CanvasGetVertSize |
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Prototype
IntValue:= CanvasGetHorzSize (intHandle)
Description
Returns vertical canvas size.
Parameters
IntHandle: integer value corresponding to the canvas handle.
Returned value
IntValue: integer value corresponding to the vertical canvas size.
Notes
None.
Example
// It selects printer PrinterSelect('HP LaserJet III');
// Start print if not PrinterStart('Test print',1) then begin // Abort sprint if there are errors PrinterAbort; PrinterStart('Test print',1); end;
//It gets canvas handle Paper:=PrinterGetCanvas;
//It gets print area size WidthArea:=CanvasGetHorzSize(Paper); HeightArea:=CanvasGetVertSize(Paper);
// It calculates distance among grid cells to draw StepV:=HeightArea div 10; StepH:=WidthArea div 10;
// Draw grid CanvasSetPen(Paper,3,0,$000000); For L:=0 to 10 do begin CanvasDrawLine(Paper,L*StepH,0,L*StepH,HeightArea); CanvasDrawLine(Paper,0,L*StepV,WidthArea,L*StepV); end;
// Text draw CanvasSetFont(Paper,'Arial',18,True,True,True,$000000); CanvasDrawText(Paper,100,100,'Test print');
// End print operation PrinterEnd; |