static void
fz_draw_pop_clip(fz_context *ctx, void *user)
{
fz_draw_device *dev = user;
fz_pixmap *mask, *dest, *shape;
if (dev->top > 0)
{
dev->top--;
dev->scissor = dev->stack[dev->top].scissor;
mask = dev->stack[dev->top].mask;
dest = dev->stack[dev->top].dest;
shape = dev->stack[dev->top].shape;
dev->blendmode = dev->stack[dev->top].blendmode;
/* We can get here with mask == NULL if the clipping actually
* resolved to a rectangle earlier. In this case, we will
* have a dest, and the shape will be unchanged.
*/
if (mask)
{
assert(dest);
#ifdef DUMP_GROUP_BLENDS
dump_spaces(dev->top, "");
fz_dump_blend(dev->dest, "Clipping ");
if (dev->shape)
fz_dump_blend(dev->shape, "/");
fz_dump_blend(dest, " onto ");
if (shape)
fz_dump_blend(shape, "/");
fz_dump_blend(mask, " with ");
#endif
fz_paint_pixmap_with_mask(dest, dev->dest, mask);
if (shape != NULL)
{
assert(shape != dev->shape);
fz_paint_pixmap_with_mask(shape, dev->shape, mask);
fz_drop_pixmap(ctx, dev->shape);
dev->shape = shape;
}
fz_drop_pixmap(ctx, mask);
fz_drop_pixmap(ctx, dev->dest);
dev->dest = dest;
#ifdef DUMP_GROUP_BLENDS
fz_dump_blend(dev->dest, " to get ");
if (dev->shape)
fz_dump_blend(dev->shape, "/");
printf("\n");
#endif
}
else
{
#ifdef DUMP_GROUP_BLENDS
dump_spaces(dev->top, "Clip End\n");
#endif
assert(dest == NULL);
assert(shape == dev->shape);
}
}
}
static void
fz_draw_pop_clip(fz_device *devp)
{
fz_draw_device *dev = devp->user;
fz_context *ctx = dev->ctx;
fz_draw_state *state;
if (dev->top == 0)
{
fz_warn(ctx, "Unexpected pop clip");
return;
}
state = &dev->stack[--dev->top];
/* We can get here with state[1].mask == NULL if the clipping actually
* resolved to a rectangle earlier.
*/
if (state[1].mask)
{
#ifdef DUMP_GROUP_BLENDS
dump_spaces(dev->top, "");
fz_dump_blend(dev->ctx, state[1].dest, "Clipping ");
if (state[1].shape)
fz_dump_blend(dev->ctx, state[1].shape, "/");
fz_dump_blend(dev->ctx, state[0].dest, " onto ");
if (state[0].shape)
fz_dump_blend(dev->ctx, state[0].shape, "/");
fz_dump_blend(dev->ctx, state[1].mask, " with ");
#endif
fz_paint_pixmap_with_mask(state[0].dest, state[1].dest, state[1].mask);
if (state[0].shape != state[1].shape)
{
fz_paint_pixmap_with_mask(state[0].shape, state[1].shape, state[1].mask);
fz_drop_pixmap(dev->ctx, state[1].shape);
}
fz_drop_pixmap(dev->ctx, state[1].mask);
fz_drop_pixmap(dev->ctx, state[1].dest);
#ifdef DUMP_GROUP_BLENDS
fz_dump_blend(dev->ctx, state[0].dest, " to get ");
if (state[0].shape)
fz_dump_blend(dev->ctx, state[0].shape, "/");
printf("\n");
#endif
}
else
{
#ifdef DUMP_GROUP_BLENDS
dump_spaces(dev->top, "Clip end\n");
#endif
}
}
static void
fz_draw_pop_clip(void *user)
{
fz_draw_device *dev = user;
fz_pixmap *mask, *dest;
if (dev->top > 0)
{
dev->top--;
dev->scissor = dev->stack[dev->top].scissor;
mask = dev->stack[dev->top].mask;
dest = dev->stack[dev->top].dest;
if (mask && dest)
{
fz_pixmap *scratch = dev->dest;
fz_paint_pixmap_with_mask(dest, scratch, mask);
fz_drop_pixmap(mask);
fz_drop_pixmap(scratch);
dev->dest = dest;
}
}
}
