Imaging OS Design Development
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8/28/2008
The Imaging API provides support for various still-image codecs.
Implementation Considerations
The following table shows the sysgen variables for the Imaging API.
| Sysgen variable | Description |
|---|---|
SYSGEN_IMAGING |
Core support for the Imaging API. |
SYSGEN_IMAGING_BMP_DECODE |
Decoder for bitmap (*.bmp) images. |
SYSGEN_IMAGING_GIF_DECODE |
Decoder for Graphics Interchange Format (*.gif) images. |
SYSGEN_IMAGING_ICO_DECODE |
Decoder for icon (*.ico) images. |
SYSGEN_IMAGING_JPG_DECODE |
Decoder for JPEG (*.jpg, *.jpeg) images. |
SYSGEN_IMAGING_PNG_DECODE |
Decoger for Portable Network Graphics (*.png) images. |
SYSGEN_IMAGING_TIFF_DECODE |
Decoder for Tag Image File Format (TIFF) images. |
SYSGEN_IMAGING_BMP_ENCCODE |
Encoder for bitmap (*.bmp) images. |
SYSGEN_IMAGING_GIF_ENCCODE |
Encoder for Graphics Interchange Format (*.gif) images. |
SYSGEN_IMAGING_JPG_ENCCODE |
Encoder for JPEG (*.jpg, *.jpeg) images. |
SYSGEN_IMAGING_PNG_ENCCODE |
Encoger for Portable Network Graphics (*.png) images. |
SYSGEN_IMAGING_TIFF_ENCODE |
Encoder for Tag Image File Format (TIFF) images. |
SYSGEN_IMAGING_SAMPLES |
Sample applications for the Imaging API. For more information see Imaging Samples. |
Modules and Components
The following table shows the modules and components associated with the Imaging API.
| Item | Module | Component |
|---|---|---|
Core support for the Imaging API |
imaging |
None |
Core support BMP images |
img_bmp |
None |
BMP decoder |
img_bmpdecoder |
None |
BMP encoder |
img_bmpencoder |
None |
Core support GIF images |
img_gif, img_liblzw |
None |
GIF decoder |
img_gifdecoder |
None |
GIF encoder |
img_gifencoder |
None |
ICO decoder |
img_ico |
None |
Core support JPEG images |
img_jpeg, img_jpegfull, img_jpegmem |
None |
JPEG decoder |
img_jpegdecoder |
None |
JPEG encoder |
img_jpegencoder |
None |
Core support PNG images |
img_png, img_libpng |
None |
PNG decoder |
img_pngdecoder |
None |
PNG encoder |
img_pngencoder |
None |
TIFF decoder |
img_tiff, img_libtiff |
None |
TIFF encoder |
img_tiff, img_libtiff |
None |
Sample applications |
imgsamples |
None |
Hardware Considerations
There are no special hardware considerations for the Imaging API.
Dependencies
The following table shows the Catalog item dependencies that most directly relate to the core functionality of the Imaging API. There are additional dependencies as well. For more information about determining the complete list of dependencies for this Catalog item, see Catalog Item Dependencies.
| Catalog Item | Sysgen variable |
|---|---|
Minimal GDI Configuration |
SYSGEN_MINGDI |
Minimal GWES Configuration |
SYSGEN_MINGWES |
Minimal Input Configuration |
SYSGEN_MININPUT |
Minimal Window Manager Configuration |
SYSGEN_MINWMGR |