summaryrefslogtreecommitdiffstats
path: root/drawinglayer/inc/texture/texture.hxx
blob: 5128a30cf2a86594ef8547632c7eab869ba3e204 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
/* -*- 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: */