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2009-08-24 Colin D Bennett <colin@gibibit.com>
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Bitmap scaling support.
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* conf/common.rmk (pkglib_MODULES): Add bitmap_scale.mod.
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(bitmap_scale_mod_SOURCES): New variable.
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(bitmap_scale_mod_CFLAGS): Likewise.
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(bitmap_scale_mod_LDFLAGS): Likewise.
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* include/grub/bitmap_scale.h: New file.
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* term/gfxterm.c (BACKGROUND_CMD_ARGINDEX_MODE): New definiton.
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(background_image_cmd_options): New variable.
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(grub_gfxterm_background_image_cmd): Support bitmap stretching.
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(cmd): Rename and change type to ...
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(background_image_cmd_handle): ... this. All users updated.
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(GRUB_MOD_INIT(term_gfxterm)): Make background_image extended command.
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* video/bitmap_scale.c: New file.