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- how to add new image sdecoder.
- 1. create a directory which name is your image decoder's name and put source files
- under the directory.
- const struct image_decoder image_decoder and IMGDEC_HEADER need to be defined in
- your souce file.
- check imageviewer.h for the detail of struct image_decoder.
- 2. add the directory name to apps/plugins/imageviewer/SUBDIR so that the decoder
- is built.
- if the decoder is supported by particular targets, surround it with #if directive.
- e.g. if the decoder supports color LCD targets only,
- #if HAVE_LCD_COLOR
- bmp
- #endif
- 3. append appropriate entry to enum image_type in image_decoder.h, decoder_names
- and ext_list in image_decoder.c so that the imageviewer plugin can recognize
- the decoder.
- if the decoder is supported by particular targets, surround them with same #if
- directive in SUBDIR.
- 4. add entry to apps/plugins/viewers.config
- (in format: file_extension,viewer/imageviewer) so that the file with specified
- file extension will be opened by image viewer plugin.
- if the decoder is supported by particular targets, surround it with same #if
- directive in SUBDIR.
- 5. add entry to apps/plugins/CATEGORIES (in format: decoder_name,viewer) so
- that the build file is copied to viewers direcotry.
- you don't need to surround this with #if directive.
- notes:
- if you need to use greylib functions to draw image, add the functions to
- struct imgdec_api just like gray_bitmap_part as GREY_INFO_STRUCT is declared in
- imageviewer and is not available from the decoder.
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