/* * The copyright in this software is being made available under the 2-clauses * BSD License, included below. This software may be subject to other third * party and contributor rights, including patent rights, and no such rights * are granted under this license. * * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium * Copyright (c) 2002-2014, Professor Benoit Macq * Copyright (c) 2001-2003, David Janssens * Copyright (c) 2002-2003, Yannick Verschueren * Copyright (c) 2003-2007, Francois-Olivier Devaux * Copyright (c) 2003-2014, Antonin Descampe * Copyright (c) 2005, Herve Drolon, FreeImage Team * Copyright (c) 2006-2007, Parvatha Elangovan * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include "opj_apps_config.h" #include #include #include #include #include #include "openjpeg.h" #include "convert.h" /* * Get logarithm of an integer and round downwards. * * log2(a) */ static int int_floorlog2(int a) { int l; for (l = 0; a > 1; l++) { a >>= 1; } return l; } /* Component precision scaling */ void clip_component(opj_image_comp_t* component, OPJ_UINT32 precision) { OPJ_SIZE_T i; OPJ_SIZE_T len; OPJ_UINT32 umax = (OPJ_UINT32)((OPJ_INT32) - 1); len = (OPJ_SIZE_T)component->w * (OPJ_SIZE_T)component->h; if (precision < 32) { umax = (1U << precision) - 1U; } if (component->sgnd) { OPJ_INT32* l_data = component->data; OPJ_INT32 max = (OPJ_INT32)(umax / 2U); OPJ_INT32 min = -max - 1; for (i = 0; i < len; ++i) { if (l_data[i] > max) { l_data[i] = max; } else if (l_data[i] < min) { l_data[i] = min; } } } else { OPJ_UINT32* l_data = (OPJ_UINT32*)component->data; for (i = 0; i < len; ++i) { if (l_data[i] > umax) { l_data[i] = umax; } } } component->prec = precision; } /* Component precision scaling */ static void scale_component_up(opj_image_comp_t* component, OPJ_UINT32 precision) { OPJ_SIZE_T i, len; len = (OPJ_SIZE_T)component->w * (OPJ_SIZE_T)component->h; if (component->sgnd) { OPJ_INT64 newMax = (OPJ_INT64)(1U << (precision - 1)); OPJ_INT64 oldMax = (OPJ_INT64)(1U << (component->prec - 1)); OPJ_INT32* l_data = component->data; for (i = 0; i < len; ++i) { l_data[i] = (OPJ_INT32)(((OPJ_INT64)l_data[i] * newMax) / oldMax); } } else { OPJ_UINT64 newMax = (OPJ_UINT64)((1U << precision) - 1U); OPJ_UINT64 oldMax = (OPJ_UINT64)((1U << component->prec) - 1U); OPJ_UINT32* l_data = (OPJ_UINT32*)component->data; for (i = 0; i < len; ++i) { l_data[i] = (OPJ_UINT32)(((OPJ_UINT64)l_data[i] * newMax) / oldMax); } } component->prec = precision; } void scale_component(opj_image_comp_t* component, OPJ_UINT32 precision) { int shift; OPJ_SIZE_T i, len; if (component->prec == precision) { return; } if (component->prec < precision) { scale_component_up(component, precision); return; } shift = (int)(component->prec - precision); len = (OPJ_SIZE_T)component->w * (OPJ_SIZE_T)component->h; if (component->sgnd) { OPJ_INT32* l_data = component->data; for (i = 0; i < len; ++i) { l_data[i] >>= shift; } } else { OPJ_UINT32* l_data = (OPJ_UINT32*)component->data; for (i = 0; i < len; ++i) { l_data[i] >>= shift; } } component->prec = precision; } /* planar / interleaved conversions */ /* used by PNG/TIFF */ static void convert_32s_C1P1(const OPJ_INT32* pSrc, OPJ_INT32* const* pDst, OPJ_SIZE_T length) { memcpy(pDst[0], pSrc, length * sizeof(OPJ_INT32)); } static void convert_32s_C2P2(const OPJ_INT32* pSrc, OPJ_INT32* const* pDst, OPJ_SIZE_T length) { OPJ_SIZE_T i; OPJ_INT32* pDst0 = pDst[0]; OPJ_INT32* pDst1 = pDst[1]; for (i = 0; i < length; i++) { pDst0[i] = pSrc[2 * i + 0]; pDst1[i] = pSrc[2 * i + 1]; } } static void convert_32s_C3P3(const OPJ_INT32* pSrc, OPJ_INT32* const* pDst, OPJ_SIZE_T length) { OPJ_SIZE_T i; OPJ_INT32* pDst0 = pDst[0]; OPJ_INT32* pDst1 = pDst[1]; OPJ_INT32* pDst2 = pDst[2]; for (i = 0; i < length; i++) { pDst0[i] = pSrc[3 * i + 0]; pDst1[i] = pSrc[3 * i + 1]; pDst2[i] = pSrc[3 * i + 2]; } } static void convert_32s_C4P4(const OPJ_INT32* pSrc, OPJ_INT32* const* pDst, OPJ_SIZE_T length) { OPJ_SIZE_T i; OPJ_INT32* pDst0 = pDst[0]; OPJ_INT32* pDst1 = pDst[1]; OPJ_INT32* pDst2 = pDst[2]; OPJ_INT32* pDst3 = pDst[3]; for (i = 0; i < length; i++) { pDst0[i] = pSrc[4 * i + 0]; pDst1[i] = pSrc[4 * i + 1]; pDst2[i] = pSrc[4 * i + 2]; pDst3[i] = pSrc[4 * i + 3]; } } const convert_32s_CXPX convert_32s_CXPX_LUT[5] = { NULL, convert_32s_C1P1, convert_32s_C2P2, convert_32s_C3P3, convert_32s_C4P4 }; static void convert_32s_P1C1(OPJ_INT32 const* const* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length, OPJ_INT32 adjust) { OPJ_SIZE_T i; const OPJ_INT32* pSrc0 = pSrc[0]; for (i = 0; i < length; i++) { pDst[i] = pSrc0[i] + adjust; } } static void convert_32s_P2C2(OPJ_INT32 const* const* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length, OPJ_INT32 adjust) { OPJ_SIZE_T i; const OPJ_INT32* pSrc0 = pSrc[0]; const OPJ_INT32* pSrc1 = pSrc[1]; for (i = 0; i < length; i++) { pDst[2 * i + 0] = pSrc0[i] + adjust; pDst[2 * i + 1] = pSrc1[i] + adjust; } } static void convert_32s_P3C3(OPJ_INT32 const* const* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length, OPJ_INT32 adjust) { OPJ_SIZE_T i; const OPJ_INT32* pSrc0 = pSrc[0]; const OPJ_INT32* pSrc1 = pSrc[1]; const OPJ_INT32* pSrc2 = pSrc[2]; for (i = 0; i < length; i++) { pDst[3 * i + 0] = pSrc0[i] + adjust; pDst[3 * i + 1] = pSrc1[i] + adjust; pDst[3 * i + 2] = pSrc2[i] + adjust; } } static void convert_32s_P4C4(OPJ_INT32 const* const* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length, OPJ_INT32 adjust) { OPJ_SIZE_T i; const OPJ_INT32* pSrc0 = pSrc[0]; const OPJ_INT32* pSrc1 = pSrc[1]; const OPJ_INT32* pSrc2 = pSrc[2]; const OPJ_INT32* pSrc3 = pSrc[3]; for (i = 0; i < length; i++) { pDst[4 * i + 0] = pSrc0[i] + adjust; pDst[4 * i + 1] = pSrc1[i] + adjust; pDst[4 * i + 2] = pSrc2[i] + adjust; pDst[4 * i + 3] = pSrc3[i] + adjust; } } const convert_32s_PXCX convert_32s_PXCX_LUT[5] = { NULL, convert_32s_P1C1, convert_32s_P2C2, convert_32s_P3C3, convert_32s_P4C4 }; /* bit depth conversions */ /* used by PNG/TIFF up to 8bpp */ static void convert_1u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length) { OPJ_SIZE_T i; for (i = 0; i < (length & ~(OPJ_SIZE_T)7U); i += 8U) { OPJ_UINT32 val = *pSrc++; pDst[i + 0] = (OPJ_INT32)(val >> 7); pDst[i + 1] = (OPJ_INT32)((val >> 6) & 0x1U); pDst[i + 2] = (OPJ_INT32)((val >> 5) & 0x1U); pDst[i + 3] = (OPJ_INT32)((val >> 4) & 0x1U); pDst[i + 4] = (OPJ_INT32)((val >> 3) & 0x1U); pDst[i + 5] = (OPJ_INT32)((val >> 2) & 0x1U); pDst[i + 6] = (OPJ_INT32)((val >> 1) & 0x1U); pDst[i + 7] = (OPJ_INT32)(val & 0x1U); } if (length & 7U) { OPJ_UINT32 val = *pSrc++; length = length & 7U; pDst[i + 0] = (OPJ_INT32)(val >> 7); if (length > 1U) { pDst[i + 1] = (OPJ_INT32)((val >> 6) & 0x1U); if (length > 2U) { pDst[i + 2] = (OPJ_INT32)((val >> 5) & 0x1U); if (length > 3U) { pDst[i + 3] = (OPJ_INT32)((val >> 4) & 0x1U); if (length > 4U) { pDst[i + 4] = (OPJ_INT32)((val >> 3) & 0x1U); if (length > 5U) { pDst[i + 5] = (OPJ_INT32)((val >> 2) & 0x1U); if (length > 6U) { pDst[i + 6] = (OPJ_INT32)((val >> 1) & 0x1U); } } } } } } } } static void convert_2u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length) { OPJ_SIZE_T i; for (i = 0; i < (length & ~(OPJ_SIZE_T)3U); i += 4U) { OPJ_UINT32 val = *pSrc++; pDst[i + 0] = (OPJ_INT32)(val >> 6); pDst[i + 1] = (OPJ_INT32)((val >> 4) & 0x3U); pDst[i + 2] = (OPJ_INT32)((val >> 2) & 0x3U); pDst[i + 3] = (OPJ_INT32)(val & 0x3U); } if (length & 3U) { OPJ_UINT32 val = *pSrc++; length = length & 3U; pDst[i + 0] = (OPJ_INT32)(val >> 6); if (length > 1U) { pDst[i + 1] = (OPJ_INT32)((val >> 4) & 0x3U); if (length > 2U) { pDst[i + 2] = (OPJ_INT32)((val >> 2) & 0x3U); } } } } static void convert_4u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length) { OPJ_SIZE_T i; for (i = 0; i < (length & ~(OPJ_SIZE_T)1U); i += 2U) { OPJ_UINT32 val = *pSrc++; pDst[i + 0] = (OPJ_INT32)(val >> 4); pDst[i + 1] = (OPJ_INT32)(val & 0xFU); } if (length & 1U) { OPJ_UINT8 val = *pSrc++; pDst[i + 0] = (OPJ_INT32)(val >> 4); } } static void convert_6u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length) { OPJ_SIZE_T i; for (i = 0; i < (length & ~(OPJ_SIZE_T)3U); i += 4U) { OPJ_UINT32 val0 = *pSrc++; OPJ_UINT32 val1 = *pSrc++; OPJ_UINT32 val2 = *pSrc++; pDst[i + 0] = (OPJ_INT32)(val0 >> 2); pDst[i + 1] = (OPJ_INT32)(((val0 & 0x3U) << 4) | (val1 >> 4)); pDst[i + 2] = (OPJ_INT32)(((val1 & 0xFU) << 2) | (val2 >> 6)); pDst[i + 3] = (OPJ_INT32)(val2 & 0x3FU); } if (length & 3U) { OPJ_UINT32 val0 = *pSrc++; length = length & 3U; pDst[i + 0] = (OPJ_INT32)(val0 >> 2); if (length > 1U) { OPJ_UINT32 val1 = *pSrc++; pDst[i + 1] = (OPJ_INT32)(((val0 & 0x3U) << 4) | (val1 >> 4)); if (length > 2U) { OPJ_UINT32 val2 = *pSrc++; pDst[i + 2] = (OPJ_INT32)(((val1 & 0xFU) << 2) | (val2 >> 6)); } } } } static void convert_8u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length) { OPJ_SIZE_T i; for (i = 0; i < length; i++) { pDst[i] = pSrc[i]; } } const convert_XXx32s_C1R convert_XXu32s_C1R_LUT[9] = { NULL, convert_1u32s_C1R, convert_2u32s_C1R, NULL, convert_4u32s_C1R, NULL, convert_6u32s_C1R, NULL, convert_8u32s_C1R }; static void convert_32s1u_C1R(const OPJ_INT32* pSrc, OPJ_BYTE* pDst, OPJ_SIZE_T length) { OPJ_SIZE_T i; for (i = 0; i < (length & ~(OPJ_SIZE_T)7U); i += 8U) { OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i + 0]; OPJ_UINT32 src1 = (OPJ_UINT32)pSrc[i + 1]; OPJ_UINT32 src2 = (OPJ_UINT32)pSrc[i + 2]; OPJ_UINT32 src3 = (OPJ_UINT32)pSrc[i + 3]; OPJ_UINT32 src4 = (OPJ_UINT32)pSrc[i + 4]; OPJ_UINT32 src5 = (OPJ_UINT32)pSrc[i + 5]; OPJ_UINT32 src6 = (OPJ_UINT32)pSrc[i + 6]; OPJ_UINT32 src7 = (OPJ_UINT32)pSrc[i + 7]; *pDst++ = (OPJ_BYTE)((src0 << 7) | (src1 << 6) | (src2 << 5) | (src3 << 4) | (src4 << 3) | (src5 << 2) | (src6 << 1) | src7); } if (length & 7U) { OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i + 0]; OPJ_UINT32 src1 = 0U; OPJ_UINT32 src2 = 0U; OPJ_UINT32 src3 = 0U; OPJ_UINT32 src4 = 0U; OPJ_UINT32 src5 = 0U; OPJ_UINT32 src6 = 0U; length = length & 7U; if (length > 1U) { src1 = (OPJ_UINT32)pSrc[i + 1]; if (length > 2U) { src2 = (OPJ_UINT32)pSrc[i + 2]; if (length > 3U) { src3 = (OPJ_UINT32)pSrc[i + 3]; if (length > 4U) { src4 = (OPJ_UINT32)pSrc[i + 4]; if (length > 5U) { src5 = (OPJ_UINT32)pSrc[i + 5]; if (length > 6U) { src6 = (OPJ_UINT32)pSrc[i + 6]; } } } } } } *pDst++ = (OPJ_BYTE)((src0 << 7) | (src1 << 6) | (src2 << 5) | (src3 << 4) | (src4 << 3) | (src5 << 2) | (src6 << 1)); } } static void convert_32s2u_C1R(const OPJ_INT32* pSrc, OPJ_BYTE* pDst, OPJ_SIZE_T length) { OPJ_SIZE_T i; for (i = 0; i < (length & ~(OPJ_SIZE_T)3U); i += 4U) { OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i + 0]; OPJ_UINT32 src1 = (OPJ_UINT32)pSrc[i + 1]; OPJ_UINT32 src2 = (OPJ_UINT32)pSrc[i + 2]; OPJ_UINT32 src3 = (OPJ_UINT32)pSrc[i + 3]; *pDst++ = (OPJ_BYTE)((src0 << 6) | (src1 << 4) | (src2 << 2) | src3); } if (length & 3U) { OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i + 0]; OPJ_UINT32 src1 = 0U; OPJ_UINT32 src2 = 0U; length = length & 3U; if (length > 1U) { src1 = (OPJ_UINT32)pSrc[i + 1]; if (length > 2U) { src2 = (OPJ_UINT32)pSrc[i + 2]; } } *pDst++ = (OPJ_BYTE)((src0 << 6) | (src1 << 4) | (src2 << 2)); } } static void convert_32s4u_C1R(const OPJ_INT32* pSrc, OPJ_BYTE* pDst, OPJ_SIZE_T length) { OPJ_SIZE_T i; for (i = 0; i < (length & ~(OPJ_SIZE_T)1U); i += 2U) { OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i + 0]; OPJ_UINT32 src1 = (OPJ_UINT32)pSrc[i + 1]; *pDst++ = (OPJ_BYTE)((src0 << 4) | src1); } if (length & 1U) { OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i + 0]; *pDst++ = (OPJ_BYTE)((src0 << 4)); } } static void convert_32s6u_C1R(const OPJ_INT32* pSrc, OPJ_BYTE* pDst, OPJ_SIZE_T length) { OPJ_SIZE_T i; for (i = 0; i < (length & ~(OPJ_SIZE_T)3U); i += 4U) { OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i + 0]; OPJ_UINT32 src1 = (OPJ_UINT32)pSrc[i + 1]; OPJ_UINT32 src2 = (OPJ_UINT32)pSrc[i + 2]; OPJ_UINT32 src3 = (OPJ_UINT32)pSrc[i + 3]; *pDst++ = (OPJ_BYTE)((src0 << 2) | (src1 >> 4)); *pDst++ = (OPJ_BYTE)(((src1 & 0xFU) << 4) | (src2 >> 2)); *pDst++ = (OPJ_BYTE)(((src2 & 0x3U) << 6) | src3); } if (length & 3U) { OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i + 0]; OPJ_UINT32 src1 = 0U; OPJ_UINT32 src2 = 0U; length = length & 3U; if (length > 1U) { src1 = (OPJ_UINT32)pSrc[i + 1]; if (length > 2U) { src2 = (OPJ_UINT32)pSrc[i + 2]; } } *pDst++ = (OPJ_BYTE)((src0 << 2) | (src1 >> 4)); if (length > 1U) { *pDst++ = (OPJ_BYTE)(((src1 & 0xFU) << 4) | (src2 >> 2)); if (length > 2U) { *pDst++ = (OPJ_BYTE)(((src2 & 0x3U) << 6)); } } } } static void convert_32s8u_C1R(const OPJ_INT32* pSrc, OPJ_BYTE* pDst, OPJ_SIZE_T length) { OPJ_SIZE_T i; for (i = 0; i < length; ++i) { pDst[i] = (OPJ_BYTE)pSrc[i]; } } const convert_32sXXx_C1R convert_32sXXu_C1R_LUT[9] = { NULL, convert_32s1u_C1R, convert_32s2u_C1R, NULL, convert_32s4u_C1R, NULL, convert_32s6u_C1R, NULL, convert_32s8u_C1R }; /* -->> -->> -->> -->> TGA IMAGE FORMAT <<-- <<-- <<-- <<-- */ #ifdef INFORMATION_ONLY /* TGA header definition. */ struct tga_header { unsigned char id_length; /* Image id field length */ unsigned char colour_map_type; /* Colour map type */ unsigned char image_type; /* Image type */ /* ** Colour map specification */ unsigned short colour_map_index; /* First entry index */ unsigned short colour_map_length; /* Colour map length */ unsigned char colour_map_entry_size; /* Colour map entry size */ /* ** Image specification */ unsigned short x_origin; /* x origin of image */ unsigned short y_origin; /* u origin of image */ unsigned short image_width; /* Image width */ unsigned short image_height; /* Image height */ unsigned char pixel_depth; /* Pixel depth */ unsigned char image_desc; /* Image descriptor */ }; #endif /* INFORMATION_ONLY */ /* Returns a ushort from a little-endian serialized value */ static unsigned short get_tga_ushort(const unsigned char *data) { return (unsigned short)(data[0] | (data[1] << 8)); } #define TGA_HEADER_SIZE 18 static int tga_readheader(FILE *fp, unsigned int *bits_per_pixel, unsigned int *width, unsigned int *height, int *flip_image) { int palette_size; unsigned char tga[TGA_HEADER_SIZE]; unsigned char id_len, /*cmap_type,*/ image_type; unsigned char pixel_depth, image_desc; unsigned short /*cmap_index,*/ cmap_len, cmap_entry_size; unsigned short /*x_origin, y_origin,*/ image_w, image_h; if (!bits_per_pixel || !width || !height || !flip_image) { return 0; } if (fread(tga, TGA_HEADER_SIZE, 1, fp) != 1) { fprintf(stderr, "\nError: fread return a number of element different from the expected.\n"); return 0 ; } id_len = tga[0]; /*cmap_type = tga[1];*/ image_type = tga[2]; /*cmap_index = get_tga_ushort(&tga[3]);*/ cmap_len = get_tga_ushort(&tga[5]); cmap_entry_size = tga[7]; #if 0 x_origin = get_tga_ushort(&tga[8]); y_origin = get_tga_ushort(&tga[10]); #endif image_w = get_tga_ushort(&tga[12]); image_h = get_tga_ushort(&tga[14]); pixel_depth = tga[16]; image_desc = tga[17]; *bits_per_pixel = (unsigned int)pixel_depth; *width = (unsigned int)image_w; *height = (unsigned int)image_h; /* Ignore tga identifier, if present ... */ if (id_len) { unsigned char *id = (unsigned char *) malloc(id_len); if (id == 0) { fprintf(stderr, "tga_readheader: memory out\n"); return 0; } if (!fread(id, id_len, 1, fp)) { fprintf(stderr, "\nError: fread return a number of element different from the expected.\n"); free(id); return 0 ; } free(id); } /* Test for compressed formats ... not yet supported ... // Note :- 9 - RLE encoded palettized. // 10 - RLE encoded RGB. */ if (image_type > 8) { fprintf(stderr, "Sorry, compressed tga files are not currently supported.\n"); return 0 ; } *flip_image = !(image_desc & 32); /* Palettized formats are not yet supported, skip over the palette, if present ... */ palette_size = cmap_len * (cmap_entry_size / 8); if (palette_size > 0) { fprintf(stderr, "File contains a palette - not yet supported."); fseek(fp, palette_size, SEEK_CUR); } return 1; } #ifdef OPJ_BIG_ENDIAN static INLINE OPJ_UINT16 swap16(OPJ_UINT16 x) { return (OPJ_UINT16)(((x & 0x00ffU) << 8) | ((x & 0xff00U) >> 8)); } #endif static int tga_writeheader(FILE *fp, int bits_per_pixel, int width, int height, OPJ_BOOL flip_image) { OPJ_UINT16 image_w, image_h, us0; unsigned char uc0, image_type; unsigned char pixel_depth, image_desc; if (!bits_per_pixel || !width || !height) { return 0; } pixel_depth = 0; if (bits_per_pixel < 256) { pixel_depth = (unsigned char)bits_per_pixel; } else { fprintf(stderr, "ERROR: Wrong bits per pixel inside tga_header"); return 0; } uc0 = 0; if (fwrite(&uc0, 1, 1, fp) != 1) { goto fails; /* id_length */ } if (fwrite(&uc0, 1, 1, fp) != 1) { goto fails; /* colour_map_type */ } image_type = 2; /* Uncompressed. */ if (fwrite(&image_type, 1, 1, fp) != 1) { goto fails; } us0 = 0; if (fwrite(&us0, 2, 1, fp) != 1) { goto fails; /* colour_map_index */ } if (fwrite(&us0, 2, 1, fp) != 1) { goto fails; /* colour_map_length */ } if (fwrite(&uc0, 1, 1, fp) != 1) { goto fails; /* colour_map_entry_size */ } if (fwrite(&us0, 2, 1, fp) != 1) { goto fails; /* x_origin */ } if (fwrite(&us0, 2, 1, fp) != 1) { goto fails; /* y_origin */ } image_w = (unsigned short)width; image_h = (unsigned short) height; #ifndef OPJ_BIG_ENDIAN if (fwrite(&image_w, 2, 1, fp) != 1) { goto fails; } if (fwrite(&image_h, 2, 1, fp) != 1) { goto fails; } #else image_w = swap16(image_w); image_h = swap16(image_h); if (fwrite(&image_w, 2, 1, fp) != 1) { goto fails; } if (fwrite(&image_h, 2, 1, fp) != 1) { goto fails; } #endif if (fwrite(&pixel_depth, 1, 1, fp) != 1) { goto fails; } image_desc = 8; /* 8 bits per component. */ if (flip_image) { image_desc |= 32; } if (fwrite(&image_desc, 1, 1, fp) != 1) { goto fails; } return 1; fails: fputs("\nwrite_tgaheader: write ERROR\n", stderr); return 0; } opj_image_t* tgatoimage(const char *filename, opj_cparameters_t *parameters) { FILE *f; opj_image_t *image; unsigned int image_width, image_height, pixel_bit_depth; unsigned int x, y; int flip_image = 0; opj_image_cmptparm_t cmptparm[4]; /* maximum 4 components */ int numcomps; OPJ_COLOR_SPACE color_space; OPJ_BOOL mono ; OPJ_BOOL save_alpha; int subsampling_dx, subsampling_dy; int i; f = fopen(filename, "rb"); if (!f) { fprintf(stderr, "Failed to open %s for reading !!\n", filename); return 0; } if (!tga_readheader(f, &pixel_bit_depth, &image_width, &image_height, &flip_image)) { fclose(f); return NULL; } /* We currently only support 24 & 32 bit tga's ... */ if (!((pixel_bit_depth == 24) || (pixel_bit_depth == 32))) { fclose(f); return NULL; } /* initialize image components */ memset(&cmptparm[0], 0, 4 * sizeof(opj_image_cmptparm_t)); mono = (pixel_bit_depth == 8) || (pixel_bit_depth == 16); /* Mono with & without alpha. */ save_alpha = (pixel_bit_depth == 16) || (pixel_bit_depth == 32); /* Mono with alpha, or RGB with alpha */ if (mono) { color_space = OPJ_CLRSPC_GRAY; numcomps = save_alpha ? 2 : 1; } else { numcomps = save_alpha ? 4 : 3; color_space = OPJ_CLRSPC_SRGB; } /* If the declared file size is > 10 MB, check that the file is big */ /* enough to avoid excessive memory allocations */ if (image_height != 0 && image_width > 10000000U / image_height / (OPJ_UINT32)numcomps) { char ch; OPJ_UINT64 expected_file_size = (OPJ_UINT64)image_width * image_height * (OPJ_UINT32)numcomps; long curpos = ftell(f); if (expected_file_size > (OPJ_UINT64)INT_MAX) { expected_file_size = (OPJ_UINT64)INT_MAX; } fseek(f, (long)expected_file_size - 1, SEEK_SET); if (fread(&ch, 1, 1, f) != 1) { fclose(f); return NULL; } fseek(f, curpos, SEEK_SET); } subsampling_dx = parameters->subsampling_dx; subsampling_dy = parameters->subsampling_dy; for (i = 0; i < numcomps; i++) { cmptparm[i].prec = 8; cmptparm[i].sgnd = 0; cmptparm[i].dx = (OPJ_UINT32)subsampling_dx; cmptparm[i].dy = (OPJ_UINT32)subsampling_dy; cmptparm[i].w = image_width; cmptparm[i].h = image_height; } /* create the image */ image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space); if (!image) { fclose(f); return NULL; } /* set image offset and reference grid */ image->x0 = (OPJ_UINT32)parameters->image_offset_x0; image->y0 = (OPJ_UINT32)parameters->image_offset_y0; image->x1 = !image->x0 ? (OPJ_UINT32)(image_width - 1) * (OPJ_UINT32)subsampling_dx + 1 : image->x0 + (OPJ_UINT32)(image_width - 1) * (OPJ_UINT32)subsampling_dx + 1; image->y1 = !image->y0 ? (OPJ_UINT32)(image_height - 1) * (OPJ_UINT32)subsampling_dy + 1 : image->y0 + (OPJ_UINT32)(image_height - 1) * (OPJ_UINT32)subsampling_dy + 1; /* set image data */ for (y = 0; y < image_height; y++) { int index; if (flip_image) { index = (int)((image_height - y - 1) * image_width); } else { index = (int)(y * image_width); } if (numcomps == 3) { for (x = 0; x < image_width; x++) { unsigned char r, g, b; if (!fread(&b, 1, 1, f)) { fprintf(stderr, "\nError: fread return a number of element different from the expected.\n"); opj_image_destroy(image); fclose(f); return NULL; } if (!fread(&g, 1, 1, f)) { fprintf(stderr, "\nError: fread return a number of element different from the expected.\n"); opj_image_destroy(image); fclose(f); return NULL; } if (!fread(&r, 1, 1, f)) { fprintf(stderr, "\nError: fread return a number of element different from the expected.\n"); opj_image_destroy(image); fclose(f); return NULL; } image->comps[0].data[index] = r; image->comps[1].data[index] = g; image->comps[2].data[index] = b; index++; } } else if (numcomps == 4) { for (x = 0; x < image_width; x++) { unsigned char r, g, b, a; if (!fread(&b, 1, 1, f)) { fprintf(stderr, "\nError: fread return a number of element different from the expected.\n"); opj_image_destroy(image); fclose(f); return NULL; } if (!fread(&g, 1, 1, f)) { fprintf(stderr, "\nError: fread return a number of element different from the expected.\n"); opj_image_destroy(image); fclose(f); return NULL; } if (!fread(&r, 1, 1, f)) { fprintf(stderr, "\nError: fread return a number of element different from the expected.\n"); opj_image_destroy(image); fclose(f); return NULL; } if (!fread(&a, 1, 1, f)) { fprintf(stderr, "\nError: fread return a number of element different from the expected.\n"); opj_image_destroy(image); fclose(f); return NULL; } image->comps[0].data[index] = r; image->comps[1].data[index] = g; image->comps[2].data[index] = b; image->comps[3].data[index] = a; index++; } } else { fprintf(stderr, "Currently unsupported bit depth : %s\n", filename); } } fclose(f); return image; } int imagetotga(opj_image_t * image, const char *outfile) { int width, height, bpp, x, y; OPJ_BOOL write_alpha; unsigned int i; int adjustR, adjustG = 0, adjustB = 0, fails; unsigned int alpha_channel; float r, g, b, a; unsigned char value; float scale; FILE *fdest; size_t res; fails = 1; fdest = fopen(outfile, "wb"); if (!fdest) { fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile); return 1; } for (i = 0; i < image->numcomps - 1; i++) { if ((image->comps[0].dx != image->comps[i + 1].dx) || (image->comps[0].dy != image->comps[i + 1].dy) || (image->comps[0].prec != image->comps[i + 1].prec) || (image->comps[0].sgnd != image->comps[i + 1].sgnd)) { fclose(fdest); fprintf(stderr, "Unable to create a tga file with such J2K image charateristics.\n"); return 1; } } width = (int)image->comps[0].w; height = (int)image->comps[0].h; /* Mono with alpha, or RGB with alpha. */ write_alpha = (image->numcomps == 2) || (image->numcomps == 4); /* Write TGA header */ bpp = write_alpha ? 32 : 24; if (!tga_writeheader(fdest, bpp, width, height, OPJ_TRUE)) { goto fin; } alpha_channel = image->numcomps - 1; scale = 255.0f / (float)((1 << image->comps[0].prec) - 1); adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0); if (image->numcomps >= 3) { adjustG = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0); adjustB = (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0); } for (y = 0; y < height; y++) { unsigned int index = (unsigned int)(y * width); for (x = 0; x < width; x++, index++) { r = (float)(image->comps[0].data[index] + adjustR); if (image->numcomps > 2) { g = (float)(image->comps[1].data[index] + adjustG); b = (float)(image->comps[2].data[index] + adjustB); } else { /* Greyscale ... */ g = r; b = r; } /* TGA format writes BGR ... */ if (b > 255.) { b = 255.; } else if (b < 0.) { b = 0.; } value = (unsigned char)(b * scale); res = fwrite(&value, 1, 1, fdest); if (res < 1) { fprintf(stderr, "failed to write 1 byte for %s\n", outfile); goto fin; } if (g > 255.) { g = 255.; } else if (g < 0.) { g = 0.; } value = (unsigned char)(g * scale); res = fwrite(&value, 1, 1, fdest); if (res < 1) { fprintf(stderr, "failed to write 1 byte for %s\n", outfile); goto fin; } if (r > 255.) { r = 255.; } else if (r < 0.) { r = 0.; } value = (unsigned char)(r * scale); res = fwrite(&value, 1, 1, fdest); if (res < 1) { fprintf(stderr, "failed to write 1 byte for %s\n", outfile); goto fin; } if (write_alpha) { a = (float)(image->comps[alpha_channel].data[index]); if (a > 255.) { a = 255.; } else if (a < 0.) { a = 0.; } value = (unsigned char)(a * scale); res = fwrite(&value, 1, 1, fdest); if (res < 1) { fprintf(stderr, "failed to write 1 byte for %s\n", outfile); goto fin; } } } } fails = 0; fin: fclose(fdest); return fails; } /* -->> -->> -->> -->> PGX IMAGE FORMAT <<-- <<-- <<-- <<-- */ static unsigned char readuchar(FILE * f) { unsigned char c1; if (!fread(&c1, 1, 1, f)) { fprintf(stderr, "\nError: fread return a number of element different from the expected.\n"); return 0; } return c1; } static unsigned short readushort(FILE * f, int bigendian) { unsigned char c1, c2; if (!fread(&c1, 1, 1, f)) { fprintf(stderr, "\nError: fread return a number of element different from the expected.\n"); return 0; } if (!fread(&c2, 1, 1, f)) { fprintf(stderr, "\nError: fread return a number of element different from the expected.\n"); return 0; } if (bigendian) { return (unsigned short)((c1 << 8) + c2); } else { return (unsigned short)((c2 << 8) + c1); } } static unsigned int readuint(FILE * f, int bigendian) { unsigned char c1, c2, c3, c4; if (!fread(&c1, 1, 1, f)) { fprintf(stderr, "\nError: fread return a number of element different from the expected.\n"); return 0; } if (!fread(&c2, 1, 1, f)) { fprintf(stderr, "\nError: fread return a number of element different from the expected.\n"); return 0; } if (!fread(&c3, 1, 1, f)) { fprintf(stderr, "\nError: fread return a number of element different from the expected.\n"); return 0; } if (!fread(&c4, 1, 1, f)) { fprintf(stderr, "\nError: fread return a number of element different from the expected.\n"); return 0; } if (bigendian) { return (unsigned int)(c1 << 24) + (unsigned int)(c2 << 16) + (unsigned int)( c3 << 8) + c4; } else { return (unsigned int)(c4 << 24) + (unsigned int)(c3 << 16) + (unsigned int)( c2 << 8) + c1; } } opj_image_t* pgxtoimage(const char *filename, opj_cparameters_t *parameters) { FILE *f = NULL; int w, h, prec; int i, numcomps, max; OPJ_COLOR_SPACE color_space; opj_image_cmptparm_t cmptparm; /* maximum of 1 component */ opj_image_t * image = NULL; int adjustS, ushift, dshift, force8; OPJ_UINT64 expected_file_size; char endian1, endian2, sign; char signtmp[32]; char temp[32]; int bigendian; opj_image_comp_t *comp = NULL; numcomps = 1; color_space = OPJ_CLRSPC_GRAY; memset(&cmptparm, 0, sizeof(opj_image_cmptparm_t)); max = 0; f = fopen(filename, "rb"); if (!f) { fprintf(stderr, "Failed to open %s for reading !\n", filename); return NULL; } fseek(f, 0, SEEK_SET); if (fscanf(f, "PG%31[ \t]%c%c%31[ \t+-]%d%31[ \t]%d%31[ \t]%d", temp, &endian1, &endian2, signtmp, &prec, temp, &w, temp, &h) != 9) { fclose(f); fprintf(stderr, "ERROR: Failed to read the right number of element from the fscanf() function!\n"); return NULL; } i = 0; sign = '+'; while (signtmp[i] != '\0') { if (signtmp[i] == '-') { sign = '-'; } i++; } fgetc(f); if (endian1 == 'M' && endian2 == 'L') { bigendian = 1; } else if (endian2 == 'M' && endian1 == 'L') { bigendian = 0; } else { fclose(f); fprintf(stderr, "Bad pgx header, please check input file\n"); return NULL; } if (w < 1 || h < 1 || prec < 1 || prec > 31) { fclose(f); fprintf(stderr, "Bad pgx header, please check input file\n"); return NULL; } expected_file_size = (OPJ_UINT64)w * (OPJ_UINT64)h * (prec > 16 ? 4 : prec > 8 ? 2 : 1); if (expected_file_size > 10000000U) { char ch; long curpos = ftell(f); if (expected_file_size > (OPJ_UINT64)INT_MAX) { expected_file_size = (OPJ_UINT64)INT_MAX; } fseek(f, (long)expected_file_size - 1, SEEK_SET); if (fread(&ch, 1, 1, f) != 1) { fprintf(stderr, "File too short\n"); fclose(f); return NULL; } fseek(f, curpos, SEEK_SET); } /* initialize image component */ cmptparm.x0 = (OPJ_UINT32)parameters->image_offset_x0; cmptparm.y0 = (OPJ_UINT32)parameters->image_offset_y0; cmptparm.w = !cmptparm.x0 ? (OPJ_UINT32)((w - 1) * parameters->subsampling_dx + 1) : cmptparm.x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)parameters->subsampling_dx + 1; cmptparm.h = !cmptparm.y0 ? (OPJ_UINT32)((h - 1) * parameters->subsampling_dy + 1) : cmptparm.y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)parameters->subsampling_dy + 1; if (sign == '-') { cmptparm.sgnd = 1; } else { cmptparm.sgnd = 0; } if (prec < 8) { force8 = 1; ushift = 8 - prec; dshift = prec - ushift; if (cmptparm.sgnd) { adjustS = (1 << (prec - 1)); } else { adjustS = 0; } cmptparm.sgnd = 0; prec = 8; } else { ushift = dshift = force8 = adjustS = 0; } cmptparm.prec = (OPJ_UINT32)prec; cmptparm.dx = (OPJ_UINT32)parameters->subsampling_dx; cmptparm.dy = (OPJ_UINT32)parameters->subsampling_dy; /* create the image */ image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm, color_space); if (!image) { fclose(f); return NULL; } /* set image offset and reference grid */ image->x0 = cmptparm.x0; image->y0 = cmptparm.x0; image->x1 = cmptparm.w; image->y1 = cmptparm.h; /* set image data */ comp = &image->comps[0]; for (i = 0; i < w * h; i++) { int v; if (force8) { v = readuchar(f) + adjustS; v = (v << ushift) + (v >> dshift); comp->data[i] = (unsigned char)v; if (v > max) { max = v; } continue; } if (comp->prec == 8) { if (!comp->sgnd) { v = readuchar(f); } else { v = (char) readuchar(f); } } else if (comp->prec <= 16) { if (!comp->sgnd) { v = readushort(f, bigendian); } else { v = (short) readushort(f, bigendian); } } else { if (!comp->sgnd) { v = (int)readuint(f, bigendian); } else { v = (int) readuint(f, bigendian); } } if (v > max) { max = v; } comp->data[i] = v; } fclose(f); comp->prec = (OPJ_UINT32)int_floorlog2(max) + 1; return image; } #define CLAMP(x,a,b) ((x) < (a) ? (a) : ((x) > (b) ? (b) : (x))) static INLINE int clamp(const int value, const int prec, const int sgnd) { if (sgnd) { if (prec <= 8) { return CLAMP(value, -128, 127); } else if (prec <= 16) { return CLAMP(value, -32768, 32767); } else { return CLAMP(value, -2147483647 - 1, 2147483647); } } else { if (prec <= 8) { return CLAMP(value, 0, 255); } else if (prec <= 16) { return CLAMP(value, 0, 65535); } else { return value; /*CLAMP(value,0,4294967295);*/ } } } int imagetopgx(opj_image_t * image, const char *outfile) { int w, h; int i, j, fails = 1; unsigned int compno; FILE *fdest = NULL; for (compno = 0; compno < image->numcomps; compno++) { opj_image_comp_t *comp = &image->comps[compno]; char bname[256]; /* buffer for name */ char *name = bname; /* pointer */ int nbytes = 0; size_t res; const size_t olen = strlen(outfile); const size_t dotpos = olen - 4; const size_t total = dotpos + 1 + 1 + 4; /* '-' + '[1-3]' + '.pgx' */ if (outfile[dotpos] != '.') { /* `pgx` was recognized but there is no dot at expected position */ fprintf(stderr, "ERROR -> Impossible happen."); goto fin; } if (total > 256) { name = (char*)malloc(total + 1); if (name == NULL) { fprintf(stderr, "imagetopgx: memory out\n"); goto fin; } } memcpy(name, outfile, dotpos); sprintf(name + dotpos, "_%u.pgx", compno); fdest = fopen(name, "wb"); /* don't need name anymore */ if (!fdest) { fprintf(stderr, "ERROR -> failed to open %s for writing\n", name); if (total > 256) { free(name); } goto fin; } w = (int)image->comps[compno].w; h = (int)image->comps[compno].h; fprintf(fdest, "PG ML %c %d %d %d\n", comp->sgnd ? '-' : '+', comp->prec, w, h); if (comp->prec <= 8) { nbytes = 1; } else if (comp->prec <= 16) { nbytes = 2; } else { nbytes = 4; } if (nbytes == 1) { unsigned char* line_buffer = malloc((size_t)w); if (line_buffer == NULL) { fprintf(stderr, "Out of memory"); if (total > 256) { free(name); } goto fin; } for (j = 0; j < h; j++) { if (comp->prec == 8 && comp->sgnd == 0) { for (i = 0; i < w; i++) { line_buffer[i] = (unsigned char)CLAMP(image->comps[compno].data[j * w + i], 0, 255); } } else { for (i = 0; i < w; i++) { line_buffer[i] = (unsigned char) clamp(image->comps[compno].data[j * w + i], (int)comp->prec, (int)comp->sgnd); } } res = fwrite(line_buffer, 1, (size_t)w, fdest); if (res != (size_t)w) { fprintf(stderr, "failed to write %d bytes for %s\n", w, name); if (total > 256) { free(name); } free(line_buffer); goto fin; } } free(line_buffer); } else { for (i = 0; i < w * h; i++) { /* FIXME: clamp func is being called within a loop */ const int val = clamp(image->comps[compno].data[i], (int)comp->prec, (int)comp->sgnd); for (j = nbytes - 1; j >= 0; j--) { int v = (int)(val >> (j * 8)); unsigned char byte = (unsigned char)v; res = fwrite(&byte, 1, 1, fdest); if (res < 1) { fprintf(stderr, "failed to write 1 byte for %s\n", name); if (total > 256) { free(name); } goto fin; } } } } if (total > 256) { free(name); } fclose(fdest); fdest = NULL; } fails = 0; fin: if (fdest) { fclose(fdest); } return fails; } /* -->> -->> -->> -->> PNM IMAGE FORMAT <<-- <<-- <<-- <<-- */ struct pnm_header { int width, height, maxval, depth, format; char rgb, rgba, gray, graya, bw; char ok; }; static char *skip_white(char *s) { if (s != NULL) { while (*s) { if (*s == '\n' || *s == '\r') { return NULL; } if (isspace(*s)) { ++s; continue; } return s; } } return NULL; } static char *skip_int(char *start, int *out_n) { char *s; char c; *out_n = 0; s = skip_white(start); if (s == NULL) { return NULL; } start = s; while (*s) { if (!isdigit(*s)) { break; } ++s; } c = *s; *s = 0; *out_n = atoi(start); *s = c; return s; } static char *skip_idf(char *start, char out_idf[256]) { char *s; char c; s = skip_white(start); if (s == NULL) { return NULL; } start = s; while (*s) { if (isalpha(*s) || *s == '_') { ++s; continue; } break; } c = *s; *s = 0; strncpy(out_idf, start, 255); *s = c; return s; } static void read_pnm_header(FILE *reader, struct pnm_header *ph) { int format, end, ttype; char idf[256], type[256]; char line[256]; if (fgets(line, 250, reader) == NULL) { fprintf(stderr, "\nWARNING: fgets return a NULL value"); return; } if (line[0] != 'P') { fprintf(stderr, "read_pnm_header:PNM:magic P missing\n"); return; } format = atoi(line + 1); if (format < 1 || format > 7) { fprintf(stderr, "read_pnm_header:magic format %d invalid\n", format); return; } ph->format = format; ttype = end = 0; while (fgets(line, 250, reader)) { char *s; int allow_null = 0; if (*line == '#') { continue; } s = line; if (format == 7) { s = skip_idf(s, idf); if (s == NULL || *s == 0) { return; } if (strcmp(idf, "ENDHDR") == 0) { end = 1; break; } if (strcmp(idf, "WIDTH") == 0) { s = skip_int(s, &ph->width); if (s == NULL || *s == 0) { return; } continue; } if (strcmp(idf, "HEIGHT") == 0) { s = skip_int(s, &ph->height); if (s == NULL || *s == 0) { return; } continue; } if (strcmp(idf, "DEPTH") == 0) { s = skip_int(s, &ph->depth); if (s == NULL || *s == 0) { return; } continue; } if (strcmp(idf, "MAXVAL") == 0) { s = skip_int(s, &ph->maxval); if (s == NULL || *s == 0) { return; } continue; } if (strcmp(idf, "TUPLTYPE") == 0) { s = skip_idf(s, type); if (s == NULL || *s == 0) { return; } if (strcmp(type, "BLACKANDWHITE") == 0) { ph->bw = 1; ttype = 1; continue; } if (strcmp(type, "GRAYSCALE") == 0) { ph->gray = 1; ttype = 1; continue; } if (strcmp(type, "GRAYSCALE_ALPHA") == 0) { ph->graya = 1; ttype = 1; continue; } if (strcmp(type, "RGB") == 0) { ph->rgb = 1; ttype = 1; continue; } if (strcmp(type, "RGB_ALPHA") == 0) { ph->rgba = 1; ttype = 1; continue; } fprintf(stderr, "read_pnm_header:unknown P7 TUPLTYPE %s\n", type); return; } fprintf(stderr, "read_pnm_header:unknown P7 idf %s\n", idf); return; } /* if(format == 7) */ /* Here format is in range [1,6] */ if (ph->width == 0) { s = skip_int(s, &ph->width); if ((s == NULL) || (*s == 0) || (ph->width < 1)) { return; } allow_null = 1; } if (ph->height == 0) { s = skip_int(s, &ph->height); if ((s == NULL) && allow_null) { continue; } if ((s == NULL) || (*s == 0) || (ph->height < 1)) { return; } if (format == 1 || format == 4) { break; } allow_null = 1; } /* here, format is in P2, P3, P5, P6 */ s = skip_int(s, &ph->maxval); if ((s == NULL) && allow_null) { continue; } if ((s == NULL) || (*s == 0)) { return; } break; }/* while(fgets( ) */ if (format == 2 || format == 3 || format > 4) { if (ph->maxval < 1 || ph->maxval > 65535) { return; } } if (ph->width < 1 || ph->height < 1) { return; } if (format == 7) { if (!end) { fprintf(stderr, "read_pnm_header:P7 without ENDHDR\n"); return; } if (ph->depth < 1 || ph->depth > 4) { return; } if (ttype) { ph->ok = 1; } } else { ph->ok = 1; if (format == 1 || format == 4) { ph->maxval = 255; } } } static int has_prec(int val) { if (val < 2) { return 1; } if (val < 4) { return 2; } if (val < 8) { return 3; } if (val < 16) { return 4; } if (val < 32) { return 5; } if (val < 64) { return 6; } if (val < 128) { return 7; } if (val < 256) { return 8; } if (val < 512) { return 9; } if (val < 1024) { return 10; } if (val < 2048) { return 11; } if (val < 4096) { return 12; } if (val < 8192) { return 13; } if (val < 16384) { return 14; } if (val < 32768) { return 15; } return 16; } opj_image_t* pnmtoimage(const char *filename, opj_cparameters_t *parameters) { int subsampling_dx = parameters->subsampling_dx; int subsampling_dy = parameters->subsampling_dy; FILE *fp = NULL; int i, compno, numcomps, w, h, prec, format; OPJ_COLOR_SPACE color_space; opj_image_cmptparm_t cmptparm[4]; /* RGBA: max. 4 components */ opj_image_t * image = NULL; struct pnm_header header_info; if ((fp = fopen(filename, "rb")) == NULL) { fprintf(stderr, "pnmtoimage:Failed to open %s for reading!\n", filename); return NULL; } memset(&header_info, 0, sizeof(struct pnm_header)); read_pnm_header(fp, &header_info); if (!header_info.ok) { fclose(fp); return NULL; } if (header_info.width == 0 || header_info.height == 0 || (header_info.format == 7 && header_info.depth == 0)) { fclose(fp); return NULL; } /* This limitation could be removed by making sure to use size_t below */ if (header_info.height != 0 && header_info.width > INT_MAX / header_info.height) { fprintf(stderr, "pnmtoimage:Image %dx%d too big!\n", header_info.width, header_info.height); fclose(fp); return NULL; } format = header_info.format; switch (format) { case 1: /* ascii bitmap */ case 4: /* raw bitmap */ numcomps = 1; break; case 2: /* ascii greymap */ case 5: /* raw greymap */ numcomps = 1; break; case 3: /* ascii pixmap */ case 6: /* raw pixmap */ numcomps = 3; break; case 7: /* arbitrary map */ numcomps = header_info.depth; break; default: fclose(fp); return NULL; } if (numcomps < 3) { color_space = OPJ_CLRSPC_GRAY; /* GRAY, GRAYA */ } else { color_space = OPJ_CLRSPC_SRGB; /* RGB, RGBA */ } prec = has_prec(header_info.maxval); if (prec < 8) { prec = 8; } w = header_info.width; h = header_info.height; subsampling_dx = parameters->subsampling_dx; subsampling_dy = parameters->subsampling_dy; memset(&cmptparm[0], 0, (size_t)numcomps * sizeof(opj_image_cmptparm_t)); for (i = 0; i < numcomps; i++) { cmptparm[i].prec = (OPJ_UINT32)prec; cmptparm[i].sgnd = 0; cmptparm[i].dx = (OPJ_UINT32)subsampling_dx; cmptparm[i].dy = (OPJ_UINT32)subsampling_dy; cmptparm[i].w = (OPJ_UINT32)w; cmptparm[i].h = (OPJ_UINT32)h; } image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space); if (!image) { fclose(fp); return NULL; } /* set image offset and reference grid */ image->x0 = (OPJ_UINT32)parameters->image_offset_x0; image->y0 = (OPJ_UINT32)parameters->image_offset_y0; image->x1 = (OPJ_UINT32)(parameters->image_offset_x0 + (w - 1) * subsampling_dx + 1); image->y1 = (OPJ_UINT32)(parameters->image_offset_y0 + (h - 1) * subsampling_dy + 1); if ((format == 2) || (format == 3)) { /* ascii pixmap */ unsigned int index; for (i = 0; i < w * h; i++) { for (compno = 0; compno < numcomps; compno++) { index = 0; if (fscanf(fp, "%u", &index) != 1) { fprintf(stderr, "Missing data. Quitting.\n"); opj_image_destroy(image); fclose(fp); return NULL; } image->comps[compno].data[i] = (OPJ_INT32)(index * 255) / header_info.maxval; } } } else if ((format == 5) || (format == 6) || ((format == 7) && (header_info.gray || header_info.graya || header_info.rgb || header_info.rgba))) { /* binary pixmap */ unsigned char c0, c1, one; one = (prec < 9); for (i = 0; i < w * h; i++) { for (compno = 0; compno < numcomps; compno++) { if (!fread(&c0, 1, 1, fp)) { fprintf(stderr, "Missing data. Quitting.\n"); opj_image_destroy(image); fclose(fp); return NULL; } if (one) { image->comps[compno].data[i] = c0; } else { if (!fread(&c1, 1, 1, fp)) { fprintf(stderr, "Missing data. Quitting.\n"); opj_image_destroy(image); fclose(fp); return NULL; } /* netpbm: */ image->comps[compno].data[i] = ((c0 << 8) | c1); } } } } else if (format == 1) { /* ascii bitmap */ for (i = 0; i < w * h; i++) { unsigned int index; if (fscanf(fp, "%u", &index) != 1) { fprintf(stderr, "Missing data. Quitting.\n"); opj_image_destroy(image); fclose(fp); return NULL; } image->comps[0].data[i] = (index ? 0 : 255); } } else if (format == 4) { int x, y, bit; int uc; i = 0; for (y = 0; y < h; ++y) { bit = -1; uc = 0; for (x = 0; x < w; ++x) { if (bit == -1) { bit = 7; uc = getc(fp); if (uc == EOF) { fprintf(stderr, "Missing data. Quitting.\n"); opj_image_destroy(image); fclose(fp); return NULL; } } image->comps[0].data[i] = ((((unsigned char)uc >> bit) & 1) ? 0 : 255); --bit; ++i; } } } else if ((format == 7 && header_info.bw)) { /*MONO*/ unsigned char uc; for (i = 0; i < w * h; ++i) { if (!fread(&uc, 1, 1, fp)) { fprintf(stderr, "Missing data. Quitting.\n"); opj_image_destroy(image); fclose(fp); return NULL; } image->comps[0].data[i] = (uc & 1) ? 0 : 255; } } fclose(fp); return image; }/* pnmtoimage() */ static int are_comps_similar(opj_image_t * image) { unsigned int i; for (i = 1; i < image->numcomps; i++) { if (image->comps[0].dx != image->comps[i].dx || image->comps[0].dy != image->comps[i].dy || (i <= 2 && (image->comps[0].prec != image->comps[i].prec || image->comps[0].sgnd != image->comps[i].sgnd))) { return OPJ_FALSE; } } return OPJ_TRUE; } int imagetopnm(opj_image_t * image, const char *outfile, int force_split) { int *red, *green, *blue, *alpha; int wr, hr, max; int i; unsigned int compno, ncomp; int adjustR, adjustG, adjustB, adjustA; int fails, two, want_gray, has_alpha, triple; int prec, v; FILE *fdest = NULL; const char *tmp = outfile; char *destname; alpha = NULL; if ((prec = (int)image->comps[0].prec) > 16) { fprintf(stderr, "%s:%d:imagetopnm\n\tprecision %d is larger than 16" "\n\t: refused.\n", __FILE__, __LINE__, prec); return 1; } two = has_alpha = 0; fails = 1; ncomp = image->numcomps; while (*tmp) { ++tmp; } tmp -= 2; want_gray = (*tmp == 'g' || *tmp == 'G'); ncomp = image->numcomps; if (want_gray) { ncomp = 1; } if ((force_split == 0) && ncomp >= 2 && are_comps_similar(image)) { fdest = fopen(outfile, "wb"); if (!fdest) { fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile); return fails; } two = (prec > 8); triple = (ncomp > 2); wr = (int)image->comps[0].w; hr = (int)image->comps[0].h; max = (1 << prec) - 1; has_alpha = (ncomp == 4 || ncomp == 2); red = image->comps[0].data; if (red == NULL) { fprintf(stderr, "imagetopnm: planes[%d] == NULL.\n", 0); fprintf(stderr, "\tAborting\n"); fclose(fdest); return fails; } if (triple) { green = image->comps[1].data; blue = image->comps[2].data; for (i = 1; i <= 2; i++) { if (image->comps[i].data == NULL) { fprintf(stderr, "imagetopnm: planes[%d] == NULL.\n", i); fprintf(stderr, "\tAborting\n"); fclose(fdest); return fails; } } } else { green = blue = NULL; } if (has_alpha) { const char *tt = (triple ? "RGB_ALPHA" : "GRAYSCALE_ALPHA"); fprintf(fdest, "P7\n# OpenJPEG-%s\nWIDTH %d\nHEIGHT %d\nDEPTH %u\n" "MAXVAL %d\nTUPLTYPE %s\nENDHDR\n", opj_version(), wr, hr, ncomp, max, tt); alpha = image->comps[ncomp - 1].data; adjustA = (image->comps[ncomp - 1].sgnd ? 1 << (image->comps[ncomp - 1].prec - 1) : 0); } else { fprintf(fdest, "P6\n# OpenJPEG-%s\n%d %d\n%d\n", opj_version(), wr, hr, max); adjustA = 0; } adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0); if (triple) { adjustG = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0); adjustB = (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0); } else { adjustG = adjustB = 0; } for (i = 0; i < wr * hr; ++i) { if (two) { v = *red + adjustR; ++red; if (v > 65535) { v = 65535; } else if (v < 0) { v = 0; } /* netpbm: */ fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v); if (triple) { v = *green + adjustG; ++green; if (v > 65535) { v = 65535; } else if (v < 0) { v = 0; } /* netpbm: */ fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v); v = *blue + adjustB; ++blue; if (v > 65535) { v = 65535; } else if (v < 0) { v = 0; } /* netpbm: */ fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v); }/* if(triple) */ if (has_alpha) { v = *alpha + adjustA; ++alpha; if (v > 65535) { v = 65535; } else if (v < 0) { v = 0; } /* netpbm: */ fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v); } continue; } /* if(two) */ /* prec <= 8: */ v = *red++; if (v > 255) { v = 255; } else if (v < 0) { v = 0; } fprintf(fdest, "%c", (unsigned char)v); if (triple) { v = *green++; if (v > 255) { v = 255; } else if (v < 0) { v = 0; } fprintf(fdest, "%c", (unsigned char)v); v = *blue++; if (v > 255) { v = 255; } else if (v < 0) { v = 0; } fprintf(fdest, "%c", (unsigned char)v); } if (has_alpha) { v = *alpha++; if (v > 255) { v = 255; } else if (v < 0) { v = 0; } fprintf(fdest, "%c", (unsigned char)v); } } /* for(i */ fclose(fdest); return 0; } /* YUV or MONO: */ if (image->numcomps > ncomp) { fprintf(stderr, "WARNING -> [PGM file] Only the first component\n"); fprintf(stderr, " is written to the file\n"); } destname = (char*)malloc(strlen(outfile) + 8); if (destname == NULL) { fprintf(stderr, "imagetopnm: memory out\n"); return 1; } for (compno = 0; compno < ncomp; compno++) { if (ncomp > 1) { /*sprintf(destname, "%d.%s", compno, outfile);*/ const size_t olen = strlen(outfile); const size_t dotpos = olen - 4; memcpy(destname, outfile, dotpos); sprintf(destname + dotpos, "_%u.pgm", compno); } else { sprintf(destname, "%s", outfile); } fdest = fopen(destname, "wb"); if (!fdest) { fprintf(stderr, "ERROR -> failed to open %s for writing\n", destname); free(destname); return 1; } wr = (int)image->comps[compno].w; hr = (int)image->comps[compno].h; prec = (int)image->comps[compno].prec; max = (1 << prec) - 1; fprintf(fdest, "P5\n#OpenJPEG-%s\n%d %d\n%d\n", opj_version(), wr, hr, max); red = image->comps[compno].data; if (!red) { fclose(fdest); continue; } adjustR = (image->comps[compno].sgnd ? 1 << (image->comps[compno].prec - 1) : 0); if (prec > 8) { for (i = 0; i < wr * hr; i++) { v = *red + adjustR; ++red; if (v > 65535) { v = 65535; } else if (v < 0) { v = 0; } /* netpbm: */ fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v); if (has_alpha) { v = *alpha++; if (v > 65535) { v = 65535; } else if (v < 0) { v = 0; } /* netpbm: */ fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v); } }/* for(i */ } else { /* prec <= 8 */ for (i = 0; i < wr * hr; ++i) { v = *red + adjustR; ++red; if (v > 255) { v = 255; } else if (v < 0) { v = 0; } fprintf(fdest, "%c", (unsigned char)v); } } fclose(fdest); } /* for (compno */ free(destname); return 0; }/* imagetopnm() */ /* -->> -->> -->> -->> RAW IMAGE FORMAT <<-- <<-- <<-- <<-- */ static opj_image_t* rawtoimage_common(const char *filename, opj_cparameters_t *parameters, raw_cparameters_t *raw_cp, OPJ_BOOL big_endian) { int subsampling_dx = parameters->subsampling_dx; int subsampling_dy = parameters->subsampling_dy; FILE *f = NULL; int i, compno, numcomps, w, h; OPJ_COLOR_SPACE color_space; opj_image_cmptparm_t *cmptparm; opj_image_t * image = NULL; unsigned short ch; if ((!(raw_cp->rawWidth & raw_cp->rawHeight & raw_cp->rawComp & raw_cp->rawBitDepth)) == 0) { fprintf(stderr, "\nError: invalid raw image parameters\n"); fprintf(stderr, "Please use the Format option -F:\n"); fprintf(stderr, "-F ,,,,{s,u}@x:...:x\n"); fprintf(stderr, "If subsampling is omitted, 1x1 is assumed for all components\n"); fprintf(stderr, "Example: -i image.raw -o image.j2k -F 512,512,3,8,u@1x1:2x2:2x2\n"); fprintf(stderr, " for raw 512x512 image with 4:2:0 subsampling\n"); fprintf(stderr, "Aborting.\n"); return NULL; } f = fopen(filename, "rb"); if (!f) { fprintf(stderr, "Failed to open %s for reading !!\n", filename); fprintf(stderr, "Aborting\n"); return NULL; } numcomps = raw_cp->rawComp; /* FIXME ADE at this point, tcp_mct has not been properly set in calling function */ if (numcomps == 1) { color_space = OPJ_CLRSPC_GRAY; } else if ((numcomps >= 3) && (parameters->tcp_mct == 0)) { color_space = OPJ_CLRSPC_SYCC; } else if ((numcomps >= 3) && (parameters->tcp_mct != 2)) { color_space = OPJ_CLRSPC_SRGB; } else { color_space = OPJ_CLRSPC_UNKNOWN; } w = raw_cp->rawWidth; h = raw_cp->rawHeight; cmptparm = (opj_image_cmptparm_t*) calloc((OPJ_UINT32)numcomps, sizeof(opj_image_cmptparm_t)); if (!cmptparm) { fprintf(stderr, "Failed to allocate image components parameters !!\n"); fprintf(stderr, "Aborting\n"); fclose(f); return NULL; } /* initialize image components */ for (i = 0; i < numcomps; i++) { cmptparm[i].prec = (OPJ_UINT32)raw_cp->rawBitDepth; cmptparm[i].sgnd = (OPJ_UINT32)raw_cp->rawSigned; cmptparm[i].dx = (OPJ_UINT32)(subsampling_dx * raw_cp->rawComps[i].dx); cmptparm[i].dy = (OPJ_UINT32)(subsampling_dy * raw_cp->rawComps[i].dy); cmptparm[i].w = (OPJ_UINT32)w; cmptparm[i].h = (OPJ_UINT32)h; } /* create the image */ image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space); free(cmptparm); if (!image) { fclose(f); return NULL; } /* set image offset and reference grid */ image->x0 = (OPJ_UINT32)parameters->image_offset_x0; image->y0 = (OPJ_UINT32)parameters->image_offset_y0; image->x1 = (OPJ_UINT32)parameters->image_offset_x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1; image->y1 = (OPJ_UINT32)parameters->image_offset_y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1; if (raw_cp->rawBitDepth <= 8) { unsigned char value = 0; for (compno = 0; compno < numcomps; compno++) { int nloop = (w * h) / (raw_cp->rawComps[compno].dx * raw_cp->rawComps[compno].dy); for (i = 0; i < nloop; i++) { if (!fread(&value, 1, 1, f)) { fprintf(stderr, "Error reading raw file. End of file probably reached.\n"); opj_image_destroy(image); fclose(f); return NULL; } image->comps[compno].data[i] = raw_cp->rawSigned ? (char)value : value; } } } else if (raw_cp->rawBitDepth <= 16) { unsigned short value; for (compno = 0; compno < numcomps; compno++) { int nloop = (w * h) / (raw_cp->rawComps[compno].dx * raw_cp->rawComps[compno].dy); for (i = 0; i < nloop; i++) { unsigned char temp1; unsigned char temp2; if (!fread(&temp1, 1, 1, f)) { fprintf(stderr, "Error reading raw file. End of file probably reached.\n"); opj_image_destroy(image); fclose(f); return NULL; } if (!fread(&temp2, 1, 1, f)) { fprintf(stderr, "Error reading raw file. End of file probably reached.\n"); opj_image_destroy(image); fclose(f); return NULL; } if (big_endian) { value = (unsigned short)((temp1 << 8) + temp2); } else { value = (unsigned short)((temp2 << 8) + temp1); } image->comps[compno].data[i] = raw_cp->rawSigned ? (short)value : value; } } } else { fprintf(stderr, "OpenJPEG cannot encode raw components with bit depth higher than 16 bits.\n"); opj_image_destroy(image); fclose(f); return NULL; } if (fread(&ch, 1, 1, f)) { fprintf(stderr, "Warning. End of raw file not reached... processing anyway\n"); } fclose(f); return image; } opj_image_t* rawltoimage(const char *filename, opj_cparameters_t *parameters, raw_cparameters_t *raw_cp) { return rawtoimage_common(filename, parameters, raw_cp, OPJ_FALSE); } opj_image_t* rawtoimage(const char *filename, opj_cparameters_t *parameters, raw_cparameters_t *raw_cp) { return rawtoimage_common(filename, parameters, raw_cp, OPJ_TRUE); } static int imagetoraw_common(opj_image_t * image, const char *outfile, OPJ_BOOL big_endian) { FILE *rawFile = NULL; size_t res; unsigned int compno, numcomps; int w, h, fails; int line, row, curr, mask; int *ptr; unsigned char uc; (void)big_endian; if ((image->numcomps * image->x1 * image->y1) == 0) { fprintf(stderr, "\nError: invalid raw image parameters\n"); return 1; } numcomps = image->numcomps; if (numcomps > 4) { numcomps = 4; } for (compno = 1; compno < numcomps; ++compno) { if (image->comps[0].dx != image->comps[compno].dx) { break; } if (image->comps[0].dy != image->comps[compno].dy) { break; } if (image->comps[0].prec != image->comps[compno].prec) { break; } if (image->comps[0].sgnd != image->comps[compno].sgnd) { break; } } if (compno != numcomps) { fprintf(stderr, "imagetoraw_common: All components shall have the same subsampling, same bit depth, same sign.\n"); fprintf(stderr, "\tAborting\n"); return 1; } rawFile = fopen(outfile, "wb"); if (!rawFile) { fprintf(stderr, "Failed to open %s for writing !!\n", outfile); return 1; } fails = 1; fprintf(stdout, "Raw image characteristics: %d components\n", image->numcomps); for (compno = 0; compno < image->numcomps; compno++) { fprintf(stdout, "Component %u characteristics: %dx%dx%d %s\n", compno, image->comps[compno].w, image->comps[compno].h, image->comps[compno].prec, image->comps[compno].sgnd == 1 ? "signed" : "unsigned"); w = (int)image->comps[compno].w; h = (int)image->comps[compno].h; if (image->comps[compno].prec <= 8) { if (image->comps[compno].sgnd == 1) { mask = (1 << image->comps[compno].prec) - 1; ptr = image->comps[compno].data; for (line = 0; line < h; line++) { for (row = 0; row < w; row++) { curr = *ptr; if (curr > 127) { curr = 127; } else if (curr < -128) { curr = -128; } uc = (unsigned char)(curr & mask); res = fwrite(&uc, 1, 1, rawFile); if (res < 1) { fprintf(stderr, "failed to write 1 byte for %s\n", outfile); goto fin; } ptr++; } } } else if (image->comps[compno].sgnd == 0) { mask = (1 << image->comps[compno].prec) - 1; ptr = image->comps[compno].data; for (line = 0; line < h; line++) { for (row = 0; row < w; row++) { curr = *ptr; if (curr > 255) { curr = 255; } else if (curr < 0) { curr = 0; } uc = (unsigned char)(curr & mask); res = fwrite(&uc, 1, 1, rawFile); if (res < 1) { fprintf(stderr, "failed to write 1 byte for %s\n", outfile); goto fin; } ptr++; } } } } else if (image->comps[compno].prec <= 16) { if (image->comps[compno].sgnd == 1) { union { signed short val; signed char vals[2]; } uc16; mask = (1 << image->comps[compno].prec) - 1; ptr = image->comps[compno].data; for (line = 0; line < h; line++) { for (row = 0; row < w; row++) { curr = *ptr; if (curr > 32767) { curr = 32767; } else if (curr < -32768) { curr = -32768; } uc16.val = (signed short)(curr & mask); res = fwrite(uc16.vals, 1, 2, rawFile); if (res < 2) { fprintf(stderr, "failed to write 2 byte for %s\n", outfile); goto fin; } ptr++; } } } else if (image->comps[compno].sgnd == 0) { union { unsigned short val; unsigned char vals[2]; } uc16; mask = (1 << image->comps[compno].prec) - 1; ptr = image->comps[compno].data; for (line = 0; line < h; line++) { for (row = 0; row < w; row++) { curr = *ptr; if (curr > 65535) { curr = 65535; } else if (curr < 0) { curr = 0; } uc16.val = (unsigned short)(curr & mask); res = fwrite(uc16.vals, 1, 2, rawFile); if (res < 2) { fprintf(stderr, "failed to write 2 byte for %s\n", outfile); goto fin; } ptr++; } } } } else if (image->comps[compno].prec <= 32) { fprintf(stderr, "More than 16 bits per component not handled yet\n"); goto fin; } else { fprintf(stderr, "Error: invalid precision: %d\n", image->comps[compno].prec); goto fin; } } fails = 0; fin: fclose(rawFile); return fails; } int imagetoraw(opj_image_t * image, const char *outfile) { return imagetoraw_common(image, outfile, OPJ_TRUE); } int imagetorawl(opj_image_t * image, const char *outfile) { return imagetoraw_common(image, outfile, OPJ_FALSE); }