summaryrefslogtreecommitdiff
path: root/vcl/unx/generic/gdi/X11CairoSalGraphicsImpl.hxx
blob: 607809d1421f35623636ba22faac06470c43f7c0 (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
/* -*- 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 .
 */

#include <cairo-xlib.h>
#include <unx/salgdi.h>
#include <unx/x11/x11gdiimpl.h>
#include "cairo_xlib_cairo.hxx"

#include <headless/CairoCommon.hxx>

class X11CairoSalGraphicsImpl : public SalGraphicsImpl, public X11GraphicsImpl
{
private:
    X11SalGraphics& mrParent;
    CairoCommon& mrCairoCommon;

public:
    X11CairoSalGraphicsImpl(X11SalGraphics& rParent, CairoCommon& rCairoCommon);

    void Init() override;

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

    // get the depth of the device
    sal_uInt16 GetBitCount() const override { return mrParent.GetVisual().GetDepth(); }

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

    void ResetClipRegion() override { mrCairoCommon.m_aClipRegion.SetNull(); }

    void setClipRegion(const vcl::Region& i_rClip) override
    {
        mrCairoCommon.m_aClipRegion = i_rClip;
    }

    void SetLineColor() override { mrCairoCommon.m_oLineColor = std::nullopt; }

    void SetLineColor(Color nColor) override { mrCairoCommon.m_oLineColor = nColor; }

    void SetFillColor() override { mrCairoCommon.m_oFillColor = std::nullopt; }

    void SetFillColor(Color nColor) override { mrCairoCommon.m_oFillColor = nColor; }

    void SetXORMode(bool bSet, bool bInvertOnly) override
    {
        mrCairoCommon.SetXORMode(bSet, bInvertOnly);
    }

    void SetROPLineColor(SalROPColor nROPColor) override
    {
        mrCairoCommon.SetROPLineColor(nROPColor);
    }

    void SetROPFillColor(SalROPColor nROPColor) override
    {
        mrCairoCommon.SetROPFillColor(nROPColor);
    }

    void clipRegion(cairo_t* cr) { CairoCommon::clipRegion(cr, mrCairoCommon.m_aClipRegion); }

    void drawPixel(tools::Long nX, tools::Long nY) override;
    void drawPixel(tools::Long nX, tools::Long nY, Color nColor) override;
    Color getPixel(tools::Long nX, tools::Long nY) override;

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

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

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

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

    void drawPolyPolygon(const basegfx::B2DHomMatrix& rObjectToDevice,
                         const basegfx::B2DPolyPolygon& rPolyPolygon,
                         double fTransparency) override;

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

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

    /** Render solid rectangle with given transparency

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

    bool drawGradient(const tools::PolyPolygon& rPolygon, const Gradient& rGradient) override;

    bool implDrawGradient(basegfx::B2DPolyPolygon const& rPolyPolygon,
                          SalGradient const& rGradient) override;

    void invert(tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight,
                SalInvert nFlags) override;

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

    // CopyArea --> No RasterOp, but ClipRegion
    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
    void copyBits(const SalTwoRect& rPosAry, SalGraphics* pSrcGraphics) override;

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

    void drawBitmap(const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap,
                    const SalBitmap& rMaskBitmap) 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
     */
    bool drawAlphaBitmap(const SalTwoRect&, const SalBitmap& rSourceBitmap,
                         const SalBitmap& rAlphaBitmap) override;

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

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

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

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

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

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

    bool hasFastDrawTransformedBitmap() const override;

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

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

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

    bool supportsOperation(OutDevSupportType eType) const override;
};

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