--- convert.c 2020-08-27 15:46:32.911584344 +0000 +++ convert_helper.cc 2020-08-27 15:10:52.695231032 +0000 @@ -35,2605 +35,311 @@ * 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; -} +// patched versions of a few library tools -/* 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; - component->bpp = 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->bpp = precision; - 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]; +#include "convert.h" - 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); +#define OPJ_TRUE 1 +#define OPJ_FALSE 0 - } - } - } -} -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); +const char *opj_version(void) { return "2.3.1"; } - } - 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); - } +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; -} - -#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].bpp = 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; + 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 1; + fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile); + return fails; } - - 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; - } + 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; } - - 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; + 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 { - 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; + adjustG = adjustB = 0; } - 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 = '-'; + for (i = 0; i < wr * hr; ++i) { + if (two) { + v = *red + adjustR; + ++red; + if (v > 65535) { + v = 65535; + } else if (v < 0) { + v = 0; } - 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.bpp = (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->bpp = (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; - } - } - strncpy(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].bpp = (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); + /* netpbm: */ + fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v); 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 */ + 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; + } - fclose(fdest); - return 0; - } + /* netpbm: */ + fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v); - /* YUV or MONO: */ + } /* if(triple) */ - 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; - - strncpy(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); + 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; -}/* imagetopnm() */ - -/* -->> -->> -->> -->> + } - RAW IMAGE FORMAT + /* YUV or MONO: */ - <<-- <<-- <<-- <<-- */ -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; + 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; - /* 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; + strncpy(destname, outfile, dotpos); + sprintf(destname + dotpos, "_%u.pgm", compno); } 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].bpp = (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; + sprintf(destname, "%s", outfile); } - if (fread(&ch, 1, 1, f)) { - fprintf(stderr, "Warning. End of raw file not reached... processing anyway\n"); + fdest = fopen(destname, "wb"); + if (!fdest) { + fprintf(stderr, "ERROR -> failed to open %s for writing\n", destname); + free(destname); + return 1; } - fclose(f); + wr = (int)image->comps[compno].w; + hr = (int)image->comps[compno].h; + prec = (int)image->comps[compno].prec; + max = (1 << prec) - 1; - return image; -} + fprintf(fdest, "P5\n#OpenJPEG-%s\n%d %d\n%d\n", opj_version(), wr, hr, max); -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); -} + red = image->comps[compno].data; -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; + if (!red) { + fclose(fdest); + continue; } - numcomps = image->numcomps; + adjustR = + (image->comps[compno].sgnd ? 1 << (image->comps[compno].prec - 1) : 0); - 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 (prec > 8) { + for (i = 0; i < wr * hr; i++) { + v = *red + adjustR; + ++red; + if (v > 65535) { + v = 65535; + } else if (v < 0) { + v = 0; } - 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); + /* netpbm: */ + fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v); - 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; + 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); + } } - 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); -} + fclose(fdest); + } /* for (compno */ + free(destname); + return 0; +} /* imagetopnm() */