Supported Image File Formats/en: Unterschied zwischen den Versionen
Cg (Diskussion | Beiträge) (→GIF) |
Cg (Diskussion | Beiträge) |
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Although expecco supports a wide range of bitmap image formats, |
Although expecco supports a wide range of bitmap image formats, |
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some seldom used formats are not supported, or only supported with limitations. |
some seldom used formats are not supported, or only supported with limitations. |
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== GIF == |
== GIF == |
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reading and writing of 1 to 8 bit/pixel palette images is supported. |
reading and writing of 1 to 8 bit/pixel palette images is supported. |
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Tiled images with multiple palettes are not supported. |
Tiled images with multiple palettes are not supported. |
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== JPEG == |
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reading and writing of 24bit/pixel is supported. Expecco uses the libjpg library. |
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== PNG == |
== PNG == |
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* 16bit RGB + alpha: incorrect display |
* 16bit RGB + alpha: incorrect display |
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* TRNS chunk with alpha values (only on-off masks) |
* TRNS chunk with alpha values (only on-off masks) |
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== BMP == |
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most formats are supported in reading; |
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1,4,8 and 24 bit files can be written. |
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== TIFF == |
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most formats are supported in reading. |
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1, 4, 8 and 24 bit files can be written |
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== XBM == |
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both reading and writing |
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== XPM == |
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some restrictions apply (to be documented) |
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Support for other formats, which are more or less of historic interest, |
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can be made available upon request and at some extra charge: XWN, Targa, Sun-Raster, PICT, PCX, PBM, OSX-Icon, IrisRGB. Also, subset of the AVI and FLI formats can be provided if there is a need. |
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Version vom 17. Februar 2017, 12:19 Uhr
Although expecco supports a wide range of bitmap image formats, some seldom used formats are not supported, or only supported with limitations.
GIF[Bearbeiten]
reading and writing of 1 to 8 bit/pixel palette images is supported. Tiled images with multiple palettes are not supported.
JPEG[Bearbeiten]
reading and writing of 24bit/pixel is supported. Expecco uses the libjpg library.
PNG[Bearbeiten]
(see http://www.schaik.com/pngsuite/pngsuite.html)
- Grayscale + alpha: reading unsupported (as of 2.11)
- 16bit RGB + alpha: incorrect display
- TRNS chunk with alpha values (only on-off masks)
BMP[Bearbeiten]
most formats are supported in reading; 1,4,8 and 24 bit files can be written.
TIFF[Bearbeiten]
most formats are supported in reading. 1, 4, 8 and 24 bit files can be written
XBM[Bearbeiten]
both reading and writing
XPM[Bearbeiten]
some restrictions apply (to be documented)
Support for other formats, which are more or less of historic interest, can be made available upon request and at some extra charge: XWN, Targa, Sun-Raster, PICT, PCX, PBM, OSX-Icon, IrisRGB. Also, subset of the AVI and FLI formats can be provided if there is a need.
