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cairo: replace cairo with pixman in decos, particles and modules

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All decoration, particle and module interfaces now takes a
pixman_image_t parameter, and all drawing is done using pixman APIs.

The wayland/xcb backends implement a new interface functions,
get_pixman_image(), that should return a pixman image instance that is
suitable for rendering.

In the wayland backend, the image uses the same backing data as the
cairo surface.

In the XCB backend, we create a new image each time, and then blit it
to the cairo surface at commit time.
This commit is contained in:
Daniel Eklöf 2019-09-22 01:56:58 +02:00
parent 95385863ae
commit c11fee4ce3
No known key found for this signature in database
GPG key ID: 5BBD4992C116573F
24 changed files with 162 additions and 141 deletions
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10
particle.h
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@ -1,5 +1,5 @@
#pragma once
#include <cairo.h>
#include <pixman.h>
#include "color.h"
#include "decoration.h"
@ -14,7 +14,7 @@ struct particle {
int left_margin, right_margin;
char *on_click_template;
struct rgba foreground;
pixman_color_t foreground;
struct font *font;
struct deco *deco;
@ -37,7 +37,7 @@ struct exposable {
void (*destroy)(struct exposable *exposable);
int (*begin_expose)(struct exposable *exposable);
void (*expose)(const struct exposable *exposable, cairo_t *cr,
void (*expose)(const struct exposable *exposable, pixman_image_t *pix,
int x, int y, int height);
void (*on_mouse)(struct exposable *exposable, struct bar *bar,
@ -46,7 +46,7 @@ struct exposable {
struct particle *particle_common_new(
int left_margin, int right_margin, const char *on_click_template,
struct font *font, struct rgba foreground, struct deco *deco);
struct font *font, pixman_color_t foreground, struct deco *deco);
void particle_default_destroy(struct particle *particle);
@ -54,7 +54,7 @@ struct exposable *exposable_common_new(
const struct particle *particle, const char *on_click);
void exposable_default_destroy(struct exposable *exposable);
void exposable_render_deco(
const struct exposable *exposable, cairo_t *cr, int x, int y, int height);
const struct exposable *exposable, pixman_image_t *pix, int x, int y, int height);
void exposable_default_on_mouse(
struct exposable *exposable, struct bar *bar,