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Convert cairo canvas draw_copy() to using pixman

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This is just identical to draw_blend().
This commit is contained in:
Alexander Larsson 2010-02-10 12:09:52 +01:00
parent eff0aa0298
commit 7fe1df4e14
1 changed files with 61 additions and 21 deletions
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82
common/cairo_canvas.c
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@ -1416,31 +1416,71 @@ static cairo_pattern_t *canvas_src_image_to_pat(CairoCanvas *canvas, SPICE_ADDRE
void canvas_draw_copy(CairoCanvas *canvas, SpiceRect *bbox, SpiceClip *clip, SpiceCopy *copy)
{
cairo_t *cairo = canvas->cairo;
cairo_pattern_t *pattern;
cairo_pattern_t *mask;
pixman_region32_t dest_region;
SpiceROP rop;
cairo_save(cairo);
canvas_clip(canvas, clip);
pixman_region32_init_rect(&dest_region,
bbox->left, bbox->top,
bbox->right - bbox->left,
bbox->bottom - bbox->top);
pattern = canvas_src_image_to_pat(canvas, copy->src_bitmap, &copy->src_area, bbox,
copy->rop_decriptor & SPICE_ROPD_INVERS_SRC, copy->scale_mode);
cairo_set_source(cairo, pattern);
cairo_pattern_destroy(pattern);
cairo_set_operator(cairo, CAIRO_OPERATOR_RASTER_COPY);
if ((mask = canvas_get_mask_pattern(canvas, &copy->mask, bbox->left, bbox->top))) {
cairo_rectangle(cairo, bbox->left, bbox->top, bbox->right - bbox->left,
bbox->bottom - bbox->top);
cairo_clip(cairo);
cairo_mask(cairo, mask);
cairo_pattern_destroy(mask);
} else {
cairo_rectangle(cairo, bbox->left, bbox->top, bbox->right - bbox->left,
bbox->bottom - bbox->top);
cairo_fill(cairo);
canvas_clip_pixman(canvas, &dest_region, clip);
canvas_mask_pixman(canvas, &dest_region, &copy->mask,
bbox->left, bbox->top);
rop = ropd_descriptor_to_rop(copy->rop_decriptor,
ROP_INPUT_SRC,
ROP_INPUT_DEST);
if (rop == SPICE_ROP_NOOP || pixman_region32_n_rects(&dest_region) == 0) {
canvas_touch_image(&canvas->base, copy->src_bitmap);
pixman_region32_fini(&dest_region);
return;
}
cairo_restore(cairo);
if (rect_is_same_size(bbox, &copy->src_area)) {
if (rop == SPICE_ROP_COPY) {
blit_image(canvas, &dest_region,
copy->src_bitmap,
bbox->left - copy->src_area.left,
bbox->top - copy->src_area.top);
} else {
blit_image_rop(canvas, &dest_region,
copy->src_bitmap,
bbox->left - copy->src_area.left,
bbox->top - copy->src_area.top,
rop);
}
} else {
if (rop == SPICE_ROP_COPY) {
scale_image(canvas, &dest_region,
copy->src_bitmap,
copy->src_area.left,
copy->src_area.top,
copy->src_area.right - copy->src_area.left,
copy->src_area.bottom - copy->src_area.top,
bbox->left,
bbox->top,
bbox->right - bbox->left,
bbox->bottom - bbox->top,
copy->scale_mode);
} else {
scale_image_rop(canvas, &dest_region,
copy->src_bitmap,
copy->src_area.left,
copy->src_area.top,
copy->src_area.right - copy->src_area.left,
copy->src_area.bottom - copy->src_area.top,
bbox->left,
bbox->top,
bbox->right - bbox->left,
bbox->bottom - bbox->top,
copy->scale_mode,
rop);
}
}
pixman_region32_fini(&dest_region);
}
#ifdef WIN32