static cairo_int_status_t
_cairo_qt_surface_set_clip (cairo_qt_surface_t *qs,
const cairo_clip_t *clip)
{
cairo_int_status_t status;
D(fprintf(stderr, "q[%p] intersect_clip_path %s\n", abstract_surface, path ? "(path)" : "(clear)"));
if (clip == NULL) {
_cairo_surface_clipper_reset (&qs->clipper);
// How the clip path is reset depends on whether we own p or not
if (qs->pixmap || qs->image) {
// we own p
qs->p->setClipping (false);
} else {
qs->p->restore ();
qs->p->save ();
}
return CAIRO_INT_STATUS_SUCCESS;
}
#if ENABLE_FAST_CLIP
// Qt will implicitly enable clipping, and will use ReplaceClip
// instead of IntersectClip if clipping was disabled before
// Note: Qt is really bad at dealing with clip paths. It doesn't
// seem to usefully recognize rectangular paths, instead going down
// extremely slow paths whenever a clip path is set. So,
// we do a bunch of work here to try to get rectangles or regions
// down to Qt for clipping.
cairo_region_t *clip_region = NULL;
status = _cairo_clip_get_region (clip, &clip_region);
if (status == CAIRO_INT_STATUS_UNSUPPORTED) {
// We weren't able to extract a region from the traps.
// Just hand the path down to QPainter.
status = (cairo_int_status_t)
_cairo_surface_clipper_set_clip (&qs->clipper, clip);
} else if (status == CAIRO_INT_STATUS_SUCCESS) {
_cairo_qt_surface_set_clip_region (qs, clip_region);
status = CAIRO_INT_STATUS_SUCCESS;
}
#else
status = (cairo_int_status_t)
_cairo_surface_clipper_set_clip (&qs->clipper, clip);
#endif
return status;
}
static cairo_int_status_t
_cairo_type3_glyph_surface_stroke (void *abstract_surface,
cairo_operator_t op,
const cairo_pattern_t *source,
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_clip_t *clip)
{
cairo_type3_glyph_surface_t *surface = abstract_surface;
cairo_int_status_t status;
status = _cairo_surface_clipper_set_clip (&surface->clipper, clip);
if (unlikely (status))
return status;
return _cairo_pdf_operators_stroke (&surface->pdf_operators,
path,
style,
ctm,
ctm_inverse);
}
static cairo_int_status_t
_cairo_type3_glyph_surface_paint (void *abstract_surface,
cairo_operator_t op,
const cairo_pattern_t *source,
cairo_clip_t *clip)
{
cairo_type3_glyph_surface_t *surface = abstract_surface;
const cairo_surface_pattern_t *pattern;
cairo_image_surface_t *image;
void *image_extra;
cairo_status_t status;
if (source->type != CAIRO_PATTERN_TYPE_SURFACE)
return CAIRO_INT_STATUS_IMAGE_FALLBACK;
status = _cairo_surface_clipper_set_clip (&surface->clipper, clip);
if (unlikely (status))
return status;
pattern = (const cairo_surface_pattern_t *) source;
status = _cairo_surface_acquire_source_image (pattern->surface,
&image, &image_extra);
if (unlikely (status))
goto fail;
status = _cairo_type3_glyph_surface_emit_image_pattern (surface,
image,
&pattern->base.matrix);
fail:
_cairo_surface_release_source_image (pattern->surface, image, image_extra);
return status;
}
static cairo_int_status_t
_cairo_skia_surface_paint (void *asurface,
cairo_operator_t op,
const cairo_pattern_t *source,
cairo_clip_t *clip)
{
cairo_skia_surface_t *surface = (cairo_skia_surface_t *) asurface;
cairo_image_surface_t *image = NULL;
cairo_status_t status;
void *image_extra;
SkColor color;
status = _cairo_surface_clipper_set_clip (&surface->clipper, clip);
if (unlikely (status))
return (cairo_int_status_t) status;
if (pattern_to_sk_color (source, color)) {
surface->canvas->drawColor (color, operator_to_sk (op));
return CAIRO_INT_STATUS_SUCCESS;
}
SkMatrix bitmapMatrix;
SkBitmap *bitmap = pattern_to_sk_bitmap (surface, source, &bitmapMatrix,
&image, &image_extra);
SkShader *shader = NULL;
if (!bitmap)
shader = pattern_to_sk_shader (surface, source, &image, &image_extra);
if (!bitmap && !shader)
return UNSUPPORTED("pattern to bitmap and shader conversion");
SkPaint paint;
paint.setFilterBitmap (pattern_filter_to_sk (source));
paint.setXfermodeMode (operator_to_sk (op));
if (shader) {
paint.setShader (shader);
surface->canvas->drawPaint (paint);
} else {
surface->canvas->drawBitmapMatrix (*bitmap, bitmapMatrix, &paint);
}
if (bitmap)
delete bitmap;
if (shader)
shader->unref ();
if (image != NULL) {
_cairo_surface_release_source_image (&surface->base,
image, image_extra);
}
return CAIRO_INT_STATUS_SUCCESS;
}
static cairo_int_status_t
_cairo_skia_surface_fill (void *asurface,
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_skia_surface_t *surface = (cairo_skia_surface_t *) asurface;
cairo_image_surface_t *image = NULL;
cairo_status_t status;
void *image_extra;
status = _cairo_surface_clipper_set_clip (&surface->clipper, clip);
if (unlikely (status))
return (cairo_int_status_t) status;
SkPaint paint;
paint.setStyle (SkPaint::kFill_Style);
SkColor color;
if (pattern_to_sk_color (source, color)) {
paint.setColor (color);
} else {
SkShader *shader = pattern_to_sk_shader (surface,
source, &image, &image_extra);
if (shader == NULL)
return UNSUPPORTED("pattern to shader conversion");
paint.setShader (shader);
shader->unref ();
paint.setFilterBitmap (pattern_filter_to_sk (source));
}
paint.setXfermodeMode (operator_to_sk (op));
paint.setAntiAlias (antialias != CAIRO_ANTIALIAS_NONE);
surface->canvas->drawPath (path_to_sk (path, fill_rule), paint);
if (image != NULL) {
_cairo_surface_release_source_image (&surface->base,
image, image_extra);
}
return CAIRO_INT_STATUS_SUCCESS;
}
static cairo_int_status_t
_cairo_type3_glyph_surface_show_glyphs (void *abstract_surface,
cairo_operator_t op,
const cairo_pattern_t *source,
cairo_glyph_t *glyphs,
int num_glyphs,
cairo_scaled_font_t *scaled_font,
cairo_clip_t *clip,
int *remaining_glyphs)
{
cairo_type3_glyph_surface_t *surface = abstract_surface;
cairo_int_status_t status;
cairo_scaled_font_t *font;
cairo_matrix_t new_ctm, invert_y_axis;
status = _cairo_surface_clipper_set_clip (&surface->clipper, clip);
if (unlikely (status))
return status;
cairo_matrix_init_scale (&invert_y_axis, 1, -1);
cairo_matrix_multiply (&new_ctm, &invert_y_axis, &scaled_font->ctm);
cairo_matrix_multiply (&new_ctm, &surface->cairo_to_pdf, &new_ctm);
font = cairo_scaled_font_create (scaled_font->font_face,
&scaled_font->font_matrix,
&new_ctm,
&scaled_font->options);
if (unlikely (font->status))
return font->status;
status = _cairo_pdf_operators_show_text_glyphs (&surface->pdf_operators,
NULL, 0,
glyphs, num_glyphs,
NULL, 0,
FALSE,
font);
cairo_scaled_font_destroy (font);
return status;
}
static cairo_int_status_t
_cairo_skia_surface_stroke (void *asurface,
cairo_operator_t op,
const cairo_pattern_t *source,
cairo_path_fixed_t *path,
cairo_stroke_style_t *style,
cairo_matrix_t *ctm,
cairo_matrix_t *ctm_inverse,
double tolerance,
cairo_antialias_t antialias,
cairo_clip_t *clip)
{
cairo_skia_surface_t *surface = (cairo_skia_surface_t *) asurface;
cairo_image_surface_t *image = NULL;
cairo_status_t status;
void *image_extra;
status = _cairo_surface_clipper_set_clip (&surface->clipper, clip);
if (unlikely (status))
return (cairo_int_status_t) status;
SkPaint paint;
paint.setStyle (SkPaint::kStroke_Style);
SkColor color;
if (pattern_to_sk_color (source, color)) {
paint.setColor (color);
} else {
SkShader *shader = pattern_to_sk_shader (surface,
source, &image, &image_extra);
if (shader == NULL)
return UNSUPPORTED("pattern to shader conversion");
paint.setShader (shader);
shader->unref ();
paint.setFilterBitmap (pattern_filter_to_sk (source));
}
paint.setXfermodeMode (operator_to_sk (op));
paint.setAntiAlias (antialias != CAIRO_ANTIALIAS_NONE);
/* Convert the various stroke rendering bits */
paint.setStrokeWidth (SkFloatToScalar (style->line_width));
paint.setStrokeMiter (SkFloatToScalar (style->miter_limit));
static const SkPaint::Cap capMap[] = {
SkPaint::kButt_Cap,
SkPaint::kRound_Cap,
SkPaint::kSquare_Cap
};
paint.setStrokeCap (capMap[style->line_cap]);
static const SkPaint::Join joinMap[] = {
SkPaint::kMiter_Join,
SkPaint::kRound_Join,
SkPaint::kBevel_Join
};
paint.setStrokeJoin (joinMap[style->line_join]);
/* If we have a dash pattern, we need to
* create a SkDashPathEffect and set it on the Paint.
*/
if (style->dash != NULL) {
SkScalar intervals_static[20];
SkScalar *intervals = intervals_static;
int loop = 0;
unsigned int dash_count = style->num_dashes;
if ((dash_count & 1) != 0) {
loop = 1;
dash_count <<= 1;
}
if (dash_count > 20)
intervals = new SkScalar[dash_count];
unsigned int i = 0;
do {
for (unsigned int j = 0; i < style->num_dashes; j++)
intervals[i++] = SkFloatToScalar (style->dash[j]);
} while (loop--);
SkDashPathEffect *dash = new SkDashPathEffect (intervals,
dash_count,
SkFloatToScalar (style->dash_offset));
paint.setPathEffect (dash);
dash->unref ();
}
surface->canvas->save (SkCanvas::kMatrix_SaveFlag);
surface->canvas->concat (matrix_to_sk (*ctm));
surface->canvas->drawPath (path_to_sk (path, ctm_inverse), paint);
surface->canvas->restore ();
if (image != NULL) {
_cairo_surface_release_source_image (&surface->base,
image, image_extra);
}
return CAIRO_INT_STATUS_SUCCESS;
}
