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qrasterizer.cpp

Absolute File Name:/home/qt/qt5_coco/qt5/qtbase/src/gui/painting/qrasterizer.cpp
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1-
2-
3-
4-
5-
6-
7-
8typedef int Q16Dot16;-
9static inline QT_FT_Vector PointToVector(const QPointF &p)-
10{-
11 QT_FT_Vector result = { QT_FT_Pos(p.x() * 64), QT_FT_Pos(p.y() * 64) };-
12 return
never executed: return result;
 result;
never executed: return result;
0
13}-
14-
15class QSpanBuffer {-
16public:-
17 QSpanBuffer(ProcessSpans blend, void *data, const QRect &clipRect)-
18 : m_spanCount(0)-
19 , m_blend(blend)-
20 , m_data(data)-
21 , m_clipRect(clipRect)-
22 {-
23 }
never executed: end of block
0
24-
25 ~QSpanBuffer()-
26 {-
27 flushSpans();-
28 }
never executed: end of block
0
29-
30 void addSpan(int x, unsigned int len, int y, unsigned char coverage)-
31 {-
32 if (!coverage
!coverageDescription
TRUEnever evaluated
FALSEnever evaluated
 || !len
!lenDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
33 return;
never executed: return;
0
34-
35 ((!(y >= m_clipRect.top())) ? qt_assert("y >= m_clipRect.top()",__FILE__,94) : qt_noop());-
36 ((!(y <= m_clipRect.bottom())) ? qt_assert("y <= m_clipRect.bottom()",__FILE__,95) : qt_noop());-
37 ((!(x >= m_clipRect.left())) ? qt_assert("x >= m_clipRect.left()",__FILE__,96) : qt_noop());-
38 ((!(x + int(len) - 1 <= m_clipRect.right())) ? qt_assert("x + int(len) - 1 <= m_clipRect.right()",__FILE__,97) : qt_noop());-
39-
40 m_spans[m_spanCount].x = x;-
41 m_spans[m_spanCount].len = len;-
42 m_spans[m_spanCount].y = y;-
43 m_spans[m_spanCount].coverage = coverage;-
44-
45 if (++
++m_spanCount == 256Description
TRUEnever evaluated
FALSEnever evaluated
m_spanCount == 256
++m_spanCount == 256Description
TRUEnever evaluated
FALSEnever evaluated
)		0
46 flushSpans();
never executed: flushSpans();
0
47 }
never executed: end of block
0
48-
49private:-
50 void flushSpans()-
51 {-
52 m_blend(m_spanCount, m_spans, m_data);-
53 m_spanCount = 0;-
54 }
never executed: end of block
0
55-
56 QT_FT_Span m_spans[256];-
57 int m_spanCount;-
58-
59 ProcessSpans m_blend;-
60 void *m_data;-
61-
62 QRect m_clipRect;-
63};-
64-
65-
66class QScanConverter-
67{-
68public:-
69 QScanConverter();-
70 ~QScanConverter();-
71-
72 void begin(int top, int bottom, int left, int right,-
73 Qt::FillRule fillRule, bool legacyRounding, QSpanBuffer *spanBuffer);-
74 void end();-
75-
76 void mergeCurve(const QT_FT_Vector &a, const QT_FT_Vector &b,-
77 const QT_FT_Vector &c, const QT_FT_Vector &d);-
78 void mergeLine(QT_FT_Vector a, QT_FT_Vector b);-
79-
80 struct Line-
81 {-
82 Q16Dot16 x;-
83 Q16Dot16 delta;-
84-
85 int top, bottom;-
86-
87 int winding;-
88 };-
89-
90private:-
91 struct Intersection-
92 {-
93 int x;-
94 int winding;-
95-
96 int left, right;-
97 };-
98-
99 inline bool clip(Q16Dot16 &xFP, int &iTop, int &iBottom, Q16Dot16 slopeFP, Q16Dot16 edgeFP, int winding);-
100 inline void mergeIntersection(Intersection *head, const Intersection &isect);-
101-
102 void prepareChunk();-
103-
104 void emitNode(const Intersection *node);-
105 void emitSpans(int chunk);-
106-
107 inline void allocate(int size);-
108-
109 QDataBuffer<Line> m_lines;-
110-
111 int m_alloc;-
112 int m_size;-
113-
114 int m_top;-
115 int m_bottom;-
116-
117 Q16Dot16 m_leftFP;-
118 Q16Dot16 m_rightFP;-
119-
120 int m_fillRuleMask;-
121 bool m_legacyRounding;-
122-
123 int m_x;-
124 int m_y;-
125 int m_winding;-
126-
127 Intersection *m_intersections;-
128-
129 QSpanBuffer *m_spanBuffer;-
130-
131 QDataBuffer<Line *> m_active;-
132-
133 template <typename T>-
134 friend void qScanConvert(QScanConverter &d, T allVertical);-
135};-
136-
137class QRasterizerPrivate-
138{-
139public:-
140 bool antialiased;-
141 bool legacyRounding;-
142 ProcessSpans blend;-
143 void *data;-
144 QRect clipRect;-
145-
146 QScanConverter scanConverter;-
147};-
148-
149QScanConverter::QScanConverter()-
150 : m_lines(0)-
151 , m_alloc(0)-
152 , m_size(0)-
153 , m_intersections(0)-
154 , m_active(0)-
155{-
156}
never executed: end of block
0
157-
158QScanConverter::~QScanConverter()-
159{-
160 if (m_intersections
m_intersectionsDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
161 free(m_intersections);
never executed: free(m_intersections);
0
162}
never executed: end of block
0
163-
164void QScanConverter::begin(int top, int bottom, int left, int right,-
165 Qt::FillRule fillRule, bool legacyRounding,-
166 QSpanBuffer *spanBuffer)-
167{-
168 m_top = top;-
169 m_bottom = bottom;-
170 m_leftFP = ((left) * (1 << 16));-
171 m_rightFP = ((right + 1) * (1 << 16));-
172-
173 m_lines.reset();-
174-
175 m_fillRuleMask = fillRule == Qt::WindingFill
fillRule == Qt::WindingFillDescription
TRUEnever evaluated
FALSEnever evaluated
 ? ~0x0 : 0x1;		0
176 m_legacyRounding = legacyRounding;-
177 m_spanBuffer = spanBuffer;-
178}
never executed: end of block
0
179-
180void QScanConverter::prepareChunk()-
181{-
182 m_size = 64;-
183-
184 allocate(64);-
185 memset(m_intersections, 0, 64 * sizeof(Intersection));-
186}
never executed: end of block
0
187-
188void QScanConverter::emitNode(const Intersection *node)-
189{-
190tail_call:-
191 if (node->left
node->leftDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
192 emitNode(node + node->left);
never executed: emitNode(node + node->left);
0
193-
194 if (m_winding & m_fillRuleMask
m_winding & m_fillRuleMaskDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
195 m_spanBuffer->addSpan(m_x, node->x - m_x, m_y, 0xff);
never executed: m_spanBuffer->addSpan(m_x, node->x - m_x, m_y, 0xff);
0
196-
197 m_x = node->x;-
198 m_winding += node->winding;-
199-
200 if (node->right
node->rightDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
201 node += node->right;-
202 goto
never executed: goto tail_call;
 tail_call;
never executed: goto tail_call;
0
203 }-
204}
never executed: end of block
0
205-
206void QScanConverter::emitSpans(int chunk)-
207{-
208 for (int dy = 0; dy < 64
dy < 64Description
TRUEnever evaluated
FALSEnever evaluated
; ++dy) {		0
209 m_x = 0;-
210 m_y = chunk + dy;-
211 m_winding = 0;-
212-
213 emitNode(&m_intersections[dy]);-
214 }
never executed: end of block
0
215}
never executed: end of block
0
216-
217-
218-
219static void split(QT_FT_Vector *b)-
220{-
221 b[6] = b[3];-
222-
223 {-
224 const QT_FT_Pos temp = (b[1].x + b[2].x)/2;-
225-
226 b[1].x = (b[0].x + b[1].x)/2;-
227 b[5].x = (b[2].x + b[3].x)/2;-
228 b[2].x = (b[1].x + temp)/2;-
229 b[4].x = (b[5].x + temp)/2;-
230 b[3].x = (b[2].x + b[4].x)/2;-
231 }-
232 {-
233 const QT_FT_Pos temp = (b[1].y + b[2].y)/2;-
234-
235 b[1].y = (b[0].y + b[1].y)/2;-
236 b[5].y = (b[2].y + b[3].y)/2;-
237 b[2].y = (b[1].y + temp)/2;-
238 b[4].y = (b[5].y + temp)/2;-
239 b[3].y = (b[2].y + b[4].y)/2;-
240 }-
241}
never executed: end of block
0
242-
243static inline bool topOrder(const QScanConverter::Line &a, const QScanConverter::Line &b)-
244{-
245 return
never executed: return a.top < b.top;
 a.top < b.top;
never executed: return a.top < b.top;
0
246}-
247-
248static inline bool xOrder(const QScanConverter::Line *a, const QScanConverter::Line *b)-
249{-
250 return
never executed: return a->x < b->x;
 a->x < b->x;
never executed: return a->x < b->x;
0
251}-
252-
253template <bool B>-
254struct QBoolToType-
255{-
256 inline bool operator()() const-
257 {-
258 return
never executed: return B;
 B;
never executed: return B;
0
259 }-
260};-
261-
262-
263template <typename T>-
264void qScanConvert(QScanConverter &d, T allVertical)-
265{-
266 if (!d.m_lines.size()
!d.m_lines.size()Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
267 d.m_active.reset();-
268 return;
never executed: return;
0
269 }-
270 std::sort(d.m_lines.data(), d.m_lines.data() + d.m_lines.size(), ::topOrder);-
271 int line = 0;-
272 for (int y = d.m_lines.first().top; y <= d.m_bottom
y <= d.m_bottomDescription
TRUEnever evaluated
FALSEnever evaluated
; ++y) {		0
273 for (; line < d.m_lines.size()
line < d.m_lines.size()Description
TRUEnever evaluated
FALSEnever evaluated
 && d.m_lines.at(line).top == y
d.m_lines.at(line).top == yDescription
TRUEnever evaluated
FALSEnever evaluated
; ++line) {		0
274-
275 if (allVertical()
allVertical()Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
276 QScanConverter::Line *l = &d.m_lines.at(line);-
277 d.m_active.resize(d.m_active.size() + 1);-
278 int j;-
279 for (j = d.m_active.size() - 2; j >= 0
j >= 0Description
TRUEnever evaluated
FALSEnever evaluated
 && ::
::xOrder(l, d.m_active.at(j))Description
TRUEnever evaluated
FALSEnever evaluated
xOrder(l, d.m_active.at(j))
::xOrder(l, d.m_active.at(j))Description
TRUEnever evaluated
FALSEnever evaluated
; --j)		0
280 d.m_active.at(j+1) = d.m_active.at(j);
never executed: d.m_active.at(j+1) = d.m_active.at(j);
0
281 d.m_active.at(j+1) = l;-
282 }
never executed: end of block
 else {		0
283 d.m_active << &d.m_lines.at(line);-
284 }
never executed: end of block
0
285 }-
286-
287 int numActive = d.m_active.size();-
288 if (!allVertical()
!allVertical()Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
289-
290-
291 for (int i = 1; i < numActive
i < numActiveDescription
TRUEnever evaluated
FALSEnever evaluated
; ++i) {		0
292 QScanConverter::Line *l = d.m_active.at(i);-
293 int j;-
294 for (j = i-1; j >= 0
j >= 0Description
TRUEnever evaluated
FALSEnever evaluated
 && ::
::xOrder(l, d.m_active.at(j))Description
TRUEnever evaluated
FALSEnever evaluated
xOrder(l, d.m_active.at(j))
::xOrder(l, d.m_active.at(j))Description
TRUEnever evaluated
FALSEnever evaluated
; --j)		0
295 d.m_active.at(j+1) = d.m_active.at(j);
never executed: d.m_active.at(j+1) = d.m_active.at(j);
0
296 d.m_active.at(j+1) = l;-
297 }
never executed: end of block
0
298 }
never executed: end of block
0
299-
300 int x = 0;-
301 int winding = 0;-
302 for (int i = 0; i < numActive
i < numActiveDescription
TRUEnever evaluated
FALSEnever evaluated
; ++i) {		0
303 QScanConverter::Line *node = d.m_active.at(i);-
304-
305 const int current = ((node->x) >> 16);-
306 if (winding & d.m_fillRuleMask
winding & d.m_fillRuleMaskDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
307 d.m_spanBuffer->addSpan(x, current - x, y, 0xff);
never executed: d.m_spanBuffer->addSpan(x, current - x, y, 0xff);
0
308-
309 x = current;-
310 winding += node->winding;-
311-
312 if (node->bottom == y
node->bottom == yDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
313-
314 for (int j = i; j < numActive - 1
j < numActive - 1Description
TRUEnever evaluated
FALSEnever evaluated
; ++j)		0
315 d.m_active.at(j) = d.m_active.at(j+1);
never executed: d.m_active.at(j) = d.m_active.at(j+1);
0
316-
317 d.m_active.resize(--numActive);-
318 --i;-
319 }
never executed: end of block
 else if (!allVertical()
!allVertical()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
320 node->x += node->delta;
never executed: node->x += node->delta;
0
321 }
never executed: end of block
0
322 }
never executed: end of block
0
323 d.m_active.reset();-
324}
never executed: end of block
0
325-
326void QScanConverter::end()-
327{-
328 if (m_lines.isEmpty()
m_lines.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
329 return;
never executed: return;
0
330-
331 if (m_lines.size() <= 32
m_lines.size() <= 32Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
332 bool allVertical = true;-
333 for (int i = 0; i < m_lines.size()
i < m_lines.size()Description
TRUEnever evaluated
FALSEnever evaluated
; ++i) {		0
334 if (m_lines.at(i).delta
m_lines.at(i).deltaDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
335 allVertical = false;-
336 break;
never executed: break;
0
337 }-
338 }
never executed: end of block
0
339 if (allVertical
allVerticalDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
340 qScanConvert(*this, QBoolToType<true>());
never executed: qScanConvert(*this, QBoolToType<true>());
0
341 else-
342 qScanConvert(*this, QBoolToType<false>());
never executed: qScanConvert(*this, QBoolToType<false>());
0
343 } else {-
344 for (int chunkTop = m_top; chunkTop <= m_bottom
chunkTop <= m_bottomDescription
TRUEnever evaluated
FALSEnever evaluated
; chunkTop += 64) {		0
345 prepareChunk();-
346-
347 Intersection isect = { 0, 0, 0, 0 };-
348-
349 const int chunkBottom = chunkTop + 64;-
350 for (int i = 0; i < m_lines.size()
i < m_lines.size()Description
TRUEnever evaluated
FALSEnever evaluated
; ++i) {		0
351 Line &line = m_lines.at(i);-
352-
353 if ((
(line.bottom < chunkTop)Description
TRUEnever evaluated
FALSEnever evaluated
line.bottom < chunkTop)
(line.bottom < chunkTop)Description
TRUEnever evaluated
FALSEnever evaluated
 || (
(line.top > chunkBottom)Description
TRUEnever evaluated
FALSEnever evaluated
line.top > chunkBottom)
(line.top > chunkBottom)Description
TRUEnever evaluated
FALSEnever evaluated
)		0
354 continue;
never executed: continue;
0
355-
356 const int top = qMax(0, line.top - chunkTop);-
357 const int bottom = qMin(64, line.bottom + 1 - chunkTop);-
358 allocate(m_size + bottom - top);-
359-
360 isect.winding = line.winding;-
361-
362 Intersection *it = m_intersections + top;-
363 Intersection *end = m_intersections + bottom;-
364-
365 if (line.delta
line.deltaDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
366 for (; it != end
it != endDescription
TRUEnever evaluated
FALSEnever evaluated
; ++it) {		0
367 isect.x = ((line.x) >> 16);-
368 line.x += line.delta;-
369 mergeIntersection(it, isect);-
370 }
never executed: end of block
0
371 }
never executed: end of block
 else {		0
372 isect.x = ((line.x) >> 16);-
373 for (; it != end
it != endDescription
TRUEnever evaluated
FALSEnever evaluated
; ++it)		0
374 mergeIntersection(it, isect);
never executed: mergeIntersection(it, isect);
0
375 }
never executed: end of block
0
376 }-
377-
378 emitSpans(chunkTop);-
379 }
never executed: end of block
0
380 }
never executed: end of block
0
381-
382 if (m_alloc > 1024
m_alloc > 1024Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
383 free(m_intersections);-
384 m_alloc = 0;-
385 m_size = 0;-
386 m_intersections = 0;-
387 }
never executed: end of block
0
388-
389 if (m_lines.size() > 1024
m_lines.size() > 1024Description
TRUEnever evaluated
FALSEnever evaluated
)		0
390 m_lines.shrink(1024);
never executed: m_lines.shrink(1024);
0
391}
never executed: end of block
0
392-
393inline void QScanConverter::allocate(int size)-
394{-
395 if (m_alloc < size
m_alloc < sizeDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
396 int newAlloc = qMax(size, 2 * m_alloc);-
397 m_intersections = q_check_ptr((Intersection *)realloc(m_intersections, newAlloc * sizeof(Intersection)));-
398 m_alloc = newAlloc;-
399 }
never executed: end of block
0
400}
never executed: end of block
0
401-
402inline void QScanConverter::mergeIntersection(Intersection *it, const Intersection &isect)-
403{-
404 Intersection *current = it;-
405-
406 while (isect.x != current->x
isect.x != current->xDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
407 int &next = isect.x < current->x
isect.x < current->xDescription
TRUEnever evaluated
FALSEnever evaluated
 ? current->left : current->right;		0
408 if (next
nextDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
409 current += next;
never executed: current += next;
0
410 else {-
411 Intersection *last = m_intersections + m_size;-
412 next = last - current;-
413 *last = isect;-
414 ++m_size;-
415 return;
never executed: return;
0
416 }-
417 }-
418-
419 current->winding += isect.winding;-
420}
never executed: end of block
0
421-
422void QScanConverter::mergeCurve(const QT_FT_Vector &pa, const QT_FT_Vector &pb,-
423 const QT_FT_Vector &pc, const QT_FT_Vector &pd)-
424{-
425-
426 QT_FT_Vector beziers[4 + 3 * 32];-
427-
428 QT_FT_Vector *b = beziers;-
429-
430 b[0] = pa;-
431 b[1] = pb;-
432 b[2] = pc;-
433 b[3] = pd;-
434-
435 const QT_FT_Pos flatness = 16;-
436-
437 while (b >= beziers
b >= beziersDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
438 QT_FT_Vector delta = { b[3].x - b[0].x, b[3].y - b[0].y };-
439 QT_FT_Pos l = qAbs(delta.x) + qAbs(delta.y);-
440-
441 bool belowThreshold;-
442 if (l > 64
l > 64Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
443 qlonglong d2 = qAbs(qlonglong(b[1].x-b[0].x) * qlonglong(delta.y) --
444 qlonglong(b[1].y-b[0].y) * qlonglong(delta.x));-
445 qlonglong d3 = qAbs(qlonglong(b[2].x-b[0].x) * qlonglong(delta.y) --
446 qlonglong(b[2].y-b[0].y) * qlonglong(delta.x));-
447-
448 qlonglong d = d2 + d3;-
449-
450 belowThreshold = (d <= qlonglong(flatness) * qlonglong(l));-
451 }
never executed: end of block
 else {		0
452 QT_FT_Pos d = qAbs(b[0].x-b[1].x) + qAbs(b[0].y-b[1].y) +-
453 qAbs(b[0].x-b[2].x) + qAbs(b[0].y-b[2].y);-
454-
455 belowThreshold = (d <= flatness);-
456 }
never executed: end of block
0
457-
458 if (belowThreshold
belowThresholdDescription
TRUEnever evaluated
FALSEnever evaluated
 || b == beziers + 3 * 32
b == beziers + 3 * 32Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
459 mergeLine(b[0], b[3]);-
460 b -= 3;-
461 continue;
never executed: continue;
0
462 }-
463-
464 split(b);-
465 b += 3;-
466 }
never executed: end of block
0
467}
never executed: end of block
0
468-
469inline bool QScanConverter::clip(Q16Dot16 &xFP, int &iTop, int &iBottom, Q16Dot16 slopeFP, Q16Dot16 edgeFP, int winding)-
470{-
471 bool right = edgeFP == m_rightFP;-
472-
473 if (xFP == edgeFP
xFP == edgeFPDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
474 if ((
(slopeFP > 0) ^ rightDescription
TRUEnever evaluated
FALSEnever evaluated
slopeFP > 0) ^ right
(slopeFP > 0) ^ rightDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
475 return
never executed: return false;
 false;
never executed: return false;
0
476 else {-
477 Line line = { edgeFP, 0, iTop, iBottom, winding };-
478 m_lines.add(line);-
479 return
never executed: return true;
 true;
never executed: return true;
0
480 }-
481 }-
482-
483 Q16Dot16 lastFP = xFP + slopeFP * (iBottom - iTop);-
484-
485 if (lastFP == edgeFP
lastFP == edgeFPDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
486 if ((
(slopeFP < 0) ^ rightDescription
TRUEnever evaluated
FALSEnever evaluated
slopeFP < 0) ^ right
(slopeFP < 0) ^ rightDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
487 return
never executed: return false;
 false;
never executed: return false;
0
488 else {-
489 Line line = { edgeFP, 0, iTop, iBottom, winding };-
490 m_lines.add(line);-
491 return
never executed: return true;
 true;
never executed: return true;
0
492 }-
493 }-
494-
495-
496 if ((
(lastFP < edge...(xFP < edgeFP)Description
TRUEnever evaluated
FALSEnever evaluated
lastFP < edgeFP) ^ (xFP < edgeFP)
(lastFP < edge...(xFP < edgeFP)Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
497 Q16Dot16 deltaY = Q16Dot16((edgeFP - xFP) / ((slopeFP)/65536.));-
498-
499 if ((
(xFP < edgeFP) ^ rightDescription
TRUEnever evaluated
FALSEnever evaluated
xFP < edgeFP) ^ right
(xFP < edgeFP) ^ rightDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
500-
501 int iHeight = ((deltaY + 1) >> 16);-
502 int iMiddle = iTop + iHeight;-
503-
504 Line line = { edgeFP, 0, iTop, iMiddle, winding };-
505 m_lines.add(line);-
506-
507 if (iMiddle != iBottom
iMiddle != iBottomDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
508 xFP += slopeFP * (iHeight + 1);-
509 iTop = iMiddle + 1;-
510 }
never executed: end of block
 else		0
511 return
never executed: return true;
 true;
never executed: return true;
0
512 } else {-
513-
514 int iHeight = ((deltaY) >> 16);-
515 int iMiddle = iTop + iHeight;-
516-
517 if (iMiddle != iBottom
iMiddle != iBottomDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
518 Line line = { edgeFP, 0, iMiddle + 1, iBottom, winding };-
519 m_lines.add(line);-
520-
521 iBottom = iMiddle;-
522 }
never executed: end of block
0
523 }
never executed: end of block
0
524 return
never executed: return false;
 false;
never executed: return false;
0
525 } else if ((
(xFP < edgeFP) ^ rightDescription
TRUEnever evaluated
FALSEnever evaluated
xFP < edgeFP) ^ right
(xFP < edgeFP) ^ rightDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
526 Line line = { edgeFP, 0, iTop, iBottom, winding };-
527 m_lines.add(line);-
528 return
never executed: return true;
 true;
never executed: return true;
0
529 }-
530-
531 return
never executed: return false;
 false;
never executed: return false;
0
532}-
533-
534void QScanConverter::mergeLine(QT_FT_Vector a, QT_FT_Vector b)-
535{-
536 int winding = 1;-
537-
538 if (a.y > b.y
a.y > b.yDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
539 qSwap(a, b);-
540 winding = -1;-
541 }
never executed: end of block
0
542-
543 if (m_legacyRounding
m_legacyRoundingDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
544 a.x += 32;-
545 a.y += 32;-
546 b.x += 32;-
547 b.y += 32;-
548 }
never executed: end of block
0
549-
550 int rounding = m_legacyRounding
m_legacyRoundingDescription
TRUEnever evaluated
FALSEnever evaluated
 ? 1 : 0;		0
551-
552 int iTop = qMax(m_top, int((a.y + 32 - rounding) >> 6));-
553 int iBottom = qMin(m_bottom, int((b.y - 32 - rounding) >> 6));-
554-
555 if (iTop <= iBottom
iTop <= iBottomDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
556 Q16Dot16 aFP = 65536/2 + (a.x * (1 << 10)) - rounding;-
557-
558 if (b.x == a.x
b.x == a.xDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
559 Line line = { qBound(m_leftFP, aFP, m_rightFP), 0, iTop, iBottom, winding };-
560 m_lines.add(line);-
561 }
never executed: end of block
 else {		0
562 const qreal slope = (b.x - a.x) / qreal(b.y - a.y);-
563-
564 const Q16Dot16 slopeFP = (int)((slope) * 65536.);-
565-
566 Q16Dot16 xFP = aFP + (int)((qlonglong(slopeFP) * qlonglong(((iTop) * (1 << 16)) + 65536/2 - (a.y * (1 << 10)))) >> 16)-
567-
568 ;-
569-
570 if (clip(xFP, iTop, iBottom, slopeFP, m_leftFP, winding)
clip(xFP, iTop...ftFP, winding)Description
TRUEnever evaluated
FALSEnever evaluated
)		0
571 return;
never executed: return;
0
572-
573 if (clip(xFP, iTop, iBottom, slopeFP, m_rightFP, winding)
clip(xFP, iTop...htFP, winding)Description
TRUEnever evaluated
FALSEnever evaluated
)		0
574 return;
never executed: return;
0
575-
576 ((!(xFP >= m_leftFP)) ? qt_assert("xFP >= m_leftFP",__FILE__,635) : qt_noop());-
577-
578 Line line = { xFP, slopeFP, iTop, iBottom, winding };-
579 m_lines.add(line);-
580 }
never executed: end of block
0
581 }-
582}
never executed: end of block
0
583-
584QRasterizer::QRasterizer()-
585 : d(new QRasterizerPrivate)-
586{-
587 d->legacyRounding = false;-
588}
never executed: end of block
0
589-
590QRasterizer::~QRasterizer()-
591{-
592 delete d;-
593}
never executed: end of block
0
594-
595void QRasterizer::setAntialiased(bool antialiased)-
596{-
597 d->antialiased = antialiased;-
598}
never executed: end of block
0
599-
600void QRasterizer::initialize(ProcessSpans blend, void *data)-
601{-
602 d->blend = blend;-
603 d->data = data;-
604}
never executed: end of block
0
605-
606void QRasterizer::setClipRect(const QRect &clipRect)-
607{-
608 d->clipRect = clipRect;-
609}
never executed: end of block
0
610-
611void QRasterizer::setLegacyRoundingEnabled(bool legacyRoundingEnabled)-
612{-
613 d->legacyRounding = legacyRoundingEnabled;-
614}
never executed: end of block
0
615-
616static Q16Dot16 intersectPixelFP(int x, Q16Dot16 top, Q16Dot16 bottom, Q16Dot16 leftIntersectX, Q16Dot16 rightIntersectX, Q16Dot16 slope, Q16Dot16 invSlope)-
617{-
618 Q16Dot16 leftX = ((x) * (1 << 16));-
619 Q16Dot16 rightX = ((x) * (1 << 16)) + 65536;-
620-
621 Q16Dot16 leftIntersectY, rightIntersectY;-
622 if (slope > 0
slope > 0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
623 leftIntersectY = top + (int)((qlonglong(leftX - leftIntersectX) * qlonglong(invSlope)) >> 16);-
624 rightIntersectY = leftIntersectY + invSlope;-
625 }
never executed: end of block
 else {		0
626 leftIntersectY = top + (int)((qlonglong(leftX - rightIntersectX) * qlonglong(invSlope)) >> 16);-
627 rightIntersectY = leftIntersectY + invSlope;-
628 }
never executed: end of block
0
629-
630 if (leftIntersectX >= leftX
leftIntersectX >= leftXDescription
TRUEnever evaluated
FALSEnever evaluated
 && rightIntersectX <= rightX
rightIntersectX <= rightXDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
631 return
never executed: return (int)((qlonglong(bottom - top) * qlonglong(leftIntersectX - leftX + ((rightIntersectX - leftIntersectX) >> 1))) >> 16);
 (int)((qlonglong(bottom - top) * qlonglong(leftIntersectX - leftX + ((rightIntersectX - leftIntersectX) >> 1))) >> 16);
never executed: return (int)((qlonglong(bottom - top) * qlonglong(leftIntersectX - leftX + ((rightIntersectX - leftIntersectX) >> 1))) >> 16);
0
632 } else if (leftIntersectX >= rightX
leftIntersectX >= rightXDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
633 return
never executed: return bottom - top;
 bottom - top;
never executed: return bottom - top;
0
634 } else if (leftIntersectX >= leftX
leftIntersectX >= leftXDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
635 if (slope > 0
slope > 0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
636 return
never executed: return (bottom - top) - ((((rightX - leftIntersectX) >> 1) * (rightIntersectY - top)) >> 16);
 (bottom - top) - ((((rightX - leftIntersectX) >> 1) * (rightIntersectY - top)) >> 16);
never executed: return (bottom - top) - ((((rightX - leftIntersectX) >> 1) * (rightIntersectY - top)) >> 16);
0
637 } else {-
638 return
never executed: return (bottom - top) - ((((rightX - leftIntersectX) >> 1) * (bottom - rightIntersectY)) >> 16);
 (bottom - top) - ((((rightX - leftIntersectX) >> 1) * (bottom - rightIntersectY)) >> 16);
never executed: return (bottom - top) - ((((rightX - leftIntersectX) >> 1) * (bottom - rightIntersectY)) >> 16);
0
639 }-
640 } else if (rightIntersectX <= leftX
rightIntersectX <= leftXDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
641 return
never executed: return 0;
 0;
never executed: return 0;
0
642 } else if (rightIntersectX <= rightX
rightIntersectX <= rightXDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
643 if (slope > 0
slope > 0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
644 return
never executed: return ((((rightIntersectX - leftX) >> 1) * (bottom - leftIntersectY)) >> 16);
 ((((rightIntersectX - leftX) >> 1) * (bottom - leftIntersectY)) >> 16);
never executed: return ((((rightIntersectX - leftX) >> 1) * (bottom - leftIntersectY)) >> 16);
0
645 } else {-
646 return
never executed: return ((((rightIntersectX - leftX) >> 1) * (leftIntersectY - top)) >> 16);
 ((((rightIntersectX - leftX) >> 1) * (leftIntersectY - top)) >> 16);
never executed: return ((((rightIntersectX - leftX) >> 1) * (leftIntersectY - top)) >> 16);
0
647 }-
648 } else {-
649 if (slope > 0
slope > 0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
650 return
never executed: return (bottom - rightIntersectY) + ((rightIntersectY - leftIntersectY) >> 1);
 (bottom - rightIntersectY) + ((rightIntersectY - leftIntersectY) >> 1);
never executed: return (bottom - rightIntersectY) + ((rightIntersectY - leftIntersectY) >> 1);
0
651 } else {-
652 return
never executed: return (rightIntersectY - top) + ((leftIntersectY - rightIntersectY) >> 1);
 (rightIntersectY - top) + ((leftIntersectY - rightIntersectY) >> 1);
never executed: return (rightIntersectY - top) + ((leftIntersectY - rightIntersectY) >> 1);
0
653 }-
654 }-
655}-
656-
657static inline bool q26Dot6Compare(qreal p1, qreal p2)-
658{-
659 return
never executed: return int((p2 - p1) * 64.) == 0;
 int((p2 - p1) * 64.) == 0;
never executed: return int((p2 - p1) * 64.) == 0;
0
660}-
661-
662static inline QPointF snapTo26Dot6Grid(const QPointF &p)-
663{-
664 return
never executed: return QPointF(std::floor(p.x() * 64) * (1 / qreal(64)), std::floor(p.y() * 64) * (1 / qreal(64)));
 QPointF(std::floor(p.x() * 64) * (1 / qreal(64)),
never executed: return QPointF(std::floor(p.x() * 64) * (1 / qreal(64)), std::floor(p.y() * 64) * (1 / qreal(64)));
0
665 std::floor(p.y() * 64) * (1 / qreal(64)));
never executed: return QPointF(std::floor(p.x() * 64) * (1 / qreal(64)), std::floor(p.y() * 64) * (1 / qreal(64)));
0
666}-
667static inline qreal qSafeDivide(qreal x, qreal y)-
668{-
669 if (y == 0
y == 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
670 return
never executed: return x > 0 ? 1e20 : -1e20;
 x > 0 ? 1e20 : -1e20;
never executed: return x > 0 ? 1e20 : -1e20;
0
671 return
never executed: return x / y;
 x / y;
never executed: return x / y;
0
672}-
673-
674-
675-
676-
677-
678static inline int qSafeFloatToQ16Dot16(qreal x)-
679{-
680 qreal tmp = x * 65536.;-
681 if (tmp > qreal(2147483647)
tmp > qreal(2147483647)Description
TRUEnever evaluated
FALSEnever evaluated
)		0
682 return
never executed: return 2147483647;
 2147483647;
never executed: return 2147483647;
0
683 else if (tmp < qreal((-2147483647 - 1))
tmp < qreal((-2147483647 - 1))Description
TRUEnever evaluated
FALSEnever evaluated
)		0
684 return
never executed: return -2147483647;
 -2147483647;
never executed: return -2147483647;
0
685 return
never executed: return int(tmp);
 int(tmp);
never executed: return int(tmp);
0
686}-
687-
688void QRasterizer::rasterizeLine(const QPointF &a, const QPointF &b, qreal width, bool squareCap)-
689{-
690 if (a == b
a == bDescription
TRUEnever evaluated
FALSEnever evaluated
 || width == 0
width == 0Description
TRUEnever evaluated
FALSEnever evaluated
 || d->clipRect.isEmpty()
d->clipRect.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
691 return;
never executed: return;
0
692-
693 ((!(width > 0.0)) ? qt_assert("width > 0.0",__FILE__,761) : qt_noop());-
694-
695 QPointF pa = a;-
696 QPointF pb = b;-
697-
698 if (squareCap
squareCapDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
699 QPointF delta = pb - pa;-
700 pa -= (0.5f * width) * delta;-
701 pb += (0.5f * width) * delta;-
702 }
never executed: end of block
0
703-
704 QPointF offs = QPointF(qAbs(b.y() - a.y()), qAbs(b.x() - a.x())) * width * 0.5;-
705 const QRectF clip(d->clipRect.topLeft() - offs, d->clipRect.bottomRight() + QPoint(1, 1) + offs);-
706-
707 if (!clip.contains(pa)
!clip.contains(pa)Description
TRUEnever evaluated
FALSEnever evaluated
 || !clip.contains(pb)
!clip.contains(pb)Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
708 qreal t1 = 0;-
709 qreal t2 = 1;-
710-
711 const qreal o[2] = { pa.x(), pa.y() };-
712 const qreal d[2] = { pb.x() - pa.x(), pb.y() - pa.y() };-
713-
714 const qreal low[2] = { clip.left(), clip.top() };-
715 const qreal high[2] = { clip.right(), clip.bottom() };-
716-
717 for (int i = 0; i < 2
i < 2Description
TRUEnever evaluated
FALSEnever evaluated
; ++i) {		0
718 if (d[i] == 0
d[i] == 0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
719 if (o[i] <= low[i]
o[i] <= low[i]Description
TRUEnever evaluated
FALSEnever evaluated
 || o[i] >= high[i]
o[i] >= high[i]Description
TRUEnever evaluated
FALSEnever evaluated
)		0
720 return;
never executed: return;
0
721 continue;
never executed: continue;
0
722 }-
723 const qreal d_inv = 1 / d[i];-
724 qreal t_low = (low[i] - o[i]) * d_inv;-
725 qreal t_high = (high[i] - o[i]) * d_inv;-
726 if (t_low > t_high
t_low > t_highDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
727 qSwap(t_low, t_high);
never executed: qSwap(t_low, t_high);
0
728 if (t1 < t_low
t1 < t_lowDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
729 t1 = t_low;
never executed: t1 = t_low;
0
730 if (t2 > t_high
t2 > t_highDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
731 t2 = t_high;
never executed: t2 = t_high;
0
732 if (t1 >= t2
t1 >= t2Description
TRUEnever evaluated
FALSEnever evaluated
)		0
733 return;
never executed: return;
0
734 }
never executed: end of block
0
735-
736 QPointF npa = pa + (pb - pa) * t1;-
737 QPointF npb = pa + (pb - pa) * t2;-
738-
739 pa = npa;-
740 pb = npb;-
741 }
never executed: end of block
0
742-
743 if (!d->antialiased
!d->antialiasedDescription
TRUEnever evaluated
FALSEnever evaluated
 && d->legacyRounding
d->legacyRoundingDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
744 pa.rx() += (32 - 1)/64.;-
745 pa.ry() += (32 - 1)/64.;-
746 pb.rx() += (32 - 1)/64.;-
747 pb.ry() += (32 - 1)/64.;-
748 }
never executed: end of block
0
749-
750 {-
751-
752 const QPointF d0 = a - b;-
753 const qreal w0 = d0.x() * d0.x() + d0.y() * d0.y();-
754-
755-
756 const QPointF d = pa - pb;-
757 const qreal w = d.x() * d.x() + d.y() * d.y();-
758-
759 if (w == 0
w == 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
760 return;
never executed: return;
0
761-
762-
763 width *= qSqrt(w0 / w);-
764 }-
765-
766 QSpanBuffer buffer(d->blend, d->data, d->clipRect);-
767-
768 if (q26Dot6Compare(pa.y(), pb.y())
q26Dot6Compare(pa.y(), pb.y())Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
769 const qreal x = (pa.x() + pb.x()) * 0.5f;-
770 const qreal dx = qAbs(pb.x() - pa.x()) * 0.5f;-
771-
772 const qreal y = pa.y();-
773 const qreal dy = width * dx;-
774-
775 pa = QPointF(x, y - dy);-
776 pb = QPointF(x, y + dy);-
777-
778 width = 1 / width;-
779 }
never executed: end of block
0
780-
781 if (q26Dot6Compare(pa.x(), pb.x())
q26Dot6Compare(pa.x(), pb.x())Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
782 if (pa.y() > pb.y()
pa.y() > pb.y()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
783 qSwap(pa, pb);
never executed: qSwap(pa, pb);
0
784-
785 const qreal dy = pb.y() - pa.y();-
786 const qreal halfWidth = 0.5f * width * dy;-
787-
788 qreal left = pa.x() - halfWidth;-
789 qreal right = pa.x() + halfWidth;-
790-
791 left = qBound(qreal(d->clipRect.left()), left, qreal(d->clipRect.right() + 1));-
792 right = qBound(qreal(d->clipRect.left()), right, qreal(d->clipRect.right() + 1));-
793-
794 pa.ry() = qBound(qreal(d->clipRect.top()), pa.y(), qreal(d->clipRect.bottom() + 1));-
795 pb.ry() = qBound(qreal(d->clipRect.top()), pb.y(), qreal(d->clipRect.bottom() + 1));-
796-
797 if (q26Dot6Compare(left, right)
q26Dot6Compare(left, right)Description
TRUEnever evaluated
FALSEnever evaluated
 || q26Dot6Compare(pa.y(), pb.y())
q26Dot6Compare(pa.y(), pb.y())Description
TRUEnever evaluated
FALSEnever evaluated
)		0
798 return;
never executed: return;
0
799-
800 if (d->antialiased
d->antialiasedDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
801 const Q16Dot16 iLeft = int(left);-
802 const Q16Dot16 iRight = int(right);-
803 const Q16Dot16 leftWidth = ((iLeft + 1) * (1 << 16))-
804 - qSafeFloatToQ16Dot16(left);-
805 const Q16Dot16 rightWidth = qSafeFloatToQ16Dot16(right)-
806 - ((iRight) * (1 << 16));-
807-
808 Q16Dot16 coverage[3];-
809 int x[3];-
810 int len[3];-
811-
812 int n = 1;-
813 if (iLeft == iRight
iLeft == iRightDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
814 coverage[0] = (leftWidth + rightWidth) * 255;-
815 x[0] = iLeft;-
816 len[0] = 1;-
817 }
never executed: end of block
 else {		0
818 coverage[0] = leftWidth * 255;-
819 x[0] = iLeft;-
820 len[0] = 1;-
821 if (leftWidth == 65536
leftWidth == 65536Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
822 len[0] = iRight - iLeft;-
823 }
never executed: end of block
 else if (iRight - iLeft > 1
iRight - iLeft > 1Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
824 coverage[1] = ((255) * (1 << 16));-
825 x[1] = iLeft + 1;-
826 len[1] = iRight - iLeft - 1;-
827 ++n;-
828 }
never executed: end of block
0
829 if (rightWidth
rightWidthDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
830 coverage[n] = rightWidth * 255;-
831 x[n] = iRight;-
832 len[n] = 1;-
833 ++n;-
834 }
never executed: end of block
0
835 }
never executed: end of block
0
836-
837 const Q16Dot16 iTopFP = ((int(pa.y())) * (1 << 16));-
838 const Q16Dot16 iBottomFP = ((int(pb.y())) * (1 << 16));-
839 const Q16Dot16 yPa = qSafeFloatToQ16Dot16(pa.y());-
840 const Q16Dot16 yPb = qSafeFloatToQ16Dot16(pb.y());-
841 for (Q16Dot16 yFP = iTopFP; yFP <= iBottomFP
yFP <= iBottomFPDescription
TRUEnever evaluated
FALSEnever evaluated
; yFP += 65536) {		0
842 const Q16Dot16 rowHeight = qMin(yFP + 65536, yPb)-
843 - qMax(yFP, yPa);-
844 const int y = ((yFP) >> 16);-
845 if (y > d->clipRect.bottom()
y > d->clipRect.bottom()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
846 break;
never executed: break;
0
847 for (int i = 0; i < n
i < nDescription
TRUEnever evaluated
FALSEnever evaluated
; ++i) {		0
848 buffer.addSpan(x[i], len[i], y,-
849 (((int)((qlonglong(rowHeight) * qlonglong(coverage[i])) >> 16)) >> 16));-
850 }
never executed: end of block
0
851 }
never executed: end of block
0
852 }
never executed: end of block
 else {		0
853 int iTop = int(pa.y() + 0.5f);-
854 int iBottom = pb.y() < 0.5f
pb.y() < 0.5fDescription
TRUEnever evaluated
FALSEnever evaluated
 ? -1 : int(pb.y() - 0.5f);		0
855 int iLeft = int(left + 0.5f);-
856 int iRight = right < 0.5f
right < 0.5fDescription
TRUEnever evaluated
FALSEnever evaluated
 ? -1 : int(right - 0.5f);		0
857-
858 int iWidth = iRight - iLeft + 1;-
859 for (int y = iTop; y <= iBottom
y <= iBottomDescription
TRUEnever evaluated
FALSEnever evaluated
; ++y)		0
860 buffer.addSpan(iLeft, iWidth, y, 255);
never executed: buffer.addSpan(iLeft, iWidth, y, 255);
0
861 }
never executed: end of block
0
862 } else {-
863 if (pa.y() > pb.y()
pa.y() > pb.y()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
864 qSwap(pa, pb);
never executed: qSwap(pa, pb);
0
865-
866 QPointF delta = pb - pa;-
867 delta *= 0.5f * width;-
868 const QPointF perp(delta.y(), -delta.x());-
869-
870 QPointF top;-
871 QPointF left;-
872 QPointF right;-
873 QPointF bottom;-
874-
875 if (pa.x() < pb.x()
pa.x() < pb.x()Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
876 top = pa + perp;-
877 left = pa - perp;-
878 right = pb + perp;-
879 bottom = pb - perp;-
880 }
never executed: end of block
 else {		0
881 top = pa - perp;-
882 left = pb - perp;-
883 right = pa + perp;-
884 bottom = pb + perp;-
885 }
never executed: end of block
0
886-
887 top = snapTo26Dot6Grid(top);-
888 bottom = snapTo26Dot6Grid(bottom);-
889 left = snapTo26Dot6Grid(left);-
890 right = snapTo26Dot6Grid(right);-
891-
892 const qreal topBound = qBound(qreal(d->clipRect.top()), top.y(), qreal(d->clipRect.bottom()));-
893 const qreal bottomBound = qBound(qreal(d->clipRect.top()), bottom.y(), qreal(d->clipRect.bottom()));-
894-
895 const QPointF topLeftEdge = left - top;-
896 const QPointF topRightEdge = right - top;-
897 const QPointF bottomLeftEdge = bottom - left;-
898 const QPointF bottomRightEdge = bottom - right;-
899-
900 const qreal topLeftSlope = qSafeDivide(topLeftEdge.x(), topLeftEdge.y());-
901 const qreal bottomLeftSlope = qSafeDivide(bottomLeftEdge.x(), bottomLeftEdge.y());-
902-
903 const qreal topRightSlope = qSafeDivide(topRightEdge.x(), topRightEdge.y());-
904 const qreal bottomRightSlope = qSafeDivide(bottomRightEdge.x(), bottomRightEdge.y());-
905-
906 const Q16Dot16 topLeftSlopeFP = qSafeFloatToQ16Dot16(topLeftSlope);-
907 const Q16Dot16 topRightSlopeFP = qSafeFloatToQ16Dot16(topRightSlope);-
908-
909 const Q16Dot16 bottomLeftSlopeFP = qSafeFloatToQ16Dot16(bottomLeftSlope);-
910 const Q16Dot16 bottomRightSlopeFP = qSafeFloatToQ16Dot16(bottomRightSlope);-
911-
912 const Q16Dot16 invTopLeftSlopeFP = qSafeFloatToQ16Dot16(qSafeDivide(1, topLeftSlope));-
913 const Q16Dot16 invTopRightSlopeFP = qSafeFloatToQ16Dot16(qSafeDivide(1, topRightSlope));-
914-
915 const Q16Dot16 invBottomLeftSlopeFP = qSafeFloatToQ16Dot16(qSafeDivide(1, bottomLeftSlope));-
916 const Q16Dot16 invBottomRightSlopeFP = qSafeFloatToQ16Dot16(qSafeDivide(1, bottomRightSlope));-
917-
918 if (d->antialiased
d->antialiasedDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
919 const Q16Dot16 iTopFP = ((int(topBound)) * (1 << 16));-
920 const Q16Dot16 iLeftFP = ((int(left.y())) * (1 << 16));-
921 const Q16Dot16 iRightFP = ((int(right.y())) * (1 << 16));-
922 const Q16Dot16 iBottomFP = ((int(bottomBound)) * (1 << 16));-
923-
924 Q16Dot16 leftIntersectAf = qSafeFloatToQ16Dot16(top.x() + (int(topBound) - top.y()) * topLeftSlope);-
925 Q16Dot16 rightIntersectAf = qSafeFloatToQ16Dot16(top.x() + (int(topBound) - top.y()) * topRightSlope);-
926 Q16Dot16 leftIntersectBf = 0;-
927 Q16Dot16 rightIntersectBf = 0;-
928-
929 if (iLeftFP < iTopFP
iLeftFP < iTopFPDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
930 leftIntersectBf = qSafeFloatToQ16Dot16(left.x() + (int(topBound) - left.y()) * bottomLeftSlope);
never executed: leftIntersectBf = qSafeFloatToQ16Dot16(left.x() + (int(topBound) - left.y()) * bottomLeftSlope);
0
931-
932 if (iRightFP < iTopFP
iRightFP < iTopFPDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
933 rightIntersectBf = qSafeFloatToQ16Dot16(right.x() + (int(topBound) - right.y()) * bottomRightSlope);
never executed: rightIntersectBf = qSafeFloatToQ16Dot16(right.x() + (int(topBound) - right.y()) * bottomRightSlope);
0
934-
935 Q16Dot16 rowTop, rowBottomLeft, rowBottomRight, rowTopLeft, rowTopRight, rowBottom;-
936 Q16Dot16 topLeftIntersectAf, topLeftIntersectBf, topRightIntersectAf, topRightIntersectBf;-
937 Q16Dot16 bottomLeftIntersectAf, bottomLeftIntersectBf, bottomRightIntersectAf, bottomRightIntersectBf;-
938-
939 int leftMin, leftMax, rightMin, rightMax;-
940-
941 const Q16Dot16 yTopFP = qSafeFloatToQ16Dot16(top.y());-
942 const Q16Dot16 yLeftFP = qSafeFloatToQ16Dot16(left.y());-
943 const Q16Dot16 yRightFP = qSafeFloatToQ16Dot16(right.y());-
944 const Q16Dot16 yBottomFP = qSafeFloatToQ16Dot16(bottom.y());-
945-
946 rowTop = qMax(iTopFP, yTopFP);-
947 topLeftIntersectAf = leftIntersectAf +-
948 (int)((qlonglong(topLeftSlopeFP) * qlonglong(rowTop - iTopFP)) >> 16);-
949 topRightIntersectAf = rightIntersectAf +-
950 (int)((qlonglong(topRightSlopeFP) * qlonglong(rowTop - iTopFP)) >> 16);-
951-
952 Q16Dot16 yFP = iTopFP;-
953 while (yFP <= iBottomFP
yFP <= iBottomFPDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
954 rowBottomLeft = qMin(yFP + 65536, yLeftFP);-
955 rowBottomRight = qMin(yFP + 65536, yRightFP);-
956 rowTopLeft = qMax(yFP, yLeftFP);-
957 rowTopRight = qMax(yFP, yRightFP);-
958 rowBottom = qMin(yFP + 65536, yBottomFP);-
959-
960 if (yFP == iLeftFP
yFP == iLeftFPDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
961 const int y = ((yFP) >> 16);-
962 leftIntersectBf = qSafeFloatToQ16Dot16(left.x() + (y - left.y()) * bottomLeftSlope);-
963 topLeftIntersectBf = leftIntersectBf + (int)((qlonglong(bottomLeftSlopeFP) * qlonglong(rowTopLeft - yFP)) >> 16);-
964 bottomLeftIntersectAf = leftIntersectAf + (int)((qlonglong(topLeftSlopeFP) * qlonglong(rowBottomLeft - yFP)) >> 16);-
965 }
never executed: end of block
 else {		0
966 topLeftIntersectBf = leftIntersectBf;-
967 bottomLeftIntersectAf = leftIntersectAf + topLeftSlopeFP;-
968 }
never executed: end of block
0
969-
970 if (yFP == iRightFP
yFP == iRightFPDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
971 const int y = ((yFP) >> 16);-
972 rightIntersectBf = qSafeFloatToQ16Dot16(right.x() + (y - right.y()) * bottomRightSlope);-
973 topRightIntersectBf = rightIntersectBf + (int)((qlonglong(bottomRightSlopeFP) * qlonglong(rowTopRight - yFP)) >> 16);-
974 bottomRightIntersectAf = rightIntersectAf + (int)((qlonglong(topRightSlopeFP) * qlonglong(rowBottomRight - yFP)) >> 16);-
975 }
never executed: end of block
 else {		0
976 topRightIntersectBf = rightIntersectBf;-
977 bottomRightIntersectAf = rightIntersectAf + topRightSlopeFP;-
978 }
never executed: end of block
0
979-
980 if (yFP == iBottomFP
yFP == iBottomFPDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
981 bottomLeftIntersectBf = leftIntersectBf + (int)((qlonglong(bottomLeftSlopeFP) * qlonglong(rowBottom - yFP)) >> 16);-
982 bottomRightIntersectBf = rightIntersectBf + (int)((qlonglong(bottomRightSlopeFP) * qlonglong(rowBottom - yFP)) >> 16);-
983 }
never executed: end of block
 else {		0
984 bottomLeftIntersectBf = leftIntersectBf + bottomLeftSlopeFP;-
985 bottomRightIntersectBf = rightIntersectBf + bottomRightSlopeFP;-
986 }
never executed: end of block
0
987-
988 if (yFP < iLeftFP
yFP < iLeftFPDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
989 leftMin = ((bottomLeftIntersectAf) >> 16);-
990 leftMax = ((topLeftIntersectAf) >> 16);-
991 }
never executed: end of block
 else if (yFP == iLeftFP
yFP == iLeftFPDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
992 leftMin = ((qMax(bottomLeftIntersectAf, topLeftIntersectBf)) >> 16);-
993 leftMax = ((qMax(topLeftIntersectAf, bottomLeftIntersectBf)) >> 16);-
994 }
never executed: end of block
 else {		0
995 leftMin = ((topLeftIntersectBf) >> 16);-
996 leftMax = ((bottomLeftIntersectBf) >> 16);-
997 }
never executed: end of block
0
998-
999 leftMin = qBound(d->clipRect.left(), leftMin, d->clipRect.right());-
1000 leftMax = qBound(d->clipRect.left(), leftMax, d->clipRect.right());-
1001-
1002 if (yFP < iRightFP
yFP < iRightFPDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
1003 rightMin = ((topRightIntersectAf) >> 16);-
1004 rightMax = ((bottomRightIntersectAf) >> 16);-
1005 }
never executed: end of block
 else if (yFP == iRightFP
yFP == iRightFPDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
1006 rightMin = ((qMin(topRightIntersectAf, bottomRightIntersectBf)) >> 16);-
1007 rightMax = ((qMin(bottomRightIntersectAf, topRightIntersectBf)) >> 16);-
1008 }
never executed: end of block
 else {		0
1009 rightMin = ((bottomRightIntersectBf) >> 16);-
1010 rightMax = ((topRightIntersectBf) >> 16);-
1011 }
never executed: end of block
0
1012-
1013 rightMin = qBound(d->clipRect.left(), rightMin, d->clipRect.right());-
1014 rightMax = qBound(d->clipRect.left(), rightMax, d->clipRect.right());-
1015-
1016 if (leftMax > rightMax
leftMax > rightMaxDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
1017 leftMax = rightMax;
never executed: leftMax = rightMax;
0
1018 if (rightMin < leftMin
rightMin < leftMinDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
1019 rightMin = leftMin;
never executed: rightMin = leftMin;
0
1020-
1021 Q16Dot16 rowHeight = rowBottom - rowTop;-
1022-
1023 int x = leftMin;-
1024 while (x <= leftMax
x <= leftMaxDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
1025 Q16Dot16 excluded = 0;-
1026-
1027 if (yFP <= iLeftFP
yFP <= iLeftFPDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
1028 excluded += intersectPixelFP(x, rowTop, rowBottomLeft,
never executed: excluded += intersectPixelFP(x, rowTop, rowBottomLeft, bottomLeftIntersectAf, topLeftIntersectAf, topLeftSlopeFP, invTopLeftSlopeFP);
0
1029 bottomLeftIntersectAf, topLeftIntersectAf,
never executed: excluded += intersectPixelFP(x, rowTop, rowBottomLeft, bottomLeftIntersectAf, topLeftIntersectAf, topLeftSlopeFP, invTopLeftSlopeFP);
0
1030 topLeftSlopeFP, invTopLeftSlopeFP);
never executed: excluded += intersectPixelFP(x, rowTop, rowBottomLeft, bottomLeftIntersectAf, topLeftIntersectAf, topLeftSlopeFP, invTopLeftSlopeFP);
0
1031 if (yFP >= iLeftFP
yFP >= iLeftFPDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
1032 excluded += intersectPixelFP(x, rowTopLeft, rowBottom,
never executed: excluded += intersectPixelFP(x, rowTopLeft, rowBottom, topLeftIntersectBf, bottomLeftIntersectBf, bottomLeftSlopeFP, invBottomLeftSlopeFP);
0
1033 topLeftIntersectBf, bottomLeftIntersectBf,
never executed: excluded += intersectPixelFP(x, rowTopLeft, rowBottom, topLeftIntersectBf, bottomLeftIntersectBf, bottomLeftSlopeFP, invBottomLeftSlopeFP);
0
1034 bottomLeftSlopeFP, invBottomLeftSlopeFP);
never executed: excluded += intersectPixelFP(x, rowTopLeft, rowBottom, topLeftIntersectBf, bottomLeftIntersectBf, bottomLeftSlopeFP, invBottomLeftSlopeFP);
0
1035-
1036 if (x >= rightMin
x >= rightMinDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
1037 if (yFP <= iRightFP
yFP <= iRightFPDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
1038 excluded += (rowBottomRight - rowTop) - intersectPixelFP(x, rowTop, rowBottomRight,
never executed: excluded += (rowBottomRight - rowTop) - intersectPixelFP(x, rowTop, rowBottomRight, topRightIntersectAf, bottomRightIntersectAf, topRightSlopeFP, invTopRightSlopeFP);
0
1039 topRightIntersectAf, bottomRightIntersectAf,
never executed: excluded += (rowBottomRight - rowTop) - intersectPixelFP(x, rowTop, rowBottomRight, topRightIntersectAf, bottomRightIntersectAf, topRightSlopeFP, invTopRightSlopeFP);
0
1040 topRightSlopeFP, invTopRightSlopeFP);
never executed: excluded += (rowBottomRight - rowTop) - intersectPixelFP(x, rowTop, rowBottomRight, topRightIntersectAf, bottomRightIntersectAf, topRightSlopeFP, invTopRightSlopeFP);
0
1041 if (yFP >= iRightFP
yFP >= iRightFPDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
1042 excluded += (rowBottom - rowTopRight) - intersectPixelFP(x, rowTopRight, rowBottom,
never executed: excluded += (rowBottom - rowTopRight) - intersectPixelFP(x, rowTopRight, rowBottom, bottomRightIntersectBf, topRightIntersectBf, bottomRightSlopeFP, invBottomRightSlopeFP);
0
1043 bottomRightIntersectBf, topRightIntersectBf,
never executed: excluded += (rowBottom - rowTopRight) - intersectPixelFP(x, rowTopRight, rowBottom, bottomRightIntersectBf, topRightIntersectBf, bottomRightSlopeFP, invBottomRightSlopeFP);
0
1044 bottomRightSlopeFP, invBottomRightSlopeFP);
never executed: excluded += (rowBottom - rowTopRight) - intersectPixelFP(x, rowTopRight, rowBottom, bottomRightIntersectBf, topRightIntersectBf, bottomRightSlopeFP, invBottomRightSlopeFP);
0
1045 }
never executed: end of block
0
1046-
1047 Q16Dot16 coverage = rowHeight - excluded;-
1048 buffer.addSpan(x, 1, ((yFP) >> 16),-
1049 ((255 * coverage) >> 16));-
1050 ++x;-
1051 }
never executed: end of block
0
1052 if (x < rightMin
x < rightMinDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
1053 buffer.addSpan(x, rightMin - x, ((yFP) >> 16),-
1054 ((255 * rowHeight) >> 16));-
1055 x = rightMin;-
1056 }
never executed: end of block
0
1057 while (x <= rightMax
x <= rightMaxDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
1058 Q16Dot16 excluded = 0;-
1059 if (yFP <= iRightFP
yFP <= iRightFPDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
1060 excluded += (rowBottomRight - rowTop) - intersectPixelFP(x, rowTop, rowBottomRight,
never executed: excluded += (rowBottomRight - rowTop) - intersectPixelFP(x, rowTop, rowBottomRight, topRightIntersectAf, bottomRightIntersectAf, topRightSlopeFP, invTopRightSlopeFP);
0
1061 topRightIntersectAf, bottomRightIntersectAf,
never executed: excluded += (rowBottomRight - rowTop) - intersectPixelFP(x, rowTop, rowBottomRight, topRightIntersectAf, bottomRightIntersectAf, topRightSlopeFP, invTopRightSlopeFP);
0
1062 topRightSlopeFP, invTopRightSlopeFP);
never executed: excluded += (rowBottomRight - rowTop) - intersectPixelFP(x, rowTop, rowBottomRight, topRightIntersectAf, bottomRightIntersectAf, topRightSlopeFP, invTopRightSlopeFP);
0
1063 if (yFP >= iRightFP
yFP >= iRightFPDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
1064 excluded += (rowBottom - rowTopRight) - intersectPixelFP(x, rowTopRight, rowBottom,
never executed: excluded += (rowBottom - rowTopRight) - intersectPixelFP(x, rowTopRight, rowBottom, bottomRightIntersectBf, topRightIntersectBf, bottomRightSlopeFP, invBottomRightSlopeFP);
0
1065 bottomRightIntersectBf, topRightIntersectBf,
never executed: excluded += (rowBottom - rowTopRight) - intersectPixelFP(x, rowTopRight, rowBottom, bottomRightIntersectBf, topRightIntersectBf, bottomRightSlopeFP, invBottomRightSlopeFP);
0
1066 bottomRightSlopeFP, invBottomRightSlopeFP);
never executed: excluded += (rowBottom - rowTopRight) - intersectPixelFP(x, rowTopRight, rowBottom, bottomRightIntersectBf, topRightIntersectBf, bottomRightSlopeFP, invBottomRightSlopeFP);
0
1067-
1068 Q16Dot16 coverage = rowHeight - excluded;-
1069 buffer.addSpan(x, 1, ((yFP) >> 16),-
1070 ((255 * coverage) >> 16));-
1071 ++x;-
1072 }
never executed: end of block
0
1073-
1074 leftIntersectAf += topLeftSlopeFP;-
1075 leftIntersectBf += bottomLeftSlopeFP;-
1076 rightIntersectAf += topRightSlopeFP;-
1077 rightIntersectBf += bottomRightSlopeFP;-
1078 topLeftIntersectAf = leftIntersectAf;-
1079 topRightIntersectAf = rightIntersectAf;-
1080-
1081 yFP += 65536;-
1082 rowTop = yFP;-
1083 }
never executed: end of block
0
1084 }
never executed: end of block
 else {		0
1085 int iTop = int(top.y() + 0.5f);-
1086 int iLeft = left.y() < 0.5f
left.y() < 0.5fDescription
TRUEnever evaluated
FALSEnever evaluated
 ? -1 : int(left.y() - 0.5f);		0
1087 int iRight = right.y() < 0.5f
right.y() < 0.5fDescription
TRUEnever evaluated
FALSEnever evaluated
 ? -1 : int(right.y() - 0.5f);		0
1088 int iBottom = bottom.y() < 0.5f
bottom.y() < 0.5fDescription
TRUEnever evaluated
FALSEnever evaluated
? -1 : int(bottom.y() - 0.5f);		0
1089 int iMiddle = qMin(iLeft, iRight);-
1090-
1091 Q16Dot16 leftIntersectAf = qSafeFloatToQ16Dot16(top.x() + 0.5f + (iTop + 0.5f - top.y()) * topLeftSlope);-
1092 Q16Dot16 leftIntersectBf = qSafeFloatToQ16Dot16(left.x() + 0.5f + (iLeft + 1.5f - left.y()) * bottomLeftSlope);-
1093 Q16Dot16 rightIntersectAf = qSafeFloatToQ16Dot16(top.x() - 0.5f + (iTop + 0.5f - top.y()) * topRightSlope);-
1094 Q16Dot16 rightIntersectBf = qSafeFloatToQ16Dot16(right.x() - 0.5f + (iRight + 1.5f - right.y()) * bottomRightSlope);-
1095-
1096 int ny;-
1097 int y = iTop;-
1098 ny = qMin(iMiddle + 1, d->clipRect.top()); if (y < ny
y < nyDescription
TRUEnever evaluated
FALSEnever evaluated
) { leftIntersectAf += topLeftSlopeFP * (ny - y); rightIntersectAf += topRightSlopeFP * (ny - y); y = ny; }
never executed: end of block
 if (iMiddle > d->clipRect.bottom()
iMiddle > d->clipRect.bottom()Description
TRUEnever evaluated
FALSEnever evaluated
) iMiddle = d->clipRect.bottom();
never executed: iMiddle = d->clipRect.bottom();
 for (; y <= iMiddle
y <= iMiddleDescription
TRUEnever evaluated
FALSEnever evaluated
; ++y) { const int x1 = qMax(((leftIntersectAf) >> 16), d->clipRect.left()); const int x2 = qMin(((rightIntersectAf) >> 16), d->clipRect.right()); if (x2 >= x1
x2 >= x1Description
TRUEnever evaluated
FALSEnever evaluated
) buffer.addSpan(x1, x2 - x1 + 1, y, 255);
never executed: buffer.addSpan(x1, x2 - x1 + 1, y, 255);
 leftIntersectAf += topLeftSlopeFP; rightIntersectAf += topRightSlopeFP; }
never executed: end of block
0
1099 ny = qMin(iRight + 1, d->clipRect.top()); if (y < ny
y < nyDescription
TRUEnever evaluated
FALSEnever evaluated
) { leftIntersectBf += bottomLeftSlopeFP * (ny - y); rightIntersectAf += topRightSlopeFP * (ny - y); y = ny; }
never executed: end of block
 if (iRight > d->clipRect.bottom()
iRight > d->clipRect.bottom()Description
TRUEnever evaluated
FALSEnever evaluated
) iRight = d->clipRect.bottom();
never executed: iRight = d->clipRect.bottom();
 for (; y <= iRight
y <= iRightDescription
TRUEnever evaluated
FALSEnever evaluated
; ++y) { const int x1 = qMax(((leftIntersectBf) >> 16), d->clipRect.left()); const int x2 = qMin(((rightIntersectAf) >> 16), d->clipRect.right()); if (x2 >= x1
x2 >= x1Description
TRUEnever evaluated
FALSEnever evaluated
) buffer.addSpan(x1, x2 - x1 + 1, y, 255);
never executed: buffer.addSpan(x1, x2 - x1 + 1, y, 255);
 leftIntersectBf += bottomLeftSlopeFP; rightIntersectAf += topRightSlopeFP; }
never executed: end of block
0
1100 ny = qMin(iLeft + 1, d->clipRect.top()); if (y < ny
y < nyDescription
TRUEnever evaluated
FALSEnever evaluated
) { leftIntersectAf += topLeftSlopeFP * (ny - y); rightIntersectBf += bottomRightSlopeFP * (ny - y); y = ny; }
never executed: end of block
 if (iLeft > d->clipRect.bottom()
iLeft > d->clipRect.bottom()Description
TRUEnever evaluated
FALSEnever evaluated
) iLeft = d->clipRect.bottom();
never executed: iLeft = d->clipRect.bottom();
 for (; y <= iLeft
y <= iLeftDescription
TRUEnever evaluated
FALSEnever evaluated
; ++y) { const int x1 = qMax(((leftIntersectAf) >> 16), d->clipRect.left()); const int x2 = qMin(((rightIntersectBf) >> 16), d->clipRect.right()); if (x2 >= x1
x2 >= x1Description
TRUEnever evaluated
FALSEnever evaluated
) buffer.addSpan(x1, x2 - x1 + 1, y, 255);
never executed: buffer.addSpan(x1, x2 - x1 + 1, y, 255);
 leftIntersectAf += topLeftSlopeFP; rightIntersectBf += bottomRightSlopeFP; }
never executed: end of block
;		0
1101 ny = qMin(iBottom + 1, d->clipRect.top()); if (y < ny
y < nyDescription
TRUEnever evaluated
FALSEnever evaluated
) { leftIntersectBf += bottomLeftSlopeFP * (ny - y); rightIntersectBf += bottomRightSlopeFP * (ny - y); y = ny; }
never executed: end of block
 if (iBottom > d->clipRect.bottom()
iBottom > d->clipRect.bottom()Description
TRUEnever evaluated
FALSEnever evaluated
) iBottom = d->clipRect.bottom();
never executed: iBottom = d->clipRect.bottom();
 for (; y <= iBottom
y <= iBottomDescription
TRUEnever evaluated
FALSEnever evaluated
; ++y) { const int x1 = qMax(((leftIntersectBf) >> 16), d->clipRect.left()); const int x2 = qMin(((rightIntersectBf) >> 16), d->clipRect.right()); if (x2 >= x1
x2 >= x1Description
TRUEnever evaluated
FALSEnever evaluated
) buffer.addSpan(x1, x2 - x1 + 1, y, 255);
never executed: buffer.addSpan(x1, x2 - x1 + 1, y, 255);
 leftIntersectBf += bottomLeftSlopeFP; rightIntersectBf += bottomRightSlopeFP; }
never executed: end of block
;		0
1102-
1103 }
never executed: end of block
0
1104 }-
1105}-
1106-
1107void QRasterizer::rasterize(const QT_FT_Outline *outline, Qt::FillRule fillRule)-
1108{-
1109 if (outline->n_points < 3
outline->n_points < 3Description
TRUEnever evaluated
FALSEnever evaluated
 || outline->n_contours == 0
outline->n_contours == 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
1110 return;
never executed: return;
0
1111-
1112 const QT_FT_Vector *points = outline->points;-
1113-
1114 QSpanBuffer buffer(d->blend, d->data, d->clipRect);-
1115-
1116-
1117-
1118-
1119 QT_FT_Pos min_y = points[0].y, max_y = points[0].y;-
1120 for (int i = 1; i < outline->n_points
i < outline->n_pointsDescription
TRUEnever evaluated
FALSEnever evaluated
; ++i) {		0
1121 const QT_FT_Vector &p = points[i];-
1122 min_y = qMin(p.y, min_y);-
1123 max_y = qMax(p.y, max_y);-
1124 }
never executed: end of block
0
1125-
1126 int rounding = d->legacyRounding
d->legacyRoundingDescription
TRUEnever evaluated
FALSEnever evaluated
 ? 32 - 1 : 0;		0
1127-
1128 int iTopBound = qMax(d->clipRect.top(), int((min_y + 32 + rounding) >> 6));-
1129 int iBottomBound = qMin(d->clipRect.bottom(), int((max_y - 32 + rounding) >> 6));-
1130-
1131 if (iTopBound > iBottomBound
iTopBound > iBottomBoundDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
1132 return;
never executed: return;
0
1133-
1134 d->scanConverter.begin(iTopBound, iBottomBound, d->clipRect.left(), d->clipRect.right(), fillRule, d->legacyRounding, &buffer);-
1135-
1136 int first = 0;-
1137 for (int i = 0; i < outline->n_contours
i < outline->n_contoursDescription
TRUEnever evaluated
FALSEnever evaluated
; ++i) {		0
1138 const int last = outline->contours[i];-
1139 for (int j = first; j < last
j < lastDescription
TRUEnever evaluated
FALSEnever evaluated
; ++j) {		0
1140 if (outline->tags[j+1] == 2
outline->tags[j+1] == 2Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
1141 ((!(outline->tags[j+2] == 2)) ? qt_assert("outline->tags[j+2] == QT_FT_CURVE_TAG_CUBIC",__FILE__,1227) : qt_noop());-
1142 d->scanConverter.mergeCurve(points[j], points[j+1], points[j+2], points[j+3]);-
1143 j += 2;-
1144 }
never executed: end of block
 else {		0
1145 d->scanConverter.mergeLine(points[j], points[j+1]);-
1146 }
never executed: end of block
0
1147 }-
1148-
1149 first = last + 1;-
1150 }
never executed: end of block
0
1151-
1152 d->scanConverter.end();-
1153}
never executed: end of block
0
1154-
1155void QRasterizer::rasterize(const QPainterPath &path, Qt::FillRule fillRule)-
1156{-
1157 if (path.isEmpty()
path.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
1158 return;
never executed: return;
0
1159-
1160 QSpanBuffer buffer(d->blend, d->data, d->clipRect);-
1161-
1162 QRectF bounds = path.controlPointRect();-
1163-
1164 double rounding = d->legacyRounding
d->legacyRoundingDescription
TRUEnever evaluated
FALSEnever evaluated
 ? (32 - 1) / 64. : 0.0;		0
1165-
1166 int iTopBound = qMax(d->clipRect.top(), int(bounds.top() + 0.5 + rounding));-
1167 int iBottomBound = qMin(d->clipRect.bottom(), int(bounds.bottom() - 0.5 + rounding));-
1168-
1169 if (iTopBound > iBottomBound
iTopBound > iBottomBoundDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
1170 return;
never executed: return;
0
1171-
1172 d->scanConverter.begin(iTopBound, iBottomBound, d->clipRect.left(), d->clipRect.right(), fillRule, d->legacyRounding, &buffer);-
1173-
1174 int subpathStart = 0;-
1175 QT_FT_Vector last = { 0, 0 };-
1176 for (int i = 0; i < path.elementCount()
i < path.elementCount()Description
TRUEnever evaluated
FALSEnever evaluated
; ++i) {		0
1177 switch (path.elementAt(i).type) {-
1178 case
never executed: case QPainterPath::LineToElement:
 QPainterPath::LineToElement:
never executed: case QPainterPath::LineToElement:
0
1179 {-
1180 QT_FT_Vector p1 = last;-
1181 QT_FT_Vector p2 = PointToVector(path.elementAt(i));-
1182 d->scanConverter.mergeLine(p1, p2);-
1183 last = p2;-
1184 break;
never executed: break;
0
1185 }-
1186 case
never executed: case QPainterPath::MoveToElement:
 QPainterPath::MoveToElement:
never executed: case QPainterPath::MoveToElement:
0
1187 {-
1188 if (i != 0
i != 0Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
1189 QT_FT_Vector first = PointToVector(path.elementAt(subpathStart));-
1190-
1191 if (first.x != last.x
first.x != last.xDescription
TRUEnever evaluated
FALSEnever evaluated
 || first.y != last.y
first.y != last.yDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
1192 d->scanConverter.mergeLine(last, first);
never executed: d->scanConverter.mergeLine(last, first);
0
1193 }
never executed: end of block
0
1194 subpathStart = i;-
1195 last = PointToVector(path.elementAt(i));-
1196 break;
never executed: break;
0
1197 }-
1198 case
never executed: case QPainterPath::CurveToElement:
 QPainterPath::CurveToElement:
never executed: case QPainterPath::CurveToElement:
0
1199 {-
1200 QT_FT_Vector p1 = last;-
1201 QT_FT_Vector p2 = PointToVector(path.elementAt(i));-
1202 QT_FT_Vector p3 = PointToVector(path.elementAt(++i));-
1203 QT_FT_Vector p4 = PointToVector(path.elementAt(++i));-
1204 d->scanConverter.mergeCurve(p1, p2, p3, p4);-
1205 last = p4;-
1206 break;
never executed: break;
0
1207 }-
1208 default
never executed: default:
:
never executed: default:
0
1209 ((!(false)) ? qt_assert("false",__FILE__,1295) : qt_noop());-
1210 break;
never executed: break;
0
1211 }-
1212 }-
1213-
1214 QT_FT_Vector first = PointToVector(path.elementAt(subpathStart));-
1215-
1216-
1217 if (first.x != last.x
first.x != last.xDescription
TRUEnever evaluated
FALSEnever evaluated
 || first.y != last.y
first.y != last.yDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
1218 d->scanConverter.mergeLine(last, first);
never executed: d->scanConverter.mergeLine(last, first);
0
1219-
1220 d->scanConverter.end();-
1221}
never executed: end of block
0
1222-
1223-
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