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 <sal/log.hxx>
#include <utility>
#include <vcl/svapp.hxx>
#include <vcl/bitmapex.hxx>
#include <vcl/gdimtf.hxx>
#include <vcl/settings.hxx>
#include <vcl/virdev.hxx>
#include <vcl/BitmapFilter.hxx>
#include <vcl/ImageTree.hxx>
#include <vcl/skia/SkiaHelper.hxx>
#include <bitmap/BitmapDisabledImageFilter.hxx>
#include <comphelper/lok.hxx>
#include <image.h>
#include <salgdi.hxx>
ImplImage::ImplImage(const BitmapEx &rBitmapEx)
: maBitmapChecksum(0)
, maSizePixel(rBitmapEx.GetSizePixel())
, maBitmapEx(rBitmapEx)
{
}
ImplImage::ImplImage(OUString aStockName)
: maBitmapChecksum(0)
, maStockName(std::move(aStockName))
{
}
ImplImage::ImplImage(const GDIMetaFile& rMetaFile)
: maBitmapChecksum(0)
, maSizePixel(rMetaFile.GetPrefSize())
, mxMetaFile(new GDIMetaFile(rMetaFile))
{
}
bool ImplImage::loadStockAtScale(SalGraphics* pGraphics, BitmapEx &rBitmapEx)
{
BitmapEx aBitmapEx;
ImageLoadFlags eScalingFlags = ImageLoadFlags::NONE;
sal_Int32 nScalePercentage = -1;
double fScale(1.0);
if (pGraphics && pGraphics->ShouldDownscaleIconsAtSurface(&fScale)) // scale at the surface
{
nScalePercentage = fScale * 100.0;
eScalingFlags = ImageLoadFlags::IgnoreScalingFactor;
}
OUString aIconTheme = Application::GetSettings().GetStyleSettings().DetermineIconTheme();
if (!ImageTree::get().loadImage(maStockName, aIconTheme, aBitmapEx, true,
nScalePercentage, eScalingFlags))
{
/* If the uno command has parameters, passed in from a toolbar,
* recover from failure by removing the parameters from the file name
*/
if (maStockName.indexOf("%3f") > 0)
{
sal_Int32 nStart = maStockName.indexOf("%3f");
sal_Int32 nEnd = maStockName.lastIndexOf(".");
OUString aFileName = maStockName.replaceAt(nStart, nEnd - nStart, u"");
if (!ImageTree::get().loadImage(aFileName, aIconTheme, aBitmapEx, true,
nScalePercentage, eScalingFlags))
{
SAL_WARN("vcl", "Failed to load scaled image from " << maStockName <<
" and " << aFileName << " at " << fScale);
return false;
}
}
else
{
SAL_WARN("vcl", "Failed to load scaled image from " << maStockName <<
" at " << fScale);
return false;
}
}
rBitmapEx = aBitmapEx;
return true;
}
Size ImplImage::getSizePixel()
{
Size aRet;
if (!isSizeEmpty())
aRet = maSizePixel;
else if (isStock())
{
if (loadStockAtScale(nullptr, maBitmapEx))
{
assert(maDisabledBitmapEx.IsEmpty());
assert(maBitmapChecksum == 0);
maSizePixel = maBitmapEx.GetSizePixel();
aRet = maSizePixel;
}
else
SAL_WARN("vcl", "Failed to load stock icon " << maStockName);
}
return aRet;
}
/// non-HiDPI compatibility method.
BitmapEx const & ImplImage::getBitmapEx(bool bDisabled)
{
getSizePixel(); // force load, and at unity scale.
if (bDisabled)
{
// Changed since we last generated this.
BitmapChecksum aChecksum = maBitmapEx.GetChecksum();
if (maBitmapChecksum != aChecksum ||
maDisabledBitmapEx.GetSizePixel() != maBitmapEx.GetSizePixel())
{
maDisabledBitmapEx = maBitmapEx;
BitmapFilter::Filter(maDisabledBitmapEx, BitmapDisabledImageFilter());
maBitmapChecksum = aChecksum;
}
return maDisabledBitmapEx;
}
return maBitmapEx;
}
bool ImplImage::isEqual(const ImplImage &ref) const
{
if (isStock() != ref.isStock())
return false;
if (isStock())
return maStockName == ref.maStockName;
else
return maBitmapEx == ref.maBitmapEx;
}
BitmapEx const & ImplImage::getBitmapExForHiDPI(bool bDisabled, SalGraphics* pGraphics)
{
if ((isStock() || mxMetaFile) && pGraphics)
{ // check we have the right bitmap cached.
double fScale = 1.0;
pGraphics->ShouldDownscaleIconsAtSurface(&fScale);
Size aTarget(maSizePixel.Width()*fScale,
maSizePixel.Height()*fScale);
if (maBitmapEx.GetSizePixel() != aTarget)
{
if (isStock())
loadStockAtScale(pGraphics, maBitmapEx);
else // if (mxMetaFile)
{
ScopedVclPtrInstance<VirtualDevice> aVDev(DeviceFormat::WITH_ALPHA);
// Fix white background in font color and font background color
// in the Breeze icons by setting the alpha mask to transparent
bool bAlphaMaskTransparent = true;
#if HAVE_FEATURE_SKIA
if (SkiaHelper::isVCLSkiaEnabled() && SkiaHelper::isAlphaMaskBlendingEnabled())
bAlphaMaskTransparent = false;
#endif
aVDev->SetOutputSizePixel(aTarget, true, bAlphaMaskTransparent);
mxMetaFile->WindStart();
mxMetaFile->Play(*aVDev, Point(), aTarget);
maBitmapEx = aVDev->GetBitmapEx(Point(), aTarget);
}
}
}
return getBitmapEx(bDisabled);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
