qimagescale.cpp

Absolute File Name:/home/qt/qt5_coco/qt5/qtbase/src/gui/painting/qimagescale.cpp
Switch to Source codePreprocessed file
LineSourceCount
1-
2-
3-
4namespace QImageScale {-
5 const unsigned int** qimageCalcYPoints(const unsigned int *src, int sw, int sh, int dh);-
6 int* qimageCalcXPoints(int sw, int dw);-
7 int* qimageCalcApoints(int s, int d, int up);-
8 QImageScaleInfo* qimageFreeScaleInfo(QImageScaleInfo *isi);-
9 QImageScaleInfo *qimageCalcScaleInfo(const QImage &img, int sw, int sh,-
10 int dw, int dh, char aa);-
11}-
12-
13using namespace QImageScale;-
14-
15-
16-
17-
18-
19const unsigned int** QImageScale::qimageCalcYPoints(const unsigned int *src,-
20 int sw, int sh, int dh)-
21{-
22 const unsigned int **p;-
23 int j = 0, rv = 0;-
24 qint64 val, inc;-
25-
26 if (dh < 0
dh < 0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
27 dh = -dh;-
28 rv = 1;-
29 }
never executed: end of block
0
30 p = new const unsigned int* [dh+1];-
31-
32 int up = qAbs(dh) >= sh;-
33 val = up
upDescription
TRUEnever evaluated
FALSEnever evaluated
 ? 0x8000 * sh / dh - 0x8000 : 0;		0
34 inc = (((qint64)sh) << 16) / dh;-
35 for (int i = 0; i < dh
i < dhDescription
TRUEnever evaluated
FALSEnever evaluated
; i++) {		0
36 p[j++] = src + qMax(0LL, val >> 16) * sw;-
37 val += inc;-
38 }
never executed: end of block
0
39 if (rv
rvDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
40 for (int i = dh / 2; --
--i >= 0Description
TRUEnever evaluated
FALSEnever evaluated
i >= 0
--i >= 0Description
TRUEnever evaluated
FALSEnever evaluated
; ) {		0
41 const unsigned int *tmp = p[i];-
42 p[i] = p[dh - i - 1];-
43 p[dh - i - 1] = tmp;-
44 }
never executed: end of block
0
45 }
never executed: end of block
0
46 return
never executed: return(p);
(p);
never executed: return(p);
0
47}-
48-
49int* QImageScale::qimageCalcXPoints(int sw, int dw)-
50{-
51 int *p, j = 0, rv = 0;-
52 qint64 val, inc;-
53-
54 if (dw < 0
dw < 0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
55 dw = -dw;-
56 rv = 1;-
57 }
never executed: end of block
0
58 p = new int[dw+1];-
59-
60 int up = qAbs(dw) >= sw;-
61 val = up
upDescription
TRUEnever evaluated
FALSEnever evaluated
 ? 0x8000 * sw / dw - 0x8000 : 0;		0
62 inc = (((qint64)sw) << 16) / dw;-
63 for (int i = 0; i < dw
i < dwDescription
TRUEnever evaluated
FALSEnever evaluated
; i++) {		0
64 p[j++] = qMax(0LL, val >> 16);-
65 val += inc;-
66 }
never executed: end of block
0
67-
68 if (rv
rvDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
69 for (int i = dw / 2; --
--i >= 0Description
TRUEnever evaluated
FALSEnever evaluated
i >= 0
--i >= 0Description
TRUEnever evaluated
FALSEnever evaluated
; ) {		0
70 int tmp = p[i];-
71 p[i] = p[dw - i - 1];-
72 p[dw - i - 1] = tmp;-
73 }
never executed: end of block
0
74 }
never executed: end of block
0
75 return
never executed: return p;
 p;
never executed: return p;
0
76}-
77-
78int* QImageScale::qimageCalcApoints(int s, int d, int up)-
79{-
80 int *p, j = 0, rv = 0;-
81-
82 if (d < 0
d < 0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
83 rv = 1;-
84 d = -d;-
85 }
never executed: end of block
0
86 p = new int[d];-
87-
88 if (up
upDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
89-
90 qint64 val = 0x8000 * s / d - 0x8000;-
91 qint64 inc = (((qint64)s) << 16) / d;-
92 for (int i = 0; i < d
i < dDescription
TRUEnever evaluated
FALSEnever evaluated
; i++) {		0
93 int pos = val >> 16;-
94 if (pos < 0
pos < 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
95 p[j++] = 0;
never executed: p[j++] = 0;
0
96 else if (pos >= (s - 1)
pos >= (s - 1)Description
TRUEnever evaluated
FALSEnever evaluated
)		0
97 p[j++] = 0;
never executed: p[j++] = 0;
0
98 else-
99 p[j++] = (val >> 8) - ((val >> 8) & 0xffffff00);
never executed: p[j++] = (val >> 8) - ((val >> 8) & 0xffffff00);
0
100 val += inc;-
101 }
never executed: end of block
0
102 }
never executed: end of block
 else {		0
103-
104 qint64 val = 0;-
105 qint64 inc = (((qint64)s) << 16) / d;-
106 int Cp = (((d << 14) + s - 1) / s);-
107 for (int i = 0; i < d
i < dDescription
TRUEnever evaluated
FALSEnever evaluated
; i++) {		0
108 int ap = ((0x10000 - (val & 0xffff)) * Cp) >> 16;-
109 p[j] = ap | (Cp << 16);-
110 j++;-
111 val += inc;-
112 }
never executed: end of block
0
113 }
never executed: end of block
0
114 if (rv
rvDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
115 int tmp;-
116 for (int i = d / 2; --
--i >= 0Description
TRUEnever evaluated
FALSEnever evaluated
i >= 0
--i >= 0Description
TRUEnever evaluated
FALSEnever evaluated
; ) {		0
117 tmp = p[i];-
118 p[i] = p[d - i - 1];-
119 p[d - i - 1] = tmp;-
120 }
never executed: end of block
0
121 }
never executed: end of block
0
122 return
never executed: return p;
 p;
never executed: return p;
0
123}-
124-
125QImageScaleInfo* QImageScale::qimageFreeScaleInfo(QImageScaleInfo *isi)-
126{-
127 if (isi
isiDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
128 delete[] isi->xpoints;-
129 delete[] isi->ypoints;-
130 delete[] isi->xapoints;-
131 delete[] isi->yapoints;-
132 delete isi;-
133 }
never executed: end of block
0
134 return
never executed: return 0;
 0;
never executed: return 0;
0
135}-
136-
137QImageScaleInfo* QImageScale::qimageCalcScaleInfo(const QImage &img,-
138 int sw, int sh,-
139 int dw, int dh, char aa)-
140{-
141 QImageScaleInfo *isi;-
142 int scw, sch;-
143-
144 scw = dw * qlonglong(img.width()) / sw;-
145 sch = dh * qlonglong(img.height()) / sh;-
146-
147 isi = new QImageScaleInfo;-
148 if (!isi
!isiDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
149 return
never executed: return 0;
 0;
never executed: return 0;
0
150 memset(isi, 0, sizeof(QImageScaleInfo));-
151-
152 isi->xup_yup = (qAbs(dw) >= sw) + ((qAbs(dh) >= sh) << 1);-
153-
154 isi->xpoints = qimageCalcXPoints(img.width(), scw);-
155 if (!isi->xpoints
!isi->xpointsDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
156 return
never executed: return qimageFreeScaleInfo(isi);
 qimageFreeScaleInfo(isi);
never executed: return qimageFreeScaleInfo(isi);
0
157 isi->ypoints = qimageCalcYPoints((const unsigned int *)img.scanLine(0),-
158 img.bytesPerLine() / 4, img.height(), sch);-
159 if (!isi->ypoints
!isi->ypointsDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
160 return
never executed: return qimageFreeScaleInfo(isi);
 qimageFreeScaleInfo(isi);
never executed: return qimageFreeScaleInfo(isi);
0
161 if (aa
aaDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
162 isi->xapoints = qimageCalcApoints(img.width(), scw, isi->xup_yup & 1);-
163 if (!isi->xapoints
!isi->xapointsDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
164 return
never executed: return qimageFreeScaleInfo(isi);
 qimageFreeScaleInfo(isi);
never executed: return qimageFreeScaleInfo(isi);
0
165 isi->yapoints = qimageCalcApoints(img.height(), sch, isi->xup_yup & 2);-
166 if (!isi->yapoints
!isi->yapointsDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
167 return
never executed: return qimageFreeScaleInfo(isi);
 qimageFreeScaleInfo(isi);
never executed: return qimageFreeScaleInfo(isi);
0
168 }
never executed: end of block
0
169 return
never executed: return isi;
 isi;
never executed: return isi;
0
170}-
171-
172-
173static void qt_qimageScaleAARGBA_up_x_down_y(QImageScaleInfo *isi, unsigned int *dest,-
174 int dw, int dh, int dow, int sow);-
175-
176static void qt_qimageScaleAARGBA_down_x_up_y(QImageScaleInfo *isi, unsigned int *dest,-
177 int dw, int dh, int dow, int sow);-
178-
179static void qt_qimageScaleAARGBA_down_xy(QImageScaleInfo *isi, unsigned int *dest,-
180 int dw, int dh, int dow, int sow);-
181-
182-
183template<bool RGB>-
184void qt_qimageScaleAARGBA_up_x_down_y_sse4(QImageScaleInfo *isi, unsigned int *dest,-
185 int dw, int dh, int dow, int sow);-
186template<bool RGB>-
187void qt_qimageScaleAARGBA_down_x_up_y_sse4(QImageScaleInfo *isi, unsigned int *dest,-
188 int dw, int dh, int dow, int sow);-
189template<bool RGB>-
190void qt_qimageScaleAARGBA_down_xy_sse4(QImageScaleInfo *isi, unsigned int *dest,-
191 int dw, int dh, int dow, int sow);-
192-
193-
194static void qt_qimageScaleAARGBA_up_xy(QImageScaleInfo *isi, unsigned int *dest,-
195 int dw, int dh, int dow, int sow)-
196{-
197 const unsigned int **ypoints = isi->ypoints;-
198 int *xpoints = isi->xpoints;-
199 int *xapoints = isi->xapoints;-
200 int *yapoints = isi->yapoints;-
201-
202-
203 for (int y = 0; y < dh
y < dhDescription
TRUEnever evaluated
FALSEnever evaluated
; y++) {		0
204-
205 const unsigned int *sptr = ypoints[y];-
206 unsigned int *dptr = dest + (y * dow);-
207 const int yap = yapoints[y];-
208 if (yap > 0
yap > 0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
209 for (int x = 0; x < dw
x < dwDescription
TRUEnever evaluated
FALSEnever evaluated
; x++) {		0
210 const unsigned int *pix = sptr + xpoints[x];-
211 const int xap = xapoints[x];-
212 if (xap > 0
xap > 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
213 *
never executed: *dptr = interpolate_4_pixels(pix[0], pix[1], pix[sow], pix[sow + 1], xap, yap);
dptr = interpolate_4_pixels(pix[0], pix[1], pix[sow], pix[sow + 1], xap, yap);
never executed: *dptr = interpolate_4_pixels(pix[0], pix[1], pix[sow], pix[sow + 1], xap, yap);
0
214 else-
215 *
never executed: *dptr = INTERPOLATE_PIXEL_256(pix[0], 256 - yap, pix[sow], yap);
dptr = INTERPOLATE_PIXEL_256(pix[0], 256 - yap, pix[sow], yap);
never executed: *dptr = INTERPOLATE_PIXEL_256(pix[0], 256 - yap, pix[sow], yap);
0
216 dptr++;-
217 }
never executed: end of block
0
218 }
never executed: end of block
 else {		0
219 for (int x = 0; x < dw
x < dwDescription
TRUEnever evaluated
FALSEnever evaluated
; x++) {		0
220 const unsigned int *pix = sptr + xpoints[x];-
221 const int xap = xapoints[x];-
222 if (xap > 0
xap > 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
223 *
never executed: *dptr = INTERPOLATE_PIXEL_256(pix[0], 256 - xap, pix[1], xap);
dptr = INTERPOLATE_PIXEL_256(pix[0], 256 - xap, pix[1], xap);
never executed: *dptr = INTERPOLATE_PIXEL_256(pix[0], 256 - xap, pix[1], xap);
0
224 else-
225 *
never executed: *dptr = pix[0];
dptr = pix[0];
never executed: *dptr = pix[0];
0
226 dptr++;-
227 }
never executed: end of block
0
228 }
never executed: end of block
0
229 }-
230}
never executed: end of block
0
231-
232-
233static void qt_qimageScaleAARGBA(QImageScaleInfo *isi, unsigned int *dest,-
234 int dw, int dh, int dow, int sow)-
235{-
236-
237 if (isi->xup_yup == 3
isi->xup_yup == 3Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
238 qt_qimageScaleAARGBA_up_xy(isi, dest, dw, dh, dow, sow);-
239 }
never executed: end of block
0
240-
241 else if (isi->xup_yup == 1
isi->xup_yup == 1Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
242-
243 if (((
(qCompilerCpuF...eatureSSE4_1))Description
TRUEnever evaluated
FALSEnever evaluated
qCompilerCpuFeatures & (static_cast<unsigned long long>(1ULL) << CpuFeatureSSE4_1))
(qCompilerCpuF...eatureSSE4_1))Description
TRUEnever evaluated
FALSEnever evaluated
 || (
(qCpuFeatures(...eatureSSE4_1))Description
TRUEnever evaluated
FALSEnever evaluated
qCpuFeatures() & (static_cast<unsigned long long>(1ULL) << CpuFeatureSSE4_1))
(qCpuFeatures(...eatureSSE4_1))Description
TRUEnever evaluated
FALSEnever evaluated
))		0
244 qt_qimageScaleAARGBA_up_x_down_y_sse4<false>(isi, dest, dw, dh, dow, sow);
never executed: qt_qimageScaleAARGBA_up_x_down_y_sse4<false>(isi, dest, dw, dh, dow, sow);
0
245 else-
246-
247 qt_qimageScaleAARGBA_up_x_down_y(isi, dest, dw, dh, dow, sow);
never executed: qt_qimageScaleAARGBA_up_x_down_y(isi, dest, dw, dh, dow, sow);
0
248 }-
249-
250 else if (isi->xup_yup == 2
isi->xup_yup == 2Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
251-
252 if (((
(qCompilerCpuF...eatureSSE4_1))Description
TRUEnever evaluated
FALSEnever evaluated
qCompilerCpuFeatures & (static_cast<unsigned long long>(1ULL) << CpuFeatureSSE4_1))
(qCompilerCpuF...eatureSSE4_1))Description
TRUEnever evaluated
FALSEnever evaluated
 || (
(qCpuFeatures(...eatureSSE4_1))Description
TRUEnever evaluated
FALSEnever evaluated
qCpuFeatures() & (static_cast<unsigned long long>(1ULL) << CpuFeatureSSE4_1))
(qCpuFeatures(...eatureSSE4_1))Description
TRUEnever evaluated
FALSEnever evaluated
))		0
253 qt_qimageScaleAARGBA_down_x_up_y_sse4<false>(isi, dest, dw, dh, dow, sow);
never executed: qt_qimageScaleAARGBA_down_x_up_y_sse4<false>(isi, dest, dw, dh, dow, sow);
0
254 else-
255-
256 qt_qimageScaleAARGBA_down_x_up_y(isi, dest, dw, dh, dow, sow);
never executed: qt_qimageScaleAARGBA_down_x_up_y(isi, dest, dw, dh, dow, sow);
0
257 }-
258-
259 else {-
260-
261 if (((
(qCompilerCpuF...eatureSSE4_1))Description
TRUEnever evaluated
FALSEnever evaluated
qCompilerCpuFeatures & (static_cast<unsigned long long>(1ULL) << CpuFeatureSSE4_1))
(qCompilerCpuF...eatureSSE4_1))Description
TRUEnever evaluated
FALSEnever evaluated
 || (
(qCpuFeatures(...eatureSSE4_1))Description
TRUEnever evaluated
FALSEnever evaluated
qCpuFeatures() & (static_cast<unsigned long long>(1ULL) << CpuFeatureSSE4_1))
(qCpuFeatures(...eatureSSE4_1))Description
TRUEnever evaluated
FALSEnever evaluated
))		0
262 qt_qimageScaleAARGBA_down_xy_sse4<false>(isi, dest, dw, dh, dow, sow);
never executed: qt_qimageScaleAARGBA_down_xy_sse4<false>(isi, dest, dw, dh, dow, sow);
0
263 else-
264-
265 qt_qimageScaleAARGBA_down_xy(isi, dest, dw, dh, dow, sow);
never executed: qt_qimageScaleAARGBA_down_xy(isi, dest, dw, dh, dow, sow);
0
266 }-
267}-
268-
269inline static void qt_qimageScaleAARGBA_helper(const unsigned int *pix, int xyap, int Cxy, int step, int &r, int &g, int &b, int &a)-
270{-
271 r = qRed(*pix) * xyap;-
272 g = qGreen(*pix) * xyap;-
273 b = qBlue(*pix) * xyap;-
274 a = qAlpha(*pix) * xyap;-
275 int j;-
276 for (j = (1 << 14) - xyap; j > Cxy
j > CxyDescription
TRUEnever evaluated
FALSEnever evaluated
; j -= Cxy) {		0
277 pix += step;-
278 r += qRed(*pix) * Cxy;-
279 g += qGreen(*pix) * Cxy;-
280 b += qBlue(*pix) * Cxy;-
281 a += qAlpha(*pix) * Cxy;-
282 }
never executed: end of block
0
283 pix += step;-
284 r += qRed(*pix) * j;-
285 g += qGreen(*pix) * j;-
286 b += qBlue(*pix) * j;-
287 a += qAlpha(*pix) * j;-
288}
never executed: end of block
0
289-
290static void qt_qimageScaleAARGBA_up_x_down_y(QImageScaleInfo *isi, unsigned int *dest,-
291 int dw, int dh, int dow, int sow)-
292{-
293 const unsigned int **ypoints = isi->ypoints;-
294 int *xpoints = isi->xpoints;-
295 int *xapoints = isi->xapoints;-
296 int *yapoints = isi->yapoints;-
297-
298-
299 for (int y = 0; y < dh
y < dhDescription
TRUEnever evaluated
FALSEnever evaluated
; y++) {		0
300 int Cy = yapoints[y] >> 16;-
301 int yap = yapoints[y] & 0xffff;-
302-
303 unsigned int *dptr = dest + (y * dow);-
304 for (int x = 0; x < dw
x < dwDescription
TRUEnever evaluated
FALSEnever evaluated
; x++) {		0
305 const unsigned int *sptr = ypoints[y] + xpoints[x];-
306 int r, g, b, a;-
307 qt_qimageScaleAARGBA_helper(sptr, yap, Cy, sow, r, g, b, a);-
308-
309 int xap = xapoints[x];-
310 if (xap > 0
xap > 0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
311 int rr, gg, bb, aa;-
312 qt_qimageScaleAARGBA_helper(sptr + 1, yap, Cy, sow, rr, gg, bb, aa);-
313-
314 r = r * (256 - xap);-
315 g = g * (256 - xap);-
316 b = b * (256 - xap);-
317 a = a * (256 - xap);-
318 r = (r + (rr * xap)) >> 8;-
319 g = (g + (gg * xap)) >> 8;-
320 b = (b + (bb * xap)) >> 8;-
321 a = (a + (aa * xap)) >> 8;-
322 }
never executed: end of block
0
323 *dptr++ = qRgba(r >> 14, g >> 14, b >> 14, a >> 14);-
324 }
never executed: end of block
0
325 }
never executed: end of block
0
326}
never executed: end of block
0
327-
328static void qt_qimageScaleAARGBA_down_x_up_y(QImageScaleInfo *isi, unsigned int *dest,-
329 int dw, int dh, int dow, int sow)-
330{-
331 const unsigned int **ypoints = isi->ypoints;-
332 int *xpoints = isi->xpoints;-
333 int *xapoints = isi->xapoints;-
334 int *yapoints = isi->yapoints;-
335-
336-
337 for (int y = 0; y < dh
y < dhDescription
TRUEnever evaluated
FALSEnever evaluated
; y++) {		0
338 unsigned int *dptr = dest + (y * dow);-
339 for (int x = 0; x < dw
x < dwDescription
TRUEnever evaluated
FALSEnever evaluated
; x++) {		0
340 int Cx = xapoints[x] >> 16;-
341 int xap = xapoints[x] & 0xffff;-
342-
343 const unsigned int *sptr = ypoints[y] + xpoints[x];-
344 int r, g, b, a;-
345 qt_qimageScaleAARGBA_helper(sptr, xap, Cx, 1, r, g, b, a);-
346-
347 int yap = yapoints[y];-
348 if (yap > 0
yap > 0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
349 int rr, gg, bb, aa;-
350 qt_qimageScaleAARGBA_helper(sptr + sow, xap, Cx, 1, rr, gg, bb, aa);-
351-
352 r = r * (256 - yap);-
353 g = g * (256 - yap);-
354 b = b * (256 - yap);-
355 a = a * (256 - yap);-
356 r = (r + (rr * yap)) >> 8;-
357 g = (g + (gg * yap)) >> 8;-
358 b = (b + (bb * yap)) >> 8;-
359 a = (a + (aa * yap)) >> 8;-
360 }
never executed: end of block
0
361 *dptr = qRgba(r >> 14, g >> 14, b >> 14, a >> 14);-
362 dptr++;-
363 }
never executed: end of block
0
364 }
never executed: end of block
0
365}
never executed: end of block
0
366-
367static void qt_qimageScaleAARGBA_down_xy(QImageScaleInfo *isi, unsigned int *dest,-
368 int dw, int dh, int dow, int sow)-
369{-
370 const unsigned int **ypoints = isi->ypoints;-
371 int *xpoints = isi->xpoints;-
372 int *xapoints = isi->xapoints;-
373 int *yapoints = isi->yapoints;-
374-
375 for (int y = 0; y < dh
y < dhDescription
TRUEnever evaluated
FALSEnever evaluated
; y++) {		0
376 int Cy = (yapoints[y]) >> 16;-
377 int yap = (yapoints[y]) & 0xffff;-
378-
379 unsigned int *dptr = dest + (y * dow);-
380 for (int x = 0; x < dw
x < dwDescription
TRUEnever evaluated
FALSEnever evaluated
; x++) {		0
381 int Cx = xapoints[x] >> 16;-
382 int xap = xapoints[x] & 0xffff;-
383-
384 const unsigned int *sptr = ypoints[y] + xpoints[x];-
385 int rx, gx, bx, ax;-
386 qt_qimageScaleAARGBA_helper(sptr, xap, Cx, 1, rx, gx, bx, ax);-
387-
388 int r = ((rx>>4) * yap);-
389 int g = ((gx>>4) * yap);-
390 int b = ((bx>>4) * yap);-
391 int a = ((ax>>4) * yap);-
392-
393 int j;-
394 for (j = (1 << 14) - yap; j > Cy
j > CyDescription
TRUEnever evaluated
FALSEnever evaluated
; j -= Cy) {		0
395 sptr += sow;-
396 qt_qimageScaleAARGBA_helper(sptr, xap, Cx, 1, rx, gx, bx, ax);-
397 r += ((rx>>4) * Cy);-
398 g += ((gx>>4) * Cy);-
399 b += ((bx>>4) * Cy);-
400 a += ((ax>>4) * Cy);-
401 }
never executed: end of block
0
402 sptr += sow;-
403 qt_qimageScaleAARGBA_helper(sptr, xap, Cx, 1, rx, gx, bx, ax);-
404-
405 r += ((rx>>4) * j);-
406 g += ((gx>>4) * j);-
407 b += ((bx>>4) * j);-
408 a += ((ax>>4) * j);-
409-
410 *dptr = qRgba(r >> 24, g >> 24, b >> 24, a >> 24);-
411 dptr++;-
412 }
never executed: end of block
0
413 }
never executed: end of block
0
414}
never executed: end of block
0
415-
416static void qt_qimageScaleAARGB_up_x_down_y(QImageScaleInfo *isi, unsigned int *dest,-
417 int dw, int dh, int dow, int sow);-
418-
419static void qt_qimageScaleAARGB_down_x_up_y(QImageScaleInfo *isi, unsigned int *dest,-
420 int dw, int dh, int dow, int sow);-
421-
422static void qt_qimageScaleAARGB_down_xy(QImageScaleInfo *isi, unsigned int *dest,-
423 int dw, int dh, int dow, int sow);-
424-
425-
426static void qt_qimageScaleAARGB(QImageScaleInfo *isi, unsigned int *dest,-
427 int dw, int dh, int dow, int sow)-
428{-
429-
430 if (isi->xup_yup == 3
isi->xup_yup == 3Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
431 qt_qimageScaleAARGBA_up_xy(isi, dest, dw, dh, dow, sow);-
432 }
never executed: end of block
0
433-
434 else if (isi->xup_yup == 1
isi->xup_yup == 1Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
435-
436 if (((
(qCompilerCpuF...eatureSSE4_1))Description
TRUEnever evaluated
FALSEnever evaluated
qCompilerCpuFeatures & (static_cast<unsigned long long>(1ULL) << CpuFeatureSSE4_1))
(qCompilerCpuF...eatureSSE4_1))Description
TRUEnever evaluated
FALSEnever evaluated
 || (
(qCpuFeatures(...eatureSSE4_1))Description
TRUEnever evaluated
FALSEnever evaluated
qCpuFeatures() & (static_cast<unsigned long long>(1ULL) << CpuFeatureSSE4_1))
(qCpuFeatures(...eatureSSE4_1))Description
TRUEnever evaluated
FALSEnever evaluated
))		0
437 qt_qimageScaleAARGBA_up_x_down_y_sse4<true>(isi, dest, dw, dh, dow, sow);
never executed: qt_qimageScaleAARGBA_up_x_down_y_sse4<true>(isi, dest, dw, dh, dow, sow);
0
438 else-
439-
440 qt_qimageScaleAARGB_up_x_down_y(isi, dest, dw, dh, dow, sow);
never executed: qt_qimageScaleAARGB_up_x_down_y(isi, dest, dw, dh, dow, sow);
0
441 }-
442-
443 else if (isi->xup_yup == 2
isi->xup_yup == 2Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
444-
445 if (((
(qCompilerCpuF...eatureSSE4_1))Description
TRUEnever evaluated
FALSEnever evaluated
qCompilerCpuFeatures & (static_cast<unsigned long long>(1ULL) << CpuFeatureSSE4_1))
(qCompilerCpuF...eatureSSE4_1))Description
TRUEnever evaluated
FALSEnever evaluated
 || (
(qCpuFeatures(...eatureSSE4_1))Description
TRUEnever evaluated
FALSEnever evaluated
qCpuFeatures() & (static_cast<unsigned long long>(1ULL) << CpuFeatureSSE4_1))
(qCpuFeatures(...eatureSSE4_1))Description
TRUEnever evaluated
FALSEnever evaluated
))		0
446 qt_qimageScaleAARGBA_down_x_up_y_sse4<true>(isi, dest, dw, dh, dow, sow);
never executed: qt_qimageScaleAARGBA_down_x_up_y_sse4<true>(isi, dest, dw, dh, dow, sow);
0
447 else-
448-
449 qt_qimageScaleAARGB_down_x_up_y(isi, dest, dw, dh, dow, sow);
never executed: qt_qimageScaleAARGB_down_x_up_y(isi, dest, dw, dh, dow, sow);
0
450 }-
451-
452 else {-
453-
454 if (((
(qCompilerCpuF...eatureSSE4_1))Description
TRUEnever evaluated
FALSEnever evaluated
qCompilerCpuFeatures & (static_cast<unsigned long long>(1ULL) << CpuFeatureSSE4_1))
(qCompilerCpuF...eatureSSE4_1))Description
TRUEnever evaluated
FALSEnever evaluated
 || (
(qCpuFeatures(...eatureSSE4_1))Description
TRUEnever evaluated
FALSEnever evaluated
qCpuFeatures() & (static_cast<unsigned long long>(1ULL) << CpuFeatureSSE4_1))
(qCpuFeatures(...eatureSSE4_1))Description
TRUEnever evaluated
FALSEnever evaluated
))		0
455 qt_qimageScaleAARGBA_down_xy_sse4<true>(isi, dest, dw, dh, dow, sow);
never executed: qt_qimageScaleAARGBA_down_xy_sse4<true>(isi, dest, dw, dh, dow, sow);
0
456 else-
457-
458 qt_qimageScaleAARGB_down_xy(isi, dest, dw, dh, dow, sow);
never executed: qt_qimageScaleAARGB_down_xy(isi, dest, dw, dh, dow, sow);
0
459 }-
460}-
461-
462-
463inline static void qt_qimageScaleAARGB_helper(const unsigned int *pix, int xyap, int Cxy, int step, int &r, int &g, int &b)-
464{-
465 r = qRed(*pix) * xyap;-
466 g = qGreen(*pix) * xyap;-
467 b = qBlue(*pix) * xyap;-
468 int j;-
469 for (j = (1 << 14) - xyap; j > Cxy
j > CxyDescription
TRUEnever evaluated
FALSEnever evaluated
; j -= Cxy) {		0
470 pix += step;-
471 r += qRed(*pix) * Cxy;-
472 g += qGreen(*pix) * Cxy;-
473 b += qBlue(*pix) * Cxy;-
474 }
never executed: end of block
0
475 pix += step;-
476 r += qRed(*pix) * j;-
477 g += qGreen(*pix) * j;-
478 b += qBlue(*pix) * j;-
479}
never executed: end of block
0
480-
481static void qt_qimageScaleAARGB_up_x_down_y(QImageScaleInfo *isi, unsigned int *dest,-
482 int dw, int dh, int dow, int sow)-
483{-
484 const unsigned int **ypoints = isi->ypoints;-
485 int *xpoints = isi->xpoints;-
486 int *xapoints = isi->xapoints;-
487 int *yapoints = isi->yapoints;-
488-
489-
490 for (int y = 0; y < dh
y < dhDescription
TRUEnever evaluated
FALSEnever evaluated
; y++) {		0
491 int Cy = yapoints[y] >> 16;-
492 int yap = yapoints[y] & 0xffff;-
493-
494 unsigned int *dptr = dest + (y * dow);-
495 for (int x = 0; x < dw
x < dwDescription
TRUEnever evaluated
FALSEnever evaluated
; x++) {		0
496 const unsigned int *sptr = ypoints[y] + xpoints[x];-
497 int r, g, b;-
498 qt_qimageScaleAARGB_helper(sptr, yap, Cy, sow, r, g, b);-
499-
500 int xap = xapoints[x];-
501 if (xap > 0
xap > 0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
502 int rr, bb, gg;-
503 qt_qimageScaleAARGB_helper(sptr + 1, yap, Cy, sow, rr, gg, bb);-
504-
505 r = r * (256 - xap);-
506 g = g * (256 - xap);-
507 b = b * (256 - xap);-
508 r = (r + (rr * xap)) >> 8;-
509 g = (g + (gg * xap)) >> 8;-
510 b = (b + (bb * xap)) >> 8;-
511 }
never executed: end of block
0
512 *dptr++ = qRgb(r >> 14, g >> 14, b >> 14);-
513 }
never executed: end of block
0
514 }
never executed: end of block
0
515}
never executed: end of block
0
516-
517static void qt_qimageScaleAARGB_down_x_up_y(QImageScaleInfo *isi, unsigned int *dest,-
518 int dw, int dh, int dow, int sow)-
519{-
520 const unsigned int **ypoints = isi->ypoints;-
521 int *xpoints = isi->xpoints;-
522 int *xapoints = isi->xapoints;-
523 int *yapoints = isi->yapoints;-
524-
525-
526 for (int y = 0; y < dh
y < dhDescription
TRUEnever evaluated
FALSEnever evaluated
; y++) {		0
527 unsigned int *dptr = dest + (y * dow);-
528 for (int x = 0; x < dw
x < dwDescription
TRUEnever evaluated
FALSEnever evaluated
; x++) {		0
529 int Cx = xapoints[x] >> 16;-
530 int xap = xapoints[x] & 0xffff;-
531-
532 const unsigned int *sptr = ypoints[y] + xpoints[x];-
533 int r, g, b;-
534 qt_qimageScaleAARGB_helper(sptr, xap, Cx, 1, r, g, b);-
535-
536 int yap = yapoints[y];-
537 if (yap > 0
yap > 0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
538 int rr, bb, gg;-
539 qt_qimageScaleAARGB_helper(sptr + sow, xap, Cx, 1, rr, gg, bb);-
540-
541 r = r * (256 - yap);-
542 g = g * (256 - yap);-
543 b = b * (256 - yap);-
544 r = (r + (rr * yap)) >> 8;-
545 g = (g + (gg * yap)) >> 8;-
546 b = (b + (bb * yap)) >> 8;-
547 }
never executed: end of block
0
548 *dptr++ = qRgb(r >> 14, g >> 14, b >> 14);-
549 }
never executed: end of block
0
550 }
never executed: end of block
0
551}
never executed: end of block
0
552-
553static void qt_qimageScaleAARGB_down_xy(QImageScaleInfo *isi, unsigned int *dest,-
554 int dw, int dh, int dow, int sow)-
555{-
556 const unsigned int **ypoints = isi->ypoints;-
557 int *xpoints = isi->xpoints;-
558 int *xapoints = isi->xapoints;-
559 int *yapoints = isi->yapoints;-
560-
561 for (int y = 0; y < dh
y < dhDescription
TRUEnever evaluated
FALSEnever evaluated
; y++) {		0
562 int Cy = yapoints[y] >> 16;-
563 int yap = yapoints[y] & 0xffff;-
564-
565 unsigned int *dptr = dest + (y * dow);-
566 for (int x = 0; x < dw
x < dwDescription
TRUEnever evaluated
FALSEnever evaluated
; x++) {		0
567 int Cx = xapoints[x] >> 16;-
568 int xap = xapoints[x] & 0xffff;-
569-
570 const unsigned int *sptr = ypoints[y] + xpoints[x];-
571 int rx, gx, bx;-
572 qt_qimageScaleAARGB_helper(sptr, xap, Cx, 1, rx, gx, bx);-
573-
574 int r = (rx >> 4) * yap;-
575 int g = (gx >> 4) * yap;-
576 int b = (bx >> 4) * yap;-
577-
578 int j;-
579 for (j = (1 << 14) - yap; j > Cy
j > CyDescription
TRUEnever evaluated
FALSEnever evaluated
; j -= Cy) {		0
580 sptr += sow;-
581 qt_qimageScaleAARGB_helper(sptr, xap, Cx, 1, rx, gx, bx);-
582-
583 r += (rx >> 4) * Cy;-
584 g += (gx >> 4) * Cy;-
585 b += (bx >> 4) * Cy;-
586 }
never executed: end of block
0
587 sptr += sow;-
588 qt_qimageScaleAARGB_helper(sptr, xap, Cx, 1, rx, gx, bx);-
589-
590 r += (rx >> 4) * j;-
591 g += (gx >> 4) * j;-
592 b += (bx >> 4) * j;-
593-
594 *dptr = qRgb(r >> 24, g >> 24, b >> 24);-
595 dptr++;-
596 }
never executed: end of block
0
597 }
never executed: end of block
0
598}
never executed: end of block
0
599-
600QImage qSmoothScaleImage(const QImage &src, int dw, int dh)-
601{-
602 QImage buffer;-
603 if (src.isNull()
src.isNull()Description
TRUEnever evaluated
FALSEnever evaluated
 || dw <= 0
dw <= 0Description
TRUEnever evaluated
FALSEnever evaluated
 || dh <= 0
dh <= 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
604 return
never executed: return buffer;
 buffer;
never executed: return buffer;
0
605-
606 int w = src.width();-
607 int h = src.height();-
608 QImageScaleInfo *scaleinfo =-
609 qimageCalcScaleInfo(src, w, h, dw, dh, true);-
610 if (!scaleinfo
!scaleinfoDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
611 return
never executed: return buffer;
 buffer;
never executed: return buffer;
0
612-
613 buffer = QImage(dw, dh, src.format());-
614 if (buffer.isNull()
buffer.isNull()Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
615 QMessageLogger(__FILE__, 701, __PRETTY_FUNCTION__).warning("QImage: out of memory, returning null");-
616 qimageFreeScaleInfo(scaleinfo);-
617 return
never executed: return QImage();
 QImage();
never executed: return QImage();
0
618 }-
619-
620 if (src.hasAlphaChannel()
src.hasAlphaChannel()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
621 qt_qimageScaleAARGBA(scaleinfo, (unsigned int *)buffer.scanLine(0),
never executed: qt_qimageScaleAARGBA(scaleinfo, (unsigned int *)buffer.scanLine(0), dw, dh, dw, src.bytesPerLine() / 4);
0
622 dw, dh, dw, src.bytesPerLine() / 4);
never executed: qt_qimageScaleAARGBA(scaleinfo, (unsigned int *)buffer.scanLine(0), dw, dh, dw, src.bytesPerLine() / 4);
0
623 else-
624 qt_qimageScaleAARGB(scaleinfo, (unsigned int *)buffer.scanLine(0),
never executed: qt_qimageScaleAARGB(scaleinfo, (unsigned int *)buffer.scanLine(0), dw, dh, dw, src.bytesPerLine() / 4);
0
625 dw, dh, dw, src.bytesPerLine() / 4);
never executed: qt_qimageScaleAARGB(scaleinfo, (unsigned int *)buffer.scanLine(0), dw, dh, dw, src.bytesPerLine() / 4);
0
626-
627 qimageFreeScaleInfo(scaleinfo);-
628 return
never executed: return buffer;
 buffer;
never executed: return buffer;
0
629}-
630-
631-
Switch to Source codePreprocessed file
Generated by Squish Coco Non-Commercial 4.3.0-BETA-master-30-08-2018-4cb69e9