49 lines
1.7 KiB
Plaintext
49 lines
1.7 KiB
Plaintext
The following 4 steps to adding a new image format to blender, its
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probably easiest to look at the png code for a clean clear example,
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animation formats are a bit more complicated but very similar:
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Step 1:
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create a new file named after the format for example lets say we were
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creating an openexr read/writer use openexr.c
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It should contain functions to match the following prototypes:
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struct ImBuf *imb_loadopenexr(unsigned char *mem,int size,int flags);
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/* Use one of the following depending on what's easier for your file format */
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short imb_saveopenexr(struct ImBuf *ibuf, FILE myfile, int flags);
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short imb_saveopenexr(struct ImBuf *ibuf, char *myfile, int flags);
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/* Used to test if its the correct format
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int IMB_is_openexr(void *buf);
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Step 2:
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Add your hooks to read and write the image format these go in
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writeimage.c and readimage.c just look at how the others are done
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Step 3:
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Add in IS_openexr to blender/source/blender/imbuf/IMB_imbuf_types.h
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Add in R_openexr to source/blender/makesdna/DNA_scene_types.h
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Step 4:
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Add your hooks to the gui.
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source/blender/src/buttons_scene.c
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source/blender/src/toets.c
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source/blender/src/writeimage.c
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Step 5:
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edit the following files:
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blender/source/blender/imbuf/intern/util.c
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blender/source/blender/src/filesel.c
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blender/source/blender/src/screendump.c
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and add your extension so that your format gets recognized in the thumbnails.
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Step 6:
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Alter the build process:
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For cmake you need to edit blender/source/blender/imbuf/CMakeLists.txt
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and add in your additional files to source_files.
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If you have any external library info you will also need to add that
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to the various build processes.
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Step 7:
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Its also good to add your image format to:
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makepicstring in blender/source/blender/blenkernel/intern/image.c
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