd->scale);
- sh = (gint)ceil((double)height * imd->scale);
-
- if (imd->source_tiles_enabled)
- {
- source_tile_changed(imd, x, y, width, height);
- }
-
- image_queue(imd, sx, sy, sw, sh, FALSE, TILE_RENDER_AREA, TRUE);
+ pixbuf_renderer_area_changed((PixbufRenderer *)imd->pr, x, y, width, height);
}
void image_reload(ImageWindow *imd)
{
- if (imd->source_tiles_enabled) return;
+ if (pixbuf_renderer_get_tiles((PixbufRenderer *)imd->pr)) return;
- image_change_complete(imd, imd->zoom, FALSE);
+ image_change_complete(imd, image_zoom_get(imd), FALSE);
}
void image_scroll(ImageWindow *imd, gint x, gint y)
{
- image_scroll_real(imd, x, y);
+ pixbuf_renderer_scroll((PixbufRenderer *)imd->pr, x, y);
}
void image_scroll_to_point(ImageWindow *imd, gint x, gint y,
gdouble x_align, gdouble y_align)
{
- gint px, py;
- gint ax, ay;
-
- x_align = CLAMP(x_align, 0.0, 1.0);
- y_align = CLAMP(y_align, 0.0, 1.0);
-
- ax = (gdouble)imd->vis_width * x_align;
- ay = (gdouble)imd->vis_height * y_align;
-
- px = (gdouble)x * imd->scale - (imd->x_scroll + ax);
- py = (gdouble)y * imd->scale - (imd->y_scroll + ay);
-
- image_scroll(imd, px, py);
+ pixbuf_renderer_scroll_to_point((PixbufRenderer *)imd->pr, x, y, x_align, y_align);
}
void image_alter(ImageWindow *imd, AlterType type)
{
- if (imd->source_tiles_enabled) return;
+ if (pixbuf_renderer_get_tiles((PixbufRenderer *)imd->pr)) return;
if (imd->il)
{
image_alter_real(imd, type, TRUE);
}
-/* zoom */
-
-static void image_zoom_adjust_real(ImageWindow *imd, gdouble increment,
- gint center_point, gint x, gint y)
-{
- gdouble zoom = imd->zoom;
-
- if (increment == 0.0) return; /* avoid possible div by zero, a no-op anyway... */
-
- if (zoom == 0.0)
- {
- if (imd->scale < 1.0)
- {
- zoom = 0.0 - 1.0 / imd->scale;
- }
- else
- {
- zoom = imd->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;
- }
- }
-
- image_zoom_sync(imd, zoom, FALSE, FALSE, FALSE, center_point, x, y);
-}
-
void image_zoom_adjust(ImageWindow *imd, gdouble increment)
{
- image_zoom_adjust_real(imd, increment, FALSE, 0, 0);
+ pixbuf_renderer_zoom_adjust((PixbufRenderer *)imd->pr, increment);
}
void image_zoom_adjust_at_point(ImageWindow *imd, gdouble increment, gint x, gint y)
{
- image_zoom_adjust_real(imd, increment, TRUE, x, y);
+ pixbuf_renderer_zoom_adjust_at_point((PixbufRenderer *)imd->pr, increment, x, y);
}
void image_zoom_set_limits(ImageWindow *imd, gdouble min, gdouble max)
{
- if (min > 1.0 || max < 1.0) return;
- if (min < 1.0 && min > -1.0) return;
- if (min < -200.0 || max > 200.0) return;
-
- imd->zoom_min = min;
- imd->zoom_max = max;
+ pixbuf_renderer_zoom_set_limits((PixbufRenderer *)imd->pr, min, max);
}
void image_zoom_set(ImageWindow *imd, gdouble zoom)
{
- image_zoom_sync(imd, zoom, FALSE, FALSE, FALSE, FALSE, 0, 0);
+ pixbuf_renderer_zoom_set((PixbufRenderer *)imd->pr, zoom);
}
void image_zoom_set_fill_geometry(ImageWindow *imd, gint vertical)
{
+ PixbufRenderer *pr;
gdouble zoom;
+ gint width, height;
- if (!imd->pixbuf || imd->image_width < 1 || imd->image_height < 1) return;
+ pr = (PixbufRenderer *)imd->pr;
+
+ if (!pixbuf_renderer_get_pixbuf(pr) ||
+ !pixbuf_renderer_get_image_size(pr, &width, &height)) return;
if (vertical)
{
- zoom = (gdouble)imd->window_height / imd->image_height;
+ zoom = (gdouble)pr->window_height / height;
}
else
{
- zoom = (gdouble)imd->window_width / imd->image_width;
+ zoom = (gdouble)pr->window_width / width;
}
if (zoom < 1.0)
zoom = 0.0 - 1.0 / zoom;
}
- image_zoom_set(imd, zoom);
+ pixbuf_renderer_zoom_set(pr, zoom);
}
gdouble image_zoom_get(ImageWindow *imd)
{
- return imd->zoom;
+ return pixbuf_renderer_zoom_get((PixbufRenderer *)imd->pr);
}
gdouble image_zoom_get_real(ImageWindow *imd)
{
- return imd->scale;
+ return pixbuf_renderer_zoom_get_scale((PixbufRenderer *)imd->pr);
}
gchar *image_zoom_get_as_text(ImageWindow *imd)
{
+ gdouble zoom;
+ gdouble scale;
gdouble l = 1.0;
gdouble r = 1.0;
gint pl = 0;
gint pr = 0;
gchar *approx = " ";
- if (imd->zoom > 0.0)
+ zoom = image_zoom_get(imd);
+ scale = image_zoom_get_real(imd);
+
+ if (zoom > 0.0)
{
- l = imd->zoom;
+ l = zoom;
}
- else if (imd->zoom < 0.0)
+ else if (zoom < 0.0)
{
- r = 0.0 - imd->zoom;
+ r = 0.0 - zoom;
}
- else if (imd->zoom == 0.0 && imd->scale != 0.0)
+ else if (zoom == 0.0 && scale != 0.0)
{
- if (imd->scale >= 1.0)
+ if (scale >= 1.0)
{
- l = imd->scale;
+ l = scale;
}
else
{
- r = 1.0 / imd->scale;
+ r = 1.0 / scale;
}
approx = " ~";
}
void image_prebuffer_set(ImageWindow *imd, const gchar *path)
{
- if (imd->source_tiles_enabled) return;
+ if (pixbuf_renderer_get_tiles((PixbufRenderer *)imd->pr)) return;
if (path)
{
ImageWindow *imd = data;
time_t newtime;
- if (!imd || !imd->pixbuf ||
+ if (!imd || !image_get_pixbuf(imd) ||
imd->il || !imd->image_path ||
!update_on_time_change) return TRUE;
void image_auto_refresh(ImageWindow *imd, gint interval)
{
if (!imd) return;
- if (imd->source_tiles_enabled) return;
+ if (pixbuf_renderer_get_tiles((PixbufRenderer *)imd->pr)) return;
if (imd->auto_refresh_id > -1)
{
imd->auto_refresh_interval = interval;
}
-/* allow top window to be resized ? */
-
void image_top_window_set_sync(ImageWindow *imd, gint allow_sync)
{
imd->top_window_sync = allow_sync;
-}
-/* background colors */
+ g_object_set(G_OBJECT(imd->pr), "window_fit", allow_sync, NULL);
+}
void image_background_set_black(ImageWindow *imd, gint black)
{
- GtkStyle *style;
-
- if (!imd) return;
-
- style = gtk_style_copy(gtk_widget_get_style(imd->widget));
- g_object_ref(G_OBJECT(style));
-
- if (black)
- {
- style->bg[GTK_STATE_NORMAL] = style->black;
- }
-
- gtk_widget_set_style(imd->image, style);
- g_object_unref(G_OBJECT(style));
-
- if (GTK_WIDGET_VISIBLE(imd->widget)) image_border_clear(imd);
+ pixbuf_renderer_set_black((PixbufRenderer *)imd->pr, black);
}
void image_background_set_color(ImageWindow *imd, GdkColor *color)
{
- GtkStyle *style;
-
- if (!imd) return;
-
- style = gtk_style_copy(gtk_widget_get_style(imd->widget));
- g_object_ref(G_OBJECT(style));
-
- if (color)
- {
- GdkColor *slot;
-
- slot = &style->bg[GTK_STATE_NORMAL];
-
- slot->red = color->red;
- slot->green = color->green;
- slot->blue = color->blue;
- }
-
- gtk_widget_set_style(imd->image, style);
- g_object_unref(G_OBJECT(style));
-
- if (GTK_WIDGET_VISIBLE(imd->widget)) image_border_clear(imd);
+ pixbuf_renderer_set_color((PixbufRenderer *)imd->pr, color);
}
void image_set_delay_flip(ImageWindow *imd, gint delay)
imd->delay_flip == delay) return;
imd->delay_flip = delay;
+
+ g_object_set(G_OBJECT(imd->pr), "delay_flip", delay, NULL);
+
if (!imd->delay_flip && imd->il)
{
- if (imd->pixbuf) g_object_unref(imd->pixbuf);
- imd->pixbuf = NULL;
- image_load_pixbuf_ready(imd);
+ PixbufRenderer *pr;
- image_queue_clear(imd);
- image_queue(imd, 0, 0, imd->width, imd->height, FALSE, TILE_RENDER_AREA, TRUE);
+ pr = PIXBUF_RENDERER(imd->pr);
+ if (pr->pixbuf) g_object_unref(pr->pixbuf);
+ pr->pixbuf = NULL;
+
+ image_load_pixbuf_ready(imd);
}
}
-/* wallpaper util */
-
void image_to_root_window(ImageWindow *imd, gint scaled)
{
GdkScreen *screen;
GdkWindow *rootwindow;
GdkPixmap *pixmap;
+ GdkPixbuf *pixbuf;
GdkPixbuf *pb;
+ gint width, height;
+
+ if (!imd) return;
- if (!imd || !imd->pixbuf) return;
+ pixbuf = image_get_pixbuf(imd);
+ if (!pixbuf) return;
- screen = gtk_widget_get_screen(imd->image);
+ screen = gtk_widget_get_screen(imd->widget);
rootwindow = gdk_screen_get_root_window(screen);
if (gdk_drawable_get_visual(rootwindow) != gdk_visual_get_system()) return;
if (scaled)
{
- pb = gdk_pixbuf_scale_simple(imd->pixbuf, gdk_screen_width(), gdk_screen_height(), (GdkInterpType)zoom_quality);
+ width = gdk_screen_width();
+ height = gdk_screen_height();
}
else
{
- pb = gdk_pixbuf_scale_simple(imd->pixbuf, imd->width, imd->height, (GdkInterpType)zoom_quality);
+ pixbuf_renderer_get_scaled_size((PixbufRenderer *)imd->pr, &width, &height);
}
+ pb = gdk_pixbuf_scale_simple(pixbuf, width, height, (GdkInterpType)zoom_quality);
+
gdk_pixbuf_render_pixmap_and_mask (pb, &pixmap, NULL, 128);
gdk_window_set_back_pixmap(rootwindow, pixmap, FALSE);
gdk_window_clear(rootwindow);
gdk_flush();
}
-
/*
*-------------------------------------------------------------------
* init / destroy
static void image_free(ImageWindow *imd)
{
+ image_reset(imd);
+
image_read_ahead_cancel(imd);
image_post_buffer_set(imd, NULL, NULL);
image_auto_refresh(imd, -1);
g_free(imd->title);
g_free(imd->title_right);
- image_reset(imd);
- image_tile_sync_count(imd, 0);
- if (imd->pixbuf) g_object_unref(imd->pixbuf);
-
- image_scroller_timer_set(imd, FALSE);
-
- image_overlay_list_clear(imd);
-
- source_tile_free_all(imd);
-
g_free(imd);
}
imd = g_new0(ImageWindow, 1);
- imd->zoom_min = IMAGE_ZOOM_MIN;
- imd->zoom_max = IMAGE_ZOOM_MAX;
- imd->zoom = 1.0;
- imd->scale = 1.0;
-
- imd->draw_idle_id = -1;
-
- imd->tile_width = IMAGE_TILE_SIZE;
- imd->tile_height = IMAGE_TILE_SIZE;
-
imd->top_window = NULL;
imd->title = NULL;
imd->title_right = NULL;
imd->unknown = TRUE;
- imd->pixbuf = NULL;
-
imd->has_frame = frame;
imd->top_window_sync = FALSE;
- imd->tile_cache = NULL;
- imd->tile_cache_size = 0;
-
imd->delay_alter_type = ALTER_NONE;
imd->read_ahead_il = NULL;
imd->func_button = NULL;
imd->func_scroll = NULL;
- imd->scroller_id = -1;
- imd->scroller_overlay = -1;
+ imd->pr = GTK_WIDGET(pixbuf_renderer_new());
- imd->source_tiles_enabled = FALSE;
- imd->source_tiles = NULL;
-
- imd->image = gtk_drawing_area_new();
- gtk_widget_set_double_buffered(imd->image, FALSE);
+ g_object_set(G_OBJECT(imd->pr), "zoom_2pass", TRUE, NULL);
if (imd->has_frame)
{
imd->widget = gtk_frame_new(NULL);
gtk_frame_set_shadow_type(GTK_FRAME(imd->widget), GTK_SHADOW_IN);
- gtk_container_add(GTK_CONTAINER(imd->widget), imd->image);
- gtk_widget_show(imd->image);
+ gtk_container_add(GTK_CONTAINER(imd->widget), imd->pr);
+ gtk_widget_show(imd->pr);
GTK_WIDGET_SET_FLAGS(imd->widget, GTK_CAN_FOCUS);
g_signal_connect(G_OBJECT(imd->widget), "focus_in_event",
}
else
{
- imd->widget = imd->image;
+ imd->widget = imd->pr;
}
- g_signal_connect(G_OBJECT(imd->image), "motion_notify_event",
- G_CALLBACK(image_mouse_motion_cb), imd);
- g_signal_connect(G_OBJECT(imd->image), "button_press_event",
- G_CALLBACK(image_mouse_press_cb), imd);
- g_signal_connect(G_OBJECT(imd->image), "button_release_event",
- G_CALLBACK(image_mouse_release_cb), imd);
- g_signal_connect(G_OBJECT(imd->image), "leave_notify_event",
- G_CALLBACK(image_mouse_leave_cb), imd);
- gtk_widget_set_events(imd->image, GDK_POINTER_MOTION_MASK |
- GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK |
- GDK_LEAVE_NOTIFY_MASK);
-
- g_signal_connect(G_OBJECT(imd->image), "expose_event",
- G_CALLBACK(image_expose_cb), imd);
- g_signal_connect_after(G_OBJECT(imd->image), "size_allocate",
- G_CALLBACK(image_size_cb), imd);
-
- g_signal_connect(G_OBJECT(imd->image), "drag_begin",
- G_CALLBACK(image_mouse_drag_cb), imd);
- g_signal_connect(G_OBJECT(imd->image), "scroll_event",
+ g_signal_connect(G_OBJECT(imd->pr), "clicked",
+ G_CALLBACK(image_click_cb), imd);
+ g_signal_connect(G_OBJECT(imd->pr), "scroll_notify",
+ G_CALLBACK(image_scroll_notify_cb), imd);
+
+ g_signal_connect(G_OBJECT(imd->pr), "scroll_event",
G_CALLBACK(image_scroll_cb), imd);
- g_signal_connect(G_OBJECT(imd->widget), "destroy",
+ g_signal_connect(G_OBJECT(imd->pr), "destroy",
G_CALLBACK(image_destroy_cb), imd);
return imd;