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pdf: merge _emit_recording_surface and _emit_recording_subsurface into the one function

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This commit is contained in:
Adrian Johnson 2012-05-27 22:59:13 +09:30
parent 5dd119c1fe
commit f3ae830207
1 changed files with 26 additions and 86 deletions
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112
src/cairo-pdf-surface.c
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@ -2681,11 +2681,28 @@ _cairo_pdf_surface_emit_recording_surface (cairo_pdf_surface_t *surface,
int alpha = 0;
cairo_surface_t *free_me = NULL;
cairo_surface_t *source;
const cairo_rectangle_int_t *extents;
int width;
int height;
cairo_bool_t is_subsurface;
assert (pdf_source->type == CAIRO_PATTERN_TYPE_SURFACE);
extents = &pdf_source->hash_entry->extents;
width = pdf_source->hash_entry->width;
height = pdf_source->hash_entry->height;
is_subsurface = FALSE;
source = pdf_source->surface;
if (_cairo_surface_is_snapshot (source))
if (_cairo_surface_is_snapshot (source)) {
free_me = source = _cairo_surface_snapshot_get_target (source);
} else if (source->backend->type == CAIRO_SURFACE_TYPE_SUBSURFACE) {
cairo_surface_subsurface_t *sub = (cairo_surface_subsurface_t *) source;
source = sub->target;
extents = &sub->extents;
width = extents->width;
height = extents->height;
is_subsurface = TRUE;
}
old_width = surface->width;
old_height = surface->height;
@ -2694,16 +2711,15 @@ _cairo_pdf_surface_emit_recording_surface (cairo_pdf_surface_t *surface,
_cairo_surface_clipper_init (&surface->clipper,
_cairo_pdf_surface_clipper_intersect_clip_path);
_cairo_pdf_surface_set_size_internal (surface,
pdf_source->hash_entry->width,
pdf_source->hash_entry->height);
_cairo_pdf_surface_set_size_internal (surface, width, height);
/* Patterns are emitted after fallback images. The paginated mode
* needs to be set to _RENDER while the recording surface is replayed
* back to this surface.
*/
surface->paginated_mode = CAIRO_PAGINATED_MODE_RENDER;
_cairo_pdf_group_resources_clear (&surface->resources);
_get_bbox_from_extents (pdf_source->hash_entry->height, &pdf_source->hash_entry->extents, &bbox);
_get_bbox_from_extents (height, extents, &bbox);
status = _cairo_pdf_surface_open_content_stream (surface, &bbox, &pdf_source->hash_entry->surface_res, TRUE);
if (unlikely (status))
goto err;
@ -2721,7 +2737,7 @@ _cairo_pdf_surface_emit_recording_surface (cairo_pdf_surface_t *surface,
}
status = _cairo_recording_surface_replay_region (source,
NULL,
is_subsurface ? extents : NULL,
&surface->base,
CAIRO_RECORDING_REGION_NATIVE);
assert (status != CAIRO_INT_STATUS_UNSUPPORTED);
@ -2742,90 +2758,14 @@ err:
return status;
}
static cairo_status_t
_cairo_pdf_surface_emit_recording_subsurface (cairo_pdf_surface_t *surface,
cairo_surface_t *recording_surface,
const cairo_rectangle_int_t *extents,
cairo_pdf_resource_t resource)
{
double old_width, old_height;
cairo_paginated_mode_t old_paginated_mode;
cairo_surface_clipper_t old_clipper;
cairo_box_double_t bbox;
cairo_int_status_t status;
int alpha = 0;
old_width = surface->width;
old_height = surface->height;
old_paginated_mode = surface->paginated_mode;
old_clipper = surface->clipper;
_cairo_surface_clipper_init (&surface->clipper,
_cairo_pdf_surface_clipper_intersect_clip_path);
_cairo_pdf_surface_set_size_internal (surface,
extents->width,
extents->height);
/* Patterns are emitted after fallback images. The paginated mode
* needs to be set to _RENDER while the recording surface is replayed
* back to this surface.
*/
surface->paginated_mode = CAIRO_PAGINATED_MODE_RENDER;
_cairo_pdf_group_resources_clear (&surface->resources);
_get_bbox_from_extents (extents->height, extents, &bbox);
status = _cairo_pdf_surface_open_content_stream (surface, &bbox, &resource, TRUE);
if (unlikely (status))
return status;
if (cairo_surface_get_content (recording_surface) == CAIRO_CONTENT_COLOR) {
status = _cairo_pdf_surface_add_alpha (surface, 1.0, &alpha);
if (unlikely (status))
return status;
_cairo_output_stream_printf (surface->output,
"q /a%d gs 0 0 0 rg 0 0 %f %f re f Q\n",
alpha,
surface->width,
surface->height);
}
status = _cairo_recording_surface_replay_region (recording_surface,
extents,
&surface->base,
CAIRO_RECORDING_REGION_NATIVE);
assert (status != CAIRO_INT_STATUS_UNSUPPORTED);
if (unlikely (status))
return status;
status = _cairo_pdf_surface_close_content_stream (surface);
_cairo_surface_clipper_reset (&surface->clipper);
surface->clipper = old_clipper;
_cairo_pdf_surface_set_size_internal (surface,
old_width,
old_height);
surface->paginated_mode = old_paginated_mode;
return status;
}
static cairo_status_t
_cairo_pdf_surface_emit_surface (cairo_pdf_surface_t *surface,
cairo_pdf_source_surface_t *src_surface)
{
if (src_surface->type == CAIRO_PATTERN_TYPE_SURFACE) {
if (src_surface->surface->type == CAIRO_SURFACE_TYPE_RECORDING) {
if (src_surface->surface->backend->type == CAIRO_SURFACE_TYPE_SUBSURFACE) {
cairo_surface_subsurface_t *sub = (cairo_surface_subsurface_t *) src_surface->surface;
return _cairo_pdf_surface_emit_recording_subsurface (surface,
sub->target,
&sub->extents,
src_surface->hash_entry->surface_res);
} else {
return _cairo_pdf_surface_emit_recording_surface (surface,
src_surface);
}
}
}
if (src_surface->type == CAIRO_PATTERN_TYPE_SURFACE &&
src_surface->surface->type == CAIRO_SURFACE_TYPE_RECORDING)
return _cairo_pdf_surface_emit_recording_surface (surface, src_surface);
return _cairo_pdf_surface_emit_image_surface (surface, src_surface);
}