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Convert draw_blackness/whiteness/invers to using pixman

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This commit is contained in:
Alexander Larsson 2010-02-12 16:22:01 +01:00
parent 974c662ae4
commit 3b2f1fcb22
1 changed files with 61 additions and 16 deletions
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77
common/cairo_canvas.c
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@ -2053,30 +2053,75 @@ static inline void canvas_fill_common(CairoCanvas *canvas, SpiceRect *bbox, Spic
void canvas_draw_blackness(CairoCanvas *canvas, SpiceRect *bbox, SpiceClip *clip, SpiceBlackness *blackness)
{
cairo_t *cairo = canvas->cairo;
cairo_save(cairo);
cairo_set_source_rgb(cairo, 0, 0, 0);
canvas_fill_common(canvas, bbox, clip, &blackness->mask);
cairo_restore(cairo);
pixman_region32_t dest_region;
pixman_region32_init_rect(&dest_region,
bbox->left, bbox->top,
bbox->right - bbox->left,
bbox->bottom - bbox->top);
canvas_clip_pixman(canvas, &dest_region, clip);
canvas_mask_pixman(canvas, &dest_region, &blackness->mask,
bbox->left, bbox->top);
if (pixman_region32_n_rects(&dest_region) == 0) {
pixman_region32_fini (&dest_region);
return;
}
fill_solid_rects(canvas, &dest_region, 0x000000);
pixman_region32_fini(&dest_region);
}
void canvas_draw_whiteness(CairoCanvas *canvas, SpiceRect *bbox, SpiceClip *clip, SpiceWhiteness *whiteness)
{
cairo_t *cairo = canvas->cairo;
cairo_save(cairo);
cairo_set_source_rgb(cairo, 1, 1, 1);
canvas_fill_common(canvas, bbox, clip, &whiteness->mask);
cairo_restore(cairo);
pixman_region32_t dest_region;
pixman_region32_init_rect(&dest_region,
bbox->left, bbox->top,
bbox->right - bbox->left,
bbox->bottom - bbox->top);
canvas_clip_pixman(canvas, &dest_region, clip);
canvas_mask_pixman(canvas, &dest_region, &whiteness->mask,
bbox->left, bbox->top);
if (pixman_region32_n_rects(&dest_region) == 0) {
pixman_region32_fini(&dest_region);
return;
}
fill_solid_rects(canvas, &dest_region, 0xffffffff);
pixman_region32_fini(&dest_region);
}
void canvas_draw_invers(CairoCanvas *canvas, SpiceRect *bbox, SpiceClip *clip, SpiceInvers *invers)
{
cairo_t *cairo = canvas->cairo;
cairo_save(cairo);
cairo_set_source_rgb(cairo, 1, 1, 1);
cairo_set_operator(cairo, CAIRO_OPERATOR_RASTER_XOR);
canvas_fill_common(canvas, bbox, clip, &invers->mask);
cairo_restore(cairo);
pixman_region32_t dest_region;
pixman_region32_init_rect(&dest_region,
bbox->left, bbox->top,
bbox->right - bbox->left,
bbox->bottom - bbox->top);
canvas_clip_pixman(canvas, &dest_region, clip);
canvas_mask_pixman(canvas, &dest_region, &invers->mask,
bbox->left, bbox->top);
if (pixman_region32_n_rects(&dest_region) == 0) {
pixman_region32_fini(&dest_region);
return;
}
fill_solid_rects_rop(canvas, &dest_region, 0x00000000,
SPICE_ROP_INVERT);
pixman_region32_fini(&dest_region);
}
void canvas_draw_rop3(CairoCanvas *canvas, SpiceRect *bbox, SpiceClip *clip, SpiceRop3 *rop3)