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Get pixel masks from pixman image format

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This commit is contained in:
David Reveman 2004-09-12 15:34:00 +00:00
parent 3a1931baba
commit 3deeb1d178
3 changed files with 24 additions and 32 deletions
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2
ChangeLog
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@ -5,6 +5,8 @@
(_cairo_glitz_surface_create_pattern): cairo_surface_set_repeat
likes to get a cairo_surface_t pointer not a cairo_glitz_surface_t
pointer.
(_cairo_glitz_surface_set_image): Get pixel masks from pixman image
format.
2004-09-11 Carl Worth <stacyworth@pippin.local>

27
src/cairo-glitz-surface.c
View file

@ -191,24 +191,19 @@ _cairo_glitz_surface_set_image (void *abstract_surface,
cairo_glitz_surface_t *surface = abstract_surface;
glitz_buffer_t *buffer;
glitz_pixel_format_t pf;
pixman_format_t *format;
int am, rm, gm, bm;
format = pixman_image_get_format (image->pixman_image);
if (format == NULL)
return CAIRO_STATUS_NO_MEMORY;
if (image->depth > 8) {
pf.masks.bpp = 32;
if (surface->format->alpha_size)
pf.masks.alpha_mask = 0xff000000;
else
pf.masks.alpha_mask = 0x0;
pf.masks.red_mask = 0xff0000;
pf.masks.green_mask = 0xff00;
pf.masks.blue_mask = 0xff;
} else {
pf.masks.bpp = 8;
pf.masks.alpha_mask = 0xff;
pf.masks.red_mask = pf.masks.green_mask = pf.masks.blue_mask = 0x0;
}
pixman_format_get_masks (format, &pf.masks.bpp, &am, &rm, &gm, &bm);
pf.masks.alpha_mask = am;
pf.masks.red_mask = rm;
pf.masks.green_mask = gm;
pf.masks.blue_mask = bm;
pf.xoffset = 0;
pf.skip_lines = 0;
pf.bytes_per_line = (((image->width * pf.masks.bpp) / 8) + 3) & -4;

27
src/cairo_glitz_surface.c
View file

@ -191,24 +191,19 @@ _cairo_glitz_surface_set_image (void *abstract_surface,
cairo_glitz_surface_t *surface = abstract_surface;
glitz_buffer_t *buffer;
glitz_pixel_format_t pf;
pixman_format_t *format;
int am, rm, gm, bm;
format = pixman_image_get_format (image->pixman_image);
if (format == NULL)
return CAIRO_STATUS_NO_MEMORY;
if (image->depth > 8) {
pf.masks.bpp = 32;
if (surface->format->alpha_size)
pf.masks.alpha_mask = 0xff000000;
else
pf.masks.alpha_mask = 0x0;
pf.masks.red_mask = 0xff0000;
pf.masks.green_mask = 0xff00;
pf.masks.blue_mask = 0xff;
} else {
pf.masks.bpp = 8;
pf.masks.alpha_mask = 0xff;
pf.masks.red_mask = pf.masks.green_mask = pf.masks.blue_mask = 0x0;
}
pixman_format_get_masks (format, &pf.masks.bpp, &am, &rm, &gm, &bm);
pf.masks.alpha_mask = am;
pf.masks.red_mask = rm;
pf.masks.green_mask = gm;
pf.masks.blue_mask = bm;
pf.xoffset = 0;
pf.skip_lines = 0;
pf.bytes_per_line = (((image->width * pf.masks.bpp) / 8) + 3) & -4;