qoutlinemapper.cpp

Absolute File Name:/home/qt/qt5_coco/qt5/qtbase/src/gui/painting/qoutlinemapper.cpp
Switch to Source codePreprocessed file
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10-
11static const QRectF boundingRect(const QPointF *points, int pointCount)-
12{-
13 const QPointF *e = points;-
14 const QPointF *last = points + pointCount;-
15 qreal minx, maxx, miny, maxy;-
16 minx = maxx = e->x();-
17 miny = maxy = e->y();-
18 while (++
++e < lastDescription
TRUEnever evaluated
FALSEnever evaluated
e < last
++e < lastDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
19 if (e->x() < minx
e->x() < minxDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
20 minx = e->x();
never executed: minx = e->x();
0
21 else if (e->x() > maxx
e->x() > maxxDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
22 maxx = e->x();
never executed: maxx = e->x();
0
23 if (e->y() < miny
e->y() < minyDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
24 miny = e->y();
never executed: miny = e->y();
0
25 else if (e->y() > maxy
e->y() > maxyDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
26 maxy = e->y();
never executed: maxy = e->y();
0
27 }
never executed: end of block
0
28 return
never executed: return QRectF(QPointF(minx, miny), QPointF(maxx, maxy));
 QRectF(QPointF(minx, miny), QPointF(maxx, maxy));
never executed: return QRectF(QPointF(minx, miny), QPointF(maxx, maxy));
0
29}-
30-
31void QOutlineMapper::curveTo(const QPointF &cp1, const QPointF &cp2, const QPointF &ep) {-
32-
33-
34-
35-
36 QBezier bezier = QBezier::fromPoints(m_elements.last(), cp1, cp2, ep);-
37 bezier.addToPolygon(m_elements, m_curve_threshold);-
38 m_element_types.reserve(m_elements.size());-
39 for (int i = m_elements.size() - m_element_types.size(); i
iDescription
TRUEnever evaluated
FALSEnever evaluated
; --i)		0
40 m_element_types << QPainterPath::LineToElement;
never executed: m_element_types << QPainterPath::LineToElement;
0
41 ((!(m_elements.size() == m_element_types.size())) ? qt_assert("m_elements.size() == m_element_types.size()",__FILE__,78) : qt_noop());-
42}
never executed: end of block
0
43-
44-
45QT_FT_Outline *QOutlineMapper::convertPath(const QPainterPath &path)-
46{-
47 ((!(!path.isEmpty())) ? qt_assert("!path.isEmpty()",__FILE__,84) : qt_noop());-
48 int elmCount = path.elementCount();-
49-
50-
51-
52 beginOutline(path.fillRule());-
53-
54 for (int index=0; index<elmCount
index<elmCountDescription
TRUEnever evaluated
FALSEnever evaluated
; ++index) {		0
55 const QPainterPath::Element &elm = path.elementAt(index);-
56-
57 switch (elm.type) {-
58-
59 case
never executed: case QPainterPath::MoveToElement:
 QPainterPath::MoveToElement:
never executed: case QPainterPath::MoveToElement:
0
60 if (index == elmCount - 1
index == elmCount - 1Description
TRUEnever evaluated
FALSEnever evaluated
)		0
61 continue;
never executed: continue;
0
62 moveTo(elm);-
63 break;
never executed: break;
0
64-
65 case
never executed: case QPainterPath::LineToElement:
 QPainterPath::LineToElement:
never executed: case QPainterPath::LineToElement:
0
66 lineTo(elm);-
67 break;
never executed: break;
0
68-
69 case
never executed: case QPainterPath::CurveToElement:
 QPainterPath::CurveToElement:
never executed: case QPainterPath::CurveToElement:
0
70 curveTo(elm, path.elementAt(index + 1), path.elementAt(index + 2));-
71 index += 2;-
72 break;
never executed: break;
0
73-
74 default
never executed: default:
:
never executed: default:
0
75 break;
never executed: break;
0
76 }-
77 }-
78-
79 endOutline();-
80 return
never executed: return outline();
 outline();
never executed: return outline();
0
81}-
82-
83QT_FT_Outline *QOutlineMapper::convertPath(const QVectorPath &path)-
84{-
85 int count = path.elementCount();-
86-
87-
88-
89-
90 beginOutline(path.hasWindingFill() ? Qt::WindingFill : Qt::OddEvenFill);-
91-
92 if (path.elements()
path.elements()Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
93-
94-
95 const QPainterPath::ElementType *elements = path.elements();-
96 const QPointF *points = reinterpret_cast<const QPointF *>(path.points());-
97-
98 for (int index = 0; index < count
index < countDescription
TRUEnever evaluated
FALSEnever evaluated
; ++index) {		0
99 switch (elements[index]) {-
100 case
never executed: case QPainterPath::MoveToElement:
 QPainterPath::MoveToElement:
never executed: case QPainterPath::MoveToElement:
0
101 if (index == count - 1
index == count - 1Description
TRUEnever evaluated
FALSEnever evaluated
)		0
102 continue;
never executed: continue;
0
103 moveTo(points[index]);-
104 break;
never executed: break;
0
105-
106 case
never executed: case QPainterPath::LineToElement:
 QPainterPath::LineToElement:
never executed: case QPainterPath::LineToElement:
0
107 lineTo(points[index]);-
108 break;
never executed: break;
0
109-
110 case
never executed: case QPainterPath::CurveToElement:
 QPainterPath::CurveToElement:
never executed: case QPainterPath::CurveToElement:
0
111 curveTo(points[index], points[index+1], points[index+2]);-
112 index += 2;-
113 break;
never executed: break;
0
114-
115 default
never executed: default:
:
never executed: default:
0
116 break;
never executed: break;
0
117 }-
118 }-
119-
120 }
never executed: end of block
 else {		0
121-
122-
123 m_elements.resize(count);-
124 if (count
countDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
125 memcpy(m_elements.data(), path.points(), count* sizeof(QPointF));
never executed: memcpy(m_elements.data(), path.points(), count* sizeof(QPointF));
0
126-
127 m_element_types.resize(0);-
128 }
never executed: end of block
0
129-
130 endOutline();-
131 return
never executed: return outline();
 outline();
never executed: return outline();
0
132}-
133-
134-
135void QOutlineMapper::endOutline()-
136{-
137 closeSubpath();-
138-
139 if (m_elements.isEmpty()
m_elements.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
) {		0
140 memset(&m_outline, 0, sizeof(m_outline));-
141 return;
never executed: return;
0
142 }-
143-
144 QPointF *elements = m_elements.data();-
145-
146-
147 if (m_txop == QTransform::TxNone
m_txop == QTransform::TxNoneDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
148-
149 }
never executed: end of block
 else if (m_txop == QTransform::TxTranslate
m_txop == QTra...m::TxTranslateDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
150 for (int i = 0; i < m_elements.size()
i < m_elements.size()Description
TRUEnever evaluated
FALSEnever evaluated
; ++i) {		0
151 QPointF &e = elements[i];-
152 e = QPointF(e.x() + m_dx, e.y() + m_dy);-
153 }
never executed: end of block
0
154 }
never executed: end of block
 else if (m_txop == QTransform::TxScale
m_txop == QTransform::TxScaleDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
155 for (int i = 0; i < m_elements.size()
i < m_elements.size()Description
TRUEnever evaluated
FALSEnever evaluated
; ++i) {		0
156 QPointF &e = elements[i];-
157 e = QPointF(m_m11 * e.x() + m_dx, m_m22 * e.y() + m_dy);-
158 }
never executed: end of block
0
159 }
never executed: end of block
 else if (m_txop < QTransform::TxProject
m_txop < QTransform::TxProjectDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
160 for (int i = 0; i < m_elements.size()
i < m_elements.size()Description
TRUEnever evaluated
FALSEnever evaluated
; ++i) {		0
161 QPointF &e = elements[i];-
162 e = QPointF(m_m11 * e.x() + m_m21 * e.y() + m_dx,-
163 m_m22 * e.y() + m_m12 * e.x() + m_dy);-
164 }
never executed: end of block
0
165 }
never executed: end of block
 else {		0
166 const QVectorPath vp((qreal *)elements, m_elements.size(),-
167 m_element_types.size() ? m_element_types.data() : 0);-
168 QPainterPath path = vp.convertToPainterPath();-
169 path = QTransform(m_m11, m_m12, m_m13, m_m21, m_m22, m_m23, m_dx, m_dy, m_m33).map(path);-
170 if (!(m_outline.flags & 0x2)
!(m_outline.flags & 0x2)Description
TRUEnever evaluated
FALSEnever evaluated
)		0
171 path.setFillRule(Qt::WindingFill);
never executed: path.setFillRule(Qt::WindingFill);
0
172 uint old_txop = m_txop;-
173 m_txop = QTransform::TxNone;-
174 if (path.isEmpty()
path.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
175 m_valid = false;
never executed: m_valid = false;
0
176 else-
177 convertPath(path);
never executed: convertPath(path);
0
178 m_txop = old_txop;-
179 return;
never executed: return;
0
180 }-
181-
182 controlPointRect = boundingRect(elements, m_elements.size());-
183 const bool do_clip = !m_in_clip_elements
!m_in_clip_elementsDescription
TRUEnever evaluated
FALSEnever evaluated
 && ((controlPointRect.left() < -QT_RASTER_COORD_LIMIT
controlPointRe...ER_COORD_LIMITDescription
TRUEnever evaluated
FALSEnever evaluated
0
184 || controlPointRect.right() > QT_RASTER_COORD_LIMIT
controlPointRe...ER_COORD_LIMITDescription
TRUEnever evaluated
FALSEnever evaluated
0
185 || controlPointRect.top() < -QT_RASTER_COORD_LIMIT
controlPointRe...ER_COORD_LIMITDescription
TRUEnever evaluated
FALSEnever evaluated
0
186 || controlPointRect.bottom() > QT_RASTER_COORD_LIMIT
controlPointRe...ER_COORD_LIMITDescription
TRUEnever evaluated
FALSEnever evaluated
0
187 || controlPointRect.width() > QT_RASTER_COORD_LIMIT
controlPointRe...ER_COORD_LIMITDescription
TRUEnever evaluated
FALSEnever evaluated
0
188 || controlPointRect.height() > QT_RASTER_COORD_LIMIT
controlPointRe...ER_COORD_LIMITDescription
TRUEnever evaluated
FALSEnever evaluated
));		0
189-
190 if (do_clip
do_clipDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
191 clipElements(elements, elementTypes(), m_elements.size());-
192 }
never executed: end of block
 else {		0
193 convertElements(elements, elementTypes(), m_elements.size());-
194 }
never executed: end of block
0
195}-
196-
197void QOutlineMapper::convertElements(const QPointF *elements,-
198 const QPainterPath::ElementType *types,-
199 int element_count)-
200{-
201-
202 if (types
typesDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
203-
204 const QPointF *e = elements;-
205 for (int i=0; i<element_count
i<element_countDescription
TRUEnever evaluated
FALSEnever evaluated
; ++i) {		0
206 switch (*types) {-
207 case
never executed: case QPainterPath::MoveToElement:
 QPainterPath::MoveToElement:
never executed: case QPainterPath::MoveToElement:
0
208 {-
209 QT_FT_Vector pt_fixed = { (qRound(e->x() * 64)),-
210 (qRound(e->y() * 64)) };-
211 if (i != 0
i != 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
212 m_contours << m_points.size() - 1;
never executed: m_contours << m_points.size() - 1;
0
213 m_points << pt_fixed;-
214 m_tags << 1;-
215 }-
216 break;
never executed: break;
0
217-
218 case
never executed: case QPainterPath::LineToElement:
 QPainterPath::LineToElement:
never executed: case QPainterPath::LineToElement:
0
219 {-
220 QT_FT_Vector pt_fixed = { (qRound(e->x() * 64)),-
221 (qRound(e->y() * 64)) };-
222 m_points << pt_fixed;-
223 m_tags << 1;-
224 }-
225 break;
never executed: break;
0
226-
227 case
never executed: case QPainterPath::CurveToElement:
 QPainterPath::CurveToElement:
never executed: case QPainterPath::CurveToElement:
0
228 {-
229 QT_FT_Vector cp1_fixed = { (qRound(e->x() * 64)),-
230 (qRound(e->y() * 64)) };-
231 ++e;-
232 QT_FT_Vector cp2_fixed = { (qRound((e)->x() * 64)),-
233 (qRound((e)->y() * 64)) };-
234 ++e;-
235 QT_FT_Vector ep_fixed = { (qRound((e)->x() * 64)),-
236 (qRound((e)->y() * 64)) };-
237-
238 m_points << cp1_fixed << cp2_fixed << ep_fixed;-
239 m_tags << 2-
240 << 2-
241 << 1;-
242-
243 types += 2;-
244 i += 2;-
245 }-
246 break;
never executed: break;
0
247 default
never executed: default:
:
never executed: default:
0
248 break;
never executed: break;
0
249 }-
250 ++types;-
251 ++e;-
252 }
never executed: end of block
0
253 }
never executed: end of block
 else {		0
254-
255 const QPointF *last = elements + element_count;-
256 const QPointF *e = elements;-
257 while (e < last
e < lastDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
258 QT_FT_Vector pt_fixed = { (qRound(e->x() * 64)),-
259 (qRound(e->y() * 64)) };-
260 m_points << pt_fixed;-
261 m_tags << 1;-
262 ++e;-
263 }
never executed: end of block
0
264 }
never executed: end of block
0
265-
266-
267 m_contours << m_points.size() - 1;-
268-
269 m_outline.n_contours = m_contours.size();-
270 m_outline.n_points = m_points.size();-
271-
272 m_outline.points = m_points.data();-
273 m_outline.tags = m_tags.data();-
274 m_outline.contours = m_contours.data();-
275}
never executed: end of block
0
276-
277void QOutlineMapper::clipElements(const QPointF *elements,-
278 const QPainterPath::ElementType *types,-
279 int element_count)-
280{-
281-
282-
283-
284-
285 m_in_clip_elements = true;-
286-
287 QPainterPath path;-
288-
289 if (!(m_outline.flags & 0x2)
!(m_outline.flags & 0x2)Description
TRUEnever evaluated
FALSEnever evaluated
)		0
290 path.setFillRule(Qt::WindingFill);
never executed: path.setFillRule(Qt::WindingFill);
0
291-
292 if (types
typesDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
293 for (int i=0; i<element_count
i<element_countDescription
TRUEnever evaluated
FALSEnever evaluated
; ++i) {		0
294 switch (types[i]) {-
295 case
never executed: case QPainterPath::MoveToElement:
 QPainterPath::MoveToElement:
never executed: case QPainterPath::MoveToElement:
0
296 path.moveTo(elements[i]);-
297 break;
never executed: break;
0
298-
299 case
never executed: case QPainterPath::LineToElement:
 QPainterPath::LineToElement:
never executed: case QPainterPath::LineToElement:
0
300 path.lineTo(elements[i]);-
301 break;
never executed: break;
0
302-
303 case
never executed: case QPainterPath::CurveToElement:
 QPainterPath::CurveToElement:
never executed: case QPainterPath::CurveToElement:
0
304 path.cubicTo(elements[i], elements[i+1], elements[i+2]);-
305 i += 2;-
306 break;
never executed: break;
0
307 default
never executed: default:
:
never executed: default:
0
308 break;
never executed: break;
0
309 }-
310 }-
311 }
never executed: end of block
 else {		0
312 path.moveTo(elements[0]);-
313 for (int i=1; i<element_count
i<element_countDescription
TRUEnever evaluated
FALSEnever evaluated
; ++i)		0
314 path.lineTo(elements[i]);
never executed: path.lineTo(elements[i]);
0
315 }
never executed: end of block
0
316-
317 QPainterPath clipPath;-
318 clipPath.addRect(m_clip_rect);-
319 QPainterPath clippedPath = path.intersected(clipPath);-
320 uint old_txop = m_txop;-
321 m_txop = QTransform::TxNone;-
322 if (clippedPath.isEmpty()
clippedPath.isEmpty()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
323 m_valid = false;
never executed: m_valid = false;
0
324 else-
325 convertPath(clippedPath);
never executed: convertPath(clippedPath);
0
326 m_txop = old_txop;-
327-
328 m_in_clip_elements = false;-
329}
never executed: end of block
0
330-
331-
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