bool RenderPath::strokeContains(const FloatPoint& point, bool requiresStroke) const
{
if (m_path.isEmpty())
return false;
if (requiresStroke && !SVGPaintServer::strokePaintServer(style(), this))
return false;
BoundingRectStrokeStyleApplier strokeStyle(this, style());
return m_path.strokeContains(&strokeStyle, point);
}
bool RenderSVGPath::strokeContains(const FloatPoint& point, bool requiresStroke)
{
if (!m_strokeAndMarkerBoundingBox.contains(point))
return false;
Color fallbackColor;
if (requiresStroke && !RenderSVGResource::strokePaintingResource(this, style(), fallbackColor))
return false;
BoundingRectStrokeStyleApplier strokeStyle(this, style());
return m_path.strokeContains(&strokeStyle, point);
}
CanvasStyle* CanvasRenderingContext2DState::style(PaintType paintType) const {
switch (paintType) {
case FillPaintType:
return fillStyle();
case StrokePaintType:
return strokeStyle();
case ImagePaintType:
return nullptr;
}
ASSERT_NOT_REACHED();
return nullptr;
}
void GraphicsContext::strokeArc(const IntRect& rect, int startAngle, int angleSpan)
{
if (paintingDisabled() || strokeStyle() == NoStroke || strokeThickness() <= 0.0f || !strokeColor().alpha())
return;
QPainter *p = m_data->p();
const bool antiAlias = p->testRenderHint(QPainter::Antialiasing);
p->setRenderHint(QPainter::Antialiasing, m_data->antiAliasingForRectsAndLines);
p->drawArc(rect, startAngle * 16, angleSpan * 16);
p->setRenderHint(QPainter::Antialiasing, antiAlias);
}
void GraphicsContext::drawLineForText(const IntPoint& origin, int width, bool printing)
{
if (paintingDisabled())
return;
// This is a workaround for http://bugs.webkit.org/show_bug.cgi?id=15659
StrokeStyle savedStrokeStyle = strokeStyle();
setStrokeStyle(SolidStroke);
IntPoint endPoint = origin + IntSize(width, 0);
drawLine(origin, endPoint);
setStrokeStyle(savedStrokeStyle);
}
void GraphicsContext::drawConvexPolygon(size_t pointsLength, const FloatPoint* points, bool shouldAntialias)
{
if (paintingDisabled())
return;
BPoint bPoints[pointsLength];
for (size_t i = 0; i < pointsLength; i++)
bPoints[i] = points[i];
m_data->m_view->FillPolygon(bPoints, pointsLength);
if (strokeStyle() != NoStroke)
// Stroke with low color
m_data->m_view->StrokePolygon(bPoints, pointsLength, true, getHaikuStrokeStyle());
}
FloatRect RenderPath::strokeBoundingBox() const
{
if (m_path.isEmpty())
return FloatRect();
if (!m_cachedLocalStrokeBBox.isEmpty())
return m_cachedLocalStrokeBBox;
m_cachedLocalStrokeBBox = objectBoundingBox();
if (style()->svgStyle()->hasStroke()) {
BoundingRectStrokeStyleApplier strokeStyle(this, style());
m_cachedLocalStrokeBBox.unite(m_path.strokeBoundingRect(&strokeStyle));
}
return m_cachedLocalStrokeBBox;
}
// This is only used to draw borders.
void GraphicsContext::drawLine(const IntPoint& point1, const IntPoint& point2)
{
if (paintingDisabled())
return;
FloatPoint p1 = point1;
FloatPoint p2 = point2;
QPainter *p = m_data->p();
const bool antiAlias = p->testRenderHint(QPainter::Antialiasing);
p->setRenderHint(QPainter::Antialiasing, m_data->antiAliasingForRectsAndLines);
adjustLineToPixelBoundaries(p1, p2, strokeThickness(), strokeStyle());
p->drawLine(p1, p2);
p->setRenderHint(QPainter::Antialiasing, antiAlias);
}
// This method is only used to draw the little circles used in lists.
void GraphicsContext::drawEllipse(const IntRect& elipseRect)
{
if (paintingDisabled())
return;
SkRect rect = elipseRect;
SkPaint paint;
platformContext()->setupPaintForFilling(&paint);
platformContext()->canvas()->drawOval(rect, paint);
platformContext()->didDrawBounded(rect, paint);
if (strokeStyle() != NoStroke) {
paint.reset();
platformContext()->setupPaintForStroking(&paint, &rect, 0);
platformContext()->canvas()->drawOval(rect, paint);
platformContext()->didDrawBounded(rect, paint);
}
}
pattern GraphicsContext::getHaikuStrokeStyle()
{
switch (strokeStyle()) {
case SolidStroke:
return B_SOLID_HIGH;
break;
case DottedStroke:
return B_MIXED_COLORS;
break;
case DashedStroke:
// FIXME: use a better dashed stroke!
notImplemented();
return B_MIXED_COLORS;
break;
default:
return B_SOLID_LOW;
break;
}
}
void GraphicsContext::strokeArc(const IntRect& rect, int startAngle, int angleSpan)
{
if (paintingDisabled() || strokeStyle() == NoStroke || strokeThickness() <= 0.0f || !strokeColor().alpha())
return;
// TODO: The code below will only make round-corner boxen look nice. For an utterly shocking
// implementation of round corner drawing, see RenderBoxModelObject::paintBorder(). It tries
// to use one (or two) alpha mask(s) per box corner to cut off a thicker stroke and doubles
// the stroke with. All this to align the arc with the box sides...
m_data->view()->PushState();
float penSize = strokeThickness() / 2.0f;
m_data->view()->SetPenSize(penSize);
BRect bRect(rect.x(), rect.y(), rect.maxX(), rect.maxY());
if (startAngle >= 0 && startAngle < 90) {
bRect.left += penSize / 2 - 0.5;
bRect.top += penSize / 2 - 0.5;
bRect.right -= penSize / 2 + 0.5;
bRect.bottom -= penSize / 2 - 0.5;
} else if (startAngle >= 90 && startAngle < 180) {
bRect.left += penSize / 2 - 0.5;
bRect.top += penSize / 2 - 0.5;
bRect.right -= penSize / 2 - 0.5;
bRect.bottom -= penSize / 2 - 0.5;
} else if (startAngle >= 180 && startAngle < 270) {
bRect.left += penSize / 2 - 0.5;
bRect.top += penSize / 2 - 0.5;
bRect.right -= penSize / 2 - 0.5;
bRect.bottom -= penSize / 2 + 0.5;
} else if (startAngle >= 270 && startAngle < 360) {
bRect.left += penSize / 2 - 0.5;
bRect.top += penSize / 2 - 0.5;
bRect.right -= penSize / 2 + 0.5;
bRect.bottom -= penSize / 2 + 0.5;
}
uint32 flags = m_data->view()->Flags();
m_data->view()->SetFlags(flags | B_SUBPIXEL_PRECISE);
m_data->view()->StrokeArc(bRect, startAngle, angleSpan, getHaikuStrokeStyle());
m_data->view()->SetFlags(flags);
m_data->view()->PopState();
}
// This method is only used to draw the little circles used in lists.
void GraphicsContext::drawEllipse(const IntRect& elipseRect)
{
if (paintingDisabled())
return;
SkRect rect = elipseRect;
if (!isRectSkiaSafe(getCTM(), rect))
return;
platformContext()->prepareForSoftwareDraw();
SkPaint paint;
platformContext()->setupPaintForFilling(&paint);
platformContext()->canvas()->drawOval(rect, paint);
if (strokeStyle() != NoStroke) {
paint.reset();
platformContext()->setupPaintForStroking(&paint, &rect, 0);
platformContext()->canvas()->drawOval(rect, paint);
}
}
// This is only used to draw borders.
void GraphicsContext::drawLine(const IntPoint& point1, const IntPoint& point2)
{
if (paintingDisabled())
return;
StrokeStyle penStyle = strokeStyle();
if (penStyle == NoStroke)
return;
SkPaint paint;
SkPoint pts[2] = { (SkPoint)point1, (SkPoint)point2 };
if (!isPointSkiaSafe(getCTM(), pts[0]) || !isPointSkiaSafe(getCTM(), pts[1]))
return;
// We know these are vertical or horizontal lines, so the length will just
// be the sum of the displacement component vectors give or take 1 -
// probably worth the speed up of no square root, which also won't be exact.
SkPoint disp = pts[1] - pts[0];
int length = SkScalarRound(disp.fX + disp.fY);
int width = roundf(
platformContext()->setupPaintForStroking(&paint, 0, length));
// "Borrowed" this comment and idea from GraphicsContextCG.cpp
// For odd widths, we add in 0.5 to the appropriate x/y so that the float
// arithmetic works out. For example, with a border width of 3, KHTML will
// pass us (y1+y2)/2, e.g., (50+53)/2 = 103/2 = 51 when we want 51.5. It is
// always true that an even width gave us a perfect position, but an odd
// width gave us a position that is off by exactly 0.5.
bool isVerticalLine = pts[0].fX == pts[1].fX;
if (width & 1) { // Odd.
if (isVerticalLine) {
pts[0].fX = pts[0].fX + SK_ScalarHalf;
pts[1].fX = pts[0].fX;
} else { // Horizontal line
pts[0].fY = pts[0].fY + SK_ScalarHalf;
pts[1].fY = pts[0].fY;
}
}
platformContext()->canvas()->drawPoints(SkCanvas::kLines_PointMode, 2, pts, paint);
}
// This method is only used to draw the little circles used in lists.
void GraphicsContext::drawEllipse(const IntRect& rect)
{
if (paintingDisabled())
return;
if (m_state.fillPattern || m_state.fillGradient || fillColor().alpha()) {
// TODO: What's this shadow business?
if (m_state.fillPattern)
notImplemented();
else if (m_state.fillGradient) {
BGradient* gradient = m_state.fillGradient->platformGradient();
// gradient->SetTransform(m_state.fillGradient->gradientSpaceTransform());
m_data->view()->FillEllipse(rect, *gradient);
} else
m_data->view()->FillEllipse(rect);
}
// TODO: Support gradients
if (strokeStyle() != NoStroke && strokeThickness() > 0.0f && strokeColor().alpha())
m_data->view()->StrokeEllipse(rect, getHaikuStrokeStyle());
}
// Draws a filled rectangle with a stroked border.
void GraphicsContext::drawRect(const IntRect& rect)
{
if (paintingDisabled())
return;
cairo_t* cr = platformContext()->cr();
cairo_save(cr);
fillRectWithColor(cr, rect, fillColor());
if (strokeStyle() != NoStroke) {
setSourceRGBAFromColor(cr, strokeColor());
FloatRect r(rect);
r.inflate(-.5f);
cairo_rectangle(cr, r.x(), r.y(), r.width(), r.height());
cairo_set_line_width(cr, 1.0);
cairo_stroke(cr);
}
cairo_restore(cr);
}
FloatRect RenderPath::repaintRectInLocalCoordinates() const
{
if (m_path.isEmpty())
return FloatRect();
// If we already have a cached repaint rect, return that
if (!m_cachedLocalRepaintRect.isEmpty())
return m_cachedLocalRepaintRect;
if (!style()->svgStyle()->hasStroke())
m_cachedLocalRepaintRect = objectBoundingBox();
else {
BoundingRectStrokeStyleApplier strokeStyle(this, style());
m_cachedLocalRepaintRect = m_path.strokeBoundingRect(&strokeStyle);
}
// Markers and filters can paint outside of the stroke path
m_cachedLocalRepaintRect.unite(m_markerBounds);
m_cachedLocalRepaintRect.unite(filterBoundingBoxForRenderer(this));
return m_cachedLocalRepaintRect;
}
// Draws a filled rectangle with a stroked border.
void GraphicsContext::drawRect(const IntRect& rect)
{
if (paintingDisabled())
return;
cairo_t* cr = m_data->cr;
cairo_save(cr);
if (fillColor().alpha())
fillRectSourceOver(cr, rect, fillColor());
if (strokeStyle() != NoStroke) {
setColor(cr, strokeColor());
FloatRect r(rect);
r.inflate(-.5f);
cairo_rectangle(cr, r.x(), r.y(), r.width(), r.height());
cairo_set_line_width(cr, 1.0);
cairo_stroke(cr);
}
cairo_restore(cr);
}
void GraphicsContext::strokeArc(const IntRect& rect, int startAngle, int angleSpan)
{
if (paintingDisabled() || strokeStyle() == NoStroke || strokeThickness() <= 0.0f)
return;
CGContextRef context = platformContext();
CGContextSaveGState(context);
CGContextBeginPath(context);
CGContextSetShouldAntialias(context, false);
int x = rect.x();
int y = rect.y();
float w = (float)rect.width();
float h = (float)rect.height();
float scaleFactor = h / w;
float reverseScaleFactor = w / h;
if (w != h)
scale(FloatSize(1, scaleFactor));
float hRadius = w / 2;
float vRadius = h / 2;
float fa = startAngle;
float falen = fa + angleSpan;
float start = -fa * piFloat / 180.0f;
float end = -falen * piFloat / 180.0f;
CGContextAddArc(context, x + hRadius, (y + vRadius) * reverseScaleFactor, hRadius, start, end, true);
if (w != h)
scale(FloatSize(1, reverseScaleFactor));
float width = strokeThickness();
int patWidth = 0;
switch (strokeStyle()) {
case DottedStroke:
patWidth = (int)(width / 2);
break;
case DashedStroke:
patWidth = 3 * (int)(width / 2);
break;
default:
break;
}
if (patWidth) {
// Example: 80 pixels with a width of 30 pixels.
// Remainder is 20. The maximum pixels of line we could paint
// will be 50 pixels.
int distance;
if (hRadius == vRadius)
distance = static_cast<int>((piFloat * hRadius) / 2.0f);
else // We are elliptical and will have to estimate the distance
distance = static_cast<int>((piFloat * sqrtf((hRadius * hRadius + vRadius * vRadius) / 2.0f)) / 2.0f);
int remainder = distance % patWidth;
int coverage = distance - remainder;
int numSegments = coverage / patWidth;
float patternOffset = 0.0f;
// Special case 1px dotted borders for speed.
if (patWidth == 1)
patternOffset = 1.0f;
else {
bool evenNumberOfSegments = !(numSegments % 2);
if (remainder)
evenNumberOfSegments = !evenNumberOfSegments;
if (evenNumberOfSegments) {
if (remainder) {
patternOffset += patWidth - remainder;
patternOffset += remainder / 2.0f;
} else
patternOffset = patWidth / 2.0f;
} else {
if (remainder)
patternOffset = (patWidth - remainder) / 2.0f;
}
}
const CGFloat dottedLine[2] = { patWidth, patWidth };
CGContextSetLineDash(context, patternOffset, dottedLine, 2);
}
CGContextStrokePath(context);
CGContextRestoreGState(context);
}
// This is only used to draw borders.
void GraphicsContext::drawLine(const IntPoint& point1, const IntPoint& point2)
{
if (paintingDisabled())
return;
if (strokeStyle() == NoStroke)
return;
float width = strokeThickness();
FloatPoint p1 = point1;
FloatPoint p2 = point2;
bool isVerticalLine = (p1.x() == p2.x());
// For odd widths, we add in 0.5 to the appropriate x/y so that the float arithmetic
// works out. For example, with a border width of 3, KHTML will pass us (y1+y2)/2, e.g.,
// (50+53)/2 = 103/2 = 51 when we want 51.5. It is always true that an even width gave
// us a perfect position, but an odd width gave us a position that is off by exactly 0.5.
if (strokeStyle() == DottedStroke || strokeStyle() == DashedStroke) {
if (isVerticalLine) {
p1.move(0, width);
p2.move(0, -width);
} else {
p1.move(width, 0);
p2.move(-width, 0);
}
}
if (((int)width) % 2) {
if (isVerticalLine) {
// We're a vertical line. Adjust our x.
p1.move(0.5f, 0.0f);
p2.move(0.5f, 0.0f);
} else {
// We're a horizontal line. Adjust our y.
p1.move(0.0f, 0.5f);
p2.move(0.0f, 0.5f);
}
}
int patWidth = 0;
switch (strokeStyle()) {
case NoStroke:
case SolidStroke:
break;
case DottedStroke:
patWidth = (int)width;
break;
case DashedStroke:
patWidth = 3 * (int)width;
break;
}
CGContextRef context = platformContext();
if (shouldAntialias())
CGContextSetShouldAntialias(context, false);
if (patWidth) {
CGContextSaveGState(context);
// Do a rect fill of our endpoints. This ensures we always have the
// appearance of being a border. We then draw the actual dotted/dashed line.
setCGFillColor(context, strokeColor(), strokeColorSpace()); // The save/restore make it safe to mutate the fill color here without setting it back to the old color.
if (isVerticalLine) {
CGContextFillRect(context, FloatRect(p1.x() - width / 2, p1.y() - width, width, width));
CGContextFillRect(context, FloatRect(p2.x() - width / 2, p2.y(), width, width));
} else {
CGContextFillRect(context, FloatRect(p1.x() - width, p1.y() - width / 2, width, width));
CGContextFillRect(context, FloatRect(p2.x(), p2.y() - width / 2, width, width));
}
// Example: 80 pixels with a width of 30 pixels.
// Remainder is 20. The maximum pixels of line we could paint
// will be 50 pixels.
int distance = (isVerticalLine ? (point2.y() - point1.y()) : (point2.x() - point1.x())) - 2*(int)width;
int remainder = distance % patWidth;
int coverage = distance - remainder;
int numSegments = coverage / patWidth;
float patternOffset = 0.0f;
// Special case 1px dotted borders for speed.
if (patWidth == 1)
patternOffset = 1.0f;
else {
bool evenNumberOfSegments = !(numSegments % 2);
if (remainder)
evenNumberOfSegments = !evenNumberOfSegments;
if (evenNumberOfSegments) {
if (remainder) {
patternOffset += patWidth - remainder;
patternOffset += remainder / 2;
} else
patternOffset = patWidth / 2;
} else {
if (remainder)
patternOffset = (patWidth - remainder)/2;
}
}
const CGFloat dottedLine[2] = { patWidth, patWidth };
CGContextSetLineDash(context, patternOffset, dottedLine, 2);
}
CGContextBeginPath(context);
CGContextMoveToPoint(context, p1.x(), p1.y());
CGContextAddLineToPoint(context, p2.x(), p2.y());
CGContextStrokePath(context);
if (patWidth)
CGContextRestoreGState(context);
if (shouldAntialias())
CGContextSetShouldAntialias(context, true);
}
void GraphicsContext::strokeArc(const IntRect& rect, int startAngle, int angleSpan)
{
if (paintingDisabled() || strokeStyle() == NoStroke)
return;
int x = rect.x();
int y = rect.y();
float w = rect.width();
float h = rect.height();
float scaleFactor = h / w;
float reverseScaleFactor = w / h;
float hRadius = w / 2;
float vRadius = h / 2;
float fa = startAngle;
float falen = fa + angleSpan;
cairo_t* cr = m_data->cr;
cairo_save(cr);
if (w != h)
cairo_scale(cr, 1., scaleFactor);
cairo_arc_negative(cr, x + hRadius, (y + vRadius) * reverseScaleFactor, hRadius, -fa * M_PI/180, -falen * M_PI/180);
if (w != h)
cairo_scale(cr, 1., reverseScaleFactor);
float width = strokeThickness();
int patWidth = 0;
switch (strokeStyle()) {
case DottedStroke:
patWidth = static_cast<int>(width / 2);
break;
case DashedStroke:
patWidth = 3 * static_cast<int>(width / 2);
break;
default:
break;
}
setColor(cr, strokeColor());
if (patWidth) {
// Example: 80 pixels with a width of 30 pixels.
// Remainder is 20. The maximum pixels of line we could paint
// will be 50 pixels.
int distance;
if (hRadius == vRadius)
distance = static_cast<int>((M_PI * hRadius) / 2.0);
else // We are elliptical and will have to estimate the distance
distance = static_cast<int>((M_PI * sqrtf((hRadius * hRadius + vRadius * vRadius) / 2.0)) / 2.0);
int remainder = distance % patWidth;
int coverage = distance - remainder;
int numSegments = coverage / patWidth;
float patternOffset = 0.0;
// Special case 1px dotted borders for speed.
if (patWidth == 1)
patternOffset = 1.0;
else {
bool evenNumberOfSegments = numSegments % 2 == 0;
if (remainder)
evenNumberOfSegments = !evenNumberOfSegments;
if (evenNumberOfSegments) {
if (remainder) {
patternOffset += patWidth - remainder;
patternOffset += remainder / 2.0;
} else
patternOffset = patWidth / 2.0;
} else {
if (remainder)
patternOffset = (patWidth - remainder) / 2.0;
}
}
double dash = patWidth;
cairo_set_dash(cr, &dash, 1, patternOffset);
}
cairo_stroke(cr);
cairo_restore(cr);
}
int Context2D::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
_id = QObject::qt_metacall(_c, _id, _a);
if (_id < 0)
return _id;
if (_c == QMetaObject::InvokeMetaMethod) {
switch (_id) {
case 0: changed((*reinterpret_cast< const QImage(*)>(_a[1]))); break;
case 1: save(); break;
case 2: restore(); break;
case 3: scale((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2]))); break;
case 4: rotate((*reinterpret_cast< qreal(*)>(_a[1]))); break;
case 5: translate((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2]))); break;
case 6: transform((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4])),(*reinterpret_cast< qreal(*)>(_a[5])),(*reinterpret_cast< qreal(*)>(_a[6]))); break;
case 7: setTransform((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4])),(*reinterpret_cast< qreal(*)>(_a[5])),(*reinterpret_cast< qreal(*)>(_a[6]))); break;
case 8: { CanvasGradient _r = createLinearGradient((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4])));
if (_a[0]) *reinterpret_cast< CanvasGradient*>(_a[0]) = _r; } break;
case 9: { CanvasGradient _r = createRadialGradient((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4])),(*reinterpret_cast< qreal(*)>(_a[5])),(*reinterpret_cast< qreal(*)>(_a[6])));
if (_a[0]) *reinterpret_cast< CanvasGradient*>(_a[0]) = _r; } break;
case 10: clearRect((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4]))); break;
case 11: fillRect((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4]))); break;
case 12: strokeRect((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4]))); break;
case 13: beginPath(); break;
case 14: closePath(); break;
case 15: moveTo((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2]))); break;
case 16: lineTo((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2]))); break;
case 17: quadraticCurveTo((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4]))); break;
case 18: bezierCurveTo((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4])),(*reinterpret_cast< qreal(*)>(_a[5])),(*reinterpret_cast< qreal(*)>(_a[6]))); break;
case 19: arcTo((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4])),(*reinterpret_cast< qreal(*)>(_a[5]))); break;
case 20: rect((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4]))); break;
case 21: arc((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4])),(*reinterpret_cast< qreal(*)>(_a[5])),(*reinterpret_cast< bool(*)>(_a[6]))); break;
case 22: fill(); break;
case 23: stroke(); break;
case 24: clip(); break;
case 25: { bool _r = isPointInPath((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])));
if (_a[0]) *reinterpret_cast< bool*>(_a[0]) = _r; } break;
case 26: drawImage((*reinterpret_cast< DomImage*(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3]))); break;
case 27: drawImage((*reinterpret_cast< DomImage*(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4])),(*reinterpret_cast< qreal(*)>(_a[5]))); break;
case 28: drawImage((*reinterpret_cast< DomImage*(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4])),(*reinterpret_cast< qreal(*)>(_a[5])),(*reinterpret_cast< qreal(*)>(_a[6])),(*reinterpret_cast< qreal(*)>(_a[7])),(*reinterpret_cast< qreal(*)>(_a[8])),(*reinterpret_cast< qreal(*)>(_a[9]))); break;
case 29: { ImageData _r = getImageData((*reinterpret_cast< qreal(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3])),(*reinterpret_cast< qreal(*)>(_a[4])));
if (_a[0]) *reinterpret_cast< ImageData*>(_a[0]) = _r; } break;
case 30: putImageData((*reinterpret_cast< ImageData(*)>(_a[1])),(*reinterpret_cast< qreal(*)>(_a[2])),(*reinterpret_cast< qreal(*)>(_a[3]))); break;
default: ;
}
_id -= 31;
}
#ifndef QT_NO_PROPERTIES
else if (_c == QMetaObject::ReadProperty) {
void *_v = _a[0];
switch (_id) {
case 0: *reinterpret_cast< qreal*>(_v) = globalAlpha(); break;
case 1: *reinterpret_cast< QString*>(_v) = globalCompositeOperation(); break;
case 2: *reinterpret_cast< QVariant*>(_v) = strokeStyle(); break;
case 3: *reinterpret_cast< QVariant*>(_v) = fillStyle(); break;
case 4: *reinterpret_cast< qreal*>(_v) = lineWidth(); break;
case 5: *reinterpret_cast< QString*>(_v) = lineCap(); break;
case 6: *reinterpret_cast< QString*>(_v) = lineJoin(); break;
case 7: *reinterpret_cast< qreal*>(_v) = miterLimit(); break;
case 8: *reinterpret_cast< qreal*>(_v) = shadowOffsetX(); break;
case 9: *reinterpret_cast< qreal*>(_v) = shadowOffsetY(); break;
case 10: *reinterpret_cast< qreal*>(_v) = shadowBlur(); break;
case 11: *reinterpret_cast< QString*>(_v) = shadowColor(); break;
}
_id -= 12;
} else if (_c == QMetaObject::WriteProperty) {
void *_v = _a[0];
switch (_id) {
case 0: setGlobalAlpha(*reinterpret_cast< qreal*>(_v)); break;
case 1: setGlobalCompositeOperation(*reinterpret_cast< QString*>(_v)); break;
case 2: setStrokeStyle(*reinterpret_cast< QVariant*>(_v)); break;
case 3: setFillStyle(*reinterpret_cast< QVariant*>(_v)); break;
case 4: setLineWidth(*reinterpret_cast< qreal*>(_v)); break;
case 5: setLineCap(*reinterpret_cast< QString*>(_v)); break;
case 6: setLineJoin(*reinterpret_cast< QString*>(_v)); break;
case 7: setMiterLimit(*reinterpret_cast< qreal*>(_v)); break;
case 8: setShadowOffsetX(*reinterpret_cast< qreal*>(_v)); break;
case 9: setShadowOffsetY(*reinterpret_cast< qreal*>(_v)); break;
case 10: setShadowBlur(*reinterpret_cast< qreal*>(_v)); break;
case 11: setShadowColor(*reinterpret_cast< QString*>(_v)); break;
}
_id -= 12;
} else if (_c == QMetaObject::ResetProperty) {
_id -= 12;
} else if (_c == QMetaObject::QueryPropertyDesignable) {
_id -= 12;
} else if (_c == QMetaObject::QueryPropertyScriptable) {
_id -= 12;
} else if (_c == QMetaObject::QueryPropertyStored) {
_id -= 12;
} else if (_c == QMetaObject::QueryPropertyEditable) {
_id -= 12;
} else if (_c == QMetaObject::QueryPropertyUser) {
_id -= 12;
}
#endif // QT_NO_PROPERTIES
return _id;
}
void GraphicsContext::setPlatformStrokeThickness(float thickness)
{
if (paintingDisabled())
return;
if (m_data->context)
m_data->context->SetPen(wxPen(strokeColor(), thickness, strokeStyleToWxPenStyle(strokeStyle())));
}
void GraphicsContext::drawConvexPolygon(size_t npoints, const FloatPoint* points, bool shouldAntialias)
{
if (paintingDisabled())
return;
if (npoints <= 1)
return;
wxPoint* polygon = new wxPoint[npoints];
for (size_t i = 0; i < npoints; i++)
polygon[i] = wxPoint(points[i].x(), points[i].y());
m_data->context->SetPen(wxPen(strokeColor(), strokeThickness(), strokeStyleToWxPenStyle(strokeStyle())));
m_data->context->DrawPolygon((int)npoints, polygon);
delete [] polygon;
}
void GraphicsContext::setPlatformStrokeColor(const Color& color, ColorSpace colorSpace)
{
if (paintingDisabled())
return;
if (m_data->context)
m_data->context->SetPen(wxPen(color, strokeThickness(), strokeStyleToWxPenStyle(strokeStyle())));
}
void GraphicsContext::strokeArc(const IntRect& rect, int startAngle, int angleSpan)
{
if (paintingDisabled())
return;
m_data->context->SetPen(wxPen(strokeColor(), strokeThickness(), strokeStyleToWxPenStyle(strokeStyle())));
m_data->context->DrawEllipticArc(rect.x(), rect.y(), rect.width(), rect.height(), startAngle, angleSpan);
}
// This method is only used to draw the little circles used in lists.
void GraphicsContext::drawEllipse(const IntRect& rect)
{
if (paintingDisabled())
return;
m_data->context->SetPen(wxPen(strokeColor(), strokeThickness(), strokeStyleToWxPenStyle(strokeStyle())));
m_data->context->DrawEllipse(rect.x(), rect.y(), rect.width(), rect.height());
}
// This is only used to draw borders.
void GraphicsContext::drawLine(const IntPoint& point1, const IntPoint& point2)
{
if (paintingDisabled())
return;
FloatPoint p1 = point1;
FloatPoint p2 = point2;
m_data->context->SetPen(wxPen(strokeColor(), strokeThickness(), strokeStyleToWxPenStyle(strokeStyle())));
m_data->context->DrawLine(point1.x(), point1.y(), point2.x(), point2.y());
}
// This is only used to draw borders.
void GraphicsContext::drawLine(const IntPoint& point1, const IntPoint& point2)
{
if (paintingDisabled())
return;
StrokeStyle style = strokeStyle();
if (style == NoStroke)
return;
cairo_t* cr = m_data->cr;
cairo_save(cr);
float width = strokeThickness();
if (width < 1)
width = 1;
FloatPoint p1 = point1;
FloatPoint p2 = point2;
bool isVerticalLine = (p1.x() == p2.x());
adjustLineToPixelBoundaries(p1, p2, width, style);
cairo_set_line_width(cr, width);
int patWidth = 0;
switch (style) {
case NoStroke:
case SolidStroke:
break;
case DottedStroke:
patWidth = static_cast<int>(width);
break;
case DashedStroke:
patWidth = 3*static_cast<int>(width);
break;
}
setColor(cr, strokeColor());
cairo_set_antialias(cr, CAIRO_ANTIALIAS_NONE);
if (patWidth) {
// Do a rect fill of our endpoints. This ensures we always have the
// appearance of being a border. We then draw the actual dotted/dashed line.
if (isVerticalLine) {
fillRectSourceOver(cr, FloatRect(p1.x() - width/2, p1.y() - width, width, width), strokeColor());
fillRectSourceOver(cr, FloatRect(p2.x() - width/2, p2.y(), width, width), strokeColor());
} else {
fillRectSourceOver(cr, FloatRect(p1.x() - width, p1.y() - width/2, width, width), strokeColor());
fillRectSourceOver(cr, FloatRect(p2.x(), p2.y() - width/2, width, width), strokeColor());
}
// Example: 80 pixels with a width of 30 pixels.
// Remainder is 20. The maximum pixels of line we could paint
// will be 50 pixels.
int distance = (isVerticalLine ? (point2.y() - point1.y()) : (point2.x() - point1.x())) - 2*static_cast<int>(width);
int remainder = distance%patWidth;
int coverage = distance-remainder;
int numSegments = coverage/patWidth;
float patternOffset = 0;
// Special case 1px dotted borders for speed.
if (patWidth == 1)
patternOffset = 1.0;
else {
bool evenNumberOfSegments = numSegments%2 == 0;
if (remainder)
evenNumberOfSegments = !evenNumberOfSegments;
if (evenNumberOfSegments) {
if (remainder) {
patternOffset += patWidth - remainder;
patternOffset += remainder/2;
}
else
patternOffset = patWidth/2;
}
else if (!evenNumberOfSegments) {
if (remainder)
patternOffset = (patWidth - remainder)/2;
}
}
double dash = patWidth;
cairo_set_dash(cr, &dash, 1, patternOffset);
}
cairo_move_to(cr, p1.x(), p1.y());
cairo_line_to(cr, p2.x(), p2.y());
cairo_stroke(cr);
cairo_restore(cr);
}
// Draws a filled rectangle with a stroked border.
void GraphicsContext::drawRect(const IntRect& rect)
{
if (paintingDisabled())
return;
ASSERT(!rect.isEmpty());
save();
m_data->context->SetPen(wxPen(strokeColor(), strokeThickness(), strokeStyleToWxPenStyle(strokeStyle())));
m_data->context->DrawRectangle(rect.x(), rect.y(), rect.width(), rect.height());
restore();
}