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/* -*- 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;
};
class GeoTexSvxGradient : public GeoTexSvx
{
protected:
basegfx::ODFGradientInfo maGradientInfo;
basegfx::B2DRange maDefinitionRange;
sal_uInt32 mnRequestedSteps;
basegfx::BColorStops mnColorStops;
double mfBorder;
// provide a single buffer entry used for gradient texture
// mapping, see ::modifyBColor implementations
mutable basegfx::BColorStops::BColorStopRange maLastColorStopRange;
public:
GeoTexSvxGradient(
const basegfx::B2DRange& rDefinitionRange,
sal_uInt32 nRequestedSteps,
const basegfx::BColorStops& rColorStops,
double fBorder);
virtual ~GeoTexSvxGradient() override;
// compare operator
virtual bool operator==(const GeoTexSvx& rGeoTexSvx) const override;
// virtual base methods
virtual void appendTransformationsAndColors(
std::function<void(const basegfx::B2DHomMatrix& rMatrix, const basegfx::BColor& rColor)> aCallback) = 0;
};
class GeoTexSvxGradientLinear final : public GeoTexSvxGradient
{
double mfUnitMinX;
double mfUnitWidth;
double mfUnitMaxY;
public:
GeoTexSvxGradientLinear(
const basegfx::B2DRange& rDefinitionRange,
const basegfx::B2DRange& rOutputRange,
sal_uInt32 nRequestedSteps,
const basegfx::BColorStops& rColorStops,
double fBorder,
double fAngle);
virtual ~GeoTexSvxGradientLinear() override;
virtual void appendTransformationsAndColors(
std::function<void(const basegfx::B2DHomMatrix& rMatrix, const basegfx::BColor& rColor)> aCallback) 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,
sal_uInt32 nRequestedSteps,
const basegfx::BColorStops& rColorStops,
double fBorder,
double fAngle);
virtual ~GeoTexSvxGradientAxial() override;
virtual void appendTransformationsAndColors(
std::function<void(const basegfx::B2DHomMatrix& rMatrix, const basegfx::BColor& rColor)> aCallback) 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,
sal_uInt32 nRequestedSteps,
const basegfx::BColorStops& rColorStops,
double fBorder,
double fOffsetX,
double fOffsetY);
virtual ~GeoTexSvxGradientRadial() override;
virtual void appendTransformationsAndColors(
std::function<void(const basegfx::B2DHomMatrix& rMatrix, const basegfx::BColor& rColor)> aCallback) 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,
sal_uInt32 nRequestedSteps,
const basegfx::BColorStops& rColorStops,
double fBorder,
double fOffsetX,
double fOffsetY,
double fAngle);
virtual ~GeoTexSvxGradientElliptical() override;
virtual void appendTransformationsAndColors(
std::function<void(const basegfx::B2DHomMatrix& rMatrix, const basegfx::BColor& rColor)> aCallback) 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,
sal_uInt32 nRequestedSteps,
const basegfx::BColorStops& rColorStops,
double fBorder,
double fOffsetX,
double fOffsetY,
double fAngle);
virtual ~GeoTexSvxGradientSquare() override;
virtual void appendTransformationsAndColors(
std::function<void(const basegfx::B2DHomMatrix& rMatrix, const basegfx::BColor& rColor)> aCallback) 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,
sal_uInt32 nRequestedSteps,
const basegfx::BColorStops& rColorStops,
double fBorder,
double fOffsetX,
double fOffsetY,
double fAngle);
virtual ~GeoTexSvxGradientRect() override;
virtual void appendTransformationsAndColors(
std::function<void(const basegfx::B2DHomMatrix& rMatrix, const basegfx::BColor& rColor)> aCallback) 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: */
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