author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 02 Feb 2010 00:43:10 +0200 | |
changeset 3 | 41300fa6a67c |
parent 0 | 1918ee327afb |
child 4 | 3b1da2848fc7 |
child 7 | f7bc934e204c |
permissions | -rw-r--r-- |
0 | 1 |
/**************************************************************************** |
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** |
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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** All rights reserved. |
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** Contact: Nokia Corporation (qt-info@nokia.com) |
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** |
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** This file is part of the QtGui module of the Qt Toolkit. |
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** |
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** $QT_BEGIN_LICENSE:LGPL$ |
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** No Commercial Usage |
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** This file contains pre-release code and may not be distributed. |
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** You may use this file in accordance with the terms and conditions |
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** contained in the Technology Preview License Agreement accompanying |
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** this package. |
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** |
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** GNU Lesser General Public License Usage |
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** Alternatively, this file may be used under the terms of the GNU Lesser |
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** General Public License version 2.1 as published by the Free Software |
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** Foundation and appearing in the file LICENSE.LGPL included in the |
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** packaging of this file. Please review the following information to |
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** ensure the GNU Lesser General Public License version 2.1 requirements |
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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** |
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** In addition, as a special exception, Nokia gives you certain additional |
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** rights. These rights are described in the Nokia Qt LGPL Exception |
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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** |
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** If you have questions regarding the use of this file, please contact |
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** Nokia at qt-info@nokia.com. |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** $QT_END_LICENSE$ |
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** |
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****************************************************************************/ |
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#include "qfontengine_p.h" |
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43 |
#include "qtextengine_p.h" |
|
44 |
#include <qglobal.h> |
|
45 |
#include "qt_windows.h" |
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46 |
#include <private/qapplication_p.h> |
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47 |
||
48 |
#include <qlibrary.h> |
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49 |
#include <qpaintdevice.h> |
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#include <qpainter.h> |
|
51 |
#include <limits.h> |
|
52 |
||
53 |
#include <qendian.h> |
|
54 |
#include <qmath.h> |
|
55 |
#include <qthreadstorage.h> |
|
56 |
||
57 |
#include <private/qunicodetables_p.h> |
|
58 |
#include <qbitmap.h> |
|
59 |
||
60 |
#include <private/qpainter_p.h> |
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61 |
#include <private/qpdf_p.h> |
|
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#include "qpaintengine.h" |
|
63 |
#include "qvarlengtharray.h" |
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#include <private/qpaintengine_raster_p.h> |
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65 |
#include <private/qnativeimage_p.h> |
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66 |
||
67 |
#if defined(Q_WS_WINCE) |
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68 |
#include "qguifunctions_wince.h" |
|
69 |
#endif |
|
70 |
||
71 |
//### mingw needed define |
|
72 |
#ifndef TT_PRIM_CSPLINE |
|
73 |
#define TT_PRIM_CSPLINE 3 |
|
74 |
#endif |
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75 |
||
76 |
#ifdef MAKE_TAG |
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77 |
#undef MAKE_TAG |
|
78 |
#endif |
|
79 |
// GetFontData expects the tags in little endian ;( |
|
80 |
#define MAKE_TAG(ch1, ch2, ch3, ch4) (\ |
|
81 |
(((quint32)(ch4)) << 24) | \ |
|
82 |
(((quint32)(ch3)) << 16) | \ |
|
83 |
(((quint32)(ch2)) << 8) | \ |
|
84 |
((quint32)(ch1)) \ |
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85 |
) |
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86 |
||
87 |
// common DC for all fonts |
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88 |
||
89 |
QT_BEGIN_NAMESPACE |
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90 |
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91 |
class QtHDC |
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92 |
{ |
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93 |
HDC _hdc; |
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94 |
public: |
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95 |
QtHDC() |
|
96 |
{ |
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97 |
HDC displayDC = GetDC(0); |
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98 |
_hdc = CreateCompatibleDC(displayDC); |
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ReleaseDC(0, displayDC); |
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100 |
} |
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101 |
~QtHDC() |
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102 |
{ |
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103 |
if (_hdc) |
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DeleteDC(_hdc); |
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105 |
} |
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106 |
HDC hdc() const |
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107 |
{ |
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return _hdc; |
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} |
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}; |
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111 |
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112 |
#ifndef QT_NO_THREAD |
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113 |
Q_GLOBAL_STATIC(QThreadStorage<QtHDC *>, local_shared_dc) |
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114 |
HDC shared_dc() |
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115 |
{ |
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116 |
QtHDC *&hdc = local_shared_dc()->localData(); |
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117 |
if (!hdc) |
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hdc = new QtHDC; |
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119 |
return hdc->hdc(); |
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120 |
} |
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121 |
#else |
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122 |
HDC shared_dc() |
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123 |
{ |
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124 |
return 0; |
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125 |
} |
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126 |
#endif |
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127 |
||
128 |
#ifndef Q_WS_WINCE |
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129 |
typedef BOOL (WINAPI *PtrGetCharWidthI)(HDC, UINT, UINT, LPWORD, LPINT); |
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130 |
static PtrGetCharWidthI ptrGetCharWidthI = 0; |
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131 |
static bool resolvedGetCharWidthI = false; |
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132 |
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133 |
static void resolveGetCharWidthI() |
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134 |
{ |
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135 |
if (resolvedGetCharWidthI) |
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136 |
return; |
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resolvedGetCharWidthI = true; |
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138 |
ptrGetCharWidthI = (PtrGetCharWidthI)QLibrary::resolve(QLatin1String("gdi32"), "GetCharWidthI"); |
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139 |
} |
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140 |
#endif // !defined(Q_WS_WINCE) |
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141 |
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142 |
// defined in qtextengine_win.cpp |
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143 |
typedef void *SCRIPT_CACHE; |
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144 |
typedef HRESULT (WINAPI *fScriptFreeCache)(SCRIPT_CACHE *); |
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145 |
extern fScriptFreeCache ScriptFreeCache; |
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146 |
||
147 |
static inline quint32 getUInt(unsigned char *p) |
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148 |
{ |
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149 |
quint32 val; |
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150 |
val = *p++ << 24; |
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151 |
val |= *p++ << 16; |
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152 |
val |= *p++ << 8; |
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val |= *p; |
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154 |
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155 |
return val; |
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} |
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157 |
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158 |
static inline quint16 getUShort(unsigned char *p) |
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159 |
{ |
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160 |
quint16 val; |
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val = *p++ << 8; |
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val |= *p; |
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163 |
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164 |
return val; |
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165 |
} |
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166 |
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167 |
// general font engine |
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168 |
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169 |
QFixed QFontEngineWin::lineThickness() const |
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170 |
{ |
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171 |
if(lineWidth > 0) |
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return lineWidth; |
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173 |
||
174 |
return QFontEngine::lineThickness(); |
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175 |
} |
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176 |
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177 |
static OUTLINETEXTMETRIC *getOutlineTextMetric(HDC hdc) |
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178 |
{ |
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179 |
int size; |
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180 |
size = GetOutlineTextMetrics(hdc, 0, 0); |
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OUTLINETEXTMETRIC *otm = (OUTLINETEXTMETRIC *)malloc(size); |
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GetOutlineTextMetrics(hdc, size, otm); |
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return otm; |
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} |
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185 |
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186 |
void QFontEngineWin::getCMap() |
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{ |
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188 |
ttf = (bool)(tm.tmPitchAndFamily & TMPF_TRUETYPE); |
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HDC hdc = shared_dc(); |
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SelectObject(hdc, hfont); |
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bool symb = false; |
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192 |
if (ttf) { |
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cmapTable = getSfntTable(qbswap<quint32>(MAKE_TAG('c', 'm', 'a', 'p'))); |
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194 |
int size = 0; |
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cmap = QFontEngine::getCMap(reinterpret_cast<const uchar *>(cmapTable.constData()), |
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196 |
cmapTable.size(), &symb, &size); |
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197 |
} |
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198 |
if (!cmap) { |
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ttf = false; |
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symb = false; |
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} |
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symbol = symb; |
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designToDevice = 1; |
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_faceId.index = 0; |
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if(cmap) { |
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OUTLINETEXTMETRIC *otm = getOutlineTextMetric(hdc); |
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designToDevice = QFixed((int)otm->otmEMSquare)/int(otm->otmTextMetrics.tmHeight); |
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unitsPerEm = otm->otmEMSquare; |
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x_height = (int)otm->otmsXHeight; |
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loadKerningPairs(designToDevice); |
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3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
211 |
_faceId.filename = QString::fromWCharArray((wchar_t *)((char *)otm + (int)otm->otmpFullName)).toLatin1(); |
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lineWidth = otm->otmsUnderscoreSize; |
213 |
fsType = otm->otmfsType; |
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free(otm); |
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} else { |
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unitsPerEm = tm.tmHeight; |
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} |
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} |
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inline unsigned int getChar(const QChar *str, int &i, const int len) |
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{ |
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unsigned int uc = str[i].unicode(); |
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if (uc >= 0xd800 && uc < 0xdc00 && i < len-1) { |
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uint low = str[i+1].unicode(); |
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if (low >= 0xdc00 && low < 0xe000) { |
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uc = (uc - 0xd800)*0x400 + (low - 0xdc00) + 0x10000; |
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++i; |
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} |
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} |
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return uc; |
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} |
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int QFontEngineWin::getGlyphIndexes(const QChar *str, int numChars, QGlyphLayout *glyphs, bool mirrored) const |
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{ |
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int i = 0; |
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int glyph_pos = 0; |
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if (mirrored) { |
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#if defined(Q_WS_WINCE) |
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{ |
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#else |
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if (symbol) { |
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for (; i < numChars; ++i, ++glyph_pos) { |
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unsigned int uc = getChar(str, i, numChars); |
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glyphs->glyphs[glyph_pos] = getTrueTypeGlyphIndex(cmap, uc); |
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if (!glyphs->glyphs[glyph_pos] && uc < 0x100) |
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glyphs->glyphs[glyph_pos] = getTrueTypeGlyphIndex(cmap, uc + 0xf000); |
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} |
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} else if (ttf) { |
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for (; i < numChars; ++i, ++glyph_pos) { |
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unsigned int uc = getChar(str, i, numChars); |
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glyphs->glyphs[glyph_pos] = getTrueTypeGlyphIndex(cmap, QChar::mirroredChar(uc)); |
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} |
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} else { |
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#endif |
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wchar_t first = tm.tmFirstChar; |
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wchar_t last = tm.tmLastChar; |
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259 |
for (; i < numChars; ++i, ++glyph_pos) { |
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uint ucs = QChar::mirroredChar(getChar(str, i, numChars)); |
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if ( |
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#ifdef Q_WS_WINCE |
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tm.tmFirstChar > 60000 || // see line 375 |
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#endif |
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ucs >= first && ucs <= last) |
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glyphs->glyphs[glyph_pos] = ucs; |
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else |
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glyphs->glyphs[glyph_pos] = 0; |
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} |
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} |
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} else { |
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#if defined(Q_WS_WINCE) |
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{ |
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274 |
#else |
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if (symbol) { |
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for (; i < numChars; ++i, ++glyph_pos) { |
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unsigned int uc = getChar(str, i, numChars); |
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glyphs->glyphs[i] = getTrueTypeGlyphIndex(cmap, uc); |
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if(!glyphs->glyphs[glyph_pos] && uc < 0x100) |
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glyphs->glyphs[glyph_pos] = getTrueTypeGlyphIndex(cmap, uc + 0xf000); |
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} |
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} else if (ttf) { |
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for (; i < numChars; ++i, ++glyph_pos) { |
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unsigned int uc = getChar(str, i, numChars); |
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glyphs->glyphs[glyph_pos] = getTrueTypeGlyphIndex(cmap, uc); |
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} |
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} else { |
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#endif |
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wchar_t first = tm.tmFirstChar; |
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wchar_t last = tm.tmLastChar; |
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291 |
||
292 |
for (; i < numChars; ++i, ++glyph_pos) { |
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uint uc = getChar(str, i, numChars); |
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if ( |
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#ifdef Q_WS_WINCE |
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tm.tmFirstChar > 60000 || // see comment in QFontEngineWin |
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#endif |
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uc >= first && uc <= last) |
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glyphs->glyphs[glyph_pos] = uc; |
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else |
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glyphs->glyphs[glyph_pos] = 0; |
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} |
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303 |
} |
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304 |
} |
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305 |
glyphs->numGlyphs = glyph_pos; |
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return glyph_pos; |
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} |
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308 |
||
309 |
||
310 |
QFontEngineWin::QFontEngineWin(const QString &name, HFONT _hfont, bool stockFont, LOGFONT lf) |
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{ |
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312 |
//qDebug("regular windows font engine created: font='%s', size=%d", name, lf.lfHeight); |
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313 |
||
314 |
_name = name; |
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315 |
||
316 |
cmap = 0; |
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317 |
hfont = _hfont; |
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318 |
logfont = lf; |
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319 |
HDC hdc = shared_dc(); |
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320 |
SelectObject(hdc, hfont); |
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321 |
this->stockFont = stockFont; |
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322 |
fontDef.pixelSize = -lf.lfHeight; |
|
323 |
||
324 |
lbearing = SHRT_MIN; |
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325 |
rbearing = SHRT_MIN; |
|
326 |
synthesized_flags = -1; |
|
327 |
lineWidth = -1; |
|
328 |
x_height = -1; |
|
329 |
||
330 |
BOOL res = GetTextMetrics(hdc, &tm); |
|
331 |
fontDef.fixedPitch = !(tm.tmPitchAndFamily & TMPF_FIXED_PITCH); |
|
332 |
if (!res) { |
|
333 |
qErrnoWarning("QFontEngineWin: GetTextMetrics failed"); |
|
334 |
ZeroMemory(&tm, sizeof(TEXTMETRIC)); |
|
335 |
} |
|
336 |
||
337 |
cache_cost = tm.tmHeight * tm.tmAveCharWidth * 2000; |
|
338 |
getCMap(); |
|
339 |
||
340 |
widthCache = 0; |
|
341 |
widthCacheSize = 0; |
|
342 |
designAdvances = 0; |
|
343 |
designAdvancesSize = 0; |
|
344 |
||
345 |
#ifndef Q_WS_WINCE |
|
346 |
if (!resolvedGetCharWidthI) |
|
347 |
resolveGetCharWidthI(); |
|
348 |
#endif |
|
349 |
} |
|
350 |
||
351 |
QFontEngineWin::~QFontEngineWin() |
|
352 |
{ |
|
353 |
if (designAdvances) |
|
354 |
free(designAdvances); |
|
355 |
||
356 |
if (widthCache) |
|
357 |
free(widthCache); |
|
358 |
||
359 |
// make sure we aren't by accident still selected |
|
360 |
SelectObject(shared_dc(), (HFONT)GetStockObject(SYSTEM_FONT)); |
|
361 |
||
362 |
if (!stockFont) { |
|
363 |
if (!DeleteObject(hfont)) |
|
364 |
qErrnoWarning("QFontEngineWin: failed to delete non-stock font..."); |
|
365 |
} |
|
366 |
} |
|
367 |
||
368 |
HGDIOBJ QFontEngineWin::selectDesignFont() const |
|
369 |
{ |
|
370 |
LOGFONT f = logfont; |
|
371 |
f.lfHeight = unitsPerEm; |
|
372 |
HFONT designFont = CreateFontIndirect(&f); |
|
373 |
return SelectObject(shared_dc(), designFont); |
|
374 |
} |
|
375 |
||
376 |
bool QFontEngineWin::stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags) const |
|
377 |
{ |
|
378 |
if (*nglyphs < len) { |
|
379 |
*nglyphs = len; |
|
380 |
return false; |
|
381 |
} |
|
382 |
||
383 |
*nglyphs = getGlyphIndexes(str, len, glyphs, flags & QTextEngine::RightToLeft); |
|
384 |
||
385 |
if (flags & QTextEngine::GlyphIndicesOnly) |
|
386 |
return true; |
|
387 |
||
388 |
recalcAdvances(glyphs, flags); |
|
389 |
return true; |
|
390 |
} |
|
391 |
||
392 |
inline void calculateTTFGlyphWidth(HDC hdc, UINT glyph, int &width) |
|
393 |
{ |
|
394 |
#if defined(Q_WS_WINCE) |
|
395 |
GetCharWidth32(hdc, glyph, glyph, &width); |
|
396 |
#else |
|
397 |
if (ptrGetCharWidthI) |
|
398 |
ptrGetCharWidthI(hdc, glyph, 1, 0, &width); |
|
399 |
#endif |
|
400 |
} |
|
401 |
||
402 |
void QFontEngineWin::recalcAdvances(QGlyphLayout *glyphs, QTextEngine::ShaperFlags flags) const |
|
403 |
{ |
|
404 |
HGDIOBJ oldFont = 0; |
|
405 |
HDC hdc = shared_dc(); |
|
406 |
if (ttf && (flags & QTextEngine::DesignMetrics)) { |
|
407 |
for(int i = 0; i < glyphs->numGlyphs; i++) { |
|
408 |
unsigned int glyph = glyphs->glyphs[i]; |
|
409 |
if(int(glyph) >= designAdvancesSize) { |
|
410 |
int newSize = (glyph + 256) >> 8 << 8; |
|
411 |
designAdvances = q_check_ptr((QFixed *)realloc(designAdvances, |
|
412 |
newSize*sizeof(QFixed))); |
|
413 |
for(int i = designAdvancesSize; i < newSize; ++i) |
|
414 |
designAdvances[i] = -1000000; |
|
415 |
designAdvancesSize = newSize; |
|
416 |
} |
|
417 |
if (designAdvances[glyph] < -999999) { |
|
418 |
if (!oldFont) |
|
419 |
oldFont = selectDesignFont(); |
|
420 |
||
421 |
int width = 0; |
|
422 |
calculateTTFGlyphWidth(hdc, glyph, width); |
|
423 |
designAdvances[glyph] = QFixed(width) / designToDevice; |
|
424 |
} |
|
425 |
glyphs->advances_x[i] = designAdvances[glyph]; |
|
426 |
glyphs->advances_y[i] = 0; |
|
427 |
} |
|
428 |
if(oldFont) |
|
429 |
DeleteObject(SelectObject(hdc, oldFont)); |
|
430 |
} else { |
|
431 |
for(int i = 0; i < glyphs->numGlyphs; i++) { |
|
432 |
unsigned int glyph = glyphs->glyphs[i]; |
|
433 |
||
434 |
glyphs->advances_y[i] = 0; |
|
435 |
||
436 |
if (glyph >= widthCacheSize) { |
|
437 |
int newSize = (glyph + 256) >> 8 << 8; |
|
438 |
widthCache = q_check_ptr((unsigned char *)realloc(widthCache, |
|
439 |
newSize*sizeof(QFixed))); |
|
440 |
memset(widthCache + widthCacheSize, 0, newSize - widthCacheSize); |
|
441 |
widthCacheSize = newSize; |
|
442 |
} |
|
443 |
glyphs->advances_x[i] = widthCache[glyph]; |
|
444 |
// font-width cache failed |
|
445 |
if (glyphs->advances_x[i] == 0) { |
|
446 |
int width = 0; |
|
447 |
if (!oldFont) |
|
448 |
oldFont = SelectObject(hdc, hfont); |
|
449 |
||
450 |
if (!ttf) { |
|
451 |
QChar ch[2] = { ushort(glyph), 0 }; |
|
452 |
int chrLen = 1; |
|
453 |
if (glyph > 0xffff) { |
|
454 |
ch[0] = QChar::highSurrogate(glyph); |
|
455 |
ch[1] = QChar::lowSurrogate(glyph); |
|
456 |
++chrLen; |
|
457 |
} |
|
458 |
SIZE size = {0, 0}; |
|
459 |
GetTextExtentPoint32(hdc, (wchar_t *)ch, chrLen, &size); |
|
460 |
width = size.cx; |
|
461 |
} else { |
|
462 |
calculateTTFGlyphWidth(hdc, glyph, width); |
|
463 |
} |
|
464 |
glyphs->advances_x[i] = width; |
|
465 |
// if glyph's within cache range, store it for later |
|
466 |
if (width > 0 && width < 0x100) |
|
467 |
widthCache[glyph] = width; |
|
468 |
} |
|
469 |
} |
|
470 |
||
471 |
if (oldFont) |
|
472 |
SelectObject(hdc, oldFont); |
|
473 |
} |
|
474 |
} |
|
475 |
||
476 |
glyph_metrics_t QFontEngineWin::boundingBox(const QGlyphLayout &glyphs) |
|
477 |
{ |
|
478 |
if (glyphs.numGlyphs == 0) |
|
479 |
return glyph_metrics_t(); |
|
480 |
||
481 |
QFixed w = 0; |
|
482 |
for (int i = 0; i < glyphs.numGlyphs; ++i) |
|
483 |
w += glyphs.effectiveAdvance(i); |
|
484 |
||
485 |
return glyph_metrics_t(0, -tm.tmAscent, w, tm.tmHeight, w, 0); |
|
486 |
} |
|
487 |
||
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
488 |
#ifndef Q_WS_WINCE |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
489 |
bool QFontEngineWin::getOutlineMetrics(glyph_t glyph, const QTransform &t, glyph_metrics_t *metrics) const |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
490 |
{ |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
491 |
Q_ASSERT(metrics != 0); |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
492 |
|
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
493 |
HDC hdc = shared_dc(); |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
494 |
|
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
495 |
GLYPHMETRICS gm; |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
496 |
DWORD res = 0; |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
497 |
MAT2 mat; |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
498 |
mat.eM11.value = mat.eM22.value = 1; |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
499 |
mat.eM11.fract = mat.eM22.fract = 0; |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
500 |
mat.eM21.value = mat.eM12.value = 0; |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
501 |
mat.eM21.fract = mat.eM12.fract = 0; |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
502 |
|
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
503 |
if (t.type() > QTransform::TxTranslate) { |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
504 |
// We need to set the transform using the HDC's world |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
505 |
// matrix rather than using the MAT2 above, because the |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
506 |
// results provided when transforming via MAT2 does not |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
507 |
// match the glyphs that are drawn using a WorldTransform |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
508 |
XFORM xform; |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
509 |
xform.eM11 = t.m11(); |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
510 |
xform.eM12 = t.m12(); |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
511 |
xform.eM21 = t.m21(); |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
512 |
xform.eM22 = t.m22(); |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
513 |
xform.eDx = 0; |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
514 |
xform.eDy = 0; |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
515 |
SetGraphicsMode(hdc, GM_ADVANCED); |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
516 |
SetWorldTransform(hdc, &xform); |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
517 |
} |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
518 |
|
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
519 |
uint format = GGO_METRICS; |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
520 |
if (ttf) |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
521 |
format |= GGO_GLYPH_INDEX; |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
522 |
res = GetGlyphOutline(hdc, glyph, format, &gm, 0, 0, &mat); |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
523 |
|
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
524 |
if (t.type() > QTransform::TxTranslate) { |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
525 |
XFORM xform; |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
526 |
xform.eM11 = xform.eM22 = 1; |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
527 |
xform.eM12 = xform.eM21 = xform.eDx = xform.eDy = 0; |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
528 |
SetWorldTransform(hdc, &xform); |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
529 |
SetGraphicsMode(hdc, GM_COMPATIBLE); |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
530 |
} |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
531 |
|
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
532 |
if (res != GDI_ERROR) { |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
533 |
*metrics = glyph_metrics_t(gm.gmptGlyphOrigin.x, -gm.gmptGlyphOrigin.y, |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
534 |
(int)gm.gmBlackBoxX, (int)gm.gmBlackBoxY, gm.gmCellIncX, gm.gmCellIncY); |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
535 |
return true; |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
536 |
} else { |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
537 |
return false; |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
538 |
} |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
539 |
} |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
540 |
#endif |
0 | 541 |
|
542 |
glyph_metrics_t QFontEngineWin::boundingBox(glyph_t glyph, const QTransform &t) |
|
543 |
{ |
|
544 |
#ifndef Q_WS_WINCE |
|
545 |
HDC hdc = shared_dc(); |
|
546 |
SelectObject(hdc, hfont); |
|
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
547 |
|
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
548 |
glyph_metrics_t glyphMetrics; |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
549 |
bool success = getOutlineMetrics(glyph, t, &glyphMetrics); |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
550 |
|
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
551 |
if (!ttf && !success) { |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
552 |
// Bitmap fonts |
0 | 553 |
wchar_t ch = glyph; |
554 |
ABCFLOAT abc; |
|
555 |
GetCharABCWidthsFloat(hdc, ch, ch, &abc); |
|
556 |
int width = qRound(abc.abcfB); |
|
557 |
||
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
558 |
return glyph_metrics_t(QFixed::fromReal(abc.abcfA), -tm.tmAscent, width, tm.tmHeight, width, 0).transformed(t); |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
559 |
} |
0 | 560 |
|
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
561 |
return glyphMetrics; |
0 | 562 |
#else |
563 |
HDC hdc = shared_dc(); |
|
564 |
HGDIOBJ oldFont = SelectObject(hdc, hfont); |
|
565 |
||
566 |
ABC abc; |
|
567 |
int width; |
|
568 |
int advance; |
|
569 |
#ifdef GWES_MGTT // true type fonts |
|
570 |
if (GetCharABCWidths(hdc, glyph, glyph, &abc)) { |
|
571 |
width = qAbs(abc.abcA) + abc.abcB + qAbs(abc.abcC); |
|
572 |
advance = abc.abcA + abc.abcB + abc.abcC; |
|
573 |
} |
|
574 |
else |
|
575 |
#endif |
|
576 |
#if defined(GWES_MGRAST) || defined(GWES_MGRAST2) // raster fonts |
|
577 |
if (GetCharWidth32(hdc, glyph, glyph, &width)) { |
|
578 |
advance = width; |
|
579 |
} |
|
580 |
else |
|
581 |
#endif |
|
582 |
{ // fallback |
|
583 |
width = tm.tmMaxCharWidth; |
|
584 |
advance = width; |
|
585 |
} |
|
586 |
||
587 |
SelectObject(hdc, oldFont); |
|
588 |
return glyph_metrics_t(0, -tm.tmAscent, width, tm.tmHeight, advance, 0).transformed(t); |
|
589 |
#endif |
|
590 |
} |
|
591 |
||
592 |
QFixed QFontEngineWin::ascent() const |
|
593 |
{ |
|
594 |
return tm.tmAscent; |
|
595 |
} |
|
596 |
||
597 |
QFixed QFontEngineWin::descent() const |
|
598 |
{ |
|
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
599 |
// ### we substract 1 to even out the historical +1 in QFontMetrics's |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
600 |
// ### height=asc+desc+1 equation. Fix in Qt5. |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
601 |
return tm.tmDescent - 1; |
0 | 602 |
} |
603 |
||
604 |
QFixed QFontEngineWin::leading() const |
|
605 |
{ |
|
606 |
return tm.tmExternalLeading; |
|
607 |
} |
|
608 |
||
609 |
||
610 |
QFixed QFontEngineWin::xHeight() const |
|
611 |
{ |
|
612 |
if(x_height >= 0) |
|
613 |
return x_height; |
|
614 |
return QFontEngine::xHeight(); |
|
615 |
} |
|
616 |
||
617 |
QFixed QFontEngineWin::averageCharWidth() const |
|
618 |
{ |
|
619 |
return tm.tmAveCharWidth; |
|
620 |
} |
|
621 |
||
622 |
qreal QFontEngineWin::maxCharWidth() const |
|
623 |
{ |
|
624 |
return tm.tmMaxCharWidth; |
|
625 |
} |
|
626 |
||
627 |
enum { max_font_count = 256 }; |
|
628 |
static const ushort char_table[] = { |
|
629 |
40, |
|
630 |
67, |
|
631 |
70, |
|
632 |
75, |
|
633 |
86, |
|
634 |
88, |
|
635 |
89, |
|
636 |
91, |
|
637 |
102, |
|
638 |
114, |
|
639 |
124, |
|
640 |
127, |
|
641 |
205, |
|
642 |
645, |
|
643 |
884, |
|
644 |
922, |
|
645 |
1070, |
|
646 |
12386, |
|
647 |
0 |
|
648 |
}; |
|
649 |
||
650 |
static const int char_table_entries = sizeof(char_table)/sizeof(ushort); |
|
651 |
||
652 |
||
653 |
qreal QFontEngineWin::minLeftBearing() const |
|
654 |
{ |
|
655 |
if (lbearing == SHRT_MIN) |
|
656 |
minRightBearing(); // calculates both |
|
657 |
||
658 |
return lbearing; |
|
659 |
} |
|
660 |
||
661 |
qreal QFontEngineWin::minRightBearing() const |
|
662 |
{ |
|
663 |
#ifdef Q_WS_WINCE |
|
664 |
if (rbearing == SHRT_MIN) { |
|
665 |
int ml = 0; |
|
666 |
int mr = 0; |
|
667 |
HDC hdc = shared_dc(); |
|
668 |
SelectObject(hdc, hfont); |
|
669 |
if (ttf) { |
|
670 |
ABC *abc = 0; |
|
671 |
int n = tm.tmLastChar - tm.tmFirstChar; |
|
672 |
if (n <= max_font_count) { |
|
673 |
abc = new ABC[n+1]; |
|
674 |
GetCharABCWidths(hdc, tm.tmFirstChar, tm.tmLastChar, abc); |
|
675 |
} else { |
|
676 |
abc = new ABC[char_table_entries+1]; |
|
677 |
for(int i = 0; i < char_table_entries; i++) |
|
678 |
GetCharABCWidths(hdc, char_table[i], char_table[i], abc+i); |
|
679 |
n = char_table_entries; |
|
680 |
} |
|
681 |
ml = abc[0].abcA; |
|
682 |
mr = abc[0].abcC; |
|
683 |
for (int i = 1; i < n; i++) { |
|
684 |
if (abc[i].abcA + abc[i].abcB + abc[i].abcC != 0) { |
|
685 |
ml = qMin(ml,abc[i].abcA); |
|
686 |
mr = qMin(mr,abc[i].abcC); |
|
687 |
} |
|
688 |
} |
|
689 |
delete [] abc; |
|
690 |
} |
|
691 |
lbearing = ml; |
|
692 |
rbearing = mr; |
|
693 |
} |
|
694 |
||
695 |
return rbearing; |
|
696 |
#else |
|
697 |
if (rbearing == SHRT_MIN) { |
|
698 |
int ml = 0; |
|
699 |
int mr = 0; |
|
700 |
HDC hdc = shared_dc(); |
|
701 |
SelectObject(hdc, hfont); |
|
702 |
if (ttf) { |
|
703 |
ABC *abc = 0; |
|
704 |
int n = tm.tmLastChar - tm.tmFirstChar; |
|
705 |
if (n <= max_font_count) { |
|
706 |
abc = new ABC[n+1]; |
|
707 |
GetCharABCWidths(hdc, tm.tmFirstChar, tm.tmLastChar, abc); |
|
708 |
} else { |
|
709 |
abc = new ABC[char_table_entries+1]; |
|
710 |
for(int i = 0; i < char_table_entries; i++) |
|
711 |
GetCharABCWidths(hdc, char_table[i], char_table[i], abc + i); |
|
712 |
n = char_table_entries; |
|
713 |
} |
|
714 |
ml = abc[0].abcA; |
|
715 |
mr = abc[0].abcC; |
|
716 |
for (int i = 1; i < n; i++) { |
|
717 |
if (abc[i].abcA + abc[i].abcB + abc[i].abcC != 0) { |
|
718 |
ml = qMin(ml,abc[i].abcA); |
|
719 |
mr = qMin(mr,abc[i].abcC); |
|
720 |
} |
|
721 |
} |
|
722 |
delete [] abc; |
|
723 |
} else { |
|
724 |
ABCFLOAT *abc = 0; |
|
725 |
int n = tm.tmLastChar - tm.tmFirstChar+1; |
|
726 |
if (n <= max_font_count) { |
|
727 |
abc = new ABCFLOAT[n]; |
|
728 |
GetCharABCWidthsFloat(hdc, tm.tmFirstChar, tm.tmLastChar, abc); |
|
729 |
} else { |
|
730 |
abc = new ABCFLOAT[char_table_entries]; |
|
731 |
for(int i = 0; i < char_table_entries; i++) |
|
732 |
GetCharABCWidthsFloat(hdc, char_table[i], char_table[i], abc+i); |
|
733 |
n = char_table_entries; |
|
734 |
} |
|
735 |
float fml = abc[0].abcfA; |
|
736 |
float fmr = abc[0].abcfC; |
|
737 |
for (int i=1; i<n; i++) { |
|
738 |
if (abc[i].abcfA + abc[i].abcfB + abc[i].abcfC != 0) { |
|
739 |
fml = qMin(fml,abc[i].abcfA); |
|
740 |
fmr = qMin(fmr,abc[i].abcfC); |
|
741 |
} |
|
742 |
} |
|
743 |
ml = int(fml - 0.9999); |
|
744 |
mr = int(fmr - 0.9999); |
|
745 |
delete [] abc; |
|
746 |
} |
|
747 |
lbearing = ml; |
|
748 |
rbearing = mr; |
|
749 |
} |
|
750 |
||
751 |
return rbearing; |
|
752 |
#endif |
|
753 |
} |
|
754 |
||
755 |
||
756 |
const char *QFontEngineWin::name() const |
|
757 |
{ |
|
758 |
return 0; |
|
759 |
} |
|
760 |
||
761 |
bool QFontEngineWin::canRender(const QChar *string, int len) |
|
762 |
{ |
|
763 |
if (symbol) { |
|
764 |
for (int i = 0; i < len; ++i) { |
|
765 |
unsigned int uc = getChar(string, i, len); |
|
766 |
if (getTrueTypeGlyphIndex(cmap, uc) == 0) { |
|
767 |
if (uc < 0x100) { |
|
768 |
if (getTrueTypeGlyphIndex(cmap, uc + 0xf000) == 0) |
|
769 |
return false; |
|
770 |
} else { |
|
771 |
return false; |
|
772 |
} |
|
773 |
} |
|
774 |
} |
|
775 |
} else if (ttf) { |
|
776 |
for (int i = 0; i < len; ++i) { |
|
777 |
unsigned int uc = getChar(string, i, len); |
|
778 |
if (getTrueTypeGlyphIndex(cmap, uc) == 0) |
|
779 |
return false; |
|
780 |
} |
|
781 |
} else { |
|
782 |
while(len--) { |
|
783 |
if (tm.tmFirstChar > string->unicode() || tm.tmLastChar < string->unicode()) |
|
784 |
return false; |
|
785 |
} |
|
786 |
} |
|
787 |
return true; |
|
788 |
} |
|
789 |
||
790 |
QFontEngine::Type QFontEngineWin::type() const |
|
791 |
{ |
|
792 |
return QFontEngine::Win; |
|
793 |
} |
|
794 |
||
795 |
static inline double qt_fixed_to_double(const FIXED &p) { |
|
796 |
return ((p.value << 16) + p.fract) / 65536.0; |
|
797 |
} |
|
798 |
||
799 |
static inline QPointF qt_to_qpointf(const POINTFX &pt, qreal scale) { |
|
800 |
return QPointF(qt_fixed_to_double(pt.x) * scale, -qt_fixed_to_double(pt.y) * scale); |
|
801 |
} |
|
802 |
||
803 |
#ifndef GGO_UNHINTED |
|
804 |
#define GGO_UNHINTED 0x0100 |
|
805 |
#endif |
|
806 |
||
807 |
static bool addGlyphToPath(glyph_t glyph, const QFixedPoint &position, HDC hdc, |
|
808 |
QPainterPath *path, bool ttf, glyph_metrics_t *metric = 0, qreal scale = 1) |
|
809 |
{ |
|
810 |
#if defined(Q_WS_WINCE) |
|
811 |
Q_UNUSED(glyph); |
|
812 |
Q_UNUSED(hdc); |
|
813 |
#endif |
|
814 |
MAT2 mat; |
|
815 |
mat.eM11.value = mat.eM22.value = 1; |
|
816 |
mat.eM11.fract = mat.eM22.fract = 0; |
|
817 |
mat.eM21.value = mat.eM12.value = 0; |
|
818 |
mat.eM21.fract = mat.eM12.fract = 0; |
|
819 |
uint glyphFormat = GGO_NATIVE; |
|
820 |
||
821 |
if (ttf) |
|
822 |
glyphFormat |= GGO_GLYPH_INDEX; |
|
823 |
||
824 |
GLYPHMETRICS gMetric; |
|
825 |
memset(&gMetric, 0, sizeof(GLYPHMETRICS)); |
|
826 |
int bufferSize = GDI_ERROR; |
|
827 |
#if !defined(Q_WS_WINCE) |
|
828 |
bufferSize = GetGlyphOutline(hdc, glyph, glyphFormat, &gMetric, 0, 0, &mat); |
|
829 |
#endif |
|
830 |
if ((DWORD)bufferSize == GDI_ERROR) { |
|
831 |
return false; |
|
832 |
} |
|
833 |
||
834 |
void *dataBuffer = new char[bufferSize]; |
|
835 |
DWORD ret = GDI_ERROR; |
|
836 |
#if !defined(Q_WS_WINCE) |
|
837 |
ret = GetGlyphOutline(hdc, glyph, glyphFormat, &gMetric, bufferSize, dataBuffer, &mat); |
|
838 |
#endif |
|
839 |
if (ret == GDI_ERROR) { |
|
840 |
delete [](char *)dataBuffer; |
|
841 |
return false; |
|
842 |
} |
|
843 |
||
844 |
if(metric) { |
|
845 |
// #### obey scale |
|
846 |
*metric = glyph_metrics_t(gMetric.gmptGlyphOrigin.x, -gMetric.gmptGlyphOrigin.y, |
|
847 |
(int)gMetric.gmBlackBoxX, (int)gMetric.gmBlackBoxY, |
|
848 |
gMetric.gmCellIncX, gMetric.gmCellIncY); |
|
849 |
} |
|
850 |
||
851 |
int offset = 0; |
|
852 |
int headerOffset = 0; |
|
853 |
TTPOLYGONHEADER *ttph = 0; |
|
854 |
||
855 |
QPointF oset = position.toPointF(); |
|
856 |
while (headerOffset < bufferSize) { |
|
857 |
ttph = (TTPOLYGONHEADER*)((char *)dataBuffer + headerOffset); |
|
858 |
||
859 |
QPointF lastPoint(qt_to_qpointf(ttph->pfxStart, scale)); |
|
860 |
path->moveTo(lastPoint + oset); |
|
861 |
offset += sizeof(TTPOLYGONHEADER); |
|
862 |
TTPOLYCURVE *curve; |
|
863 |
while (offset<int(headerOffset + ttph->cb)) { |
|
864 |
curve = (TTPOLYCURVE*)((char*)(dataBuffer) + offset); |
|
865 |
switch (curve->wType) { |
|
866 |
case TT_PRIM_LINE: { |
|
867 |
for (int i=0; i<curve->cpfx; ++i) { |
|
868 |
QPointF p = qt_to_qpointf(curve->apfx[i], scale) + oset; |
|
869 |
path->lineTo(p); |
|
870 |
} |
|
871 |
break; |
|
872 |
} |
|
873 |
case TT_PRIM_QSPLINE: { |
|
874 |
const QPainterPath::Element &elm = path->elementAt(path->elementCount()-1); |
|
875 |
QPointF prev(elm.x, elm.y); |
|
876 |
QPointF endPoint; |
|
877 |
for (int i=0; i<curve->cpfx - 1; ++i) { |
|
878 |
QPointF p1 = qt_to_qpointf(curve->apfx[i], scale) + oset; |
|
879 |
QPointF p2 = qt_to_qpointf(curve->apfx[i+1], scale) + oset; |
|
880 |
if (i < curve->cpfx - 2) { |
|
881 |
endPoint = QPointF((p1.x() + p2.x()) / 2, (p1.y() + p2.y()) / 2); |
|
882 |
} else { |
|
883 |
endPoint = p2; |
|
884 |
} |
|
885 |
||
886 |
path->quadTo(p1, endPoint); |
|
887 |
prev = endPoint; |
|
888 |
} |
|
889 |
||
890 |
break; |
|
891 |
} |
|
892 |
case TT_PRIM_CSPLINE: { |
|
893 |
for (int i=0; i<curve->cpfx; ) { |
|
894 |
QPointF p2 = qt_to_qpointf(curve->apfx[i++], scale) + oset; |
|
895 |
QPointF p3 = qt_to_qpointf(curve->apfx[i++], scale) + oset; |
|
896 |
QPointF p4 = qt_to_qpointf(curve->apfx[i++], scale) + oset; |
|
897 |
path->cubicTo(p2, p3, p4); |
|
898 |
} |
|
899 |
break; |
|
900 |
} |
|
901 |
default: |
|
902 |
qWarning("QFontEngineWin::addOutlineToPath, unhandled switch case"); |
|
903 |
} |
|
904 |
offset += sizeof(TTPOLYCURVE) + (curve->cpfx-1) * sizeof(POINTFX); |
|
905 |
} |
|
906 |
path->closeSubpath(); |
|
907 |
headerOffset += ttph->cb; |
|
908 |
} |
|
909 |
delete [] (char*)dataBuffer; |
|
910 |
||
911 |
return true; |
|
912 |
} |
|
913 |
||
914 |
void QFontEngineWin::addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int nglyphs, |
|
915 |
QPainterPath *path, QTextItem::RenderFlags) |
|
916 |
{ |
|
917 |
LOGFONT lf = logfont; |
|
918 |
// The sign must be negative here to make sure we match against character height instead of |
|
919 |
// hinted cell height. This ensures that we get linear matching, and we need this for |
|
920 |
// paths since we later on apply a scaling transform to the glyph outline to get the |
|
921 |
// font at the correct pixel size. |
|
922 |
lf.lfHeight = -unitsPerEm; |
|
923 |
lf.lfWidth = 0; |
|
924 |
HFONT hf = CreateFontIndirect(&lf); |
|
925 |
HDC hdc = shared_dc(); |
|
926 |
HGDIOBJ oldfont = SelectObject(hdc, hf); |
|
927 |
||
928 |
for(int i = 0; i < nglyphs; ++i) { |
|
929 |
if (!addGlyphToPath(glyphs[i], positions[i], hdc, path, ttf, /*metric*/0, |
|
930 |
qreal(fontDef.pixelSize) / unitsPerEm)) { |
|
931 |
// Some windows fonts, like "Modern", are vector stroke |
|
932 |
// fonts, which are reported as TMPF_VECTOR but do not |
|
933 |
// support GetGlyphOutline, and thus we set this bit so |
|
934 |
// that addOutLineToPath can check it and return safely... |
|
935 |
hasOutline = false; |
|
936 |
break; |
|
937 |
} |
|
938 |
} |
|
939 |
DeleteObject(SelectObject(hdc, oldfont)); |
|
940 |
} |
|
941 |
||
942 |
void QFontEngineWin::addOutlineToPath(qreal x, qreal y, const QGlyphLayout &glyphs, |
|
943 |
QPainterPath *path, QTextItem::RenderFlags flags) |
|
944 |
{ |
|
945 |
#if !defined(Q_WS_WINCE) |
|
946 |
if(tm.tmPitchAndFamily & (TMPF_TRUETYPE | TMPF_VECTOR)) { |
|
947 |
hasOutline = true; |
|
948 |
QFontEngine::addOutlineToPath(x, y, glyphs, path, flags); |
|
949 |
if (hasOutline) { |
|
950 |
// has_outline is set to false if addGlyphToPath gets |
|
951 |
// false from GetGlyphOutline, meaning its not an outline |
|
952 |
// font. |
|
953 |
return; |
|
954 |
} |
|
955 |
} |
|
956 |
#endif |
|
957 |
QFontEngine::addBitmapFontToPath(x, y, glyphs, path, flags); |
|
958 |
} |
|
959 |
||
960 |
QFontEngine::FaceId QFontEngineWin::faceId() const |
|
961 |
{ |
|
962 |
return _faceId; |
|
963 |
} |
|
964 |
||
965 |
QT_BEGIN_INCLUDE_NAMESPACE |
|
966 |
#include <qdebug.h> |
|
967 |
QT_END_INCLUDE_NAMESPACE |
|
968 |
||
969 |
int QFontEngineWin::synthesized() const |
|
970 |
{ |
|
971 |
if(synthesized_flags == -1) { |
|
972 |
synthesized_flags = 0; |
|
973 |
if(ttf) { |
|
974 |
const DWORD HEAD = MAKE_TAG('h', 'e', 'a', 'd'); |
|
975 |
HDC hdc = shared_dc(); |
|
976 |
SelectObject(hdc, hfont); |
|
977 |
uchar data[4]; |
|
978 |
GetFontData(hdc, HEAD, 44, &data, 4); |
|
979 |
USHORT macStyle = getUShort(data); |
|
980 |
if (tm.tmItalic && !(macStyle & 2)) |
|
981 |
synthesized_flags = SynthesizedItalic; |
|
982 |
if (fontDef.stretch != 100 && ttf) |
|
983 |
synthesized_flags |= SynthesizedStretch; |
|
984 |
if (tm.tmWeight >= 500 && !(macStyle & 1)) |
|
985 |
synthesized_flags |= SynthesizedBold; |
|
986 |
//qDebug() << "font is" << _name << |
|
987 |
// "it=" << (macStyle & 2) << fontDef.style << "flags=" << synthesized_flags; |
|
988 |
} |
|
989 |
} |
|
990 |
return synthesized_flags; |
|
991 |
} |
|
992 |
||
993 |
QFixed QFontEngineWin::emSquareSize() const |
|
994 |
{ |
|
995 |
return unitsPerEm; |
|
996 |
} |
|
997 |
||
998 |
QFontEngine::Properties QFontEngineWin::properties() const |
|
999 |
{ |
|
1000 |
LOGFONT lf = logfont; |
|
1001 |
lf.lfHeight = unitsPerEm; |
|
1002 |
HFONT hf = CreateFontIndirect(&lf); |
|
1003 |
HDC hdc = shared_dc(); |
|
1004 |
HGDIOBJ oldfont = SelectObject(hdc, hf); |
|
1005 |
OUTLINETEXTMETRIC *otm = getOutlineTextMetric(hdc); |
|
1006 |
Properties p; |
|
1007 |
p.emSquare = unitsPerEm; |
|
1008 |
p.italicAngle = otm->otmItalicAngle; |
|
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1009 |
p.postscriptName = QString::fromWCharArray((wchar_t *)((char *)otm + (int)otm->otmpFamilyName)).toLatin1(); |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1010 |
p.postscriptName += QString::fromWCharArray((wchar_t *)((char *)otm + (int)otm->otmpStyleName)).toLatin1(); |
0 | 1011 |
#ifndef QT_NO_PRINTER |
1012 |
p.postscriptName = QPdf::stripSpecialCharacters(p.postscriptName); |
|
1013 |
#endif |
|
1014 |
p.boundingBox = QRectF(otm->otmrcFontBox.left, -otm->otmrcFontBox.top, |
|
1015 |
otm->otmrcFontBox.right - otm->otmrcFontBox.left, |
|
1016 |
otm->otmrcFontBox.top - otm->otmrcFontBox.bottom); |
|
1017 |
p.ascent = otm->otmAscent; |
|
1018 |
p.descent = -otm->otmDescent; |
|
1019 |
p.leading = (int)otm->otmLineGap; |
|
1020 |
p.capHeight = 0; |
|
1021 |
p.lineWidth = otm->otmsUnderscoreSize; |
|
1022 |
free(otm); |
|
1023 |
DeleteObject(SelectObject(hdc, oldfont)); |
|
1024 |
return p; |
|
1025 |
} |
|
1026 |
||
1027 |
void QFontEngineWin::getUnscaledGlyph(glyph_t glyph, QPainterPath *path, glyph_metrics_t *metrics) |
|
1028 |
{ |
|
1029 |
LOGFONT lf = logfont; |
|
1030 |
lf.lfHeight = unitsPerEm; |
|
1031 |
int flags = synthesized(); |
|
1032 |
if(flags & SynthesizedItalic) |
|
1033 |
lf.lfItalic = false; |
|
1034 |
lf.lfWidth = 0; |
|
1035 |
HFONT hf = CreateFontIndirect(&lf); |
|
1036 |
HDC hdc = shared_dc(); |
|
1037 |
HGDIOBJ oldfont = SelectObject(hdc, hf); |
|
1038 |
QFixedPoint p; |
|
1039 |
p.x = 0; |
|
1040 |
p.y = 0; |
|
1041 |
addGlyphToPath(glyph, p, hdc, path, ttf, metrics); |
|
1042 |
DeleteObject(SelectObject(hdc, oldfont)); |
|
1043 |
} |
|
1044 |
||
1045 |
bool QFontEngineWin::getSfntTableData(uint tag, uchar *buffer, uint *length) const |
|
1046 |
{ |
|
1047 |
if (!ttf) |
|
1048 |
return false; |
|
1049 |
HDC hdc = shared_dc(); |
|
1050 |
SelectObject(hdc, hfont); |
|
1051 |
DWORD t = qbswap<quint32>(tag); |
|
1052 |
*length = GetFontData(hdc, t, 0, buffer, *length); |
|
1053 |
return *length != GDI_ERROR; |
|
1054 |
} |
|
1055 |
||
1056 |
#if !defined(CLEARTYPE_QUALITY) |
|
1057 |
# define CLEARTYPE_QUALITY 5 |
|
1058 |
#endif |
|
1059 |
||
1060 |
extern bool qt_cleartype_enabled; |
|
1061 |
||
1062 |
QNativeImage *QFontEngineWin::drawGDIGlyph(HFONT font, glyph_t glyph, int margin, |
|
1063 |
const QTransform &t, QImage::Format mask_format) |
|
1064 |
{ |
|
1065 |
Q_UNUSED(mask_format) |
|
1066 |
glyph_metrics_t gm = boundingBox(glyph); |
|
1067 |
||
1068 |
// printf(" -> for glyph %4x\n", glyph); |
|
1069 |
||
1070 |
int gx = gm.x.toInt(); |
|
1071 |
int gy = gm.y.toInt(); |
|
1072 |
int iw = gm.width.toInt(); |
|
1073 |
int ih = gm.height.toInt(); |
|
1074 |
||
1075 |
if (iw <= 0 || iw <= 0) |
|
1076 |
return 0; |
|
1077 |
||
1078 |
bool has_transformation = t.type() > QTransform::TxTranslate; |
|
1079 |
||
1080 |
#ifndef Q_WS_WINCE |
|
1081 |
unsigned int options = ttf ? ETO_GLYPH_INDEX : 0; |
|
1082 |
XFORM xform; |
|
1083 |
||
1084 |
if (has_transformation) { |
|
1085 |
xform.eM11 = t.m11(); |
|
1086 |
xform.eM12 = t.m12(); |
|
1087 |
xform.eM21 = t.m21(); |
|
1088 |
xform.eM22 = t.m22(); |
|
1089 |
xform.eDx = margin; |
|
1090 |
xform.eDy = margin; |
|
1091 |
||
1092 |
QtHDC qthdc; |
|
1093 |
HDC hdc = qthdc.hdc(); |
|
1094 |
||
1095 |
SetGraphicsMode(hdc, GM_ADVANCED); |
|
1096 |
SetWorldTransform(hdc, &xform); |
|
1097 |
HGDIOBJ old_font = SelectObject(hdc, font); |
|
1098 |
||
1099 |
int ggo_options = GGO_METRICS | (ttf ? GGO_GLYPH_INDEX : 0); |
|
1100 |
GLYPHMETRICS tgm; |
|
1101 |
MAT2 mat; |
|
1102 |
memset(&mat, 0, sizeof(mat)); |
|
1103 |
mat.eM11.value = mat.eM22.value = 1; |
|
1104 |
||
1105 |
if (GetGlyphOutline(hdc, glyph, ggo_options, &tgm, 0, 0, &mat) == GDI_ERROR) { |
|
1106 |
qWarning("QWinFontEngine: unable to query transformed glyph metrics..."); |
|
1107 |
return 0; |
|
1108 |
} |
|
1109 |
||
1110 |
iw = tgm.gmBlackBoxX; |
|
1111 |
ih = tgm.gmBlackBoxY; |
|
1112 |
||
1113 |
xform.eDx -= tgm.gmptGlyphOrigin.x; |
|
1114 |
xform.eDy += tgm.gmptGlyphOrigin.y; |
|
1115 |
||
1116 |
SetGraphicsMode(hdc, GM_COMPATIBLE); |
|
1117 |
SelectObject(hdc, old_font); |
|
1118 |
} |
|
1119 |
#else // else winc |
|
1120 |
unsigned int options = 0; |
|
1121 |
#ifdef DEBUG |
|
1122 |
Q_ASSERT(!has_transformation); |
|
1123 |
#else |
|
1124 |
Q_UNUSED(has_transformation); |
|
1125 |
#endif |
|
1126 |
#endif |
|
1127 |
||
1128 |
QNativeImage *ni = new QNativeImage(iw + 2 * margin + 4, |
|
1129 |
ih + 2 * margin + 4, |
|
1130 |
QNativeImage::systemFormat(), !qt_cleartype_enabled); |
|
1131 |
||
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1132 |
/*If cleartype is enabled we use the standard system format even on Windows CE |
0 | 1133 |
and not the special textbuffer format we have to use if cleartype is disabled*/ |
1134 |
||
1135 |
ni->image.fill(0xffffffff); |
|
1136 |
||
1137 |
HDC hdc = ni->hdc; |
|
1138 |
||
1139 |
SelectObject(hdc, GetStockObject(NULL_BRUSH)); |
|
1140 |
SelectObject(hdc, GetStockObject(BLACK_PEN)); |
|
1141 |
SetTextColor(hdc, RGB(0,0,0)); |
|
1142 |
SetBkMode(hdc, TRANSPARENT); |
|
1143 |
SetTextAlign(hdc, TA_BASELINE); |
|
1144 |
||
1145 |
HGDIOBJ old_font = SelectObject(hdc, font); |
|
1146 |
||
1147 |
#ifndef Q_OS_WINCE |
|
1148 |
if (has_transformation) { |
|
1149 |
SetGraphicsMode(hdc, GM_ADVANCED); |
|
1150 |
SetWorldTransform(hdc, &xform); |
|
1151 |
ExtTextOut(hdc, 0, 0, options, 0, (LPCWSTR) &glyph, 1, 0); |
|
1152 |
} else |
|
1153 |
#endif |
|
1154 |
{ |
|
1155 |
ExtTextOut(hdc, -gx + margin, -gy + margin, options, 0, (LPCWSTR) &glyph, 1, 0); |
|
1156 |
} |
|
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
1157 |
|
0 | 1158 |
SelectObject(hdc, old_font); |
1159 |
return ni; |
|
1160 |
} |
|
1161 |
||
1162 |
||
1163 |
extern uint qt_pow_gamma[256]; |
|
1164 |
||
1165 |
QImage QFontEngineWin::alphaMapForGlyph(glyph_t glyph, const QTransform &xform) |
|
1166 |
{ |
|
1167 |
HFONT font = hfont; |
|
1168 |
if (qt_cleartype_enabled) { |
|
1169 |
LOGFONT lf = logfont; |
|
1170 |
lf.lfQuality = ANTIALIASED_QUALITY; |
|
1171 |
font = CreateFontIndirect(&lf); |
|
1172 |
} |
|
1173 |
QImage::Format mask_format = QNativeImage::systemFormat(); |
|
1174 |
#ifndef Q_OS_WINCE |
|
1175 |
mask_format = QImage::Format_RGB32; |
|
1176 |
#endif |
|
1177 |
||
1178 |
QNativeImage *mask = drawGDIGlyph(font, glyph, 0, xform, mask_format); |
|
1179 |
if (mask == 0) |
|
1180 |
return QImage(); |
|
1181 |
||
1182 |
QImage indexed(mask->width(), mask->height(), QImage::Format_Indexed8); |
|
1183 |
||
1184 |
// ### This part is kinda pointless, but we'll crash later if we dont because some |
|
1185 |
// code paths expects there to be colortables for index8-bit... |
|
1186 |
QVector<QRgb> colors(256); |
|
1187 |
for (int i=0; i<256; ++i) |
|
1188 |
colors[i] = qRgba(0, 0, 0, i); |
|
1189 |
indexed.setColorTable(colors); |
|
1190 |
||
1191 |
// Copy data... Cannot use QPainter here as GDI has messed up the |
|
1192 |
// Alpha channel of the ni.image pixels... |
|
1193 |
for (int y=0; y<mask->height(); ++y) { |
|
1194 |
uchar *dest = indexed.scanLine(y); |
|
1195 |
if (mask->image.format() == QImage::Format_RGB16) { |
|
1196 |
const qint16 *src = (qint16 *) ((const QImage &) mask->image).scanLine(y); |
|
1197 |
for (int x=0; x<mask->width(); ++x) |
|
1198 |
dest[x] = 255 - qGray(src[x]); |
|
1199 |
} else { |
|
1200 |
const uint *src = (uint *) ((const QImage &) mask->image).scanLine(y); |
|
1201 |
for (int x=0; x<mask->width(); ++x) { |
|
1202 |
#ifdef Q_OS_WINCE |
|
1203 |
dest[x] = 255 - qGray(src[x]); |
|
1204 |
#else |
|
1205 |
if (QNativeImage::systemFormat() == QImage::Format_RGB16) |
|
1206 |
dest[x] = 255 - qGray(src[x]); |
|
1207 |
else |
|
1208 |
dest[x] = 255 - (qt_pow_gamma[qGray(src[x])] * 255. / 2047.); |
|
1209 |
#endif |
|
1210 |
} |
|
1211 |
} |
|
1212 |
} |
|
1213 |
||
1214 |
// Cleanup... |
|
1215 |
delete mask; |
|
1216 |
if (qt_cleartype_enabled) { |
|
1217 |
DeleteObject(font); |
|
1218 |
} |
|
1219 |
||
1220 |
return indexed; |
|
1221 |
} |
|
1222 |
||
1223 |
#define SPI_GETFONTSMOOTHINGCONTRAST 0x200C |
|
1224 |
#define SPI_SETFONTSMOOTHINGCONTRAST 0x200D |
|
1225 |
||
1226 |
QImage QFontEngineWin::alphaRGBMapForGlyph(glyph_t glyph, int margin, const QTransform &t) |
|
1227 |
{ |
|
1228 |
HFONT font = hfont; |
|
1229 |
||
1230 |
int contrast; |
|
1231 |
SystemParametersInfo(SPI_GETFONTSMOOTHINGCONTRAST, 0, &contrast, 0); |
|
1232 |
SystemParametersInfo(SPI_SETFONTSMOOTHINGCONTRAST, 0, (void *) 1000, 0); |
|
1233 |
||
1234 |
QNativeImage *mask = drawGDIGlyph(font, glyph, margin, t, QImage::Format_RGB32); |
|
1235 |
SystemParametersInfo(SPI_SETFONTSMOOTHINGCONTRAST, 0, (void *) contrast, 0); |
|
1236 |
||
1237 |
if (mask == 0) |
|
1238 |
return QImage(); |
|
1239 |
||
1240 |
// Gracefully handle the odd case when the display is 16-bit |
|
1241 |
const QImage source = mask->image.depth() == 32 |
|
1242 |
? mask->image |
|
1243 |
: mask->image.convertToFormat(QImage::Format_RGB32); |
|
1244 |
||
1245 |
QImage rgbMask(mask->width(), mask->height(), QImage::Format_RGB32); |
|
1246 |
for (int y=0; y<mask->height(); ++y) { |
|
1247 |
uint *dest = (uint *) rgbMask.scanLine(y); |
|
1248 |
const uint *src = (uint *) source.scanLine(y); |
|
1249 |
for (int x=0; x<mask->width(); ++x) { |
|
1250 |
dest[x] = 0xffffffff - (0x00ffffff & src[x]); |
|
1251 |
} |
|
1252 |
} |
|
1253 |
||
1254 |
delete mask; |
|
1255 |
||
1256 |
return rgbMask; |
|
1257 |
} |
|
1258 |
||
1259 |
// -------------------------------------- Multi font engine |
|
1260 |
||
1261 |
QFontEngineMultiWin::QFontEngineMultiWin(QFontEngineWin *first, const QStringList &fallbacks) |
|
1262 |
: QFontEngineMulti(fallbacks.size()+1), |
|
1263 |
fallbacks(fallbacks) |
|
1264 |
{ |
|
1265 |
engines[0] = first; |
|
1266 |
first->ref.ref(); |
|
1267 |
fontDef = engines[0]->fontDef; |
|
1268 |
} |
|
1269 |
||
1270 |
void QFontEngineMultiWin::loadEngine(int at) |
|
1271 |
{ |
|
1272 |
Q_ASSERT(at < engines.size()); |
|
1273 |
Q_ASSERT(engines.at(at) == 0); |
|
1274 |
||
1275 |
QString fam = fallbacks.at(at-1); |
|
1276 |
||
1277 |
LOGFONT lf = static_cast<QFontEngineWin *>(engines.at(0))->logfont; |
|
1278 |
memcpy(lf.lfFaceName, fam.utf16(), sizeof(wchar_t) * qMin(fam.length() + 1, 32)); // 32 = Windows hard-coded |
|
1279 |
HFONT hfont = CreateFontIndirect(&lf); |
|
1280 |
||
1281 |
bool stockFont = false; |
|
1282 |
if (hfont == 0) { |
|
1283 |
hfont = (HFONT)GetStockObject(ANSI_VAR_FONT); |
|
1284 |
stockFont = true; |
|
1285 |
} |
|
1286 |
engines[at] = new QFontEngineWin(fam, hfont, stockFont, lf); |
|
1287 |
engines[at]->ref.ref(); |
|
1288 |
engines[at]->fontDef = fontDef; |
|
1289 |
} |
|
1290 |
||
1291 |
QT_END_NAMESPACE |