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-rw-r--r--src/quick/util/qdeclarativesvgparser.cpp614
1 files changed, 0 insertions, 614 deletions
diff --git a/src/quick/util/qdeclarativesvgparser.cpp b/src/quick/util/qdeclarativesvgparser.cpp
deleted file mode 100644
index 41f12150d6..0000000000
--- a/src/quick/util/qdeclarativesvgparser.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/
-**
-** This file is part of the QtDeclaractive module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** GNU Lesser General Public License Usage
-** This file may be used under the terms of the GNU Lesser General Public
-** License version 2.1 as published by the Free Software Foundation and
-** appearing in the file LICENSE.LGPL included in the packaging of this
-** file. Please review the following information to ensure the GNU Lesser
-** General Public License version 2.1 requirements will be met:
-** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights. These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU General
-** Public License version 3.0 as published by the Free Software Foundation
-** and appearing in the file LICENSE.GPL included in the packaging of this
-** file. Please review the following information to ensure the GNU General
-** Public License version 3.0 requirements will be met:
-** http://www.gnu.org/copyleft/gpl.html.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "qdeclarativesvgparser_p.h"
-
-#include <QtCore/qmath.h>
-#include <QtCore/qvarlengtharray.h>
-#include <QtCore/qstring.h>
-
-QT_BEGIN_NAMESPACE
-
-static const double Q_PI = 3.14159265358979323846; // pi
-
-//copied from QtSvg (qsvghandler.cpp).
-Q_CORE_EXPORT double qstrtod(const char *s00, char const **se, bool *ok);
-// '0' is 0x30 and '9' is 0x39
-static inline bool isDigit(ushort ch)
-{
- static quint16 magic = 0x3ff;
- return ((ch >> 4) == 3) && (magic >> (ch & 15));
-}
-
-static qreal toDouble(const QChar *&str)
-{
- const int maxLen = 255;//technically doubles can go til 308+ but whatever
- char temp[maxLen+1];
- int pos = 0;
-
- if (*str == QLatin1Char('-')) {
- temp[pos++] = '-';
- ++str;
- } else if (*str == QLatin1Char('+')) {
- ++str;
- }
- while (isDigit(str->unicode()) && pos < maxLen) {
- temp[pos++] = str->toLatin1();
- ++str;
- }
- if (*str == QLatin1Char('.') && pos < maxLen) {
- temp[pos++] = '.';
- ++str;
- }
- while (isDigit(str->unicode()) && pos < maxLen) {
- temp[pos++] = str->toLatin1();
- ++str;
- }
- bool exponent = false;
- if ((*str == QLatin1Char('e') || *str == QLatin1Char('E')) && pos < maxLen) {
- exponent = true;
- temp[pos++] = 'e';
- ++str;
- if ((*str == QLatin1Char('-') || *str == QLatin1Char('+')) && pos < maxLen) {
- temp[pos++] = str->toLatin1();
- ++str;
- }
- while (isDigit(str->unicode()) && pos < maxLen) {
- temp[pos++] = str->toLatin1();
- ++str;
- }
- }
-
- temp[pos] = '\0';
-
- qreal val;
- if (!exponent && pos < 10) {
- int ival = 0;
- const char *t = temp;
- bool neg = false;
- if(*t == '-') {
- neg = true;
- ++t;
- }
- while(*t && *t != '.') {
- ival *= 10;
- ival += (*t) - '0';
- ++t;
- }
- if(*t == '.') {
- ++t;
- int div = 1;
- while(*t) {
- ival *= 10;
- ival += (*t) - '0';
- div *= 10;
- ++t;
- }
- val = ((qreal)ival)/((qreal)div);
- } else {
- val = ival;
- }
- if (neg)
- val = -val;
- } else {
-#if defined(Q_WS_QWS) && !defined(Q_OS_VXWORKS)
- if(sizeof(qreal) == sizeof(float))
- val = strtof(temp, 0);
- else
-#endif
- {
- bool ok = false;
- val = qstrtod(temp, 0, &ok);
- }
- }
- return val;
-
-}
-static inline void parseNumbersArray(const QChar *&str, QVarLengthArray<qreal, 8> &points)
-{
- while (str->isSpace())
- ++str;
- while (isDigit(str->unicode()) ||
- *str == QLatin1Char('-') || *str == QLatin1Char('+') ||
- *str == QLatin1Char('.')) {
-
- points.append(toDouble(str));
-
- while (str->isSpace())
- ++str;
- if (*str == QLatin1Char(','))
- ++str;
-
- //eat the rest of space
- while (str->isSpace())
- ++str;
- }
-}
-
-static void pathArcSegment(QPainterPath &path,
- qreal xc, qreal yc,
- qreal th0, qreal th1,
- qreal rx, qreal ry, qreal xAxisRotation)
-{
- qreal sinTh, cosTh;
- qreal a00, a01, a10, a11;
- qreal x1, y1, x2, y2, x3, y3;
- qreal t;
- qreal thHalf;
-
- sinTh = qSin(xAxisRotation * (Q_PI / 180.0));
- cosTh = qCos(xAxisRotation * (Q_PI / 180.0));
-
- a00 = cosTh * rx;
- a01 = -sinTh * ry;
- a10 = sinTh * rx;
- a11 = cosTh * ry;
-
- thHalf = 0.5 * (th1 - th0);
- t = (8.0 / 3.0) * qSin(thHalf * 0.5) * qSin(thHalf * 0.5) / qSin(thHalf);
- x1 = xc + qCos(th0) - t * qSin(th0);
- y1 = yc + qSin(th0) + t * qCos(th0);
- x3 = xc + qCos(th1);
- y3 = yc + qSin(th1);
- x2 = x3 + t * qSin(th1);
- y2 = y3 - t * qCos(th1);
-
- path.cubicTo(a00 * x1 + a01 * y1, a10 * x1 + a11 * y1,
- a00 * x2 + a01 * y2, a10 * x2 + a11 * y2,
- a00 * x3 + a01 * y3, a10 * x3 + a11 * y3);
-}
-
-void QDeclarativeSvgParser::pathArc(QPainterPath &path,
- qreal rx,
- qreal ry,
- qreal x_axis_rotation,
- int large_arc_flag,
- int sweep_flag,
- qreal x,
- qreal y,
- qreal curx, qreal cury)
-{
- qreal sin_th, cos_th;
- qreal a00, a01, a10, a11;
- qreal x0, y0, x1, y1, xc, yc;
- qreal d, sfactor, sfactor_sq;
- qreal th0, th1, th_arc;
- int i, n_segs;
- qreal dx, dy, dx1, dy1, Pr1, Pr2, Px, Py, check;
-
- rx = qAbs(rx);
- ry = qAbs(ry);
-
- sin_th = qSin(x_axis_rotation * (Q_PI / 180.0));
- cos_th = qCos(x_axis_rotation * (Q_PI / 180.0));
-
- dx = (curx - x) / 2.0;
- dy = (cury - y) / 2.0;
- dx1 = cos_th * dx + sin_th * dy;
- dy1 = -sin_th * dx + cos_th * dy;
- Pr1 = rx * rx;
- Pr2 = ry * ry;
- Px = dx1 * dx1;
- Py = dy1 * dy1;
- /* Spec : check if radii are large enough */
- check = Px / Pr1 + Py / Pr2;
- if (check > 1) {
- rx = rx * qSqrt(check);
- ry = ry * qSqrt(check);
- }
-
- a00 = cos_th / rx;
- a01 = sin_th / rx;
- a10 = -sin_th / ry;
- a11 = cos_th / ry;
- x0 = a00 * curx + a01 * cury;
- y0 = a10 * curx + a11 * cury;
- x1 = a00 * x + a01 * y;
- y1 = a10 * x + a11 * y;
- /* (x0, y0) is current point in transformed coordinate space.
- (x1, y1) is new point in transformed coordinate space.
-
- The arc fits a unit-radius circle in this space.
- */
- d = (x1 - x0) * (x1 - x0) + (y1 - y0) * (y1 - y0);
- sfactor_sq = 1.0 / d - 0.25;
- if (sfactor_sq < 0) sfactor_sq = 0;
- sfactor = qSqrt(sfactor_sq);
- if (sweep_flag == large_arc_flag) sfactor = -sfactor;
- xc = 0.5 * (x0 + x1) - sfactor * (y1 - y0);
- yc = 0.5 * (y0 + y1) + sfactor * (x1 - x0);
- /* (xc, yc) is center of the circle. */
-
- th0 = qAtan2(y0 - yc, x0 - xc);
- th1 = qAtan2(y1 - yc, x1 - xc);
-
- th_arc = th1 - th0;
- if (th_arc < 0 && sweep_flag)
- th_arc += 2 * Q_PI;
- else if (th_arc > 0 && !sweep_flag)
- th_arc -= 2 * Q_PI;
-
- n_segs = qCeil(qAbs(th_arc / (Q_PI * 0.5 + 0.001)));
-
- for (i = 0; i < n_segs; i++) {
- pathArcSegment(path, xc, yc,
- th0 + i * th_arc / n_segs,
- th0 + (i + 1) * th_arc / n_segs,
- rx, ry, x_axis_rotation);
- }
-}
-
-
-bool QDeclarativeSvgParser::parsePathDataFast(const QString &dataStr, QPainterPath &path)
-{
- qreal x0 = 0, y0 = 0; // starting point
- qreal x = 0, y = 0; // current point
- char lastMode = 0;
- QPointF ctrlPt;
- const QChar *str = dataStr.constData();
- const QChar *end = str + dataStr.size();
-
- while (str != end) {
- while (str->isSpace())
- ++str;
- QChar pathElem = *str;
- ++str;
- QChar endc = *end;
- *const_cast<QChar *>(end) = 0; // parseNumbersArray requires 0-termination that QStringRef cannot guarantee
- QVarLengthArray<qreal, 8> arg;
- parseNumbersArray(str, arg);
- *const_cast<QChar *>(end) = endc;
- if (pathElem == QLatin1Char('z') || pathElem == QLatin1Char('Z'))
- arg.append(0);//dummy
- const qreal *num = arg.constData();
- int count = arg.count();
- while (count > 0) {
- qreal offsetX = x; // correction offsets
- qreal offsetY = y; // for relative commands
- switch (pathElem.unicode()) {
- case 'm': {
- if (count < 2) {
- num++;
- count--;
- break;
- }
- x = x0 = num[0] + offsetX;
- y = y0 = num[1] + offsetY;
- num += 2;
- count -= 2;
- path.moveTo(x0, y0);
-
- // As per 1.2 spec 8.3.2 The "moveto" commands
- // If a 'moveto' is followed by multiple pairs of coordinates without explicit commands,
- // the subsequent pairs shall be treated as implicit 'lineto' commands.
- pathElem = QLatin1Char('l');
- }
- break;
- case 'M': {
- if (count < 2) {
- num++;
- count--;
- break;
- }
- x = x0 = num[0];
- y = y0 = num[1];
- num += 2;
- count -= 2;
- path.moveTo(x0, y0);
-
- // As per 1.2 spec 8.3.2 The "moveto" commands
- // If a 'moveto' is followed by multiple pairs of coordinates without explicit commands,
- // the subsequent pairs shall be treated as implicit 'lineto' commands.
- pathElem = QLatin1Char('L');
- }
- break;
- case 'z':
- case 'Z': {
- x = x0;
- y = y0;
- count--; // skip dummy
- num++;
- path.closeSubpath();
- }
- break;
- case 'l': {
- if (count < 2) {
- num++;
- count--;
- break;
- }
- x = num[0] + offsetX;
- y = num[1] + offsetY;
- num += 2;
- count -= 2;
- path.lineTo(x, y);
-
- }
- break;
- case 'L': {
- if (count < 2) {
- num++;
- count--;
- break;
- }
- x = num[0];
- y = num[1];
- num += 2;
- count -= 2;
- path.lineTo(x, y);
- }
- break;
- case 'h': {
- x = num[0] + offsetX;
- num++;
- count--;
- path.lineTo(x, y);
- }
- break;
- case 'H': {
- x = num[0];
- num++;
- count--;
- path.lineTo(x, y);
- }
- break;
- case 'v': {
- y = num[0] + offsetY;
- num++;
- count--;
- path.lineTo(x, y);
- }
- break;
- case 'V': {
- y = num[0];
- num++;
- count--;
- path.lineTo(x, y);
- }
- break;
- case 'c': {
- if (count < 6) {
- num += count;
- count = 0;
- break;
- }
- QPointF c1(num[0] + offsetX, num[1] + offsetY);
- QPointF c2(num[2] + offsetX, num[3] + offsetY);
- QPointF e(num[4] + offsetX, num[5] + offsetY);
- num += 6;
- count -= 6;
- path.cubicTo(c1, c2, e);
- ctrlPt = c2;
- x = e.x();
- y = e.y();
- break;
- }
- case 'C': {
- if (count < 6) {
- num += count;
- count = 0;
- break;
- }
- QPointF c1(num[0], num[1]);
- QPointF c2(num[2], num[3]);
- QPointF e(num[4], num[5]);
- num += 6;
- count -= 6;
- path.cubicTo(c1, c2, e);
- ctrlPt = c2;
- x = e.x();
- y = e.y();
- break;
- }
- case 's': {
- if (count < 4) {
- num += count;
- count = 0;
- break;
- }
- QPointF c1;
- if (lastMode == 'c' || lastMode == 'C' ||
- lastMode == 's' || lastMode == 'S')
- c1 = QPointF(2*x-ctrlPt.x(), 2*y-ctrlPt.y());
- else
- c1 = QPointF(x, y);
- QPointF c2(num[0] + offsetX, num[1] + offsetY);
- QPointF e(num[2] + offsetX, num[3] + offsetY);
- num += 4;
- count -= 4;
- path.cubicTo(c1, c2, e);
- ctrlPt = c2;
- x = e.x();
- y = e.y();
- break;
- }
- case 'S': {
- if (count < 4) {
- num += count;
- count = 0;
- break;
- }
- QPointF c1;
- if (lastMode == 'c' || lastMode == 'C' ||
- lastMode == 's' || lastMode == 'S')
- c1 = QPointF(2*x-ctrlPt.x(), 2*y-ctrlPt.y());
- else
- c1 = QPointF(x, y);
- QPointF c2(num[0], num[1]);
- QPointF e(num[2], num[3]);
- num += 4;
- count -= 4;
- path.cubicTo(c1, c2, e);
- ctrlPt = c2;
- x = e.x();
- y = e.y();
- break;
- }
- case 'q': {
- if (count < 4) {
- num += count;
- count = 0;
- break;
- }
- QPointF c(num[0] + offsetX, num[1] + offsetY);
- QPointF e(num[2] + offsetX, num[3] + offsetY);
- num += 4;
- count -= 4;
- path.quadTo(c, e);
- ctrlPt = c;
- x = e.x();
- y = e.y();
- break;
- }
- case 'Q': {
- if (count < 4) {
- num += count;
- count = 0;
- break;
- }
- QPointF c(num[0], num[1]);
- QPointF e(num[2], num[3]);
- num += 4;
- count -= 4;
- path.quadTo(c, e);
- ctrlPt = c;
- x = e.x();
- y = e.y();
- break;
- }
- case 't': {
- if (count < 2) {
- num += count;
- count = 0;
- break;
- }
- QPointF e(num[0] + offsetX, num[1] + offsetY);
- num += 2;
- count -= 2;
- QPointF c;
- if (lastMode == 'q' || lastMode == 'Q' ||
- lastMode == 't' || lastMode == 'T')
- c = QPointF(2*x-ctrlPt.x(), 2*y-ctrlPt.y());
- else
- c = QPointF(x, y);
- path.quadTo(c, e);
- ctrlPt = c;
- x = e.x();
- y = e.y();
- break;
- }
- case 'T': {
- if (count < 2) {
- num += count;
- count = 0;
- break;
- }
- QPointF e(num[0], num[1]);
- num += 2;
- count -= 2;
- QPointF c;
- if (lastMode == 'q' || lastMode == 'Q' ||
- lastMode == 't' || lastMode == 'T')
- c = QPointF(2*x-ctrlPt.x(), 2*y-ctrlPt.y());
- else
- c = QPointF(x, y);
- path.quadTo(c, e);
- ctrlPt = c;
- x = e.x();
- y = e.y();
- break;
- }
- case 'a': {
- if (count < 7) {
- num += count;
- count = 0;
- break;
- }
- qreal rx = (*num++);
- qreal ry = (*num++);
- qreal xAxisRotation = (*num++);
- qreal largeArcFlag = (*num++);
- qreal sweepFlag = (*num++);
- qreal ex = (*num++) + offsetX;
- qreal ey = (*num++) + offsetY;
- count -= 7;
- qreal curx = x;
- qreal cury = y;
- pathArc(path, rx, ry, xAxisRotation, int(largeArcFlag),
- int(sweepFlag), ex, ey, curx, cury);
-
- x = ex;
- y = ey;
- }
- break;
- case 'A': {
- if (count < 7) {
- num += count;
- count = 0;
- break;
- }
- qreal rx = (*num++);
- qreal ry = (*num++);
- qreal xAxisRotation = (*num++);
- qreal largeArcFlag = (*num++);
- qreal sweepFlag = (*num++);
- qreal ex = (*num++);
- qreal ey = (*num++);
- count -= 7;
- qreal curx = x;
- qreal cury = y;
- pathArc(path, rx, ry, xAxisRotation, int(largeArcFlag),
- int(sweepFlag), ex, ey, curx, cury);
-
- x = ex;
- y = ey;
- }
- break;
- default:
- return false;
- }
- lastMode = pathElem.toLatin1();
- }
- }
- return true;
-}
-
-QT_END_NAMESPACE
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