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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
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GPG key ID: 5BBD4992C116573F
24 changed files with 162 additions and 141 deletions
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3
bar/backend.h
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@ -11,7 +11,8 @@ struct backend {
void (*expose)(const struct bar *bar),
void (*on_mouse)(struct bar *bar, enum mouse_event event,
int x, int y));
void (*commit_surface)(const struct bar *bar);
pixman_image_t *(*get_pixman_image)(const struct bar *bar);
void (*commit_pixman)(const struct bar *bar, pixman_image_t *pix);
void (*refresh)(const struct bar *bar);
void (*set_cursor)(struct bar *bar, const char *cursor);
};