private static ICanvas CreateCanvas(BillFormat format)
{
double drawingWidth;
double drawingHeight;
// define page size
switch (format.OutputSize)
{
case OutputSize.QrBillOnly:
drawingWidth = QrBillWidth;
drawingHeight = QrBillHeight;
break;
case OutputSize.QrBillExtraSpace:
drawingWidth = QrBillWithHoriLineWidth;
drawingHeight = QrBillWithHoriLineHeight;
break;
case OutputSize.QrCodeOnly:
drawingWidth = QrCodeWidth;
drawingHeight = QrCodeHeight;
break;
default:
drawingWidth = A4PortraitWidth;
drawingHeight = A4PortraitHeight;
break;
}
var canvas = CanvasCreator.Create(format, drawingWidth, drawingHeight);
if (canvas != null)
{
return(canvas);
}
if (format.GraphicsFormat == GraphicsFormat.PNG)
{
// The PNG canvas factory is provided by a separate assembly / NuGet package.
// Try to load the factory dynamically, and if it still fails, print a message with specific hint.
CanvasCreator.RegisterPixelCanvasFactory();
canvas = CanvasCreator.Create(format, drawingWidth, drawingHeight);
if (canvas == null)
{
throw new QRBillGenerationException("Graphics format PNG not available (are you missing the NuGet package Codecrete.SwissQRBill.Generator?)");
}
}
else
{
throw new QRBillGenerationException("Invalid graphics format specified");
}
return(canvas);
}
private static ICanvas CreateCanvas(BillFormat format)
{
double drawingWidth;
double drawingHeight;
// define page size
switch (format.OutputSize)
{
case OutputSize.QrBillOnly:
drawingWidth = QrBillWidth;
drawingHeight = QrBillHeight;
break;
case OutputSize.QrBillExtraSpace:
#pragma warning disable CS0618 // Type or member is obsolete
case OutputSize.QrBillWithHorizontalLine:
#pragma warning restore CS0618 // Type or member is obsolete
drawingWidth = QrBillWithHoriLineWidth;
drawingHeight = QrBillWithHoriLineHeight;
break;
case OutputSize.QrCodeOnly:
drawingWidth = QrCodeWidth;
drawingHeight = QrCodeHeight;
break;
default:
drawingWidth = A4PortraitWidth;
drawingHeight = A4PortraitHeight;
break;
}
ICanvas canvas;
switch (format.GraphicsFormat)
{
case GraphicsFormat.SVG:
canvas = new SVGCanvas(drawingWidth, drawingHeight, format.FontFamily);
break;
case GraphicsFormat.PNG:
canvas = new PNGCanvas(drawingWidth, drawingHeight, format.Resolution, format.FontFamily);
break;
case GraphicsFormat.PDF:
canvas = new PDFCanvas(drawingWidth, drawingHeight);
break;
default:
throw new QRBillGenerationException("Invalid graphics format specified");
}
return(canvas);
}
private static ICanvas CreateCanvas(BillFormat format)
{
double drawingWidth;
double drawingHeight;
// define page size
switch (format.OutputSize)
{
case OutputSize.QrBillOnly:
drawingWidth = QrBillWidth;
drawingHeight = QrBillHeight;
break;
case OutputSize.QrBillWithHorizontalLine:
drawingWidth = QrBillWithHoriLineWidth;
drawingHeight = QrBillWithHoriLineHeight;
break;
case OutputSize.QrCodeOnly:
drawingWidth = QrCodeWidth;
drawingHeight = QrCodeHeight;
break;
default:
drawingWidth = A4PortraitWidth;
drawingHeight = A4PortraitHeight;
break;
}
ICanvas canvas;
switch (format.GraphicsFormat)
{
case GraphicsFormat.SVG:
canvas = new SVGCanvas(drawingWidth, drawingHeight, format.FontFamily);
break;
case GraphicsFormat.PDF:
canvas = new PDFCanvas(drawingWidth, drawingHeight);
break;
default:
throw new QRBillGenerationException("Invalid graphics format specified");
}
return(canvas);
}
