mirror of
https://gitlab.freedesktop.org/cairo/cairo.git
synced 2026-04-25 23:40:41 +02:00
Update the analyze mode of operations
This commit is contained in:
Anton Danilkin
parent
2a9e189410
commit
daeb9736e9
1 changed files with 183 additions and 228 deletions
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@ -45,7 +45,6 @@
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#include "cairo-svg.h"
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#include "cairo-array-private.h"
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#include "cairo-analysis-surface-private.h"
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#include "cairo-default-context-private.h"
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#include "cairo-error-private.h"
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#include "cairo-image-info-private.h"
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@ -1100,62 +1099,24 @@ _cairo_svg_surface_operators[] = {
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};
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static cairo_bool_t
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_cairo_svg_surface_analyze_operator (cairo_svg_surface_t *surface,
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cairo_operator_t op)
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_cairo_svg_surface_is_pattern_supported (cairo_svg_surface_t *surface,
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const cairo_pattern_t *pattern)
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{
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/* guard against newly added operators */
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if (op >= ARRAY_LENGTH (_cairo_svg_surface_operators))
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return CAIRO_INT_STATUS_UNSUPPORTED;
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/* allow operators being NULL if they are unsupported */
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if (_cairo_svg_surface_operators[op] == NULL)
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return CAIRO_INT_STATUS_UNSUPPORTED;
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return CAIRO_STATUS_SUCCESS;
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}
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static cairo_int_status_t
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_cairo_svg_surface_analyze_operation (cairo_svg_surface_t *surface,
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cairo_operator_t op,
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const cairo_pattern_t *pattern)
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{
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cairo_svg_document_t *document = surface->document;
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if (surface->force_fallbacks &&
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surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE)
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{
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return CAIRO_INT_STATUS_UNSUPPORTED;
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if (surface->force_fallbacks) {
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return FALSE;
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}
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if (pattern->type == CAIRO_PATTERN_TYPE_MESH)
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return CAIRO_INT_STATUS_UNSUPPORTED;
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if (pattern->type == CAIRO_PATTERN_TYPE_MESH) {
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return FALSE;
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}
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/* SVG doesn't support extends reflect and pad for surface pattern */
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if (pattern->type == CAIRO_PATTERN_TYPE_SURFACE &&
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pattern->extend != CAIRO_EXTEND_NONE &&
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pattern->extend != CAIRO_EXTEND_REPEAT)
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return CAIRO_INT_STATUS_UNSUPPORTED;
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if (pattern->type == CAIRO_PATTERN_TYPE_SURFACE && (pattern->extend != CAIRO_EXTEND_NONE &&
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pattern->extend != CAIRO_EXTEND_REPEAT)) {
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return FALSE;
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}
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if (document->svg_version >= CAIRO_SVG_VERSION_1_2)
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return _cairo_svg_surface_analyze_operator (surface, op);
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if (op == CAIRO_OPERATOR_OVER)
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return CAIRO_STATUS_SUCCESS;
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/* The SOURCE operator is only supported if there is nothing
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* painted underneath. */
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if (op == CAIRO_OPERATOR_SOURCE)
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return CAIRO_INT_STATUS_FLATTEN_TRANSPARENCY;
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return CAIRO_INT_STATUS_UNSUPPORTED;
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}
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static cairo_int_status_t
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_cairo_svg_surface_operation_supported (cairo_svg_surface_t *surface,
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cairo_operator_t op,
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const cairo_pattern_t *pattern)
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{
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return _cairo_svg_surface_analyze_operation (surface, op, pattern) != CAIRO_INT_STATUS_UNSUPPORTED;
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return TRUE;
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}
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static cairo_status_t
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@ -1664,7 +1625,7 @@ _cairo_svg_surface_emit_recording_surface (cairo_svg_document_t *document,
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if (bounded) {
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_cairo_output_stream_printf (document->xml_node_defs,
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"<clipPath id=\"clip%d\">\n"
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" <rect x=\"%d\" y=\"%d\" width=\"%d\" height=\"%d\"/>\n"
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"<rect x=\"%d\" y=\"%d\" width=\"%d\" height=\"%d\"/>\n"
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"</clipPath>\n",
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svg_surface->document->clip_id,
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extents.x,
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@ -2418,140 +2379,6 @@ _cairo_svg_surface_emit_stroke_style (cairo_output_stream_t *output,
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return CAIRO_STATUS_SUCCESS;
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}
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static cairo_int_status_t
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_cairo_svg_surface_fill_stroke (void *abstract_surface,
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cairo_operator_t fill_op,
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const cairo_pattern_t *fill_source,
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cairo_fill_rule_t fill_rule,
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double fill_tolerance,
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cairo_antialias_t fill_antialias,
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const cairo_path_fixed_t*path,
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cairo_operator_t stroke_op,
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const cairo_pattern_t *stroke_source,
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const cairo_stroke_style_t *stroke_style,
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const cairo_matrix_t *stroke_ctm,
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const cairo_matrix_t *stroke_ctm_inverse,
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double stroke_tolerance,
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cairo_antialias_t stroke_antialias,
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const cairo_clip_t *clip)
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{
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cairo_svg_surface_t *surface = abstract_surface;
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cairo_status_t status;
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if (_cairo_svg_surface_svg_clip_or_svg_mask_should_be_used (fill_source) ||
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_cairo_svg_surface_svg_clip_or_svg_mask_should_be_used (stroke_source)) {
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status = _cairo_surface_fill (&surface->base, fill_op, fill_source, path,
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fill_rule, fill_tolerance, fill_antialias,
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clip);
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if (unlikely (status))
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return status;
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status = _cairo_surface_stroke (&surface->base, stroke_op, stroke_source, path,
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stroke_style, stroke_ctm, stroke_ctm_inverse,
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stroke_tolerance, stroke_antialias,
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clip);
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if (unlikely (status))
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return status;
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}
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status = _cairo_surface_clipper_set_clip (&surface->clipper, clip);
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if (unlikely (status))
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return status;
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_cairo_output_stream_printf (surface->xml_node, "<path style=\"");
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status = _cairo_svg_surface_emit_fill_style (surface->xml_node, surface, fill_op,
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fill_source, fill_rule, stroke_ctm_inverse);
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if (unlikely (status))
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return status;
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status = _cairo_svg_surface_emit_stroke_style (surface->xml_node, surface, stroke_op,
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stroke_source, stroke_style, stroke_ctm_inverse);
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if (unlikely (status))
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return status;
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_cairo_output_stream_printf (surface->xml_node, "\" ");
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_cairo_svg_surface_emit_path (surface->xml_node, path, stroke_ctm_inverse);
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_cairo_svg_surface_emit_transform (surface->xml_node, " transform", stroke_ctm, NULL);
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_cairo_output_stream_printf (surface->xml_node, "/>\n");
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return CAIRO_STATUS_SUCCESS;
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}
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static cairo_int_status_t
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_cairo_svg_surface_fill (void *abstract_surface,
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cairo_operator_t op,
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const cairo_pattern_t *source,
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const cairo_path_fixed_t*path,
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cairo_fill_rule_t fill_rule,
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double tolerance,
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cairo_antialias_t antialias,
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const cairo_clip_t *clip)
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{
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cairo_svg_surface_t *surface = abstract_surface;
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cairo_status_t status;
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if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE)
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return _cairo_svg_surface_analyze_operation (surface, op, source);
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assert (_cairo_svg_surface_operation_supported (surface, op, source));
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status = _cairo_surface_clipper_set_clip (&surface->clipper, clip);
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if (unlikely (status))
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return status;
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if (_cairo_svg_surface_svg_clip_or_svg_mask_should_be_used (source)) {
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_cairo_output_stream_printf (surface->document->xml_node_defs,
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"<clipPath id=\"clip%d\">\n"
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"<path ",
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surface->document->clip_id);
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_cairo_svg_surface_emit_path (surface->document->xml_node_defs, path, NULL);
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_cairo_output_stream_printf (surface->document->xml_node_defs,
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"/>\n"
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"</clipPath>\n");
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_cairo_output_stream_printf (surface->xml_node,
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"<g clip-path=\"url(#clip%d)\" "
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"clip-rule=\"%s\" "
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"style=\"",
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surface->document->clip_id,
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fill_rule == CAIRO_FILL_RULE_EVEN_ODD ? "evenodd" : "nonzero");
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surface->document->clip_id++;
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_cairo_svg_surface_emit_operator_for_style (surface->xml_node, surface, op);
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_cairo_output_stream_printf (surface->xml_node, "\">\n");
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status = _cairo_svg_surface_emit_composite_pattern (surface->xml_node,
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surface,
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op,
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(cairo_surface_pattern_t *) source,
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invalid_pattern_id,
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NULL);
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if (unlikely (status))
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return status;
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_cairo_output_stream_printf (surface->xml_node, "</g>");
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} else {
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_cairo_output_stream_printf (surface->xml_node, "<path style=\"");
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status = _cairo_svg_surface_emit_fill_style (surface->xml_node, surface, op, source, fill_rule, NULL);
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if (unlikely (status))
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return status;
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_cairo_output_stream_printf (surface->xml_node, "\" ");
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_cairo_svg_surface_emit_path (surface->xml_node, path, NULL);
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_cairo_output_stream_printf (surface->xml_node, "/>\n");
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}
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return CAIRO_STATUS_SUCCESS;
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}
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static cairo_bool_t
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_cairo_svg_surface_get_extents (void *abstract_surface,
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cairo_rectangle_int_t *rectangle)
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@ -2640,11 +2467,10 @@ _cairo_svg_surface_paint (void *abstract_surface,
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case CAIRO_PAGINATED_MODE_FALLBACK:
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ASSERT_NOT_REACHED;
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}
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} else {
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if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE)
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return _cairo_svg_surface_analyze_operation (surface, op, source);
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assert (_cairo_svg_surface_operation_supported (surface, op, source));
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} else if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE) {
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return _cairo_svg_surface_is_pattern_supported (surface, source)
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? CAIRO_STATUS_SUCCESS
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: CAIRO_INT_STATUS_UNSUPPORTED;
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}
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status = _cairo_surface_clipper_set_clip (&surface->clipper, clip);
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@ -2669,27 +2495,12 @@ _cairo_svg_surface_mask (void *abstract_surface,
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unsigned int mask_id;
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if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE) {
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cairo_status_t source_status, mask_status;
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source_status = _cairo_svg_surface_analyze_operation (surface, op, source);
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if (_cairo_status_is_error (source_status))
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return source_status;
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if (mask->has_component_alpha) {
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mask_status = CAIRO_INT_STATUS_UNSUPPORTED;
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} else {
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mask_status = _cairo_svg_surface_analyze_operation (surface, op, mask);
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if (_cairo_status_is_error (mask_status))
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return mask_status;
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}
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return _cairo_analysis_surface_merge_status (source_status,
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mask_status);
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return _cairo_svg_surface_is_pattern_supported (surface, source) &&
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_cairo_svg_surface_is_pattern_supported (surface, mask)
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? CAIRO_STATUS_SUCCESS
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: CAIRO_INT_STATUS_UNSUPPORTED;
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}
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assert (_cairo_svg_surface_operation_supported (surface, op, source));
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assert (_cairo_svg_surface_operation_supported (surface, CAIRO_OPERATOR_OVER, mask));
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status = _cairo_surface_clipper_set_clip (&surface->clipper, clip);
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if (unlikely (status))
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return status;
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@ -2757,10 +2568,11 @@ _cairo_svg_surface_stroke (void *abstract_dst,
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cairo_svg_surface_t *surface = abstract_dst;
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cairo_status_t status;
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if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE)
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return _cairo_svg_surface_analyze_operation (surface, op, source);
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assert (_cairo_svg_surface_operation_supported (surface, op, source));
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if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE) {
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return _cairo_svg_surface_is_pattern_supported (surface, source)
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? CAIRO_STATUS_SUCCESS
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: CAIRO_INT_STATUS_UNSUPPORTED;
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}
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status = _cairo_surface_clipper_set_clip (&surface->clipper, clip);
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if (unlikely (status)) {
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@ -2829,6 +2641,156 @@ _cairo_svg_surface_stroke (void *abstract_dst,
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return CAIRO_STATUS_SUCCESS;
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}
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static cairo_int_status_t
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_cairo_svg_surface_fill (void *abstract_surface,
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cairo_operator_t op,
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const cairo_pattern_t *source,
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const cairo_path_fixed_t *path,
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cairo_fill_rule_t fill_rule,
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double tolerance,
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cairo_antialias_t antialias,
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const cairo_clip_t *clip)
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{
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cairo_svg_surface_t *surface = abstract_surface;
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cairo_status_t status;
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if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE) {
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return _cairo_svg_surface_is_pattern_supported (surface, source)
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? CAIRO_STATUS_SUCCESS
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: CAIRO_INT_STATUS_UNSUPPORTED;
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}
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status = _cairo_surface_clipper_set_clip (&surface->clipper, clip);
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if (unlikely (status)) {
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return status;
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}
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if (_cairo_svg_surface_svg_clip_or_svg_mask_should_be_used (source)) {
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_cairo_output_stream_printf (surface->document->xml_node_defs,
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"<clipPath id=\"clip%d\">\n"
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"<path ",
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surface->document->clip_id);
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_cairo_svg_surface_emit_path (surface->document->xml_node_defs, path, NULL);
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_cairo_output_stream_printf (surface->document->xml_node_defs,
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"/>\n"
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"</clipPath>\n");
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_cairo_output_stream_printf (surface->xml_node,
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"<g clip-path=\"url(#clip%d)\" "
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"clip-rule=\"%s\" "
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"style=\"",
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surface->document->clip_id,
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fill_rule == CAIRO_FILL_RULE_EVEN_ODD ? "evenodd" : "nonzero");
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surface->document->clip_id++;
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_cairo_svg_surface_emit_operator_for_style (surface->xml_node, surface, op);
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_cairo_output_stream_printf (surface->xml_node, "\">\n");
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status = _cairo_svg_surface_emit_composite_pattern (surface->xml_node,
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surface,
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op,
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(cairo_surface_pattern_t *) source,
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invalid_pattern_id,
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NULL);
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if (unlikely (status)) {
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return status;
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}
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_cairo_output_stream_printf (surface->xml_node, "</g>");
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} else {
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_cairo_output_stream_printf (surface->xml_node, "<path style=\"");
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status = _cairo_svg_surface_emit_fill_style (surface->xml_node, surface, op, source, fill_rule, NULL);
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if (unlikely (status)) {
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return status;
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}
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_cairo_output_stream_printf (surface->xml_node, "\" ");
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_cairo_svg_surface_emit_path (surface->xml_node, path, NULL);
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_cairo_output_stream_printf (surface->xml_node, "/>\n");
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}
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return CAIRO_STATUS_SUCCESS;
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}
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static cairo_int_status_t
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_cairo_svg_surface_fill_stroke (void *abstract_surface,
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cairo_operator_t fill_op,
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const cairo_pattern_t *fill_source,
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cairo_fill_rule_t fill_rule,
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double fill_tolerance,
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cairo_antialias_t fill_antialias,
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const cairo_path_fixed_t *path,
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cairo_operator_t stroke_op,
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const cairo_pattern_t *stroke_source,
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const cairo_stroke_style_t *stroke_style,
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const cairo_matrix_t *stroke_ctm,
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const cairo_matrix_t *stroke_ctm_inverse,
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double stroke_tolerance,
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cairo_antialias_t stroke_antialias,
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const cairo_clip_t *clip)
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{
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cairo_svg_surface_t *surface = abstract_surface;
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cairo_status_t status;
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if (_cairo_svg_surface_svg_clip_or_svg_mask_should_be_used (fill_source) ||
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_cairo_svg_surface_svg_clip_or_svg_mask_should_be_used (stroke_source)) {
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status = _cairo_svg_surface_fill (abstract_surface, fill_op, fill_source, path,
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fill_rule, fill_tolerance, fill_antialias,
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clip);
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if (unlikely (status)) {
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return status;
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}
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status = _cairo_svg_surface_stroke (abstract_surface, stroke_op, stroke_source, path,
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stroke_style, stroke_ctm, stroke_ctm_inverse,
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stroke_tolerance, stroke_antialias,
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clip);
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if (unlikely (status)) {
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return status;
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}
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}
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if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE) {
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return _cairo_svg_surface_is_pattern_supported (surface, fill_source)
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&& _cairo_svg_surface_is_pattern_supported (surface, stroke_source)
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? CAIRO_STATUS_SUCCESS
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: CAIRO_INT_STATUS_UNSUPPORTED;
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}
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|
||||
status = _cairo_surface_clipper_set_clip (&surface->clipper, clip);
|
||||
if (unlikely (status)) {
|
||||
return status;
|
||||
}
|
||||
|
||||
_cairo_output_stream_printf (surface->xml_node, "<path style=\"");
|
||||
status = _cairo_svg_surface_emit_fill_style (surface->xml_node, surface, fill_op,
|
||||
fill_source, fill_rule, stroke_ctm_inverse);
|
||||
if (unlikely (status)) {
|
||||
return status;
|
||||
}
|
||||
|
||||
status = _cairo_svg_surface_emit_stroke_style (surface->xml_node, surface, stroke_op,
|
||||
stroke_source, stroke_style, stroke_ctm_inverse);
|
||||
if (unlikely (status)) {
|
||||
return status;
|
||||
}
|
||||
|
||||
_cairo_output_stream_printf (surface->xml_node, "\" ");
|
||||
|
||||
_cairo_svg_surface_emit_path (surface->xml_node, path, stroke_ctm_inverse);
|
||||
|
||||
_cairo_svg_surface_emit_transform (surface->xml_node, " transform", stroke_ctm, NULL);
|
||||
_cairo_output_stream_printf (surface->xml_node, "/>\n");
|
||||
|
||||
return CAIRO_STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
static cairo_int_status_t
|
||||
_cairo_svg_surface_show_glyphs (void *abstract_surface,
|
||||
cairo_operator_t op,
|
||||
|
|
@ -2845,10 +2807,11 @@ _cairo_svg_surface_show_glyphs (void *abstract_surface,
|
|||
cairo_scaled_font_subsets_glyph_t subset_glyph;
|
||||
int i;
|
||||
|
||||
if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE)
|
||||
return _cairo_svg_surface_analyze_operation (surface, op, pattern);
|
||||
|
||||
assert (_cairo_svg_surface_operation_supported (surface, op, pattern));
|
||||
if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE) {
|
||||
return _cairo_svg_surface_is_pattern_supported (surface, pattern)
|
||||
? CAIRO_STATUS_SUCCESS
|
||||
: CAIRO_INT_STATUS_UNSUPPORTED;
|
||||
}
|
||||
|
||||
if (num_glyphs <= 0)
|
||||
return CAIRO_STATUS_SUCCESS;
|
||||
|
|
@ -3210,17 +3173,9 @@ _cairo_svg_surface_set_paginated_mode (void *abstract_surface,
|
|||
}
|
||||
|
||||
static cairo_bool_t
|
||||
_cairo_svg_surface_supports_fine_grained_fallbacks (void *abstract_surface)
|
||||
_cairo_svg_surface_supports_fine_grained_fallbacks (void *abstract_surface)
|
||||
{
|
||||
cairo_svg_surface_t *surface = abstract_surface;
|
||||
cairo_int_status_t status = CAIRO_INT_STATUS_UNSUPPORTED;
|
||||
|
||||
if (surface->document->svg_version >= CAIRO_SVG_VERSION_1_2) {
|
||||
status = _cairo_svg_surface_analyze_operator (surface,
|
||||
CAIRO_OPERATOR_SOURCE);
|
||||
}
|
||||
|
||||
return status == CAIRO_INT_STATUS_SUCCESS;
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static const cairo_paginated_surface_backend_t cairo_svg_surface_paginated_backend = {
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue