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Transparency
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This method sets the new opacity level for fill color.

Syntax

HRESULT SetOpacityFill (
FLOAT opacity
)
Parameters
opacity
New opacity level

Return value
If successful, this method returns S_OK. If it fails, this method should return one of the error values.

Example

Using Opacity

Delphi
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{ PDF object is supposed to be created }
PDF.SetColorSpaceType(cstDefaultRGB);
PDF.SetLineWidth(10);

{ 1st square }
PDF.SetColorStroke(0, 0, 0, 0);
PDF.SetColorFill(1, 0, 0, 0);
PDF.DrawRectangle(50, 50, 100, 100, 0);
PDF.FillAndStroke;

{ 2nd square }
PDF.SetColor(0, 0, 1, 0);
PDF.SetOpacityStroke(0.2);
PDF.SetOpacityFill(0.8);
{ or just set the same opacity level for
  both colors, call:
   PDF.SetOpacity(0.5); }
PDF.DrawRectangle(100, 100, 100, 100, 0);
PDF.FillAndStroke;

PDF.SetColorStroke(0, 1, 0, 0);
PDF.SetColorFill(0.2, 0.2, 1, 0);
PDF.DrawRectangle(100, 100, 100, 100, 0);
PDF.FillAndStroke;

PDF.SaveToFile('test.pdf', true);
C/C++
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// PDF object is supposed to be created
PDF->SetColorSpaceType(cstDefaultRGB);
PDF->SetLineWidth(10);

//1st square
PDF.SetColorStroke(0, 0, 0, 0);
PDF.SetColorFill(1, 0, 0, 0);
PDF.DrawRectangle(50, 50, 100, 100, 0);
PDF.FillAndStroke();

//2nd square
PDF->SetColor(0, 0, 1, 0);
PDF->SetOpacityStroke(0.2f);
PDF->SetOpacityFill(0.8f);
// or just set the same opacity level for
// both colors, call:
//  PDF->SetOpacity(0.5f);
PDF->DrawRectangle(100, 100, 100, 100, 0);
PDF->FillAndStroke();

PDF->SetColorStroke(0, 1, 0, 0);
PDF->SetColorFill(0.2f, 0.2f, 1, 0);
PDF->DrawRectangle(100, 100, 100, 100, 0);
PDF->FillAndStroke();

PDF->SaveToFile("test.pdf", true);
C#
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// PDF object is supposed to be created
PDF.SetColorSpaceType(ColorSpaceType.cstDefaultRGB);
PDF.SetLineWidth(10);

//1st square
PDF.SetColorStroke(0, 0, 0, 0);
PDF.SetColorFill(1, 0, 0, 0);
PDF.DrawRectangle(50, 50, 100, 100, 0);
PDF.FillAndStroke();

//2nd square
PDF.SetColor(0, 0, 1, 0);
PDF.SetOpacityStroke(0.2);
PDF.SetOpacityFill(0.8);
// or just set the same opacity level for
// both colors, call:
//  PDF.SetOpacity(0.5);
PDF.DrawRectangle(100, 100, 100, 100, 0);
PDF.FillAndStroke();

PDF.SetColorStroke(0, 1, 0, 0);
PDF.SetColorFill(0.2, 0.2, 1, 0);
PDF.DrawRectangle(100, 100, 100, 100, 0);
PDF.FillAndStroke();

PDF.SaveToFile("test.pdf", true);
Visual Basic
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' PDF object is supposed to be created
PDF.SetColorSpaceType 1 'ColorSpaceType.cstDefaultRGB
PDF.SetLineWidth 10

'1st square
PDF.SetColorStroke 0, 0, 0, 0
PDF.SetColorFill 1, 0, 0, 0
PDF.DrawRectangle 50, 50, 100, 100, 0
PDF.FillAndStroke

'2nd square
PDF.SetColor 0, 0, 1, 0
PDF.SetOpacityStroke 0.2
PDF.SetOpacityFill 0.8
'' or just set the same opacity level for
'' both colors, call:
''  PDF.SetOpacity 0.5
PDF.DrawRectangle 100, 100, 100, 100, 0
PDF.FillAndStroke

PDF.SetColorStroke 0, 1, 0, 0
PDF.SetColorFill 0.2, 0.2, 1, 0
PDF.DrawRectangle 100, 100, 100, 100, 0
PDF.FillAndStroke

PDF.SaveToFile "test.pdf", true

See Also

PDF Library Download Features Manual Tutorials FAQ Pricing HTML2PDF Add-on History In the Lab

 

 

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