/*
* Geeqie
* (C) 2006 John Ellis
- * Copyright (C) 2008 The Geeqie Team
+ * Copyright (C) 2008 - 2012 The Geeqie Team
*
* Author: John Ellis
*
#ifndef PIXBUF_RENDERER_H
#define PIXBUF_RENDERER_H
-#include <gtk/gtkeventbox.h>
-#include <gtk/gtkwindow.h>
-
-
#define TYPE_PIXBUF_RENDERER (pixbuf_renderer_get_type())
#define PIXBUF_RENDERER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), TYPE_PIXBUF_RENDERER, PixbufRenderer))
#define PIXBUF_RENDERER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), TYPE_PIXBUF_RENDERER, PixbufRendererClass))
#define IS_PIXBUF_RENDERER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), TYPE_PIXBUF_RENDERER))
#define PIXBUF_RENDERER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), TYPE_PIXBUF_RENDERER, PixbufRendererClass))
+/* alpha channel checkerboard background (same as gimp) */
+#define PR_ALPHA_CHECK1 0x00999999
+#define PR_ALPHA_CHECK2 0x00666666
+#define PR_ALPHA_CHECK_SIZE 16
+/* when scaling image to below this size, use nearest pixel for scaling
+ * (below about 4, the other scale types become slow generating their conversion tables)
+ */
+#define PR_MIN_SCALE_SIZE 8
+
+/* default size of tile cache (mb) */
+#define PR_CACHE_SIZE_DEFAULT 8
+
+/* round A up/down to integer count of B */
+#define ROUND_UP(A,B) ((gint)(((A)+(B)-1)/(B))*(B))
+#define ROUND_DOWN(A,B) ((gint)(((A))/(B))*(B))
+
+
+typedef struct _RendererFuncs RendererFuncs;
typedef struct _PixbufRenderer PixbufRenderer;
typedef struct _PixbufRendererClass PixbufRendererClass;
PR_SCROLL_RESET_COUNT,
} PixbufRendererScrollResetType;
+typedef enum {
+ TILE_RENDER_NONE = 0, /* do nothing */
+ TILE_RENDER_AREA, /* render an area of the tile */
+ TILE_RENDER_ALL /* render the whole tile */
+} ImageRenderType;
+
+typedef enum {
+ OVL_NORMAL = 0,
+ OVL_RELATIVE = 1 << 0, /* x,y coordinates are relative, negative values start bottom right */
+ /* OVL_HIDE_ON_SCROLL = 1 << 1*/ /* hide temporarily when scrolling (not yet implemented) */
+} OverlayRendererFlags;
+
+struct _RendererFuncs
+{
+// void (*redraw)(void *renderer, gint x, gint y, gint w, gint h,
+ // gint clamp, ImageRenderType render, gboolean new_data, gboolean only_existing);
+ void (*area_changed)(void *renderer, gint src_x, gint src_y, gint src_w, gint src_h); /* pixbuf area changed */
+ void (*invalidate_region)(void *renderer, gint x, gint y, gint w, gint h);
+ void (*scroll)(void *renderer, gint x_off, gint y_off); /* scroll */
+ void (*update_viewport)(void *renderer); /* window / wiewport / border color has changed */
+ void (*update_pixbuf)(void *renderer, gboolean lazy); /* pixbuf has changed */
+ void (*update_zoom)(void *renderer, gboolean lazy); /* zoom has changed */
+
+ gint (*overlay_add)(void *renderer, GdkPixbuf *pixbuf, gint x, gint y, OverlayRendererFlags flags);
+ void (*overlay_set)(void *renderer, gint id, GdkPixbuf *pixbuf, gint x, gint y);
+ gboolean (*overlay_get)(void *renderer, gint id, GdkPixbuf **pixbuf, gint *x, gint *y);
+
+ void (*stereo_set)(void *renderer, gint stereo_mode); /* set stereo mode */
+
+ void (*free)(void *renderer);
+};
+
struct _PixbufRenderer
{
GtkEventBox eventbox;
gint image_width; /* image actual dimensions (pixels) */
gint image_height;
+ gint stereo_pixbuf_offset_right; /* offset of the right part of the stereo image in pixbuf */
+ gint stereo_pixbuf_offset_left; /* offset of the left part of the stereo image in pixbuf */
GdkPixbuf *pixbuf;
gint window_width; /* allocated size of window (drawing area) */
gint window_height;
- gint x_offset; /* offset of image start (non-zero when image < window) */
+ gint viewport_width; /* allocated size of viewport (same as window for normal mode, half of window for SBS mode) */
+ gint viewport_height;
+
+ gint x_offset; /* offset of image start (non-zero when viewport < window) */
gint y_offset;
+ gint x_mouse; /* coordinates of the mouse taken from GtkEvent */
+ gint y_mouse;
+
gint vis_width; /* dimensions of visible part of image */
gint vis_height;
gint x_scroll; /* scroll offset of image (into width, height to start drawing) */
gint y_scroll;
+ gdouble norm_center_x; /* coordinates of viewport center in the image, in range 0.0 - 1.0 */
+ gdouble norm_center_y; /* these coordinates are used for PR_SCROLL_RESET_NOCHANGE and should be preserved over periods with NULL pixbuf */
+
gdouble subpixel_x_scroll; /* subpixel scroll alignment, used to prevent acumulation of rounding errors */
gdouble subpixel_y_scroll;
gdouble zoom; /* zoom we want (0 is auto) */
gdouble scale; /* zoom we got (should never be 0) */
+ gdouble aspect_ratio; /* screen pixel aspect ratio (2.0 for 3DTV SBS mode) */
+
GdkInterpType zoom_quality;
gboolean zoom_2pass;
gboolean zoom_expand;
- GdkRgbDither dither_quality;
-
PixbufRendererScrollResetType scroll_reset;
gboolean has_frame;
gint autofit_limit_size;
- gint tile_cache_max; /* max mb to use for offscreen buffer */
/*< private >*/
-
- gint tile_width;
- gint tile_height;
- gint tile_cols; /* count of tile columns */
- GList *tiles; /* list of buffer tiles */
- gint tile_cache_size; /* allocated size of pixmaps/pixbufs */
- GList *draw_queue; /* list of areas to redraw */
- GList *draw_queue_2pass;/* list when 2 pass is enabled */
-
- gint draw_idle_id;
-
gboolean in_drag;
gint drag_last_x;
gint drag_last_y;
gboolean complete;
gboolean debug_updated; /* debug only */
- gint scroller_id;
+ guint scroller_id; /* event source id */
gint scroller_overlay;
gint scroller_x;
gint scroller_y;
gint scroller_xinc;
gint scroller_yinc;
- GList *overlay_list;
- GdkPixmap *overlay_buffer;
+ gint orientation;
+
+ gint stereo_mode;
- GdkPixbuf *spare_tile;
+ StereoPixbufData stereo_data;
+ gboolean stereo_temp_disable;
+ gint stereo_fixed_width;
+ gint stereo_fixed_height;
+ gint stereo_fixed_x_left;
+ gint stereo_fixed_y_left;
+ gint stereo_fixed_x_right;
+ gint stereo_fixed_y_right;
- gint orientation;
+ RendererFuncs *renderer;
+ RendererFuncs *renderer2;
};
struct _PixbufRendererClass
void (*zoom)(PixbufRenderer *pr, gdouble zoom);
void (*clicked)(PixbufRenderer *pr, GdkEventButton *event);
void (*scroll_notify)(PixbufRenderer *pr);
+ void (*update_pixel)(PixbufRenderer *pr);
void (*render_complete)(PixbufRenderer *pr);
void (*drag)(PixbufRenderer *pr, GdkEventButton *event);
};
-GType pixbuf_renderer_get_type (void);
+
+
+GType pixbuf_renderer_get_type(void);
PixbufRenderer *pixbuf_renderer_new(void);
/* display a pixbuf */
void pixbuf_renderer_set_pixbuf(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom);
+
+/* same as pixbuf_renderer_set_pixbuf but waits with redrawing for pixbuf_renderer_area_changed */
+void pixbuf_renderer_set_pixbuf_lazy(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom, gint orientation, StereoPixbufData stereo_data);
+
+
GdkPixbuf *pixbuf_renderer_get_pixbuf(PixbufRenderer *pr);
void pixbuf_renderer_set_orientation(PixbufRenderer *pr, gint orientation);
gint pixbuf_renderer_get_orientation(PixbufRenderer *pr);
-void pixbuf_renderer_set_post_process_func(PixbufRenderer *pr, PixbufRendererPostProcessFunc func, gpointer user_data, gint slow);
+/* sets the format of stereo data in the input pixbuf */
+void pixbuf_renderer_set_stereo_data(PixbufRenderer *pr, StereoPixbufData stereo_data);
+
+void pixbuf_renderer_set_post_process_func(PixbufRenderer *pr, PixbufRendererPostProcessFunc func, gpointer user_data, gboolean slow);
/* display an on-request array of pixbuf tiles */
/* move image data from source to pr, source is then set to NULL image */
void pixbuf_renderer_move(PixbufRenderer *pr, PixbufRenderer *source);
+void pixbuf_renderer_copy(PixbufRenderer *pr, PixbufRenderer *source);
/* update region of existing image */
/* sizes */
-gint pixbuf_renderer_get_image_size(PixbufRenderer *pr, gint *width, gint *height);
-gint pixbuf_renderer_get_scaled_size(PixbufRenderer *pr, gint *width, gint *height);
+gboolean pixbuf_renderer_get_image_size(PixbufRenderer *pr, gint *width, gint *height);
+gboolean pixbuf_renderer_get_scaled_size(PixbufRenderer *pr, gint *width, gint *height);
/* region of image in pixel coordinates */
-gint pixbuf_renderer_get_visible_rect(PixbufRenderer *pr, GdkRectangle *rect);
+gboolean pixbuf_renderer_get_visible_rect(PixbufRenderer *pr, GdkRectangle *rect);
/* actual size of the PixbufRenderer window minus borders,
* x and y are the scroll offset and include zoom factor.
*/
-gint pixbuf_renderer_get_virtual_rect(PixbufRenderer *pr, GdkRectangle *rect);
+gboolean pixbuf_renderer_get_virtual_rect(PixbufRenderer *pr, GdkRectangle *rect);
/* background color */
void pixbuf_renderer_set_color(PixbufRenderer *pr, GdkColor *color);
/* overlay */
-typedef enum {
- OVL_NORMAL = 0,
- OVL_RELATIVE = 1 << 0, /* x,y coordinates are relative, negative values start bottom right */
- /* OVL_HIDE_ON_SCROLL = 1 << 1*/ /* hide temporarily when scrolling (not yet implemented) */
-} OverlayRendererFlags;
gint pixbuf_renderer_overlay_add(PixbufRenderer *pr, GdkPixbuf *pixbuf, gint x, gint y,
OverlayRendererFlags flags);
void pixbuf_renderer_overlay_set(PixbufRenderer *pr, gint id, GdkPixbuf *pixbuf, gint x, gint y);
-gint pixbuf_renderer_overlay_get(PixbufRenderer *pr, gint id, GdkPixbuf **pixbuf, gint *x, gint *y);
+gboolean pixbuf_renderer_overlay_get(PixbufRenderer *pr, gint id, GdkPixbuf **pixbuf, gint *x, gint *y);
void pixbuf_renderer_overlay_remove(PixbufRenderer *pr, gint id);
+gboolean pixbuf_renderer_get_mouse_position(PixbufRenderer *pr, gint *x_pixel, gint *y_pixel);
+/* x_pixel and y_pixel are the pixel coordinates \see pixbuf_renderer_get_mouse_position */
+gboolean pixbuf_renderer_get_pixel_colors(PixbufRenderer *pr, gint x_pixel, gint y_pixel,
+ gint *r_mouse, gint *g_mouse, gint *b_mouse);
+
+void pixbuf_renderer_set_size_early(PixbufRenderer *pr, guint width, guint height);
+
+/* stereo */
+void pixbuf_renderer_stereo_set(PixbufRenderer *pr, gint stereo_mode);
+gint pixbuf_renderer_stereo_get(PixbufRenderer *pr);
+void pixbuf_renderer_stereo_fixed_set(PixbufRenderer *pr, gint width, gint height, gint x1, gint y1, gint x2, gint y2);
+
+/* protected - for renderer use only*/
+
+typedef struct _SourceTile SourceTile;
+struct _SourceTile
+{
+ gint x;
+ gint y;
+ GdkPixbuf *pixbuf;
+ gboolean blank;
+};
+
+gboolean pr_clip_region(gint x, gint y, gint w, gint h,
+ gint clip_x, gint clip_y, gint clip_w, gint clip_h,
+ gint *rx, gint *ry, gint *rw, gint *rh);
+void pr_render_complete_signal(PixbufRenderer *pr);
+
+void pr_tile_coords_map_orientation(gint orientation,
+ gdouble tile_x, gdouble tile_y, /* coordinates of the tile */
+ gdouble image_w, gdouble image_h,
+ gdouble tile_w, gdouble tile_h,
+ gdouble *res_x, gdouble *res_y);
+void pr_tile_region_map_orientation(gint orientation,
+ gint area_x, gint area_y, /* coordinates of the area inside tile */
+ gint tile_w, gint tile_h,
+ gint area_w, gint area_h,
+ gint *res_x, gint *res_y,
+ gint *res_w, gint *res_h);
+void pr_coords_map_orientation_reverse(gint orientation,
+ gint area_x, gint area_y,
+ gint tile_w, gint tile_h,
+ gint area_w, gint area_h,
+ gint *res_x, gint *res_y,
+ gint *res_w, gint *res_h);
+
+GList *pr_source_tile_compute_region(PixbufRenderer *pr, gint x, gint y, gint w, gint h, gboolean request);
+
+void pr_create_anaglyph(guint mode, GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h);
#endif
+/* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */