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path: root/openjpeg/src/bin/jp2/convert.c
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Diffstat (limited to 'openjpeg/src/bin/jp2/convert.c')
-rw-r--r--openjpeg/src/bin/jp2/convert.c2595
1 files changed, 0 insertions, 2595 deletions
diff --git a/openjpeg/src/bin/jp2/convert.c b/openjpeg/src/bin/jp2/convert.c
deleted file mode 100644
index 7040969d..00000000
--- a/openjpeg/src/bin/jp2/convert.c
+++ /dev/null
@@ -1,2595 +0,0 @@
-/*
- * 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 <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-#include <limits.h>
-
-#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;
- 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];
-
- 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].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;
-
- 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.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");
- 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;
- }
-
- /* 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,
- "\nWARNING: fscanf return a number of element different from the expected.\n");
- }
-
- 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,
- "\nError: fread return a number of element different from the expected.\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,
- "\nError: fread return a number of element different from the expected.\n");
- }
- /* 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,
- "\nWARNING: fscanf return a number of element different from the expected.\n");
- }
-
- image->comps[0].data[i] = (index ? 0 : 255);
- }
- } else if (format == 4) {
- int x, y, bit;
- unsigned char 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 = (unsigned char)getc(fp);
- }
- image->comps[0].data[i] = (((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,
- "\nError: fread return a number of element different from the expected.\n");
- }
- 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 (triple) {
- green = image->comps[1].data;
- blue = image->comps[2].data;
- } 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;
-
- 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;
- 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 <width>,<height>,<ncomp>,<bitdepth>,{s,u}@<dx1>x<dy1>:...:<dxn>x<dyn>\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].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;
- }
-
- 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);
-}
-