[WIP] bleed support

drawBot/context/baseContext.py

@@ -2104,7 +2104,7 @@ def __init__(self):
 
     # overwrite by a subclass
 
-    def _newPage(self, width, height):
+    def _newPage(self, width, height, pageOptions):
         pass
 
     def _save(self):
@@ -2166,13 +2166,13 @@ def size(self, width=None, height=None):
         if height is not None:
             self.height = height
 
-    def newPage(self, width=None, height=None):
+    def newPage(self, width=None, height=None, options=None):
         if self.width is None and width is None:
             raise DrawBotError("A page must have a width")
         if self.height is None and height is None:
             raise DrawBotError("A page must have a height")
         self.hasPage = True
-        self._newPage(width, height)
+        self._newPage(width, height, options)
 
     def saveImage(self, path, options):
         if not self.hasPage:

drawBot/context/gifContext.py

@@ -28,8 +28,8 @@ def _frameDuration(self, seconds):
         # gifsicle -h: Set frame delay to TIME (in 1/100sec).
         self._delayData[-1] = int(seconds * 100)
 
-    def _newPage(self, width, height):
-        super(GIFContext, self)._newPage(width, height)
+    def _newPage(self, width, height, pageOptions):
+        super(GIFContext, self)._newPage(width, height, pageOptions)
         self._delayData.append(self._delay)
 
     def _writeDataToFile(self, data, path, options):

drawBot/context/mp4Context.py

@@ -28,7 +28,7 @@ def __init__(self):
     def _frameDuration(self, frameDuration):
         self._frameDurations[-1] = frameDuration
 
-    def _newPage(self, width, height):
+    def _newPage(self, width, height, pageOptions):
         super(MP4Context, self)._newPage(width, height)
         self._frameDurations.append(self._defaultFrameDuration)
         # https://github.com/typemytype/drawbot/issues/391

drawBot/context/pdfContext.py

@@ -29,26 +29,41 @@ def __init__(self):
         self._hasContext = False
         self._cachedImages = {}
 
-    def _newPage(self, width, height):
+    def _newPage(self, width, height, options):
         self.size(width, height)
         mediaBox = Quartz.CGRectMake(0, 0, self.width, self.height)
 
+        auxiliaryInfo = {
+            Quartz.kCGPDFContextAuthor: "DrawBot"
+        }
+        # auxiliaryInfo[Quartz.kCGPDFContextMediaBox] = AppKit.NSValue.valueWithRect_(mediaBox)
+        if "bleed" in options:
+            leftBleed, topBleed, rightBleed, bottomBleed = options["bleed"]
+
+            mediaBox = Quartz.CGRectMake(0, 0, self.width + leftBleed + rightBleed, self.height + topBleed + bottomBleed)
+            bleedBox = Quartz.CGRectMake(leftBleed, topBleed, self.width, self.height)
+
+            auxiliaryInfo[Quartz.kCGPDFContextBleedBox] = AppKit.NSValue.valueWithRect_(bleedBox)
+            auxiliaryInfo[Quartz.kCGPDFContextTrimBox] = AppKit.NSValue.valueWithRect_(bleedBox)
+
+        auxiliaryInfo[Quartz.kCGPDFContextMediaBox] = AppKit.NSValue.valueWithRect_(mediaBox)
+
         # reset the context
         self.reset()
         if self._hasContext:
             # add a new page
-            Quartz.CGContextEndPage(self._pdfContext)
-            Quartz.CGContextBeginPage(self._pdfContext, mediaBox)
+            Quartz.CGPDFContextEndPage(self._pdfContext)
+            Quartz.CGPDFContextBeginPage(self._pdfContext, auxiliaryInfo)
         else:
             # create a new pdf document
             self._pdfData = Quartz.CFDataCreateMutable(None, 0)
             dataConsumer = Quartz.CGDataConsumerCreateWithCFData(self._pdfData)
-            self._pdfContext = Quartz.CGPDFContextCreate(dataConsumer, mediaBox, None)
-            Quartz.CGContextBeginPage(self._pdfContext, mediaBox)
+            self._pdfContext = Quartz.CGPDFContextCreate(dataConsumer, mediaBox, auxiliaryInfo)
+            Quartz.CGPDFContextBeginPage(self._pdfContext, auxiliaryInfo)
             self._hasContext = True
 
     def _closeContext(self):
-        Quartz.CGContextEndPage(self._pdfContext)
+        Quartz.CGPDFContextEndPage(self._pdfContext)
         Quartz.CGPDFContextClose(self._pdfContext)
         self._hasContext = False
 

drawBot/context/printContext.py

@@ -41,8 +41,8 @@ class PrintContext(BaseContext):
     fileExtensions = ["*"]
     validateSaveImageOptions = False
 
-    def _newPage(self, width, height):
-        print("newPage %s %s" % (width, height))
+    def _newPage(self, width, height, pageOptions):
+        print("newPage %s %s %s" % (width, height, pageOptions))
 
     def _save(self):
         print("save")

drawBot/context/svgContext.py

@@ -312,7 +312,7 @@ def _reset(self, other=None):
         self._embeddedFonts = set()
         self._embeddedImages = dict()
 
-    def _newPage(self, width, height):
+    def _newPage(self, width, height, pageOptions):
         if hasattr(self, "_svgContext"):
             self._svgContext.endtag("svg")
         self.reset()

drawBot/drawBotDrawingTools.py

@@ -106,7 +106,7 @@ def _addInstruction(self, callback, *args, **kwargs):
             self._instructionsStack.append([])
         if self._requiresNewFirstPage and not self._hasPage:
             self._hasPage = True
-            self._instructionsStack[-1].insert(0, ("newPage", [self.width(), self.height()], {}))
+            self._instructionsStack[-1].insert(0, ("newPage", [self.width(), self.height(), {}], {}))
         self._instructionsStack[-1].append((callback, args, kwargs))
 
     def _drawInContext(self, context):
@@ -260,7 +260,7 @@ def size(self, width, height=None):
         else:
             raise DrawBotError("Can't use 'size()' after drawing has begun. Try to move it to the top of your script.")
 
-    def newPage(self, width=None, height=None):
+    def newPage(self, width=None, height=None, bleed=None):
         """
         Create a new canvas to draw in.
         This will act like a page in a pdf or a frame in a mov.
@@ -293,11 +293,18 @@ def newPage(self, width=None, height=None):
         if width is None and height is None:
             width = self.width()
             height = self.height()
+        pageOptions = {}
+        if bleed is not None:
+            if isinstance(bleed, (int, float)):
+                bleed = (bleed, bleed, bleed, bleed)
+            if len(bleed) != 4:
+                raise DrawBotError("Bleed must be a tuple of 4 values.")
+            pageOptions["bleed"] = bleed
         self._width = width
         self._height = height
         self._hasPage = True
         self._dummyContext = DummyContext()
-        self._addInstruction("newPage", width, height)
+        self._addInstruction("newPage", width, height, pageOptions)
 
     def pages(self):
         """