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Diffstat (limited to 'include/basegfx/utils/gradienttools.hxx')
| -rw-r--r-- | include/basegfx/utils/gradienttools.hxx | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/basegfx/utils/gradienttools.hxx b/include/basegfx/utils/gradienttools.hxx index c7123bc81db3..dfa1f35b38c4 100644 --- a/include/basegfx/utils/gradienttools.hxx +++ b/include/basegfx/utils/gradienttools.hxx @@ -196,6 +196,21 @@ namespace basegfx namespace utils { + /* Tooling method to linearly blend the Colors contained in + a given ColorStop vector against a given Color using the + given intensity values. + The intensity values fStartIntensity, fEndIntensity are + in the range of [0.0 .. 1.0] and describe how much the + blend is supposed to be done at the start color position + and the end color position resprectively, where 0.0 means + to fully use the given BlendColor, 1.0 means to not change + the existing color in the ColorStop. + Every color entry in the given ColorStop is blended + relative to it's StopPosition, interpolating the + given intensities with the range [0.0 .. 1.0] to do so. + */ + BASEGFX_DLLPUBLIC void blendColorStopsToIntensity(ColorStops& rColorStops, double fStartIntensity, double fEndIntensity, const basegfx::BColor& rBlendColor); + /* Tooling method to check if a ColorStop vector is defined by a single color. It returns true if this is the case. If true is returned, rSingleColor contains that single |