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NPAPI:CoreGraphicsDrawing: Difference between revisions
→Bridging QuickDraw and CoreGraphics
m (Mac:64 bit npapi moved to Mac:64-bit NPAPI) |
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{ | { | ||
// window->window is an NPPort* since the browser is using QuickDraw | // window->window is an NPPort* since the browser is using QuickDraw | ||
NP_Port *npPort = ((NP_Port *)window->window); | NP_Port *npPort = ((NP_Port *)window->window);<br> | ||
// Get the CGContext for the port | // Get the CGContext for the port | ||
CGContextRef cgContext; | CGContextRef cgContext; | ||
QDBeginCGContext(npPort->port, &cgContext); | QDBeginCGContext(npPort->port, &cgContext); | ||
CGContextSaveGState(cgContext); | CGContextSaveGState(cgContext);<br> | ||
// Set the CG clip path to the port's clip region -- QDBeginCGContext() | // Set the CG clip path to the port's clip region -- QDBeginCGContext() | ||
// does not automatically respect the QuickDraw port's clip region. | // does not automatically respect the QuickDraw port's clip region. | ||
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GetPortBounds(npPort->port, &portBounds); | GetPortBounds(npPort->port, &portBounds); | ||
ClipCGContextToRegion(cgContext, &portBounds, clipRegion); | ClipCGContextToRegion(cgContext, &portBounds, clipRegion); | ||
DisposeRgn(clipRegion); | DisposeRgn(clipRegion);<br> | ||
// Flip the CG context vertically -- its origin is at the lower left, | // Flip the CG context vertically -- its origin is at the lower left, | ||
// but QuickDraw's origin is at the upper left. | // but QuickDraw's origin is at the upper left. | ||
CGContextTranslateCTM(cgContext, 0.0, portBounds.bottom - portBounds.top); | CGContextTranslateCTM(cgContext, 0.0, portBounds.bottom - portBounds.top); | ||
CGContextScaleCTM(cgContext, 1.0, -1.0); | CGContextScaleCTM(cgContext, 1.0, -1.0);<br> | ||
return cgContext; | return cgContext; | ||
}<br> | }<br> | ||
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{ | { | ||
// Restore state (it was saved in beginQDPluginUpdate()) | // Restore state (it was saved in beginQDPluginUpdate()) | ||
CGContextRestoreGState(cgContext); | CGContextRestoreGState(cgContext);<br> | ||
// If we had to prepare the CGContext for use in a QuickDraw-only browser, | // If we had to prepare the CGContext for use in a QuickDraw-only browser, | ||
// restore its state and notify QD that the CG drawing sequence is over. | // restore its state and notify QD that the CG drawing sequence is over. | ||