pnmdec.h (1195B)
1 // Copyright 2017 Google Inc. All Rights Reserved. 2 // 3 // Use of this source code is governed by a BSD-style license 4 // that can be found in the COPYING file in the root of the source 5 // tree. An additional intellectual property rights grant can be found 6 // in the file PATENTS. All contributing project authors may 7 // be found in the AUTHORS file in the root of the source tree. 8 // ----------------------------------------------------------------------------- 9 // 10 // partial PNM format decoder (ppm/pgm) 11 12 #ifndef WEBP_IMAGEIO_PNMDEC_H_ 13 #define WEBP_IMAGEIO_PNMDEC_H_ 14 15 #include <stddef.h> 16 17 #include "webp/types.h" 18 19 #ifdef __cplusplus 20 extern "C" { 21 #endif 22 23 struct Metadata; 24 struct WebPPicture; 25 26 // Reads a PNM file from 'data', returning the decoded output in 'pic'. 27 // The output is RGB or YUV depending on pic->use_argb value. 28 // Returns true on success. 29 // 'metadata' has no effect, but is kept for coherence with other signatures 30 // for image readers. 31 int ReadPNM(const uint8_t* const data, size_t data_size, 32 struct WebPPicture* const pic, int keep_alpha, 33 struct Metadata* const metadata); 34 35 #ifdef __cplusplus 36 } // extern "C" 37 #endif 38 39 #endif // WEBP_IMAGEIO_PNMDEC_H_