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
|
/* -*- 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 .
*/
#ifndef INCLUDED_VCL_INC_HEADLESS_SVPGDI_HXX
#define INCLUDED_VCL_INC_HEADLESS_SVPGDI_HXX
#ifdef IOS
#error This file is not for iOS
#endif
#include <config_features.h>
#include <osl/endian.h>
#include <vcl/sysdata.hxx>
#include <config_cairo_canvas.h>
#include <salgdi.hxx>
#include <sallayout.hxx>
#include "svpcairotextrender.hxx"
#include <impfontmetricdata.hxx>
#include <cairo.h>
//Using formats that match cairo's formats. For android we patch cairo,
//which is internal in that case, to swap the rgb components so that
//cairo then matches the OpenGL GL_RGBA format so we can use it there
//where we don't have GL_BGRA support.
// SVP_24BIT_FORMAT is used to store 24-bit images in 3-byte pixels to conserve memory.
#if defined(ANDROID) && !HAVE_FEATURE_ANDROID_LOK
# define SVP_24BIT_FORMAT (ScanlineFormat::N24BitTcRgb | ScanlineFormat::TopDown)
# define SVP_CAIRO_FORMAT (ScanlineFormat::N32BitTcRgba | ScanlineFormat::TopDown)
# define SVP_CAIRO_BLUE 1
# define SVP_CAIRO_GREEN 2
# define SVP_CAIRO_RED 0
# define SVP_CAIRO_ALPHA 3
#elif defined OSL_BIGENDIAN
# define SVP_24BIT_FORMAT (ScanlineFormat::N24BitTcRgb | ScanlineFormat::TopDown)
# define SVP_CAIRO_FORMAT (ScanlineFormat::N32BitTcArgb | ScanlineFormat::TopDown)
# define SVP_CAIRO_BLUE 3
# define SVP_CAIRO_GREEN 2
# define SVP_CAIRO_RED 1
# define SVP_CAIRO_ALPHA 0
#else
# define SVP_24BIT_FORMAT (ScanlineFormat::N24BitTcBgr | ScanlineFormat::TopDown)
# define SVP_CAIRO_FORMAT (ScanlineFormat::N32BitTcBgra | ScanlineFormat::TopDown)
# define SVP_CAIRO_BLUE 0
# define SVP_CAIRO_GREEN 1
# define SVP_CAIRO_RED 2
# define SVP_CAIRO_ALPHA 3
#endif
struct BitmapBuffer;
class FreetypeFont;
typedef struct _cairo cairo_t;
typedef struct _cairo_surface cairo_surface_t;
typedef struct _cairo_user_data_key cairo_user_data_key_t;
VCL_DLLPUBLIC void dl_cairo_surface_set_device_scale(cairo_surface_t *surface, double x_scale, double y_scale);
VCL_DLLPUBLIC void dl_cairo_surface_get_device_scale(cairo_surface_t *surface, double *x_scale, double *y_scale);
enum class PaintMode { Over, Xor };
typedef void (*damageHandler)(void* handle,
sal_Int32 nExtentsX, sal_Int32 nExtentsY,
sal_Int32 nExtentsWidth, sal_Int32 nExtentsHeight);
struct VCL_DLLPUBLIC DamageHandler
{
void *handle;
damageHandler damaged;
};
class VCL_DLLPUBLIC SvpSalGraphics : public SalGraphics
{
cairo_surface_t* m_pSurface;
basegfx::B2IVector m_aFrameSize;
double m_fScale;
Color m_aLineColor;
Color m_aFillColor;
PaintMode m_ePaintMode;
public:
void setSurface(cairo_surface_t* pSurface, const basegfx::B2IVector& rSize);
cairo_surface_t* getSurface() const { return m_pSurface; }
static cairo_user_data_key_t* getDamageKey();
static void clipRegion(cairo_t* cr, const vcl::Region& rClipRegion);
// need this static version of ::drawPolyLine for usage from
// vcl/unx/generic/gdi/salgdi.cxx. It gets wrapped by
// ::drawPolyLine with some added parameters (see there)
static bool drawPolyLine(
cairo_t* cr,
basegfx::B2DRange* pExtents,
const Color& rLineColor,
bool bAntiAlias,
const basegfx::B2DHomMatrix& rObjectToDevice,
const basegfx::B2DPolygon& rPolyLine,
double fTransparency,
double fLineWidth,
const std::vector< double >* pStroke, // MM01
basegfx::B2DLineJoin eLineJoin,
css::drawing::LineCap eLineCap,
double fMiterMinimumAngle,
bool bPixelSnapHairline);
void copySource(const SalTwoRect& rTR, cairo_surface_t* source);
void copyWithOperator(const SalTwoRect& rTR, cairo_surface_t* source,
cairo_operator_t eOp = CAIRO_OPERATOR_SOURCE);
private:
void invert(const basegfx::B2DPolygon &rPoly, SalInvert nFlags);
void applyColor(cairo_t *cr, Color rColor, double fTransparency = 0.0);
protected:
vcl::Region m_aClipRegion;
SvpCairoTextRender m_aTextRenderImpl;
protected:
virtual bool blendBitmap( const SalTwoRect&, const SalBitmap& rBitmap ) override;
virtual bool blendAlphaBitmap( const SalTwoRect&,
const SalBitmap& rSrcBitmap,
const SalBitmap& rMaskBitmap,
const SalBitmap& rAlphaBitmap ) override;
virtual bool drawAlphaBitmap( const SalTwoRect&, const SalBitmap& rSourceBitmap, const SalBitmap& rAlphaBitmap ) override;
virtual bool drawTransformedBitmap(
const basegfx::B2DPoint& rNull,
const basegfx::B2DPoint& rX,
const basegfx::B2DPoint& rY,
const SalBitmap& rSourceBitmap,
const SalBitmap* pAlphaBitmap) override;
virtual bool drawAlphaRect( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight, sal_uInt8 nTransparency ) override;
cairo_t* createTmpCompatibleCairoContext() const;
public:
SvpSalGraphics();
virtual ~SvpSalGraphics() override;
virtual SalGraphicsImpl* GetImpl() const override { return nullptr; };
virtual void GetResolution( sal_Int32& rDPIX, sal_Int32& rDPIY ) override;
virtual sal_uInt16 GetBitCount() const override;
virtual tools::Long GetGraphicsWidth() const override;
virtual void ResetClipRegion() override;
virtual bool setClipRegion( const vcl::Region& ) override;
virtual void SetLineColor() override;
virtual void SetLineColor( Color nColor ) override;
virtual void SetFillColor() override;
virtual void SetFillColor( Color nColor ) override;
virtual void SetXORMode( bool bSet, bool ) override;
virtual void SetROPLineColor( SalROPColor nROPColor ) override;
virtual void SetROPFillColor( SalROPColor nROPColor ) override;
virtual void SetTextColor( Color nColor ) override;
virtual void SetFont(LogicalFontInstance*, int nFallbackLevel) override;
virtual void GetFontMetric( ImplFontMetricDataRef&, int nFallbackLevel ) override;
virtual FontCharMapRef GetFontCharMap() const override;
virtual bool GetFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const override;
virtual void GetDevFontList( PhysicalFontCollection* ) override;
virtual void ClearDevFontCache() override;
virtual bool AddTempDevFont( PhysicalFontCollection*, const OUString& rFileURL, const OUString& rFontName ) override;
virtual bool CreateFontSubset( const OUString& rToFile,
const PhysicalFontFace*,
const sal_GlyphId* pGlyphIds,
const sal_uInt8* pEncoding,
sal_Int32* pWidths,
int nGlyphs,
FontSubsetInfo& rInfo
) override;
virtual const void* GetEmbedFontData(const PhysicalFontFace*, tools::Long* pDataLen) override;
virtual void FreeEmbedFontData( const void* pData, tools::Long nDataLen ) override;
virtual void GetGlyphWidths( const PhysicalFontFace*,
bool bVertical,
std::vector< sal_Int32 >& rWidths,
Ucs2UIntMap& rUnicodeEnc ) override;
virtual std::unique_ptr<GenericSalLayout>
GetTextLayout(int nFallbackLevel) override;
virtual void DrawTextLayout( const GenericSalLayout& ) override;
virtual bool supportsOperation( OutDevSupportType ) const override;
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 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 void drawPolyLine( sal_uInt32 nPoints, const SalPoint* pPtAry ) override;
virtual void drawPolygon( sal_uInt32 nPoints, const SalPoint* pPtAry ) override;
virtual void drawPolyPolygon( sal_uInt32 nPoly,
const sal_uInt32* pPoints,
PCONSTSALPOINT* pPtAry ) override;
virtual bool drawPolyLineBezier( sal_uInt32 nPoints,
const SalPoint* pPtAry,
const PolyFlags* pFlgAry ) override;
virtual bool drawPolygonBezier( sal_uInt32 nPoints,
const SalPoint* pPtAry,
const PolyFlags* pFlgAry ) override;
virtual bool drawPolyPolygonBezier( sal_uInt32 nPoly,
const sal_uInt32* pPoints,
const SalPoint* const* pPtAry,
const PolyFlags* const* pFlgAry ) override;
virtual bool drawGradient(tools::PolyPolygon const & rPolyPolygon, Gradient const & rGradient) override;
virtual bool implDrawGradient(basegfx::B2DPolyPolygon const & rPolyPolygon, SalGradient const & rGradient) override;
virtual void copyArea( tools::Long nDestX,
tools::Long nDestY,
tools::Long nSrcX,
tools::Long nSrcY,
tools::Long nSrcWidth,
tools::Long nSrcHeight,
bool bWindowInvalidate) override;
virtual void copyBits( const SalTwoRect& rPosAry,
SalGraphics* pSrcGraphics ) override;
virtual void drawBitmap( const SalTwoRect& rPosAry,
const SalBitmap& rSalBitmap ) override;
void drawBitmap( const SalTwoRect& rPosAry,
const BitmapBuffer* pBuffer,
cairo_operator_t eOp );
virtual void drawBitmap( const SalTwoRect& rPosAry,
const SalBitmap& rSalBitmap,
const SalBitmap& rTransparentBitmap ) 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;
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 SalPoint* 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;
virtual SystemGraphicsData GetGraphicsData() const override;
virtual OUString getRenderBackendName() const override { return "svp"; }
#if ENABLE_CAIRO_CANVAS
virtual bool SupportsCairo() const override;
virtual cairo::SurfaceSharedPtr CreateSurface(const cairo::CairoSurfaceSharedPtr& rSurface) const override;
virtual cairo::SurfaceSharedPtr CreateSurface(const OutputDevice& rRefDevice, int x, int y, int width, int height) const override;
virtual cairo::SurfaceSharedPtr CreateBitmapSurface(const OutputDevice& rRefDevice, const BitmapSystemData& rData, const Size& rSize) const override;
virtual css::uno::Any GetNativeSurfaceHandle(cairo::SurfaceSharedPtr& rSurface, const basegfx::B2ISize& rSize) const override;
#endif // ENABLE_CAIRO_CANVAS
cairo_t* getCairoContext(bool bXorModeAllowed) const;
void releaseCairoContext(cairo_t* cr, bool bXorModeAllowed, const basegfx::B2DRange& rExtents) const;
static cairo_surface_t* createCairoSurface(const BitmapBuffer *pBuffer);
void clipRegion(cairo_t* cr);
};
#endif // INCLUDED_VCL_INC_HEADLESS_SVPGDI_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
