static cairo_int_status_t
_cairo_fallback_compositor_stroke (const cairo_compositor_t *_compositor,
cairo_composite_rectangles_t *extents,
const cairo_path_fixed_t *path,
const cairo_stroke_style_t *style,
const cairo_matrix_t *ctm,
const cairo_matrix_t *ctm_inverse,
double tolerance,
cairo_antialias_t antialias)
{
cairo_image_surface_t *image;
cairo_int_status_t status;
TRACE ((stderr, "%s\n", __FUNCTION__));
image = _cairo_surface_map_to_image (extents->surface, &extents->unbounded);
status = _cairo_surface_offset_stroke (&image->base,
extents->unbounded.x,
extents->unbounded.y,
extents->op,
&extents->source_pattern.base,
path, style,
ctm, ctm_inverse,
tolerance,
antialias,
extents->clip);
return _cairo_surface_unmap_image (extents->surface, image);
}
static cairo_int_status_t
_cairo_fallback_compositor_glyphs (const cairo_compositor_t *_compositor,
cairo_composite_rectangles_t *extents,
cairo_scaled_font_t *scaled_font,
cairo_glyph_t *glyphs,
int num_glyphs,
cairo_bool_t overlap)
{
cairo_image_surface_t *image;
cairo_int_status_t status;
TRACE ((stderr, "%s\n", __FUNCTION__));
image = _cairo_surface_map_to_image (extents->surface, &extents->unbounded);
status = _cairo_surface_offset_glyphs (&image->base,
extents->unbounded.x,
extents->unbounded.y,
extents->op,
&extents->source_pattern.base,
scaled_font, glyphs, num_glyphs,
extents->clip);
return _cairo_surface_unmap_image (extents->surface, image);
}
static cairo_image_surface_t *
_cairo_quartz_image_surface_map_to_image (void *asurface,
const cairo_rectangle_int_t *extents)
{
cairo_quartz_image_surface_t *surface = (cairo_quartz_image_surface_t *) asurface;
return _cairo_surface_map_to_image (&surface->imageSurface->base, extents);
}
static cairo_image_surface_t *
_cairo_surface_subsurface_map_to_image (void *abstract_surface,
const cairo_rectangle_int_t *extents)
{
cairo_surface_subsurface_t *surface = abstract_surface;
cairo_rectangle_int_t target_extents;
target_extents.x = extents->x + surface->extents.x;
target_extents.y = extents->y + surface->extents.y;
target_extents.width = extents->width;
target_extents.height = extents->height;
return _cairo_surface_map_to_image (surface->target, &target_extents);
}
static cairo_image_surface_t *
_cairo_win32_display_surface_map_to_image (void *abstract_surface,
const cairo_rectangle_int_t *extents)
{
cairo_win32_display_surface_t *surface = abstract_surface;
cairo_status_t status;
TRACE ((stderr, "%s (surface=%d)\n",
__FUNCTION__, surface->win32.base.unique_id));
if (surface->image)
goto done;
if (surface->fallback == NULL) {
surface->fallback =
_cairo_win32_display_surface_create_for_dc (surface->win32.dc,
surface->win32.format,
surface->win32.extents.width,
surface->win32.extents.height);
if (unlikely (status = surface->fallback->status))
goto err;
if (!BitBlt (to_win32_surface(surface->fallback)->dc,
0, 0,
surface->win32.extents.width,
surface->win32.extents.height,
surface->win32.dc,
0, 0,
SRCCOPY)) {
status = _cairo_error (CAIRO_STATUS_DEVICE_ERROR);
goto err;
}
}
surface = to_win32_display_surface (surface->fallback);
done:
GdiFlush();
return _cairo_surface_map_to_image (surface->image, extents);
err:
cairo_surface_destroy (surface->fallback);
surface->fallback = NULL;
return _cairo_image_surface_create_in_error (status);
}
static cairo_int_status_t
_cairo_fallback_compositor_paint (const cairo_compositor_t *_compositor,
cairo_composite_rectangles_t *extents)
{
cairo_image_surface_t *image;
cairo_int_status_t status;
TRACE ((stderr, "%s\n", __FUNCTION__));
image = _cairo_surface_map_to_image (extents->surface, &extents->unbounded);
status = _cairo_surface_offset_paint (&image->base,
extents->unbounded.x,
extents->unbounded.y,
extents->op,
&extents->source_pattern.base,
extents->clip);
return _cairo_surface_unmap_image (extents->surface, image);
}
static cairo_image_surface_t *
_cairo_xcb_surface_map_to_image (void *abstract_surface,
const cairo_rectangle_int_t *extents)
{
cairo_xcb_surface_t *surface = abstract_surface;
cairo_surface_t *image;
cairo_status_t status;
if (surface->fallback)
return _cairo_surface_map_to_image (&surface->fallback->base, extents);
image = _get_image (surface, TRUE,
extents->x, extents->y,
extents->width, extents->height);
status = cairo_surface_status (image);
if (unlikely (status)) {
cairo_surface_destroy(image);
return _cairo_image_surface_create_in_error (status);
}
/* Do we have a deferred clear and this image surface does NOT cover the
* whole xcb surface? Have to apply the clear in that case, else
* uploading the image will handle the problem for us.
*/
if (surface->deferred_clear &&
! (extents->width == surface->width &&
extents->height == surface->height)) {
status = _cairo_xcb_surface_clear (surface);
if (unlikely (status)) {
cairo_surface_destroy(image);
return _cairo_image_surface_create_in_error (status);
}
}
surface->deferred_clear = FALSE;
cairo_surface_set_device_offset (image, -extents->x, -extents->y);
return (cairo_image_surface_t *) image;
}
static cairo_status_t
_cairo_gl_pattern_texture_setup (cairo_gl_operand_t *operand,
const cairo_pattern_t *_src,
cairo_gl_surface_t *dst,
const cairo_rectangle_int_t *extents)
{
cairo_status_t status;
cairo_gl_surface_t *surface;
cairo_gl_context_t *ctx;
cairo_image_surface_t *image;
cairo_bool_t src_is_gl_surface = FALSE;
cairo_rectangle_int_t map_extents;
if (_src->type == CAIRO_PATTERN_TYPE_SURFACE) {
cairo_surface_t* src_surface = ((cairo_surface_pattern_t *) _src)->surface;
src_is_gl_surface = src_surface->type == CAIRO_SURFACE_TYPE_GL;
}
status = _cairo_gl_context_acquire (dst->base.device, &ctx);
if (unlikely (status))
return status;
surface = (cairo_gl_surface_t *)
_cairo_gl_surface_create_scratch (ctx,
CAIRO_CONTENT_COLOR_ALPHA,
extents->width, extents->height);
map_extents = *extents;
map_extents.x = map_extents.y = 0;
image = _cairo_surface_map_to_image (&surface->base, &map_extents);
/* If the pattern is a GL surface, it belongs to some other GL context,
so we need to release this device while we paint it to the image. */
if (src_is_gl_surface) {
status = _cairo_gl_context_release (ctx, status);
if (unlikely (status)) {
_cairo_surface_unmap_image (&surface->base, image);
goto fail;
}
}
status = _cairo_surface_offset_paint (&image->base, extents->x, extents->y,
CAIRO_OPERATOR_SOURCE, _src, NULL);
if (src_is_gl_surface) {
status = _cairo_gl_context_acquire (dst->base.device, &ctx);
if (unlikely (status)) {
_cairo_surface_unmap_image (&surface->base, image);
goto fail;
}
}
status = _cairo_surface_unmap_image (&surface->base, image);
status = _cairo_gl_context_release (ctx, status);
if (unlikely (status))
goto fail;
*operand = surface->operand;
operand->texture.owns_surface = surface;
operand->texture.attributes.matrix.x0 -= extents->x * operand->texture.attributes.matrix.xx;
operand->texture.attributes.matrix.y0 -= extents->y * operand->texture.attributes.matrix.yy;
return CAIRO_STATUS_SUCCESS;
fail:
cairo_surface_destroy (&surface->base);
return status;
}
