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Extract cairo_clear_surface.

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This commit refactors the i3bar drawing code to also define an abstraction
function for clearing a surface. This is needed to fully abstract i3bar/xcb.c's
drawing code so that we can introduce a switch to easily exchange the
underlying drawing mechanism.
This commit is contained in:
Ingo Bürk
2015-10-14 19:03:05 +02:00
parent 8178910f16
commit 46bcc55f6f
3 changed files with 32 additions and 12 deletions
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14
i3bar/src/xcb.c
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@ -244,12 +244,7 @@ void refresh_statusline(bool use_short_text) {
realloc_sl_buffer();
/* Clear the statusline pixmap. */
cairo_save(statusline_surface.cr);
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_restore(statusline_surface.cr);
cairo_clear_surface(&statusline_surface, colors.bar_bg);
/* Draw the text of each block. */
uint32_t x = 0;
@ -1797,12 +1792,7 @@ void draw_bars(bool unhide) {
}
/* First things first: clear the backbuffer */
cairo_save(outputs_walk->buffer.cr);
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_restore(outputs_walk->buffer.cr);
cairo_clear_surface(&(outputs_walk->buffer), colors.bar_bg);
if (!config.disable_ws) {
i3_ws *ws_walk;