1 /* 2 * Small jpeg decoder library (header file) 3 * 4 * Copyright (c) 2006, Luc Saillard <luc (at) saillard.org> 5 * All rights reserved. 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * - Redistributions of source code must retain the above copyright notice, 10 * this list of conditions and the following disclaimer. 11 * 12 * - Redistributions in binary form must reproduce the above copyright notice, 13 * this list of conditions and the following disclaimer in the documentation 14 * and/or other materials provided with the distribution. 15 * 16 * - Neither the name of the author nor the names of its contributors may be 17 * used to endorse or promote products derived from this software without 18 * specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 * 32 */ 33 34 35 #ifndef __JPEGDEC_H__ 36 #define __JPEGDEC_H__ 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 struct jdec_private; 43 44 /* Flags that can be set by any applications */ 45 #define TINYJPEG_FLAGS_MJPEG_TABLE (1<<1) 46 47 /* Format accepted in outout */ 48 struct tinyjpeg_colorspace; 49 typedef const struct tinyjpeg_colorspace *tinyjpeg_colorspace_t; 50 51 extern const tinyjpeg_colorspace_t TINYJPEG_FMT_GREY, TINYJPEG_FMT_BGR24, 52 TINYJPEG_FMT_RGB24, TINYJPEG_FMT_YUV420P, TINYJPEG_FMT_BGRA32, 53 TINYJPEG_FMT_RGBA32; 54 55 struct jdec_private *tinyjpeg_init(void); 56 void tinyjpeg_free(struct jdec_private *priv); 57 58 int tinyjpeg_parse_header(struct jdec_private *priv, const unsigned char *buf, unsigned int size); 59 int tinyjpeg_decode(struct jdec_private *priv, tinyjpeg_colorspace_t pixel_format); 60 const char *tinyjpeg_get_errorstring(struct jdec_private *priv); 61 void tinyjpeg_get_size(struct jdec_private *priv, unsigned int *width, unsigned int *height); 62 int tinyjpeg_get_components(struct jdec_private *priv, unsigned char **components, unsigned int ncomponents); 63 int tinyjpeg_set_components(struct jdec_private *priv, unsigned char * const *components, unsigned int ncomponents); 64 int tinyjpeg_get_bytes_per_row(struct jdec_private *priv, unsigned int *bytes, unsigned int ncomponents); 65 int tinyjpeg_set_bytes_per_row(struct jdec_private *priv, const unsigned int *bytes, unsigned int ncomponents); 66 int tinyjpeg_set_flags(struct jdec_private *priv, int flags); 67 68 #ifdef __cplusplus 69 } 70 #endif 71 72 #endif 73
