summaryrefslogtreecommitdiffstats
path: root/vcl/unx/generic/gdi/gdiimpl.hxx
blob: 48211b13d472292946a9e3b46c1d6f911bb2ece8 (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
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
/* -*- 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 <X11/Xlib.h>

#include <unx/x11/x11gdiimpl.h>

#include <salgdiimpl.hxx>

#include <basegfx/polygon/b2dtrapezoid.hxx>
#include <basegfx/polygon/b2dpolygontriangulator.hxx>
#include <ControlCacheKey.hxx>

/* From <X11/Intrinsic.h> */
typedef unsigned long Pixel;

class SalGraphics;
class SalBitmap;
class SalPolyLine;
class X11SalGraphics;
class Gradient;

class X11SalGraphicsImpl : public SalGraphicsImpl, public X11GraphicsImpl
{
private:
    X11SalGraphics& mrParent;

    Color mnBrushColor;
    GC mpBrushGC;      // Brush attributes
    Pixel mnBrushPixel;

    bool mbPenGC : 1;        // is Pen GC valid
    bool mbBrushGC : 1;      // is Brush GC valid
    bool mbCopyGC : 1;       // is Copy GC valid
    bool mbInvertGC : 1;     // is Invert GC valid
    bool mbInvert50GC : 1;   // is Invert50 GC valid
    bool mbStippleGC : 1;    // is Stipple GC valid
    bool mbTrackingGC : 1;   // is Tracking GC valid
    bool mbDitherBrush : 1;  // is solid or tile

    bool mbXORMode : 1;      // is ROP XOR Mode set

    GC mpPenGC;        // Pen attributes
    Color mnPenColor;
    Pixel mnPenPixel;


    GC mpMonoGC;
    GC mpCopyGC;
    GC mpMaskGC;
    GC mpInvertGC;
    GC mpInvert50GC;
    GC mpStippleGC;
    GC mpTrackingGC;

    GC CreateGC( Drawable      hDrawable,
            unsigned long nMask = GCGraphicsExposures );

    GC SelectBrush();
    GC SelectPen();
    inline GC GetCopyGC();
    inline GC GetStippleGC();
    GC GetTrackingGC();
    GC GetInvertGC();
    GC GetInvert50GC();

    void DrawLines( sal_uInt32              nPoints,
                               const SalPolyLine &rPoints,
                               GC                 pGC,
                               bool bClose
                               );

    XID GetXRenderPicture();
    bool drawFilledTrapezoids( const basegfx::B2DTrapezoid*, int nTrapCount, double fTransparency );
    bool drawFilledTriangles(
        const basegfx::B2DHomMatrix& rObjectToDevice,
        const basegfx::triangulator::B2DTriangleVector& rTriangles,
        double fTransparency);

    tools::Long GetGraphicsHeight() const;

    void drawMaskedBitmap( const SalTwoRect& rPosAry,
                                              const SalBitmap& rSalBitmap,
                                              const SalBitmap& rTransparentBitmap );

    void internalDrawPolyLine( sal_uInt32 nPoints, const Point* pPtAry, bool bClose );

public:

    explicit X11SalGraphicsImpl(X11SalGraphics& rParent);

    virtual void freeResources() override;

    virtual ~X11SalGraphicsImpl() override;

    virtual OUString getRenderBackendName() const override { return "gen"; }

    virtual bool setClipRegion( const vcl::Region& ) override;
    //
    // get the depth of the device
    virtual sal_uInt16 GetBitCount() const override;

    // get the width of the device
    virtual tools::Long GetGraphicsWidth() const override;

    // set the clip region to empty
    virtual void ResetClipRegion() override;

    // set the line color to transparent (= don't draw lines)

    virtual void SetLineColor() override;

    // set the line color to a specific color
    virtual void SetLineColor( Color nColor ) override;

    // set the fill color to transparent (= don't fill)
    virtual void SetFillColor() override;

    // set the fill color to a specific color, shapes will be
    // filled accordingly
    virtual void SetFillColor( Color nColor ) override;

    // enable/disable XOR drawing
    virtual void SetXORMode( bool bSet, bool bInvertOnly ) override;

    // set line color for raster operations
    virtual void SetROPLineColor( SalROPColor nROPColor ) override;

    // set fill color for raster operations
    virtual void SetROPFillColor( SalROPColor nROPColor ) override;

    // draw --> LineColor and FillColor and RasterOp and ClipRegion
    virtual void drawPixel( tools::Long nX, tools::Long nY ) override;
    virtual void drawPixel( tools::Long nX, tools::Long nY, Color nColor ) override;

    virtual void drawLine( tools::Long nX1, tools::Long nY1, tools::Long nX2, tools::Long nY2 ) override;

    virtual void drawRect( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight ) override;

    virtual void drawPolyLine( sal_uInt32 nPoints, const Point* pPtAry ) override;

    virtual void drawPolygon( sal_uInt32 nPoints, const Point* pPtAry ) override;

    virtual void drawPolyPolygon( sal_uInt32 nPoly, const sal_uInt32* pPoints, const Point** pPtAry ) override;

    virtual bool drawPolyPolygon(
                const basegfx::B2DHomMatrix& rObjectToDevice,
                const basegfx::B2DPolyPolygon&,
                double fTransparency) override;

    virtual bool drawPolyLine(
                const basegfx::B2DHomMatrix& rObjectToDevice,
                const basegfx::B2DPolygon&,
                double fTransparency,
                double fLineWidth,
                const std::vector< double >* pStroke, // MM01
                basegfx::B2DLineJoin,
                css::drawing::LineCap,
                double fMiterMinimumAngle,
                bool bPixelSnapHairline) override;

    virtual bool drawPolyLineBezier(
                sal_uInt32 nPoints,
                const Point* pPtAry,
                const PolyFlags* pFlgAry ) override;

    virtual bool drawPolygonBezier(
                sal_uInt32 nPoints,
                const Point* pPtAry,
                const PolyFlags* pFlgAry ) override;

    virtual bool drawPolyPolygonBezier(
                sal_uInt32 nPoly,
                const sal_uInt32* pPoints,
                const Point* const* pPtAry,
                const PolyFlags* const* pFlgAry ) override;

    // CopyArea --> No RasterOp, but ClipRegion
    virtual void copyArea(
                tools::Long nDestX, tools::Long nDestY,
                tools::Long nSrcX, tools::Long nSrcY,
                tools::Long nSrcWidth, tools::Long nSrcHeight,
                bool bWindowInvalidate ) override;

    // CopyBits and DrawBitmap --> RasterOp and ClipRegion
    // CopyBits() --> pSrcGraphics == NULL, then CopyBits on same Graphics
    virtual void copyBits( const SalTwoRect& rPosAry, SalGraphics* pSrcGraphics ) override;

    virtual void drawBitmap( const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap ) override;

    virtual void drawBitmap(
                const SalTwoRect& rPosAry,
                const SalBitmap& rSalBitmap,
                const SalBitmap& rMaskBitmap ) override;

    virtual void drawMask(
                const SalTwoRect& rPosAry,
                const SalBitmap& rSalBitmap,
                Color nMaskColor ) override;

    virtual std::shared_ptr<SalBitmap> getBitmap( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight ) override;

    virtual Color getPixel( tools::Long nX, tools::Long nY ) override;

    // invert --> ClipRegion (only Windows or VirDevs)
    virtual void invert(
                tools::Long nX, tools::Long nY,
                tools::Long nWidth, tools::Long nHeight,
                SalInvert nFlags) override;

    virtual void invert( sal_uInt32 nPoints, const Point* pPtAry, SalInvert nFlags ) override;

    virtual bool drawEPS(
                tools::Long nX, tools::Long nY,
                tools::Long nWidth, tools::Long nHeight,
                void* pPtr,
                sal_uInt32 nSize ) override;

    /** Blend bitmap with color channels */
    virtual bool blendBitmap(
                const SalTwoRect&,
                const SalBitmap& rBitmap ) override;

    /** Render bitmap by blending using the mask and alpha channel */
    virtual bool blendAlphaBitmap(
                const SalTwoRect&,
                const SalBitmap& rSrcBitmap,
                const SalBitmap& rMaskBitmap,
                const SalBitmap& rAlphaBitmap ) override;

    /** Render bitmap with alpha channel

        @param rSourceBitmap
        Source bitmap to blit

        @param rAlphaBitmap
        Alpha channel to use for blitting

        @return true, if the operation succeeded, and false
        otherwise. In this case, clients should try to emulate alpha
        compositing themselves
     */
    virtual bool drawAlphaBitmap(
                const SalTwoRect&,
                const SalBitmap& rSourceBitmap,
                const SalBitmap& rAlphaBitmap ) override;

    /** draw transformed bitmap (maybe with alpha) where Null, X, Y define the coordinate system */
    virtual bool drawTransformedBitmap(
                const basegfx::B2DPoint& rNull,
                const basegfx::B2DPoint& rX,
                const basegfx::B2DPoint& rY,
                const SalBitmap& rSourceBitmap,
                const SalBitmap* pAlphaBitmap,
                double fAlpha) override;

    virtual bool hasFastDrawTransformedBitmap() const override;

    /** Render solid rectangle with given transparency

        @param nTransparency
        Transparency value (0-255) to use. 0 blits and opaque, 255 a
        fully transparent rectangle
     */
    virtual bool drawAlphaRect(
                    tools::Long nX, tools::Long nY,
                    tools::Long nWidth, tools::Long nHeight,
                    sal_uInt8 nTransparency ) override;

    virtual bool drawGradient(const tools::PolyPolygon& rPolygon, const Gradient& rGradient) override;
    virtual bool implDrawGradient(basegfx::B2DPolyPolygon const & rPolyPolygon, SalGradient const & rGradient) override;

    virtual bool supportsOperation(OutDevSupportType eType) const override;

public:
    void Init() override;
};

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */