source: trunk/src/openvg/qvg_symbian.cpp

Last change on this file was 846, checked in by Dmitry A. Kuminov, 14 years ago

trunk: Merged in qt 4.7.2 sources from branches/vendor/nokia/qt.
File size: 12.1 KB
RevLine 
[844]1/****************************************************************************
2**
3** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation (qt-info@nokia.com)
6**
7** This file is part of the QtGui module of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:LGPL$
10** Commercial Usage
11** Licensees holding valid Qt Commercial licenses may use this file in
12** accordance with the Qt Commercial License Agreement provided with the
13** Software or, alternatively, in accordance with the terms contained in
14** a written agreement between you and Nokia.
15**
16** GNU Lesser General Public License Usage
17** Alternatively, this file may be used under the terms of the GNU Lesser
18** General Public License version 2.1 as published by the Free Software
19** Foundation and appearing in the file LICENSE.LGPL included in the
20** packaging of this file. Please review the following information to
21** ensure the GNU Lesser General Public License version 2.1 requirements
22** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
23**
24** In addition, as a special exception, Nokia gives you certain additional
25** rights. These rights are described in the Nokia Qt LGPL Exception
26** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you have questions regarding the use of this file, please contact
37** Nokia at qt-info@nokia.com.
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#include "qpixmapdata_vg_p.h"
43#include "qvgfontglyphcache_p.h"
44#include <private/qt_s60_p.h>
45
46#include <fbs.h>
47#include <bitdev.h>
48
49#ifdef QT_SYMBIAN_SUPPORTS_SGIMAGE
50# include <sgresource/sgimage.h>
51# ifdef SYMBIAN_FBSERV_GLYPHDATA // defined in fbs.h
52# define QT_SYMBIAN_HARDWARE_GLYPH_CACHE
53# include <graphics/fbsglyphdataiterator.h>
54# include <private/qfontengine_s60_p.h>
55# endif
56#endif
57
58QT_BEGIN_NAMESPACE
59
60typedef VGImage (*_vgCreateEGLImageTargetKHR)(VGeglImageKHR);
61static _vgCreateEGLImageTargetKHR qt_vgCreateEGLImageTargetKHR = 0;
62
63namespace QVG
64{
65 VGImage vgCreateEGLImageTargetKHR(VGeglImageKHR eglImage);
66}
67
68VGImage QVG::vgCreateEGLImageTargetKHR(VGeglImageKHR eglImage)
69{
70 if (!qt_vgCreateEGLImageTargetKHR && QEgl::hasExtension("EGL_KHR_image"))
71 qt_vgCreateEGLImageTargetKHR = (_vgCreateEGLImageTargetKHR) eglGetProcAddress("vgCreateEGLImageTargetKHR");
72
73 return qt_vgCreateEGLImageTargetKHR ? qt_vgCreateEGLImageTargetKHR(eglImage) : 0;
74}
75
76extern int qt_vg_pixmap_serial;
77
78static CFbsBitmap* createBlitCopy(CFbsBitmap* bitmap)
79{
80 CFbsBitmap *copy = q_check_ptr(new CFbsBitmap);
81 if(!copy)
82 return 0;
83
84 if (copy->Create(bitmap->SizeInPixels(), bitmap->DisplayMode()) != KErrNone) {
85 delete copy;
86 copy = 0;
87
88 return 0;
89 }
90
91 CFbsBitmapDevice* bitmapDevice = 0;
92 CFbsBitGc *bitmapGc = 0;
93 QT_TRAP_THROWING(bitmapDevice = CFbsBitmapDevice::NewL(copy));
94 QT_TRAP_THROWING(bitmapGc = CFbsBitGc::NewL());
95 bitmapGc->Activate(bitmapDevice);
96
97 bitmapGc->BitBlt(TPoint(), bitmap);
98
99 delete bitmapGc;
100 delete bitmapDevice;
101
102 return copy;
103}
104
105#ifdef QT_SYMBIAN_SUPPORTS_SGIMAGE
106static VGImage sgImageToVGImage(QEglContext *context, const RSgImage &sgImage)
107{
108 // when "0" used as argument then
109 // default display, context are used
110 if (!context)
111 context = qt_vg_create_context(0, QInternal::Pixmap);
112
113 VGImage vgImage = VG_INVALID_HANDLE;
114
115 if (sgImage.IsNull())
116 return vgImage;
117
118 const EGLint KEglImageAttribs[] = {EGL_IMAGE_PRESERVED_SYMBIAN, EGL_TRUE, EGL_NONE};
119 EGLImageKHR eglImage = QEgl::eglCreateImageKHR(QEgl::display(),
120 EGL_NO_CONTEXT,
121 EGL_NATIVE_PIXMAP_KHR,
122 (EGLClientBuffer)&sgImage,
123 (EGLint*)KEglImageAttribs);
124
125 if (!eglImage)
126 return vgImage;
127
128 vgImage = QVG::vgCreateEGLImageTargetKHR(eglImage);
129
130 QEgl::eglDestroyImageKHR(QEgl::display(), eglImage);
131 return vgImage;
132}
133#endif
134
135void QVGPixmapData::cleanup()
136{
137 is_null = w = h = 0;
138 recreate = false;
139 source = QImage();
140}
141
142void QVGPixmapData::fromNativeType(void* pixmap, NativeType type)
143{
144 if (type == QPixmapData::SgImage && pixmap) {
145#if defined(QT_SYMBIAN_SUPPORTS_SGIMAGE) && !defined(QT_NO_EGL)
146 RSgImage *sgImage = reinterpret_cast<RSgImage*>(pixmap);
147 destroyImages();
148 prevSize = QSize();
149
150 VGImage vgImage = sgImageToVGImage(context, *sgImage);
151 if (vgImage != VG_INVALID_HANDLE) {
152 w = vgGetParameteri(vgImage, VG_IMAGE_WIDTH);
153 h = vgGetParameteri(vgImage, VG_IMAGE_HEIGHT);
154 d = 32; // We always use ARGB_Premultiplied for VG pixmaps.
155 }
156
157 is_null = (w <= 0 || h <= 0);
158 source = QImage(); // vgGetImageSubData() some day?
159 recreate = false;
160 prevSize = QSize(w, h);
161 //setSerialNumber(++qt_vg_pixmap_serial);
162#endif
163 } else if (type == QPixmapData::FbsBitmap) {
164 CFbsBitmap *bitmap = reinterpret_cast<CFbsBitmap*>(pixmap);
165
166 bool deleteSourceBitmap = false;
167#ifdef Q_SYMBIAN_HAS_EXTENDED_BITMAP_TYPE
168
169 // Rasterize extended bitmaps
170
171 TUid extendedBitmapType = bitmap->ExtendedBitmapType();
172 if (extendedBitmapType != KNullUid) {
173 bitmap = createBlitCopy(bitmap);
174 deleteSourceBitmap = true;
175 }
176#endif
177
178 if (bitmap->IsCompressedInRAM()) {
179 bitmap = createBlitCopy(bitmap);
180 deleteSourceBitmap = true;
181 }
182
183 TDisplayMode displayMode = bitmap->DisplayMode();
184 QImage::Format format = qt_TDisplayMode2Format(displayMode);
185
186 TSize size = bitmap->SizeInPixels();
187 int bytesPerLine = bitmap->ScanLineLength(size.iWidth, displayMode);
188
189 bitmap->BeginDataAccess();
190 uchar *bytes = (uchar*)bitmap->DataAddress();
191 QImage img = QImage(bytes, size.iWidth, size.iHeight, bytesPerLine, format);
192 img = img.copy();
193 bitmap->EndDataAccess();
194
195 if(displayMode == EGray2) {
196 //Symbian thinks set pixels are white/transparent, Qt thinks they are foreground/solid
197 //So invert mono bitmaps so that masks work correctly.
198 img.invertPixels();
199 } else if(displayMode == EColor16M) {
200 img = img.rgbSwapped(); // EColor16M is BGR
201 }
202
203 fromImage(img, Qt::AutoColor);
204
205 if(deleteSourceBitmap)
206 delete bitmap;
207 }
208}
209
210void* QVGPixmapData::toNativeType(NativeType type)
211{
212 if (type == QPixmapData::SgImage) {
213#if defined(QT_SYMBIAN_SUPPORTS_SGIMAGE) && !defined(QT_NO_EGL)
214 toVGImage();
215
216 if (!isValid() || vgImage == VG_INVALID_HANDLE)
217 return 0;
218
219 TInt err = 0;
220
221 RSgDriver driver;
222 err = driver.Open();
223 if (err != KErrNone)
224 return 0;
225
226 TSgImageInfo sgInfo;
227 sgInfo.iPixelFormat = EUidPixelFormatARGB_8888_PRE;
228 sgInfo.iSizeInPixels.SetSize(w, h);
229 sgInfo.iUsage = ESgUsageBitOpenVgImage | ESgUsageBitOpenVgSurface;
230
231 QScopedPointer<RSgImage> sgImage(new RSgImage());
232 err = sgImage->Create(sgInfo, NULL, NULL);
233 if (err != KErrNone) {
234 driver.Close();
235 return 0;
236 }
237
238 const EGLint KEglImageAttribs[] = {EGL_IMAGE_PRESERVED_SYMBIAN, EGL_TRUE, EGL_NONE};
239 EGLImageKHR eglImage = QEgl::eglCreateImageKHR(QEgl::display(),
240 EGL_NO_CONTEXT,
241 EGL_NATIVE_PIXMAP_KHR,
242 (EGLClientBuffer)sgImage.data(),
243 (EGLint*)KEglImageAttribs);
244 if (!eglImage || eglGetError() != EGL_SUCCESS) {
245 sgImage->Close();
246 driver.Close();
247 return 0;
248 }
249
250 VGImage dstVgImage = QVG::vgCreateEGLImageTargetKHR(eglImage);
251 if (!dstVgImage || vgGetError() != VG_NO_ERROR) {
252 QEgl::eglDestroyImageKHR(QEgl::display(), eglImage);
253 sgImage->Close();
254 driver.Close();
255 return 0;
256 }
257
258 vgCopyImage(dstVgImage, 0, 0,
259 vgImage, 0, 0,
260 w, h, VG_FALSE);
261
262 if (vgGetError() != VG_NO_ERROR) {
263 sgImage->Close();
264 sgImage.reset();
265 }
266
267 // release stuff
268 vgDestroyImage(dstVgImage);
269 QEgl::eglDestroyImageKHR(QEgl::display(), eglImage);
270 driver.Close();
271 return reinterpret_cast<void*>(sgImage.take());
272#endif
273 } else if (type == QPixmapData::FbsBitmap) {
274 CFbsBitmap *bitmap = q_check_ptr(new CFbsBitmap);
275
276 if (bitmap) {
277 if (bitmap->Create(TSize(source.width(), source.height()),
278 EColor16MAP) == KErrNone) {
279 const uchar *sptr = const_cast<const QImage&>(source).bits();
280 bitmap->BeginDataAccess();
281
282 uchar *dptr = (uchar*)bitmap->DataAddress();
283 Mem::Copy(dptr, sptr, source.byteCount());
284
285 bitmap->EndDataAccess();
286 } else {
287 delete bitmap;
288 bitmap = 0;
289 }
290 }
291
292 return reinterpret_cast<void*>(bitmap);
293 }
294 return 0;
295}
296
297QSymbianVGFontGlyphCache::QSymbianVGFontGlyphCache() : QVGFontGlyphCache()
298{
299#ifdef QT_SYMBIAN_HARDWARE_GLYPH_CACHE
300 invertedGlyphs = true;
301#endif
302}
303
304void QSymbianVGFontGlyphCache::cacheGlyphs(QVGPaintEnginePrivate *d,
305 QFontEngine *fontEngine,
306 const glyph_t *g, int count)
307{
308#ifdef QT_SYMBIAN_HARDWARE_GLYPH_CACHE
309 QFontEngineS60 *s60fontEngine = static_cast<QFontEngineS60*>(fontEngine);
310 if (s60fontEngine->m_activeFont->TypeUid() != KCFbsFontUid)
311 return QVGFontGlyphCache::cacheGlyphs(d, fontEngine, g, count);
312
313 QVector<glyph_t> uncachedGlyphs;
314 while (count-- > 0) {
315 // Skip this glyph if we have already cached it before.
316 glyph_t glyph = *g++;
317 if (((glyph < 256) && ((cachedGlyphsMask[glyph / 32] & (1 << (glyph % 32))) != 0))
318 || cachedGlyphs.contains(glyph))
319 continue;
320 if (!uncachedGlyphs.contains(glyph))
321 uncachedGlyphs.append(glyph);
322 }
323
324 if (!uncachedGlyphs.isEmpty()) {
325 CFbsFont *cfbsFont = static_cast<CFbsFont *>(s60fontEngine->m_activeFont);
326 RFbsGlyphDataIterator iter;
327
328 int err = iter.Open(*cfbsFont, (const unsigned int*)uncachedGlyphs.constData(), uncachedGlyphs.count());
329
330 if (err == KErrNotSupported || err == KErrInUse) { // Fallback in possibly supported error cases
331 iter.Close();
332 qWarning("Falling back to default QVGFontGlyphCache");
333 return QVGFontGlyphCache::cacheGlyphs(d, fontEngine, g, count);
334 }
335
336 for (; err == KErrNone; err = iter.Next()) {
337 const unsigned int glyph = iter.GlyphCode();
338
339 const RSgImage& image = iter.Image();
340 const TOpenFontCharMetrics& metrics = iter.Metrics();
341
342 TRect glyphBounds;
343 metrics.GetHorizBounds(glyphBounds);
344 VGImage vgImage = sgImageToVGImage(0, image);
345 VGfloat origin[2];
346 VGfloat escapement[2];
347 origin[0] = -glyphBounds.iTl.iX;
348 origin[1] = glyphBounds.iBr.iY;
349 escapement[0] = 0;
350 escapement[1] = 0;
351 vgSetGlyphToImage(font, glyph, vgImage, origin, escapement);
352 vgDestroyImage(vgImage);
353
354 // Add to cache
355 if (glyph < 256)
356 cachedGlyphsMask[glyph / 32] |= (1 << (glyph % 32));
357 else
358 cachedGlyphs.insert(glyph);
359 }
360 iter.Close();
361
362 if (err == KErrNoMemory || err == KErrNoGraphicsMemory)
363 qWarning("Not enough memory to cache glyph");
364 else if (err != KErrNotFound)
365 qWarning("Received error %d from glyph cache", err);
366 }
367#else
368 QVGFontGlyphCache::cacheGlyphs(d, fontEngine, g, count);
369#endif
370}
371
372QT_END_NAMESPACE
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