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image_dec: add WebPGetEnabledInputFileFormats()

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and use it to output the types supported in the examples

Change-Id: Ia6b8624a2146cf72c679129065a72f215644e1e9
This commit is contained in:
James Zern
2022-03-26 15:17:58 -07:00
parent 7a68afaac5
commit 617cf03656
5 changed files with 27 additions and 2 deletions
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18
imageio/image_dec.c
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@ -11,6 +11,24 @@
#include "./image_dec.h"
const char* WebPGetEnabledInputFileFormats(void) {
return "WebP"
#ifdef WEBP_HAVE_JPEG
", JPEG"
#endif
#ifdef WEBP_HAVE_PNG
", PNG"
#endif
", PNM (PGM, PPM, PAM)"
#ifdef WEBP_HAVE_TIFF
", TIFF"
#endif
#ifdef HAVE_WINCODEC_H
", Windows Imaging Component (WIC)"
#endif
"";
}
static WEBP_INLINE uint32_t GetBE32(const uint8_t buf[]) {
return ((uint32_t)buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3];
}