void GraphicsContext::fillRoundedRect(const RoundedRect& rect, const Color& color, ColorSpace colorSpace)
{
if (rect.isRounded())
fillRoundedRect(rect.rect(), rect.radii().topLeft(), rect.radii().topRight(), rect.radii().bottomLeft(), rect.radii().bottomRight(), color, colorSpace);
else
fillRect(rect.rect(), color, colorSpace);
}
static void drawAndFillRoundedRect(double x, double y, double width,
double height, double r, string color) {
gwp->setColor(color);
fillRoundedRect(x, y,width, height, r);
gwp->setColor("Black");
drawRoundedRect(x, y, width, height, r);
}
void GraphicsContext::fillRoundedRect(const RoundedRect& rect, const Color& color, ColorSpace colorSpace, BlendMode blendMode)
{
if (rect.isRounded()) {
setCompositeOperation(compositeOperation(), blendMode);
fillRoundedRect(rect.rect(), rect.radii().topLeft(), rect.radii().topRight(), rect.radii().bottomLeft(), rect.radii().bottomRight(), color, colorSpace);
setCompositeOperation(compositeOperation());
} else
fillRect(rect.rect(), color, colorSpace, compositeOperation(), blendMode);
}
/*
OvalTeenDrawEventHandler : Handles the draw events for the "Ovalteen" window.
Parameter DescriptionsinHandler : A reference to the current handler call chain. This is passed to your handler so that you can call CallNextEventHandler if you need to.
inEvent : The event that triggered this call.
inUserData : The application-specific data you passed in to InstallEventHandler.
*/
OSStatus OvalTeenDrawEventHandler (EventHandlerCallRef inHandler, EventRef inEvent, void* inUserData) {
OSStatus status = eventNotHandledErr;
CGContextRef context;
CGRect bounds;
double a, b;
int count, k;
//CallNextEventHandler in order to make sure the default handling of the inEvent
// (drawing the white background) happens
status = CallNextEventHandler( inHandler, inEvent );
require_noerr(status, CantCallNextEventHandler);
// Get the CGContextRef
status = GetEventParameter (inEvent,
kEventParamCGContextRef,
typeCGContextRef,
NULL,
sizeof (CGContextRef),
NULL,
&context);
require_noerr(status, CantGetEventParameter);
// Get the bounding rectangle
status = HIViewGetBounds ((HIViewRef) inUserData, &bounds);
require_noerr(status, CantGetViewBounds);
// Calculate the dimensions for an oval inside the bounding box
a = 0.9 * bounds.size.width/4;
b = 0.3 * bounds.size.height/2;
count = 5;
// Set the fill color to a partially transparent blue
CGContextSetRGBFillColor(context, 0, 0, 1, 0.5);
// Set the stroke color to an opaque black
CGContextSetRGBStrokeColor(context, 0, 0, 0, 1);
// Set the line width to be used, in user space units.
CGContextSetLineWidth(context, 3);
// Save the conexts state because we are going to be moving the origin and
// rotating context for drawing, but we would like to restore the current
// state before drawing the next image.
CGContextSaveGState(context);
// Move the origin to the middle of the first image (left side) to draw.
CGContextTranslateCTM(context, bounds.size.width/4, bounds.size.height/2);
// Draw "count" ovals, rotating the context around the newly translated origin
// 1/count radians after drawing each oval
for (k = 0; k < count; k++)
{
// Paint the oval with the fill color
paintOval(context, CGRectMake(-a, -b, 2 * a, 2 * b));
// Frame the oval with the stroke color
frameOval(context, CGRectMake(-a, -b, 2 * a, 2 * b));
// Rotate the context around the center of the image
CGContextRotateCTM(context, pi / count);
}
// Restore the saved state to a known state for dawing the next image
CGContextRestoreGState(context);
// Calculate a bounding box for the rounded rect
a = 0.9 * bounds.size.width/4;
b = 0.3 * bounds.size.height/2;
count = 5;
// Set the fill color to a partially transparent red
CGContextSetRGBFillColor(context, 1, 0, 0, 0.5);
// Set the stroke color to an opaque black
CGContextSetRGBStrokeColor(context, 0, 0, 0, 1);
// Set the line width to be used, in user space units.
CGContextSetLineWidth(context, 3);
// Save the conexts state because we are going to be moving the origin and
// rotating context for drawing, but we would like to restore the current
// state before drawing the next image.
CGContextSaveGState(context);
// Move the origin to the middle of the second image (right side) to draw.
CGContextTranslateCTM(context, bounds.size.width/4 + bounds.size.width/2, bounds.size.height/2);
for (k = 0; k < count; k++)
{
// Fill then stroke the rounding rect, otherwise the fill would cover the stroke
fillRoundedRect(context, CGRectMake(-a, -b, 2 * a, 2 * b), 20, 20);
strokeRoundedRect(context, CGRectMake(-a, -b, 2 * a, 2 * b), 20, 20);
// Rotate the context for the next rounded rect
CGContextRotateCTM(context, pi / count);
}
CGContextRestoreGState(context);
CantCallNextEventHandler:
CantGetEventParameter:
CantGetViewBounds:
return status;
}