def __init__(self):
super(Canvas, self).__init__()
# initialize operators
self.canvas_operators = [
# color
SetCMYKNonStroking(),
SetCMYKStroking(),
SetColorNonStroking(self),
SetColorStroking(self),
SetGrayNonStroking(),
SetGrayStroking(),
SetRGBNonStroking(),
SetRGBStroking(),
# compatibility
BeginCompatibilitySection(),
EndCompatibilitySection(),
# marked content
BeginMarkedContent(),
BeginMarkedContentWithPropertyList(),
EndMarkedContent(),
# state
ModifyTransformationMatrix(),
PopGraphicsState(),
PushGraphicsState(),
SetLineWidth(),
# text
BeginTextObject(),
EndTextObject(),
MoveTextPosition(),
MoveTextPositionSetLeading(),
MoveToNextLineShowText(),
MoveToNextLine(),
SetCharacterSpacing(),
SetFontAndSize(),
SetHorizontalScaling(),
SetSpacingMoveToNextLineShowText(),
SetTextLeading(),
SetTextMatrix(),
SetTextRenderingMode(),
SetTextRise(),
SetWordSpacing(),
ShowText(),
ShowTextWithGlyphPositioning(),
# xobject
Do(),
]
# compatibility mode
self.in_compatibility_section = False
# set initial graphics state
self.graphics_state = CanvasGraphicsState()
# canvas tag hierarchy is (oddly enough) not considered to be part of the graphics state
self.marked_content_stack = []
# set graphics state stack
self.graphics_state_stack = []
def invoke(self, canvas: "Canvas", operands: List[AnyPDFType] = []):
SetWordSpacing().invoke(canvas, [operands[0]])
SetCharacterSpacing().invoke(canvas, [operands[1]])
MoveToNextLineShowText().invoke(canvas, [operands[2]])