1 2from PyObjCTools.TestSupport import * 3from AppKit import * 4import Quartz.CoreGraphics 5 6class TestNSGraphicsContext (TestCase): 7 def testConstants(self): 8 self.failUnlessIsInstance(NSGraphicsContextDestinationAttributeName, unicode) 9 self.failUnlessIsInstance(NSGraphicsContextRepresentationFormatAttributeName, unicode) 10 self.failUnlessIsInstance(NSGraphicsContextPSFormat, unicode) 11 self.failUnlessIsInstance(NSGraphicsContextPDFFormat, unicode) 12 13 self.failUnlessEqual(NSImageInterpolationDefault, 0) 14 self.failUnlessEqual(NSImageInterpolationNone, 1) 15 self.failUnlessEqual(NSImageInterpolationLow, 2) 16 self.failUnlessEqual(NSImageInterpolationHigh, 3) 17 18 self.failUnlessEqual(NSColorRenderingIntentDefault, 0) 19 self.failUnlessEqual(NSColorRenderingIntentAbsoluteColorimetric, 1) 20 self.failUnlessEqual(NSColorRenderingIntentRelativeColorimetric, 2) 21 self.failUnlessEqual(NSColorRenderingIntentPerceptual, 3) 22 self.failUnlessEqual(NSColorRenderingIntentSaturation, 4) 23 24 25 def testMethods(self): 26 self.failUnlessArgIsBOOL(NSGraphicsContext.graphicsContextWithGraphicsPort_flipped_, 1) 27 self.failUnlessResultIsBOOL(NSGraphicsContext.currentContextDrawingToScreen) 28 self.failUnlessResultIsBOOL(NSGraphicsContext.isDrawingToScreen) 29 self.failUnlessResultIsBOOL(NSGraphicsContext.isFlipped) 30 self.failUnlessResultIsBOOL(NSGraphicsContext.shouldAntialias) 31 self.failUnlessArgIsBOOL(NSGraphicsContext.setShouldAntialias_, 0) 32 33 img = NSBitmapImageRep.alloc().initWithBitmapDataPlanes_pixelsWide_pixelsHigh_bitsPerSample_samplesPerPixel_hasAlpha_isPlanar_colorSpaceName_bitmapFormat_bytesPerRow_bitsPerPixel_( 34 None, 255, 255, 8, 4, True, False, NSCalibratedRGBColorSpace, 0, 0, 0) 35 context = NSGraphicsContext.graphicsContextWithBitmapImageRep_(img) 36 self.failUnlessIsInstance(context, NSGraphicsContext) 37 port = context.graphicsPort() 38 self.failUnlessIsInstance(port, Quartz.CoreGraphics.CGContextRef) 39 40 self.failUnlessArgHasType(NSGraphicsContext.graphicsContextWithGraphicsPort_flipped_, 0, '^{CGContext=}') 41 self.failUnlessResultHasType(NSGraphicsContext.graphicsPort, '^{CGContext=}') 42 43 44if __name__ == "__main__": 45 main() 46