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Disable support for SVG 2 operators

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This commit is contained in:
Anton Danilkin 2021-05-01 23:40:02 +02:00
parent bd487e64fc
commit 8f4668b4bf
1 changed files with 17 additions and 1 deletions
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18
src/cairo-svg-surface.c
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@ -1368,6 +1368,22 @@ _cairo_svg_surface_are_operation_and_pattern_supported (cairo_svg_surface_t *sur
return FALSE;
}
/* SVG 1.1 does not support these operators. We already have code for them for SVG 2
* that can be enabled when SVG 2 becomes widespread. */
if (op == CAIRO_OPERATOR_OVERLAY ||
op == CAIRO_OPERATOR_COLOR_DODGE ||
op == CAIRO_OPERATOR_COLOR_BURN ||
op == CAIRO_OPERATOR_HARD_LIGHT ||
op == CAIRO_OPERATOR_SOFT_LIGHT ||
op == CAIRO_OPERATOR_DIFFERENCE ||
op == CAIRO_OPERATOR_EXCLUSION ||
op == CAIRO_OPERATOR_HSL_HUE ||
op == CAIRO_OPERATOR_HSL_SATURATION ||
op == CAIRO_OPERATOR_HSL_COLOR ||
op == CAIRO_OPERATOR_HSL_LUMINOSITY) {
return FALSE;
}
if (pattern->type == CAIRO_PATTERN_TYPE_SURFACE) {
/* Do not cause stack overflow because of too deep or infinite recording surfaces. */
if (((cairo_surface_pattern_t *) pattern)->surface->type == CAIRO_SURFACE_TYPE_RECORDING &&
@ -1555,7 +1571,7 @@ _cairo_svg_surface_emit_parametric_filter (cairo_svg_document_t *document,
_CAIRO_SVG_SURFACE_OUTPUT_FE_COMPOSITE_FILTER ("xor");
break;
case CAIRO_SVG_FILTER_ADD:
// This can also be done with <feComposite operator="lighter"/>, but it is not from SVG 1.1
// This can also be done with <feComposite operator="lighter"/>, but it is not in SVG 1.1
_cairo_output_stream_printf (document->xml_node_filters,
"<filter id=\"filter-%d\" "
"x=\"0%%\" y=\"0%%\" width=\"100%%\" height=\"100%%\">\n"