Absolute File Name: | /home/qt/qt5_coco/qt5/qtbase/src/gui/painting/qblendfunctions.cpp |
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1 | /**************************************************************************** | - | ||||||
2 | ** | - | ||||||
3 | ** Copyright (C) 2015 The Qt Company Ltd. | - | ||||||
4 | ** Contact: http://www.qt.io/licensing/ | - | ||||||
5 | ** | - | ||||||
6 | ** This file is part of the QtGui module of the Qt Toolkit. | - | ||||||
7 | ** | - | ||||||
8 | ** $QT_BEGIN_LICENSE:LGPL21$ | - | ||||||
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 http://www.qt.io/terms-conditions. For further | - | ||||||
15 | ** information use the contact form at http://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 2.1 or version 3 as published by the Free | - | ||||||
20 | ** Software Foundation and appearing in the file LICENSE.LGPLv21 and | - | ||||||
21 | ** LICENSE.LGPLv3 included in the packaging of this file. Please review the | - | ||||||
22 | ** following information to ensure the GNU Lesser General Public License | - | ||||||
23 | ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and | - | ||||||
24 | ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | - | ||||||
25 | ** | - | ||||||
26 | ** As a special exception, The Qt Company gives you certain additional | - | ||||||
27 | ** rights. These rights are described in The Qt Company LGPL Exception | - | ||||||
28 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | - | ||||||
29 | ** | - | ||||||
30 | ** $QT_END_LICENSE$ | - | ||||||
31 | ** | - | ||||||
32 | ****************************************************************************/ | - | ||||||
33 | - | |||||||
34 | #include <qmath.h> | - | ||||||
35 | #include "qblendfunctions_p.h" | - | ||||||
36 | - | |||||||
37 | QT_BEGIN_NAMESPACE | - | ||||||
38 | - | |||||||
39 | struct SourceOnlyAlpha | - | ||||||
40 | { | - | ||||||
41 | inline uchar alpha(uchar src) const { return src; } never executed: return src; | 0 | ||||||
42 | inline quint16 bytemul(quint16 spix) const { return spix; } never executed: return spix; | 0 | ||||||
43 | }; | - | ||||||
44 | - | |||||||
45 | - | |||||||
46 | struct SourceAndConstAlpha | - | ||||||
47 | { | - | ||||||
48 | SourceAndConstAlpha(int a) : m_alpha256(a) { | - | ||||||
49 | m_alpha255 = (m_alpha256 * 255) >> 8; | - | ||||||
50 | }; never executed: end of block | 0 | ||||||
51 | inline uchar alpha(uchar src) const { return (src * m_alpha256) >> 8; } never executed: return (src * m_alpha256) >> 8; | 0 | ||||||
52 | inline quint16 bytemul(quint16 x) const { | - | ||||||
53 | uint t = (((x & 0x07e0)*m_alpha255) >> 8) & 0x07e0; | - | ||||||
54 | t |= (((x & 0xf81f)*(m_alpha255>>2)) >> 6) & 0xf81f; | - | ||||||
55 | return t; never executed: return t; | 0 | ||||||
56 | } | - | ||||||
57 | int m_alpha255; | - | ||||||
58 | int m_alpha256; | - | ||||||
59 | }; | - | ||||||
60 | - | |||||||
61 | - | |||||||
62 | /************************************************************************ | - | ||||||
63 | RGB16 (565) format target format | - | ||||||
64 | ************************************************************************/ | - | ||||||
65 | - | |||||||
66 | struct Blend_RGB16_on_RGB16_NoAlpha { | - | ||||||
67 | inline void write(quint16 *dst, quint16 src) { *dst = src; } never executed: end of block | 0 | ||||||
68 | - | |||||||
69 | inline void flush(void *) {} | - | ||||||
70 | }; | - | ||||||
71 | - | |||||||
72 | struct Blend_RGB16_on_RGB16_ConstAlpha { | - | ||||||
73 | inline Blend_RGB16_on_RGB16_ConstAlpha(quint32 alpha) { | - | ||||||
74 | m_alpha = (alpha * 255) >> 8; | - | ||||||
75 | m_ialpha = 255 - m_alpha; | - | ||||||
76 | } never executed: end of block | 0 | ||||||
77 | - | |||||||
78 | inline void write(quint16 *dst, quint16 src) { | - | ||||||
79 | *dst = BYTE_MUL_RGB16(src, m_alpha) + BYTE_MUL_RGB16(*dst, m_ialpha); | - | ||||||
80 | } never executed: end of block | 0 | ||||||
81 | - | |||||||
82 | inline void flush(void *) {} | - | ||||||
83 | - | |||||||
84 | quint32 m_alpha; | - | ||||||
85 | quint32 m_ialpha; | - | ||||||
86 | }; | - | ||||||
87 | - | |||||||
88 | struct Blend_ARGB32_on_RGB16_SourceAlpha { | - | ||||||
89 | inline void write(quint16 *dst, quint32 src) { | - | ||||||
90 | const quint8 alpha = qAlpha(src); | - | ||||||
91 | if (alpha) {
| 0 | ||||||
92 | quint16 s = qConvertRgb32To16(src); | - | ||||||
93 | if(alpha < 255)
| 0 | ||||||
94 | s += BYTE_MUL_RGB16(*dst, 255 - alpha); never executed: s += BYTE_MUL_RGB16(*dst, 255 - alpha); | 0 | ||||||
95 | *dst = s; | - | ||||||
96 | } never executed: end of block | 0 | ||||||
97 | } never executed: end of block | 0 | ||||||
98 | - | |||||||
99 | inline void flush(void *) {} | - | ||||||
100 | }; | - | ||||||
101 | - | |||||||
102 | struct Blend_ARGB32_on_RGB16_SourceAndConstAlpha { | - | ||||||
103 | inline Blend_ARGB32_on_RGB16_SourceAndConstAlpha(quint32 alpha) { | - | ||||||
104 | m_alpha = (alpha * 255) >> 8; | - | ||||||
105 | } never executed: end of block | 0 | ||||||
106 | - | |||||||
107 | inline void write(quint16 *dst, quint32 src) { | - | ||||||
108 | src = BYTE_MUL(src, m_alpha); | - | ||||||
109 | const quint8 alpha = qAlpha(src); | - | ||||||
110 | if(alpha) {
| 0 | ||||||
111 | quint16 s = qConvertRgb32To16(src); | - | ||||||
112 | if(alpha < 255)
| 0 | ||||||
113 | s += BYTE_MUL_RGB16(*dst, 255 - alpha); never executed: s += BYTE_MUL_RGB16(*dst, 255 - alpha); | 0 | ||||||
114 | *dst = s; | - | ||||||
115 | } never executed: end of block | 0 | ||||||
116 | } never executed: end of block | 0 | ||||||
117 | - | |||||||
118 | inline void flush(void *) {} | - | ||||||
119 | - | |||||||
120 | quint32 m_alpha; | - | ||||||
121 | }; | - | ||||||
122 | - | |||||||
123 | void qt_scale_image_rgb16_on_rgb16(uchar *destPixels, int dbpl, | - | ||||||
124 | const uchar *srcPixels, int sbpl, int srch, | - | ||||||
125 | const QRectF &targetRect, | - | ||||||
126 | const QRectF &sourceRect, | - | ||||||
127 | const QRect &clip, | - | ||||||
128 | int const_alpha) | - | ||||||
129 | { | - | ||||||
130 | #ifdef QT_DEBUG_DRAW | - | ||||||
131 | 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", | - | ||||||
132 | destPixels, dbpl, srcPixels, sbpl, | - | ||||||
133 | targetRect.x(), targetRect.y(), targetRect.width(), targetRect.height(), | - | ||||||
134 | sourceRect.x(), sourceRect.y(), sourceRect.width(), sourceRect.height(), | - | ||||||
135 | const_alpha); | - | ||||||
136 | #endif | - | ||||||
137 | if (const_alpha == 256) {
| 0 | ||||||
138 | Blend_RGB16_on_RGB16_NoAlpha noAlpha; | - | ||||||
139 | qt_scale_image_16bit<quint16>(destPixels, dbpl, srcPixels, sbpl, srch, | - | ||||||
140 | targetRect, sourceRect, clip, noAlpha); | - | ||||||
141 | } else { never executed: end of block | 0 | ||||||
142 | Blend_RGB16_on_RGB16_ConstAlpha constAlpha(const_alpha); | - | ||||||
143 | qt_scale_image_16bit<quint16>(destPixels, dbpl, srcPixels, sbpl, srch, | - | ||||||
144 | targetRect, sourceRect, clip, constAlpha); | - | ||||||
145 | } never executed: end of block | 0 | ||||||
146 | } | - | ||||||
147 | - | |||||||
148 | void qt_scale_image_argb32_on_rgb16(uchar *destPixels, int dbpl, | - | ||||||
149 | const uchar *srcPixels, int sbpl, int srch, | - | ||||||
150 | const QRectF &targetRect, | - | ||||||
151 | const QRectF &sourceRect, | - | ||||||
152 | const QRect &clip, | - | ||||||
153 | int const_alpha) | - | ||||||
154 | { | - | ||||||
155 | #ifdef QT_DEBUG_DRAW | - | ||||||
156 | 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", | - | ||||||
157 | destPixels, dbpl, srcPixels, sbpl, | - | ||||||
158 | targetRect.x(), targetRect.y(), targetRect.width(), targetRect.height(), | - | ||||||
159 | sourceRect.x(), sourceRect.y(), sourceRect.width(), sourceRect.height(), | - | ||||||
160 | const_alpha); | - | ||||||
161 | #endif | - | ||||||
162 | if (const_alpha == 256) {
| 0 | ||||||
163 | Blend_ARGB32_on_RGB16_SourceAlpha noAlpha; | - | ||||||
164 | qt_scale_image_16bit<quint32>(destPixels, dbpl, srcPixels, sbpl, srch, | - | ||||||
165 | targetRect, sourceRect, clip, noAlpha); | - | ||||||
166 | } else { never executed: end of block | 0 | ||||||
167 | Blend_ARGB32_on_RGB16_SourceAndConstAlpha constAlpha(const_alpha); | - | ||||||
168 | qt_scale_image_16bit<quint32>(destPixels, dbpl, srcPixels, sbpl, srch, | - | ||||||
169 | targetRect, sourceRect, clip, constAlpha); | - | ||||||
170 | } never executed: end of block | 0 | ||||||
171 | } | - | ||||||
172 | - | |||||||
173 | void qt_blend_rgb16_on_rgb16(uchar *dst, int dbpl, | - | ||||||
174 | const uchar *src, int sbpl, | - | ||||||
175 | int w, int h, | - | ||||||
176 | int const_alpha) | - | ||||||
177 | { | - | ||||||
178 | #ifdef QT_DEBUG_DRAW | - | ||||||
179 | printf("qt_blend_rgb16_on_rgb16: dst=(%p, %d), src=(%p, %d), dim=(%d, %d) alpha=%d\n", | - | ||||||
180 | dst, dbpl, src, sbpl, w, h, const_alpha); | - | ||||||
181 | #endif | - | ||||||
182 | - | |||||||
183 | if (const_alpha == 256) {
| 0 | ||||||
184 | if (w <= 64) {
| 0 | ||||||
185 | while (h--) {
| 0 | ||||||
186 | QT_MEMCPY_USHORT(dst, src, w); never executed: end of block never executed: end of block
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 | ||||||
187 | dst += dbpl; | - | ||||||
188 | src += sbpl; | - | ||||||
189 | } never executed: end of block | 0 | ||||||
190 | } else { never executed: end of block | 0 | ||||||
191 | int length = w << 1; | - | ||||||
192 | while (h--) {
| 0 | ||||||
193 | memcpy(dst, src, length); | - | ||||||
194 | dst += dbpl; | - | ||||||
195 | src += sbpl; | - | ||||||
196 | } never executed: end of block | 0 | ||||||
197 | } never executed: end of block | 0 | ||||||
198 | } else if (const_alpha != 0) {
| 0 | ||||||
199 | quint16 *d = (quint16 *) dst; | - | ||||||
200 | const quint16 *s = (const quint16 *) src; | - | ||||||
201 | quint8 a = (255 * const_alpha) >> 8; | - | ||||||
202 | quint8 ia = 255 - a; | - | ||||||
203 | while (h--) {
| 0 | ||||||
204 | for (int x=0; x<w; ++x) {
| 0 | ||||||
205 | d[x] = BYTE_MUL_RGB16(s[x], a) + BYTE_MUL_RGB16(d[x], ia); | - | ||||||
206 | } never executed: end of block | 0 | ||||||
207 | d = (quint16 *)(((uchar *) d) + dbpl); | - | ||||||
208 | s = (const quint16 *)(((const uchar *) s) + sbpl); | - | ||||||
209 | } never executed: end of block | 0 | ||||||
210 | } never executed: end of block | 0 | ||||||
211 | } never executed: end of block | 0 | ||||||
212 | - | |||||||
213 | - | |||||||
214 | void qt_blend_argb32_on_rgb16_const_alpha(uchar *destPixels, int dbpl, | - | ||||||
215 | const uchar *srcPixels, int sbpl, | - | ||||||
216 | int w, int h, | - | ||||||
217 | int const_alpha) | - | ||||||
218 | { | - | ||||||
219 | quint16 *dst = (quint16 *) destPixels; | - | ||||||
220 | const quint32 *src = (const quint32 *) srcPixels; | - | ||||||
221 | - | |||||||
222 | const_alpha = (const_alpha * 255) >> 8; | - | ||||||
223 | for (int y=0; y<h; ++y) {
| 0 | ||||||
224 | for (int i = 0; i < w; ++i) {
| 0 | ||||||
225 | uint s = src[i]; | - | ||||||
226 | s = BYTE_MUL(s, const_alpha); | - | ||||||
227 | int alpha = qAlpha(s); | - | ||||||
228 | s = qConvertRgb32To16(s); | - | ||||||
229 | s += BYTE_MUL_RGB16(dst[i], 255 - alpha); | - | ||||||
230 | dst[i] = s; | - | ||||||
231 | } never executed: end of block | 0 | ||||||
232 | dst = (quint16 *)(((uchar *) dst) + dbpl); | - | ||||||
233 | src = (const quint32 *)(((const uchar *) src) + sbpl); | - | ||||||
234 | } never executed: end of block | 0 | ||||||
235 | } never executed: end of block | 0 | ||||||
236 | - | |||||||
237 | static void qt_blend_argb32_on_rgb16(uchar *destPixels, int dbpl, | - | ||||||
238 | const uchar *srcPixels, int sbpl, | - | ||||||
239 | int w, int h, | - | ||||||
240 | int const_alpha) | - | ||||||
241 | { | - | ||||||
242 | if (const_alpha != 256) {
| 0 | ||||||
243 | qt_blend_argb32_on_rgb16_const_alpha(destPixels, dbpl, srcPixels, sbpl, w, h, const_alpha); | - | ||||||
244 | return; never executed: return; | 0 | ||||||
245 | } | - | ||||||
246 | - | |||||||
247 | quint16 *dst = (quint16 *) destPixels; | - | ||||||
248 | const quint32 *src = (const quint32 *) srcPixels; | - | ||||||
249 | - | |||||||
250 | for (int y=0; y<h; ++y) {
| 0 | ||||||
251 | for (int x=0; x<w; ++x) {
| 0 | ||||||
252 | - | |||||||
253 | quint32 spix = src[x]; | - | ||||||
254 | quint32 alpha = spix >> 24; | - | ||||||
255 | - | |||||||
256 | if (alpha == 255) {
| 0 | ||||||
257 | dst[x] = qConvertRgb32To16(spix); | - | ||||||
258 | } else if (alpha != 0) { never executed: end of block
| 0 | ||||||
259 | quint32 dpix = dst[x]; | - | ||||||
260 | - | |||||||
261 | quint32 sia = 255 - alpha; | - | ||||||
262 | - | |||||||
263 | quint32 sr = (spix >> 8) & 0xf800; | - | ||||||
264 | quint32 sg = (spix >> 5) & 0x07e0; | - | ||||||
265 | quint32 sb = (spix >> 3) & 0x001f; | - | ||||||
266 | - | |||||||
267 | quint32 dr = (dpix & 0x0000f800); | - | ||||||
268 | quint32 dg = (dpix & 0x000007e0); | - | ||||||
269 | quint32 db = (dpix & 0x0000001f); | - | ||||||
270 | - | |||||||
271 | quint32 siar = dr * sia; | - | ||||||
272 | quint32 siag = dg * sia; | - | ||||||
273 | quint32 siab = db * sia; | - | ||||||
274 | - | |||||||
275 | quint32 rr = sr + ((siar + (siar>>8) + (0x80 << 8)) >> 8); | - | ||||||
276 | quint32 rg = sg + ((siag + (siag>>8) + (0x80 << 3)) >> 8); | - | ||||||
277 | quint32 rb = sb + ((siab + (siab>>8) + (0x80 >> 3)) >> 8); | - | ||||||
278 | - | |||||||
279 | dst[x] = (rr & 0xf800) | - | ||||||
280 | | (rg & 0x07e0) | - | ||||||
281 | | (rb); | - | ||||||
282 | } never executed: end of block | 0 | ||||||
283 | } never executed: end of block | 0 | ||||||
284 | dst = (quint16 *) (((uchar *) dst) + dbpl); | - | ||||||
285 | src = (const quint32 *) (((const uchar *) src) + sbpl); | - | ||||||
286 | } never executed: end of block | 0 | ||||||
287 | } never executed: end of block | 0 | ||||||
288 | - | |||||||
289 | - | |||||||
290 | static void qt_blend_rgb32_on_rgb16(uchar *destPixels, int dbpl, | - | ||||||
291 | const uchar *srcPixels, int sbpl, | - | ||||||
292 | int w, int h, | - | ||||||
293 | int const_alpha) | - | ||||||
294 | { | - | ||||||
295 | #ifdef QT_DEBUG_DRAW | - | ||||||
296 | printf("qt_blend_rgb32_on_rgb16: dst=(%p, %d), src=(%p, %d), dim=(%d, %d) alpha=%d\n", | - | ||||||
297 | destPixels, dbpl, srcPixels, sbpl, w, h, const_alpha); | - | ||||||
298 | #endif | - | ||||||
299 | - | |||||||
300 | if (const_alpha != 256) {
| 0 | ||||||
301 | qt_blend_argb32_on_rgb16(destPixels, dbpl, srcPixels, sbpl, w, h, const_alpha); | - | ||||||
302 | return; never executed: return; | 0 | ||||||
303 | } | - | ||||||
304 | - | |||||||
305 | const quint32 *src = (const quint32 *) srcPixels; | - | ||||||
306 | int srcExtraStride = (sbpl >> 2) - w; | - | ||||||
307 | - | |||||||
308 | int dstJPL = dbpl / 2; | - | ||||||
309 | - | |||||||
310 | quint16 *dst = (quint16 *) destPixels; | - | ||||||
311 | quint16 *dstEnd = dst + dstJPL * h; | - | ||||||
312 | - | |||||||
313 | int dstExtraStride = dstJPL - w; | - | ||||||
314 | - | |||||||
315 | while (dst < dstEnd) {
| 0 | ||||||
316 | const quint32 *srcEnd = src + w; | - | ||||||
317 | while (src < srcEnd) {
| 0 | ||||||
318 | *dst = qConvertRgb32To16(*src); | - | ||||||
319 | ++dst; | - | ||||||
320 | ++src; | - | ||||||
321 | } never executed: end of block | 0 | ||||||
322 | dst += dstExtraStride; | - | ||||||
323 | src += srcExtraStride; | - | ||||||
324 | } never executed: end of block | 0 | ||||||
325 | } never executed: end of block | 0 | ||||||
326 | - | |||||||
327 | - | |||||||
328 | - | |||||||
329 | /************************************************************************ | - | ||||||
330 | RGB32 (-888) format target format | - | ||||||
331 | ************************************************************************/ | - | ||||||
332 | - | |||||||
333 | static void qt_blend_argb32_on_argb32(uchar *destPixels, int dbpl, | - | ||||||
334 | const uchar *srcPixels, int sbpl, | - | ||||||
335 | int w, int h, | - | ||||||
336 | int const_alpha) | - | ||||||
337 | { | - | ||||||
338 | #ifdef QT_DEBUG_DRAW | - | ||||||
339 | fprintf(stdout, "qt_blend_argb32_on_argb32: dst=(%p, %d), src=(%p, %d), dim=(%d, %d) alpha=%d\n", | - | ||||||
340 | destPixels, dbpl, srcPixels, sbpl, w, h, const_alpha); | - | ||||||
341 | fflush(stdout); | - | ||||||
342 | #endif | - | ||||||
343 | - | |||||||
344 | const uint *src = (const uint *) srcPixels; | - | ||||||
345 | uint *dst = (uint *) destPixels; | - | ||||||
346 | if (const_alpha == 256) {
| 0 | ||||||
347 | for (int y=0; y<h; ++y) {
| 0 | ||||||
348 | for (int x=0; x<w; ++x) {
| 0 | ||||||
349 | uint s = src[x]; | - | ||||||
350 | if (s >= 0xff000000)
| 0 | ||||||
351 | dst[x] = s; never executed: dst[x] = s; | 0 | ||||||
352 | else if (s != 0)
| 0 | ||||||
353 | dst[x] = s + BYTE_MUL(dst[x], qAlpha(~s)); never executed: dst[x] = s + BYTE_MUL(dst[x], qAlpha(~s)); | 0 | ||||||
354 | } never executed: end of block | 0 | ||||||
355 | dst = (quint32 *)(((uchar *) dst) + dbpl); | - | ||||||
356 | src = (const quint32 *)(((const uchar *) src) + sbpl); | - | ||||||
357 | } never executed: end of block | 0 | ||||||
358 | } else if (const_alpha != 0) { never executed: end of block
| 0 | ||||||
359 | const_alpha = (const_alpha * 255) >> 8; | - | ||||||
360 | for (int y=0; y<h; ++y) {
| 0 | ||||||
361 | for (int x=0; x<w; ++x) {
| 0 | ||||||
362 | uint s = BYTE_MUL(src[x], const_alpha); | - | ||||||
363 | dst[x] = s + BYTE_MUL(dst[x], qAlpha(~s)); | - | ||||||
364 | } never executed: end of block | 0 | ||||||
365 | dst = (quint32 *)(((uchar *) dst) + dbpl); | - | ||||||
366 | src = (const quint32 *)(((const uchar *) src) + sbpl); | - | ||||||
367 | } never executed: end of block | 0 | ||||||
368 | } never executed: end of block | 0 | ||||||
369 | } never executed: end of block | 0 | ||||||
370 | - | |||||||
371 | - | |||||||
372 | void qt_blend_rgb32_on_rgb32(uchar *destPixels, int dbpl, | - | ||||||
373 | const uchar *srcPixels, int sbpl, | - | ||||||
374 | int w, int h, | - | ||||||
375 | int const_alpha) | - | ||||||
376 | { | - | ||||||
377 | #ifdef QT_DEBUG_DRAW | - | ||||||
378 | fprintf(stdout, "qt_blend_rgb32_on_rgb32: dst=(%p, %d), src=(%p, %d), dim=(%d, %d) alpha=%d\n", | - | ||||||
379 | destPixels, dbpl, srcPixels, sbpl, w, h, const_alpha); | - | ||||||
380 | fflush(stdout); | - | ||||||
381 | #endif | - | ||||||
382 | - | |||||||
383 | if (const_alpha != 256) {
| 0 | ||||||
384 | qt_blend_argb32_on_argb32(destPixels, dbpl, srcPixels, sbpl, w, h, const_alpha); | - | ||||||
385 | return; never executed: return; | 0 | ||||||
386 | } | - | ||||||
387 | - | |||||||
388 | const uint *src = (const uint *) srcPixels; | - | ||||||
389 | uint *dst = (uint *) destPixels; | - | ||||||
390 | int len = w * 4; | - | ||||||
391 | for (int y=0; y<h; ++y) {
| 0 | ||||||
392 | memcpy(dst, src, len); | - | ||||||
393 | dst = (quint32 *)(((uchar *) dst) + dbpl); | - | ||||||
394 | src = (const quint32 *)(((const uchar *) src) + sbpl); | - | ||||||
395 | } never executed: end of block | 0 | ||||||
396 | } never executed: end of block | 0 | ||||||
397 | - | |||||||
398 | struct Blend_RGB32_on_RGB32_NoAlpha { | - | ||||||
399 | inline void write(quint32 *dst, quint32 src) { *dst = src; } never executed: end of block | 0 | ||||||
400 | - | |||||||
401 | inline void flush(void *) {} | - | ||||||
402 | }; | - | ||||||
403 | - | |||||||
404 | struct Blend_RGB32_on_RGB32_ConstAlpha { | - | ||||||
405 | inline Blend_RGB32_on_RGB32_ConstAlpha(quint32 alpha) { | - | ||||||
406 | m_alpha = (alpha * 255) >> 8; | - | ||||||
407 | m_ialpha = 255 - m_alpha; | - | ||||||
408 | } never executed: end of block | 0 | ||||||
409 | - | |||||||
410 | inline void write(quint32 *dst, quint32 src) { | - | ||||||
411 | *dst = BYTE_MUL(src, m_alpha) + BYTE_MUL(*dst, m_ialpha); | - | ||||||
412 | } never executed: end of block | 0 | ||||||
413 | - | |||||||
414 | inline void flush(void *) {} | - | ||||||
415 | - | |||||||
416 | quint32 m_alpha; | - | ||||||
417 | quint32 m_ialpha; | - | ||||||
418 | }; | - | ||||||
419 | - | |||||||
420 | struct Blend_ARGB32_on_ARGB32_SourceAlpha { | - | ||||||
421 | inline void write(quint32 *dst, quint32 src) { | - | ||||||
422 | *dst = src + BYTE_MUL(*dst, qAlpha(~src)); | - | ||||||
423 | } never executed: end of block | 0 | ||||||
424 | - | |||||||
425 | inline void flush(void *) {} | - | ||||||
426 | }; | - | ||||||
427 | - | |||||||
428 | struct Blend_ARGB32_on_ARGB32_SourceAndConstAlpha { | - | ||||||
429 | inline Blend_ARGB32_on_ARGB32_SourceAndConstAlpha(quint32 alpha) { | - | ||||||
430 | m_alpha = (alpha * 255) >> 8; | - | ||||||
431 | m_ialpha = 255 - m_alpha; | - | ||||||
432 | } never executed: end of block | 0 | ||||||
433 | - | |||||||
434 | inline void write(quint32 *dst, quint32 src) { | - | ||||||
435 | src = BYTE_MUL(src, m_alpha); | - | ||||||
436 | *dst = src + BYTE_MUL(*dst, qAlpha(~src)); | - | ||||||
437 | } never executed: end of block | 0 | ||||||
438 | - | |||||||
439 | inline void flush(void *) {} | - | ||||||
440 | - | |||||||
441 | quint32 m_alpha; | - | ||||||
442 | quint32 m_ialpha; | - | ||||||
443 | }; | - | ||||||
444 | - | |||||||
445 | void qt_scale_image_rgb32_on_rgb32(uchar *destPixels, int dbpl, | - | ||||||
446 | const uchar *srcPixels, int sbpl, int srch, | - | ||||||
447 | const QRectF &targetRect, | - | ||||||
448 | const QRectF &sourceRect, | - | ||||||
449 | const QRect &clip, | - | ||||||
450 | int const_alpha) | - | ||||||
451 | { | - | ||||||
452 | #ifdef QT_DEBUG_DRAW | - | ||||||
453 | 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", | - | ||||||
454 | destPixels, dbpl, srcPixels, sbpl, | - | ||||||
455 | targetRect.x(), targetRect.y(), targetRect.width(), targetRect.height(), | - | ||||||
456 | sourceRect.x(), sourceRect.y(), sourceRect.width(), sourceRect.height(), | - | ||||||
457 | const_alpha); | - | ||||||
458 | #endif | - | ||||||
459 | if (const_alpha == 256) {
| 0 | ||||||
460 | Blend_RGB32_on_RGB32_NoAlpha noAlpha; | - | ||||||
461 | qt_scale_image_32bit(destPixels, dbpl, srcPixels, sbpl, srch, | - | ||||||
462 | targetRect, sourceRect, clip, noAlpha); | - | ||||||
463 | } else { never executed: end of block | 0 | ||||||
464 | Blend_RGB32_on_RGB32_ConstAlpha constAlpha(const_alpha); | - | ||||||
465 | qt_scale_image_32bit(destPixels, dbpl, srcPixels, sbpl, srch, | - | ||||||
466 | targetRect, sourceRect, clip, constAlpha); | - | ||||||
467 | } never executed: end of block | 0 | ||||||
468 | } | - | ||||||
469 | - | |||||||
470 | void qt_scale_image_argb32_on_argb32(uchar *destPixels, int dbpl, | - | ||||||
471 | const uchar *srcPixels, int sbpl, int srch, | - | ||||||
472 | const QRectF &targetRect, | - | ||||||
473 | const QRectF &sourceRect, | - | ||||||
474 | const QRect &clip, | - | ||||||
475 | int const_alpha) | - | ||||||
476 | { | - | ||||||
477 | #ifdef QT_DEBUG_DRAW | - | ||||||
478 | 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", | - | ||||||
479 | destPixels, dbpl, srcPixels, sbpl, | - | ||||||
480 | targetRect.x(), targetRect.y(), targetRect.width(), targetRect.height(), | - | ||||||
481 | sourceRect.x(), sourceRect.y(), sourceRect.width(), sourceRect.height(), | - | ||||||
482 | const_alpha); | - | ||||||
483 | #endif | - | ||||||
484 | if (const_alpha == 256) {
| 0 | ||||||
485 | Blend_ARGB32_on_ARGB32_SourceAlpha sourceAlpha; | - | ||||||
486 | qt_scale_image_32bit(destPixels, dbpl, srcPixels, sbpl, srch, | - | ||||||
487 | targetRect, sourceRect, clip, sourceAlpha); | - | ||||||
488 | } else { never executed: end of block | 0 | ||||||
489 | Blend_ARGB32_on_ARGB32_SourceAndConstAlpha constAlpha(const_alpha); | - | ||||||
490 | qt_scale_image_32bit(destPixels, dbpl, srcPixels, sbpl, srch, | - | ||||||
491 | targetRect, sourceRect, clip, constAlpha); | - | ||||||
492 | } never executed: end of block | 0 | ||||||
493 | } | - | ||||||
494 | - | |||||||
495 | void qt_transform_image_rgb16_on_rgb16(uchar *destPixels, int dbpl, | - | ||||||
496 | const uchar *srcPixels, int sbpl, | - | ||||||
497 | const QRectF &targetRect, | - | ||||||
498 | const QRectF &sourceRect, | - | ||||||
499 | const QRect &clip, | - | ||||||
500 | const QTransform &targetRectTransform, | - | ||||||
501 | int const_alpha) | - | ||||||
502 | { | - | ||||||
503 | if (const_alpha == 256) {
| 0 | ||||||
504 | Blend_RGB16_on_RGB16_NoAlpha noAlpha; | - | ||||||
505 | qt_transform_image(reinterpret_cast<quint16 *>(destPixels), dbpl, | - | ||||||
506 | reinterpret_cast<const quint16 *>(srcPixels), sbpl, | - | ||||||
507 | targetRect, sourceRect, clip, targetRectTransform, noAlpha); | - | ||||||
508 | } else { never executed: end of block | 0 | ||||||
509 | Blend_RGB16_on_RGB16_ConstAlpha constAlpha(const_alpha); | - | ||||||
510 | qt_transform_image(reinterpret_cast<quint16 *>(destPixels), dbpl, | - | ||||||
511 | reinterpret_cast<const quint16 *>(srcPixels), sbpl, | - | ||||||
512 | targetRect, sourceRect, clip, targetRectTransform, constAlpha); | - | ||||||
513 | } never executed: end of block | 0 | ||||||
514 | } | - | ||||||
515 | - | |||||||
516 | void qt_transform_image_argb32_on_rgb16(uchar *destPixels, int dbpl, | - | ||||||
517 | const uchar *srcPixels, int sbpl, | - | ||||||
518 | const QRectF &targetRect, | - | ||||||
519 | const QRectF &sourceRect, | - | ||||||
520 | const QRect &clip, | - | ||||||
521 | const QTransform &targetRectTransform, | - | ||||||
522 | int const_alpha) | - | ||||||
523 | { | - | ||||||
524 | if (const_alpha == 256) {
| 0 | ||||||
525 | Blend_ARGB32_on_RGB16_SourceAlpha noAlpha; | - | ||||||
526 | qt_transform_image(reinterpret_cast<quint16 *>(destPixels), dbpl, | - | ||||||
527 | reinterpret_cast<const quint32 *>(srcPixels), sbpl, | - | ||||||
528 | targetRect, sourceRect, clip, targetRectTransform, noAlpha); | - | ||||||
529 | } else { never executed: end of block | 0 | ||||||
530 | Blend_ARGB32_on_RGB16_SourceAndConstAlpha constAlpha(const_alpha); | - | ||||||
531 | qt_transform_image(reinterpret_cast<quint16 *>(destPixels), dbpl, | - | ||||||
532 | reinterpret_cast<const quint32 *>(srcPixels), sbpl, | - | ||||||
533 | targetRect, sourceRect, clip, targetRectTransform, constAlpha); | - | ||||||
534 | } never executed: end of block | 0 | ||||||
535 | } | - | ||||||
536 | - | |||||||
537 | - | |||||||
538 | void qt_transform_image_rgb32_on_rgb32(uchar *destPixels, int dbpl, | - | ||||||
539 | const uchar *srcPixels, int sbpl, | - | ||||||
540 | const QRectF &targetRect, | - | ||||||
541 | const QRectF &sourceRect, | - | ||||||
542 | const QRect &clip, | - | ||||||
543 | const QTransform &targetRectTransform, | - | ||||||
544 | int const_alpha) | - | ||||||
545 | { | - | ||||||
546 | if (const_alpha == 256) {
| 0 | ||||||
547 | Blend_RGB32_on_RGB32_NoAlpha noAlpha; | - | ||||||
548 | qt_transform_image(reinterpret_cast<quint32 *>(destPixels), dbpl, | - | ||||||
549 | reinterpret_cast<const quint32 *>(srcPixels), sbpl, | - | ||||||
550 | targetRect, sourceRect, clip, targetRectTransform, noAlpha); | - | ||||||
551 | } else { never executed: end of block | 0 | ||||||
552 | Blend_RGB32_on_RGB32_ConstAlpha constAlpha(const_alpha); | - | ||||||
553 | qt_transform_image(reinterpret_cast<quint32 *>(destPixels), dbpl, | - | ||||||
554 | reinterpret_cast<const quint32 *>(srcPixels), sbpl, | - | ||||||
555 | targetRect, sourceRect, clip, targetRectTransform, constAlpha); | - | ||||||
556 | } never executed: end of block | 0 | ||||||
557 | } | - | ||||||
558 | - | |||||||
559 | void qt_transform_image_argb32_on_argb32(uchar *destPixels, int dbpl, | - | ||||||
560 | const uchar *srcPixels, int sbpl, | - | ||||||
561 | const QRectF &targetRect, | - | ||||||
562 | const QRectF &sourceRect, | - | ||||||
563 | const QRect &clip, | - | ||||||
564 | const QTransform &targetRectTransform, | - | ||||||
565 | int const_alpha) | - | ||||||
566 | { | - | ||||||
567 | if (const_alpha == 256) {
| 0 | ||||||
568 | Blend_ARGB32_on_ARGB32_SourceAlpha sourceAlpha; | - | ||||||
569 | qt_transform_image(reinterpret_cast<quint32 *>(destPixels), dbpl, | - | ||||||
570 | reinterpret_cast<const quint32 *>(srcPixels), sbpl, | - | ||||||
571 | targetRect, sourceRect, clip, targetRectTransform, sourceAlpha); | - | ||||||
572 | } else { never executed: end of block | 0 | ||||||
573 | Blend_ARGB32_on_ARGB32_SourceAndConstAlpha constAlpha(const_alpha); | - | ||||||
574 | qt_transform_image(reinterpret_cast<quint32 *>(destPixels), dbpl, | - | ||||||
575 | reinterpret_cast<const quint32 *>(srcPixels), sbpl, | - | ||||||
576 | targetRect, sourceRect, clip, targetRectTransform, constAlpha); | - | ||||||
577 | } never executed: end of block | 0 | ||||||
578 | } | - | ||||||
579 | - | |||||||
580 | SrcOverScaleFunc qScaleFunctions[QImage::NImageFormats][QImage::NImageFormats]; | - | ||||||
581 | SrcOverBlendFunc qBlendFunctions[QImage::NImageFormats][QImage::NImageFormats]; | - | ||||||
582 | SrcOverTransformFunc qTransformFunctions[QImage::NImageFormats][QImage::NImageFormats]; | - | ||||||
583 | - | |||||||
584 | void qInitBlendFunctions() | - | ||||||
585 | { | - | ||||||
586 | qScaleFunctions[QImage::Format_RGB32][QImage::Format_RGB32] = qt_scale_image_rgb32_on_rgb32; | - | ||||||
587 | qScaleFunctions[QImage::Format_RGB32][QImage::Format_ARGB32_Premultiplied] = qt_scale_image_argb32_on_argb32; | - | ||||||
588 | qScaleFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_RGB32] = qt_scale_image_rgb32_on_rgb32; | - | ||||||
589 | qScaleFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_ARGB32_Premultiplied] = qt_scale_image_argb32_on_argb32; | - | ||||||
590 | qScaleFunctions[QImage::Format_RGB16][QImage::Format_ARGB32_Premultiplied] = qt_scale_image_argb32_on_rgb16; | - | ||||||
591 | qScaleFunctions[QImage::Format_RGB16][QImage::Format_RGB16] = qt_scale_image_rgb16_on_rgb16; | - | ||||||
592 | #if Q_BYTE_ORDER == Q_LITTLE_ENDIAN | - | ||||||
593 | qScaleFunctions[QImage::Format_RGBX8888][QImage::Format_RGBX8888] = qt_scale_image_rgb32_on_rgb32; | - | ||||||
594 | qScaleFunctions[QImage::Format_RGBX8888][QImage::Format_RGBA8888_Premultiplied] = qt_scale_image_argb32_on_argb32; | - | ||||||
595 | qScaleFunctions[QImage::Format_RGBA8888_Premultiplied][QImage::Format_RGBX8888] = qt_scale_image_rgb32_on_rgb32; | - | ||||||
596 | qScaleFunctions[QImage::Format_RGBA8888_Premultiplied][QImage::Format_RGBA8888_Premultiplied] = qt_scale_image_argb32_on_argb32; | - | ||||||
597 | #endif | - | ||||||
598 | - | |||||||
599 | qBlendFunctions[QImage::Format_RGB32][QImage::Format_RGB32] = qt_blend_rgb32_on_rgb32; | - | ||||||
600 | qBlendFunctions[QImage::Format_RGB32][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_argb32; | - | ||||||
601 | qBlendFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_RGB32] = qt_blend_rgb32_on_rgb32; | - | ||||||
602 | qBlendFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_argb32; | - | ||||||
603 | qBlendFunctions[QImage::Format_RGB16][QImage::Format_RGB32] = qt_blend_rgb32_on_rgb16; | - | ||||||
604 | qBlendFunctions[QImage::Format_RGB16][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_rgb16; | - | ||||||
605 | qBlendFunctions[QImage::Format_RGB16][QImage::Format_RGB16] = qt_blend_rgb16_on_rgb16; | - | ||||||
606 | #if Q_BYTE_ORDER == Q_LITTLE_ENDIAN | - | ||||||
607 | qBlendFunctions[QImage::Format_RGBX8888][QImage::Format_RGBX8888] = qt_blend_rgb32_on_rgb32; | - | ||||||
608 | qBlendFunctions[QImage::Format_RGBX8888][QImage::Format_RGBA8888_Premultiplied] = qt_blend_argb32_on_argb32; | - | ||||||
609 | qBlendFunctions[QImage::Format_RGBA8888_Premultiplied][QImage::Format_RGBX8888] = qt_blend_rgb32_on_rgb32; | - | ||||||
610 | qBlendFunctions[QImage::Format_RGBA8888_Premultiplied][QImage::Format_RGBA8888_Premultiplied] = qt_blend_argb32_on_argb32; | - | ||||||
611 | #endif | - | ||||||
612 | - | |||||||
613 | qTransformFunctions[QImage::Format_RGB32][QImage::Format_RGB32] = qt_transform_image_rgb32_on_rgb32; | - | ||||||
614 | qTransformFunctions[QImage::Format_RGB32][QImage::Format_ARGB32_Premultiplied] = qt_transform_image_argb32_on_argb32; | - | ||||||
615 | qTransformFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_RGB32] = qt_transform_image_rgb32_on_rgb32; | - | ||||||
616 | qTransformFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_ARGB32_Premultiplied] = qt_transform_image_argb32_on_argb32; | - | ||||||
617 | qTransformFunctions[QImage::Format_RGB16][QImage::Format_ARGB32_Premultiplied] = qt_transform_image_argb32_on_rgb16; | - | ||||||
618 | qTransformFunctions[QImage::Format_RGB16][QImage::Format_RGB16] = qt_transform_image_rgb16_on_rgb16; | - | ||||||
619 | #if Q_BYTE_ORDER == Q_LITTLE_ENDIAN | - | ||||||
620 | qTransformFunctions[QImage::Format_RGBX8888][QImage::Format_RGBX8888] = qt_transform_image_rgb32_on_rgb32; | - | ||||||
621 | qTransformFunctions[QImage::Format_RGBX8888][QImage::Format_RGBA8888_Premultiplied] = qt_transform_image_argb32_on_argb32; | - | ||||||
622 | qTransformFunctions[QImage::Format_RGBA8888_Premultiplied][QImage::Format_RGBX8888] = qt_transform_image_rgb32_on_rgb32; | - | ||||||
623 | qTransformFunctions[QImage::Format_RGBA8888_Premultiplied][QImage::Format_RGBA8888_Premultiplied] = qt_transform_image_argb32_on_argb32; | - | ||||||
624 | #endif | - | ||||||
625 | } never executed: end of block | 0 | ||||||
626 | - | |||||||
627 | QT_END_NAMESPACE | - | ||||||
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