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Introduce a macro to flush a cairo surface twice.

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Flushing the surface twice is necessary due to a cairo bug. For context,
refer to #1989 and https://bugs.freedesktop.org/show_bug.cgi?id=92455.
This commit is contained in:
Ingo Bürk
2015-10-14 18:57:16 +02:00
parent 54dbbe2f06
commit 8178910f16
4 changed files with 17 additions and 6 deletions
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8
i3bar/src/cairo_util.c
View File

@ -79,7 +79,7 @@ void cairo_set_source_color(surface_t *surface, color_t color) {
*/
void cairo_draw_text(i3String *text, surface_t *surface, color_t fg_color, color_t bg_color, int x, int y, int max_width) {
/* Flush any changes before we draw the text as this might use XCB directly. */
cairo_surface_flush(surface->surface);
CAIRO_SURFACE_FLUSH(surface->surface);
set_font_colors(surface->gc, fg_color.colorpixel, bg_color.colorpixel);
draw_text(text, surface->id, surface->gc, visual_type, x, y, max_width);
@ -109,7 +109,7 @@ void cairo_draw_rectangle(surface_t *surface, color_t color, double x, double y,
/* Make sure we flush the surface for any text drawing operations that could follow.
* Since we support drawing text via XCB, we need this. */
cairo_surface_flush(surface->surface);
CAIRO_SURFACE_FLUSH(surface->surface);
cairo_restore(surface->cr);
}
@ -134,7 +134,7 @@ void cairo_copy_surface(surface_t *src, surface_t *dest, double src_x, double sr
/* Make sure we flush the surface for any text drawing operations that could follow.
* Since we support drawing text via XCB, we need this. */
cairo_surface_flush(src->surface);
cairo_surface_flush(dest->surface);
CAIRO_SURFACE_FLUSH(src->surface);
CAIRO_SURFACE_FLUSH(dest->surface);
cairo_restore(dest->cr);
}

4
i3bar/src/xcb.c
View File

@ -248,7 +248,7 @@ void refresh_statusline(bool use_short_text) {
cairo_set_source_color(&statusline_surface, colors.bar_bg);
cairo_set_operator(statusline_surface.cr, CAIRO_OPERATOR_SOURCE);
cairo_paint(statusline_surface.cr);
cairo_surface_flush(statusline_surface.surface);
CAIRO_SURFACE_FLUSH(statusline_surface.surface);
cairo_restore(statusline_surface.cr);
/* Draw the text of each block. */
@ -1801,7 +1801,7 @@ void draw_bars(bool unhide) {
cairo_set_source_color(&(outputs_walk->buffer), colors.bar_bg);
cairo_set_operator(outputs_walk->buffer.cr, CAIRO_OPERATOR_SOURCE);
cairo_paint(outputs_walk->buffer.cr);
cairo_surface_flush(outputs_walk->buffer.surface);
CAIRO_SURFACE_FLUSH(outputs_walk->buffer.surface);
cairo_restore(outputs_walk->buffer.cr);
if (!config.disable_ws) {