diff options
Diffstat (limited to 'src/ui/frames.c')
| -rw-r--r-- | src/ui/frames.c | 144 |
1 files changed, 17 insertions, 127 deletions
diff --git a/src/ui/frames.c b/src/ui/frames.c index 68dfc8bf..4bc4def0 100644 --- a/src/ui/frames.c +++ b/src/ui/frames.c @@ -810,37 +810,6 @@ meta_frames_get_borders (MetaFrames *frames, } static void -meta_ui_frame_get_corner_radiuses (MetaFrames *frames, - MetaUIFrame *frame, - float *top_left, - float *top_right, - float *bottom_left, - float *bottom_right) -{ - MetaFrameGeometry fgeom; - - meta_frames_calc_geometry (frames, frame, &fgeom); - - /* For compatibility with the code in get_visible_rect(), there's - * a mysterious sqrt() added to the corner radiuses: - * - * const float radius = sqrt(corner) + corner; - * - * It's unclear why the radius is calculated like this, but we - * need to be consistent with it. - */ - - if (top_left) - *top_left = fgeom.top_left_corner_rounded_radius + sqrt(fgeom.top_left_corner_rounded_radius); - if (top_right) - *top_right = fgeom.top_right_corner_rounded_radius + sqrt(fgeom.top_right_corner_rounded_radius); - if (bottom_left) - *bottom_left = fgeom.bottom_left_corner_rounded_radius + sqrt(fgeom.bottom_left_corner_rounded_radius); - if (bottom_right) - *bottom_right = fgeom.bottom_right_corner_rounded_radius + sqrt(fgeom.bottom_right_corner_rounded_radius); -} - -static void apply_cairo_region_to_window (Display *display, Window xwindow, cairo_region_t *region, @@ -2477,6 +2446,23 @@ cached_pixels_draw (CachedPixels *pixels, } } +void +meta_frames_get_mask (MetaFrames *frames, + Window xwindow, + guint width, + guint height, + cairo_t *cr) +{ + MetaUIFrame *frame; + + frame = meta_frames_lookup_window (frames, xwindow); + + if (frame == NULL) + return; + + meta_frames_paint (frames, frame, cr); +} + /* XXX -- this is disgusting. Find a better approach here. * Use multiple widgets? */ static MetaUIFrame * @@ -2494,102 +2480,6 @@ find_frame_to_draw (MetaFrames *frames, return NULL; } -#define TAU (2*M_PI) - -/* - * Draw the opaque and semi-opaque pixels of this frame into a mask. - * - * (0,0) in Cairo coordinates is assumed to be the top left corner of the - * invisible border. - * - * The parts of @cr's surface in the clip region are assumed to be - * initialized to fully-transparent, and the clip region is assumed to - * contain the invisible border and the visible parts of the frame, but - * not the client area. - * - * This function uses @cr to draw pixels of arbitrary color (it will - * typically be drawing in a %CAIRO_FORMAT_A8 surface, so the color is - * discarded anyway) with appropriate alpha values to reproduce this - * frame's alpha channel, as a mask to be applied to an opaque pixmap. - * - * @frame: This frame - * @xwindow: The X window for the frame, which has the client window as a child - * @width: The width of the framed window including any invisible borders - * @height: The height of the framed window including any invisible borders - * @cr: Used to draw the resulting mask - */ -void -meta_frames_get_mask (MetaFrames *frames, - Window xwindow, - guint width, - guint height, - cairo_t *cr) -{ - MetaUIFrame *frame = meta_frames_lookup_window (frames, xwindow); - float top_left, top_right, bottom_left, bottom_right; - int x, y; - MetaFrameBorders borders; - - if (frame == NULL) - meta_bug ("No such frame 0x%lx\n", xwindow); - - cairo_save (cr); - - meta_ui_frame_get_borders (frames, frame, &borders); - meta_ui_frame_get_corner_radiuses (frames, frame, - &top_left, &top_right, - &bottom_left, &bottom_right); - - /* top left */ - x = borders.invisible.left; - y = borders.invisible.top; - - cairo_arc (cr, - x + top_left, - y + top_left, - top_left, - 2 * TAU / 4, - 3 * TAU / 4); - - /* top right */ - x = width - borders.invisible.right - top_right; - y = borders.invisible.top; - - cairo_arc (cr, - x, - y + top_right, - top_right, - 3 * TAU / 4, - 4 * TAU / 4); - - /* bottom right */ - x = width - borders.invisible.right - bottom_right; - y = height - borders.invisible.bottom - bottom_right; - - cairo_arc (cr, - x, - y, - bottom_right, - 0 * TAU / 4, - 1 * TAU / 4); - - /* bottom left */ - x = borders.invisible.left; - y = height - borders.invisible.bottom - bottom_left; - - cairo_arc (cr, - x + bottom_left, - y, - bottom_left, - 1 * TAU / 4, - 2 * TAU / 4); - - cairo_set_source_rgba (cr, 1, 1, 1, 1); - cairo_fill (cr); - - cairo_restore (cr); -} - static gboolean meta_frames_draw (GtkWidget *widget, cairo_t *cr) |