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Diffstat (limited to 'core/src/fxcodec/codec/fx_codec_jpx_opj.cpp')
-rw-r--r--core/src/fxcodec/codec/fx_codec_jpx_opj.cpp1598
1 files changed, 799 insertions, 799 deletions
diff --git a/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp b/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp
index 423819f69f..32cb10076d 100644
--- a/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp
+++ b/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp
@@ -1,799 +1,799 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "../../../include/fxcodec/fx_codec.h"
-#include "codec_int.h"
-#include "../fx_libopenjpeg/libopenjpeg20/openjpeg.h"
-#include "../lcms2/include/fx_lcms2.h"
-static void fx_error_callback(const char *msg, void *client_data)
-{
- (void)client_data;
-}
-static void fx_warning_callback(const char *msg, void *client_data)
-{
- (void)client_data;
-}
-static void fx_info_callback(const char *msg, void *client_data)
-{
- (void)client_data;
-}
-typedef struct {
- const unsigned char* src_data;
- int src_size;
- int offset;
-} decodeData;
-static OPJ_SIZE_T opj_read_from_memory (void * p_buffer, OPJ_SIZE_T p_nb_bytes, decodeData* srcData)
-{
- if(srcData == NULL || srcData->src_size == 0 || srcData->src_data == NULL || srcData->offset >= srcData->src_size) {
- return -1;
- }
- OPJ_SIZE_T readlength = p_nb_bytes;
- OPJ_SIZE_T bufferLength = (OPJ_SIZE_T)(srcData->src_size - srcData->offset);
- if(bufferLength <= 0) {
- return 0;
- }
- if(bufferLength <= p_nb_bytes) {
- readlength = bufferLength;
- }
- memcpy(p_buffer, &(srcData->src_data[srcData->offset]), readlength);
- srcData->offset += (int)readlength;
- return readlength;
-}
-static OPJ_SIZE_T opj_write_from_memory (void * p_buffer, OPJ_SIZE_T p_nb_bytes, decodeData* srcData)
-{
- if(srcData == NULL || srcData->src_size == 0 || srcData->src_data == NULL || srcData->offset >= srcData->src_size) {
- return -1;
- }
- OPJ_SIZE_T writeLength = p_nb_bytes;
- OPJ_SIZE_T bufferLength = (OPJ_SIZE_T)(srcData->src_size - srcData->offset);
- if(bufferLength <= p_nb_bytes) {
- writeLength = bufferLength;
- }
- memcpy((void*&)(srcData->src_data[srcData->offset]), p_buffer, writeLength);
- srcData->offset += (int)writeLength;
- return writeLength;
-}
-static OPJ_OFF_T opj_skip_from_memory (OPJ_OFF_T p_nb_bytes, decodeData* srcData)
-{
- if(srcData == NULL || srcData->src_size == 0 || srcData->src_data == NULL || srcData->offset >= srcData->src_size) {
- return -1;
- }
- OPJ_OFF_T postion = srcData->offset + p_nb_bytes;
- if(postion < 0 ) {
- postion = 0;
- } else if (postion > srcData->src_size) {
- }
- srcData->offset = (int)postion;
- return p_nb_bytes;
-}
-static OPJ_BOOL opj_seek_from_memory (OPJ_OFF_T p_nb_bytes, decodeData * srcData)
-{
- if(srcData == NULL || srcData->src_size == 0 || srcData->src_data == NULL || srcData->offset >= srcData->src_size) {
- return -1;
- }
- srcData->offset = (int)p_nb_bytes;
- if(srcData->offset < 0) {
- srcData->offset = 0;
- } else if(srcData->offset > srcData->src_size) {
- srcData->offset = srcData->src_size;
- }
- return OPJ_TRUE;
-}
-opj_stream_t* fx_opj_stream_create_memory_stream (decodeData* data, OPJ_SIZE_T p_size, OPJ_BOOL p_is_read_stream)
-{
- opj_stream_t* l_stream = 00;
- if (!data || ! data->src_data || data->src_size <= 0 ) {
- return NULL;
- }
- l_stream = opj_stream_create(p_size, p_is_read_stream);
- if (! l_stream) {
- return NULL;
- }
- opj_stream_set_user_data_v3(l_stream, data, NULL);
- opj_stream_set_user_data_length(l_stream, data->src_size);
- opj_stream_set_read_function(l_stream, (opj_stream_read_fn) opj_read_from_memory);
- opj_stream_set_write_function(l_stream, (opj_stream_write_fn) opj_write_from_memory);
- opj_stream_set_skip_function(l_stream, (opj_stream_skip_fn) opj_skip_from_memory);
- opj_stream_set_seek_function(l_stream, (opj_stream_seek_fn) opj_seek_from_memory);
- return l_stream;
-}
-static void sycc_to_rgb(int offset, int upb, int y, int cb, int cr,
- int *out_r, int *out_g, int *out_b)
-{
- int r, g, b;
- cb -= offset;
- cr -= offset;
- r = y + (int)(1.402 * (float)cr);
- if(r < 0) {
- r = 0;
- } else if(r > upb) {
- r = upb;
- } *out_r = r;
- g = y - (int)(0.344 * (float)cb + 0.714 * (float)cr);
- if(g < 0) {
- g = 0;
- } else if(g > upb) {
- g = upb;
- } *out_g = g;
- b = y + (int)(1.772 * (float)cb);
- if(b < 0) {
- b = 0;
- } else if(b > upb) {
- b = upb;
- } *out_b = b;
-}
-static void sycc444_to_rgb(opj_image_t *img)
-{
- int *d0, *d1, *d2, *r, *g, *b;
- const int *y, *cb, *cr;
- int maxw, maxh, max, i, offset, upb;
- i = (int)img->comps[0].prec;
- offset = 1 << (i - 1);
- upb = (1 << i) - 1;
- maxw = (int)img->comps[0].w;
- maxh = (int)img->comps[0].h;
- max = maxw * maxh;
- y = img->comps[0].data;
- cb = img->comps[1].data;
- cr = img->comps[2].data;
- d0 = r = FX_Alloc(int, (size_t)max);
- d1 = g = FX_Alloc(int, (size_t)max);
- d2 = b = FX_Alloc(int, (size_t)max);
- for(i = 0; i < max; ++i) {
- sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
- ++y;
- ++cb;
- ++cr;
- ++r;
- ++g;
- ++b;
- }
- FX_Free(img->comps[0].data);
- img->comps[0].data = d0;
- FX_Free(img->comps[1].data);
- img->comps[1].data = d1;
- FX_Free(img->comps[2].data);
- img->comps[2].data = d2;
-}
-static void sycc422_to_rgb(opj_image_t *img)
-{
- int *d0, *d1, *d2, *r, *g, *b;
- const int *y, *cb, *cr;
- int maxw, maxh, max, offset, upb;
- int i, j;
- i = (int)img->comps[0].prec;
- offset = 1 << (i - 1);
- upb = (1 << i) - 1;
- maxw = (int)img->comps[0].w;
- maxh = (int)img->comps[0].h;
- max = maxw * maxh;
- y = img->comps[0].data;
- cb = img->comps[1].data;
- cr = img->comps[2].data;
- d0 = r = FX_Alloc(int, (size_t)max);
- d1 = g = FX_Alloc(int, (size_t)max);
- d2 = b = FX_Alloc(int, (size_t)max);
- for(i = 0; i < maxh; ++i) {
- for(j = 0; j < maxw; j += 2) {
- sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
- ++y;
- ++r;
- ++g;
- ++b;
- sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
- ++y;
- ++r;
- ++g;
- ++b;
- ++cb;
- ++cr;
- }
- }
- FX_Free(img->comps[0].data);
- img->comps[0].data = d0;
- FX_Free(img->comps[1].data);
- img->comps[1].data = d1;
- FX_Free(img->comps[2].data);
- img->comps[2].data = d2;
- img->comps[1].w = maxw;
- img->comps[1].h = maxh;
- img->comps[2].w = maxw;
- img->comps[2].h = maxh;
- img->comps[1].w = (OPJ_UINT32)maxw;
- img->comps[1].h = (OPJ_UINT32)maxh;
- img->comps[2].w = (OPJ_UINT32)maxw;
- img->comps[2].h = (OPJ_UINT32)maxh;
- img->comps[1].dx = img->comps[0].dx;
- img->comps[2].dx = img->comps[0].dx;
- img->comps[1].dy = img->comps[0].dy;
- img->comps[2].dy = img->comps[0].dy;
-}
-static void sycc420_to_rgb(opj_image_t *img)
-{
- int *d0, *d1, *d2, *r, *g, *b, *nr, *ng, *nb;
- const int *y, *cb, *cr, *ny;
- int maxw, maxh, max, offset, upb;
- int i, j;
- i = (int)img->comps[0].prec;
- offset = 1 << (i - 1);
- upb = (1 << i) - 1;
- maxw = (int)img->comps[0].w;
- maxh = (int)img->comps[0].h;
- max = maxw * maxh;
- y = img->comps[0].data;
- cb = img->comps[1].data;
- cr = img->comps[2].data;
- d0 = r = FX_Alloc(int, (size_t)max);
- d1 = g = FX_Alloc(int, (size_t)max);
- d2 = b = FX_Alloc(int, (size_t)max);
- for(i = 0; i < maxh; i += 2) {
- ny = y + maxw;
- nr = r + maxw;
- ng = g + maxw;
- nb = b + maxw;
- for(j = 0; j < maxw; j += 2) {
- sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
- ++y;
- ++r;
- ++g;
- ++b;
- sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
- ++y;
- ++r;
- ++g;
- ++b;
- sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
- ++ny;
- ++nr;
- ++ng;
- ++nb;
- sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
- ++ny;
- ++nr;
- ++ng;
- ++nb;
- ++cb;
- ++cr;
- }
- y += maxw;
- r += maxw;
- g += maxw;
- b += maxw;
- }
- FX_Free(img->comps[0].data);
- img->comps[0].data = d0;
- FX_Free(img->comps[1].data);
- img->comps[1].data = d1;
- FX_Free(img->comps[2].data);
- img->comps[2].data = d2;
- img->comps[1].w = maxw;
- img->comps[1].h = maxh;
- img->comps[2].w = maxw;
- img->comps[2].h = maxh;
- img->comps[1].w = (OPJ_UINT32)maxw;
- img->comps[1].h = (OPJ_UINT32)maxh;
- img->comps[2].w = (OPJ_UINT32)maxw;
- img->comps[2].h = (OPJ_UINT32)maxh;
- img->comps[1].dx = img->comps[0].dx;
- img->comps[2].dx = img->comps[0].dx;
- img->comps[1].dy = img->comps[0].dy;
- img->comps[2].dy = img->comps[0].dy;
-}
-void color_sycc_to_rgb(opj_image_t *img)
-{
- if(img->numcomps < 3) {
- img->color_space = OPJ_CLRSPC_GRAY;
- return;
- }
- if((img->comps[0].dx == 1)
- && (img->comps[1].dx == 2)
- && (img->comps[2].dx == 2)
- && (img->comps[0].dy == 1)
- && (img->comps[1].dy == 2)
- && (img->comps[2].dy == 2)) {
- sycc420_to_rgb(img);
- } else if((img->comps[0].dx == 1)
- && (img->comps[1].dx == 2)
- && (img->comps[2].dx == 2)
- && (img->comps[0].dy == 1)
- && (img->comps[1].dy == 1)
- && (img->comps[2].dy == 1)) {
- sycc422_to_rgb(img);
- } else if((img->comps[0].dx == 1)
- && (img->comps[1].dx == 1)
- && (img->comps[2].dx == 1)
- && (img->comps[0].dy == 1)
- && (img->comps[1].dy == 1)
- && (img->comps[2].dy == 1)) {
- sycc444_to_rgb(img);
- } else {
- return;
- }
- img->color_space = OPJ_CLRSPC_SRGB;
-}
-void color_apply_icc_profile(opj_image_t *image)
-{
- cmsHPROFILE in_prof, out_prof;
- cmsHTRANSFORM transform;
- cmsColorSpaceSignature in_space, out_space;
- cmsUInt32Number intent, in_type, out_type, nr_samples;
- int *r, *g, *b;
- int prec, i, max, max_w, max_h;
- OPJ_COLOR_SPACE oldspace;
- in_prof =
- cmsOpenProfileFromMem(image->icc_profile_buf, image->icc_profile_len);
- if(in_prof == NULL) {
- return;
- }
- in_space = cmsGetPCS(in_prof);
- out_space = cmsGetColorSpace(in_prof);
- intent = cmsGetHeaderRenderingIntent(in_prof);
- max_w = (int)image->comps[0].w;
- max_h = (int)image->comps[0].h;
- prec = (int)image->comps[0].prec;
- oldspace = image->color_space;
- if(out_space == cmsSigRgbData) {
- if( prec <= 8 ) {
- in_type = TYPE_RGB_8;
- out_type = TYPE_RGB_8;
- } else {
- in_type = TYPE_RGB_16;
- out_type = TYPE_RGB_16;
- }
- out_prof = cmsCreate_sRGBProfile();
- image->color_space = OPJ_CLRSPC_SRGB;
- } else if(out_space == cmsSigGrayData) {
- if( prec <= 8 ) {
- in_type = TYPE_GRAY_8;
- out_type = TYPE_RGB_8;
- } else {
- in_type = TYPE_GRAY_16;
- out_type = TYPE_RGB_16;
- }
- out_prof = cmsCreate_sRGBProfile();
- image->color_space = OPJ_CLRSPC_SRGB;
- } else if(out_space == cmsSigYCbCrData) {
- in_type = TYPE_YCbCr_16;
- out_type = TYPE_RGB_16;
- out_prof = cmsCreate_sRGBProfile();
- image->color_space = OPJ_CLRSPC_SRGB;
- } else {
- return;
- }
- transform = cmsCreateTransform(in_prof, in_type,
- out_prof, out_type, intent, 0);
- cmsCloseProfile(in_prof);
- cmsCloseProfile(out_prof);
- if(transform == NULL) {
- image->color_space = oldspace;
- return;
- }
- if(image->numcomps > 2) {
- if( prec <= 8 ) {
- unsigned char *inbuf, *outbuf, *in, *out;
- max = max_w * max_h;
- nr_samples = (cmsUInt32Number)max * 3 * (cmsUInt32Number)sizeof(unsigned char);
- in = inbuf = FX_Alloc(unsigned char, nr_samples);
- out = outbuf = FX_Alloc(unsigned char, nr_samples);
- r = image->comps[0].data;
- g = image->comps[1].data;
- b = image->comps[2].data;
- for(i = 0; i < max; ++i) {
- *in++ = (unsigned char) * r++;
- *in++ = (unsigned char) * g++;
- *in++ = (unsigned char) * b++;
- }
- cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max);
- r = image->comps[0].data;
- g = image->comps[1].data;
- b = image->comps[2].data;
- for(i = 0; i < max; ++i) {
- *r++ = (int) * out++;
- *g++ = (int) * out++;
- *b++ = (int) * out++;
- }
- FX_Free(inbuf);
- FX_Free(outbuf);
- } else {
- unsigned short *inbuf, *outbuf, *in, *out;
- max = max_w * max_h;
- nr_samples = (cmsUInt32Number)max * 3 * (cmsUInt32Number)sizeof(unsigned short);
- in = inbuf = FX_Alloc(unsigned short, nr_samples);
- out = outbuf = FX_Alloc(unsigned short, nr_samples);
- r = image->comps[0].data;
- g = image->comps[1].data;
- b = image->comps[2].data;
- for(i = 0; i < max; ++i) {
- *in++ = (unsigned short) * r++;
- *in++ = (unsigned short) * g++;
- *in++ = (unsigned short) * b++;
- }
- cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max);
- r = image->comps[0].data;
- g = image->comps[1].data;
- b = image->comps[2].data;
- for(i = 0; i < max; ++i) {
- *r++ = (int) * out++;
- *g++ = (int) * out++;
- *b++ = (int) * out++;
- }
- FX_Free(inbuf);
- FX_Free(outbuf);
- }
- } else {
- unsigned char *in, *inbuf, *out, *outbuf;
- max = max_w * max_h;
- nr_samples = (cmsUInt32Number)max * 3 * sizeof(unsigned char);
- in = inbuf = FX_Alloc(unsigned char, nr_samples);
- out = outbuf = FX_Alloc(unsigned char, nr_samples);
- image->comps = (opj_image_comp_t*)
- realloc(image->comps, (image->numcomps + 2) * sizeof(opj_image_comp_t));
- if(image->numcomps == 2) {
- image->comps[3] = image->comps[1];
- }
- image->comps[1] = image->comps[0];
- image->comps[2] = image->comps[0];
- image->comps[1].data = FX_Alloc(int, (size_t)max);
- FXSYS_memset8(image->comps[1].data, 0, sizeof(int) * (size_t)max);
- image->comps[2].data = FX_Alloc(int, (size_t)max);
- FXSYS_memset8(image->comps[2].data, 0, sizeof(int) * (size_t)max);
- image->numcomps += 2;
- r = image->comps[0].data;
- for(i = 0; i < max; ++i) {
- *in++ = (unsigned char) * r++;
- }
- cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max);
- r = image->comps[0].data;
- g = image->comps[1].data;
- b = image->comps[2].data;
- for(i = 0; i < max; ++i) {
- *r++ = (int) * out++;
- *g++ = (int) * out++;
- *b++ = (int) * out++;
- }
- FX_Free(inbuf);
- FX_Free(outbuf);
- }
- cmsDeleteTransform(transform);
-}
-void color_apply_conversion(opj_image_t *image)
-{
- int *row;
- int enumcs, numcomps;
- numcomps = image->numcomps;
- if(numcomps < 3) {
- return;
- }
- row = (int*)image->icc_profile_buf;
- enumcs = row[0];
- if(enumcs == 14) {
- int *L, *a, *b, *red, *green, *blue, *src0, *src1, *src2;
- double rl, ol, ra, oa, rb, ob, prec0, prec1, prec2;
- double minL, maxL, mina, maxa, minb, maxb;
- unsigned int default_type, il;
- unsigned int i, max, illu;
- cmsHPROFILE in, out;
- cmsHTRANSFORM transform;
- cmsUInt16Number RGB[3];
- cmsCIELab Lab;
- illu = 0;
- il = 0;
- in = cmsCreateLab4Profile(NULL);
- out = cmsCreate_sRGBProfile();
- transform =
- cmsCreateTransform(in, TYPE_Lab_DBL, out, TYPE_RGB_16,
- INTENT_PERCEPTUAL, 0);
- cmsCloseProfile(in);
- cmsCloseProfile(out);
- if(transform == NULL) {
- return;
- }
- prec0 = (double)image->comps[0].prec;
- prec1 = (double)image->comps[1].prec;
- prec2 = (double)image->comps[2].prec;
- default_type = row[1];
- if(default_type == 0x44454600) {
- rl = 100;
- ra = 170;
- rb = 200;
- ol = 0;
- oa = pow(2, prec1 - 1);
- ob = pow(2, prec2 - 2) + pow(2, prec2 - 3);
- } else {
- rl = row[2];
- ra = row[4];
- rb = row[6];
- ol = row[3];
- oa = row[5];
- ob = row[7];
- }
- L = src0 = image->comps[0].data;
- a = src1 = image->comps[1].data;
- b = src2 = image->comps[2].data;
- max = image->comps[0].w * image->comps[0].h;
- red = FX_Alloc(int, max);
- image->comps[0].data = red;
- green = FX_Alloc(int, max);
- image->comps[1].data = green;
- blue = FX_Alloc(int, max);
- image->comps[2].data = blue;
- minL = -(rl * ol) / (pow(2, prec0) - 1);
- maxL = minL + rl;
- mina = -(ra * oa) / (pow(2, prec1) - 1);
- maxa = mina + ra;
- minb = -(rb * ob) / (pow(2, prec2) - 1);
- maxb = minb + rb;
- for(i = 0; i < max; ++i) {
- Lab.L = minL + (double)(*L) * (maxL - minL) / (pow(2, prec0) - 1);
- ++L;
- Lab.a = mina + (double)(*a) * (maxa - mina) / (pow(2, prec1) - 1);
- ++a;
- Lab.b = minb + (double)(*b) * (maxb - minb) / (pow(2, prec2) - 1);
- ++b;
- cmsDoTransform(transform, &Lab, RGB, 1);
- *red++ = RGB[0];
- *green++ = RGB[1];
- *blue++ = RGB[2];
- }
- cmsDeleteTransform(transform);
- FX_Free(src0);
- FX_Free(src1);
- FX_Free(src2);
- image->color_space = OPJ_CLRSPC_SRGB;
- image->comps[0].prec = 16;
- image->comps[1].prec = 16;
- image->comps[2].prec = 16;
- return;
- }
-}
-class CJPX_Decoder : public CFX_Object
-{
-public:
- CJPX_Decoder();
- ~CJPX_Decoder();
- FX_BOOL Init(const unsigned char* src_data, int src_size);
- void GetInfo(FX_DWORD& width, FX_DWORD& height, FX_DWORD& codestream_nComps, FX_DWORD& output_nComps);
- FX_BOOL Decode(FX_LPBYTE dest_buf, int pitch, FX_BOOL bTranslateColor, FX_LPBYTE offsets);
- FX_LPCBYTE m_SrcData;
- int m_SrcSize;
- opj_image_t *image;
- opj_codec_t* l_codec;
- opj_stream_t *l_stream;
- FX_BOOL m_useColorSpace;
-};
-CJPX_Decoder::CJPX_Decoder(): image(NULL), l_codec(NULL), l_stream(NULL), m_useColorSpace(FALSE)
-{
-}
-CJPX_Decoder::~CJPX_Decoder()
-{
- if(l_codec) {
- opj_destroy_codec(l_codec);
- }
- if(l_stream) {
- opj_stream_destroy(l_stream);
- }
- if(image) {
- opj_image_destroy(image);
- }
-}
-FX_BOOL CJPX_Decoder::Init(const unsigned char* src_data, int src_size)
-{
- opj_dparameters_t parameters;
- try {
- image = NULL;
- m_SrcData = src_data;
- m_SrcSize = src_size;
- decodeData srcData;
- srcData.offset = 0;
- srcData.src_size = src_size;
- srcData.src_data = src_data;
- l_stream = fx_opj_stream_create_memory_stream(&srcData, OPJ_J2K_STREAM_CHUNK_SIZE, 1);
- if (l_stream == NULL) {
- return FALSE;
- }
- opj_set_default_decoder_parameters(&parameters);
- parameters.decod_format = 0;
- parameters.cod_format = 3;
- if(FXSYS_memcmp32(m_SrcData, "\x00\x00\x00\x0c\x6a\x50\x20\x20\x0d\x0a\x87\x0a", 12) == 0) {
- l_codec = opj_create_decompress(OPJ_CODEC_JP2);
- parameters.decod_format = 1;
- } else {
- l_codec = opj_create_decompress(OPJ_CODEC_J2K);
- }
- if(!l_codec) {
- return FALSE;
- }
- opj_set_info_handler(l_codec, fx_info_callback, 00);
- opj_set_warning_handler(l_codec, fx_warning_callback, 00);
- opj_set_error_handler(l_codec, fx_error_callback, 00);
- if ( !opj_setup_decoder(l_codec, &parameters) ) {
- return FALSE;
- }
- if(! opj_read_header(l_stream, l_codec, &image)) {
- image = NULL;
- return FALSE;
- }
- if(this->m_useColorSpace) {
- image->useColorSpace = 1;
- } else {
- image->useColorSpace = 0;
- }
- if (!parameters.nb_tile_to_decode) {
- if (!opj_set_decode_area(l_codec, image, parameters.DA_x0,
- parameters.DA_y0, parameters.DA_x1, parameters.DA_y1)) {
- opj_image_destroy(image);
- image = NULL;
- return FALSE;
- }
- if (!(opj_decode(l_codec, l_stream, image) && opj_end_decompress(l_codec, l_stream))) {
- opj_image_destroy(image);
- image = NULL;
- return FALSE;
- }
- } else {
- if (!opj_get_decoded_tile(l_codec, l_stream, image, parameters.tile_index)) {
- return FALSE;
- }
- }
- opj_stream_destroy(l_stream);
- l_stream = NULL;
- if( image->color_space != OPJ_CLRSPC_SYCC
- && image->numcomps == 3 && image->comps[0].dx == image->comps[0].dy
- && image->comps[1].dx != 1 ) {
- image->color_space = OPJ_CLRSPC_SYCC;
- } else if (image->numcomps <= 2) {
- image->color_space = OPJ_CLRSPC_GRAY;
- }
- if(image->color_space == OPJ_CLRSPC_SYCC) {
- color_sycc_to_rgb(image);
- }
- if(image->icc_profile_buf && !image->useColorSpace) {
- FX_Free(image->icc_profile_buf);
- image->icc_profile_buf = NULL;
- image->icc_profile_len = 0;
- }
- if(!image) {
- return FALSE;
- }
- } catch (...) {
- return FALSE;
- }
- return TRUE;
-}
-void CJPX_Decoder::GetInfo(FX_DWORD& width, FX_DWORD& height, FX_DWORD& codestream_nComps, FX_DWORD& output_nComps)
-{
- width = (FX_DWORD)image->x1;
- height = (FX_DWORD)image->y1;
- output_nComps = codestream_nComps = (FX_DWORD)image->numcomps;
-}
-FX_BOOL CJPX_Decoder::Decode(FX_LPBYTE dest_buf, int pitch, FX_BOOL bTranslateColor, FX_LPBYTE offsets)
-{
- FX_BYTE** channel_bufs;
- int* adjust_comps;
- int i, wid, hei, row, col, channel, src;
- FX_BOOL flag;
- FX_LPBYTE pChannel, pScanline, pPixel;
- try {
- if(image->comps[0].w != image->x1 || image->comps[0].h != image->y1) {
- return FALSE;
- }
- if(pitch < (int)(image->comps[0].w * 8 * image->numcomps + 31) >> 5 << 2) {
- return FALSE;
- }
- FXSYS_memset8(dest_buf, 0xff, image->y1 * pitch);
- channel_bufs = FX_Alloc(FX_BYTE*, image->numcomps);
- if (channel_bufs == NULL) {
- return FALSE;
- }
- adjust_comps = FX_Alloc(int, image->numcomps);
- if (adjust_comps == NULL) {
- FX_Free(channel_bufs);
- return FALSE;
- }
- flag = TRUE;
- for (i = 0; i < (int)image->numcomps; i ++) {
- channel_bufs[i] = dest_buf + offsets[i];
- adjust_comps[i] = image->comps[i].prec - 8;
- if(i > 0) {
- if(image->comps[i].dx != image->comps[i - 1].dx
- || image->comps[i].dy != image->comps[i - 1].dy
- || image->comps[i].prec != image->comps[i - 1].prec) {
- flag = FALSE;
- goto failed;
- }
- }
- }
- wid = image->comps[0].w;
- hei = image->comps[0].h;
- for (channel = 0; channel < (int)image->numcomps; channel++) {
- pChannel = channel_bufs[channel];
- if(adjust_comps[channel] < 0) {
- for(row = 0; row < hei; row++) {
- pScanline = pChannel + row * pitch;
- for (col = 0; col < wid; col++) {
- pPixel = pScanline + col * image->numcomps;
- src = image->comps[channel].data[row * wid + col];
- src += image->comps[channel].sgnd ? 1 << (image->comps[channel].prec - 1) : 0;
- if (adjust_comps[channel] > 0) {
- *pPixel = 0;
- } else {
- *pPixel = (FX_BYTE)(src << -adjust_comps[channel]);
- }
- }
- }
- } else {
- for(row = 0; row < hei; row++) {
- pScanline = pChannel + row * pitch;
- for (col = 0; col < wid; col++) {
- pPixel = pScanline + col * image->numcomps;
- if (!image->comps[channel].data) continue;
- src = image->comps[channel].data[row * wid + col];
- src += image->comps[channel].sgnd ? 1 << (image->comps[channel].prec - 1) : 0;
- if (adjust_comps[channel] - 1 < 0) {
- *pPixel = (FX_BYTE)((src >> adjust_comps[channel]));
- } else {
- int tmpPixel = (src >> adjust_comps[channel]) + ((src >> (adjust_comps[channel] - 1)) % 2);
- if (tmpPixel > 255) {
- tmpPixel = 255;
- } else if (tmpPixel < 0) {
- tmpPixel = 0;
- }
- *pPixel = (FX_BYTE)tmpPixel;
- }
- }
- }
- }
- }
- } catch (...) {
- if (channel_bufs) {
- FX_Free(channel_bufs);
- }
- FX_Free(adjust_comps);
- return FALSE;
- }
- FX_Free(channel_bufs);
- FX_Free(adjust_comps);
- return TRUE;
-failed:
- FX_Free(channel_bufs);
- FX_Free(adjust_comps);
- return FALSE;
-}
-void initialize_transition_table();
-void initialize_significance_luts();
-void initialize_sign_lut();
-CCodec_JpxModule::CCodec_JpxModule()
-{
-}
-void* CCodec_JpxModule::CreateDecoder(FX_LPCBYTE src_buf, FX_DWORD src_size , FX_BOOL useColorSpace)
-{
- CJPX_Decoder* pDecoder = FX_NEW CJPX_Decoder;
- if (pDecoder == NULL) {
- return NULL;
- }
- pDecoder->m_useColorSpace = useColorSpace;
- if (!pDecoder->Init(src_buf, src_size)) {
- delete pDecoder;
- return NULL;
- }
- return pDecoder;
-}
-void CCodec_JpxModule::GetImageInfo(FX_LPVOID ctx, FX_DWORD& width, FX_DWORD& height,
- FX_DWORD& codestream_nComps, FX_DWORD& output_nComps)
-{
- CJPX_Decoder* pDecoder = (CJPX_Decoder*)ctx;
- pDecoder->GetInfo(width, height, codestream_nComps, output_nComps);
-}
-FX_BOOL CCodec_JpxModule::Decode(void* ctx, FX_LPBYTE dest_data, int pitch, FX_BOOL bTranslateColor, FX_LPBYTE offsets)
-{
- CJPX_Decoder* pDecoder = (CJPX_Decoder*)ctx;
- return pDecoder->Decode(dest_data, pitch, bTranslateColor, offsets);
-}
-void CCodec_JpxModule::DestroyDecoder(void* ctx)
-{
- CJPX_Decoder* pDecoder = (CJPX_Decoder*)ctx;
- delete pDecoder;
-}
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "../../../include/fxcodec/fx_codec.h"
+#include "codec_int.h"
+#include "../fx_libopenjpeg/libopenjpeg20/openjpeg.h"
+#include "../lcms2/include/fx_lcms2.h"
+static void fx_error_callback(const char *msg, void *client_data)
+{
+ (void)client_data;
+}
+static void fx_warning_callback(const char *msg, void *client_data)
+{
+ (void)client_data;
+}
+static void fx_info_callback(const char *msg, void *client_data)
+{
+ (void)client_data;
+}
+typedef struct {
+ const unsigned char* src_data;
+ int src_size;
+ int offset;
+} decodeData;
+static OPJ_SIZE_T opj_read_from_memory (void * p_buffer, OPJ_SIZE_T p_nb_bytes, decodeData* srcData)
+{
+ if(srcData == NULL || srcData->src_size == 0 || srcData->src_data == NULL || srcData->offset >= srcData->src_size) {
+ return -1;
+ }
+ OPJ_SIZE_T readlength = p_nb_bytes;
+ OPJ_SIZE_T bufferLength = (OPJ_SIZE_T)(srcData->src_size - srcData->offset);
+ if(bufferLength <= 0) {
+ return 0;
+ }
+ if(bufferLength <= p_nb_bytes) {
+ readlength = bufferLength;
+ }
+ memcpy(p_buffer, &(srcData->src_data[srcData->offset]), readlength);
+ srcData->offset += (int)readlength;
+ return readlength;
+}
+static OPJ_SIZE_T opj_write_from_memory (void * p_buffer, OPJ_SIZE_T p_nb_bytes, decodeData* srcData)
+{
+ if(srcData == NULL || srcData->src_size == 0 || srcData->src_data == NULL || srcData->offset >= srcData->src_size) {
+ return -1;
+ }
+ OPJ_SIZE_T writeLength = p_nb_bytes;
+ OPJ_SIZE_T bufferLength = (OPJ_SIZE_T)(srcData->src_size - srcData->offset);
+ if(bufferLength <= p_nb_bytes) {
+ writeLength = bufferLength;
+ }
+ memcpy((void*&)(srcData->src_data[srcData->offset]), p_buffer, writeLength);
+ srcData->offset += (int)writeLength;
+ return writeLength;
+}
+static OPJ_OFF_T opj_skip_from_memory (OPJ_OFF_T p_nb_bytes, decodeData* srcData)
+{
+ if(srcData == NULL || srcData->src_size == 0 || srcData->src_data == NULL || srcData->offset >= srcData->src_size) {
+ return -1;
+ }
+ OPJ_OFF_T postion = srcData->offset + p_nb_bytes;
+ if(postion < 0 ) {
+ postion = 0;
+ } else if (postion > srcData->src_size) {
+ }
+ srcData->offset = (int)postion;
+ return p_nb_bytes;
+}
+static OPJ_BOOL opj_seek_from_memory (OPJ_OFF_T p_nb_bytes, decodeData * srcData)
+{
+ if(srcData == NULL || srcData->src_size == 0 || srcData->src_data == NULL || srcData->offset >= srcData->src_size) {
+ return -1;
+ }
+ srcData->offset = (int)p_nb_bytes;
+ if(srcData->offset < 0) {
+ srcData->offset = 0;
+ } else if(srcData->offset > srcData->src_size) {
+ srcData->offset = srcData->src_size;
+ }
+ return OPJ_TRUE;
+}
+opj_stream_t* fx_opj_stream_create_memory_stream (decodeData* data, OPJ_SIZE_T p_size, OPJ_BOOL p_is_read_stream)
+{
+ opj_stream_t* l_stream = 00;
+ if (!data || ! data->src_data || data->src_size <= 0 ) {
+ return NULL;
+ }
+ l_stream = opj_stream_create(p_size, p_is_read_stream);
+ if (! l_stream) {
+ return NULL;
+ }
+ opj_stream_set_user_data_v3(l_stream, data, NULL);
+ opj_stream_set_user_data_length(l_stream, data->src_size);
+ opj_stream_set_read_function(l_stream, (opj_stream_read_fn) opj_read_from_memory);
+ opj_stream_set_write_function(l_stream, (opj_stream_write_fn) opj_write_from_memory);
+ opj_stream_set_skip_function(l_stream, (opj_stream_skip_fn) opj_skip_from_memory);
+ opj_stream_set_seek_function(l_stream, (opj_stream_seek_fn) opj_seek_from_memory);
+ return l_stream;
+}
+static void sycc_to_rgb(int offset, int upb, int y, int cb, int cr,
+ int *out_r, int *out_g, int *out_b)
+{
+ int r, g, b;
+ cb -= offset;
+ cr -= offset;
+ r = y + (int)(1.402 * (float)cr);
+ if(r < 0) {
+ r = 0;
+ } else if(r > upb) {
+ r = upb;
+ } *out_r = r;
+ g = y - (int)(0.344 * (float)cb + 0.714 * (float)cr);
+ if(g < 0) {
+ g = 0;
+ } else if(g > upb) {
+ g = upb;
+ } *out_g = g;
+ b = y + (int)(1.772 * (float)cb);
+ if(b < 0) {
+ b = 0;
+ } else if(b > upb) {
+ b = upb;
+ } *out_b = b;
+}
+static void sycc444_to_rgb(opj_image_t *img)
+{
+ int *d0, *d1, *d2, *r, *g, *b;
+ const int *y, *cb, *cr;
+ int maxw, maxh, max, i, offset, upb;
+ i = (int)img->comps[0].prec;
+ offset = 1 << (i - 1);
+ upb = (1 << i) - 1;
+ maxw = (int)img->comps[0].w;
+ maxh = (int)img->comps[0].h;
+ max = maxw * maxh;
+ y = img->comps[0].data;
+ cb = img->comps[1].data;
+ cr = img->comps[2].data;
+ d0 = r = FX_Alloc(int, (size_t)max);
+ d1 = g = FX_Alloc(int, (size_t)max);
+ d2 = b = FX_Alloc(int, (size_t)max);
+ for(i = 0; i < max; ++i) {
+ sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
+ ++y;
+ ++cb;
+ ++cr;
+ ++r;
+ ++g;
+ ++b;
+ }
+ FX_Free(img->comps[0].data);
+ img->comps[0].data = d0;
+ FX_Free(img->comps[1].data);
+ img->comps[1].data = d1;
+ FX_Free(img->comps[2].data);
+ img->comps[2].data = d2;
+}
+static void sycc422_to_rgb(opj_image_t *img)
+{
+ int *d0, *d1, *d2, *r, *g, *b;
+ const int *y, *cb, *cr;
+ int maxw, maxh, max, offset, upb;
+ int i, j;
+ i = (int)img->comps[0].prec;
+ offset = 1 << (i - 1);
+ upb = (1 << i) - 1;
+ maxw = (int)img->comps[0].w;
+ maxh = (int)img->comps[0].h;
+ max = maxw * maxh;
+ y = img->comps[0].data;
+ cb = img->comps[1].data;
+ cr = img->comps[2].data;
+ d0 = r = FX_Alloc(int, (size_t)max);
+ d1 = g = FX_Alloc(int, (size_t)max);
+ d2 = b = FX_Alloc(int, (size_t)max);
+ for(i = 0; i < maxh; ++i) {
+ for(j = 0; j < maxw; j += 2) {
+ sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
+ ++y;
+ ++r;
+ ++g;
+ ++b;
+ sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
+ ++y;
+ ++r;
+ ++g;
+ ++b;
+ ++cb;
+ ++cr;
+ }
+ }
+ FX_Free(img->comps[0].data);
+ img->comps[0].data = d0;
+ FX_Free(img->comps[1].data);
+ img->comps[1].data = d1;
+ FX_Free(img->comps[2].data);
+ img->comps[2].data = d2;
+ img->comps[1].w = maxw;
+ img->comps[1].h = maxh;
+ img->comps[2].w = maxw;
+ img->comps[2].h = maxh;
+ img->comps[1].w = (OPJ_UINT32)maxw;
+ img->comps[1].h = (OPJ_UINT32)maxh;
+ img->comps[2].w = (OPJ_UINT32)maxw;
+ img->comps[2].h = (OPJ_UINT32)maxh;
+ img->comps[1].dx = img->comps[0].dx;
+ img->comps[2].dx = img->comps[0].dx;
+ img->comps[1].dy = img->comps[0].dy;
+ img->comps[2].dy = img->comps[0].dy;
+}
+static void sycc420_to_rgb(opj_image_t *img)
+{
+ int *d0, *d1, *d2, *r, *g, *b, *nr, *ng, *nb;
+ const int *y, *cb, *cr, *ny;
+ int maxw, maxh, max, offset, upb;
+ int i, j;
+ i = (int)img->comps[0].prec;
+ offset = 1 << (i - 1);
+ upb = (1 << i) - 1;
+ maxw = (int)img->comps[0].w;
+ maxh = (int)img->comps[0].h;
+ max = maxw * maxh;
+ y = img->comps[0].data;
+ cb = img->comps[1].data;
+ cr = img->comps[2].data;
+ d0 = r = FX_Alloc(int, (size_t)max);
+ d1 = g = FX_Alloc(int, (size_t)max);
+ d2 = b = FX_Alloc(int, (size_t)max);
+ for(i = 0; i < maxh; i += 2) {
+ ny = y + maxw;
+ nr = r + maxw;
+ ng = g + maxw;
+ nb = b + maxw;
+ for(j = 0; j < maxw; j += 2) {
+ sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
+ ++y;
+ ++r;
+ ++g;
+ ++b;
+ sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
+ ++y;
+ ++r;
+ ++g;
+ ++b;
+ sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
+ ++ny;
+ ++nr;
+ ++ng;
+ ++nb;
+ sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
+ ++ny;
+ ++nr;
+ ++ng;
+ ++nb;
+ ++cb;
+ ++cr;
+ }
+ y += maxw;
+ r += maxw;
+ g += maxw;
+ b += maxw;
+ }
+ FX_Free(img->comps[0].data);
+ img->comps[0].data = d0;
+ FX_Free(img->comps[1].data);
+ img->comps[1].data = d1;
+ FX_Free(img->comps[2].data);
+ img->comps[2].data = d2;
+ img->comps[1].w = maxw;
+ img->comps[1].h = maxh;
+ img->comps[2].w = maxw;
+ img->comps[2].h = maxh;
+ img->comps[1].w = (OPJ_UINT32)maxw;
+ img->comps[1].h = (OPJ_UINT32)maxh;
+ img->comps[2].w = (OPJ_UINT32)maxw;
+ img->comps[2].h = (OPJ_UINT32)maxh;
+ img->comps[1].dx = img->comps[0].dx;
+ img->comps[2].dx = img->comps[0].dx;
+ img->comps[1].dy = img->comps[0].dy;
+ img->comps[2].dy = img->comps[0].dy;
+}
+void color_sycc_to_rgb(opj_image_t *img)
+{
+ if(img->numcomps < 3) {
+ img->color_space = OPJ_CLRSPC_GRAY;
+ return;
+ }
+ if((img->comps[0].dx == 1)
+ && (img->comps[1].dx == 2)
+ && (img->comps[2].dx == 2)
+ && (img->comps[0].dy == 1)
+ && (img->comps[1].dy == 2)
+ && (img->comps[2].dy == 2)) {
+ sycc420_to_rgb(img);
+ } else if((img->comps[0].dx == 1)
+ && (img->comps[1].dx == 2)
+ && (img->comps[2].dx == 2)
+ && (img->comps[0].dy == 1)
+ && (img->comps[1].dy == 1)
+ && (img->comps[2].dy == 1)) {
+ sycc422_to_rgb(img);
+ } else if((img->comps[0].dx == 1)
+ && (img->comps[1].dx == 1)
+ && (img->comps[2].dx == 1)
+ && (img->comps[0].dy == 1)
+ && (img->comps[1].dy == 1)
+ && (img->comps[2].dy == 1)) {
+ sycc444_to_rgb(img);
+ } else {
+ return;
+ }
+ img->color_space = OPJ_CLRSPC_SRGB;
+}
+void color_apply_icc_profile(opj_image_t *image)
+{
+ cmsHPROFILE in_prof, out_prof;
+ cmsHTRANSFORM transform;
+ cmsColorSpaceSignature in_space, out_space;
+ cmsUInt32Number intent, in_type, out_type, nr_samples;
+ int *r, *g, *b;
+ int prec, i, max, max_w, max_h;
+ OPJ_COLOR_SPACE oldspace;
+ in_prof =
+ cmsOpenProfileFromMem(image->icc_profile_buf, image->icc_profile_len);
+ if(in_prof == NULL) {
+ return;
+ }
+ in_space = cmsGetPCS(in_prof);
+ out_space = cmsGetColorSpace(in_prof);
+ intent = cmsGetHeaderRenderingIntent(in_prof);
+ max_w = (int)image->comps[0].w;
+ max_h = (int)image->comps[0].h;
+ prec = (int)image->comps[0].prec;
+ oldspace = image->color_space;
+ if(out_space == cmsSigRgbData) {
+ if( prec <= 8 ) {
+ in_type = TYPE_RGB_8;
+ out_type = TYPE_RGB_8;
+ } else {
+ in_type = TYPE_RGB_16;
+ out_type = TYPE_RGB_16;
+ }
+ out_prof = cmsCreate_sRGBProfile();
+ image->color_space = OPJ_CLRSPC_SRGB;
+ } else if(out_space == cmsSigGrayData) {
+ if( prec <= 8 ) {
+ in_type = TYPE_GRAY_8;
+ out_type = TYPE_RGB_8;
+ } else {
+ in_type = TYPE_GRAY_16;
+ out_type = TYPE_RGB_16;
+ }
+ out_prof = cmsCreate_sRGBProfile();
+ image->color_space = OPJ_CLRSPC_SRGB;
+ } else if(out_space == cmsSigYCbCrData) {
+ in_type = TYPE_YCbCr_16;
+ out_type = TYPE_RGB_16;
+ out_prof = cmsCreate_sRGBProfile();
+ image->color_space = OPJ_CLRSPC_SRGB;
+ } else {
+ return;
+ }
+ transform = cmsCreateTransform(in_prof, in_type,
+ out_prof, out_type, intent, 0);
+ cmsCloseProfile(in_prof);
+ cmsCloseProfile(out_prof);
+ if(transform == NULL) {
+ image->color_space = oldspace;
+ return;
+ }
+ if(image->numcomps > 2) {
+ if( prec <= 8 ) {
+ unsigned char *inbuf, *outbuf, *in, *out;
+ max = max_w * max_h;
+ nr_samples = (cmsUInt32Number)max * 3 * (cmsUInt32Number)sizeof(unsigned char);
+ in = inbuf = FX_Alloc(unsigned char, nr_samples);
+ out = outbuf = FX_Alloc(unsigned char, nr_samples);
+ r = image->comps[0].data;
+ g = image->comps[1].data;
+ b = image->comps[2].data;
+ for(i = 0; i < max; ++i) {
+ *in++ = (unsigned char) * r++;
+ *in++ = (unsigned char) * g++;
+ *in++ = (unsigned char) * b++;
+ }
+ cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max);
+ r = image->comps[0].data;
+ g = image->comps[1].data;
+ b = image->comps[2].data;
+ for(i = 0; i < max; ++i) {
+ *r++ = (int) * out++;
+ *g++ = (int) * out++;
+ *b++ = (int) * out++;
+ }
+ FX_Free(inbuf);
+ FX_Free(outbuf);
+ } else {
+ unsigned short *inbuf, *outbuf, *in, *out;
+ max = max_w * max_h;
+ nr_samples = (cmsUInt32Number)max * 3 * (cmsUInt32Number)sizeof(unsigned short);
+ in = inbuf = FX_Alloc(unsigned short, nr_samples);
+ out = outbuf = FX_Alloc(unsigned short, nr_samples);
+ r = image->comps[0].data;
+ g = image->comps[1].data;
+ b = image->comps[2].data;
+ for(i = 0; i < max; ++i) {
+ *in++ = (unsigned short) * r++;
+ *in++ = (unsigned short) * g++;
+ *in++ = (unsigned short) * b++;
+ }
+ cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max);
+ r = image->comps[0].data;
+ g = image->comps[1].data;
+ b = image->comps[2].data;
+ for(i = 0; i < max; ++i) {
+ *r++ = (int) * out++;
+ *g++ = (int) * out++;
+ *b++ = (int) * out++;
+ }
+ FX_Free(inbuf);
+ FX_Free(outbuf);
+ }
+ } else {
+ unsigned char *in, *inbuf, *out, *outbuf;
+ max = max_w * max_h;
+ nr_samples = (cmsUInt32Number)max * 3 * sizeof(unsigned char);
+ in = inbuf = FX_Alloc(unsigned char, nr_samples);
+ out = outbuf = FX_Alloc(unsigned char, nr_samples);
+ image->comps = (opj_image_comp_t*)
+ realloc(image->comps, (image->numcomps + 2) * sizeof(opj_image_comp_t));
+ if(image->numcomps == 2) {
+ image->comps[3] = image->comps[1];
+ }
+ image->comps[1] = image->comps[0];
+ image->comps[2] = image->comps[0];
+ image->comps[1].data = FX_Alloc(int, (size_t)max);
+ FXSYS_memset8(image->comps[1].data, 0, sizeof(int) * (size_t)max);
+ image->comps[2].data = FX_Alloc(int, (size_t)max);
+ FXSYS_memset8(image->comps[2].data, 0, sizeof(int) * (size_t)max);
+ image->numcomps += 2;
+ r = image->comps[0].data;
+ for(i = 0; i < max; ++i) {
+ *in++ = (unsigned char) * r++;
+ }
+ cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max);
+ r = image->comps[0].data;
+ g = image->comps[1].data;
+ b = image->comps[2].data;
+ for(i = 0; i < max; ++i) {
+ *r++ = (int) * out++;
+ *g++ = (int) * out++;
+ *b++ = (int) * out++;
+ }
+ FX_Free(inbuf);
+ FX_Free(outbuf);
+ }
+ cmsDeleteTransform(transform);
+}
+void color_apply_conversion(opj_image_t *image)
+{
+ int *row;
+ int enumcs, numcomps;
+ numcomps = image->numcomps;
+ if(numcomps < 3) {
+ return;
+ }
+ row = (int*)image->icc_profile_buf;
+ enumcs = row[0];
+ if(enumcs == 14) {
+ int *L, *a, *b, *red, *green, *blue, *src0, *src1, *src2;
+ double rl, ol, ra, oa, rb, ob, prec0, prec1, prec2;
+ double minL, maxL, mina, maxa, minb, maxb;
+ unsigned int default_type, il;
+ unsigned int i, max, illu;
+ cmsHPROFILE in, out;
+ cmsHTRANSFORM transform;
+ cmsUInt16Number RGB[3];
+ cmsCIELab Lab;
+ illu = 0;
+ il = 0;
+ in = cmsCreateLab4Profile(NULL);
+ out = cmsCreate_sRGBProfile();
+ transform =
+ cmsCreateTransform(in, TYPE_Lab_DBL, out, TYPE_RGB_16,
+ INTENT_PERCEPTUAL, 0);
+ cmsCloseProfile(in);
+ cmsCloseProfile(out);
+ if(transform == NULL) {
+ return;
+ }
+ prec0 = (double)image->comps[0].prec;
+ prec1 = (double)image->comps[1].prec;
+ prec2 = (double)image->comps[2].prec;
+ default_type = row[1];
+ if(default_type == 0x44454600) {
+ rl = 100;
+ ra = 170;
+ rb = 200;
+ ol = 0;
+ oa = pow(2, prec1 - 1);
+ ob = pow(2, prec2 - 2) + pow(2, prec2 - 3);
+ } else {
+ rl = row[2];
+ ra = row[4];
+ rb = row[6];
+ ol = row[3];
+ oa = row[5];
+ ob = row[7];
+ }
+ L = src0 = image->comps[0].data;
+ a = src1 = image->comps[1].data;
+ b = src2 = image->comps[2].data;
+ max = image->comps[0].w * image->comps[0].h;
+ red = FX_Alloc(int, max);
+ image->comps[0].data = red;
+ green = FX_Alloc(int, max);
+ image->comps[1].data = green;
+ blue = FX_Alloc(int, max);
+ image->comps[2].data = blue;
+ minL = -(rl * ol) / (pow(2, prec0) - 1);
+ maxL = minL + rl;
+ mina = -(ra * oa) / (pow(2, prec1) - 1);
+ maxa = mina + ra;
+ minb = -(rb * ob) / (pow(2, prec2) - 1);
+ maxb = minb + rb;
+ for(i = 0; i < max; ++i) {
+ Lab.L = minL + (double)(*L) * (maxL - minL) / (pow(2, prec0) - 1);
+ ++L;
+ Lab.a = mina + (double)(*a) * (maxa - mina) / (pow(2, prec1) - 1);
+ ++a;
+ Lab.b = minb + (double)(*b) * (maxb - minb) / (pow(2, prec2) - 1);
+ ++b;
+ cmsDoTransform(transform, &Lab, RGB, 1);
+ *red++ = RGB[0];
+ *green++ = RGB[1];
+ *blue++ = RGB[2];
+ }
+ cmsDeleteTransform(transform);
+ FX_Free(src0);
+ FX_Free(src1);
+ FX_Free(src2);
+ image->color_space = OPJ_CLRSPC_SRGB;
+ image->comps[0].prec = 16;
+ image->comps[1].prec = 16;
+ image->comps[2].prec = 16;
+ return;
+ }
+}
+class CJPX_Decoder : public CFX_Object
+{
+public:
+ CJPX_Decoder();
+ ~CJPX_Decoder();
+ FX_BOOL Init(const unsigned char* src_data, int src_size);
+ void GetInfo(FX_DWORD& width, FX_DWORD& height, FX_DWORD& codestream_nComps, FX_DWORD& output_nComps);
+ FX_BOOL Decode(FX_LPBYTE dest_buf, int pitch, FX_BOOL bTranslateColor, FX_LPBYTE offsets);
+ FX_LPCBYTE m_SrcData;
+ int m_SrcSize;
+ opj_image_t *image;
+ opj_codec_t* l_codec;
+ opj_stream_t *l_stream;
+ FX_BOOL m_useColorSpace;
+};
+CJPX_Decoder::CJPX_Decoder(): image(NULL), l_codec(NULL), l_stream(NULL), m_useColorSpace(FALSE)
+{
+}
+CJPX_Decoder::~CJPX_Decoder()
+{
+ if(l_codec) {
+ opj_destroy_codec(l_codec);
+ }
+ if(l_stream) {
+ opj_stream_destroy(l_stream);
+ }
+ if(image) {
+ opj_image_destroy(image);
+ }
+}
+FX_BOOL CJPX_Decoder::Init(const unsigned char* src_data, int src_size)
+{
+ opj_dparameters_t parameters;
+ try {
+ image = NULL;
+ m_SrcData = src_data;
+ m_SrcSize = src_size;
+ decodeData srcData;
+ srcData.offset = 0;
+ srcData.src_size = src_size;
+ srcData.src_data = src_data;
+ l_stream = fx_opj_stream_create_memory_stream(&srcData, OPJ_J2K_STREAM_CHUNK_SIZE, 1);
+ if (l_stream == NULL) {
+ return FALSE;
+ }
+ opj_set_default_decoder_parameters(&parameters);
+ parameters.decod_format = 0;
+ parameters.cod_format = 3;
+ if(FXSYS_memcmp32(m_SrcData, "\x00\x00\x00\x0c\x6a\x50\x20\x20\x0d\x0a\x87\x0a", 12) == 0) {
+ l_codec = opj_create_decompress(OPJ_CODEC_JP2);
+ parameters.decod_format = 1;
+ } else {
+ l_codec = opj_create_decompress(OPJ_CODEC_J2K);
+ }
+ if(!l_codec) {
+ return FALSE;
+ }
+ opj_set_info_handler(l_codec, fx_info_callback, 00);
+ opj_set_warning_handler(l_codec, fx_warning_callback, 00);
+ opj_set_error_handler(l_codec, fx_error_callback, 00);
+ if ( !opj_setup_decoder(l_codec, &parameters) ) {
+ return FALSE;
+ }
+ if(! opj_read_header(l_stream, l_codec, &image)) {
+ image = NULL;
+ return FALSE;
+ }
+ if(this->m_useColorSpace) {
+ image->useColorSpace = 1;
+ } else {
+ image->useColorSpace = 0;
+ }
+ if (!parameters.nb_tile_to_decode) {
+ if (!opj_set_decode_area(l_codec, image, parameters.DA_x0,
+ parameters.DA_y0, parameters.DA_x1, parameters.DA_y1)) {
+ opj_image_destroy(image);
+ image = NULL;
+ return FALSE;
+ }
+ if (!(opj_decode(l_codec, l_stream, image) && opj_end_decompress(l_codec, l_stream))) {
+ opj_image_destroy(image);
+ image = NULL;
+ return FALSE;
+ }
+ } else {
+ if (!opj_get_decoded_tile(l_codec, l_stream, image, parameters.tile_index)) {
+ return FALSE;
+ }
+ }
+ opj_stream_destroy(l_stream);
+ l_stream = NULL;
+ if( image->color_space != OPJ_CLRSPC_SYCC
+ && image->numcomps == 3 && image->comps[0].dx == image->comps[0].dy
+ && image->comps[1].dx != 1 ) {
+ image->color_space = OPJ_CLRSPC_SYCC;
+ } else if (image->numcomps <= 2) {
+ image->color_space = OPJ_CLRSPC_GRAY;
+ }
+ if(image->color_space == OPJ_CLRSPC_SYCC) {
+ color_sycc_to_rgb(image);
+ }
+ if(image->icc_profile_buf && !image->useColorSpace) {
+ FX_Free(image->icc_profile_buf);
+ image->icc_profile_buf = NULL;
+ image->icc_profile_len = 0;
+ }
+ if(!image) {
+ return FALSE;
+ }
+ } catch (...) {
+ return FALSE;
+ }
+ return TRUE;
+}
+void CJPX_Decoder::GetInfo(FX_DWORD& width, FX_DWORD& height, FX_DWORD& codestream_nComps, FX_DWORD& output_nComps)
+{
+ width = (FX_DWORD)image->x1;
+ height = (FX_DWORD)image->y1;
+ output_nComps = codestream_nComps = (FX_DWORD)image->numcomps;
+}
+FX_BOOL CJPX_Decoder::Decode(FX_LPBYTE dest_buf, int pitch, FX_BOOL bTranslateColor, FX_LPBYTE offsets)
+{
+ FX_BYTE** channel_bufs;
+ int* adjust_comps;
+ int i, wid, hei, row, col, channel, src;
+ FX_BOOL flag;
+ FX_LPBYTE pChannel, pScanline, pPixel;
+ try {
+ if(image->comps[0].w != image->x1 || image->comps[0].h != image->y1) {
+ return FALSE;
+ }
+ if(pitch < (int)(image->comps[0].w * 8 * image->numcomps + 31) >> 5 << 2) {
+ return FALSE;
+ }
+ FXSYS_memset8(dest_buf, 0xff, image->y1 * pitch);
+ channel_bufs = FX_Alloc(FX_BYTE*, image->numcomps);
+ if (channel_bufs == NULL) {
+ return FALSE;
+ }
+ adjust_comps = FX_Alloc(int, image->numcomps);
+ if (adjust_comps == NULL) {
+ FX_Free(channel_bufs);
+ return FALSE;
+ }
+ flag = TRUE;
+ for (i = 0; i < (int)image->numcomps; i ++) {
+ channel_bufs[i] = dest_buf + offsets[i];
+ adjust_comps[i] = image->comps[i].prec - 8;
+ if(i > 0) {
+ if(image->comps[i].dx != image->comps[i - 1].dx
+ || image->comps[i].dy != image->comps[i - 1].dy
+ || image->comps[i].prec != image->comps[i - 1].prec) {
+ flag = FALSE;
+ goto failed;
+ }
+ }
+ }
+ wid = image->comps[0].w;
+ hei = image->comps[0].h;
+ for (channel = 0; channel < (int)image->numcomps; channel++) {
+ pChannel = channel_bufs[channel];
+ if(adjust_comps[channel] < 0) {
+ for(row = 0; row < hei; row++) {
+ pScanline = pChannel + row * pitch;
+ for (col = 0; col < wid; col++) {
+ pPixel = pScanline + col * image->numcomps;
+ src = image->comps[channel].data[row * wid + col];
+ src += image->comps[channel].sgnd ? 1 << (image->comps[channel].prec - 1) : 0;
+ if (adjust_comps[channel] > 0) {
+ *pPixel = 0;
+ } else {
+ *pPixel = (FX_BYTE)(src << -adjust_comps[channel]);
+ }
+ }
+ }
+ } else {
+ for(row = 0; row < hei; row++) {
+ pScanline = pChannel + row * pitch;
+ for (col = 0; col < wid; col++) {
+ pPixel = pScanline + col * image->numcomps;
+ if (!image->comps[channel].data) continue;
+ src = image->comps[channel].data[row * wid + col];
+ src += image->comps[channel].sgnd ? 1 << (image->comps[channel].prec - 1) : 0;
+ if (adjust_comps[channel] - 1 < 0) {
+ *pPixel = (FX_BYTE)((src >> adjust_comps[channel]));
+ } else {
+ int tmpPixel = (src >> adjust_comps[channel]) + ((src >> (adjust_comps[channel] - 1)) % 2);
+ if (tmpPixel > 255) {
+ tmpPixel = 255;
+ } else if (tmpPixel < 0) {
+ tmpPixel = 0;
+ }
+ *pPixel = (FX_BYTE)tmpPixel;
+ }
+ }
+ }
+ }
+ }
+ } catch (...) {
+ if (channel_bufs) {
+ FX_Free(channel_bufs);
+ }
+ FX_Free(adjust_comps);
+ return FALSE;
+ }
+ FX_Free(channel_bufs);
+ FX_Free(adjust_comps);
+ return TRUE;
+failed:
+ FX_Free(channel_bufs);
+ FX_Free(adjust_comps);
+ return FALSE;
+}
+void initialize_transition_table();
+void initialize_significance_luts();
+void initialize_sign_lut();
+CCodec_JpxModule::CCodec_JpxModule()
+{
+}
+void* CCodec_JpxModule::CreateDecoder(FX_LPCBYTE src_buf, FX_DWORD src_size , FX_BOOL useColorSpace)
+{
+ CJPX_Decoder* pDecoder = FX_NEW CJPX_Decoder;
+ if (pDecoder == NULL) {
+ return NULL;
+ }
+ pDecoder->m_useColorSpace = useColorSpace;
+ if (!pDecoder->Init(src_buf, src_size)) {
+ delete pDecoder;
+ return NULL;
+ }
+ return pDecoder;
+}
+void CCodec_JpxModule::GetImageInfo(FX_LPVOID ctx, FX_DWORD& width, FX_DWORD& height,
+ FX_DWORD& codestream_nComps, FX_DWORD& output_nComps)
+{
+ CJPX_Decoder* pDecoder = (CJPX_Decoder*)ctx;
+ pDecoder->GetInfo(width, height, codestream_nComps, output_nComps);
+}
+FX_BOOL CCodec_JpxModule::Decode(void* ctx, FX_LPBYTE dest_data, int pitch, FX_BOOL bTranslateColor, FX_LPBYTE offsets)
+{
+ CJPX_Decoder* pDecoder = (CJPX_Decoder*)ctx;
+ return pDecoder->Decode(dest_data, pitch, bTranslateColor, offsets);
+}
+void CCodec_JpxModule::DestroyDecoder(void* ctx)
+{
+ CJPX_Decoder* pDecoder = (CJPX_Decoder*)ctx;
+ delete pDecoder;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 14:04:07 +0000