Add basic shadow support (stolen from m-w-m-2, thanks to tf)
This commit is contained in:
Matthew Allum
parent
c29232fd0d
commit
2c6c5a6dd1
@ -29,17 +29,26 @@
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#include <clutter/x11/clutter-x11.h>
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#include <clutter/x11/clutter-x11.h>
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#include <clutter/glx/clutter-glx.h>
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#include <clutter/glx/clutter-glx.h>
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#if COMPOSITE_MAJOR > 0 || COMPOSITE_MINOR >= 2
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#include <cogl/cogl.h>
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#define HAVE_NAME_WINDOW_PIXMAP 1
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#endif
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#if COMPOSITE_MAJOR > 0 || COMPOSITE_MINOR >= 3
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#define SHADOW_RADIUS 10
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#define HAVE_COW 1
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#define SHADOW_OPACITY 0.9
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#else
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#define SHADOW_OFFSET_X (-SHADOW_RADIUS)
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/* Don't have a cow man...HAAHAAHAA */
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#define SHADOW_OFFSET_Y (-SHADOW_RADIUS)
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#endif
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#define USE_IDLE_REPAINT 1
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#define MAX_TILE_SZ 30 /* make sure size/2 < MAX_TILE_SZ */
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#define TILE_WIDTH (3*MAX_TILE_SZ)
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#define TILE_HEIGHT (3*MAX_TILE_SZ)
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ClutterActor*
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tidy_texture_frame_new (ClutterTexture *texture,
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gint left,
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gint top,
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gint right,
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gint bottom);
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static unsigned char *
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shadow_gaussian_make_tile (void);
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#ifdef HAVE_COMPOSITE_EXTENSIONS
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#ifdef HAVE_COMPOSITE_EXTENSIONS
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static inline gboolean
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static inline gboolean
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@ -55,11 +64,6 @@ composite_at_least_version (MetaDisplay *display,
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return (major > maj || (major == maj && minor >= min));
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return (major > maj || (major == maj && minor >= min));
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}
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}
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#define have_name_window_pixmap(display) \
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composite_at_least_version (display, 0, 2)
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#define have_cow(display) \
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composite_at_least_version (display, 0, 3)
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#endif
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#endif
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typedef enum _MetaCompWindowType
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typedef enum _MetaCompWindowType
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@ -67,7 +71,10 @@ typedef enum _MetaCompWindowType
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META_COMP_WINDOW_NORMAL,
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META_COMP_WINDOW_NORMAL,
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META_COMP_WINDOW_DND,
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META_COMP_WINDOW_DND,
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META_COMP_WINDOW_DESKTOP,
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META_COMP_WINDOW_DESKTOP,
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META_COMP_WINDOW_DOCK
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META_COMP_WINDOW_DOCK,
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META_COMP_WINDOW_MENU,
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META_COMP_WINDOW_DROP_DOWN_MENU,
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META_COMP_WINDOW_TOOLTIP,
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} MetaCompWindowType;
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} MetaCompWindowType;
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typedef struct _MetaCompositorClutter
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typedef struct _MetaCompositorClutter
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@ -109,6 +116,8 @@ typedef struct _MetaCompScreen
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ClutterEffectTemplate *destroy_effect;
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ClutterEffectTemplate *destroy_effect;
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ClutterActor *shadow_src;
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} MetaCompScreen;
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} MetaCompScreen;
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typedef struct _MetaCompWindow
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typedef struct _MetaCompWindow
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@ -118,6 +127,7 @@ typedef struct _MetaCompWindow
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Window id;
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Window id;
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XWindowAttributes attrs;
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XWindowAttributes attrs;
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ClutterActor *actor;
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ClutterActor *actor;
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ClutterActor *shadow;
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Pixmap back_pixmap;
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Pixmap back_pixmap;
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int mode;
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int mode;
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@ -249,6 +259,58 @@ is_shaped (MetaDisplay *display,
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return FALSE;
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return FALSE;
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}
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}
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static gboolean
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window_has_shadow (MetaCompWindow *cw)
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{
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MetaCompScreen *info = meta_screen_get_compositor_data (cw->screen);
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/* Always put a shadow around windows with a frame - This should override
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the restriction about not putting a shadow around shaped windows
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as the frame might be the reason the window is shaped */
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if (cw->window)
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{
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if (meta_window_get_frame (cw->window)) {
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meta_verbose ("Window has shadow because it has a frame\n");
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return TRUE;
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}
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}
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/* Never put a shadow around shaped windows */
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if (cw->shaped) {
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meta_verbose ("Window has no shadow as it is shaped\n");
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return FALSE;
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}
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/* Don't put shadow around DND icon windows */
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if (cw->type == META_COMP_WINDOW_DND ||
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cw->type == META_COMP_WINDOW_DESKTOP) {
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meta_verbose ("Window has no shadow as it is DND or Desktop\n");
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return FALSE;
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}
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#if 0
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if (cw->mode != WINDOW_ARGB) {
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meta_verbose ("Window has shadow as it is not ARGB\n");
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return TRUE;
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}
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#endif
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if (cw->type == META_COMP_WINDOW_MENU ||
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cw->type == META_COMP_WINDOW_DROP_DOWN_MENU) {
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meta_verbose ("Window has shadow as it is a menu\n");
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return TRUE;
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}
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if (cw->type == META_COMP_WINDOW_TOOLTIP) {
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meta_verbose ("Window has shadow as it is a tooltip\n");
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return TRUE;
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}
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meta_verbose ("Window has no shadow as it fell through\n");
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return FALSE;
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}
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static void
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static void
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clutter_cmp_destroy (MetaCompositor *compositor)
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clutter_cmp_destroy (MetaCompositor *compositor)
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{
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{
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@ -416,6 +478,8 @@ restack_win (MetaCompWindow *cw,
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info->windows = g_list_delete_link (info->windows, sibling);
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info->windows = g_list_delete_link (info->windows, sibling);
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info->windows = g_list_append (info->windows, cw);
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info->windows = g_list_append (info->windows, cw);
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if (cw->shadow)
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clutter_actor_raise_top (cw->shadow);
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clutter_actor_raise_top (cw->actor);
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clutter_actor_raise_top (cw->actor);
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}
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}
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else if (previous_above != above)
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else if (previous_above != above)
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@ -436,6 +500,8 @@ restack_win (MetaCompWindow *cw,
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info->windows = g_list_insert_before (info->windows, index, cw);
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info->windows = g_list_insert_before (info->windows, index, cw);
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clutter_actor_raise (cw->actor, above_win->actor);
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clutter_actor_raise (cw->actor, above_win->actor);
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if (cw->shadow)
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clutter_actor_raise(cw->shadow, above_win->actor);
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}
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}
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}
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}
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}
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}
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@ -470,6 +536,11 @@ resize_win (MetaCompWindow *cw,
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clutter_actor_set_position (cw->actor, x, y);
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clutter_actor_set_position (cw->actor, x, y);
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if (cw->shadow)
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clutter_actor_set_position (cw->shadow,
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x + SHADOW_OFFSET_X ,
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y + SHADOW_OFFSET_Y);
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/* Note, let named named pixmap resync actually resize actor */
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/* Note, let named named pixmap resync actually resize actor */
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if (cw->attrs.width != width || cw->attrs.height != height)
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if (cw->attrs.width != width || cw->attrs.height != height)
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@ -524,6 +595,9 @@ map_win (MetaDisplay *display,
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cw->back_pixmap = None;
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cw->back_pixmap = None;
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}
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}
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if (cw->shadow)
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clutter_actor_show (cw->shadow);
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clutter_actor_show (cw->actor);
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clutter_actor_show (cw->actor);
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}
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}
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@ -556,6 +630,9 @@ unmap_win (MetaDisplay *display,
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free_win (cw, FALSE);
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free_win (cw, FALSE);
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clutter_actor_hide (cw->actor);
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clutter_actor_hide (cw->actor);
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if (cw->shadow)
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clutter_actor_hide (cw->shadow);
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}
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}
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@ -619,6 +696,23 @@ add_win (MetaScreen *screen,
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cw->actor = clutter_glx_texture_pixmap_new ();
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cw->actor = clutter_glx_texture_pixmap_new ();
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if (window_has_shadow(cw))
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{
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cw->shadow = tidy_texture_frame_new (CLUTTER_TEXTURE (info->shadow_src),
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MAX_TILE_SZ,
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MAX_TILE_SZ,
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MAX_TILE_SZ,
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MAX_TILE_SZ);
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clutter_container_add_actor (CLUTTER_CONTAINER (info->stage),
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cw->shadow);
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clutter_actor_set_position (cw->shadow,
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cw->attrs.x + SHADOW_OFFSET_X ,
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cw->attrs.y + SHADOW_OFFSET_Y);
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clutter_actor_hide (cw->shadow);
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}
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clutter_container_add_actor (CLUTTER_CONTAINER (info->stage), cw->actor);
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clutter_container_add_actor (CLUTTER_CONTAINER (info->stage), cw->actor);
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clutter_actor_set_position (cw->actor, cw->attrs.x, cw->attrs.y);
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clutter_actor_set_position (cw->actor, cw->attrs.x, cw->attrs.y);
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clutter_actor_hide (cw->actor);
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clutter_actor_hide (cw->actor);
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@ -684,6 +778,12 @@ repair_win (MetaCompWindow *cw)
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NULL);
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NULL);
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clutter_actor_set_size (cw->actor, pxm_width, pxm_height);
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clutter_actor_set_size (cw->actor, pxm_width, pxm_height);
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if (cw->shadow)
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clutter_actor_set_size (cw->shadow,
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pxm_width + (2 * SHADOW_RADIUS),
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pxm_height + (2 * SHADOW_RADIUS));
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clutter_actor_show (cw->actor);
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clutter_actor_show (cw->actor);
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}
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}
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@ -701,8 +801,8 @@ repair_win (MetaCompWindow *cw)
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parts = XFixesCreateRegion (xdisplay, 0, 0);
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parts = XFixesCreateRegion (xdisplay, 0, 0);
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XDamageSubtract (xdisplay, cw->damage, None, parts);
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XDamageSubtract (xdisplay, cw->damage, None, parts);
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if (1) /*clutter_glx_texture_pixmap_using_extension
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if (clutter_glx_texture_pixmap_using_extension
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(CLUTTER_GLX_TEXTURE_PIXMAP (cw->actor)))*/
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(CLUTTER_GLX_TEXTURE_PIXMAP (cw->actor)))
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{
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{
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clutter_x11_texture_pixmap_update_area
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clutter_x11_texture_pixmap_update_area
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(CLUTTER_X11_TEXTURE_PIXMAP (cw->actor),
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(CLUTTER_X11_TEXTURE_PIXMAP (cw->actor),
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@ -1043,6 +1143,7 @@ clutter_cmp_manage_screen (MetaCompositor *compositor,
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Window xroot = meta_screen_get_xroot (screen);
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Window xroot = meta_screen_get_xroot (screen);
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Window xwin;
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Window xwin;
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gint width, height;
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gint width, height;
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guchar *data;
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/* Check if the screen is already managed */
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/* Check if the screen is already managed */
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if (meta_screen_get_compositor_data (screen))
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if (meta_screen_get_compositor_data (screen))
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@ -1085,6 +1186,23 @@ clutter_cmp_manage_screen (MetaCompositor *compositor,
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XReparentWindow (xdisplay, xwin, info->output, 0, 0);
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XReparentWindow (xdisplay, xwin, info->output, 0, 0);
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/* Shadow setup */
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data = shadow_gaussian_make_tile ();
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info->shadow_src = clutter_texture_new ();
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clutter_texture_set_from_rgb_data (CLUTTER_TEXTURE (info->shadow_src),
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data,
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TRUE,
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TILE_WIDTH,
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TILE_HEIGHT,
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TILE_WIDTH*4,
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4,
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0,
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NULL);
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free (data);
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clutter_actor_show_all (info->stage);
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clutter_actor_show_all (info->stage);
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/* Now we're up and running we can show the output if needed */
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/* Now we're up and running we can show the output if needed */
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@ -1309,3 +1427,673 @@ meta_compositor_clutter_new (MetaDisplay *display)
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return NULL;
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return NULL;
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#endif
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#endif
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}
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}
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/* ------------------------------- */
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/* Shadow Generation */
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typedef struct GaussianMap
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{
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int size;
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double * data;
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} GaussianMap;
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static double
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gaussian (double r, double x, double y)
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{
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return ((1 / (sqrt (2 * M_PI * r))) *
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exp ((- (x * x + y * y)) / (2 * r * r)));
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}
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static GaussianMap *
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make_gaussian_map (double r)
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{
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GaussianMap *c;
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int size = ((int) ceil ((r * 3)) + 1) & ~1;
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int center = size / 2;
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int x, y;
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double t = 0.0;
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double g;
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c = malloc (sizeof (GaussianMap) + size * size * sizeof (double));
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c->size = size;
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c->data = (double *) (c + 1);
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for (y = 0; y < size; y++)
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for (x = 0; x < size; x++)
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{
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g = gaussian (r, (double) (x - center), (double) (y - center));
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t += g;
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c->data[y * size + x] = g;
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}
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for (y = 0; y < size; y++)
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for (x = 0; x < size; x++)
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c->data[y*size + x] /= t;
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return c;
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}
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static unsigned char
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sum_gaussian (GaussianMap * map, double opacity,
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int x, int y, int width, int height)
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{
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int fx, fy;
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double * g_data;
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double * g_line = map->data;
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int g_size = map->size;
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int center = g_size / 2;
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int fx_start, fx_end;
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int fy_start, fy_end;
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double v;
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unsigned int r;
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/*
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* Compute set of filter values which are "in range",
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* that's the set with:
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* 0 <= x + (fx-center) && x + (fx-center) < width &&
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* 0 <= y + (fy-center) && y + (fy-center) < height
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*
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* 0 <= x + (fx - center) x + fx - center < width
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* center - x <= fx fx < width + center - x
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*/
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fx_start = center - x;
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if (fx_start < 0)
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fx_start = 0;
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fx_end = width + center - x;
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if (fx_end > g_size)
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fx_end = g_size;
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fy_start = center - y;
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if (fy_start < 0)
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fy_start = 0;
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fy_end = height + center - y;
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if (fy_end > g_size)
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fy_end = g_size;
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g_line = g_line + fy_start * g_size + fx_start;
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v = 0;
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||||||
|
for (fy = fy_start; fy < fy_end; fy++)
|
||||||
|
{
|
||||||
|
g_data = g_line;
|
||||||
|
g_line += g_size;
|
||||||
|
|
||||||
|
for (fx = fx_start; fx < fx_end; fx++)
|
||||||
|
v += *g_data++;
|
||||||
|
}
|
||||||
|
if (v > 1)
|
||||||
|
v = 1;
|
||||||
|
|
||||||
|
v *= (opacity * 255.0);
|
||||||
|
|
||||||
|
r = (unsigned int) v;
|
||||||
|
|
||||||
|
return (unsigned char) r;
|
||||||
|
}
|
||||||
|
|
||||||
|
static unsigned char *
|
||||||
|
shadow_gaussian_make_tile ()
|
||||||
|
{
|
||||||
|
unsigned char * data;
|
||||||
|
int size;
|
||||||
|
int center;
|
||||||
|
int x, y;
|
||||||
|
unsigned char d;
|
||||||
|
int pwidth, pheight;
|
||||||
|
double opacity = SHADOW_OPACITY;
|
||||||
|
static GaussianMap * gaussian_map = NULL;
|
||||||
|
|
||||||
|
struct _mypixel
|
||||||
|
{
|
||||||
|
unsigned char r;
|
||||||
|
unsigned char g;
|
||||||
|
unsigned char b;
|
||||||
|
unsigned char a;
|
||||||
|
} * _d;
|
||||||
|
|
||||||
|
|
||||||
|
if (!gaussian_map)
|
||||||
|
gaussian_map =
|
||||||
|
make_gaussian_map (SHADOW_RADIUS);
|
||||||
|
|
||||||
|
size = gaussian_map->size;
|
||||||
|
center = size / 2;
|
||||||
|
|
||||||
|
/* Top & bottom */
|
||||||
|
|
||||||
|
pwidth = MAX_TILE_SZ;
|
||||||
|
pheight = MAX_TILE_SZ;
|
||||||
|
|
||||||
|
data = g_malloc0 (4 * TILE_WIDTH * TILE_HEIGHT);
|
||||||
|
|
||||||
|
_d = (struct _mypixel*) data;
|
||||||
|
|
||||||
|
/* N */
|
||||||
|
for (y = 0; y < pheight; y++)
|
||||||
|
{
|
||||||
|
d = sum_gaussian (gaussian_map, opacity,
|
||||||
|
center, y - center,
|
||||||
|
TILE_WIDTH, TILE_HEIGHT);
|
||||||
|
for (x = 0; x < pwidth; x++)
|
||||||
|
{
|
||||||
|
_d[y*3*pwidth + x + pwidth].r = 0;
|
||||||
|
_d[y*3*pwidth + x + pwidth].g = 0;
|
||||||
|
_d[y*3*pwidth + x + pwidth].b = 0;
|
||||||
|
_d[y*3*pwidth + x + pwidth].a = d;
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
/* S */
|
||||||
|
pwidth = MAX_TILE_SZ;
|
||||||
|
pheight = MAX_TILE_SZ;
|
||||||
|
|
||||||
|
for (y = 0; y < pheight; y++)
|
||||||
|
{
|
||||||
|
d = sum_gaussian (gaussian_map, opacity,
|
||||||
|
center, y - center,
|
||||||
|
TILE_WIDTH, TILE_HEIGHT);
|
||||||
|
for (x = 0; x < pwidth; x++)
|
||||||
|
{
|
||||||
|
_d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + x + pwidth].r = 0;
|
||||||
|
_d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + x + pwidth].g = 0;
|
||||||
|
_d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + x + pwidth].b = 0;
|
||||||
|
_d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + x + pwidth].a = d;
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/* w */
|
||||||
|
pwidth = MAX_TILE_SZ;
|
||||||
|
pheight = MAX_TILE_SZ;
|
||||||
|
|
||||||
|
for (x = 0; x < pwidth; x++)
|
||||||
|
{
|
||||||
|
d = sum_gaussian (gaussian_map, opacity,
|
||||||
|
x - center, center,
|
||||||
|
TILE_WIDTH, TILE_HEIGHT);
|
||||||
|
for (y = 0; y < pheight; y++)
|
||||||
|
{
|
||||||
|
_d[y*3*pwidth + 3*pwidth*pheight + x].r = 0;
|
||||||
|
_d[y*3*pwidth + 3*pwidth*pheight + x].g = 0;
|
||||||
|
_d[y*3*pwidth + 3*pwidth*pheight + x].b = 0;
|
||||||
|
_d[y*3*pwidth + 3*pwidth*pheight + x].a = d;
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
/* E */
|
||||||
|
for (x = 0; x < pwidth; x++)
|
||||||
|
{
|
||||||
|
d = sum_gaussian (gaussian_map, opacity,
|
||||||
|
x - center, center,
|
||||||
|
TILE_WIDTH, TILE_HEIGHT);
|
||||||
|
for (y = 0; y < pheight; y++)
|
||||||
|
{
|
||||||
|
_d[y*3*pwidth + 3*pwidth*pheight + (pwidth-x-1) + 2*pwidth].r = 0;
|
||||||
|
_d[y*3*pwidth + 3*pwidth*pheight + (pwidth-x-1) + 2*pwidth].g = 0;
|
||||||
|
_d[y*3*pwidth + 3*pwidth*pheight + (pwidth-x-1) + 2*pwidth].b = 0;
|
||||||
|
_d[y*3*pwidth + 3*pwidth*pheight + (pwidth-x-1) + 2*pwidth].a = d;
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
/* NW */
|
||||||
|
pwidth = MAX_TILE_SZ;
|
||||||
|
pheight = MAX_TILE_SZ;
|
||||||
|
|
||||||
|
for (x = 0; x < pwidth; x++)
|
||||||
|
for (y = 0; y < pheight; y++)
|
||||||
|
{
|
||||||
|
d = sum_gaussian (gaussian_map, opacity,
|
||||||
|
x-center, y-center,
|
||||||
|
TILE_WIDTH, TILE_HEIGHT);
|
||||||
|
|
||||||
|
_d[y*3*pwidth + x].r = 0;
|
||||||
|
_d[y*3*pwidth + x].g = 0;
|
||||||
|
_d[y*3*pwidth + x].b = 0;
|
||||||
|
_d[y*3*pwidth + x].a = d;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* SW */
|
||||||
|
for (x = 0; x < pwidth; x++)
|
||||||
|
for (y = 0; y < pheight; y++)
|
||||||
|
{
|
||||||
|
d = sum_gaussian (gaussian_map, opacity,
|
||||||
|
x-center, y-center,
|
||||||
|
TILE_WIDTH, TILE_HEIGHT);
|
||||||
|
|
||||||
|
_d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + x].r = 0;
|
||||||
|
_d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + x].g = 0;
|
||||||
|
_d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + x].b = 0;
|
||||||
|
_d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + x].a = d;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* SE */
|
||||||
|
for (x = 0; x < pwidth; x++)
|
||||||
|
for (y = 0; y < pheight; y++)
|
||||||
|
{
|
||||||
|
d = sum_gaussian (gaussian_map, opacity,
|
||||||
|
x-center, y-center,
|
||||||
|
TILE_WIDTH, TILE_HEIGHT);
|
||||||
|
|
||||||
|
_d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + (pwidth-x-1) +
|
||||||
|
2*pwidth].r = 0;
|
||||||
|
_d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + (pwidth-x-1) +
|
||||||
|
2*pwidth].g = 0;
|
||||||
|
_d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + (pwidth-x-1) +
|
||||||
|
2*pwidth].b = 0;
|
||||||
|
_d[(pheight-y-1)*3*pwidth + 6*pwidth*pheight + (pwidth-x-1) +
|
||||||
|
2*pwidth].a = d;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* NE */
|
||||||
|
for (x = 0; x < pwidth; x++)
|
||||||
|
for (y = 0; y < pheight; y++)
|
||||||
|
{
|
||||||
|
d = sum_gaussian (gaussian_map, opacity,
|
||||||
|
x-center, y-center,
|
||||||
|
TILE_WIDTH, TILE_HEIGHT);
|
||||||
|
|
||||||
|
_d[y*3*pwidth + (pwidth - x - 1) + 2*pwidth].r = 0;
|
||||||
|
_d[y*3*pwidth + (pwidth - x - 1) + 2*pwidth].g = 0;
|
||||||
|
_d[y*3*pwidth + (pwidth - x - 1) + 2*pwidth].b = 0;
|
||||||
|
_d[y*3*pwidth + (pwidth - x - 1) + 2*pwidth].a = d;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* center */
|
||||||
|
pwidth = MAX_TILE_SZ;
|
||||||
|
pheight = MAX_TILE_SZ;
|
||||||
|
|
||||||
|
d = sum_gaussian (gaussian_map, opacity,
|
||||||
|
center, center, TILE_WIDTH, TILE_HEIGHT);
|
||||||
|
|
||||||
|
for (x = 0; x < pwidth; x++)
|
||||||
|
for (y = 0; y < pheight; y++)
|
||||||
|
{
|
||||||
|
_d[y*3*pwidth + 3*pwidth*pheight + x + pwidth].r = 0;
|
||||||
|
_d[y*3*pwidth + 3*pwidth*pheight + x + pwidth].g = 0;
|
||||||
|
_d[y*3*pwidth + 3*pwidth*pheight + x + pwidth].b = 0;
|
||||||
|
_d[y*3*pwidth + 3*pwidth*pheight + x + pwidth].a = d;
|
||||||
|
}
|
||||||
|
|
||||||
|
return data;
|
||||||
|
}
|
||||||
|
|
||||||
|
#define TIDY_TYPE_TEXTURE_FRAME (tidy_texture_frame_get_type ())
|
||||||
|
|
||||||
|
#define TIDY_TEXTURE_FRAME(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_CAST ((obj), \
|
||||||
|
TIDY_TYPE_TEXTURE_FRAME, TidyTextureFrame))
|
||||||
|
|
||||||
|
#define TIDY_TEXTURE_FRAME_CLASS(klass) \
|
||||||
|
(G_TYPE_CHECK_CLASS_CAST ((klass), \
|
||||||
|
TIDY_TYPE_TEXTURE_FRAME, TidyTextureFrameClass))
|
||||||
|
|
||||||
|
#define TIDY_IS_TEXTURE_FRAME(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
|
||||||
|
TIDY_TYPE_TEXTURE_FRAME))
|
||||||
|
|
||||||
|
#define TIDY_IS_TEXTURE_FRAME_CLASS(klass) \
|
||||||
|
(G_TYPE_CHECK_CLASS_TYPE ((klass), \
|
||||||
|
TIDY_TYPE_TEXTURE_FRAME))
|
||||||
|
|
||||||
|
#define TIDY_TEXTURE_FRAME_GET_CLASS(obj) \
|
||||||
|
(G_TYPE_INSTANCE_GET_CLASS ((obj), \
|
||||||
|
TIDY_TYPE_TEXTURE_FRAME, TidyTextureFrameClass))
|
||||||
|
|
||||||
|
typedef struct _TidyTextureFrame TidyTextureFrame;
|
||||||
|
typedef struct _TidyTextureFramePrivate TidyTextureFramePrivate;
|
||||||
|
typedef struct _TidyTextureFrameClass TidyTextureFrameClass;
|
||||||
|
|
||||||
|
struct _TidyTextureFrame
|
||||||
|
{
|
||||||
|
ClutterCloneTexture parent;
|
||||||
|
|
||||||
|
/*< priv >*/
|
||||||
|
TidyTextureFramePrivate *priv;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct _TidyTextureFrameClass
|
||||||
|
{
|
||||||
|
ClutterCloneTextureClass parent_class;
|
||||||
|
|
||||||
|
/* padding for future expansion */
|
||||||
|
void (*_clutter_box_1) (void);
|
||||||
|
void (*_clutter_box_2) (void);
|
||||||
|
void (*_clutter_box_3) (void);
|
||||||
|
void (*_clutter_box_4) (void);
|
||||||
|
};
|
||||||
|
|
||||||
|
GType tidy_texture_frame_get_type (void) G_GNUC_CONST;
|
||||||
|
|
||||||
|
#define TIDY_PARAM_READABLE \
|
||||||
|
(G_PARAM_READABLE | \
|
||||||
|
G_PARAM_STATIC_NICK | G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB)
|
||||||
|
|
||||||
|
#define TIDY_PARAM_READWRITE \
|
||||||
|
(G_PARAM_READABLE | G_PARAM_WRITABLE | \
|
||||||
|
G_PARAM_STATIC_NICK | G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB)
|
||||||
|
|
||||||
|
|
||||||
|
enum
|
||||||
|
{
|
||||||
|
PROP_0,
|
||||||
|
PROP_LEFT,
|
||||||
|
PROP_TOP,
|
||||||
|
PROP_RIGHT,
|
||||||
|
PROP_BOTTOM
|
||||||
|
};
|
||||||
|
|
||||||
|
G_DEFINE_TYPE (TidyTextureFrame,
|
||||||
|
tidy_texture_frame,
|
||||||
|
CLUTTER_TYPE_CLONE_TEXTURE);
|
||||||
|
|
||||||
|
#define TIDY_TEXTURE_FRAME_GET_PRIVATE(obj) \
|
||||||
|
(G_TYPE_INSTANCE_GET_PRIVATE ((obj), TIDY_TYPE_TEXTURE_FRAME, TidyTextureFramePrivate))
|
||||||
|
|
||||||
|
struct _TidyTextureFramePrivate
|
||||||
|
{
|
||||||
|
gint left, top, right, bottom;
|
||||||
|
};
|
||||||
|
|
||||||
|
static void
|
||||||
|
tidy_texture_frame_paint (ClutterActor *self)
|
||||||
|
{
|
||||||
|
TidyTextureFramePrivate *priv = TIDY_TEXTURE_FRAME (self)->priv;
|
||||||
|
ClutterCloneTexture *clone_texture = CLUTTER_CLONE_TEXTURE (self);
|
||||||
|
ClutterTexture *parent_texture;
|
||||||
|
guint width, height;
|
||||||
|
guint tex_width, tex_height;
|
||||||
|
guint ex, ey;
|
||||||
|
ClutterFixed tx1, ty1, tx2, ty2;
|
||||||
|
ClutterColor col = { 0xff, 0xff, 0xff, 0xff };
|
||||||
|
CoglHandle cogl_texture;
|
||||||
|
|
||||||
|
priv = TIDY_TEXTURE_FRAME (self)->priv;
|
||||||
|
|
||||||
|
/* no need to paint stuff if we don't have a texture */
|
||||||
|
parent_texture = clutter_clone_texture_get_parent_texture (clone_texture);
|
||||||
|
if (!parent_texture)
|
||||||
|
return;
|
||||||
|
|
||||||
|
/* parent texture may have been hidden, so need to make sure it gets
|
||||||
|
* realized
|
||||||
|
*/
|
||||||
|
if (!CLUTTER_ACTOR_IS_REALIZED (parent_texture))
|
||||||
|
clutter_actor_realize (CLUTTER_ACTOR (parent_texture));
|
||||||
|
|
||||||
|
cogl_texture = clutter_texture_get_cogl_texture (parent_texture);
|
||||||
|
if (cogl_texture == COGL_INVALID_HANDLE)
|
||||||
|
return;
|
||||||
|
|
||||||
|
cogl_push_matrix ();
|
||||||
|
|
||||||
|
tex_width = cogl_texture_get_width (cogl_texture);
|
||||||
|
tex_height = cogl_texture_get_height (cogl_texture);
|
||||||
|
|
||||||
|
clutter_actor_get_size (self, &width, &height);
|
||||||
|
|
||||||
|
tx1 = CLUTTER_INT_TO_FIXED (priv->left) / tex_width;
|
||||||
|
tx2 = CLUTTER_INT_TO_FIXED (tex_width - priv->right) / tex_width;
|
||||||
|
ty1 = CLUTTER_INT_TO_FIXED (priv->top) / tex_height;
|
||||||
|
ty2 = CLUTTER_INT_TO_FIXED (tex_height - priv->bottom) / tex_height;
|
||||||
|
|
||||||
|
col.alpha = clutter_actor_get_abs_opacity (self);
|
||||||
|
cogl_color (&col);
|
||||||
|
|
||||||
|
ex = width - priv->right;
|
||||||
|
if (ex < 0)
|
||||||
|
ex = priv->right; /* FIXME ? */
|
||||||
|
|
||||||
|
ey = height - priv->bottom;
|
||||||
|
if (ey < 0)
|
||||||
|
ey = priv->bottom; /* FIXME ? */
|
||||||
|
|
||||||
|
#define FX(x) CLUTTER_INT_TO_FIXED(x)
|
||||||
|
|
||||||
|
/* top left corner */
|
||||||
|
cogl_texture_rectangle (cogl_texture,
|
||||||
|
0,
|
||||||
|
0,
|
||||||
|
FX(priv->left), /* FIXME: clip if smaller */
|
||||||
|
FX(priv->top),
|
||||||
|
0,
|
||||||
|
0,
|
||||||
|
tx1,
|
||||||
|
ty1);
|
||||||
|
|
||||||
|
/* top middle */
|
||||||
|
cogl_texture_rectangle (cogl_texture,
|
||||||
|
FX(priv->left),
|
||||||
|
FX(priv->top),
|
||||||
|
FX(ex),
|
||||||
|
0,
|
||||||
|
tx1,
|
||||||
|
0,
|
||||||
|
tx2,
|
||||||
|
ty1);
|
||||||
|
|
||||||
|
/* top right */
|
||||||
|
cogl_texture_rectangle (cogl_texture,
|
||||||
|
FX(ex),
|
||||||
|
0,
|
||||||
|
FX(width),
|
||||||
|
FX(priv->top),
|
||||||
|
tx2,
|
||||||
|
0,
|
||||||
|
CFX_ONE,
|
||||||
|
ty1);
|
||||||
|
|
||||||
|
/* mid left */
|
||||||
|
cogl_texture_rectangle (cogl_texture,
|
||||||
|
0,
|
||||||
|
FX(priv->top),
|
||||||
|
FX(priv->left),
|
||||||
|
FX(ey),
|
||||||
|
0,
|
||||||
|
ty1,
|
||||||
|
tx1,
|
||||||
|
ty2);
|
||||||
|
|
||||||
|
/* center */
|
||||||
|
cogl_texture_rectangle (cogl_texture,
|
||||||
|
FX(priv->left),
|
||||||
|
FX(priv->top),
|
||||||
|
FX(ex),
|
||||||
|
FX(ey),
|
||||||
|
tx1,
|
||||||
|
ty1,
|
||||||
|
tx2,
|
||||||
|
ty2);
|
||||||
|
|
||||||
|
/* mid right */
|
||||||
|
cogl_texture_rectangle (cogl_texture,
|
||||||
|
FX(ex),
|
||||||
|
FX(priv->top),
|
||||||
|
FX(width),
|
||||||
|
FX(ey),
|
||||||
|
tx2,
|
||||||
|
ty1,
|
||||||
|
CFX_ONE,
|
||||||
|
ty2);
|
||||||
|
|
||||||
|
/* bottom left */
|
||||||
|
cogl_texture_rectangle (cogl_texture,
|
||||||
|
0,
|
||||||
|
FX(ey),
|
||||||
|
FX(priv->left),
|
||||||
|
FX(height),
|
||||||
|
0,
|
||||||
|
ty2,
|
||||||
|
tx1,
|
||||||
|
CFX_ONE);
|
||||||
|
|
||||||
|
/* bottom center */
|
||||||
|
cogl_texture_rectangle (cogl_texture,
|
||||||
|
FX(priv->left),
|
||||||
|
FX(ey),
|
||||||
|
FX(ex),
|
||||||
|
FX(height),
|
||||||
|
tx1,
|
||||||
|
ty2,
|
||||||
|
tx2,
|
||||||
|
CFX_ONE);
|
||||||
|
|
||||||
|
/* bottom right */
|
||||||
|
cogl_texture_rectangle (cogl_texture,
|
||||||
|
FX(ex),
|
||||||
|
FX(ey),
|
||||||
|
FX(width),
|
||||||
|
FX(height),
|
||||||
|
tx2,
|
||||||
|
ty2,
|
||||||
|
CFX_ONE,
|
||||||
|
CFX_ONE);
|
||||||
|
|
||||||
|
|
||||||
|
cogl_pop_matrix ();
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static void
|
||||||
|
tidy_texture_frame_set_property (GObject *object,
|
||||||
|
guint prop_id,
|
||||||
|
const GValue *value,
|
||||||
|
GParamSpec *pspec)
|
||||||
|
{
|
||||||
|
TidyTextureFrame *ctexture = TIDY_TEXTURE_FRAME (object);
|
||||||
|
TidyTextureFramePrivate *priv = ctexture->priv;
|
||||||
|
|
||||||
|
switch (prop_id)
|
||||||
|
{
|
||||||
|
case PROP_LEFT:
|
||||||
|
priv->left = g_value_get_int (value);
|
||||||
|
break;
|
||||||
|
case PROP_TOP:
|
||||||
|
priv->top = g_value_get_int (value);
|
||||||
|
break;
|
||||||
|
case PROP_RIGHT:
|
||||||
|
priv->right = g_value_get_int (value);
|
||||||
|
break;
|
||||||
|
case PROP_BOTTOM:
|
||||||
|
priv->bottom = g_value_get_int (value);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
tidy_texture_frame_get_property (GObject *object,
|
||||||
|
guint prop_id,
|
||||||
|
GValue *value,
|
||||||
|
GParamSpec *pspec)
|
||||||
|
{
|
||||||
|
TidyTextureFrame *ctexture = TIDY_TEXTURE_FRAME (object);
|
||||||
|
TidyTextureFramePrivate *priv = ctexture->priv;
|
||||||
|
|
||||||
|
switch (prop_id)
|
||||||
|
{
|
||||||
|
case PROP_LEFT:
|
||||||
|
g_value_set_int (value, priv->left);
|
||||||
|
break;
|
||||||
|
case PROP_TOP:
|
||||||
|
g_value_set_int (value, priv->top);
|
||||||
|
break;
|
||||||
|
case PROP_RIGHT:
|
||||||
|
g_value_set_int (value, priv->right);
|
||||||
|
break;
|
||||||
|
case PROP_BOTTOM:
|
||||||
|
g_value_set_int (value, priv->bottom);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
tidy_texture_frame_class_init (TidyTextureFrameClass *klass)
|
||||||
|
{
|
||||||
|
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
|
||||||
|
ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (klass);
|
||||||
|
|
||||||
|
actor_class->paint = tidy_texture_frame_paint;
|
||||||
|
|
||||||
|
gobject_class->set_property = tidy_texture_frame_set_property;
|
||||||
|
gobject_class->get_property = tidy_texture_frame_get_property;
|
||||||
|
|
||||||
|
g_object_class_install_property
|
||||||
|
(gobject_class,
|
||||||
|
PROP_LEFT,
|
||||||
|
g_param_spec_int ("left",
|
||||||
|
"left",
|
||||||
|
"",
|
||||||
|
0, G_MAXINT,
|
||||||
|
0,
|
||||||
|
TIDY_PARAM_READWRITE));
|
||||||
|
|
||||||
|
g_object_class_install_property
|
||||||
|
(gobject_class,
|
||||||
|
PROP_TOP,
|
||||||
|
g_param_spec_int ("top",
|
||||||
|
"top",
|
||||||
|
"",
|
||||||
|
0, G_MAXINT,
|
||||||
|
0,
|
||||||
|
TIDY_PARAM_READWRITE));
|
||||||
|
|
||||||
|
g_object_class_install_property
|
||||||
|
(gobject_class,
|
||||||
|
PROP_BOTTOM,
|
||||||
|
g_param_spec_int ("bottom",
|
||||||
|
"bottom",
|
||||||
|
"",
|
||||||
|
0, G_MAXINT,
|
||||||
|
0,
|
||||||
|
TIDY_PARAM_READWRITE));
|
||||||
|
|
||||||
|
g_object_class_install_property
|
||||||
|
(gobject_class,
|
||||||
|
PROP_RIGHT,
|
||||||
|
g_param_spec_int ("right",
|
||||||
|
"right",
|
||||||
|
"",
|
||||||
|
0, G_MAXINT,
|
||||||
|
0,
|
||||||
|
TIDY_PARAM_READWRITE));
|
||||||
|
|
||||||
|
g_type_class_add_private (gobject_class, sizeof (TidyTextureFramePrivate));
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
tidy_texture_frame_init (TidyTextureFrame *self)
|
||||||
|
{
|
||||||
|
TidyTextureFramePrivate *priv;
|
||||||
|
|
||||||
|
self->priv = priv = TIDY_TEXTURE_FRAME_GET_PRIVATE (self);
|
||||||
|
}
|
||||||
|
|
||||||
|
ClutterActor*
|
||||||
|
tidy_texture_frame_new (ClutterTexture *texture,
|
||||||
|
gint left,
|
||||||
|
gint top,
|
||||||
|
gint right,
|
||||||
|
gint bottom)
|
||||||
|
{
|
||||||
|
g_return_val_if_fail (texture == NULL || CLUTTER_IS_TEXTURE (texture), NULL);
|
||||||
|
|
||||||
|
return g_object_new (TIDY_TYPE_TEXTURE_FRAME,
|
||||||
|
"parent-texture", texture,
|
||||||
|
"left", left,
|
||||||
|
"top", top,
|
||||||
|
"right", right,
|
||||||
|
"bottom", bottom,
|
||||||
|
NULL);
|
||||||
|
}
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user