void drawRoundedRect(CGContextRef context, CGRect rrect)
{
// Drawing with a white stroke color
CGContextSetRGBStrokeColor(context, 0.3, 0.3, 0.3, 1.0);
CGContextSetRGBFillColor(context, 0.3, 0.3, 0.3, 1.0);
// Add Rect to the current path, then stroke it
// CGContextAddRect(context, CGRectMake(10.0, 190.0, 290.0, 73.0));
CGContextSetLineWidth(context, 1);
CGFloat radius = 10.0;
CGFloat minx = CGRectGetMinX(rrect), midx = CGRectGetMidX(rrect), maxx = CGRectGetMaxX(rrect);
CGFloat miny = CGRectGetMinY(rrect), midy = CGRectGetMidY(rrect), maxy = CGRectGetMaxY(rrect);
// Next, we will go around the rectangle in the order given by the figure below.
// minx midx maxx
// miny 2 3 4
// midy 1 9 5
// maxy 8 7 6
// Which gives us a coincident start and end point, which is incidental to this technique, but still doesn't
// form a closed path, so we still need to close the path to connect the ends correctly.
// Thus we start by moving to point 1, then adding arcs through each pair of points that follows.
// You could use a similar tecgnique to create any shape with rounded corners.
// Start at 1
CGContextMoveToPoint(context, minx, midy);
// Add an arc through 2 to 3
CGContextAddArcToPoint(context, minx, miny, midx, miny, radius);
// Add an arc through 4 to 5
CGContextAddArcToPoint(context, maxx, miny, maxx, midy, radius);
// Add an arc through 6 to 7
CGContextAddArcToPoint(context, maxx, maxy, midx, maxy, radius);
// Add an arc through 8 to 9
CGContextAddArcToPoint(context, minx, maxy, minx, midy, radius);
// Close the path
CGContextClosePath(context);
// Fill & stroke the path
CGContextDrawPath(context, kCGPathFillStroke);
CGContextSetRGBStrokeColor(context, 0.0, 0.0, 0.0, 0.0);
CGContextSetRGBFillColor(context, 1.0, 1.0, 1.0, 1.0);
CGContextMoveToPoint(context, minx, midy);
// Add an arc through 2 to 3
CGContextAddArcToPoint(context, minx, miny, midx, miny, radius);
// Add an arc through 4 to 5
CGContextAddArcToPoint(context, maxx, miny, maxx, midy, radius);
// Add an arc through 6 to 7
CGContextAddArcToPoint(context, maxx, maxy, midx, maxy, radius);
// Add an arc through 8 to 9
CGContextAddArcToPoint(context, minx, maxy, minx, midy, radius);
// Close the path
CGContextClosePath(context);
// Fill & stroke the path
CGContextDrawPath(context, kCGPathFillStroke);
}
FX_BOOL CFX_QuartzDeviceDriver::DrawPath(const CFX_PathData* pathData,
const CFX_AffineMatrix* matrix,
const CFX_GraphStateData* graphState,
FX_DWORD fillArgb,
FX_DWORD strokeArgb,
int fillMode,
int alpha_flag,
void* pIccTransform,
int blend_type
)
{
SaveState();
CGBlendMode mode = GetCGBlendMode(blend_type);
if (mode != kCGBlendModeNormal) {
CGContextSetBlendMode(_context, mode);
}
CGAffineTransform m = CGAffineTransformIdentity;
if (matrix) {
m = CGAffineTransformMake(matrix->GetA(), matrix->GetB(), matrix->GetC(), matrix->GetD(), matrix->GetE(), matrix->GetF());
}
m = CGAffineTransformConcat(m, _foxitDevice2User);
CGContextConcatCTM(_context, m);
int pathMode = 0;
if (graphState && strokeArgb) {
CGContextSetMiterLimit(_context, graphState->m_MiterLimit);
FX_FLOAT lineWidth = getLineWidth(graphState, m);
setStrokeInfo(graphState, strokeArgb, lineWidth);
pathMode |= 4;
}
if (fillMode && fillArgb) {
setFillInfo(fillArgb);
if ((fillMode & 3) == FXFILL_WINDING) {
pathMode |= 1;
} else if ((fillMode & 3) == FXFILL_ALTERNATE) {
pathMode |= 2;
}
}
setPathToContext(pathData);
if (fillMode & FXFILL_FULLCOVER) {
CGContextSetShouldAntialias(_context, false);
}
if (pathMode == 4) {
CGContextStrokePath(_context);
} else if (pathMode == 1) {
CGContextFillPath(_context);
} else if (pathMode == 2) {
CGContextEOFillPath(_context);
} else if (pathMode == 5) {
CGContextDrawPath(_context, kCGPathFillStroke);
} else if (pathMode == 6) {
CGContextDrawPath(_context, kCGPathEOFillStroke);
}
RestoreState(FALSE);
return TRUE;
}
void doIndexedColorDrawGraphics(CGContextRef context)
{
CGColorSpaceRef theBaseRGBSpace = getTheCalibratedRGBColorSpace();
CGColorSpaceRef theIndexedSpace = NULL;
unsigned char lookupTable[6];
float opaqueRed[] = { 0, 1 }; // index, alpha
float aBlue[] = { 1, 1 }; // index, alpha
// Set the first 3 values in the lookup table to a red of
// 169/255 = 0.663, no green, and blue = 8/255 = 0.031. This makes
// the first entry in the lookup table a shade of red.
lookupTable[0] = 169; lookupTable[1] = 0; lookupTable[2] = 8;
// Set the second 3 values in the lookup table to a red value
// of 123/255 = 0.482, a green value of 158/255 = 0.62, and
// a blue value of 222/255 = 0.871. This makes the second entry
// in the lookup table a shade of blue.
lookupTable[3] = 123; lookupTable[4] = 158; lookupTable[5] = 222;
// Create the indexed color space with this color lookup table,
// using the RGB color space as the base color space and a 2 element
// color lookup table to characterize the indexed color space.
theIndexedSpace = CGColorSpaceCreateIndexed(theBaseRGBSpace, 1, lookupTable);
if(theIndexedSpace != NULL){
CGContextSetStrokeColorSpace(context, theIndexedSpace);
CGContextSetFillColorSpace(context, theIndexedSpace);
// Release the color space this code created since it is no
// longer needed in this routine.
CGColorSpaceRelease(theIndexedSpace);
// Set the stroke color to an opaque blue.
CGContextSetStrokeColor(context, aBlue);
// Set the fill color to an opaque red.
CGContextSetFillColor(context, opaqueRed);
CGContextSetLineWidth(context, 8.);
// Draw the first rectangle.
CGContextBeginPath(context);
CGContextAddRect(context, CGRectMake(20., 20., 100., 100.));
CGContextDrawPath(context, kCGPathFillStroke);
// Continue to use the stroke colorspace already set
// but change the stroke alpha value to a semitransparent value
// while leaving the index value unchanged.
aBlue[1] = 0.5;
CGContextSetStrokeColor(context, aBlue);
// Draw another rectangle to the right of the first one.
CGContextBeginPath(context);
CGContextAddRect(context, CGRectMake(140., 20., 100., 100.));
CGContextDrawPath(context, kCGPathFillStroke);
}else
fprintf(stderr, "Couldn't make the indexed color space!\n");
}
//-----------------------------------------------------------------------------
void CGDrawContext::drawArc (const CRect &rect, const float _startAngle, const float _endAngle, const CDrawStyle drawStyle) // in degree
{
CGContextRef context = beginCGContext (true, getDrawMode ().integralMode ());
if (context)
{
CGPathDrawingMode m;
switch (drawStyle)
{
case kDrawFilled :
m = kCGPathFill;
break;
case kDrawFilledAndStroked :
m = kCGPathFillStroke;
break;
default :
m = kCGPathStroke;
break;
}
applyLineStyle (context);
CGContextBeginPath (context);
CGDrawContextInternal::addOvalToPath (context, CPoint (rect.left + rect.getWidth () / 2., rect.top + rect.getHeight () / 2.), static_cast<CGFloat> (rect.getWidth () / 2.), static_cast<CGFloat> (rect.getHeight () / 2.), _startAngle, _endAngle);
CGContextDrawPath (context, m);
releaseCGContext (context);
}
}
//-----------------------------------------------------------------------------
void CGDrawContext::drawEllipse (const CRect &rect, const CDrawStyle drawStyle)
{
CGContextRef context = beginCGContext (true, getDrawMode ().integralMode ());
if (context)
{
CGRect r = CGRectMake (static_cast<CGFloat> (rect.left), static_cast<CGFloat> (rect.top + 1), static_cast<CGFloat> (rect.getWidth () - 1), static_cast<CGFloat> (rect.getHeight () - 1));
CGPathDrawingMode m;
switch (drawStyle)
{
case kDrawFilled :
m = kCGPathFill;
break;
case kDrawFilledAndStroked :
m = kCGPathFillStroke;
break;
default :
m = kCGPathStroke;
break;
}
applyLineStyle (context);
if (getDrawMode ().integralMode ())
{
r = pixelAlligned (r);
applyLineWidthCTM (context);
}
CGContextAddEllipseInRect (context, r);
CGContextDrawPath (context, m);
releaseCGContext (context);
}
}
DRAW_TEST_P(CGContextFillMode, OverlappedEllipses) {
CGContextRef context = GetDrawingContext();
CGRect bounds = GetDrawingBounds();
bounds = CGRectInset(bounds, 16.f, 16.f);
CGFloat width = bounds.size.width;
CGFloat height = bounds.size.height;
CGFloat xstart = bounds.origin.x;
CGFloat ystart = bounds.origin.y;
CGPathDrawingMode fillMode = GetParam();
CGMutablePathRef leftCircles = CGPathCreateMutable();
CGPathMoveToPoint(leftCircles, NULL, xstart + .25 * width + .4 * height, ystart + .5 * height);
CGPathAddArc(leftCircles, NULL, xstart + .25 * width, ystart + .5 * height, .4 * height, 0, M_PI, true);
CGPathAddArc(leftCircles, NULL, xstart + .25 * width, ystart + .5 * height, .4 * height, M_PI, 0, true);
CGPathMoveToPoint(leftCircles, NULL, xstart + .25 * width + .3 * height, ystart + .5 * height);
CGPathAddArc(leftCircles, NULL, xstart + .25 * width, ystart + .5 * height, .3 * height, 0, M_PI, true);
CGPathAddArc(leftCircles, NULL, xstart + .25 * width, ystart + .5 * height, .3 * height, M_PI, 0, true);
CGPathMoveToPoint(leftCircles, NULL, xstart + .25 * width + .2 * height, ystart + .5 * height);
CGPathAddArc(leftCircles, NULL, xstart + .25 * width, ystart + .5 * height, .2 * height, 0, M_PI, true);
CGPathAddArc(leftCircles, NULL, xstart + .25 * width, ystart + .5 * height, .2 * height, M_PI, 0, true);
CGPathMoveToPoint(leftCircles, NULL, xstart + .25 * width + .1 * height, ystart + .5 * height);
CGPathAddArc(leftCircles, NULL, xstart + .25 * width, ystart + .5 * height, .1 * height, 0, M_PI, true);
CGPathAddArc(leftCircles, NULL, xstart + .25 * width, ystart + .5 * height, .1 * height, M_PI, 0, true);
CGPathCloseSubpath(leftCircles);
CGMutablePathRef rightCircles = CGPathCreateMutable();
CGPathMoveToPoint(rightCircles, NULL, xstart + .75 * width + .4 * height, ystart + .5 * height);
CGPathAddArc(rightCircles, NULL, xstart + .75 * width, ystart + .5 * height, .4 * height, 0, M_PI, false);
CGPathAddArc(rightCircles, NULL, xstart + .75 * width, ystart + .5 * height, .4 * height, M_PI, 0, false);
CGPathMoveToPoint(rightCircles, NULL, xstart + .75 * width + .3 * height, ystart + .5 * height);
CGPathAddArc(rightCircles, NULL, xstart + .75 * width, ystart + .5 * height, .3 * height, 0, M_PI, true);
CGPathAddArc(rightCircles, NULL, xstart + .75 * width, ystart + .5 * height, .3 * height, M_PI, 0, true);
CGPathMoveToPoint(rightCircles, NULL, xstart + .75 * width + .2 * height, ystart + .5 * height);
CGPathAddArc(rightCircles, NULL, xstart + .75 * width, ystart + .5 * height, .2 * height, 0, M_PI, false);
CGPathAddArc(rightCircles, NULL, xstart + .75 * width, ystart + .5 * height, .2 * height, M_PI, 0, false);
CGPathMoveToPoint(rightCircles, NULL, xstart + .75 * width + .1 * height, ystart + .5 * height);
CGPathAddArc(rightCircles, NULL, xstart + .75 * width, ystart + .5 * height, .1 * height, 0, M_PI, true);
CGPathAddArc(rightCircles, NULL, xstart + .75 * width, ystart + .5 * height, .1 * height, M_PI, 0, true);
CGPathCloseSubpath(rightCircles);
CGContextAddPath(context, leftCircles);
CGContextAddPath(context, rightCircles);
CGContextSetRGBFillColor(context, 0, 0, 1, 1);
CGContextSetRGBStrokeColor(context, 1, 0, 0, 1);
CGContextDrawPath(context, fillMode);
CGPathRelease(leftCircles);
CGPathRelease(rightCircles);
}
//-----------------------------------------------------------------------------
void CGDrawContext::drawLine (const LinePair& line)
{
CGContextRef context = beginCGContext (true, getDrawMode ().integralMode ());
if (context)
{
applyLineStyle (context);
CGContextBeginPath (context);
CGPoint first = CGPointFromCPoint (line.first);
CGPoint second = CGPointFromCPoint (line.second);
if (getDrawMode ().integralMode ())
{
first = pixelAlligned (first);
second = pixelAlligned (second);
int32_t frameWidth = static_cast<int32_t> (currentState.frameWidth);
if (frameWidth % 2)
CGContextTranslateCTM (context, 0.5, 0.5);
}
CGContextMoveToPoint (context, first.x, first.y);
CGContextAddLineToPoint (context, second.x, second.y);
CGContextDrawPath (context, kCGPathStroke);
releaseCGContext (context);
}
}
void GraphicsContext::drawPath(const Path& path)
{
if (paintingDisabled())
return;
CGContextRef context = platformContext();
const GraphicsContextState& state = m_state;
if (state.fillGradient || state.strokeGradient) {
// We don't have any optimized way to fill & stroke a path using gradients
// FIXME: Be smarter about this.
fillPath(path);
strokePath(path);
return;
}
CGContextBeginPath(context);
CGContextAddPath(context, path.platformPath());
if (state.fillPattern)
applyFillPattern();
if (state.strokePattern)
applyStrokePattern();
CGPathDrawingMode drawingMode;
if (calculateDrawingMode(state, drawingMode))
CGContextDrawPath(context, drawingMode);
}
// This method is only used to draw the little circles used in lists.
void GraphicsContext::drawEllipse(const IntRect& rect)
{
// FIXME: CG added CGContextAddEllipseinRect in Tiger, so we should be able to quite easily draw an ellipse.
// This code can only handle circles, not ellipses. But khtml only
// uses it for circles.
ASSERT(rect.width() == rect.height());
if (paintingDisabled())
return;
CGContextRef context = platformContext();
CGContextBeginPath(context);
float r = (float)rect.width() / 2;
CGContextAddArc(context, rect.x() + r, rect.y() + r, r, 0, 2*M_PI, true);
CGContextClosePath(context);
if (fillColor().alpha()) {
if (strokeStyle() != NoStroke)
// stroke and fill
CGContextDrawPath(context, kCGPathFillStroke);
else
CGContextFillPath(context);
} else if (strokeStyle() != NoStroke)
CGContextStrokePath(context);
}
static void quartzgen_path(GVJ_t *job, int filled)
{
CGContextRef context = (CGContextRef)job->context;
/* set up colors */
if (filled)
CGContextSetRGBFillColor(context, job->obj->fillcolor.u.RGBA [0], job->obj->fillcolor.u.RGBA [1], job->obj->fillcolor.u.RGBA [2], job->obj->fillcolor.u.RGBA [3]);
CGContextSetRGBStrokeColor(context, job->obj->pencolor.u.RGBA [0], job->obj->pencolor.u.RGBA [1], job->obj->pencolor.u.RGBA [2], job->obj->pencolor.u.RGBA [3]);
/* set up line style */
const CGFloat *segments;
size_t segment_count;
switch (job->obj->pen) {
case PEN_DASHED:
segments = dashed;
segment_count = sizeof(dashed)/sizeof(CGFloat);
break;
case PEN_DOTTED:
segments = dotted;
segment_count = sizeof(dotted)/sizeof(CGFloat);
break;
default:
segments = NULL;
segment_count = 0;
break;
}
CGContextSetLineDash(context, 0.0, segments, segment_count);
/* set up line width */
CGContextSetLineWidth(context, job->obj->penwidth); // *job->scale.x);
/* draw the path */
CGContextDrawPath(context, filled ? kCGPathFillStroke : kCGPathStroke);
}
void doRotatedEllipses(CGContextRef context)
{
int i, totreps = 144;
float tint = 1.0, tintIncrement = 1.0/totreps;
// Create a new transform consisting of a 45 degrees rotation.
CGAffineTransform theTransform = CGAffineTransformMakeRotation(M_PI/4);
// Apply a scale to the transform just created.
theTransform = CGAffineTransformScale(theTransform, 1, 2);
// Place the first ellipse at a good location.
CGContextTranslateCTM(context, 100., 100.);
for(i=0 ; i < totreps ; i++){
// Make a snapshot the coordinate system.
CGContextSaveGState(context);
// Set up the coordinate system for the rotated ellipse.
CGContextConcatCTM(context, theTransform);
CGContextBeginPath(context);
CGContextAddArc(context, 0., 0., 45., 0., 2*M_PI, 0);
// Set the fill color for this instance of the ellipse.
CGContextSetRGBFillColor(context, tint, 0., 0., 1.0);
CGContextDrawPath(context, kCGPathFill);
// Restore the coordinate system to that of the snapshot.
CGContextRestoreGState(context);
// Compute the next tint color.
tint -= tintIncrement;
// Move over by 1 unit in x for the next ellipse.
CGContextTranslateCTM(context, 1.0, 0.0);
}
}
//-----------------------------------------------------------------------------
void CGDrawContext::drawRect (const CRect &rect, const CDrawStyle drawStyle)
{
CGContextRef context = beginCGContext (true, currentState.drawMode.integralMode ());
if (context)
{
CGPathDrawingMode m;
switch (drawStyle)
{
case kDrawFilled : m = kCGPathFill; break;
case kDrawFilledAndStroked : m = kCGPathFillStroke; break;
default : m = kCGPathStroke; break;
}
applyLineStyle (context);
CGRect r;
if (currentState.drawMode.integralMode ())
{
r = CGRectMake (round (rect.left), round (rect.top + 1), round (rect.width () - 1), round (rect.height () - 1));
}
else
{
r = CGRectMake (rect.left, rect.top + 1, rect.width () - 1, rect.height () - 1);
}
if ((((int32_t)currentState.frameWidth) % 2))
CGContextTranslateCTM (context, 0.5f, -0.5f);
CGContextBeginPath (context);
CGContextAddRect (context, r);
CGContextDrawPath (context, m);
releaseCGContext (context);
}
}
//-----------------------------------------------------------------------------
void CGDrawContext::lineTo (const CPoint& point)
{
CGContextRef context = beginCGContext (true, currentState.drawMode.integralMode ());
if (context)
{
applyLineStyle (context);
if ((((int32_t)currentState.frameWidth) % 2))
CGContextTranslateCTM (context, 0.5f, -0.5f);
CGContextBeginPath (context);
if (currentState.drawMode.integralMode ())
{
CGContextMoveToPoint (context, round (currentState.penLoc.h), round (currentState.penLoc.v));
CGContextAddLineToPoint (context, round (point.h), round (point.v));
}
else
{
CGContextMoveToPoint (context, currentState.penLoc.h, currentState.penLoc.v);
CGContextAddLineToPoint (context, point.h, point.v);
}
CGContextDrawPath (context, kCGPathStroke);
releaseCGContext (context);
}
currentState.penLoc = point;
}
//-----------------------------------------------------------------------------
void CGDrawContext::drawEllipse (const CRect &rect, const CDrawStyle drawStyle)
{
CGContextRef context = beginCGContext (true, currentState.drawMode.integralMode ());
if (context)
{
CGPathDrawingMode m;
switch (drawStyle)
{
case kDrawFilled : m = kCGPathFill; break;
case kDrawFilledAndStroked : m = kCGPathFillStroke; break;
default : m = kCGPathStroke; break;
}
applyLineStyle (context);
if (rect.width () != rect.height ())
{
CGContextSaveGState (context);
CGContextBeginPath (context);
CGRect cgRect = CGRectMake (rect.left, rect.top, rect.width (), rect.height ());
CGPoint center = CGPointMake (CGRectGetMidX (cgRect), CGRectGetMidY (cgRect));
CGFloat a = CGRectGetWidth (cgRect) / 2.;
CGFloat b = CGRectGetHeight (cgRect) / 2.;
CGContextTranslateCTM (context, center.x, center.y);
CGContextScaleCTM (context, a, b);
CGContextMoveToPoint (context, 1, 0);
CGContextAddArc (context, 0, 0, 1, radians (0), radians (360), 0);
CGContextClosePath (context);
CGContextRestoreGState (context);
CGContextDrawPath (context, m);
}
else
{
CGFloat radius = rect.width () * 0.5;
CGContextBeginPath (context);
CGContextAddArc (context, rect.left + radius, rect.top + radius, radius, radians (0), radians (360), 0);
CGContextClosePath (context);
CGContextDrawPath (context, m);
}
releaseCGContext (context);
}
}
void drawWithColorRefs(CGContextRef context)
{
static CGColorRef opaqueRedColor = NULL, opaqueBlueColor = NULL, transparentBlueColor = NULL;
// Initialize the CGColorRefs if necessary
if(opaqueRedColor == NULL){
// Initialize the color array to an opaque red
// in the generic calibrated RGB color space.
float color[4] = { 0.663, 0.0, 0.031, 1.0 };
CGColorSpaceRef theColorSpace = getTheCalibratedRGBColorSpace();
// Create a CGColorRef for opaque red.
opaqueRedColor = CGColorCreate(theColorSpace, color);
// Make the color array correspond to an opaque blue color.
color[0] = 0.482; color[1] = 0.62; color[2] = 0.871;
// Create another CGColorRef for opaque blue.
opaqueBlueColor = CGColorCreate(theColorSpace, color);
// Create a new CGColorRef from the opaqueBlue CGColorRef
// but with a different alpha value.
transparentBlueColor = CGColorCreateCopyWithAlpha(opaqueBlueColor, 0.5);
if(!(opaqueRedColor && opaqueBlueColor && transparentBlueColor)){
fprintf(stderr, "Couldn't create one of the CGColorRefs!!!\n");
return;
}
}
// Set the fill color to the opaque red CGColor object.
CGContextSetFillColorWithColor(context, opaqueRedColor);
// Set the stroke color to the opaque blue CGColor object.
CGContextSetStrokeColorWithColor(context, opaqueBlueColor);
CGContextSetLineWidth(context, 8.);
// Draw the first rectangle.
CGContextBeginPath(context);
CGContextAddRect(context, CGRectMake(20., 20., 100., 100.));
CGContextDrawPath(context, kCGPathFillStroke);
// Set the stroke color to be that of the transparent blue
// CGColor object.
CGContextSetStrokeColorWithColor(context, transparentBlueColor);
// Draw a second rectangle to the right of the first one.
CGContextBeginPath(context);
CGContextAddRect(context, CGRectMake(140., 20., 100., 100.));
CGContextDrawPath(context, kCGPathFillStroke);
}
void doRoundedRects(CGContextRef context)
{
CGRect rect = {{10., 10.}, {210., 150.}};
float ovalWidth = 100., ovalHeight = 100.;
CGContextSetLineWidth(context, 2.);
CGContextBeginPath(context);
addRoundedRectToPath(context, rect, ovalWidth, ovalHeight);
CGContextSetRGBStrokeColor(context, 1., 0., 0., 1.);
CGContextDrawPath(context, kCGPathStroke);
}
DRAW_TEST_F(CGContextFlush, FillFlush, WhiteBackgroundTest<>) {
CGContextRef context = GetDrawingContext();
CGRect bounds = GetDrawingBounds();
_CGContextPushBeginDraw(context);
CGContextSetRGBFillColor(context, 1, 0, 0, 1);
CGContextFillRect(context, bounds);
// Flush the red fill rect
CGContextFlush(context);
CGContextSetRGBFillColor(context, 0, 0, 1, 1);
CGContextFillRect(context, CGRectMake(0, 0, 300, 300));
// We should still have red & blue rectangle should not show up.
unsigned char* dataPtr = static_cast<unsigned char*>(CGBitmapContextGetData(context));
ASSERT_NE(dataPtr, nullptr);
// Validate only the red fill rect is executed.
EXPECT_EQ(dataPtr[0], 0x00);
EXPECT_EQ(dataPtr[1], 0x00);
EXPECT_EQ(dataPtr[2], 0xff);
EXPECT_EQ(dataPtr[3], 0xff);
CGContextFlush(context);
// We should now see the blue fill rect
EXPECT_EQ(dataPtr[0], 0xff);
EXPECT_EQ(dataPtr[1], 0x00);
EXPECT_EQ(dataPtr[2], 0x00);
EXPECT_EQ(dataPtr[3], 0xff);
// Add some extra drawings
CGContextClearRect(context, CGRectMake(100, 100, 200, 300));
CGPoint center = _CGRectGetCenter(bounds);
CGMutablePathRef concentricCirclesPath = CGPathCreateMutable();
CGPathAddEllipseInRect(concentricCirclesPath, nullptr, _CGRectCenteredOnPoint({ 50, 50 }, center));
CGPathAddEllipseInRect(concentricCirclesPath, nullptr, _CGRectCenteredOnPoint({ 100, 100 }, center));
CGPathAddEllipseInRect(concentricCirclesPath, nullptr, _CGRectCenteredOnPoint({ 150, 150 }, center));
CGPathAddEllipseInRect(concentricCirclesPath, nullptr, _CGRectCenteredOnPoint({ 200, 200 }, center));
CGContextSetRGBFillColor(context, 1.0, 0.0, 0.0, 0.5);
CGContextSetRGBStrokeColor(context, 1.0, 0.0, 0.0, 1.0);
CGContextAddPath(context, concentricCirclesPath);
CGContextDrawPath(context, kCGPathFillStroke);
CGPathRelease(concentricCirclesPath);
_CGContextPopEndDraw(context);
}
bool GiCanvasIos::rawEndPath(const GiContext* ctx, bool fill)
{
bool usepen = m_draw->setPen(ctx);
bool usebrush = fill && m_draw->setBrush(ctx);
if (usepen || usebrush) {
CGContextDrawPath(m_draw->getContext(), usepen && usebrush ? kCGPathFillStroke
: usepen ? kCGPathStroke : kCGPathFill);
}
return usepen || usebrush;
}
//-----------------------------------------------------------------------------
void CGDrawContext::drawGraphicsPath (CGraphicsPath* _path, PathDrawMode mode, CGraphicsTransform* t)
{
QuartzGraphicsPath* path = dynamic_cast<QuartzGraphicsPath*> (_path);
if (path == 0)
return;
CGContextRef context = beginCGContext (true, getDrawMode ().integralMode ());
if (context)
{
CGPathDrawingMode cgMode;
switch (mode)
{
case kPathFilledEvenOdd:
{
cgMode = kCGPathEOFill;
break;
}
case kPathStroked:
{
cgMode = kCGPathStroke;
applyLineStyle (context);
break;
}
default:
{
cgMode = kCGPathFill;
break;
}
}
if (getDrawMode ().integralMode ())
{
applyLineWidthCTM (context);
path->pixelAlign (this, t);
CGContextAddPath (context, path->getCGPathRef ());
}
else if (t)
{
CGContextSaveGState (context);
CGAffineTransform transform = QuartzGraphicsPath::createCGAffineTransform (*t);
CGContextConcatCTM (context, transform);
CGContextAddPath (context, path->getCGPathRef ());
CGContextRestoreGState (context);
}
else
CGContextAddPath (context, path->getCGPathRef ());
CGContextDrawPath (context, cgMode);
releaseCGContext (context);
}
}
void doColorSpaceFillAndStroke(CGContextRef context)
{
CGColorSpaceRef theColorSpace = getTheCalibratedRGBColorSpace();
float opaqueRed[] = { 0.663, 0.0, 0.031, 1.0 }; // red,green,blue,alpha
float aBlue[] = { 0.482, 0.62, 0.871, 1.0 }; // red,green,blue,alpha
// Set the fill color space to be the generic calibrated RGB color space.
CGContextSetFillColorSpace(context, theColorSpace);
// Set the fill color to opaque red. The number of elements in the
// array passed to this function must be the number of color
// components in the current fill color space plus 1 for alpha.
CGContextSetFillColor(context, opaqueRed);
// Set the stroke color space to be the generic calibrated RGB color space.
CGContextSetStrokeColorSpace(context, theColorSpace);
// Set the stroke color to opaque blue. The number of elements
// in the array passed to this function must be the number of color
// components in the current stroke color space plus 1 for alpha.
CGContextSetStrokeColor(context, aBlue);
CGContextSetLineWidth(context, 8.);
// Rectangle 1.
CGContextBeginPath(context);
CGContextAddRect(context, CGRectMake(20., 20., 100., 100.));
CGContextDrawPath(context, kCGPathFillStroke);
// Continue to use the stroke colorspace already set
// but change the stroke alpha value to a semitransparent blue.
aBlue[3] = 0.5;
CGContextSetStrokeColor(context, aBlue);
// Rectangle 2.
CGContextBeginPath(context);
CGContextAddRect(context, CGRectMake(140., 20., 100., 100.));
CGContextDrawPath(context, kCGPathFillStroke);
// Don't release the color space since this routine
// didn't create it.
}
void doEgg(CGContextRef context)
{
CGPoint p0 = {0., 0.}, p1 = {0., 200.};
CGPoint c1 = {140., 5.}, c2 = {80., 198.};
CGContextTranslateCTM(context, 100., 5.);
CGContextBeginPath(context);
CGContextMoveToPoint(context, p0.x, p0.y);
// Create the BŽzier path segment for the right side of the egg.
CGContextAddCurveToPoint(context, c1.x, c1.y, c2.x, c2.y, p1.x, p1.y);
// Create the BŽzier path segment for the left side of the egg.
CGContextAddCurveToPoint(context, -c2.x, c2.y, -c1.x, c1.y, p0.x, p0.y);
CGContextClosePath(context);
CGContextSetLineWidth(context, 2);
CGContextDrawPath(context, kCGPathStroke);
}
bool GiCanvasIos::rawPath(const GiContext* ctx,
int count, const Point2d* pxs, const UInt8* types)
{
CGContextBeginPath(m_draw->getContext());
for (int i = 0; i < count; i++)
{
switch (types[i] & ~kGiCloseFigure)
{
case kGiMoveTo:
CGContextMoveToPoint(m_draw->getContext(), pxs[i].x, pxs[i].y);
break;
case kGiLineTo:
CGContextAddLineToPoint(m_draw->getContext(), pxs[i].x, pxs[i].y);
break;
case kGiBeziersTo:
if (i + 2 >= count)
return false;
CGContextAddCurveToPoint(m_draw->getContext(),
pxs[i+0].x, pxs[i+0].y,
pxs[i+1].x, pxs[i+1].y,
pxs[i+2].x, pxs[i+2].y);
i += 2;
break;
default:
return false;
}
if (types[i] & kGiCloseFigure)
CGContextClosePath(m_draw->getContext());
}
bool usepen = m_draw->setPen(ctx);
bool usebrush = m_draw->setBrush(ctx);
bool ret = count > 1 && (usepen || usebrush);
if (ret) {
CGContextDrawPath(m_draw->getContext(), usepen && usebrush ? kCGPathFillStroke
: usepen ? kCGPathStroke : kCGPathFill);
}
return ret;
}
bool GiCanvasIos::rawPolygon(const GiContext* ctx, const Point2d* pxs, int count)
{
bool usepen = m_draw->setPen(ctx);
bool usebrush = m_draw->setBrush(ctx);
bool ret = count > 1 && (usepen || usebrush);
if (ret)
{
CGContextMoveToPoint(m_draw->getContext(), pxs[0].x, pxs[0].y);
for (int i = 1; i < count; i++) {
CGContextAddLineToPoint(m_draw->getContext(), pxs[i].x, pxs[i].y);
}
CGContextClosePath(m_draw->getContext());
CGContextDrawPath(m_draw->getContext(), usepen && usebrush ? kCGPathFillStroke
: usepen ? kCGPathStroke : kCGPathFill);
}
return ret;
}
//-----------------------------------------------------------------------------
void CGDrawContext::drawArc (const CRect &rect, const float _startAngle, const float _endAngle, const CDrawStyle drawStyle) // in degree
{
CGContextRef context = beginCGContext (true, currentState.drawMode.integralMode ());
if (context)
{
CGPathDrawingMode m;
switch (drawStyle)
{
case kDrawFilled : m = kCGPathFill; break;
case kDrawFilledAndStroked : m = kCGPathFillStroke; break;
default : m = kCGPathStroke; break;
}
applyLineStyle (context);
CGContextBeginPath (context);
addOvalToPath (context, CPoint (rect.left + rect.width () / 2, rect.top + rect.height () / 2), rect.width () / 2, rect.height () / 2, -_startAngle, -_endAngle);
if (drawStyle == kDrawFilled || kDrawFilledAndStroked)
CGContextAddLineToPoint (context, rect.left + rect.width () / 2, rect.top + rect.height () / 2);
CGContextDrawPath (context, m);
releaseCGContext (context);
}
}
//-----------------------------------------------------------------------------
void CGDrawContext::drawPolygon (const CPoint* pPoints, int32_t numberOfPoints, const CDrawStyle drawStyle)
{
CGContextRef context = beginCGContext (true, currentState.drawMode.integralMode ());
if (context)
{
CGPathDrawingMode m;
switch (drawStyle)
{
case kDrawFilled : m = kCGPathFill; break;
case kDrawFilledAndStroked : m = kCGPathFillStroke; break;
default : m = kCGPathStroke; break;
}
applyLineStyle (context);
CGContextBeginPath (context);
CGContextMoveToPoint (context, pPoints[0].h, pPoints[0].v);
for (int32_t i = 1; i < numberOfPoints; i++)
CGContextAddLineToPoint (context, pPoints[i].h, pPoints[i].v);
CGContextDrawPath (context, m);
releaseCGContext (context);
}
}
//-----------------------------------------------------------------------------
void CGDrawContext::drawPolygon (const PointList& polygonPointList, const CDrawStyle drawStyle)
{
if (polygonPointList.size () == 0)
return;
CGContextRef context = beginCGContext (true, getDrawMode ().integralMode ());
if (context)
{
CGPathDrawingMode m;
switch (drawStyle)
{
case kDrawFilled :
m = kCGPathFill;
break;
case kDrawFilledAndStroked :
m = kCGPathFillStroke;
break;
default :
m = kCGPathStroke;
break;
}
applyLineStyle (context);
CGContextBeginPath (context);
CGPoint p = CGPointFromCPoint(polygonPointList[0]);
if (getDrawMode ().integralMode ())
p = pixelAlligned (p);
CGContextMoveToPoint (context, p.x, p.y);
for (uint32_t i = 1; i < polygonPointList.size (); i++)
{
p = CGPointFromCPoint (polygonPointList[i]);
if (getDrawMode ().integralMode ())
p = pixelAlligned (p);
CGContextAddLineToPoint (context, p.x, p.y);
}
CGContextDrawPath (context, m);
releaseCGContext (context);
}
}
/*****************************************************
*
* Internal_HICustomViewHandler(inHandlerCallRef, inEvent, inUserData)
*
* Purpose: Event handler that implements our HICustomView custom view
*
* Inputs: inHandlerCallRef - reference to the current handler call chain
* inEvent - the event
* inUserData - app-specified data you passed in the call to InstallEventHandler
*
* Returns: OSStatus - error code (0 == no error)
*/
static pascal OSStatus Internal_HICustomViewHandler(EventHandlerCallRef inHandlerCallRef, EventRef inEvent, void * inUserData)
{
OSStatus status = eventNotHandledErr;
HICustomViewData * myData = (HICustomViewData *)inUserData;
switch (GetEventClass(inEvent))
{
case kEventClassHIObject:
switch (GetEventKind(inEvent))
{
case kEventHIObjectConstruct:
{
// allocate some instance data
myData = (HICustomViewData *) calloc(1, sizeof(HICustomViewData));
require_action(myData != NULL, ConstructExit, status = memFullErr);
// get our superclass instance
HIViewRef epView;
status = GetEventParameter(inEvent, kEventParamHIObjectInstance, typeHIObjectRef, NULL, sizeof(epView), NULL, &epView);
require_noerr(status, ConstructExit);
// remember our superclass in our instance data
myData->view = epView;
// store our instance data into the event
status = SetEventParameter(inEvent, kEventParamHIObjectInstance, typeVoidPtr, sizeof(myData), &myData);
require_noerr(status, ConstructExit);
ConstructExit:
break;
}
#pragma mark * kEventHIObjectInitialize
case kEventHIObjectInitialize:
{
// always begin kEventHIObjectInitialize by calling through to the previous handler
status = CallNextEventHandler(inHandlerCallRef, inEvent);
require_noerr(status, InitializeExit);
// if that succeeded, do our own initialization
// in this sample code, there is nothing to do
InitializeExit:
break;
}
case kEventHIObjectDestruct:
{
// freeing our storage
if (myData != NULL) free(myData);
status = noErr;
break;
}
default:
break;
}
break;
case kEventClassControl:
switch (GetEventKind(inEvent))
{
#pragma mark * kEventControlDraw
case kEventControlDraw:
{
CGContextRef context;
status = GetEventParameter(inEvent, kEventParamCGContextRef, typeCGContextRef, NULL, sizeof(context), NULL, &context);
require_noerr(status, ControlDrawExit);
HIRect bounds, viewBounds;
HIViewGetBounds(myData->view, &viewBounds);
// setting our colors according to state: IsControlEnabled, IsControlActive, IsControlHilited
if (!IsControlEnabled(myData->view))
{
CGContextSetRGBFillColor(context, 0.3, 0.3, 0.3, 0.8);
CGContextSetRGBStrokeColor(context, 0.5, 0.5, 0.5, 0.8);
}
else if (!IsControlActive(myData->view))
{
CGContextSetRGBFillColor(context, 0.7, 0.7, 0.7, 0.8);
CGContextSetRGBStrokeColor(context, 0.8, 0.8, 0.8, 0.8);
}
else if (!IsControlHilited(myData->view))
{
CGContextSetRGBFillColor(context, 1, 0, 0, 0.8);
CGContextSetRGBStrokeColor(context, 0, 0, 1, 0.8);
}
else
{
CGContextSetRGBFillColor(context, 0.7, 0, 0, 0.8);
CGContextSetRGBStrokeColor(context, 0, 0, 0.7, 0.8);
}
// using a line thickness of 3
CGContextSetLineWidth(context, 3);
bounds = CGRectInset(viewBounds, 3, 3);
float minDim = (bounds.size.height < bounds.size.width) ? bounds.size.height / 2 : bounds.size.width / 2;
float cx = bounds.origin.x + minDim, cy = bounds.origin.y + minDim;
UInt32 i, n = GetControl32BitValue(myData->view);
// having some fun with geometric shapes based on the value of the custom view
CGContextBeginPath(context);
switch (n)
{
case 0: CGContextAddArc(context, cx, cy, minDim, 0, 2 * pi, true); break;
case 1: CGContextAddEllipseInRect(context, CGRectInset(bounds, bounds.size.width * 0.4, 0)); break;
default:
{
float deltangle = pi / n, angle = 0, r = minDim / 2;
CGContextMoveToPoint(context, cx + minDim, cy);
for (i = 0; i < n; i++)
{
angle += deltangle;
CGContextAddLineToPoint(context, cx + r * cos(angle), cy + r * sin(angle));
angle += deltangle;
CGContextAddLineToPoint(context, cx + minDim * cos(angle), cy + minDim * sin(angle));
}
CGContextAddLineToPoint(context, cx + minDim, cy);
}
}
CGContextClosePath(context);
CGContextDrawPath(context, kCGPathFillStroke);
status = noErr;
ControlDrawExit:
break;
}
#pragma mark * kEventControl___Changed
case kEventControlValueFieldChanged:
case kEventControlHiliteChanged:
{
// just asking for a refresh
HIViewSetNeedsDisplay(myData->view, true);
break;
}
default:
break;
}
break;
default:
break;
}
return status;
} // Internal_HICustomViewHandler
void UIFrameBufferQuartz2D::paintEvent(QPaintEvent *aEvent)
{
/* If the machine is NOT in 'running' state,
* the link between framebuffer and video memory
* is broken, we should go fallback now... */
if (m_fUsesGuestVRAM &&
!m_pMachineView->uisession()->isRunning() &&
!m_pMachineView->uisession()->isPaused() &&
/* Online snapshotting: */
m_pMachineView->uisession()->machineState() != KMachineState_Saving)
{
/* Simulate fallback through fake resize-event: */
UIResizeEvent event(FramebufferPixelFormat_Opaque, NULL, 0, 0, 640, 480);
resizeEvent(&event);
}
/* For debugging /Developer/Applications/Performance Tools/Quartz
* Debug.app is a nice tool to see which parts of the screen are
* updated.*/
Assert(m_image);
QWidget* viewport = m_pMachineView->viewport();
Assert(VALID_PTR(viewport));
/* Get the dimensions of the viewport */
CGRect viewRect = ::darwinToCGRect(viewport->geometry());
/* Get the context of this window from Qt */
CGContextRef ctx = ::darwinToCGContextRef(viewport);
Assert(VALID_PTR(ctx));
/* Flip the context */
CGContextTranslateCTM(ctx, 0, viewRect.size.height);
CGContextScaleCTM(ctx, 1.0, -1.0);
/* We handle the seamless mode as a special case. */
if (m_pMachineLogic->visualStateType() == UIVisualStateType_Seamless)
{
/* Clear the background (make the rect fully transparent): */
CGContextClearRect(ctx, viewRect);
#ifdef OVERLAY_CLIPRECTS
/* Enable overlay above the seamless mask: */
CGContextSetRGBFillColor(ctx, 0.0, 0.0, 5.0, 0.7);
CGContextFillRect(ctx, viewRect);
#endif /* OVERLAY_CLIPRECTS */
#ifdef COMP_WITH_SHADOW
/* Enable shadows: */
CGContextSetShadow(ctx, CGSizeMake (10, -10), 10);
CGContextBeginTransparencyLayer(ctx, NULL);
#endif /* COMP_WITH_SHADOW */
/* Determine current visible region: */
RegionRects *pRgnRcts = ASMAtomicXchgPtrT(&mRegion, NULL, RegionRects*);
if (pRgnRcts)
{
/* If visible region is determined: */
if (pRgnRcts->used > 0)
{
/* Add the clipping rects all at once (they are defined in SetVisibleRegion): */
CGContextBeginPath(ctx);
CGContextAddRects(ctx, pRgnRcts->rcts, pRgnRcts->used);
/* Now convert the path to a clipping path: */
CGContextClip(ctx);
}
/* Put back the visible region, free if we cannot (2+ SetVisibleRegion calls): */
if ( !ASMAtomicCmpXchgPtr(&mRegion, pRgnRcts, NULL)
&& !ASMAtomicCmpXchgPtr(&mRegionUnused, pRgnRcts, NULL))
{
RTMemFree(pRgnRcts);
pRgnRcts = NULL;
}
}
/* If visible region is still determined: */
if (pRgnRcts && pRgnRcts->used > 0)
{
/* Create a subimage of the current view.
* Currently this subimage is the whole screen. */
CGImageRef subImage;
if (!m_pMachineView->pauseShot().isNull())
{
CGImageRef pauseImg = ::darwinToCGImageRef(&m_pMachineView->pauseShot());
subImage = CGImageCreateWithImageInRect(pauseImg, CGRectMake(m_pMachineView->contentsX(), m_pMachineView->contentsY(), m_pMachineView->visibleWidth(), m_pMachineView->visibleHeight()));
CGImageRelease(pauseImg);
}
else
{
#ifdef RT_ARCH_AMD64
/* Not sure who to blame, but it seems on 64bit there goes
* something terrible wrong (on a second monitor) when directly
* using CGImageCreateWithImageInRect without making a copy. We saw
* something like this already with the scale mode. */
CGImageRef tmpImage = CGImageCreateWithImageInRect(m_image, CGRectMake(m_pMachineView->contentsX(), m_pMachineView->contentsY(), m_pMachineView->visibleWidth(), m_pMachineView->visibleHeight()));
subImage = CGImageCreateCopy(tmpImage);
CGImageRelease(tmpImage);
#else /* RT_ARCH_AMD64 */
subImage = CGImageCreateWithImageInRect(m_image, CGRectMake(m_pMachineView->contentsX(), m_pMachineView->contentsY(), m_pMachineView->visibleWidth(), m_pMachineView->visibleHeight()));
#endif /* !RT_ARCH_AMD64 */
}
Assert(VALID_PTR(subImage));
/* In any case clip the drawing to the view window: */
CGContextClipToRect(ctx, viewRect);
/* At this point draw the real vm image: */
CGContextDrawImage(ctx, ::darwinFlipCGRect(viewRect, viewRect.size.height), subImage);
/* Release the subimage: */
CGImageRelease(subImage);
}
#ifdef COMP_WITH_SHADOW
CGContextEndTransparencyLayer(ctx);
#endif /* COMP_WITH_SHADOW */
#ifdef OVERLAY_CLIPRECTS
if (pRgnRcts && pRgnRcts->used > 0)
{
CGContextBeginPath(ctx);
CGContextAddRects(ctx, pRgnRcts->rcts, pRgnRcts->used);
CGContextSetRGBStrokeColor(ctx, 1.0, 0.0, 0.0, 0.7);
CGContextDrawPath(ctx, kCGPathStroke);
}
CGContextSetRGBStrokeColor(ctx, 0.0, 1.0, 0.0, 0.7);
CGContextStrokeRect(ctx, viewRect);
#endif /* OVERLAY_CLIPRECTS */
}
void drawPlugin(NPP instance, NPCocoaEvent* event)
{
if (!browserUAString)
return;
PluginInstance* currentInstance = (PluginInstance*)(instance->pdata);
CGContextRef cgContext = event->data.draw.context;
if (!cgContext)
return;
float windowWidth = currentInstance->window.width;
float windowHeight = currentInstance->window.height;
// save the cgcontext gstate
CGContextSaveGState(cgContext);
// we get a flipped context
CGContextTranslateCTM(cgContext, 0.0, windowHeight);
CGContextScaleCTM(cgContext, 1.0, -1.0);
// draw a gray background for the plugin
CGContextAddRect(cgContext, CGRectMake(0, 0, windowWidth, windowHeight));
CGContextSetGrayFillColor(cgContext, 0.5, 1.0);
CGContextDrawPath(cgContext, kCGPathFill);
// draw a black frame around the plugin
CGContextAddRect(cgContext, CGRectMake(0, 0, windowWidth, windowHeight));
CGContextSetGrayStrokeColor(cgContext, 0.0, 1.0);
CGContextSetLineWidth(cgContext, 6.0);
CGContextStrokePath(cgContext);
// draw the UA string using ATSUI
CGContextSetGrayFillColor(cgContext, 0.0, 1.0);
ATSUStyle atsuStyle;
ATSUCreateStyle(&atsuStyle);
CFIndex stringLength = CFStringGetLength(browserUAString);
UniChar* unicharBuffer = (UniChar*)malloc((stringLength + 1) * sizeof(UniChar));
CFStringGetCharacters(browserUAString, CFRangeMake(0, stringLength), unicharBuffer);
UniCharCount runLengths = kATSUToTextEnd;
ATSUTextLayout atsuLayout;
ATSUCreateTextLayoutWithTextPtr(unicharBuffer,
kATSUFromTextBeginning,
kATSUToTextEnd,
stringLength,
1,
&runLengths,
&atsuStyle,
&atsuLayout);
ATSUAttributeTag contextTag = kATSUCGContextTag;
ByteCount byteSize = sizeof(CGContextRef);
ATSUAttributeValuePtr contextATSUPtr = &cgContext;
ATSUSetLayoutControls(atsuLayout, 1, &contextTag, &byteSize, &contextATSUPtr);
ATSUTextMeasurement lineAscent, lineDescent;
ATSUGetLineControl(atsuLayout,
kATSUFromTextBeginning,
kATSULineAscentTag,
sizeof(ATSUTextMeasurement),
&lineAscent,
&byteSize);
ATSUGetLineControl(atsuLayout,
kATSUFromTextBeginning,
kATSULineDescentTag,
sizeof(ATSUTextMeasurement),
&lineDescent,
&byteSize);
float lineHeight = FixedToFloat(lineAscent) + FixedToFloat(lineDescent);
ItemCount softBreakCount;
ATSUBatchBreakLines(atsuLayout,
kATSUFromTextBeginning,
stringLength,
FloatToFixed(windowWidth - 10.0),
&softBreakCount);
ATSUGetSoftLineBreaks(atsuLayout,
kATSUFromTextBeginning,
kATSUToTextEnd,
0, NULL, &softBreakCount);
UniCharArrayOffset* softBreaks = (UniCharArrayOffset*)malloc(softBreakCount * sizeof(UniCharArrayOffset));
ATSUGetSoftLineBreaks(atsuLayout,
kATSUFromTextBeginning,
kATSUToTextEnd,
softBreakCount, softBreaks, &softBreakCount);
UniCharArrayOffset currentDrawOffset = kATSUFromTextBeginning;
int i = 0;
while (i < softBreakCount) {
ATSUDrawText(atsuLayout, currentDrawOffset, softBreaks[i], FloatToFixed(5.0), FloatToFixed(windowHeight - 5.0 - (lineHeight * (i + 1.0))));
currentDrawOffset = softBreaks[i];
i++;
}
ATSUDrawText(atsuLayout, currentDrawOffset, kATSUToTextEnd, FloatToFixed(5.0), FloatToFixed(windowHeight - 5.0 - (lineHeight * (i + 1.0))));
free(unicharBuffer);
free(softBreaks);
// restore the cgcontext gstate
CGContextRestoreGState(cgContext);
}
void RSTileRendererDrawTile(
CGContextRef c,
CGRect bounds,
uint8_t *data,
uint32_t dataSize,
uint32_t zoom,
RSTileRendererGraphicsSpace graphicsSpace)
{
CGFloat width = (CGFloat)bounds.size.width;
CGFloat height = (CGFloat)bounds.size.height;
const CGFloat backgroundColor[4] = {0.5, 0.5, 0.5, 1};
const CGFloat fillColors[8][4] = {
{0, 0, 0, 0},
{(210 / 255.0), (173 / 255.0), (104 / 255.0), 1}, // Building = 1,
{(66 / 255.0), (66 / 255.0), (255 / 255.0), 1}, // HighwayMotorway = 2,
{(255 / 255.0), (66 / 255.0), (66 / 255.0), 1}, // HighwayPrimary = 3,
{(255 / 255.0), (155 / 255.0), (66 / 255.0), 1}, // HighwaySecondary = 4,
{(255 / 255.0), (255 / 255.0), (66 / 255.0), 1}, // HighwayTertiary = 5,
{(255 / 255.0), (255 / 255.0), (255 / 255.0), 1}, // HighwayResidential = 6,
{(255 / 255.0), (255 / 255.0), (255 / 255.0), 1} // HighwayService = 7,
};
const CGFloat strokeColors[8][4] = {
{0, 0, 0, 0},
{(140 / 255.0), (93 / 255.0), (33 / 255.0), 1}, // Building = 1,
{(44 / 255.0), (44 / 255.0), (200 / 255.0), 1}, // HighwayMotorway = 2,
{(200 / 255.0), (44 / 255.0), (44 / 255.0), 1}, // HighwayPrimary = 3,
{(200 / 255.0), (100 / 255.0), (44 / 255.0), 1}, // HighwaySecondary = 4,
{(200 / 255.0), (200 / 255.0), (44 / 255.0), 1}, // HighwayTertiary = 5,
{(200 / 255.0), (200 / 255.0), (200 / 255.0), 1}, // HighwayResidential = 6,
{(200 / 255.0), (200 / 255.0), (200 / 255.0), 1} // HighwayService = 7,
};
CGContextSetFillColor(c, backgroundColor);
CGContextFillRect(c, bounds);
uint32_t pos = 0;
uint32_t resolutionBits = 8;
double intToFloat = width / (1 << resolutionBits);
int32_t ix, iy;
double x, y, firstX, firstY;
while (pos < dataSize) {
ix = 0;
iy = 0;
RSTiledataThingType thingType = (RSTiledataThingType)RSVarintRead(data, &pos);
uint32_t numNodes = RSVarintRead(data, &pos);
for (uint32_t i = 0; i < numNodes; i++) {
ix += RSVarintSignedRead(data, &pos);
iy += RSVarintSignedRead(data, &pos);
x = intToFloat * ix;
y = intToFloat * iy;
if (graphicsSpace == RSTileRendererGraphicsSpaceQuadrantOne) {
y = height - y;
}
if (i == 0) {
firstX = x;
firstY = y;
CGContextMoveToPoint(c, x, y);
} else {
CGContextAddLineToPoint(c, x, y);
}
}
CGContextSetFillColor(c, fillColors[thingType]);
CGContextSetStrokeColor(c, strokeColors[thingType]);
switch (thingType) {
case RSTiledataBuilding:
CGContextSetLineWidth(c, 4);
break;
case RSTiledataHighwayMotorway:
case RSTiledataHighwayPrimary:
case RSTiledataHighwaySecondary:
case RSTiledataHighwayTertiary:
case RSTiledataHighwayResidential:
case RSTiledataHighwayService:
CGContextSetLineWidth(c, 12);
break;
}
if (RSTiledataThingTypeIsClosedWay(thingType)) {
CGContextAddLineToPoint(c, firstX, firstY);
CGContextDrawPath(c, kCGPathFillStroke);
} else {
CGContextStrokePath(c);
}
}
}
