PDFTextAlpha property (ILEADRasterIO)
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long PDFTextAlpha | |
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Overview |
Refer to Implementing PDF Plug in Features. |
Remarks
Sets the flag that indicates what type of font anti-aliasing that LEADTOOLS uses when loading PDF, PS or EPS files.
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Value |
Meaning |
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1 |
Do not use font anti-aliasing. |
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2 |
Use 2-bit font anti-aliasing. |
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4 |
Use 4-bit font anti-aliasing. |
The default setting is 4.
Aliasing is the effect on all pixel devices where diagonal and curved lines have a zigzag appearance. As pixels get larger, this effect becomes more noticeable. Anti-aliasing refers to methods designed to decrease or eliminate this effect. This is done by shading the pixels along the borders of the affected lines.
Font anti-aliasing slows down the drawing of the resulting bitmap.
Font anti-aliasing can only be used if PDFDisplayDepth property is set to 8 or greater.
See Also
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Elements: |
PDFXResolution property, PDFYResolution property, PDFDisplayDepth property, PDFGraphicsAlpha property, PDFUseLibFonts property |
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Topics: |