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
|
/* -*- 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 <canvas/debug.hxx>
#include <canvas/verbosetrace.hxx>
#include <tools/diagnose_ex.h>
#include <rtl/logfile.hxx>
#include <rtl/math.hxx>
#include <canvas/canvastools.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/point/b2dpoint.hxx>
#include <basegfx/tools/canvastools.hxx>
#include <basegfx/numeric/ftools.hxx>
#include <basegfx/polygon/b2dpolypolygontools.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <basegfx/polygon/b2dpolygontriangulator.hxx>
#include <basegfx/polygon/b2dpolygoncutandtouch.hxx>
#include "cairo_canvascustomsprite.hxx"
#include "cairo_spritehelper.hxx"
#include <memory>
using namespace ::cairo;
using namespace ::com::sun::star;
namespace cairocanvas
{
SpriteHelper::SpriteHelper() :
mpSpriteCanvas(),
mpBufferSurface(),
mbTextureDirty(true)
{}
void SpriteHelper::init( const geometry::RealSize2D& rSpriteSize,
const SpriteCanvasRef& rSpriteCanvas )
{
ENSURE_OR_THROW( rSpriteCanvas.get(),
"SpriteHelper::init(): Invalid device, sprite canvas or surface" );
mpSpriteCanvas = rSpriteCanvas;
mbTextureDirty = true;
// also init base class
CanvasCustomSpriteHelper::init( rSpriteSize,
rSpriteCanvas.get() );
}
void SpriteHelper::setSurface( const SurfaceSharedPtr& pBufferSurface )
{
mpBufferSurface = pBufferSurface;
}
void SpriteHelper::disposing()
{
mpBufferSurface.reset();
mpSpriteCanvas.clear();
// forward to parent
CanvasCustomSpriteHelper::disposing();
}
void SpriteHelper::redraw( const CairoSharedPtr& pCairo,
const ::basegfx::B2DPoint& rPos,
bool& /*io_bSurfacesDirty*/,
bool /*bBufferedUpdate*/ ) const
{
#ifdef CAIRO_CANVAS_PERF_TRACE
struct timespec aTimer;
mxDevice->startPerfTrace( &aTimer );
#endif
const double fAlpha( getAlpha() );
const ::basegfx::B2DHomMatrix aTransform( getTransformation() );
if( isActive() && !::basegfx::fTools::equalZero( fAlpha ) )
{
OSL_TRACE ("CanvasCustomSprite::redraw called");
if( pCairo )
{
basegfx::B2DVector aSize = getSizePixel();
cairo_save( pCairo.get() );
double fX, fY;
fX = rPos.getX();
fY = rPos.getY();
if( !aTransform.isIdentity() )
{
cairo_matrix_t aMatrix, aInverseMatrix;
cairo_matrix_init( &aMatrix,
aTransform.get( 0, 0 ), aTransform.get( 1, 0 ), aTransform.get( 0, 1 ),
aTransform.get( 1, 1 ), aTransform.get( 0, 2 ), aTransform.get( 1, 2 ) );
aMatrix.x0 = basegfx::fround( aMatrix.x0 );
aMatrix.y0 = basegfx::fround( aMatrix.y0 );
cairo_matrix_init( &aInverseMatrix, aMatrix.xx, aMatrix.yx, aMatrix.xy, aMatrix.yy, aMatrix.x0, aMatrix.y0 );
cairo_matrix_invert( &aInverseMatrix );
cairo_matrix_transform_distance( &aInverseMatrix, &fX, &fY );
cairo_set_matrix( pCairo.get(), &aMatrix );
}
fX = basegfx::fround( fX );
fY = basegfx::fround( fY );
cairo_matrix_t aOrigMatrix;
cairo_get_matrix( pCairo.get(), &aOrigMatrix );
cairo_translate( pCairo.get(), fX, fY );
if( getClip().is() )
{
const uno::Reference<rendering::XPolyPolygon2D>& rClip( getClip() );
::basegfx::B2DPolyPolygon aClipPoly(
::basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(
rClip ));
doPolyPolygonImplementation( aClipPoly, Clip, pCairo.get(),
NULL, SurfaceProviderRef(mpSpriteCanvas.get()),
rClip->getFillRule() );
}
OSL_TRACE ("aSize %f x %f position: %f,%f", aSize.getX(), aSize.getY(), fX, fY );
cairo_rectangle( pCairo.get(), 0, 0, floor( aSize.getX() ), floor( aSize.getY() ) );
cairo_clip( pCairo.get() );
cairo_set_matrix( pCairo.get(), &aOrigMatrix );
if( isContentFullyOpaque() )
cairo_set_operator( pCairo.get(), CAIRO_OPERATOR_SOURCE );
cairo_set_source_surface( pCairo.get(),
mpBufferSurface->getCairoSurface().get(),
fX, fY );
if( ::rtl::math::approxEqual( fAlpha, 1.0 ) )
cairo_paint( pCairo.get() );
else
cairo_paint_with_alpha( pCairo.get(), fAlpha );
cairo_restore( pCairo.get() );
}
}
#ifdef CAIRO_CANVAS_PERF_TRACE
mxDevice->stopPerfTrace( &aTimer, "sprite redraw" );
#endif
}
::basegfx::B2DPolyPolygon SpriteHelper::polyPolygonFromXPolyPolygon2D( uno::Reference< rendering::XPolyPolygon2D >& xPoly ) const
{
return ::basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(xPoly);
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
