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qimage_p.h
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1// Copyright (C) 2021 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QIMAGE_P_H
5#define QIMAGE_P_H
6
7//
8// W A R N I N G
9// -------------
10//
11// This file is not part of the Qt API. It exists purely as an
12// implementation detail. This header file may change from version to
13// version without notice, or even be removed.
14//
15// We mean it.
16//
17
18#include <QtGui/private/qtguiglobal_p.h>
19#include <QtGui/qcolorspace.h>
20#include <QtGui/qimage.h>
21#include <QtCore/private/qnumeric_p.h>
22#include <QtCore/qlist.h>
23#include <QtCore/qmap.h>
24#include <QtCore/qttypetraits.h>
25
26
27QT_BEGIN_NAMESPACE
28
29class QImageWriter;
30
31struct Q_GUI_EXPORT QImageData { // internal image data
32 QImageData();
33 ~QImageData();
34 static QImageData *create(const QSize &size, QImage::Format format);
35 static QImageData *create(uchar *data, int w, int h, qsizetype bpl, QImage::Format format, bool readOnly, QImageCleanupFunction cleanupFunction = nullptr, void *cleanupInfo = nullptr);
36
37 static QImageData *get(QImage &img) noexcept { return img.d; }
38 static const QImageData *get(const QImage &img) noexcept { return img.d; }
39
40 QAtomicInt ref;
41
42 int width;
43 int height;
44 int depth;
45 qsizetype nbytes; // number of bytes data
46 qreal devicePixelRatio;
47 QList<QRgb> colortable;
48 uchar *data;
49 QImage::Format format;
50 qsizetype bytes_per_line;
51 int ser_no; // serial number
52 int detach_no;
53
54 qreal dpmx; // dots per meter X (or 0)
55 qreal dpmy; // dots per meter Y (or 0)
56 QPoint offset; // offset in pixels
57
58 uint own_data : 1;
59 uint ro_data : 1;
60 uint has_alpha_clut : 1;
61 uint is_cached : 1;
62
63 QImageCleanupFunction cleanupFunction;
64 void* cleanupInfo;
65
66 bool checkForAlphaPixels() const;
67
68 // Convert the image in-place, minimizing memory reallocation
69 // Return false if the conversion cannot be done in-place.
70 bool convertInPlace(QImage::Format newFormat, Qt::ImageConversionFlags);
71
72 QMap<QString, QString> text;
73
74 bool doImageIO(const QImage *image, QImageWriter* io, int quality) const;
75
76 QPaintEngine *paintEngine;
77
78 QColorSpace colorSpace;
79
80 struct ImageSizeParameters {
81 qsizetype bytesPerLine;
82 qsizetype totalSize;
83 bool isValid() const { return bytesPerLine > 0 && totalSize > 0; }
84 };
85 static ImageSizeParameters calculateImageParameters(qsizetype width, qsizetype height, qsizetype depth);
86};
87
88inline QImageData::ImageSizeParameters
89QImageData::calculateImageParameters(qsizetype width, qsizetype height, qsizetype depth)
90{
91 ImageSizeParameters invalid = { -1, -1 };
92 if (height <= 0)
93 return invalid;
94
95 // calculate the size, taking care of overflows
96 qsizetype bytes_per_line;
97 if (qMulOverflow(width, depth, &bytes_per_line))
98 return invalid;
99 if (qAddOverflow(bytes_per_line, qsizetype(31), &bytes_per_line))
100 return invalid;
101 // bytes per scanline (must be multiple of 4)
102 bytes_per_line = (bytes_per_line >> 5) << 2; // can't overflow
103
104 qsizetype total_size;
105 if (qMulOverflow(height, bytes_per_line, &total_size))
106 return invalid;
107 qsizetype dummy;
108 if (qMulOverflow(height, qsizetype(sizeof(uchar *)), &dummy))
109 return invalid; // why is this here?
110#if 1 || QT_VERSION < QT_VERSION_CHECK(6,0,0) // ### can only fix this if QImage dimensions are not int anymore
111 // Disallow images where width * depth calculations might overflow
112 if (width > (INT_MAX - 31) / depth)
113 return invalid;
114#endif
115
116 return { bytes_per_line, total_size };
117}
118
119typedef void (*Image_Converter)(QImageData *dest, const QImageData *src, Qt::ImageConversionFlags);
120typedef bool (*InPlace_Image_Converter)(QImageData *data, Qt::ImageConversionFlags);
121
122extern Image_Converter qimage_converter_map[QImage::NImageFormats][QImage::NImageFormats];
123extern InPlace_Image_Converter qimage_inplace_converter_map[QImage::NImageFormats][QImage::NImageFormats];
124
125void convert_generic(QImageData *dest, const QImageData *src, Qt::ImageConversionFlags);
126void convert_generic_over_rgb64(QImageData *dest, const QImageData *src, Qt::ImageConversionFlags);
127bool convert_generic_inplace(QImageData *data, QImage::Format dst_format, Qt::ImageConversionFlags);
128bool convert_generic_inplace_over_rgb64(QImageData *data, QImage::Format dst_format, Qt::ImageConversionFlags);
129#if QT_CONFIG(raster_fp)
130void convert_generic_over_rgba32f(QImageData *dest, const QImageData *src, Qt::ImageConversionFlags);
131bool convert_generic_inplace_over_rgba32f(QImageData *data, QImage::Format dst_format, Qt::ImageConversionFlags);
132#endif
133
134void dither_to_Mono(QImageData *dst, const QImageData *src, Qt::ImageConversionFlags flags, bool fromalpha);
135
136const uchar *qt_get_bitflip_array();
137Q_GUI_EXPORT void qGamma_correct_back_to_linear_cs(QImage *image);
138
139#if defined(_M_ARM) && defined(_MSC_VER) // QTBUG-42038
140#pragma optimize("", off)
141#endif
142inline int qt_depthForFormat(QImage::Format format)
143{
144 int depth = 0;
145 switch(format) {
146 case QImage::Format_Invalid:
147 case QImage::NImageFormats:
148 Q_UNREACHABLE();
149 case QImage::Format_Mono:
150 case QImage::Format_MonoLSB:
151 depth = 1;
152 break;
153 case QImage::Format_Indexed8:
154 case QImage::Format_Alpha8:
155 case QImage::Format_Grayscale8:
156 depth = 8;
157 break;
158 case QImage::Format_RGB32:
159 case QImage::Format_ARGB32:
160 case QImage::Format_ARGB32_Premultiplied:
161 case QImage::Format_RGBX8888:
162 case QImage::Format_RGBA8888:
163 case QImage::Format_RGBA8888_Premultiplied:
164 case QImage::Format_BGR30:
165 case QImage::Format_A2BGR30_Premultiplied:
166 case QImage::Format_RGB30:
167 case QImage::Format_A2RGB30_Premultiplied:
168 depth = 32;
169 break;
170 case QImage::Format_RGB555:
171 case QImage::Format_RGB16:
172 case QImage::Format_RGB444:
173 case QImage::Format_ARGB4444_Premultiplied:
174 case QImage::Format_Grayscale16:
175 depth = 16;
176 break;
177 case QImage::Format_RGB666:
178 case QImage::Format_ARGB6666_Premultiplied:
179 case QImage::Format_ARGB8565_Premultiplied:
180 case QImage::Format_ARGB8555_Premultiplied:
181 case QImage::Format_RGB888:
182 case QImage::Format_BGR888:
183 depth = 24;
184 break;
185 case QImage::Format_RGBX64:
186 case QImage::Format_RGBA64:
187 case QImage::Format_RGBA64_Premultiplied:
188 case QImage::Format_RGBX16FPx4:
189 case QImage::Format_RGBA16FPx4:
190 case QImage::Format_RGBA16FPx4_Premultiplied:
191 depth = 64;
192 break;
193 case QImage::Format_RGBX32FPx4:
194 case QImage::Format_RGBA32FPx4:
195 case QImage::Format_RGBA32FPx4_Premultiplied:
196 depth = 128;
197 break;
198 case QImage::Format_CMYK8888:
199 depth = 32;
200 break;
201 }
202 return depth;
203}
204
205#if defined(_M_ARM) && defined(_MSC_VER)
206#pragma optimize("", on)
207#endif
208
209inline QImage::Format qt_opaqueVersion(QImage::Format format)
210{
211 switch (format) {
212 case QImage::Format_ARGB8565_Premultiplied:
213 return QImage::Format_RGB16;
214 case QImage::Format_ARGB8555_Premultiplied:
215 return QImage::Format_RGB555;
216 case QImage::Format_ARGB6666_Premultiplied:
217 return QImage::Format_RGB666;
218 case QImage::Format_ARGB4444_Premultiplied:
219 return QImage::Format_RGB444;
220 case QImage::Format_RGBA8888:
221 case QImage::Format_RGBA8888_Premultiplied:
222 return QImage::Format_RGBX8888;
223 case QImage::Format_A2BGR30_Premultiplied:
224 return QImage::Format_BGR30;
225 case QImage::Format_A2RGB30_Premultiplied:
226 return QImage::Format_RGB30;
227 case QImage::Format_RGBA64:
228 case QImage::Format_RGBA64_Premultiplied:
229 return QImage::Format_RGBX64;
230 case QImage::Format_RGBA16FPx4:
231 case QImage::Format_RGBA16FPx4_Premultiplied:
232 return QImage::Format_RGBX16FPx4;
233 case QImage::Format_RGBA32FPx4:
234 case QImage::Format_RGBA32FPx4_Premultiplied:
235 return QImage::Format_RGBX32FPx4;
236 case QImage::Format_ARGB32_Premultiplied:
237 case QImage::Format_ARGB32:
238 return QImage::Format_RGB32;
239 case QImage::Format_RGB16:
240 case QImage::Format_RGB32:
241 case QImage::Format_RGB444:
242 case QImage::Format_RGB555:
243 case QImage::Format_RGB666:
244 case QImage::Format_RGB888:
245 case QImage::Format_BGR888:
246 case QImage::Format_RGBX8888:
247 case QImage::Format_BGR30:
248 case QImage::Format_RGB30:
249 case QImage::Format_RGBX64:
250 case QImage::Format_RGBX16FPx4:
251 case QImage::Format_RGBX32FPx4:
252 case QImage::Format_Grayscale8:
253 case QImage::Format_Grayscale16:
254 case QImage::Format_CMYK8888:
255 return format;
256 case QImage::Format_Mono:
257 case QImage::Format_MonoLSB:
258 case QImage::Format_Indexed8:
259 case QImage::Format_Alpha8:
260 case QImage::Format_Invalid:
261 case QImage::NImageFormats:
262 break;
263 }
264 return QImage::Format_RGB32;
265}
266
267inline QImage::Format qt_alphaVersion(QImage::Format format)
268{
269 switch (format) {
270 case QImage::Format_RGB32:
271 case QImage::Format_ARGB32:
272 return QImage::Format_ARGB32_Premultiplied;
273 case QImage::Format_RGB16:
274 return QImage::Format_ARGB8565_Premultiplied;
275 case QImage::Format_RGB555:
276 return QImage::Format_ARGB8555_Premultiplied;
277 case QImage::Format_RGB666:
278 return QImage::Format_ARGB6666_Premultiplied;
279 case QImage::Format_RGB444:
280 return QImage::Format_ARGB4444_Premultiplied;
281 case QImage::Format_RGBX8888:
282 case QImage::Format_RGBA8888:
283 return QImage::Format_RGBA8888_Premultiplied;
284 case QImage::Format_BGR30:
285 return QImage::Format_A2BGR30_Premultiplied;
286 case QImage::Format_RGB30:
287 return QImage::Format_A2RGB30_Premultiplied;
288 case QImage::Format_RGBX64:
289 case QImage::Format_RGBA64:
290 case QImage::Format_Grayscale16:
291 return QImage::Format_RGBA64_Premultiplied;
292 case QImage::Format_RGBX16FPx4:
293 case QImage::Format_RGBA16FPx4:
294 return QImage::Format_RGBA16FPx4_Premultiplied;
295 case QImage::Format_RGBX32FPx4:
296 case QImage::Format_RGBA32FPx4:
297 return QImage::Format_RGBA32FPx4_Premultiplied;
298 case QImage::Format_ARGB32_Premultiplied:
299 case QImage::Format_ARGB8565_Premultiplied:
300 case QImage::Format_ARGB8555_Premultiplied:
301 case QImage::Format_ARGB6666_Premultiplied:
302 case QImage::Format_ARGB4444_Premultiplied:
303 case QImage::Format_RGBA8888_Premultiplied:
304 case QImage::Format_A2BGR30_Premultiplied:
305 case QImage::Format_A2RGB30_Premultiplied:
306 case QImage::Format_RGBA64_Premultiplied:
307 case QImage::Format_RGBA16FPx4_Premultiplied:
308 case QImage::Format_RGBA32FPx4_Premultiplied:
309 return format;
310 case QImage::Format_Mono:
311 case QImage::Format_MonoLSB:
312 case QImage::Format_Indexed8:
313 case QImage::Format_RGB888:
314 case QImage::Format_BGR888:
315 case QImage::Format_Alpha8:
316 case QImage::Format_Grayscale8:
317 case QImage::Format_Invalid:
318 case QImage::Format_CMYK8888:
319 case QImage::NImageFormats:
320 break;
321 }
322 return QImage::Format_ARGB32_Premultiplied;
323}
324
325// Returns an opaque version that is compatible with format
326inline QImage::Format qt_maybeDataCompatibleOpaqueVersion(QImage::Format format)
327{
328 switch (format) {
329 case QImage::Format_ARGB6666_Premultiplied:
330 return QImage::Format_RGB666;
331 case QImage::Format_ARGB4444_Premultiplied:
332 return QImage::Format_RGB444;
333 case QImage::Format_RGBA8888:
334 case QImage::Format_RGBA8888_Premultiplied:
335 return QImage::Format_RGBX8888;
336 case QImage::Format_A2BGR30_Premultiplied:
337 return QImage::Format_BGR30;
338 case QImage::Format_A2RGB30_Premultiplied:
339 return QImage::Format_RGB30;
340 case QImage::Format_RGBA64:
341 case QImage::Format_RGBA64_Premultiplied:
342 return QImage::Format_RGBX64;
343 case QImage::Format_RGBA16FPx4:
344 case QImage::Format_RGBA16FPx4_Premultiplied:
345 return QImage::Format_RGBX16FPx4;
346 case QImage::Format_RGBA32FPx4:
347 case QImage::Format_RGBA32FPx4_Premultiplied:
348 return QImage::Format_RGBX32FPx4;
349 case QImage::Format_ARGB32_Premultiplied:
350 case QImage::Format_ARGB32:
351 return QImage::Format_RGB32;
352 case QImage::Format_RGB16:
353 case QImage::Format_RGB32:
354 case QImage::Format_RGB444:
355 case QImage::Format_RGB555:
356 case QImage::Format_RGB666:
357 case QImage::Format_RGB888:
358 case QImage::Format_BGR888:
359 case QImage::Format_RGBX8888:
360 case QImage::Format_BGR30:
361 case QImage::Format_RGB30:
362 case QImage::Format_RGBX64:
363 case QImage::Format_RGBX16FPx4:
364 case QImage::Format_RGBX32FPx4:
365 case QImage::Format_Grayscale8:
366 case QImage::Format_Grayscale16:
367 case QImage::Format_CMYK8888:
368 return format; // Already opaque
369 case QImage::Format_Mono:
370 case QImage::Format_MonoLSB:
371 case QImage::Format_Indexed8:
372 case QImage::Format_ARGB8565_Premultiplied:
373 case QImage::Format_ARGB8555_Premultiplied:
374 case QImage::Format_Alpha8:
375 case QImage::Format_Invalid:
376 case QImage::NImageFormats:
377 break;
378 }
379 return format; // No compatible opaque versions
380}
381
382constexpr QImage::Format qt_toUnpremultipliedFormat(QImage::Format format)
383{
384 // Assumes input is already a premultiplied format with an unpremultiplied counterpart
385 // This abuses the fact unpremultiplied formats are always before their premultiplied counterparts.
386 return static_cast<QImage::Format>(qToUnderlying(format) - 1);
387}
388
389constexpr QImage::Format qt_toPremultipliedFormat(QImage::Format format)
390{
391 // Assumes input is already an unpremultiplied format
392 // This abuses the fact unpremultiplied formats are always before their premultiplied counterparts.
393 return static_cast<QImage::Format>(qToUnderlying(format) + 1);
394}
395
396inline bool qt_highColorPrecision(QImage::Format format, bool opaque = false)
397{
398 // Formats with higher color precision than ARGB32_Premultiplied.
399 switch (format) {
400 case QImage::Format_ARGB32:
401 case QImage::Format_RGBA8888:
402 return !opaque;
403 case QImage::Format_BGR30:
404 case QImage::Format_RGB30:
405 case QImage::Format_A2BGR30_Premultiplied:
406 case QImage::Format_A2RGB30_Premultiplied:
407 case QImage::Format_RGBX64:
408 case QImage::Format_RGBA64:
409 case QImage::Format_RGBA64_Premultiplied:
410 case QImage::Format_Grayscale16:
411 case QImage::Format_RGBX16FPx4:
412 case QImage::Format_RGBA16FPx4:
413 case QImage::Format_RGBA16FPx4_Premultiplied:
414 case QImage::Format_RGBX32FPx4:
415 case QImage::Format_RGBA32FPx4:
416 case QImage::Format_RGBA32FPx4_Premultiplied:
417 return true;
418 default:
419 break;
420 }
421 return false;
422}
423
424inline bool qt_fpColorPrecision(QImage::Format format)
425{
426 switch (format) {
427 case QImage::Format_RGBX16FPx4:
428 case QImage::Format_RGBA16FPx4:
429 case QImage::Format_RGBA16FPx4_Premultiplied:
430 case QImage::Format_RGBX32FPx4:
431 case QImage::Format_RGBA32FPx4:
432 case QImage::Format_RGBA32FPx4_Premultiplied:
433 return true;
434 default:
435 break;
436 }
437 return false;
438}
439
458
459inline bool qt_compatibleColorModel(QPixelFormat::ColorModel data, QColorSpace::ColorModel cs)
460{
461 QColorSpace::ColorModel dataCs = qt_csColorData(data);
462
463 if (data == QPixelFormat::ColorModel::Alpha)
464 return true; // Alpha data has no colors and can be handled by any color space
465
466 if (cs == QColorSpace::ColorModel::Undefined || dataCs == QColorSpace::ColorModel::Undefined)
467 return false;
468
469 if (dataCs == cs)
470 return true; // Matching color models
471
472 if (dataCs == QColorSpace::ColorModel::Gray)
473 return true; // Can apply any CS with white point to Gray data
474
475 return false;
476}
477
478inline QImage::Format qt_maybeDataCompatibleAlphaVersion(QImage::Format format)
479{
480 switch (format) {
481 case QImage::Format_RGB32:
482 return QImage::Format_ARGB32_Premultiplied;
483 case QImage::Format_RGB666:
484 return QImage::Format_ARGB6666_Premultiplied;
485 case QImage::Format_RGB444:
486 return QImage::Format_ARGB4444_Premultiplied;
487 case QImage::Format_RGBX8888:
488 return QImage::Format_RGBA8888_Premultiplied;
489 case QImage::Format_BGR30:
490 return QImage::Format_A2BGR30_Premultiplied;
491 case QImage::Format_RGB30:
492 return QImage::Format_A2RGB30_Premultiplied;
493 case QImage::Format_RGBX64:
494 return QImage::Format_RGBA64_Premultiplied;
495 case QImage::Format_RGBX16FPx4:
496 return QImage::Format_RGBA16FPx4_Premultiplied;
497 case QImage::Format_RGBX32FPx4:
498 return QImage::Format_RGBA32FPx4_Premultiplied;
499 case QImage::Format_ARGB32:
500 case QImage::Format_ARGB32_Premultiplied:
501 case QImage::Format_ARGB8565_Premultiplied:
502 case QImage::Format_ARGB8555_Premultiplied:
503 case QImage::Format_ARGB6666_Premultiplied:
504 case QImage::Format_ARGB4444_Premultiplied:
505 case QImage::Format_RGBA8888:
506 case QImage::Format_RGBA8888_Premultiplied:
507 case QImage::Format_A2BGR30_Premultiplied:
508 case QImage::Format_A2RGB30_Premultiplied:
509 case QImage::Format_Alpha8:
510 case QImage::Format_RGBA64:
511 case QImage::Format_RGBA64_Premultiplied:
512 case QImage::Format_RGBA16FPx4:
513 case QImage::Format_RGBA16FPx4_Premultiplied:
514 case QImage::Format_RGBA32FPx4:
515 case QImage::Format_RGBA32FPx4_Premultiplied:
516 return format; // Already alpha versions
517 case QImage::Format_Mono:
518 case QImage::Format_MonoLSB:
519 case QImage::Format_Indexed8:
520 case QImage::Format_RGB16:
521 case QImage::Format_RGB555:
522 case QImage::Format_RGB888:
523 case QImage::Format_BGR888:
524 case QImage::Format_Grayscale8:
525 case QImage::Format_Grayscale16:
526 case QImage::Format_CMYK8888:
527 case QImage::Format_Invalid:
528 case QImage::NImageFormats:
529 break;
530 }
531 return format; // No data-compatible alpha version
532}
533
534inline QImage::Format qt_opaqueVersionForPainting(QImage::Format format)
535{
536 QImage::Format toFormat = qt_opaqueVersion(format);
537 // If we are switching depth anyway upgrade to RGB32
538 if (qt_depthForFormat(format) != qt_depthForFormat(toFormat) && qt_depthForFormat(toFormat) <= 32)
539 toFormat = QImage::Format_RGB32;
540 return toFormat;
541}
542
543inline QImage::Format qt_alphaVersionForPainting(QImage::Format format)
544{
545 QImage::Format toFormat = qt_alphaVersion(format);
546#if defined(__ARM_NEON__) || defined(__SSE2__)
547 // If we are switching depth anyway and we have optimized ARGB32PM routines, upgrade to that.
548 if (qt_depthForFormat(format) != qt_depthForFormat(toFormat) && qt_depthForFormat(toFormat) <= 32)
549 toFormat = QImage::Format_ARGB32_Premultiplied;
550#endif
551 return toFormat;
552}
553
554Q_GUI_EXPORT QMap<QString, QString> qt_getImageText(const QImage &image, const QString &description);
555Q_GUI_EXPORT QMap<QString, QString> qt_getImageTextFromDescription(const QString &description);
556
557QT_END_NAMESPACE
558
559#endif // QIMAGE_P_H
QAtomicInt
\inmodule QtCore
Definition qatomic.h:112
QColorSpace
The QColorSpace class provides a color space abstraction.
Definition qcolorspace.h:21
QImageWriter
The QImageWriter class provides a format independent interface for writing images to files or other d...
Definition qimagewriter.h:21
QImage
\inmodule QtGui
Definition qimage.h:37
QImage::Format
Format
The following image formats are available in Qt.
Definition qimage.h:41
QImage::Format_Grayscale16
@ Format_Grayscale16
Definition qimage.h:70
QImage::Format_Alpha8
@ Format_Alpha8
Definition qimage.h:65
QImage::Format_CMYK8888
@ Format_CMYK8888
Definition qimage.h:78
QImage::Format_RGBA8888
@ Format_RGBA8888
Definition qimage.h:59
QImage::Format_RGB30
@ Format_RGB30
Definition qimage.h:63
QImage::Format_RGB888
@ Format_RGB888
Definition qimage.h:55
QImage::Format_RGBA16FPx4
@ Format_RGBA16FPx4
Definition qimage.h:73
QImage::Format_RGBA32FPx4_Premultiplied
@ Format_RGBA32FPx4_Premultiplied
Definition qimage.h:77
QImage::Format_RGB32
@ Format_RGB32
Definition qimage.h:46
QImage::Format_Invalid
@ Format_Invalid
Definition qimage.h:42
QImage::Format_RGB666
@ Format_RGB666
Definition qimage.h:51
QImage::Format_RGBX32FPx4
@ Format_RGBX32FPx4
Definition qimage.h:75
QImage::Format_RGBA64_Premultiplied
@ Format_RGBA64_Premultiplied
Definition qimage.h:69
QImage::Format_ARGB6666_Premultiplied
@ Format_ARGB6666_Premultiplied
Definition qimage.h:52
QImage::Format_ARGB8555_Premultiplied
@ Format_ARGB8555_Premultiplied
Definition qimage.h:54
QImage::Format_RGB444
@ Format_RGB444
Definition qimage.h:56
QImage::Format_MonoLSB
@ Format_MonoLSB
Definition qimage.h:44
QImage::Format_RGBA8888_Premultiplied
@ Format_RGBA8888_Premultiplied
Definition qimage.h:60
QImage::Format_ARGB8565_Premultiplied
@ Format_ARGB8565_Premultiplied
Definition qimage.h:50
QImage::Format_RGB555
@ Format_RGB555
Definition qimage.h:53
QImage::Format_RGBA64
@ Format_RGBA64
Definition qimage.h:68
QImage::Format_RGBA32FPx4
@ Format_RGBA32FPx4
Definition qimage.h:76
QImage::Format_Mono
@ Format_Mono
Definition qimage.h:43
QImage::Format_RGBA16FPx4_Premultiplied
@ Format_RGBA16FPx4_Premultiplied
Definition qimage.h:74
QImage::Format_RGBX64
@ Format_RGBX64
Definition qimage.h:67
QImage::Format_A2BGR30_Premultiplied
@ Format_A2BGR30_Premultiplied
Definition qimage.h:62
QImage::Format_RGBX16FPx4
@ Format_RGBX16FPx4
Definition qimage.h:72
QImage::Format_Indexed8
@ Format_Indexed8
Definition qimage.h:45
QImage::Format_BGR30
@ Format_BGR30
Definition qimage.h:61
QImage::NImageFormats
@ NImageFormats
Definition qimage.h:80
QImage::Format_ARGB32_Premultiplied
@ Format_ARGB32_Premultiplied
Definition qimage.h:48
QImage::Format_A2RGB30_Premultiplied
@ Format_A2RGB30_Premultiplied
Definition qimage.h:64
QImage::Format_ARGB4444_Premultiplied
@ Format_ARGB4444_Premultiplied
Definition qimage.h:57
QImage::Format_RGB16
@ Format_RGB16
Definition qimage.h:49
QImage::Format_BGR888
@ Format_BGR888
Definition qimage.h:71
QImage::Format_ARGB32
@ Format_ARGB32
Definition qimage.h:47
QImage::Format_RGBX8888
@ Format_RGBX8888
Definition qimage.h:58
QImage::Format_Grayscale8
@ Format_Grayscale8
Definition qimage.h:66
QPaintEngine
\inmodule QtGui
Definition qpaintengine.h:51
QPixelFormat::ColorModel
ColorModel
This enum type is used to describe the color model of the pixelformat.
Definition qpixelformat.h:68
QPoint
\inmodule QtCore\reentrant
Definition qpoint.h:25
QSize
\inmodule QtCore
Definition qsize.h:25
QString
\macro QT_RESTRICTED_CAST_FROM_ASCII
Definition qstring.h:129
QT_BEGIN_NAMESPACE
Combined button and popup list for selecting options.
Definition qstandardpaths_haiku.cpp:21
QT_END_NAMESPACE
Definition qsharedpointer.cpp:1590
image
Definition image.cpp:4
void
DBusConnection const char DBusError DBusBusType DBusError return DBusConnection DBusHandleMessageFunction void DBusFreeFunction return DBusConnection return DBusConnection return const char DBusError return DBusConnection DBusMessage dbus_uint32_t return DBusConnection dbus_bool_t DBusConnection DBusAddWatchFunction DBusRemoveWatchFunction DBusWatchToggledFunction void DBusFreeFunction return DBusConnection DBusDispatchStatusFunction void DBusFreeFunction DBusTimeout return DBusTimeout return DBusWatch return DBusWatch unsigned int return DBusError const DBusError return const DBusMessage return DBusMessage return DBusMessage return DBusMessage return DBusMessage return DBusMessage return DBusMessageIter int const void return DBusMessageIter DBusMessageIter return DBusMessageIter void DBusMessageIter void int return DBusMessage DBusMessageIter return DBusMessageIter return DBusMessageIter DBusMessageIter const char const char const char const char return DBusMessage return DBusMessage const char return DBusMessage dbus_bool_t return DBusMessage dbus_uint32_t return DBusMessage void
Definition qdbus_symbols_p.h:409
QImageCleanupFunction
void(* QImageCleanupFunction)(void *)
Definition qimage.h:34
convert_generic_inplace_over_rgb64
bool convert_generic_inplace_over_rgb64(QImageData *data, QImage::Format dst_format, Qt::ImageConversionFlags)
Definition qimage_conversions.cpp:466
qt_toUnpremultipliedFormat
constexpr QImage::Format qt_toUnpremultipliedFormat(QImage::Format format)
Definition qimage_p.h:382
qt_maybeDataCompatibleOpaqueVersion
QImage::Format qt_maybeDataCompatibleOpaqueVersion(QImage::Format format)
Definition qimage_p.h:326
qt_depthForFormat
int qt_depthForFormat(QImage::Format format)
Definition qimage_p.h:142
qimage_converter_map
Image_Converter qimage_converter_map[QImage::NImageFormats][QImage::NImageFormats]
Definition qimage_conversions.cpp:2488
convert_generic
void convert_generic(QImageData *dest, const QImageData *src, Qt::ImageConversionFlags)
Definition qimage_conversions.cpp:136
qt_csColorData
QColorSpace::ColorModel qt_csColorData(QPixelFormat::ColorModel format)
Definition qimage_p.h:440
qt_fpColorPrecision
bool qt_fpColorPrecision(QImage::Format format)
Definition qimage_p.h:424
InPlace_Image_Converter
bool(* InPlace_Image_Converter)(QImageData *data, Qt::ImageConversionFlags)
Definition qimage_p.h:120
qt_getImageText
Q_GUI_EXPORT QMap< QString, QString > qt_getImageText(const QImage &image, const QString &description)
Definition qimage.cpp:6424
qt_compatibleColorModel
bool qt_compatibleColorModel(QPixelFormat::ColorModel data, QColorSpace::ColorModel cs)
Definition qimage_p.h:459
qimage_inplace_converter_map
InPlace_Image_Converter qimage_inplace_converter_map[QImage::NImageFormats][QImage::NImageFormats]
Definition qimage_conversions.cpp:2489
qt_alphaVersion
QImage::Format qt_alphaVersion(QImage::Format format)
Definition qimage_p.h:267
qt_get_bitflip_array
const uchar * qt_get_bitflip_array()
Definition qimage_conversions.cpp:75
dither_to_Mono
void dither_to_Mono(QImageData *dst, const QImageData *src, Qt::ImageConversionFlags flags, bool fromalpha)
Definition qimage_conversions.cpp:1611
convert_generic_over_rgb64
void convert_generic_over_rgb64(QImageData *dest, const QImageData *src, Qt::ImageConversionFlags)
Definition qimage_conversions.cpp:228
qt_highColorPrecision
bool qt_highColorPrecision(QImage::Format format, bool opaque=false)
Definition qimage_p.h:396
qt_opaqueVersionForPainting
QImage::Format qt_opaqueVersionForPainting(QImage::Format format)
Definition qimage_p.h:534
qt_maybeDataCompatibleAlphaVersion
QImage::Format qt_maybeDataCompatibleAlphaVersion(QImage::Format format)
Definition qimage_p.h:478
qt_getImageTextFromDescription
Q_GUI_EXPORT QMap< QString, QString > qt_getImageTextFromDescription(const QString &description)
Definition qimage.cpp:6435
qGamma_correct_back_to_linear_cs
Q_GUI_EXPORT void qGamma_correct_back_to_linear_cs(QImage *image)
Definition qimage_conversions.cpp:80
qt_opaqueVersion
QImage::Format qt_opaqueVersion(QImage::Format format)
Definition qimage_p.h:209
Image_Converter
void(* Image_Converter)(QImageData *dest, const QImageData *src, Qt::ImageConversionFlags)
Definition qimage_p.h:119
qt_toPremultipliedFormat
constexpr QImage::Format qt_toPremultipliedFormat(QImage::Format format)
Definition qimage_p.h:389
qt_alphaVersionForPainting
QImage::Format qt_alphaVersionForPainting(QImage::Format format)
Definition qimage_p.h:543
convert_generic_inplace
bool convert_generic_inplace(QImageData *data, QImage::Format dst_format, Qt::ImageConversionFlags)
Definition qimage_conversions.cpp:338
qAddOverflow
std::enable_if_t< std::is_unsigned_v< T >, bool > qAddOverflow(T v1, T v2, T *r)
Definition qnumeric.h:113
qMulOverflow
std::enable_if_t< std::is_unsigned_v< T >||std::is_signed_v< T >, bool > qMulOverflow(T v1, T v2, T *r)
Definition qnumeric.h:182
depth
GLint GLenum GLsizei GLsizei GLsizei depth
Definition qopengles2ext.h:603
w
GLfloat GLfloat GLfloat w
[0]
Definition qopengles2ext.h:789
height
GLint GLsizei GLsizei height
Definition qopengles2ext.h:206
size
GLenum GLuint GLintptr GLsizeiptr size
[1]
Definition qopengles2ext.h:660
data
GLint GLsizei GLsizei GLenum GLenum GLsizei void * data
Definition qopengles2ext.h:206
src
GLenum src
Definition qopengles2ext.h:335
width
GLint GLsizei width
Definition qopengles2ext.h:206
dst
GLenum GLenum dst
Definition qopengles2ext.h:335
flags
GLbitfield flags
Definition qopengles2ext.h:1026
format
GLint GLsizei GLsizei GLenum format
Definition qopengles2ext.h:206
h
GLfloat GLfloat GLfloat GLfloat h
Definition qopengles2ext.h:789
img
GLint void * img
Definition qopenglext.h:233
qToUnderlying
QT_BEGIN_NAMESPACE constexpr std::underlying_type_t< Enum > qToUnderlying(Enum e) noexcept
Definition qttypetraits.h:22
uchar
unsigned char uchar
Definition qtypes.h:32
qsizetype
ptrdiff_t qsizetype
Definition qtypes.h:165
uint
unsigned int uint
Definition qtypes.h:34
qreal
double qreal
Definition qtypes.h:187
create
view create()
QImageData::detach_no
int detach_no
Definition qimage_p.h:52
QImageData::dpmx
qreal dpmx
Definition qimage_p.h:54
QImageData::get
static const QImageData * get(const QImage &img) noexcept
Definition qimage_p.h:38
QImageData::devicePixelRatio
qreal devicePixelRatio
Definition qimage_p.h:46
QImageData::ref
QAtomicInt ref
Definition qimage_p.h:40
QImageData::height
int height
Definition qimage_p.h:43
QImageData::get
static QImageData * get(QImage &img) noexcept
Definition qimage_p.h:37
QImageData::colorSpace
QColorSpace colorSpace
Definition qimage_p.h:78
QImageData::data
uchar * data
Definition qimage_p.h:48
QImageData::calculateImageParameters
static ImageSizeParameters calculateImageParameters(qsizetype width, qsizetype height, qsizetype depth)
Definition qimage_p.h:89
QImageData::ser_no
int ser_no
Definition qimage_p.h:51
QImageData::is_cached
uint is_cached
Definition qimage_p.h:61
QImageData::width
int width
Definition qimage_p.h:42
QImageData::cleanupInfo
void * cleanupInfo
Definition qimage_p.h:64
QImageData::colortable
QList< QRgb > colortable
Definition qimage_p.h:47
QImageData::ro_data
uint ro_data
Definition qimage_p.h:59
QImageData::own_data
uint own_data
Definition qimage_p.h:58
QImageData::create
static QImageData * create(const QSize &size, QImage::Format format)
QImageData::bytes_per_line
qsizetype bytes_per_line
Definition qimage_p.h:50
QImageData::nbytes
qsizetype nbytes
Definition qimage_p.h:45
QImageData::dpmy
qreal dpmy
Definition qimage_p.h:55
QImageData::depth
int depth
Definition qimage_p.h:44
QImageData::has_alpha_clut
uint has_alpha_clut
Definition qimage_p.h:60
QImageData::paintEngine
QPaintEngine * paintEngine
Definition qimage_p.h:76
QImageData::format
QImage::Format format
Definition qimage_p.h:49
QImageData::text
QMap< QString, QString > text
Definition qimage_p.h:72
QImageData::offset
QPoint offset
Definition qimage_p.h:56
QImageData::cleanupFunction
QImageCleanupFunction cleanupFunction
Definition qimage_p.h:63