def tilePDFDocument(context, offscreenType):
url = GetURL(kCatPDF)
if url is not None:
if offscreenType == noOffScreen:
BitmapContext.TilePDFNoBuffer(context, url)
elif offscreenType == bitmapOffScreen:
BitmapContext.TilePDFWithOffscreenBitmap(context, url)
else:
BitmapContext.TilePDFWithCGLayer(context, url)
def exportAsTIFF_(self, sender):
url = getURLToExport("tif")
if url is not None:
exportInfo = Utilities.ExportInfo()
self.setupExportInfo_(exportInfo)
BitmapContext.MakeTIFFDocument(url, exportInfo)
def exportAsJPEG_(self, sender):
url = getURLToExport("jpg")
if url is not None:
exportInfo = Utilities.ExportInfo()
self.setupExportInfo_(exportInfo)
BitmapContext.MakeJPEGDocument(url, exportInfo)
def DispatchDrawing(context, drawingType):
""" Drawing dispatcher """
if drawingType == UIHandling.kHICommandSimpleRect:
DrawingBasics.doSimpleRect(context)
elif drawingType == UIHandling.kHICommandStrokedRect:
DrawingBasics.doStrokedRect(context)
elif drawingType == UIHandling.kHICommandStrokedAndFilledRect:
DrawingBasics.doStrokedAndFilledRect(context)
elif drawingType == UIHandling.kHICommandPathRects:
DrawingBasics.doPathRects(context)
elif drawingType == UIHandling.kHICommandAlphaRects:
DrawingBasics.doAlphaRects(context)
elif drawingType == UIHandling.kHICommandDashed:
DrawingBasics.doDashedLines(context)
elif drawingType == UIHandling.kHICommandSimpleClip:
DrawingBasics.doClippedCircle(context)
elif drawingType == UIHandling.kHICommandPDFDoc:
callPDFDrawProc(context, DrawingBasics.doPDFDocument, kCatPDF)
elif drawingType == UIHandling.kHICommandRotatedEllipses:
CoordinateSystem.doRotatedEllipses(context)
elif drawingType == UIHandling.kHICommandDrawSkewCoordinates:
CoordinateSystem.drawSkewedCoordinateSystem(context)
elif drawingType == UIHandling.kHICommandBezierEgg:
PathDrawing.doEgg(context)
elif drawingType == UIHandling.kHICommandRoundedRects:
PathDrawing.doRoundedRects(context)
elif drawingType == UIHandling.kHICommandStrokeWithCTM:
PathDrawing.doStrokeWithCTM(context)
elif drawingType == UIHandling.kHICommandRotatedEllipsesWithCGPath:
PathDrawing.doRotatedEllipsesWithCGPath(context)
elif drawingType == UIHandling.kHICommandPixelAligned:
PathDrawing.doPixelAlignedFillAndStroke(context)
elif drawingType == UIHandling.kHICommandDeviceFillAndStrokeColor:
ColorAndGState.doColorSpaceFillAndStroke(context)
elif drawingType == UIHandling.kHICommandCLUTDrawGraphics:
ColorAndGState.doIndexedColorDrawGraphics(context)
elif drawingType == UIHandling.kHICommandDrawWithGlobalAlpha:
ColorAndGState.drawWithGlobalAlpha(context)
elif drawingType == UIHandling.kHICommandDrawWithBlendMode:
callPDFDrawProc(context, ColorAndGState.drawWithColorBlendMode, kPDFForBlendMode)
elif drawingType == UIHandling.kHICommandDrawWithColorRefs:
ColorAndGState.drawWithColorRefs(context)
elif drawingType == UIHandling.kHICommandFunctionsHaveOwnGSave:
ColorAndGState.doClippedEllipse(context)
elif drawingType == UIHandling.kHICommandDrawJPEGImage:
doDrawJPEGFile(context)
elif drawingType == UIHandling.kHICommandColorImageFromFile:
doRawImageFileWithURL(context)
elif drawingType == UIHandling.kHICommandColorImageFromData:
Images.doColorRampImage(context)
elif drawingType == UIHandling.kHICommandColorImageFromCallbacks:
doRawImageFileWithCallbacks(context)
elif drawingType == UIHandling.kHICommandGrayRamp:
Images.doGrayRamp(context)
elif drawingType == UIHandling.kHICommandDrawWithCGImageSource:
doDrawImageWithCGImageSource(context)
elif drawingType == UIHandling.kHICommandDrawWithCGImageSourceIncremental:
doIncrementalImage(context)
elif drawingType == UIHandling.kHICommandDrawWithQuickTime:
doQTImage(context)
elif drawingType == UIHandling.kHICommandSubstituteImageProfile:
doJPEGDocumentWithMultipleProfiles(context)
elif drawingType == UIHandling.kHICommandDoSubImage:
Images.doColorRampSubImage(context)
elif drawingType == UIHandling.kHICommandExportWithQuickTime:
Images.exportColorRampImageWithQT(context)
elif drawingType == UIHandling.kHICommandMaskTurkeyImage:
ImageMasking.doOneBitMaskImages(context)
elif drawingType == UIHandling.kHICommandImageMaskedWithMask:
doMaskImageWithMask(context)
elif drawingType == UIHandling.kHICommandImageMaskedWithGrayImage:
doMaskImageWithGrayImage(context)
elif drawingType == UIHandling.kHICommandMaskImageWithColor:
doImageMaskedWithColor(context)
elif drawingType == UIHandling.kHICommandClipToMask:
doClipMask(context)
elif drawingType == UIHandling.kHICommandExportWithCGImageDestination:
exportImageMaskedWithImage(context)
elif drawingType == UIHandling.kHICommandSimpleCGLayer:
BitmapContext.doSimpleCGLayer(context)
elif drawingType == UIHandling.kHICommandAlphaOnlyContext:
BitmapContext.doAlphaOnlyContext(context)
elif drawingType == UIHandling.kHICommandDrawNoOffScreenImage:
tilePDFDocument(context, noOffScreen)
elif drawingType == UIHandling.kHICommandDrawOffScreenImage:
tilePDFDocument(context, bitmapOffScreen)
elif drawingType == UIHandling.kHICommandDrawWithLayer:
tilePDFDocument(context, layerOffScreen)
elif drawingType == UIHandling.kHICommandQuartzRomanText:
QuartzTextDrawing.drawQuartzRomanText(context)
elif drawingType == UIHandling.kHICommandQuartzTextModes:
QuartzTextDrawing.drawQuartzTextWithTextModes(context)
elif drawingType == UIHandling.kHICommandQuartzTextMatrix:
QuartzTextDrawing.drawQuartzTextWithTextMatrix(context)
elif drawingType == UIHandling.kHICommandSimplePattern:
PatternDrawing.doRedBlackCheckerboard(context)
elif drawingType == UIHandling.kHICommandPatternPhase:
PatternDrawing.doPatternPhase(context)
elif drawingType == UIHandling.kHICommandPatternMatrix:
PatternDrawing.doPatternMatrix(context)
elif drawingType == UIHandling.kHICommandUncoloredPattern:
PatternDrawing.doStencilPattern(context)
elif drawingType == UIHandling.kHICommandDrawWithPDFPattern:
callPDFDrawProc(context, PatternDrawing.drawWithPDFPattern, kCatPDF)
elif drawingType == UIHandling.kHICommandSimpleShadow:
ShadowsAndTransparencyLayers.drawSimpleShadow(context)
elif drawingType == UIHandling.kHICommandShadowScaling:
ShadowsAndTransparencyLayers.doShadowScaling(context)
elif drawingType == UIHandling.kHICommandShadowProblems:
ShadowsAndTransparencyLayers.showComplexShadowIssues(context)
elif drawingType == UIHandling.kHICommandComplexShadow:
ShadowsAndTransparencyLayers.showComplexShadow(context)
elif drawingType == UIHandling.kHICommandMultipleShapeComposite:
ShadowsAndTransparencyLayers.doLayerCompositing(context)
elif drawingType == UIHandling.kHICommandFillAndStrokeWithShadow:
ShadowsAndTransparencyLayers.drawFillAndStrokeWithShadow(context)
elif drawingType == UIHandling.kHICommandPDFDocumentShadow:
callPDFDrawProc(context, ShadowsAndTransparencyLayers.shadowPDFDocument, kCatPDF)
elif drawingType == UIHandling.kHICommandSimpleAxialShading:
Shadings.doSimpleAxialShading(context)
elif drawingType == UIHandling.kHICommandExampleAxialShadings:
Shadings.doExampleAxialShading(context)
elif drawingType == UIHandling.kHICommandSimpleRadialShading:
Shadings.doSimpleRadialShading(context)
elif drawingType == UIHandling.kHICommandExampleRadialShadings:
Shadings.doExampleRadialShadings(context)
elif drawingType == UIHandling.kHICommandEllipseShading:
Shadings.doEllipseShading(context)
elif drawingType == UIHandling.kHICommandDoCompatibleEPS:
doCompatibleEPSDrawing(context)
def createEPSPreviewImage(url):
# The CGImage used as the preview needs to have the
# same width and height as the EPS data it will
# be associated with. This sample code doesn't attempt
# to use any preview image associated with the EPS
# data but instead simply draws a box of an appropriate
# size. Your code would most likely create an image
# that reflects a PICT or TIFF preview present in the
# EPS data.
result, path = Cocoa.CFURLGetFileSystemRepresentation(url, True, None, 1024)
if not result:
print("Couldn't get the path for EPS file!")
return None
path = path.rstrip(b"\0")
epsRect = getEPSBBox(path)
# Check whether the EPS bounding box is empty.
if epsRect == Quartz.CGRectZero:
print("Couldn't find BoundingBox comment!")
return None
wantDisplayColorSpace = False
needsTransparentBitmap = True
# Create a bitmap context to draw to in order to
# create the preview image. Use the routine
# createRGBBitmapContext from the earlier chapter.
bitmapContext = BitmapContext.createRGBBitmapContext(
epsRect.size.width,
epsRect.size.height,
wantDisplayColorSpace,
needsTransparentBitmap,
)
if bitmapContext is None:
print("Couldn't create bitmap context")
return None
epsRect.origin.x = epsRect.origin.y = 0
# Draw the contents of the preview. The preview consists
# of two lines and a stroke around the bounding box. One
# of the two lines is drawn from the lower-left corner to
# the upper-right corner of the bounding box and the other
# line is from the lower-right corner to the upper-left
# corner of the bounding box.
Quartz.CGContextBeginPath(bitmapContext)
Quartz.CGContextMoveToPoint(bitmapContext, 0, 0)
Quartz.CGContextAddLineToPoint(
bitmapContext, epsRect.size.width, epsRect.size.height
)
Quartz.CGContextMoveToPoint(bitmapContext, epsRect.size.width, 0)
Quartz.CGContextAddLineToPoint(bitmapContext, 0, epsRect.size.height)
Quartz.CGContextStrokePath(bitmapContext)
# Stroke the bounding rectangle, inset so that the stroke is
# completely contained in the EPS bounding rect.
Quartz.CGContextStrokeRect(bitmapContext, Quartz.CGRectInset(epsRect, 0.5, 0.5))
# Now create an image from the bitmap raster data. This image
# has a data provider that releases the image raster data when
# the image is released. Use the createImageFromBitmapContext
# from Chapter 12. Calling createImageFromBitmapContext
# gives up ownership of the raster data used by the context.
epsPreviewImage = BitmapContext.createImageFromBitmapContext(bitmapContext)
if epsPreviewImage is None:
print("Couldn't create preview image!")
return None
return epsPreviewImage
def createEPSPreviewImage(url):
# The CGImage used as the preview needs to have the
# same width and height as the EPS data it will
# be associated with. This sample code doesn't attempt
# to use any preview image associated with the EPS
# data but instead simply draws a box of an appropriate
# size. Your code would most likely create an image
# that reflects a PICT or TIFF preview present in the
# EPS data.
result, path = CFURLGetFileSystemRepresentation(url, True, None, 1024)
if not result:
print >>sys.stderr, "Couldn't get the path for EPS file!"
return None
path = path.rstrip('\0')
epsRect = getEPSBBox(path)
# Check whether the EPS bounding box is empty.
if epsRect == CGRectZero:
print >>sys.stderr, "Couldn't find BoundingBox comment!"
return None
wantDisplayColorSpace = False
needsTransparentBitmap = True
# Create a bitmap context to draw to in order to
# create the preview image. Use the routine
# createRGBBitmapContext from the earlier chapter.
bitmapContext = BitmapContext.createRGBBitmapContext(
epsRect.size.width,
epsRect.size.height,
wantDisplayColorSpace,
needsTransparentBitmap)
if bitmapContext is None:
print >>sys.stderr, "Couldn't create bitmap context"
return None
epsRect.origin.x = epsRect.origin.y = 0
# Draw the contents of the preview. The preview consists
# of two lines and a stroke around the bounding box. One
# of the two lines is drawn from the lower-left corner to
# the upper-right corner of the bounding box and the other
# line is from the lower-right corner to the upper-left
# corner of the bounding box.
CGContextBeginPath(bitmapContext)
CGContextMoveToPoint(bitmapContext, 0, 0)
CGContextAddLineToPoint(bitmapContext, epsRect.size.width, epsRect.size.height)
CGContextMoveToPoint(bitmapContext, epsRect.size.width, 0)
CGContextAddLineToPoint(bitmapContext, 0, epsRect.size.height)
CGContextStrokePath(bitmapContext)
# Stroke the bounding rectangle, inset so that the stroke is
# completely contained in the EPS bounding rect.
CGContextStrokeRect(bitmapContext, CGRectInset(epsRect, 0.5, 0.5))
# Now create an image from the bitmap raster data. This image
# has a data provider that releases the image raster data when
# the image is released. Use the createImageFromBitmapContext
# from Chapter 12. Calling createImageFromBitmapContext
# gives up ownership of the raster data used by the context.
epsPreviewImage = BitmapContext.createImageFromBitmapContext(bitmapContext)
if epsPreviewImage is None:
print >>sys.stderr, "Couldn't create preview image!"
return None
return epsPreviewImage
def DispatchDrawing(context, drawingType):
""" Drawing dispatcher """
if drawingType == UIHandling.kHICommandSimpleRect:
DrawingBasics.doSimpleRect(context)
elif drawingType == UIHandling.kHICommandStrokedRect:
DrawingBasics.doStrokedRect(context)
elif drawingType == UIHandling.kHICommandStrokedAndFilledRect:
DrawingBasics.doStrokedAndFilledRect(context)
elif drawingType == UIHandling.kHICommandPathRects:
DrawingBasics.doPathRects(context)
elif drawingType == UIHandling.kHICommandAlphaRects:
DrawingBasics.doAlphaRects(context)
elif drawingType == UIHandling.kHICommandDashed:
DrawingBasics.doDashedLines(context)
elif drawingType == UIHandling.kHICommandSimpleClip:
DrawingBasics.doClippedCircle(context)
elif drawingType == UIHandling.kHICommandPDFDoc:
callPDFDrawProc(context, DrawingBasics.doPDFDocument, kCatPDF)
elif drawingType == UIHandling.kHICommandRotatedEllipses:
CoordinateSystem.doRotatedEllipses(context)
elif drawingType == UIHandling.kHICommandDrawSkewCoordinates:
CoordinateSystem.drawSkewedCoordinateSystem(context)
elif drawingType == UIHandling.kHICommandBezierEgg:
PathDrawing.doEgg(context)
elif drawingType == UIHandling.kHICommandRoundedRects:
PathDrawing.doRoundedRects(context)
elif drawingType == UIHandling.kHICommandStrokeWithCTM:
PathDrawing.doStrokeWithCTM(context)
elif drawingType == UIHandling.kHICommandRotatedEllipsesWithCGPath:
PathDrawing.doRotatedEllipsesWithCGPath(context)
elif drawingType == UIHandling.kHICommandPixelAligned:
PathDrawing.doPixelAlignedFillAndStroke(context)
elif drawingType == UIHandling.kHICommandDeviceFillAndStrokeColor:
ColorAndGState.doColorSpaceFillAndStroke(context)
elif drawingType == UIHandling.kHICommandCLUTDrawGraphics:
ColorAndGState.doIndexedColorDrawGraphics(context)
elif drawingType == UIHandling.kHICommandDrawWithGlobalAlpha:
ColorAndGState.drawWithGlobalAlpha(context)
elif drawingType == UIHandling.kHICommandDrawWithBlendMode:
callPDFDrawProc(context, ColorAndGState.drawWithColorBlendMode,
kPDFForBlendMode)
elif drawingType == UIHandling.kHICommandDrawWithColorRefs:
ColorAndGState.drawWithColorRefs(context)
elif drawingType == UIHandling.kHICommandFunctionsHaveOwnGSave:
ColorAndGState.doClippedEllipse(context)
elif drawingType == UIHandling.kHICommandDrawJPEGImage:
doDrawJPEGFile(context)
elif drawingType == UIHandling.kHICommandColorImageFromFile:
doRawImageFileWithURL(context)
elif drawingType == UIHandling.kHICommandColorImageFromData:
Images.doColorRampImage(context)
elif drawingType == UIHandling.kHICommandColorImageFromCallbacks:
doRawImageFileWithCallbacks(context)
elif drawingType == UIHandling.kHICommandGrayRamp:
Images.doGrayRamp(context)
elif drawingType == UIHandling.kHICommandDrawWithCGImageSource:
doDrawImageWithCGImageSource(context)
elif drawingType == UIHandling.kHICommandDrawWithCGImageSourceIncremental:
doIncrementalImage(context)
elif drawingType == UIHandling.kHICommandDrawWithQuickTime:
doQTImage(context)
elif drawingType == UIHandling.kHICommandSubstituteImageProfile:
doJPEGDocumentWithMultipleProfiles(context)
elif drawingType == UIHandling.kHICommandDoSubImage:
Images.doColorRampSubImage(context)
elif drawingType == UIHandling.kHICommandExportWithQuickTime:
Images.exportColorRampImageWithQT(context)
elif drawingType == UIHandling.kHICommandMaskTurkeyImage:
ImageMasking.doOneBitMaskImages(context)
elif drawingType == UIHandling.kHICommandImageMaskedWithMask:
doMaskImageWithMask(context)
elif drawingType == UIHandling.kHICommandImageMaskedWithGrayImage:
doMaskImageWithGrayImage(context)
elif drawingType == UIHandling.kHICommandMaskImageWithColor:
doImageMaskedWithColor(context)
elif drawingType == UIHandling.kHICommandClipToMask:
doClipMask(context)
elif drawingType == UIHandling.kHICommandExportWithCGImageDestination:
exportImageMaskedWithImage(context)
elif drawingType == UIHandling.kHICommandSimpleCGLayer:
BitmapContext.doSimpleCGLayer(context)
elif drawingType == UIHandling.kHICommandAlphaOnlyContext:
BitmapContext.doAlphaOnlyContext(context)
elif drawingType == UIHandling.kHICommandDrawNoOffScreenImage:
tilePDFDocument(context, noOffScreen)
elif drawingType == UIHandling.kHICommandDrawOffScreenImage:
tilePDFDocument(context, bitmapOffScreen)
elif drawingType == UIHandling.kHICommandDrawWithLayer:
tilePDFDocument(context, layerOffScreen)
elif drawingType == UIHandling.kHICommandQuartzRomanText:
QuartzTextDrawing.drawQuartzRomanText(context)
elif drawingType == UIHandling.kHICommandQuartzTextModes:
QuartzTextDrawing.drawQuartzTextWithTextModes(context)
elif drawingType == UIHandling.kHICommandQuartzTextMatrix:
QuartzTextDrawing.drawQuartzTextWithTextMatrix(context)
elif drawingType == UIHandling.kHICommandSimplePattern:
PatternDrawing.doRedBlackCheckerboard(context)
elif drawingType == UIHandling.kHICommandPatternPhase:
PatternDrawing.doPatternPhase(context)
elif drawingType == UIHandling.kHICommandPatternMatrix:
PatternDrawing.doPatternMatrix(context)
elif drawingType == UIHandling.kHICommandUncoloredPattern:
PatternDrawing.doStencilPattern(context)
elif drawingType == UIHandling.kHICommandDrawWithPDFPattern:
callPDFDrawProc(context, PatternDrawing.drawWithPDFPattern, kCatPDF)
elif drawingType == UIHandling.kHICommandSimpleShadow:
ShadowsAndTransparencyLayers.drawSimpleShadow(context)
elif drawingType == UIHandling.kHICommandShadowScaling:
ShadowsAndTransparencyLayers.doShadowScaling(context)
elif drawingType == UIHandling.kHICommandShadowProblems:
ShadowsAndTransparencyLayers.showComplexShadowIssues(context)
elif drawingType == UIHandling.kHICommandComplexShadow:
ShadowsAndTransparencyLayers.showComplexShadow(context)
elif drawingType == UIHandling.kHICommandMultipleShapeComposite:
ShadowsAndTransparencyLayers.doLayerCompositing(context)
elif drawingType == UIHandling.kHICommandFillAndStrokeWithShadow:
ShadowsAndTransparencyLayers.drawFillAndStrokeWithShadow(context)
elif drawingType == UIHandling.kHICommandPDFDocumentShadow:
callPDFDrawProc(context,
ShadowsAndTransparencyLayers.shadowPDFDocument,
kCatPDF)
elif drawingType == UIHandling.kHICommandSimpleAxialShading:
Shadings.doSimpleAxialShading(context)
elif drawingType == UIHandling.kHICommandExampleAxialShadings:
Shadings.doExampleAxialShading(context)
elif drawingType == UIHandling.kHICommandSimpleRadialShading:
Shadings.doSimpleRadialShading(context)
elif drawingType == UIHandling.kHICommandExampleRadialShadings:
Shadings.doExampleRadialShadings(context)
elif drawingType == UIHandling.kHICommandEllipseShading:
Shadings.doEllipseShading(context)
elif drawingType == UIHandling.kHICommandDoCompatibleEPS:
doCompatibleEPSDrawing(context)