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-rw-r--r-- | drawinglayer/inc/texture/texture.hxx | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/drawinglayer/inc/texture/texture.hxx b/drawinglayer/inc/texture/texture.hxx new file mode 100644 index 000000000..9cfb2d6d5 --- /dev/null +++ b/drawinglayer/inc/texture/texture.hxx @@ -0,0 +1,265 @@ +/* -*- 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 . + */ + +#pragma once + +#include <basegfx/matrix/b2dhommatrix.hxx> +#include <basegfx/range/b2drange.hxx> +#include <basegfx/color/bcolor.hxx> +#include <basegfx/utils/gradienttools.hxx> +#include <vector> +#include <functional> + +namespace drawinglayer::texture +{ + class GeoTexSvx + { + public: + GeoTexSvx(); + virtual ~GeoTexSvx(); + + // compare operator + virtual bool operator==(const GeoTexSvx& rGeoTexSvx) const; + bool operator!=(const GeoTexSvx& rGeoTexSvx) const { return !operator==(rGeoTexSvx); } + + // virtual base methods + virtual void modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const; + virtual void modifyOpacity(const basegfx::B2DPoint& rUV, double& rfOpacity) const; + }; + + /// helper class for processing equal number of matrices and colors + /// for texture processing + struct B2DHomMatrixAndBColor + { + basegfx::B2DHomMatrix maB2DHomMatrix; + basegfx::BColor maBColor; + }; + + class GeoTexSvxGradient : public GeoTexSvx + { + protected: + basegfx::ODFGradientInfo maGradientInfo; + basegfx::B2DRange maDefinitionRange; + basegfx::BColor maStart; + basegfx::BColor maEnd; + double mfBorder; + + public: + GeoTexSvxGradient( + const basegfx::B2DRange& rDefinitionRange, + const basegfx::BColor& rStart, + const basegfx::BColor& rEnd, + double fBorder); + virtual ~GeoTexSvxGradient() override; + + // compare operator + virtual bool operator==(const GeoTexSvx& rGeoTexSvx) const override; + + // virtual base methods + virtual void appendTransformationsAndColors( + std::vector< B2DHomMatrixAndBColor >& rEntries, + basegfx::BColor& rOuterColor) = 0; + }; + + class GeoTexSvxGradientLinear final : public GeoTexSvxGradient + { + double mfUnitMinX; + double mfUnitWidth; + double mfUnitMaxY; + + public: + GeoTexSvxGradientLinear( + const basegfx::B2DRange& rDefinitionRange, + const basegfx::B2DRange& rOutputRange, + const basegfx::BColor& rStart, + const basegfx::BColor& rEnd, + sal_uInt32 nSteps, + double fBorder, + double fAngle); + virtual ~GeoTexSvxGradientLinear() override; + + virtual void appendTransformationsAndColors( + std::vector< B2DHomMatrixAndBColor >& rEntries, + basegfx::BColor& rOuterColor) override; + virtual void modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const override; + }; + + class GeoTexSvxGradientAxial final : public GeoTexSvxGradient + { + double mfUnitMinX; + double mfUnitWidth; + + public: + GeoTexSvxGradientAxial( + const basegfx::B2DRange& rDefinitionRange, + const basegfx::B2DRange& rOutputRange, + const basegfx::BColor& rStart, + const basegfx::BColor& rEnd, + sal_uInt32 nSteps, + double fBorder, + double fAngle); + virtual ~GeoTexSvxGradientAxial() override; + + virtual void appendTransformationsAndColors( + std::vector< B2DHomMatrixAndBColor >& rEntries, + basegfx::BColor& rOuterColor) override; + virtual void modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const override; + }; + + class GeoTexSvxGradientRadial final : public GeoTexSvxGradient + { + public: + GeoTexSvxGradientRadial( + const basegfx::B2DRange& rDefinitionRange, + const basegfx::BColor& rStart, + const basegfx::BColor& rEnd, + sal_uInt32 nSteps, + double fBorder, + double fOffsetX, + double fOffsetY); + virtual ~GeoTexSvxGradientRadial() override; + + virtual void appendTransformationsAndColors( + std::vector< B2DHomMatrixAndBColor >& rEntries, + basegfx::BColor& rOuterColor) override; + virtual void modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const override; + }; + + class GeoTexSvxGradientElliptical final : public GeoTexSvxGradient + { + public: + GeoTexSvxGradientElliptical( + const basegfx::B2DRange& rDefinitionRange, + const basegfx::BColor& rStart, + const basegfx::BColor& rEnd, + sal_uInt32 nSteps, + double fBorder, + double fOffsetX, + double fOffsetY, + double fAngle); + virtual ~GeoTexSvxGradientElliptical() override; + + virtual void appendTransformationsAndColors( + std::vector< B2DHomMatrixAndBColor >& rEntries, + basegfx::BColor& rOuterColor) override; + virtual void modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const override; + }; + + class GeoTexSvxGradientSquare final : public GeoTexSvxGradient + { + public: + GeoTexSvxGradientSquare( + const basegfx::B2DRange& rDefinitionRange, + const basegfx::BColor& rStart, + const basegfx::BColor& rEnd, + sal_uInt32 nSteps, + double fBorder, + double fOffsetX, + double fOffsetY, + double fAngle); + virtual ~GeoTexSvxGradientSquare() override; + + virtual void appendTransformationsAndColors( + std::vector< B2DHomMatrixAndBColor >& rEntries, + basegfx::BColor& rOuterColor) override; + virtual void modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const override; + }; + + class GeoTexSvxGradientRect final : public GeoTexSvxGradient + { + public: + GeoTexSvxGradientRect( + const basegfx::B2DRange& rDefinitionRange, + const basegfx::BColor& rStart, + const basegfx::BColor& rEnd, + sal_uInt32 nSteps, + double fBorder, + double fOffsetX, + double fOffsetY, + double fAngle); + virtual ~GeoTexSvxGradientRect() override; + + virtual void appendTransformationsAndColors( + std::vector< B2DHomMatrixAndBColor >& rEntries, + basegfx::BColor& rOuterColor) override; + virtual void modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const override; + }; + + class GeoTexSvxHatch final : public GeoTexSvx + { + basegfx::B2DRange maOutputRange; + basegfx::B2DHomMatrix maTextureTransform; + basegfx::B2DHomMatrix maBackTextureTransform; + double mfDistance; + double mfAngle; + sal_uInt32 mnSteps; + + bool mbDefinitionRangeEqualsOutputRange : 1; + + public: + GeoTexSvxHatch( + const basegfx::B2DRange& rDefinitionRange, + const basegfx::B2DRange& rOutputRange, + double fDistance, + double fAngle); + virtual ~GeoTexSvxHatch() override; + + // compare operator + virtual bool operator==(const GeoTexSvx& rGeoTexSvx) const override; + + void appendTransformations(::std::vector< basegfx::B2DHomMatrix >& rMatrices); + double getDistanceToHatch(const basegfx::B2DPoint& rUV) const; + const basegfx::B2DHomMatrix& getBackTextureTransform() const; + }; + + // This class applies a tiling to the unit range. The given range + // will be repeated inside the unit range in X and Y and for each + // tile a matrix will be created (by appendTransformations) that + // represents the needed transformation to map a filling in unit + // coordinates to that tile. + // When offsetX is given, every 2nd line will be offsetted by the + // given percentage value (offsetX has to be 0.0 <= offsetX <= 1.0). + // Accordingly to offsetY. If both are given, offsetX is preferred + // and offsetY is ignored. + class GeoTexSvxTiled final : public GeoTexSvx + { + basegfx::B2DRange maRange; + double mfOffsetX; + double mfOffsetY; + + public: + GeoTexSvxTiled( + const basegfx::B2DRange& rRange, + double fOffsetX = 0.0, + double fOffsetY = 0.0); + virtual ~GeoTexSvxTiled() override; + + // compare operator + virtual bool operator==(const GeoTexSvx& rGeoTexSvx) const override; + + // Iterate over created tiles with callback provided. + void iterateTiles(std::function<void(double fPosX, double fPosY)> aFunc) const; + + void appendTransformations(::std::vector< basegfx::B2DHomMatrix >& rMatrices) const; + sal_uInt32 getNumberOfTiles() const; + }; +} // end of namespace drawinglayer::texture + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |