1*b2055c35SXin Li // Copyright 2016 Google Inc. All Rights Reserved. 2*b2055c35SXin Li // 3*b2055c35SXin Li // Use of this source code is governed by a BSD-style license 4*b2055c35SXin Li // that can be found in the COPYING file in the root of the source 5*b2055c35SXin Li // tree. An additional intellectual property rights grant can be found 6*b2055c35SXin Li // in the file PATENTS. All contributing project authors may 7*b2055c35SXin Li // be found in the AUTHORS file in the root of the source tree. 8*b2055c35SXin Li // ----------------------------------------------------------------------------- 9*b2055c35SXin Li // 10*b2055c35SXin Li // All-in-one library to decode PNG/JPEG/WebP/TIFF/WIC input images. 11*b2055c35SXin Li // 12*b2055c35SXin Li // Author: Skal ([email protected]) 13*b2055c35SXin Li 14*b2055c35SXin Li #ifndef WEBP_IMAGEIO_IMAGE_DEC_H_ 15*b2055c35SXin Li #define WEBP_IMAGEIO_IMAGE_DEC_H_ 16*b2055c35SXin Li 17*b2055c35SXin Li #include "webp/types.h" 18*b2055c35SXin Li 19*b2055c35SXin Li #ifdef HAVE_CONFIG_H 20*b2055c35SXin Li #include "webp/config.h" 21*b2055c35SXin Li #endif 22*b2055c35SXin Li 23*b2055c35SXin Li #include "./metadata.h" 24*b2055c35SXin Li #include "./jpegdec.h" 25*b2055c35SXin Li #include "./pngdec.h" 26*b2055c35SXin Li #include "./pnmdec.h" 27*b2055c35SXin Li #include "./tiffdec.h" 28*b2055c35SXin Li #include "./webpdec.h" 29*b2055c35SXin Li #include "./wicdec.h" 30*b2055c35SXin Li 31*b2055c35SXin Li #ifdef __cplusplus 32*b2055c35SXin Li extern "C" { 33*b2055c35SXin Li #endif 34*b2055c35SXin Li 35*b2055c35SXin Li typedef enum { 36*b2055c35SXin Li WEBP_PNG_FORMAT = 0, 37*b2055c35SXin Li WEBP_JPEG_FORMAT, 38*b2055c35SXin Li WEBP_TIFF_FORMAT, 39*b2055c35SXin Li WEBP_WEBP_FORMAT, 40*b2055c35SXin Li WEBP_PNM_FORMAT, 41*b2055c35SXin Li WEBP_UNSUPPORTED_FORMAT 42*b2055c35SXin Li } WebPInputFileFormat; 43*b2055c35SXin Li 44*b2055c35SXin Li // Returns a comma separated list of enabled input formats. 45*b2055c35SXin Li const char* WebPGetEnabledInputFileFormats(void); 46*b2055c35SXin Li 47*b2055c35SXin Li // Try to infer the image format. 'data_size' should be larger than 12. 48*b2055c35SXin Li // Returns WEBP_UNSUPPORTED_FORMAT if format can't be guess safely. 49*b2055c35SXin Li WebPInputFileFormat WebPGuessImageType(const uint8_t* const data, 50*b2055c35SXin Li size_t data_size); 51*b2055c35SXin Li 52*b2055c35SXin Li // Signature for common image-reading functions (ReadPNG, ReadJPEG, ...) 53*b2055c35SXin Li typedef int (*WebPImageReader)(const uint8_t* const data, size_t data_size, 54*b2055c35SXin Li struct WebPPicture* const pic, 55*b2055c35SXin Li int keep_alpha, struct Metadata* const metadata); 56*b2055c35SXin Li 57*b2055c35SXin Li // Return the reader associated to a given file format. 58*b2055c35SXin Li WebPImageReader WebPGetImageReader(WebPInputFileFormat format); 59*b2055c35SXin Li 60*b2055c35SXin Li // This function is similar to WebPGuessImageType(), but returns a 61*b2055c35SXin Li // suitable reader function. The returned reader is never NULL, but 62*b2055c35SXin Li // unknown formats will return an always-failing valid reader. 63*b2055c35SXin Li WebPImageReader WebPGuessImageReader(const uint8_t* const data, 64*b2055c35SXin Li size_t data_size); 65*b2055c35SXin Li 66*b2055c35SXin Li #ifdef __cplusplus 67*b2055c35SXin Li } // extern "C" 68*b2055c35SXin Li #endif 69*b2055c35SXin Li 70*b2055c35SXin Li #endif // WEBP_IMAGEIO_IMAGE_DEC_H_ 71