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Diffstat (limited to 'include/oox/drawingml/color.hxx')
| -rw-r--r-- | include/oox/drawingml/color.hxx | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/include/oox/drawingml/color.hxx b/include/oox/drawingml/color.hxx new file mode 100644 index 000000000..b28c92698 --- /dev/null +++ b/include/oox/drawingml/color.hxx @@ -0,0 +1,167 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#ifndef INCLUDED_OOX_DRAWINGML_COLOR_HXX +#define INCLUDED_OOX_DRAWINGML_COLOR_HXX + +#include <vector> + +#include <com/sun/star/beans/PropertyValue.hpp> +#include <com/sun/star/uno/Sequence.hxx> +#include <oox/helper/helper.hxx> +#include <oox/dllapi.h> +#include <rtl/ustring.hxx> +#include <sal/types.h> +#include <tools/color.hxx> + +namespace oox { class GraphicHelper; } + +namespace oox::drawingml { + + +class OOX_DLLPUBLIC Color +{ +public: + Color(); + + /** Returns the RGB value for the passed DrawingML color token, or nDefaultRgb on error. */ + static ::Color getDmlPresetColor( sal_Int32 nToken, ::Color nDefaultRgb ); + /** Returns the RGB value for the passed VML color token, or nDefaultRgb on error. */ + static ::Color getVmlPresetColor( sal_Int32 nToken, ::Color nDefaultRgb ); + /** Returns the RGB value for the passed VML color token, or nDefaultRgb on error. */ + static ::Color getHighlightColor(sal_Int32 nToken, ::Color nDefaultRgb); + + /** Sets the color to unused state. */ + void setUnused(); + /** Sets an RGB value (hexadecimal RRGGBB) from the a:srgbClr element. */ + void setSrgbClr( sal_Int32 nRgb ); + void setSrgbClr( ::Color nRgb ); + /** Sets the percentual RGB values from the a:scrgbClr element. */ + void setScrgbClr( sal_Int32 nR, sal_Int32 nG, sal_Int32 nB ); + /** Sets the HSL values from the a:hslClr element. */ + void setHslClr( sal_Int32 nHue, sal_Int32 nSat, sal_Int32 nLum ); + /** Sets a predefined color from the a:prstClr element. */ + void setPrstClr( sal_Int32 nToken ); + /** Sets a predefined color from the w:highlight element. */ + void setHighlight(sal_Int32 nToken); + /** Sets a scheme color from the a:schemeClr element. */ + void setSchemeClr( sal_Int32 nToken ); + /** Sets the scheme name from the a:schemeClr element for interoperability purposes */ + void setSchemeName( const OUString& sSchemeName ) { msSchemeName = sSchemeName; } + /** Sets a system color from the a:sysClr element. */ + void setSysClr( sal_Int32 nToken, sal_Int32 nLastRgb ); + /** Sets a palette color index. */ + void setPaletteClr( sal_Int32 nPaletteIdx ); + + /** Inserts the passed color transformation. */ + void addTransformation( sal_Int32 nElement, sal_Int32 nValue = -1 ); + /** Inserts Chart specific color tint (-1.0...0.0 = shade, 0.0...1.0 = tint). */ + void addChartTintTransformation( double fTint ); + /** Inserts Excel specific color tint (-1.0...0.0 = shade, 0.0...1.0 = tint). */ + void addExcelTintTransformation( double fTint ); + /** Removes all color transformations. */ + void clearTransformations(); + /** Removes transparence from the color. */ + void clearTransparence(); + + /** Overwrites this color with the passed color, if it is used. */ + void assignIfUsed( const Color& rColor ) { if( rColor.isUsed() ) *this = rColor; } + + /** Returns true, if the color is initialized. */ + bool isUsed() const { return meMode != COLOR_UNUSED; } + /** Returns true, if the color is a placeholder color in theme style lists. */ + bool isPlaceHolder() const { return meMode == COLOR_PH; } + /** Returns the final RGB color value. + @param nPhClr Actual color for the phClr placeholder color used in theme style lists. */ + ::Color getColor( const GraphicHelper& rGraphicHelper, ::Color nPhClr = API_RGB_TRANSPARENT ) const; + + /** Returns true, if the color is transparent. */ + bool hasTransparency() const; + /** Returns the transparency of the color (0 = opaque, 100 = full transparent). */ + sal_Int16 getTransparency() const; + + /** Returns the scheme name from the a:schemeClr element for interoperability purposes */ + const OUString& getSchemeColorName() const { return msSchemeName; } + sal_Int16 getSchemeColorIndex() const; + sal_Int16 getTintOrShade() const; + sal_Int16 getLumMod() const; + sal_Int16 getLumOff() const; + + /** Returns the unaltered list of transformations for interoperability purposes */ + const css::uno::Sequence< css::beans::PropertyValue >& getTransformations() const { return maInteropTransformations;} + + /** Translates between color transformation tokens and their names */ + static OUString getColorTransformationName( sal_Int32 nElement ); + /** Translates between color transformation token names and the corresponding token */ + static sal_Int32 getColorTransformationToken( std::u16string_view sName ); + + /// Compares this color with rOther. + bool equals(const Color& rOther, const GraphicHelper& rGraphicHelper, ::Color nPhClr) const; + +private: + /** Internal helper for getColor(). */ + void setResolvedRgb( ::Color nRgb ) const; + + /** Converts the color components to RGB values. */ + void toRgb() const; + /** Converts the color components to CRGB values (gamma corrected percentage). */ + void toCrgb() const; + /** Converts the color components to HSL values. */ + void toHsl() const; + +private: + enum ColorMode + { + COLOR_UNUSED, /// Color is not used, or undefined. + COLOR_RGB, /// Absolute RGB (r/g/b: 0...255). + COLOR_CRGB, /// Relative RGB (r/g/b: 0...100000). + COLOR_HSL, /// HSL (hue: 0...21600000, sat/lum: 0...100000). + COLOR_SCHEME, /// Color from scheme. + COLOR_PALETTE, /// Color from application defined palette. + COLOR_SYSTEM, /// Color from system palette. + COLOR_PH, /// Placeholder color in theme style lists. + COLOR_FINAL /// Finalized RGB color. + }; + + struct Transformation + { + sal_Int32 mnToken; + sal_Int32 mnValue; + + explicit Transformation( sal_Int32 nToken, sal_Int32 nValue ) : mnToken( nToken ), mnValue( nValue ) {} + }; + + mutable ColorMode meMode; /// Current color mode. + mutable std::vector< Transformation > + maTransforms; /// Color transformations. + mutable sal_Int32 mnC1; /// Red, red%, hue, scheme token, palette index, system token, or final RGB. + mutable sal_Int32 mnC2; /// Green, green%, saturation, or system default RGB. + mutable sal_Int32 mnC3; /// Blue, blue%, or luminance. + sal_Int32 mnAlpha; /// Alpha value (color opacity). + + OUString msSchemeName; /// Scheme name from the a:schemeClr element for interoperability purposes + css::uno::Sequence< css::beans::PropertyValue > + maInteropTransformations; /// Unaltered list of transformations for interoperability purposes +}; + +} // namespace oox::drawingml + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |