diff options
Diffstat (limited to 'core/src/fxcodec/codec/fx_codec_jpx_opj.cpp')
-rw-r--r-- | core/src/fxcodec/codec/fx_codec_jpx_opj.cpp | 1598 |
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(¶meters);
- 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, ¶meters) ) {
- 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(¶meters); + 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, ¶meters) ) { + 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; +} |