qblendfunctions.cpp

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1/****************************************************************************-
2**-
3** Copyright (C) 2016 The Qt Company Ltd.-
4** Contact: https://www.qt.io/licensing/-
5**-
6** This file is part of the QtGui module of the Qt Toolkit.-
7**-
8** $QT_BEGIN_LICENSE:LGPL$-
9** Commercial License Usage-
10** Licensees holding valid commercial Qt licenses may use this file in-
11** accordance with the commercial license agreement provided with the-
12** Software or, alternatively, in accordance with the terms contained in-
13** a written agreement between you and The Qt Company. For licensing terms-
14** and conditions see https://www.qt.io/terms-conditions. For further-
15** information use the contact form at https://www.qt.io/contact-us.-
16**-
17** GNU Lesser General Public License Usage-
18** Alternatively, this file may be used under the terms of the GNU Lesser-
19** General Public License version 3 as published by the Free Software-
20** Foundation and appearing in the file LICENSE.LGPL3 included in the-
21** packaging of this file. Please review the following information to-
22** ensure the GNU Lesser General Public License version 3 requirements-
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.-
24**-
25** GNU General Public License Usage-
26** Alternatively, this file may be used under the terms of the GNU-
27** General Public License version 2.0 or (at your option) the GNU General-
28** Public license version 3 or any later version approved by the KDE Free-
29** Qt Foundation. The licenses are as published by the Free Software-
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3-
31** included in the packaging of this file. Please review the following-
32** information to ensure the GNU General Public License requirements will-
33** be met: https://www.gnu.org/licenses/gpl-2.0.html and-
34** https://www.gnu.org/licenses/gpl-3.0.html.-
35**-
36** $QT_END_LICENSE$-
37**-
38****************************************************************************/-
39-
40#include <qmath.h>-
41#include "qblendfunctions_p.h"-
42-
43QT_BEGIN_NAMESPACE-
44-
45struct SourceOnlyAlpha-
46{-
47 inline uchar alpha(uchar src) const { return src; }
never executed: return src;
0
48 inline quint16 bytemul(quint16 spix) const { return spix; }
never executed: return spix;
0
49};-
50-
51-
52struct SourceAndConstAlpha-
53{-
54 SourceAndConstAlpha(int a) : m_alpha256(a) {-
55 m_alpha255 = (m_alpha256 * 255) >> 8;-
56 };
never executed: end of block
0
57 inline uchar alpha(uchar src) const { return (src * m_alpha256) >> 8; }
never executed: return (src * m_alpha256) >> 8;
0
58 inline quint16 bytemul(quint16 x) const {-
59 uint t = (((x & 0x07e0)*m_alpha255) >> 8) & 0x07e0;-
60 t |= (((x & 0xf81f)*(m_alpha255>>2)) >> 6) & 0xf81f;-
61 return t;
never executed: return t;
0
62 }-
63 int m_alpha255;-
64 int m_alpha256;-
65};-
66-
67-
68/************************************************************************-
69 RGB16 (565) format target format-
70 ************************************************************************/-
71-
72struct Blend_RGB16_on_RGB16_NoAlpha {-
73 inline void write(quint16 *dst, quint16 src) { *dst = src; }
never executed: end of block
0
74-
75 inline void flush(void *) {}-
76};-
77-
78struct Blend_RGB16_on_RGB16_ConstAlpha {-
79 inline Blend_RGB16_on_RGB16_ConstAlpha(quint32 alpha) {-
80 m_alpha = (alpha * 255) >> 8;-
81 m_ialpha = 255 - m_alpha;-
82 }
never executed: end of block
0
83-
84 inline void write(quint16 *dst, quint16 src) {-
85 *dst = BYTE_MUL_RGB16(src, m_alpha) + BYTE_MUL_RGB16(*dst, m_ialpha);-
86 }
never executed: end of block
0
87-
88 inline void flush(void *) {}-
89-
90 quint32 m_alpha;-
91 quint32 m_ialpha;-
92};-
93-
94struct Blend_ARGB32_on_RGB16_SourceAlpha {-
95 inline void write(quint16 *dst, quint32 src) {-
96 const quint8 alpha = qAlpha(src);-
97 if (alpha) {
alphaDescription
TRUEnever evaluated
FALSEnever evaluated
0
98 quint16 s = qConvertRgb32To16(src);-
99 if(alpha < 255)
alpha < 255Description
TRUEnever evaluated
FALSEnever evaluated
0
100 s += BYTE_MUL_RGB16(*dst, 255 - alpha);
never executed: s += BYTE_MUL_RGB16(*dst, 255 - alpha);
0
101 *dst = s;-
102 }
never executed: end of block
0
103 }
never executed: end of block
0
104-
105 inline void flush(void *) {}-
106};-
107-
108struct Blend_ARGB32_on_RGB16_SourceAndConstAlpha {-
109 inline Blend_ARGB32_on_RGB16_SourceAndConstAlpha(quint32 alpha) {-
110 m_alpha = (alpha * 255) >> 8;-
111 }
never executed: end of block
0
112-
113 inline void write(quint16 *dst, quint32 src) {-
114 src = BYTE_MUL(src, m_alpha);-
115 const quint8 alpha = qAlpha(src);-
116 if(alpha) {
alphaDescription
TRUEnever evaluated
FALSEnever evaluated
0
117 quint16 s = qConvertRgb32To16(src);-
118 if(alpha < 255)
alpha < 255Description
TRUEnever evaluated
FALSEnever evaluated
0
119 s += BYTE_MUL_RGB16(*dst, 255 - alpha);
never executed: s += BYTE_MUL_RGB16(*dst, 255 - alpha);
0
120 *dst = s;-
121 }
never executed: end of block
0
122 }
never executed: end of block
0
123-
124 inline void flush(void *) {}-
125-
126 quint32 m_alpha;-
127};-
128-
129void qt_scale_image_rgb16_on_rgb16(uchar *destPixels, int dbpl,-
130 const uchar *srcPixels, int sbpl, int srch,-
131 const QRectF &targetRect,-
132 const QRectF &sourceRect,-
133 const QRect &clip,-
134 int const_alpha)-
135{-
136#ifdef QT_DEBUG_DRAW-
137 printf("qt_scale_rgb16_on_rgb16: dst=(%p, %d), src=(%p, %d), target=(%d, %d), [%d x %d], src=(%d, %d) [%d x %d] alpha=%d\n",-
138 destPixels, dbpl, srcPixels, sbpl,-
139 targetRect.x(), targetRect.y(), targetRect.width(), targetRect.height(),-
140 sourceRect.x(), sourceRect.y(), sourceRect.width(), sourceRect.height(),-
141 const_alpha);-
142#endif-
143 if (const_alpha == 256) {
const_alpha == 256Description
TRUEnever evaluated
FALSEnever evaluated
0
144 Blend_RGB16_on_RGB16_NoAlpha noAlpha;-
145 qt_scale_image_16bit<quint16>(destPixels, dbpl, srcPixels, sbpl, srch,-
146 targetRect, sourceRect, clip, noAlpha);-
147 } else {
never executed: end of block
0
148 Blend_RGB16_on_RGB16_ConstAlpha constAlpha(const_alpha);-
149 qt_scale_image_16bit<quint16>(destPixels, dbpl, srcPixels, sbpl, srch,-
150 targetRect, sourceRect, clip, constAlpha);-
151 }
never executed: end of block
0
152}-
153-
154void qt_scale_image_argb32_on_rgb16(uchar *destPixels, int dbpl,-
155 const uchar *srcPixels, int sbpl, int srch,-
156 const QRectF &targetRect,-
157 const QRectF &sourceRect,-
158 const QRect &clip,-
159 int const_alpha)-
160{-
161#ifdef QT_DEBUG_DRAW-
162 printf("qt_scale_argb32_on_rgb16: dst=(%p, %d), src=(%p, %d), target=(%d, %d), [%d x %d], src=(%d, %d) [%d x %d] alpha=%d\n",-
163 destPixels, dbpl, srcPixels, sbpl,-
164 targetRect.x(), targetRect.y(), targetRect.width(), targetRect.height(),-
165 sourceRect.x(), sourceRect.y(), sourceRect.width(), sourceRect.height(),-
166 const_alpha);-
167#endif-
168 if (const_alpha == 256) {
const_alpha == 256Description
TRUEnever evaluated
FALSEnever evaluated
0
169 Blend_ARGB32_on_RGB16_SourceAlpha noAlpha;-
170 qt_scale_image_16bit<quint32>(destPixels, dbpl, srcPixels, sbpl, srch,-
171 targetRect, sourceRect, clip, noAlpha);-
172 } else {
never executed: end of block
0
173 Blend_ARGB32_on_RGB16_SourceAndConstAlpha constAlpha(const_alpha);-
174 qt_scale_image_16bit<quint32>(destPixels, dbpl, srcPixels, sbpl, srch,-
175 targetRect, sourceRect, clip, constAlpha);-
176 }
never executed: end of block
0
177}-
178-
179void qt_blend_rgb16_on_rgb16(uchar *dst, int dbpl,-
180 const uchar *src, int sbpl,-
181 int w, int h,-
182 int const_alpha)-
183{-
184#ifdef QT_DEBUG_DRAW-
185 printf("qt_blend_rgb16_on_rgb16: dst=(%p, %d), src=(%p, %d), dim=(%d, %d) alpha=%d\n",-
186 dst, dbpl, src, sbpl, w, h, const_alpha);-
187#endif-
188-
189 if (const_alpha == 256) {
const_alpha == 256Description
TRUEnever evaluated
FALSEnever evaluated
0
190 if (w <= 64) {
w <= 64Description
TRUEnever evaluated
FALSEnever evaluated
0
191 while (h--) {
h--Description
TRUEnever evaluated
FALSEnever evaluated
0
192 QT_MEMCPY_USHORT(dst, src, w);
never executed: end of block
never executed: end of block
--n > 0Description
TRUEnever evaluated
FALSEnever evaluated
code before this statement never executed: case 7:
code before this statement never executed: case 6:
code before this statement never executed: case 5:
code before this statement never executed: case 4:
code before this statement never executed: case 3:
code before this statement never executed: case 2:
code before this statement never executed: case 1:
never executed: case 0:
never executed: case 7:
never executed: case 6:
never executed: case 5:
never executed: case 4:
never executed: case 3:
never executed: case 2:
never executed: case 1:
0
193 dst += dbpl;-
194 src += sbpl;-
195 }
never executed: end of block
0
196 } else {
never executed: end of block
0
197 int length = w << 1;-
198 while (h--) {
h--Description
TRUEnever evaluated
FALSEnever evaluated
0
199 memcpy(dst, src, length);-
200 dst += dbpl;-
201 src += sbpl;-
202 }
never executed: end of block
0
203 }
never executed: end of block
0
204 } else if (const_alpha != 0) {
const_alpha != 0Description
TRUEnever evaluated
FALSEnever evaluated
0
205 quint16 *d = (quint16 *) dst;-
206 const quint16 *s = (const quint16 *) src;-
207 quint8 a = (255 * const_alpha) >> 8;-
208 quint8 ia = 255 - a;-
209 while (h--) {
h--Description
TRUEnever evaluated
FALSEnever evaluated
0
210 for (int x=0; x<w; ++x) {
x<wDescription
TRUEnever evaluated
FALSEnever evaluated
0
211 d[x] = BYTE_MUL_RGB16(s[x], a) + BYTE_MUL_RGB16(d[x], ia);-
212 }
never executed: end of block
0
213 d = (quint16 *)(((uchar *) d) + dbpl);-
214 s = (const quint16 *)(((const uchar *) s) + sbpl);-
215 }
never executed: end of block
0
216 }
never executed: end of block
0
217}
never executed: end of block
0
218-
219-
220void qt_blend_argb32_on_rgb16_const_alpha(uchar *destPixels, int dbpl,-
221 const uchar *srcPixels, int sbpl,-
222 int w, int h,-
223 int const_alpha)-
224{-
225 quint16 *dst = (quint16 *) destPixels;-
226 const quint32 *src = (const quint32 *) srcPixels;-
227-
228 const_alpha = (const_alpha * 255) >> 8;-
229 for (int y=0; y<h; ++y) {
y<hDescription
TRUEnever evaluated
FALSEnever evaluated
0
230 for (int i = 0; i < w; ++i) {
i < wDescription
TRUEnever evaluated
FALSEnever evaluated
0
231 uint s = src[i];-
232 s = BYTE_MUL(s, const_alpha);-
233 int alpha = qAlpha(s);-
234 s = qConvertRgb32To16(s);-
235 s += BYTE_MUL_RGB16(dst[i], 255 - alpha);-
236 dst[i] = s;-
237 }
never executed: end of block
0
238 dst = (quint16 *)(((uchar *) dst) + dbpl);-
239 src = (const quint32 *)(((const uchar *) src) + sbpl);-
240 }
never executed: end of block
0
241}
never executed: end of block
0
242-
243static void qt_blend_argb32_on_rgb16(uchar *destPixels, int dbpl,-
244 const uchar *srcPixels, int sbpl,-
245 int w, int h,-
246 int const_alpha)-
247{-
248 if (const_alpha != 256) {
const_alpha != 256Description
TRUEnever evaluated
FALSEnever evaluated
0
249 qt_blend_argb32_on_rgb16_const_alpha(destPixels, dbpl, srcPixels, sbpl, w, h, const_alpha);-
250 return;
never executed: return;
0
251 }-
252-
253 quint16 *dst = (quint16 *) destPixels;-
254 const quint32 *src = (const quint32 *) srcPixels;-
255-
256 for (int y=0; y<h; ++y) {
y<hDescription
TRUEnever evaluated
FALSEnever evaluated
0
257 for (int x=0; x<w; ++x) {
x<wDescription
TRUEnever evaluated
FALSEnever evaluated
0
258-
259 quint32 spix = src[x];-
260 quint32 alpha = spix >> 24;-
261-
262 if (alpha == 255) {
alpha == 255Description
TRUEnever evaluated
FALSEnever evaluated
0
263 dst[x] = qConvertRgb32To16(spix);-
264 } else if (alpha != 0) {
never executed: end of block
alpha != 0Description
TRUEnever evaluated
FALSEnever evaluated
0
265 quint32 dpix = dst[x];-
266-
267 quint32 sia = 255 - alpha;-
268-
269 quint32 sr = (spix >> 8) & 0xf800;-
270 quint32 sg = (spix >> 5) & 0x07e0;-
271 quint32 sb = (spix >> 3) & 0x001f;-
272-
273 quint32 dr = (dpix & 0x0000f800);-
274 quint32 dg = (dpix & 0x000007e0);-
275 quint32 db = (dpix & 0x0000001f);-
276-
277 quint32 siar = dr * sia;-
278 quint32 siag = dg * sia;-
279 quint32 siab = db * sia;-
280-
281 quint32 rr = sr + ((siar + (siar>>8) + (0x80 << 8)) >> 8);-
282 quint32 rg = sg + ((siag + (siag>>8) + (0x80 << 3)) >> 8);-
283 quint32 rb = sb + ((siab + (siab>>8) + (0x80 >> 3)) >> 8);-
284-
285 dst[x] = (rr & 0xf800)-
286 | (rg & 0x07e0)-
287 | (rb);-
288 }
never executed: end of block
0
289 }
never executed: end of block
0
290 dst = (quint16 *) (((uchar *) dst) + dbpl);-
291 src = (const quint32 *) (((const uchar *) src) + sbpl);-
292 }
never executed: end of block
0
293}
never executed: end of block
0
294-
295-
296static void qt_blend_rgb32_on_rgb16(uchar *destPixels, int dbpl,-
297 const uchar *srcPixels, int sbpl,-
298 int w, int h,-
299 int const_alpha)-
300{-
301#ifdef QT_DEBUG_DRAW-
302 printf("qt_blend_rgb32_on_rgb16: dst=(%p, %d), src=(%p, %d), dim=(%d, %d) alpha=%d\n",-
303 destPixels, dbpl, srcPixels, sbpl, w, h, const_alpha);-
304#endif-
305-
306 if (const_alpha != 256) {
const_alpha != 256Description
TRUEnever evaluated
FALSEnever evaluated
0
307 qt_blend_argb32_on_rgb16(destPixels, dbpl, srcPixels, sbpl, w, h, const_alpha);-
308 return;
never executed: return;
0
309 }-
310-
311 const quint32 *src = (const quint32 *) srcPixels;-
312 int srcExtraStride = (sbpl >> 2) - w;-
313-
314 int dstJPL = dbpl / 2;-
315-
316 quint16 *dst = (quint16 *) destPixels;-
317 quint16 *dstEnd = dst + dstJPL * h;-
318-
319 int dstExtraStride = dstJPL - w;-
320-
321 while (dst < dstEnd) {
dst < dstEndDescription
TRUEnever evaluated
FALSEnever evaluated
0
322 const quint32 *srcEnd = src + w;-
323 while (src < srcEnd) {
src < srcEndDescription
TRUEnever evaluated
FALSEnever evaluated
0
324 *dst = qConvertRgb32To16(*src);-
325 ++dst;-
326 ++src;-
327 }
never executed: end of block
0
328 dst += dstExtraStride;-
329 src += srcExtraStride;-
330 }
never executed: end of block
0
331}
never executed: end of block
0
332-
333-
334-
335/************************************************************************-
336 RGB32 (-888) format target format-
337 ************************************************************************/-
338-
339static void qt_blend_argb32_on_argb32(uchar *destPixels, int dbpl,-
340 const uchar *srcPixels, int sbpl,-
341 int w, int h,-
342 int const_alpha)-
343{-
344#ifdef QT_DEBUG_DRAW-
345 fprintf(stdout, "qt_blend_argb32_on_argb32: dst=(%p, %d), src=(%p, %d), dim=(%d, %d) alpha=%d\n",-
346 destPixels, dbpl, srcPixels, sbpl, w, h, const_alpha);-
347 fflush(stdout);-
348#endif-
349-
350 const uint *src = (const uint *) srcPixels;-
351 uint *dst = (uint *) destPixels;-
352 if (const_alpha == 256) {
const_alpha == 256Description
TRUEnever evaluated
FALSEnever evaluated
0
353 for (int y=0; y<h; ++y) {
y<hDescription
TRUEnever evaluated
FALSEnever evaluated
0
354 for (int x=0; x<w; ++x) {
x<wDescription
TRUEnever evaluated
FALSEnever evaluated
0
355 uint s = src[x];-
356 if (s >= 0xff000000)
s >= 0xff000000Description
TRUEnever evaluated
FALSEnever evaluated
0
357 dst[x] = s;
never executed: dst[x] = s;
0
358 else if (s != 0)
s != 0Description
TRUEnever evaluated
FALSEnever evaluated
0
359 dst[x] = s + BYTE_MUL(dst[x], qAlpha(~s));
never executed: dst[x] = s + BYTE_MUL(dst[x], qAlpha(~s));
0
360 }
never executed: end of block
0
361 dst = (quint32 *)(((uchar *) dst) + dbpl);-
362 src = (const quint32 *)(((const uchar *) src) + sbpl);-
363 }
never executed: end of block
0
364 } else if (const_alpha != 0) {
never executed: end of block
const_alpha != 0Description
TRUEnever evaluated
FALSEnever evaluated
0
365 const_alpha = (const_alpha * 255) >> 8;-
366 for (int y=0; y<h; ++y) {
y<hDescription
TRUEnever evaluated
FALSEnever evaluated
0
367 for (int x=0; x<w; ++x) {
x<wDescription
TRUEnever evaluated
FALSEnever evaluated
0
368 uint s = BYTE_MUL(src[x], const_alpha);-
369 dst[x] = s + BYTE_MUL(dst[x], qAlpha(~s));-
370 }
never executed: end of block
0
371 dst = (quint32 *)(((uchar *) dst) + dbpl);-
372 src = (const quint32 *)(((const uchar *) src) + sbpl);-
373 }
never executed: end of block
0
374 }
never executed: end of block
0
375}
never executed: end of block
0
376-
377-
378void qt_blend_rgb32_on_rgb32(uchar *destPixels, int dbpl,-
379 const uchar *srcPixels, int sbpl,-
380 int w, int h,-
381 int const_alpha)-
382{-
383#ifdef QT_DEBUG_DRAW-
384 fprintf(stdout, "qt_blend_rgb32_on_rgb32: dst=(%p, %d), src=(%p, %d), dim=(%d, %d) alpha=%d\n",-
385 destPixels, dbpl, srcPixels, sbpl, w, h, const_alpha);-
386 fflush(stdout);-
387#endif-
388-
389 if (const_alpha != 256) {
const_alpha != 256Description
TRUEnever evaluated
FALSEnever evaluated
0
390 qt_blend_argb32_on_argb32(destPixels, dbpl, srcPixels, sbpl, w, h, const_alpha);-
391 return;
never executed: return;
0
392 }-
393-
394 const uint *src = (const uint *) srcPixels;-
395 uint *dst = (uint *) destPixels;-
396 int len = w * 4;-
397 for (int y=0; y<h; ++y) {
y<hDescription
TRUEnever evaluated
FALSEnever evaluated
0
398 memcpy(dst, src, len);-
399 dst = (quint32 *)(((uchar *) dst) + dbpl);-
400 src = (const quint32 *)(((const uchar *) src) + sbpl);-
401 }
never executed: end of block
0
402}
never executed: end of block
0
403-
404struct Blend_RGB32_on_RGB32_NoAlpha {-
405 inline void write(quint32 *dst, quint32 src) { *dst = src; }
never executed: end of block
0
406-
407 inline void flush(void *) {}-
408};-
409-
410struct Blend_RGB32_on_RGB32_ConstAlpha {-
411 inline Blend_RGB32_on_RGB32_ConstAlpha(quint32 alpha) {-
412 m_alpha = (alpha * 255) >> 8;-
413 m_ialpha = 255 - m_alpha;-
414 }
never executed: end of block
0
415-
416 inline void write(quint32 *dst, quint32 src) {-
417 *dst = BYTE_MUL(src, m_alpha) + BYTE_MUL(*dst, m_ialpha);-
418 }
never executed: end of block
0
419-
420 inline void flush(void *) {}-
421-
422 quint32 m_alpha;-
423 quint32 m_ialpha;-
424};-
425-
426struct Blend_ARGB32_on_ARGB32_SourceAlpha {-
427 inline void write(quint32 *dst, quint32 src) {-
428 *dst = src + BYTE_MUL(*dst, qAlpha(~src));-
429 }
never executed: end of block
0
430-
431 inline void flush(void *) {}-
432};-
433-
434struct Blend_ARGB32_on_ARGB32_SourceAndConstAlpha {-
435 inline Blend_ARGB32_on_ARGB32_SourceAndConstAlpha(quint32 alpha) {-
436 m_alpha = (alpha * 255) >> 8;-
437 m_ialpha = 255 - m_alpha;-
438 }
never executed: end of block
0
439-
440 inline void write(quint32 *dst, quint32 src) {-
441 src = BYTE_MUL(src, m_alpha);-
442 *dst = src + BYTE_MUL(*dst, qAlpha(~src));-
443 }
never executed: end of block
0
444-
445 inline void flush(void *) {}-
446-
447 quint32 m_alpha;-
448 quint32 m_ialpha;-
449};-
450-
451void qt_scale_image_rgb32_on_rgb32(uchar *destPixels, int dbpl,-
452 const uchar *srcPixels, int sbpl, int srch,-
453 const QRectF &targetRect,-
454 const QRectF &sourceRect,-
455 const QRect &clip,-
456 int const_alpha)-
457{-
458#ifdef QT_DEBUG_DRAW-
459 printf("qt_scale_rgb32_on_rgb32: dst=(%p, %d), src=(%p, %d), target=(%d, %d), [%d x %d], src=(%d, %d) [%d x %d] alpha=%d\n",-
460 destPixels, dbpl, srcPixels, sbpl,-
461 targetRect.x(), targetRect.y(), targetRect.width(), targetRect.height(),-
462 sourceRect.x(), sourceRect.y(), sourceRect.width(), sourceRect.height(),-
463 const_alpha);-
464#endif-
465 if (const_alpha == 256) {
const_alpha == 256Description
TRUEnever evaluated
FALSEnever evaluated
0
466 Blend_RGB32_on_RGB32_NoAlpha noAlpha;-
467 qt_scale_image_32bit(destPixels, dbpl, srcPixels, sbpl, srch,-
468 targetRect, sourceRect, clip, noAlpha);-
469 } else {
never executed: end of block
0
470 Blend_RGB32_on_RGB32_ConstAlpha constAlpha(const_alpha);-
471 qt_scale_image_32bit(destPixels, dbpl, srcPixels, sbpl, srch,-
472 targetRect, sourceRect, clip, constAlpha);-
473 }
never executed: end of block
0
474}-
475-
476void qt_scale_image_argb32_on_argb32(uchar *destPixels, int dbpl,-
477 const uchar *srcPixels, int sbpl, int srch,-
478 const QRectF &targetRect,-
479 const QRectF &sourceRect,-
480 const QRect &clip,-
481 int const_alpha)-
482{-
483#ifdef QT_DEBUG_DRAW-
484 printf("qt_scale_argb32_on_argb32: dst=(%p, %d), src=(%p, %d), target=(%d, %d), [%d x %d], src=(%d, %d) [%d x %d] alpha=%d\n",-
485 destPixels, dbpl, srcPixels, sbpl,-
486 targetRect.x(), targetRect.y(), targetRect.width(), targetRect.height(),-
487 sourceRect.x(), sourceRect.y(), sourceRect.width(), sourceRect.height(),-
488 const_alpha);-
489#endif-
490 if (const_alpha == 256) {
const_alpha == 256Description
TRUEnever evaluated
FALSEnever evaluated
0
491 Blend_ARGB32_on_ARGB32_SourceAlpha sourceAlpha;-
492 qt_scale_image_32bit(destPixels, dbpl, srcPixels, sbpl, srch,-
493 targetRect, sourceRect, clip, sourceAlpha);-
494 } else {
never executed: end of block
0
495 Blend_ARGB32_on_ARGB32_SourceAndConstAlpha constAlpha(const_alpha);-
496 qt_scale_image_32bit(destPixels, dbpl, srcPixels, sbpl, srch,-
497 targetRect, sourceRect, clip, constAlpha);-
498 }
never executed: end of block
0
499}-
500-
501void qt_transform_image_rgb16_on_rgb16(uchar *destPixels, int dbpl,-
502 const uchar *srcPixels, int sbpl,-
503 const QRectF &targetRect,-
504 const QRectF &sourceRect,-
505 const QRect &clip,-
506 const QTransform &targetRectTransform,-
507 int const_alpha)-
508{-
509 if (const_alpha == 256) {
const_alpha == 256Description
TRUEnever evaluated
FALSEnever evaluated
0
510 Blend_RGB16_on_RGB16_NoAlpha noAlpha;-
511 qt_transform_image(reinterpret_cast<quint16 *>(destPixels), dbpl,-
512 reinterpret_cast<const quint16 *>(srcPixels), sbpl,-
513 targetRect, sourceRect, clip, targetRectTransform, noAlpha);-
514 } else {
never executed: end of block
0
515 Blend_RGB16_on_RGB16_ConstAlpha constAlpha(const_alpha);-
516 qt_transform_image(reinterpret_cast<quint16 *>(destPixels), dbpl,-
517 reinterpret_cast<const quint16 *>(srcPixels), sbpl,-
518 targetRect, sourceRect, clip, targetRectTransform, constAlpha);-
519 }
never executed: end of block
0
520}-
521-
522void qt_transform_image_argb32_on_rgb16(uchar *destPixels, int dbpl,-
523 const uchar *srcPixels, int sbpl,-
524 const QRectF &targetRect,-
525 const QRectF &sourceRect,-
526 const QRect &clip,-
527 const QTransform &targetRectTransform,-
528 int const_alpha)-
529{-
530 if (const_alpha == 256) {
const_alpha == 256Description
TRUEnever evaluated
FALSEnever evaluated
0
531 Blend_ARGB32_on_RGB16_SourceAlpha noAlpha;-
532 qt_transform_image(reinterpret_cast<quint16 *>(destPixels), dbpl,-
533 reinterpret_cast<const quint32 *>(srcPixels), sbpl,-
534 targetRect, sourceRect, clip, targetRectTransform, noAlpha);-
535 } else {
never executed: end of block
0
536 Blend_ARGB32_on_RGB16_SourceAndConstAlpha constAlpha(const_alpha);-
537 qt_transform_image(reinterpret_cast<quint16 *>(destPixels), dbpl,-
538 reinterpret_cast<const quint32 *>(srcPixels), sbpl,-
539 targetRect, sourceRect, clip, targetRectTransform, constAlpha);-
540 }
never executed: end of block
0
541}-
542-
543-
544void qt_transform_image_rgb32_on_rgb32(uchar *destPixels, int dbpl,-
545 const uchar *srcPixels, int sbpl,-
546 const QRectF &targetRect,-
547 const QRectF &sourceRect,-
548 const QRect &clip,-
549 const QTransform &targetRectTransform,-
550 int const_alpha)-
551{-
552 if (const_alpha == 256) {
const_alpha == 256Description
TRUEnever evaluated
FALSEnever evaluated
0
553 Blend_RGB32_on_RGB32_NoAlpha noAlpha;-
554 qt_transform_image(reinterpret_cast<quint32 *>(destPixels), dbpl,-
555 reinterpret_cast<const quint32 *>(srcPixels), sbpl,-
556 targetRect, sourceRect, clip, targetRectTransform, noAlpha);-
557 } else {
never executed: end of block
0
558 Blend_RGB32_on_RGB32_ConstAlpha constAlpha(const_alpha);-
559 qt_transform_image(reinterpret_cast<quint32 *>(destPixels), dbpl,-
560 reinterpret_cast<const quint32 *>(srcPixels), sbpl,-
561 targetRect, sourceRect, clip, targetRectTransform, constAlpha);-
562 }
never executed: end of block
0
563}-
564-
565void qt_transform_image_argb32_on_argb32(uchar *destPixels, int dbpl,-
566 const uchar *srcPixels, int sbpl,-
567 const QRectF &targetRect,-
568 const QRectF &sourceRect,-
569 const QRect &clip,-
570 const QTransform &targetRectTransform,-
571 int const_alpha)-
572{-
573 if (const_alpha == 256) {
const_alpha == 256Description
TRUEnever evaluated
FALSEnever evaluated
0
574 Blend_ARGB32_on_ARGB32_SourceAlpha sourceAlpha;-
575 qt_transform_image(reinterpret_cast<quint32 *>(destPixels), dbpl,-
576 reinterpret_cast<const quint32 *>(srcPixels), sbpl,-
577 targetRect, sourceRect, clip, targetRectTransform, sourceAlpha);-
578 } else {
never executed: end of block
0
579 Blend_ARGB32_on_ARGB32_SourceAndConstAlpha constAlpha(const_alpha);-
580 qt_transform_image(reinterpret_cast<quint32 *>(destPixels), dbpl,-
581 reinterpret_cast<const quint32 *>(srcPixels), sbpl,-
582 targetRect, sourceRect, clip, targetRectTransform, constAlpha);-
583 }
never executed: end of block
0
584}-
585-
586SrcOverScaleFunc qScaleFunctions[QImage::NImageFormats][QImage::NImageFormats];-
587SrcOverBlendFunc qBlendFunctions[QImage::NImageFormats][QImage::NImageFormats];-
588SrcOverTransformFunc qTransformFunctions[QImage::NImageFormats][QImage::NImageFormats];-
589-
590void qInitBlendFunctions()-
591{-
592 qScaleFunctions[QImage::Format_RGB32][QImage::Format_RGB32] = qt_scale_image_rgb32_on_rgb32;-
593 qScaleFunctions[QImage::Format_RGB32][QImage::Format_ARGB32_Premultiplied] = qt_scale_image_argb32_on_argb32;-
594 qScaleFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_RGB32] = qt_scale_image_rgb32_on_rgb32;-
595 qScaleFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_ARGB32_Premultiplied] = qt_scale_image_argb32_on_argb32;-
596 qScaleFunctions[QImage::Format_RGB16][QImage::Format_ARGB32_Premultiplied] = qt_scale_image_argb32_on_rgb16;-
597 qScaleFunctions[QImage::Format_RGB16][QImage::Format_RGB16] = qt_scale_image_rgb16_on_rgb16;-
598#if Q_BYTE_ORDER == Q_LITTLE_ENDIAN-
599 qScaleFunctions[QImage::Format_RGBX8888][QImage::Format_RGBX8888] = qt_scale_image_rgb32_on_rgb32;-
600 qScaleFunctions[QImage::Format_RGBX8888][QImage::Format_RGBA8888_Premultiplied] = qt_scale_image_argb32_on_argb32;-
601 qScaleFunctions[QImage::Format_RGBA8888_Premultiplied][QImage::Format_RGBX8888] = qt_scale_image_rgb32_on_rgb32;-
602 qScaleFunctions[QImage::Format_RGBA8888_Premultiplied][QImage::Format_RGBA8888_Premultiplied] = qt_scale_image_argb32_on_argb32;-
603#endif-
604-
605 qBlendFunctions[QImage::Format_RGB32][QImage::Format_RGB32] = qt_blend_rgb32_on_rgb32;-
606 qBlendFunctions[QImage::Format_RGB32][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_argb32;-
607 qBlendFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_RGB32] = qt_blend_rgb32_on_rgb32;-
608 qBlendFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_argb32;-
609 qBlendFunctions[QImage::Format_RGB16][QImage::Format_RGB32] = qt_blend_rgb32_on_rgb16;-
610 qBlendFunctions[QImage::Format_RGB16][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_rgb16;-
611 qBlendFunctions[QImage::Format_RGB16][QImage::Format_RGB16] = qt_blend_rgb16_on_rgb16;-
612#if Q_BYTE_ORDER == Q_LITTLE_ENDIAN-
613 qBlendFunctions[QImage::Format_RGBX8888][QImage::Format_RGBX8888] = qt_blend_rgb32_on_rgb32;-
614 qBlendFunctions[QImage::Format_RGBX8888][QImage::Format_RGBA8888_Premultiplied] = qt_blend_argb32_on_argb32;-
615 qBlendFunctions[QImage::Format_RGBA8888_Premultiplied][QImage::Format_RGBX8888] = qt_blend_rgb32_on_rgb32;-
616 qBlendFunctions[QImage::Format_RGBA8888_Premultiplied][QImage::Format_RGBA8888_Premultiplied] = qt_blend_argb32_on_argb32;-
617#endif-
618-
619 qTransformFunctions[QImage::Format_RGB32][QImage::Format_RGB32] = qt_transform_image_rgb32_on_rgb32;-
620 qTransformFunctions[QImage::Format_RGB32][QImage::Format_ARGB32_Premultiplied] = qt_transform_image_argb32_on_argb32;-
621 qTransformFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_RGB32] = qt_transform_image_rgb32_on_rgb32;-
622 qTransformFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_ARGB32_Premultiplied] = qt_transform_image_argb32_on_argb32;-
623 qTransformFunctions[QImage::Format_RGB16][QImage::Format_ARGB32_Premultiplied] = qt_transform_image_argb32_on_rgb16;-
624 qTransformFunctions[QImage::Format_RGB16][QImage::Format_RGB16] = qt_transform_image_rgb16_on_rgb16;-
625#if Q_BYTE_ORDER == Q_LITTLE_ENDIAN-
626 qTransformFunctions[QImage::Format_RGBX8888][QImage::Format_RGBX8888] = qt_transform_image_rgb32_on_rgb32;-
627 qTransformFunctions[QImage::Format_RGBX8888][QImage::Format_RGBA8888_Premultiplied] = qt_transform_image_argb32_on_argb32;-
628 qTransformFunctions[QImage::Format_RGBA8888_Premultiplied][QImage::Format_RGBX8888] = qt_transform_image_rgb32_on_rgb32;-
629 qTransformFunctions[QImage::Format_RGBA8888_Premultiplied][QImage::Format_RGBA8888_Premultiplied] = qt_transform_image_argb32_on_argb32;-
630#endif-
631}
never executed: end of block
0
632-
633QT_END_NAMESPACE-
Source codeSwitch to Preprocessed file
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