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| author | Jabier Arraiza <jabier.arraiza@marker.es> | 2019-10-19 04:33:22 +0000 |
|---|---|---|
| committer | Jabier Arraiza <jabier.arraiza@marker.es> | 2019-10-19 04:33:22 +0000 |
| commit | 2d7e690eb6a2add552b84370d56d56ec1b1fbfd4 (patch) | |
| tree | f5b76e1fbe3e2cf144d24697ce37018bf0401b86 /src/display/cairo-utils.cpp | |
| parent | Update hr.po for Inkscape 1.0 (diff) | |
| download | inkscape-2d7e690eb6a2add552b84370d56d56ec1b1fbfd4.tar.gz inkscape-2d7e690eb6a2add552b84370d56d56ec1b1fbfd4.zip | |
Add export/import PDF blend modes and add isolation modifier
Diffstat (limited to 'src/display/cairo-utils.cpp')
| -rw-r--r-- | src/display/cairo-utils.cpp | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/src/display/cairo-utils.cpp b/src/display/cairo-utils.cpp index d3ca85f7e..f560b9f19 100644 --- a/src/display/cairo-utils.cpp +++ b/src/display/cairo-utils.cpp @@ -1252,6 +1252,129 @@ private: /* None */ }; +unsigned ink_cairo_operator_to_css_blend(cairo_operator_t cairo_operator) +{ + // All of the blend modes are implemented in Cairo as of 1.10. + // For a detailed description, see: + // http://cairographics.org/operators/ + unsigned res = SP_CSS_BLEND_NORMAL; + switch (cairo_operator) { + case CAIRO_OPERATOR_MULTIPLY: + res = SP_CSS_BLEND_MULTIPLY; + break; + case CAIRO_OPERATOR_SCREEN: + res = SP_CSS_BLEND_SCREEN; + break; + case CAIRO_OPERATOR_DARKEN: + res = SP_CSS_BLEND_DARKEN; + break; + case CAIRO_OPERATOR_LIGHTEN: + res = SP_CSS_BLEND_LIGHTEN; + break; + case CAIRO_OPERATOR_OVERLAY: + res = SP_CSS_BLEND_OVERLAY; + break; + case CAIRO_OPERATOR_COLOR_DODGE: + res = SP_CSS_BLEND_COLORDODGE; + break; + case CAIRO_OPERATOR_COLOR_BURN: + res = SP_CSS_BLEND_COLORBURN; + break; + case CAIRO_OPERATOR_HARD_LIGHT: + res = SP_CSS_BLEND_HARDLIGHT; + break; + case CAIRO_OPERATOR_SOFT_LIGHT: + res = SP_CSS_BLEND_SOFTLIGHT; + break; + case CAIRO_OPERATOR_DIFFERENCE: + res = SP_CSS_BLEND_DIFFERENCE; + break; + case CAIRO_OPERATOR_EXCLUSION: + res = SP_CSS_BLEND_EXCLUSION; + break; + case CAIRO_OPERATOR_HSL_HUE: + res = SP_CSS_BLEND_HUE; + break; + case CAIRO_OPERATOR_HSL_SATURATION: + res = SP_CSS_BLEND_SATURATION; + break; + case CAIRO_OPERATOR_HSL_COLOR: + res = SP_CSS_BLEND_COLOR; + break; + case CAIRO_OPERATOR_HSL_LUMINOSITY: + res = SP_CSS_BLEND_LUMINOSITY; + break; + case CAIRO_OPERATOR_OVER: + default: + res = SP_CSS_BLEND_NORMAL; + break; + } + return res; +} + +cairo_operator_t ink_css_blend_to_cairo_operator(unsigned css_blend) +{ + // All of the blend modes are implemented in Cairo as of 1.10. + // For a detailed description, see: + // http://cairographics.org/operators/ + + cairo_operator_t res = CAIRO_OPERATOR_OVER; + switch (css_blend) { + case SP_CSS_BLEND_MULTIPLY: + res = CAIRO_OPERATOR_MULTIPLY; + break; + case SP_CSS_BLEND_SCREEN: + res = CAIRO_OPERATOR_SCREEN; + break; + case SP_CSS_BLEND_DARKEN: + res = CAIRO_OPERATOR_DARKEN; + break; + case SP_CSS_BLEND_LIGHTEN: + res = CAIRO_OPERATOR_LIGHTEN; + break; + case SP_CSS_BLEND_OVERLAY: + res = CAIRO_OPERATOR_OVERLAY; + break; + case SP_CSS_BLEND_COLORDODGE: + res = CAIRO_OPERATOR_COLOR_DODGE; + break; + case SP_CSS_BLEND_COLORBURN: + res = CAIRO_OPERATOR_COLOR_BURN; + break; + case SP_CSS_BLEND_HARDLIGHT: + res = CAIRO_OPERATOR_HARD_LIGHT; + break; + case SP_CSS_BLEND_SOFTLIGHT: + res = CAIRO_OPERATOR_SOFT_LIGHT; + break; + case SP_CSS_BLEND_DIFFERENCE: + res = CAIRO_OPERATOR_DIFFERENCE; + break; + case SP_CSS_BLEND_EXCLUSION: + res = CAIRO_OPERATOR_EXCLUSION; + break; + case SP_CSS_BLEND_HUE: + res = CAIRO_OPERATOR_HSL_HUE; + break; + case SP_CSS_BLEND_SATURATION: + res = CAIRO_OPERATOR_HSL_SATURATION; + break; + case SP_CSS_BLEND_COLOR: + res = CAIRO_OPERATOR_HSL_COLOR; + break; + case SP_CSS_BLEND_LUMINOSITY: + res = CAIRO_OPERATOR_HSL_LUMINOSITY; + break; + case SP_CSS_BLEND_NORMAL: + default: + res = CAIRO_OPERATOR_OVER; + break; + } + return res; +} + + + int ink_cairo_surface_linear_to_srgb(cairo_surface_t *surface) { cairo_surface_flush(surface); |