cairo_status_t
_cairo_surface_clipper_set_clip (cairo_surface_clipper_t *clipper,
cairo_clip_t *clip)
{
cairo_status_t status;
cairo_bool_t clear;
/* XXX as we cache a reference to the path, and compare every time,
* we may in future need to install a notification if the clip->path
* is every modified (e.g. cairo_clip_translate).
*/
if (clip == NULL && clipper->clip.path == NULL)
return CAIRO_STATUS_SUCCESS;
if (clip != NULL && clip->path == clipper->clip.path)
return CAIRO_STATUS_SUCCESS;
if (clip != NULL && clipper->clip.path != NULL &&
_cairo_path_fixed_equal (&clip->path->path, &clipper->clip.path->path))
{
return CAIRO_STATUS_SUCCESS;
}
/* all clipped out state should never propagate this far */
assert (clip == NULL || clip->path != NULL);
/* Check whether this clip is a continuation of the previous.
* If not, we have to remove the current clip and rebuild.
*/
clear = clip == NULL || clip->path->prev != clipper->clip.path;
_cairo_clip_reset (&clipper->clip);
_cairo_clip_init_copy (&clipper->clip, clip);
if (clear) {
clipper->is_clipped = FALSE;
status = clipper->intersect_clip_path (clipper, NULL, 0, 0, 0);
if (unlikely (status))
return status;
if (clip != NULL && clip->path != NULL) {
status =
_cairo_surface_clipper_intersect_clip_path_recursive (clipper,
clip->path);
clipper->is_clipped = TRUE;
}
} else {
cairo_clip_path_t *path = clip->path;
clipper->is_clipped = TRUE;
status = clipper->intersect_clip_path (clipper,
&path->path,
path->fill_rule,
path->tolerance,
path->antialias);
}
return status;
}
static void
_cairo_clip_set_all_clipped (cairo_clip_t *clip, cairo_surface_t *target)
{
_cairo_clip_reset (clip);
clip->all_clipped = TRUE;
clip->serial = _cairo_surface_allocate_clip_serial (target);
}
cairo_status_t
_cairo_surface_wrapper_fill (cairo_surface_wrapper_t *wrapper,
cairo_operator_t op,
const cairo_pattern_t *source,
cairo_path_fixed_t *path,
cairo_fill_rule_t fill_rule,
double tolerance,
cairo_antialias_t antialias,
cairo_clip_t *clip)
{
cairo_status_t status;
cairo_matrix_t device_transform;
cairo_path_fixed_t path_copy, *dev_path = path;
cairo_clip_t clip_copy, *dev_clip = clip;
if (unlikely (wrapper->target->status))
return wrapper->target->status;
if (clip && clip->all_clipped)
return CAIRO_STATUS_SUCCESS;
if (_cairo_surface_wrapper_needs_device_transform (wrapper,
&device_transform))
{
status = _cairo_path_fixed_init_copy (&path_copy, dev_path);
if (unlikely (status))
goto FINISH;
_cairo_path_fixed_transform (&path_copy, &device_transform);
dev_path = &path_copy;
if (clip != NULL) {
status = _cairo_clip_init_copy_transformed (&clip_copy, clip,
&device_transform);
if (unlikely (status))
goto FINISH;
dev_clip = &clip_copy;
}
} else {
if (clip != NULL) {
dev_clip = &clip_copy;
_cairo_clip_init_copy (&clip_copy, clip);
}
}
status = _cairo_surface_fill (wrapper->target, op, source,
dev_path, fill_rule,
tolerance, antialias,
dev_clip);
FINISH:
if (dev_path != path)
_cairo_path_fixed_fini (dev_path);
if (dev_clip != clip)
_cairo_clip_reset (dev_clip);
return status;
}
cairo_status_t
_cairo_surface_offset_mask (cairo_surface_t *target,
int x, int y,
cairo_operator_t op,
const cairo_pattern_t *source,
const cairo_pattern_t *mask,
cairo_clip_t *clip)
{
cairo_status_t status;
cairo_clip_t clip_copy, *dev_clip = clip;
cairo_pattern_union_t source_copy;
cairo_pattern_union_t mask_copy;
if (unlikely (target->status))
return target->status;
if (clip && clip->all_clipped)
return CAIRO_STATUS_SUCCESS;
if (x | y) {
cairo_matrix_t m;
if (clip != NULL) {
cairo_matrix_init_translate (&m, -x, -y);
status = _cairo_clip_init_copy_transformed (&clip_copy, clip, &m);
if (unlikely (status))
goto FINISH;
dev_clip = &clip_copy;
}
cairo_matrix_init_translate (&m, x, y);
_copy_transformed_pattern (&source_copy.base, source, &m);
_copy_transformed_pattern (&mask_copy.base, mask, &m);
source = &source_copy.base;
mask = &mask_copy.base;
}
status = _cairo_surface_mask (target, op,
&source_copy.base, &mask_copy.base,
dev_clip);
FINISH:
if (dev_clip != clip)
_cairo_clip_reset (dev_clip);
return status;
}
cairo_status_t
_cairo_surface_wrapper_mask (cairo_surface_wrapper_t *wrapper,
cairo_operator_t op,
const cairo_pattern_t *source,
const cairo_pattern_t *mask,
cairo_clip_t *clip)
{
cairo_status_t status;
cairo_matrix_t device_transform;
cairo_clip_t clip_copy, *dev_clip = clip;
if (unlikely (wrapper->target->status))
return wrapper->target->status;
if (clip && clip->all_clipped)
return CAIRO_STATUS_SUCCESS;
if (clip != NULL) {
if (_cairo_surface_wrapper_needs_device_transform (wrapper,
&device_transform))
{
status = _cairo_clip_init_copy_transformed (&clip_copy, clip,
&device_transform);
if (unlikely (status))
goto FINISH;
} else {
_cairo_clip_init_copy (&clip_copy, clip);
}
dev_clip = &clip_copy;
}
status = _cairo_surface_mask (wrapper->target, op, source, mask, dev_clip);
FINISH:
if (dev_clip != clip)
_cairo_clip_reset (dev_clip);
return status;
}
cairo_status_t
_cairo_surface_wrapper_show_text_glyphs (cairo_surface_wrapper_t *wrapper,
cairo_operator_t op,
const cairo_pattern_t *source,
const char *utf8,
int utf8_len,
cairo_glyph_t *glyphs,
int num_glyphs,
const cairo_text_cluster_t *clusters,
int num_clusters,
cairo_text_cluster_flags_t cluster_flags,
cairo_scaled_font_t *scaled_font,
cairo_clip_t *clip)
{
cairo_status_t status;
cairo_matrix_t device_transform;
cairo_clip_t clip_copy, *dev_clip = clip;
cairo_glyph_t *dev_glyphs = glyphs;
if (unlikely (wrapper->target->status))
return wrapper->target->status;
if (glyphs == NULL || num_glyphs == 0)
return CAIRO_STATUS_SUCCESS;
if (clip && clip->all_clipped)
return CAIRO_STATUS_SUCCESS;
if (_cairo_surface_wrapper_needs_device_transform (wrapper,
&device_transform))
{
int i;
if (clip != NULL) {
dev_clip = &clip_copy;
status = _cairo_clip_init_copy_transformed (&clip_copy, clip,
&device_transform);
if (unlikely (status))
goto FINISH;
}
dev_glyphs = _cairo_malloc_ab (num_glyphs, sizeof (cairo_glyph_t));
if (dev_glyphs == NULL) {
status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
goto FINISH;
}
for (i = 0; i < num_glyphs; i++) {
dev_glyphs[i] = glyphs[i];
cairo_matrix_transform_point (&device_transform,
&dev_glyphs[i].x,
&dev_glyphs[i].y);
}
} else {
if (clip != NULL) {
dev_clip = &clip_copy;
_cairo_clip_init_copy (&clip_copy, clip);
}
}
status = _cairo_surface_show_text_glyphs (wrapper->target, op, source,
utf8, utf8_len,
dev_glyphs, num_glyphs,
clusters, num_clusters,
cluster_flags,
scaled_font,
dev_clip);
FINISH:
if (dev_clip != clip)
_cairo_clip_reset (dev_clip);
if (dev_glyphs != glyphs)
free (dev_glyphs);
return status;
}
cairo_status_t
_cairo_surface_wrapper_fill_stroke (cairo_surface_wrapper_t *wrapper,
cairo_operator_t fill_op,
const cairo_pattern_t *fill_source,
cairo_fill_rule_t fill_rule,
double fill_tolerance,
cairo_antialias_t fill_antialias,
cairo_path_fixed_t *path,
cairo_operator_t stroke_op,
const cairo_pattern_t *stroke_source,
cairo_stroke_style_t *stroke_style,
cairo_matrix_t *stroke_ctm,
cairo_matrix_t *stroke_ctm_inverse,
double stroke_tolerance,
cairo_antialias_t stroke_antialias,
cairo_clip_t *clip)
{
cairo_status_t status;
cairo_matrix_t device_transform;
cairo_path_fixed_t path_copy, *dev_path = path;
cairo_clip_t clip_copy, *dev_clip = clip;
cairo_matrix_t dev_ctm = *stroke_ctm;
cairo_matrix_t dev_ctm_inverse = *stroke_ctm_inverse;
if (unlikely (wrapper->target->status))
return wrapper->target->status;
if (clip && clip->all_clipped)
return CAIRO_STATUS_SUCCESS;
if (_cairo_surface_wrapper_needs_device_transform (wrapper,
&device_transform))
{
status = _cairo_path_fixed_init_copy (&path_copy, dev_path);
if (unlikely (status))
goto FINISH;
_cairo_path_fixed_transform (&path_copy, &device_transform);
dev_path = &path_copy;
if (clip != NULL) {
status = _cairo_clip_init_copy_transformed (&clip_copy, clip,
&device_transform);
if (unlikely (status))
goto FINISH;
dev_clip = &clip_copy;
}
cairo_matrix_multiply (&dev_ctm, &dev_ctm, &device_transform);
status = cairo_matrix_invert (&device_transform);
assert (status == CAIRO_STATUS_SUCCESS);
cairo_matrix_multiply (&dev_ctm_inverse,
&device_transform,
&dev_ctm_inverse);
} else {
if (clip != NULL) {
dev_clip = &clip_copy;
_cairo_clip_init_copy (&clip_copy, clip);
}
}
status = _cairo_surface_fill_stroke (wrapper->target,
fill_op, fill_source, fill_rule,
fill_tolerance, fill_antialias,
dev_path,
stroke_op, stroke_source,
stroke_style,
&dev_ctm, &dev_ctm_inverse,
stroke_tolerance, stroke_antialias,
dev_clip);
FINISH:
if (dev_path != path)
_cairo_path_fixed_fini (dev_path);
if (dev_clip != clip)
_cairo_clip_reset (dev_clip);
return status;
}
static cairo_status_t
_cairo_meta_surface_replay_internal (cairo_surface_t *surface,
cairo_surface_t *target,
cairo_meta_replay_type_t type,
cairo_meta_region_type_t region)
{
cairo_meta_surface_t *meta;
cairo_command_t *command, **elements;
int i, num_elements;
cairo_int_status_t status, status2;
cairo_clip_t clip, *old_clip;
cairo_bool_t has_device_transform = _cairo_surface_has_device_transform (target);
cairo_matrix_t *device_transform = &target->device_transform;
cairo_path_fixed_t path_copy, *dev_path;
if (surface->status)
return surface->status;
if (target->status)
return _cairo_surface_set_error (surface, target->status);
meta = (cairo_meta_surface_t *) surface;
status = CAIRO_STATUS_SUCCESS;
_cairo_clip_init (&clip, target);
old_clip = _cairo_surface_get_clip (target);
num_elements = meta->commands.num_elements;
elements = _cairo_array_index (&meta->commands, 0);
for (i = meta->replay_start_idx; i < num_elements; i++) {
command = elements[i];
if (type == CAIRO_META_REPLAY && region != CAIRO_META_REGION_ALL) {
if (command->header.region != region)
continue;
}
/* For all commands except intersect_clip_path, we have to
* ensure the current clip gets set on the surface. */
if (command->header.type != CAIRO_COMMAND_INTERSECT_CLIP_PATH) {
status = _cairo_surface_set_clip (target, &clip);
if (status)
break;
}
dev_path = _cairo_command_get_path (command);
if (dev_path && has_device_transform) {
status = _cairo_path_fixed_init_copy (&path_copy, dev_path);
if (status)
break;
_cairo_path_fixed_transform (&path_copy, device_transform);
dev_path = &path_copy;
}
switch (command->header.type) {
case CAIRO_COMMAND_PAINT:
status = _cairo_surface_paint (target,
command->paint.op,
&command->paint.source.base);
break;
case CAIRO_COMMAND_MASK:
status = _cairo_surface_mask (target,
command->mask.op,
&command->mask.source.base,
&command->mask.mask.base);
break;
case CAIRO_COMMAND_STROKE:
{
cairo_matrix_t dev_ctm = command->stroke.ctm;
cairo_matrix_t dev_ctm_inverse = command->stroke.ctm_inverse;
if (has_device_transform) {
cairo_matrix_multiply (&dev_ctm, &dev_ctm, device_transform);
cairo_matrix_multiply (&dev_ctm_inverse,
&target->device_transform_inverse,
&dev_ctm_inverse);
}
status = _cairo_surface_stroke (target,
command->stroke.op,
&command->stroke.source.base,
dev_path,
&command->stroke.style,
&dev_ctm,
&dev_ctm_inverse,
command->stroke.tolerance,
command->stroke.antialias);
break;
}
case CAIRO_COMMAND_FILL:
{
cairo_command_t *stroke_command;
if (type != CAIRO_META_CREATE_REGIONS)
stroke_command = (i < num_elements - 1) ? elements[i + 1] : NULL;
else
stroke_command = NULL;
if (stroke_command != NULL &&
type == CAIRO_META_REPLAY && region != CAIRO_META_REGION_ALL)
{
if (stroke_command->header.region != region)
stroke_command = NULL;
}
if (stroke_command != NULL &&
stroke_command->header.type == CAIRO_COMMAND_STROKE &&
_cairo_path_fixed_is_equal (dev_path, _cairo_command_get_path (stroke_command))) {
cairo_matrix_t dev_ctm;
cairo_matrix_t dev_ctm_inverse;
dev_ctm = stroke_command->stroke.ctm;
dev_ctm_inverse = stroke_command->stroke.ctm_inverse;
if (has_device_transform) {
cairo_matrix_multiply (&dev_ctm, &dev_ctm, device_transform);
cairo_matrix_multiply (&dev_ctm_inverse,
&surface->device_transform_inverse,
&dev_ctm_inverse);
}
status = _cairo_surface_fill_stroke (target,
command->fill.op,
&command->fill.source.base,
command->fill.fill_rule,
command->fill.tolerance,
command->fill.antialias,
dev_path,
stroke_command->stroke.op,
&stroke_command->stroke.source.base,
&stroke_command->stroke.style,
&dev_ctm,
&dev_ctm_inverse,
stroke_command->stroke.tolerance,
stroke_command->stroke.antialias);
i++;
} else
status = _cairo_surface_fill (target,
command->fill.op,
&command->fill.source.base,
dev_path,
command->fill.fill_rule,
command->fill.tolerance,
command->fill.antialias);
break;
}
case CAIRO_COMMAND_SHOW_TEXT_GLYPHS:
{
cairo_glyph_t *glyphs = command->show_text_glyphs.glyphs;
cairo_glyph_t *dev_glyphs;
int i, num_glyphs = command->show_text_glyphs.num_glyphs;
/* show_text_glyphs is special because _cairo_surface_show_text_glyphs is allowed
* to modify the glyph array that's passed in. We must always
* copy the array before handing it to the backend.
*/
dev_glyphs = _cairo_malloc_ab (num_glyphs, sizeof (cairo_glyph_t));
if (dev_glyphs == NULL) {
status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
break;
}
if (has_device_transform) {
for (i = 0; i < num_glyphs; i++) {
dev_glyphs[i] = glyphs[i];
cairo_matrix_transform_point (device_transform,
&dev_glyphs[i].x,
&dev_glyphs[i].y);
}
} else {
memcpy (dev_glyphs, glyphs, sizeof (cairo_glyph_t) * num_glyphs);
}
status = _cairo_surface_show_text_glyphs (target,
command->show_text_glyphs.op,
&command->show_text_glyphs.source.base,
command->show_text_glyphs.utf8, command->show_text_glyphs.utf8_len,
dev_glyphs, num_glyphs,
command->show_text_glyphs.clusters, command->show_text_glyphs.num_clusters,
command->show_text_glyphs.cluster_flags,
command->show_text_glyphs.scaled_font);
free (dev_glyphs);
break;
}
case CAIRO_COMMAND_INTERSECT_CLIP_PATH:
/* XXX Meta surface clipping is broken and requires some
* cairo-gstate.c rewriting. Work around it for now. */
if (dev_path == NULL)
_cairo_clip_reset (&clip);
else
status = _cairo_clip_clip (&clip, dev_path,
command->intersect_clip_path.fill_rule,
command->intersect_clip_path.tolerance,
command->intersect_clip_path.antialias,
target);
break;
default:
ASSERT_NOT_REACHED;
}
if (dev_path == &path_copy)
_cairo_path_fixed_fini (&path_copy);
if (type == CAIRO_META_CREATE_REGIONS) {
if (status == CAIRO_STATUS_SUCCESS) {
command->header.region = CAIRO_META_REGION_NATIVE;
} else if (status == CAIRO_INT_STATUS_IMAGE_FALLBACK) {
command->header.region = CAIRO_META_REGION_IMAGE_FALLBACK;
status = CAIRO_STATUS_SUCCESS;
}
}
if (status)
break;
}
_cairo_clip_reset (&clip);
status2 = _cairo_surface_set_clip (target, old_clip);
if (status == CAIRO_STATUS_SUCCESS)
status = status2;
return _cairo_surface_set_error (surface, status);
}
cairo_status_t
_cairo_surface_offset_glyphs (cairo_surface_t *surface,
int x, int y,
cairo_operator_t op,
const cairo_pattern_t *source,
cairo_scaled_font_t *scaled_font,
cairo_glyph_t *glyphs,
int num_glyphs,
cairo_clip_t *clip)
{
cairo_status_t status;
cairo_clip_t clip_copy, *dev_clip = clip;
cairo_pattern_union_t source_copy;
cairo_glyph_t *dev_glyphs;
int i;
if (unlikely (surface->status))
return surface->status;
if (clip && clip->all_clipped)
return CAIRO_STATUS_SUCCESS;
dev_glyphs = _cairo_malloc_ab (num_glyphs, sizeof (cairo_glyph_t));
if (dev_glyphs == NULL)
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
memcpy (dev_glyphs, glyphs, sizeof (cairo_glyph_t) * num_glyphs);
if (x | y) {
cairo_matrix_t m;
if (clip != NULL) {
cairo_matrix_init_translate (&m, -x, -y);
status = _cairo_clip_init_copy_transformed (&clip_copy, clip, &m);
if (unlikely (status))
goto FINISH;
dev_clip = &clip_copy;
}
cairo_matrix_init_translate (&m, x, y);
_copy_transformed_pattern (&source_copy.base, source, &m);
source = &source_copy.base;
for (i = 0; i < num_glyphs; i++) {
dev_glyphs[i].x -= x;
dev_glyphs[i].y -= y;
}
}
status = _cairo_surface_show_text_glyphs (surface, op, source,
NULL, 0,
dev_glyphs, num_glyphs,
NULL, 0, 0,
scaled_font,
dev_clip);
FINISH:
if (dev_clip != clip)
_cairo_clip_reset (dev_clip);
free (dev_glyphs);
return status;
}
cairo_status_t
_cairo_surface_offset_fill (cairo_surface_t *surface,
int x, int y,
cairo_operator_t op,
const cairo_pattern_t*source,
cairo_path_fixed_t *path,
cairo_fill_rule_t fill_rule,
double tolerance,
cairo_antialias_t antialias,
cairo_clip_t *clip)
{
cairo_status_t status;
cairo_path_fixed_t path_copy, *dev_path = path;
cairo_clip_t clip_copy, *dev_clip = clip;
cairo_pattern_union_t source_copy;
if (unlikely (surface->status))
return surface->status;
if (clip && clip->all_clipped)
return CAIRO_STATUS_SUCCESS;
if (x | y) {
cairo_matrix_t m;
status = _cairo_path_fixed_init_copy (&path_copy, dev_path);
if (unlikely (status))
goto FINISH;
_cairo_path_fixed_translate (&path_copy,
_cairo_fixed_from_int (-x),
_cairo_fixed_from_int (-y));
dev_path = &path_copy;
if (clip != NULL) {
cairo_matrix_init_translate (&m, -x, -y);
status = _cairo_clip_init_copy_transformed (&clip_copy, clip, &m);
if (unlikely (status))
goto FINISH;
dev_clip = &clip_copy;
}
cairo_matrix_init_translate (&m, x, y);
_copy_transformed_pattern (&source_copy.base, source, &m);
source = &source_copy.base;
}
status = _cairo_surface_fill (surface, op, source,
dev_path, fill_rule,
tolerance, antialias,
dev_clip);
FINISH:
if (dev_path != path)
_cairo_path_fixed_fini (dev_path);
if (dev_clip != clip)
_cairo_clip_reset (dev_clip);
return status;
}
static bool
_cairo_qt_fast_fill (cairo_qt_surface_t *qs,
const cairo_pattern_t *source,
const cairo_path_fixed_t *path = NULL,
cairo_fill_rule_t fill_rule = CAIRO_FILL_RULE_WINDING,
double tolerance = 0.0,
cairo_antialias_t antialias = CAIRO_ANTIALIAS_NONE)
{
#if ENABLE_FAST_FILL
QImage *qsSrc_image = NULL;
QPixmap *qsSrc_pixmap = NULL;
std::auto_ptr<QImage> qsSrc_image_d;
if (source->type == CAIRO_PATTERN_TYPE_SURFACE) {
cairo_surface_pattern_t *spattern = (cairo_surface_pattern_t*) source;
if (spattern->surface->type == CAIRO_SURFACE_TYPE_QT) {
cairo_qt_surface_t *p = (cairo_qt_surface_t*) spattern->surface;
qsSrc_image = p->image;
qsSrc_pixmap = p->pixmap;
} else if (spattern->surface->type == CAIRO_SURFACE_TYPE_IMAGE) {
cairo_image_surface_t *p = (cairo_image_surface_t*) spattern->surface;
qsSrc_image = new QImage((const uchar*) p->data,
p->width,
p->height,
p->stride,
_qimage_format_from_cairo_format(p->format));
qsSrc_image_d.reset(qsSrc_image);
}
}
if (!qsSrc_image && !qsSrc_pixmap)
return false;
// We can only drawTiledPixmap; there's no drawTiledImage
if (! qsSrc_pixmap &&
(source->extend == CAIRO_EXTEND_REPEAT ||
source->extend == CAIRO_EXTEND_REFLECT))
{
return false;
}
QMatrix sourceMatrix = _qmatrix_from_cairo_matrix (source->matrix);
// We can draw this faster by clipping and calling drawImage/drawPixmap.
// Use our own clipping function so that we can get the
// region handling to end up with the fastest possible clip.
//
// XXX Antialiasing will fail pretty hard here, since we can't clip with AA
// with QPainter.
qs->p->save();
if (path) {
cairo_int_status_t status;
cairo_clip_t clip, old_clip = qs->clipper.clip;
_cairo_clip_init_copy (&clip, &qs->clipper.clip);
status = (cairo_int_status_t) _cairo_clip_clip (&clip,
path,
fill_rule,
tolerance,
antialias);
if (unlikely (status)) {
qs->p->restore();
return false;
}
status = _cairo_qt_surface_set_clip (qs, &clip);
if (unlikely (status)) {
qs->p->restore();
return false;
}
_cairo_clip_reset (&clip);
qs->clipper.clip = old_clip;
}
qs->p->setWorldMatrix (sourceMatrix.inverted(), true);
switch (source->extend) {
case CAIRO_EXTEND_REPEAT:
// XXX handle reflect by tiling 4 times first
case CAIRO_EXTEND_REFLECT: {
assert (qsSrc_pixmap);
// Render the tiling to cover the entire destination window (because
// it'll be clipped). Transform the window rect by the inverse
// of the current world transform so that the device coordinates
// end up as the right thing.
QRectF dest = qs->p->worldTransform().inverted().mapRect(QRectF(qs->window));
QPointF origin = sourceMatrix.map(QPointF(0.0, 0.0));
qs->p->drawTiledPixmap (dest, *qsSrc_pixmap, origin);
}
break;
case CAIRO_EXTEND_NONE:
case CAIRO_EXTEND_PAD: // XXX not exactly right, but good enough
default:
if (qsSrc_image)
qs->p->drawImage (0, 0, *qsSrc_image);
else if (qsSrc_pixmap)
qs->p->drawPixmap (0, 0, *qsSrc_pixmap);
break;
}
qs->p->restore();
return true;
#else
return false;
#endif
}
void
_cairo_surface_clipper_reset (cairo_surface_clipper_t *clipper)
{
_cairo_clip_reset (&clipper->clip);
clipper->is_clipped = FALSE;
}
cairo_status_t
_cairo_surface_wrapper_paint (cairo_surface_wrapper_t *wrapper,
cairo_operator_t op,
const cairo_pattern_t *source,
cairo_clip_t *clip)
{
cairo_status_t status;
cairo_clip_t clip_copy, *dev_clip = clip;
cairo_pattern_union_t source_copy;
cairo_clip_t target_clip;
if (unlikely (wrapper->target->status))
return wrapper->target->status;
if (wrapper->has_extents) {
_cairo_clip_init_copy (&target_clip, clip);
status = _cairo_clip_rectangle (&target_clip, &wrapper->extents);
if (unlikely (status))
goto FINISH;
dev_clip = clip = &target_clip;
}
if (clip && clip->all_clipped) {
status = CAIRO_STATUS_SUCCESS;
goto FINISH;
}
if (_cairo_surface_wrapper_needs_device_transform (wrapper) ||
_cairo_surface_wrapper_needs_extents_transform (wrapper))
{
cairo_matrix_t m;
cairo_matrix_init_identity (&m);
if (_cairo_surface_wrapper_needs_extents_transform (wrapper))
cairo_matrix_translate (&m, -wrapper->extents.x, -wrapper->extents.y);
if (_cairo_surface_wrapper_needs_device_transform (wrapper))
cairo_matrix_multiply (&m, &wrapper->target->device_transform, &m);
if (clip != NULL) {
status = _cairo_clip_init_copy_transformed (&clip_copy, clip, &m);
if (unlikely (status))
goto FINISH;
dev_clip = &clip_copy;
}
status = cairo_matrix_invert (&m);
assert (status == CAIRO_STATUS_SUCCESS);
_copy_transformed_pattern (&source_copy.base, source, &m);
source = &source_copy.base;
}
status = _cairo_surface_paint (wrapper->target, op, source, dev_clip);
FINISH:
if (wrapper->has_extents)
_cairo_clip_reset (&target_clip);
if (dev_clip != clip)
_cairo_clip_reset (dev_clip);
return status;
}
cairo_status_t
_cairo_surface_wrapper_show_text_glyphs (cairo_surface_wrapper_t *wrapper,
cairo_operator_t op,
const cairo_pattern_t *source,
const char *utf8,
int utf8_len,
cairo_glyph_t *glyphs,
int num_glyphs,
const cairo_text_cluster_t *clusters,
int num_clusters,
cairo_text_cluster_flags_t cluster_flags,
cairo_scaled_font_t *scaled_font,
cairo_clip_t *clip)
{
cairo_status_t status;
cairo_clip_t clip_copy, *dev_clip = clip;
cairo_glyph_t *dev_glyphs = glyphs;
cairo_pattern_union_t source_copy;
cairo_clip_t target_clip;
if (unlikely (wrapper->target->status))
return wrapper->target->status;
if (glyphs == NULL || num_glyphs == 0)
return CAIRO_STATUS_SUCCESS;
if (wrapper->has_extents) {
_cairo_clip_init_copy (&target_clip, clip);
status = _cairo_clip_rectangle (&target_clip, &wrapper->extents);
if (unlikely (status))
goto FINISH;
dev_clip = clip = &target_clip;
}
if (clip && clip->all_clipped) {
status = CAIRO_STATUS_SUCCESS;
goto FINISH;
}
if (_cairo_surface_wrapper_needs_device_transform (wrapper) ||
_cairo_surface_wrapper_needs_extents_transform (wrapper))
{
cairo_matrix_t m;
int i;
cairo_matrix_init_identity (&m);
if (_cairo_surface_wrapper_needs_extents_transform (wrapper))
cairo_matrix_translate (&m, -wrapper->extents.x, -wrapper->extents.y);
if (_cairo_surface_wrapper_needs_device_transform (wrapper))
cairo_matrix_multiply (&m, &wrapper->target->device_transform, &m);
if (clip != NULL) {
status = _cairo_clip_init_copy_transformed (&clip_copy, clip, &m);
if (unlikely (status))
goto FINISH;
dev_clip = &clip_copy;
}
dev_glyphs = _cairo_malloc_ab (num_glyphs, sizeof (cairo_glyph_t));
if (dev_glyphs == NULL) {
status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
goto FINISH;
}
for (i = 0; i < num_glyphs; i++) {
dev_glyphs[i] = glyphs[i];
cairo_matrix_transform_point (&m, &dev_glyphs[i].x, &dev_glyphs[i].y);
}
status = cairo_matrix_invert (&m);
assert (status == CAIRO_STATUS_SUCCESS);
_copy_transformed_pattern (&source_copy.base, source, &m);
source = &source_copy.base;
}
else
{
if (clip != NULL) {
dev_clip = &clip_copy;
_cairo_clip_init_copy (&clip_copy, clip);
}
}
status = _cairo_surface_show_text_glyphs (wrapper->target, op, source,
utf8, utf8_len,
dev_glyphs, num_glyphs,
clusters, num_clusters,
cluster_flags,
scaled_font,
dev_clip);
FINISH:
if (dev_clip != clip)
_cairo_clip_reset (dev_clip);
if (wrapper->has_extents)
_cairo_clip_reset (&target_clip);
if (dev_glyphs != glyphs)
free (dev_glyphs);
return status;
}
cairo_status_t
_cairo_surface_wrapper_fill_stroke (cairo_surface_wrapper_t *wrapper,
cairo_operator_t fill_op,
const cairo_pattern_t *fill_source,
cairo_fill_rule_t fill_rule,
double fill_tolerance,
cairo_antialias_t fill_antialias,
cairo_path_fixed_t *path,
cairo_operator_t stroke_op,
const cairo_pattern_t *stroke_source,
const cairo_stroke_style_t *stroke_style,
const cairo_matrix_t *stroke_ctm,
const cairo_matrix_t *stroke_ctm_inverse,
double stroke_tolerance,
cairo_antialias_t stroke_antialias,
cairo_clip_t *clip)
{
cairo_status_t status;
cairo_path_fixed_t path_copy, *dev_path = path;
cairo_clip_t clip_copy, *dev_clip = clip;
cairo_matrix_t dev_ctm = *stroke_ctm;
cairo_matrix_t dev_ctm_inverse = *stroke_ctm_inverse;
cairo_pattern_union_t stroke_source_copy;
cairo_pattern_union_t fill_source_copy;
cairo_clip_t target_clip;
if (unlikely (wrapper->target->status))
return wrapper->target->status;
if (wrapper->has_extents) {
_cairo_clip_init_copy (&target_clip, clip);
status = _cairo_clip_rectangle (&target_clip, &wrapper->extents);
if (unlikely (status))
goto FINISH;
dev_clip = clip = &target_clip;
}
if (clip && clip->all_clipped) {
status = CAIRO_STATUS_SUCCESS;
goto FINISH;
}
if (_cairo_surface_wrapper_needs_device_transform (wrapper) ||
_cairo_surface_wrapper_needs_extents_transform (wrapper))
{
cairo_matrix_t m;
cairo_matrix_init_identity (&m);
if (_cairo_surface_wrapper_needs_extents_transform (wrapper))
cairo_matrix_translate (&m, -wrapper->extents.x, -wrapper->extents.y);
if (_cairo_surface_wrapper_needs_device_transform (wrapper))
cairo_matrix_multiply (&m, &wrapper->target->device_transform, &m);
status = _cairo_path_fixed_init_copy (&path_copy, dev_path);
if (unlikely (status))
goto FINISH;
_cairo_path_fixed_transform (&path_copy, &m);
dev_path = &path_copy;
if (clip != NULL) {
status = _cairo_clip_init_copy_transformed (&clip_copy, clip, &m);
if (unlikely (status))
goto FINISH;
dev_clip = &clip_copy;
}
cairo_matrix_multiply (&dev_ctm, &dev_ctm, &m);
status = cairo_matrix_invert (&m);
assert (status == CAIRO_STATUS_SUCCESS);
cairo_matrix_multiply (&dev_ctm_inverse, &m, &dev_ctm_inverse);
_copy_transformed_pattern (&stroke_source_copy.base, stroke_source, &m);
stroke_source = &stroke_source_copy.base;
_copy_transformed_pattern (&fill_source_copy.base, fill_source, &m);
fill_source = &fill_source_copy.base;
}
else
{
if (clip != NULL) {
dev_clip = &clip_copy;
_cairo_clip_init_copy (&clip_copy, clip);
}
}
status = _cairo_surface_fill_stroke (wrapper->target,
fill_op, fill_source, fill_rule,
fill_tolerance, fill_antialias,
dev_path,
stroke_op, stroke_source,
stroke_style,
&dev_ctm, &dev_ctm_inverse,
stroke_tolerance, stroke_antialias,
dev_clip);
FINISH:
if (dev_path != path)
_cairo_path_fixed_fini (dev_path);
if (wrapper->has_extents)
_cairo_clip_reset (&target_clip);
if (dev_clip != clip)
_cairo_clip_reset (dev_clip);
return status;
}
cairo_int_status_t
_cairo_meta_surface_replay (cairo_surface_t *surface,
cairo_surface_t *target)
{
cairo_meta_surface_t *meta;
cairo_command_t *command, **elements;
int i, num_elements;
cairo_int_status_t status;
cairo_traps_t traps;
cairo_clip_t clip;
meta = (cairo_meta_surface_t *) surface;
status = CAIRO_STATUS_SUCCESS;
_cairo_clip_init (&clip, target);
num_elements = meta->commands.num_elements;
elements = (cairo_command_t **) meta->commands.elements;
for (i = 0; i < num_elements; i++) {
command = elements[i];
switch (command->type) {
case CAIRO_COMMAND_COMPOSITE:
status = _cairo_surface_set_clip (target, &clip);
if (status)
break;
status = _cairo_surface_composite
(command->composite.operator,
&command->composite.src_pattern.base,
command->composite.mask_pattern_pointer,
target,
command->composite.src_x,
command->composite.src_y,
command->composite.mask_x,
command->composite.mask_y,
command->composite.dst_x,
command->composite.dst_y,
command->composite.width,
command->composite.height);
break;
case CAIRO_COMMAND_FILL_RECTANGLES:
status = _cairo_surface_set_clip (target, &clip);
if (status)
break;
status = _cairo_surface_fill_rectangles
(target,
command->fill_rectangles.operator,
&command->fill_rectangles.color,
command->fill_rectangles.rects,
command->fill_rectangles.num_rects);
break;
case CAIRO_COMMAND_COMPOSITE_TRAPEZOIDS:
status = _cairo_surface_set_clip (target, &clip);
if (status)
break;
status = _cairo_surface_composite_trapezoids
(command->composite_trapezoids.operator,
&command->composite_trapezoids.pattern.base,
target,
command->composite_trapezoids.antialias,
command->composite_trapezoids.x_src,
command->composite_trapezoids.y_src,
command->composite_trapezoids.x_dst,
command->composite_trapezoids.y_dst,
command->composite_trapezoids.width,
command->composite_trapezoids.height,
command->composite_trapezoids.traps,
command->composite_trapezoids.num_traps);
break;
case CAIRO_COMMAND_INTERSECT_CLIP_PATH:
/* XXX Meta surface clipping is broken and requires some
* cairo-gstate.c rewriting. Work around it for now. */
if (command->intersect_clip_path.path_pointer == NULL)
status = _cairo_clip_reset (&clip);
else
status = _cairo_clip_clip (&clip,
command->intersect_clip_path.path_pointer,
command->intersect_clip_path.fill_rule,
command->intersect_clip_path.tolerance,
command->intersect_clip_path.antialias,
target);
break;
case CAIRO_COMMAND_SHOW_GLYPHS:
status = _cairo_surface_set_clip (target, &clip);
if (status)
break;
status = _cairo_surface_show_glyphs
(command->show_glyphs.scaled_font,
command->show_glyphs.operator,
&command->show_glyphs.pattern.base,
target,
command->show_glyphs.source_x,
command->show_glyphs.source_y,
command->show_glyphs.dest_x,
command->show_glyphs.dest_y,
command->show_glyphs.width,
command->show_glyphs.height,
command->show_glyphs.glyphs,
command->show_glyphs.num_glyphs);
if (status != CAIRO_INT_STATUS_UNSUPPORTED)
break;
status = (*command->show_glyphs.scaled_font->backend->
show_glyphs) (command->show_glyphs.scaled_font,
command->show_glyphs.operator,
&command->show_glyphs.pattern.base,
target,
command->show_glyphs.source_x,
command->show_glyphs.source_y,
command->show_glyphs.dest_x,
command->show_glyphs.dest_y,
command->show_glyphs.width,
command->show_glyphs.height,
command->show_glyphs.glyphs,
command->show_glyphs.num_glyphs);
break;
case CAIRO_COMMAND_FILL_PATH:
status = _cairo_surface_set_clip (target, &clip);
if (status)
break;
status = _cairo_surface_fill_path (command->fill_path.operator,
&command->fill_path.pattern.base,
target,
&command->fill_path.path,
command->fill_path.fill_rule,
command->fill_path.tolerance);
if (status != CAIRO_INT_STATUS_UNSUPPORTED)
break;
_cairo_traps_init (&traps);
status = _cairo_path_fixed_fill_to_traps (&command->fill_path.path,
command->fill_path.fill_rule,
command->fill_path.tolerance,
&traps);
if (status) {
_cairo_traps_fini (&traps);
break;
}
status = _cairo_surface_clip_and_composite_trapezoids (&command->fill_path.pattern.base,
command->fill_path.operator,
target,
&traps,
&clip,
command->fill_path.antialias);
_cairo_traps_fini (&traps);
break;
default:
ASSERT_NOT_REACHED;
}
if (status)
break;
}
_cairo_clip_fini (&clip);
return status;
}
