248 lines
10 KiB
C++
248 lines
10 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#include <basegfx/matrix/b2dhommatrix.hxx>
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#include <basegfx/range/b2drange.hxx>
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#include <basegfx/color/bcolor.hxx>
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#include <basegfx/utils/gradienttools.hxx>
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#include <vector>
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#include <functional>
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namespace drawinglayer::texture
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{
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class GeoTexSvx
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{
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public:
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GeoTexSvx();
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virtual ~GeoTexSvx();
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// compare operator
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virtual bool operator==(const GeoTexSvx& rGeoTexSvx) const;
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bool operator!=(const GeoTexSvx& rGeoTexSvx) const { return !operator==(rGeoTexSvx); }
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// virtual base methods
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virtual void modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const;
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virtual void modifyOpacity(const basegfx::B2DPoint& rUV, double& rfOpacity) const;
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};
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class GeoTexSvxGradient : public GeoTexSvx
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{
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protected:
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basegfx::ODFGradientInfo maGradientInfo;
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basegfx::B2DRange maDefinitionRange;
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sal_uInt32 mnRequestedSteps;
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basegfx::BColorStops mnColorStops;
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double mfBorder;
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// provide a single buffer entry used for gradient texture
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// mapping, see ::modifyBColor implementations
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mutable basegfx::BColorStops::BColorStopRange maLastColorStopRange;
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public:
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GeoTexSvxGradient(
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const basegfx::B2DRange& rDefinitionRange,
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sal_uInt32 nRequestedSteps,
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const basegfx::BColorStops& rColorStops,
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double fBorder);
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virtual ~GeoTexSvxGradient() override;
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// compare operator
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virtual bool operator==(const GeoTexSvx& rGeoTexSvx) const override;
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// virtual base methods
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virtual void appendTransformationsAndColors(
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const std::function<void(const basegfx::B2DHomMatrix& rMatrix, const basegfx::BColor& rColor)>& rCallback) = 0;
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};
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class GeoTexSvxGradientLinear final : public GeoTexSvxGradient
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{
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double mfUnitMinX;
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double mfUnitWidth;
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double mfUnitMaxY;
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public:
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GeoTexSvxGradientLinear(
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const basegfx::B2DRange& rDefinitionRange,
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const basegfx::B2DRange& rOutputRange,
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sal_uInt32 nRequestedSteps,
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const basegfx::BColorStops& rColorStops,
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double fBorder,
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double fAngle);
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virtual ~GeoTexSvxGradientLinear() override;
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virtual void appendTransformationsAndColors(
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const std::function<void(const basegfx::B2DHomMatrix& rMatrix, const basegfx::BColor& rColor)>& rCallback) override;
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virtual void modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const override;
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};
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class GeoTexSvxGradientAxial final : public GeoTexSvxGradient
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{
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double mfUnitMinX;
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double mfUnitWidth;
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public:
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GeoTexSvxGradientAxial(
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const basegfx::B2DRange& rDefinitionRange,
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const basegfx::B2DRange& rOutputRange,
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sal_uInt32 nRequestedSteps,
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const basegfx::BColorStops& rColorStops,
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double fBorder,
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double fAngle);
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virtual ~GeoTexSvxGradientAxial() override;
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virtual void appendTransformationsAndColors(
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const std::function<void(const basegfx::B2DHomMatrix& rMatrix, const basegfx::BColor& rColor)>& rCallback) override;
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virtual void modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const override;
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};
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class GeoTexSvxGradientRadial final : public GeoTexSvxGradient
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{
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public:
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GeoTexSvxGradientRadial(
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const basegfx::B2DRange& rDefinitionRange,
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sal_uInt32 nRequestedSteps,
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const basegfx::BColorStops& rColorStops,
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double fBorder,
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double fOffsetX,
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double fOffsetY);
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virtual ~GeoTexSvxGradientRadial() override;
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virtual void appendTransformationsAndColors(
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const std::function<void(const basegfx::B2DHomMatrix& rMatrix, const basegfx::BColor& rColor)>& rCallback) override;
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virtual void modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const override;
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};
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class GeoTexSvxGradientElliptical final : public GeoTexSvxGradient
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{
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public:
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GeoTexSvxGradientElliptical(
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const basegfx::B2DRange& rDefinitionRange,
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sal_uInt32 nRequestedSteps,
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const basegfx::BColorStops& rColorStops,
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double fBorder,
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double fOffsetX,
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double fOffsetY,
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double fAngle);
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virtual ~GeoTexSvxGradientElliptical() override;
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virtual void appendTransformationsAndColors(
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const std::function<void(const basegfx::B2DHomMatrix& rMatrix, const basegfx::BColor& rColor)>& rCallback) override;
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virtual void modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const override;
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};
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class GeoTexSvxGradientSquare final : public GeoTexSvxGradient
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{
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public:
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GeoTexSvxGradientSquare(
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const basegfx::B2DRange& rDefinitionRange,
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sal_uInt32 nRequestedSteps,
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const basegfx::BColorStops& rColorStops,
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double fBorder,
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double fOffsetX,
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double fOffsetY,
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double fAngle);
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virtual ~GeoTexSvxGradientSquare() override;
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virtual void appendTransformationsAndColors(
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const std::function<void(const basegfx::B2DHomMatrix& rMatrix, const basegfx::BColor& rColor)>& rCallback) override;
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virtual void modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const override;
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};
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class GeoTexSvxGradientRect final : public GeoTexSvxGradient
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{
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public:
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GeoTexSvxGradientRect(
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const basegfx::B2DRange& rDefinitionRange,
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sal_uInt32 nRequestedSteps,
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const basegfx::BColorStops& rColorStops,
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double fBorder,
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double fOffsetX,
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double fOffsetY,
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double fAngle);
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virtual ~GeoTexSvxGradientRect() override;
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virtual void appendTransformationsAndColors(
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const std::function<void(const basegfx::B2DHomMatrix& rMatrix, const basegfx::BColor& rColor)>& rCallback) override;
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virtual void modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const override;
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};
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class GeoTexSvxHatch final : public GeoTexSvx
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{
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basegfx::B2DRange maOutputRange;
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basegfx::B2DHomMatrix maTextureTransform;
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basegfx::B2DHomMatrix maBackTextureTransform;
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double mfDistance;
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double mfAngle;
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sal_uInt32 mnSteps;
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bool mbDefinitionRangeEqualsOutputRange : 1;
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public:
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GeoTexSvxHatch(
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const basegfx::B2DRange& rDefinitionRange,
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const basegfx::B2DRange& rOutputRange,
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double fDistance,
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double fAngle);
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virtual ~GeoTexSvxHatch() override;
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// compare operator
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virtual bool operator==(const GeoTexSvx& rGeoTexSvx) const override;
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void appendTransformations(::std::vector< basegfx::B2DHomMatrix >& rMatrices);
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double getDistanceToHatch(const basegfx::B2DPoint& rUV) const;
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const basegfx::B2DHomMatrix& getBackTextureTransform() const;
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};
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// This class applies a tiling to the unit range. The given range
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// will be repeated inside the unit range in X and Y and for each
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// tile a matrix will be created (by appendTransformations) that
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// represents the needed transformation to map a filling in unit
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// coordinates to that tile.
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// When offsetX is given, every 2nd line will be offsetted by the
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// given percentage value (offsetX has to be 0.0 <= offsetX <= 1.0).
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// Accordingly to offsetY. If both are given, offsetX is preferred
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// and offsetY is ignored.
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class GeoTexSvxTiled final : public GeoTexSvx
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{
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basegfx::B2DRange maRange;
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double mfOffsetX;
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double mfOffsetY;
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public:
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GeoTexSvxTiled(
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const basegfx::B2DRange& rRange,
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double fOffsetX = 0.0,
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double fOffsetY = 0.0);
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virtual ~GeoTexSvxTiled() override;
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// compare operator
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virtual bool operator==(const GeoTexSvx& rGeoTexSvx) const override;
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// Iterate over created tiles with callback provided.
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void iterateTiles(std::function<void(double fPosX, double fPosY)> aFunc) const;
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void appendTransformations(::std::vector< basegfx::B2DHomMatrix >& rMatrices) const;
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sal_uInt32 getNumberOfTiles() const;
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};
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} // end of namespace drawinglayer::texture
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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