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remove fmemopen

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master
Eduardo Bart 13 years ago
parent ca38f53e15
commit 7e7d16ee5f
2 changed files with 269 additions and 279 deletions
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3
CMakeLists.txt
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@ -12,6 +12,7 @@ FIND_PACKAGE(Lua51 REQUIRED)
FIND_PACKAGE(YamlCpp REQUIRED)
FIND_PACKAGE(PhysFS REQUIRED)
FIND_PACKAGE(GMP REQUIRED)
FIND_PACKAGE(ZLIB REQUIRED)
# choose a default build type if not specified
IF(NOT CMAKE_BUILD_TYPE)
@ -35,6 +36,7 @@ INCLUDE_DIRECTORIES(
${YAMLCPP_INCLUDE_DIR}
${PHYSFS_INCLUDE_DIR}
${GMP_INCLUDE_DIR}
${ZLIB_INCLUDE_DIR}
"${CMAKE_CURRENT_SOURCE_DIR}/src/framework")
LINK_DIRECTORIES(
@ -130,4 +132,5 @@ TARGET_LINK_LIBRARIES(otclient
${YAMLCPP_LIBRARY}
${PHYSFS_LIBRARY}
${GMP_LIBRARIES}
${ZLIB_LIBRARY}
${ADDITIONAL_LIBRARIES})

545
src/framework/util/apngloader.cpp
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@ -27,16 +27,9 @@
#include <memory.h>
#include <zlib.h>
#include "apngloader.h"
// hack to create a portable fmemopen
FILE *fmemopen (void *buf, size_t size, const char *opentype)
{
FILE *f;
f = tmpfile();
fwrite(buf, 1, size, f);
rewind(f);
return f;
}
#include <iostream>
#include <sstream>
#include <fstream>
#if defined(_MSC_VER) && _MSC_VER >= 1300
#define swap16(data) _byteswap_ushort(data)
@ -84,21 +77,21 @@ unsigned int palsize, trnssize;
unsigned int hasTRNS;
unsigned short trns1, trns2, trns3;
unsigned int read32(FILE * f1)
unsigned int read32(std::istream& f1)
{
unsigned char a, b, c, d;
fread(&a, 1, 1, f1);
fread(&b, 1, 1, f1);
fread(&c, 1, 1, f1);
fread(&d, 1, 1, f1);
f1.read((char*)&a, 1);
f1.read((char*)&b, 1);
f1.read((char*)&c, 1);
f1.read((char*)&d, 1);
return ((unsigned int)a<<24)+((unsigned int)b<<16)+((unsigned int)c<<8)+(unsigned int)d;
}
unsigned short read16(FILE * f1)
unsigned short read16(std::istream& f1)
{
unsigned char a, b;
fread(&a, 1, 1, f1);
fread(&b, 1, 1, f1);
f1.read((char*)&a, 1);
f1.read((char*)&b, 1);
return ((unsigned short)a<<8)+(unsigned short)b;
}
@ -516,7 +509,6 @@ void compose6(unsigned char * dst, unsigned int dstbytes, unsigned char * src, u
int load_apng(unsigned char *filedata, unsigned int filesize, struct apng_data *apng)
{
int res;
unsigned int i, j;
unsigned int rowbytes;
int imagesize, zbuf_size, zsize, trns_idx;
@ -530,9 +522,8 @@ int load_apng(unsigned char *filedata, unsigned int filesize, struct apng_data *
unsigned char coltype, compr, filter, interl;
z_stream zstream;
memset(apng, 0, sizeof(struct apng_data));
FILE * f1 = fmemopen(filedata, filesize, "rb");
if(!f1)
return -1;
std::istringstream f1;
f1.rdbuf()->pubsetbuf((char*)filedata, filesize);
for (i=0; i<256; i++)
{
@ -569,242 +560,152 @@ int load_apng(unsigned char *filedata, unsigned int filesize, struct apng_data *
unsigned char * pDst2;
unsigned int * frames_delay;
if ((res = fread(sig, 1, 8, f1)) == 8)
{
if (memcmp(sig, png_sign, 8) == 0)
{
len = read32(f1);
chunk = read32(f1);
f1.read((char*)sig, 8);
if(f1.good() && memcmp(sig, png_sign, 8) == 0) {
len = read32(f1);
chunk = read32(f1);
if ((len == 13) && (chunk == 0x49484452)) /* IHDR */
if ((len == 13) && (chunk == 0x49484452)) /* IHDR */
{
w = w0 = read32(f1);
h = h0 = read32(f1);
f1.read((char*)&depth, 1);
f1.read((char*)&coltype, 1);
f1.read((char*)&compr, 1);
f1.read((char*)&filter, 1);
f1.read((char*)&interl, 1);
crc = read32(f1);
channels = 1;
if (coltype == 2)
channels = 3;
else if (coltype == 4)
channels = 2;
else if (coltype == 6)
channels = 4;
pixeldepth = depth*channels;
bpp = (pixeldepth + 7) >> 3;
rowbytes = ROWBYTES(pixeldepth, w);
imagesize = (rowbytes + 1) * h;
zbuf_size = imagesize + ((imagesize + 7) >> 3) + ((imagesize + 63) >> 6) + 11;
/*
* We'll render into 2 output buffers, first in original coltype,
* second in RGBA.
*
* It's better to try to keep the original coltype, but if dispose/blend
* operations will make it impossible, then we'll save RGBA version instead.
*/
outrow1 = w*channels; /* output coltype = input coltype */
outrow2 = w*4; /* output coltype = RGBA */
outimg1 = h*outrow1;
outimg2 = h*outrow2;
pOut1=(unsigned char *)malloc(outimg1);
pOut2=(unsigned char *)malloc(outimg2);
pTemp=(unsigned char *)malloc(imagesize);
pData=(unsigned char *)malloc(zbuf_size);
pImg1=pOut1;
pImg2=pOut2;
frames_delay = NULL;
/* apng decoding - begin */
memset(pOut1, 0, outimg1);
memset(pOut2, 0, outimg2);
while (!f1.eof())
{
w = w0 = read32(f1);
h = h0 = read32(f1);
fread(&depth, 1, 1, f1);
fread(&coltype, 1, 1, f1);
fread(&compr, 1, 1, f1);
fread(&filter, 1, 1, f1);
fread(&interl, 1, 1, f1);
crc = read32(f1);
channels = 1;
if (coltype == 2)
channels = 3;
else if (coltype == 4)
channels = 2;
else if (coltype == 6)
channels = 4;
pixeldepth = depth*channels;
bpp = (pixeldepth + 7) >> 3;
rowbytes = ROWBYTES(pixeldepth, w);
imagesize = (rowbytes + 1) * h;
zbuf_size = imagesize + ((imagesize + 7) >> 3) + ((imagesize + 63) >> 6) + 11;
/*
* We'll render into 2 output buffers, first in original coltype,
* second in RGBA.
*
* It's better to try to keep the original coltype, but if dispose/blend
* operations will make it impossible, then we'll save RGBA version instead.
*/
outrow1 = w*channels; /* output coltype = input coltype */
outrow2 = w*4; /* output coltype = RGBA */
outimg1 = h*outrow1;
outimg2 = h*outrow2;
pOut1=(unsigned char *)malloc(outimg1);
pOut2=(unsigned char *)malloc(outimg2);
pTemp=(unsigned char *)malloc(imagesize);
pData=(unsigned char *)malloc(zbuf_size);
pImg1=pOut1;
pImg2=pOut2;
frames_delay = NULL;
/* apng decoding - begin */
memset(pOut1, 0, outimg1);
memset(pOut2, 0, outimg2);
while ( !feof(f1) )
{
len = read32(f1);
chunk = read32(f1);
len = read32(f1);
chunk = read32(f1);
if (chunk == 0x504C5445) /* PLTE */
if (chunk == 0x504C5445) /* PLTE */
{
unsigned int col;
for (i=0; i<len; i++)
{
unsigned int col;
for (i=0; i<len; i++)
f1.read((char*)&c, 1);
col = i/3;
if (col<256)
{
fread(&c, 1, 1, f1);
col = i/3;
if (col<256)
{
pal[col][i%3] = c;
palsize = col+1;
}
pal[col][i%3] = c;
palsize = col+1;
}
crc = read32(f1);
}
else if (chunk == 0x74524E53) /* tRNS */
crc = read32(f1);
}
else if (chunk == 0x74524E53) /* tRNS */
{
hasTRNS = 1;
for (i=0; i<len; i++)
{
hasTRNS = 1;
for (i=0; i<len; i++)
f1.read((char*)&c, 1);
if (i<256)
{
fread(&c, 1, 1, f1);
if (i<256)
{
trns[i] = c;
trnssize = i+1;
if (c == 0 && coltype == 3 && trns_idx == -1)
trns_idx = i;
}
trns[i] = c;
trnssize = i+1;
if (c == 0 && coltype == 3 && trns_idx == -1)
trns_idx = i;
}
}
if (coltype == 0)
{
trns1 = readshort(&trns[0]);
if (depth == 16)
{
trns[1] = trns[0]; trns[0] = 0;
}
if (coltype == 0)
}
else
if (coltype == 2)
{
trns1 = readshort(&trns[0]);
trns2 = readshort(&trns[2]);
trns3 = readshort(&trns[4]);
if (depth == 16)
{
trns[1] = trns[0]; trns[0] = 0;
trns[3] = trns[2]; trns[2] = 0;
trns[5] = trns[4]; trns[4] = 0;
}
}
else
if (coltype == 2)
{
trns1 = readshort(&trns[0]);
trns2 = readshort(&trns[2]);
trns3 = readshort(&trns[4]);
if (depth == 16)
{
trns[1] = trns[0]; trns[0] = 0;
trns[3] = trns[2]; trns[2] = 0;
trns[5] = trns[4]; trns[4] = 0;
}
}
crc = read32(f1);
}
else if (chunk == 0x6163544C) /* acTL */
{
frames = read32(f1);
if(frames_delay)
free(frames_delay);
frames_delay = (unsigned int*)malloc(frames*sizeof(int));
loops = read32(f1);
crc = read32(f1);
if (pOut1)
free(pOut1);
if (pOut2)
free(pOut2);
pOut1 = (unsigned char *)malloc((frames+1)*outimg1);
pOut2 = (unsigned char *)malloc((frames+1)*outimg2);
pImg1 = pOut1;
pImg2 = pOut2;
memset(pOut1, 0, outimg1);
memset(pOut2, 0, outimg2);
}
else if (chunk == 0x6663544C) /* fcTL */
}
else if (chunk == 0x6163544C) /* acTL */
{
frames = read32(f1);
if(frames_delay)
free(frames_delay);
frames_delay = (unsigned int*)malloc(frames*sizeof(int));
loops = read32(f1);
crc = read32(f1);
if (pOut1)
free(pOut1);
if (pOut2)
free(pOut2);
pOut1 = (unsigned char *)malloc((frames+1)*outimg1);
pOut2 = (unsigned char *)malloc((frames+1)*outimg2);
pImg1 = pOut1;
pImg2 = pOut2;
memset(pOut1, 0, outimg1);
memset(pOut2, 0, outimg2);
}
else if (chunk == 0x6663544C) /* fcTL */
{
if (zsize == 0)
first_frame = 1;
else
{
if (zsize == 0)
first_frame = 1;
else
if (dop == PNG_DISPOSE_OP_PREVIOUS)
{
if (dop == PNG_DISPOSE_OP_PREVIOUS)
{
if (coltype != 6)
memcpy(pImg1 + outimg1, pImg1, outimg1);
if (coltype != 4)
memcpy(pImg2 + outimg2, pImg2, outimg2);
}
pDst1 = pImg1 + y0*outrow1 + x0*channels;
pDst2 = pImg2 + y0*outrow2 + x0*4;
unpack(zstream, pTemp, imagesize, pData, zsize, h0, rowbytes, bpp);
switch (coltype)
{
case 0: compose0(pDst1, outrow1, pDst2, outrow2, pTemp, rowbytes+1, w0, h0, bop, depth); break;
case 2: compose2(pDst1, outrow1, pDst2, outrow2, pTemp, rowbytes+1, w0, h0, bop, depth); break;
case 3: compose3(pDst1, outrow1, pDst2, outrow2, pTemp, rowbytes+1, w0, h0, bop, depth); break;
case 4: compose4(pDst1, outrow1, pTemp, rowbytes+1, w0, h0, bop, depth); break;
case 6: compose6( pDst2, outrow2, pTemp, rowbytes+1, w0, h0, bop, depth); break;
}
zsize = 0;
if (dop != PNG_DISPOSE_OP_PREVIOUS)
{
if (coltype != 6)
memcpy(pImg1 + outimg1, pImg1, outimg1);
if (coltype != 4)
memcpy(pImg2 + outimg2, pImg2, outimg2);
if (dop == PNG_DISPOSE_OP_BACKGROUND)
{
pDst1 += outimg1;
pDst2 += outimg2;
for (j=0; j<h0; j++)
{
switch (coltype)
{
case 0: memset(pDst2, 0, w0*4); if (hasTRNS) memset(pDst1, trns[1], w0); else keep_original = 0; break;
case 2: memset(pDst2, 0, w0*4); if (hasTRNS) for (i=0; i<w0; i++) { pDst1[i*3] = trns[1]; pDst1[i*3+1] = trns[3]; pDst1[i*3+2] = trns[5]; } else keep_original = 0; break;
case 3: memset(pDst2, 0, w0*4); if (trns_idx >= 0) memset(pDst1, trns_idx, w0); else keep_original = 0; break;
case 4: memset(pDst1, 0, w0*2); break;
case 6: memset(pDst2, 0, w0*4); break;
}
pDst1 += outrow1;
pDst2 += outrow2;
}
}
}
}
seq = read32(f1);
w0 = read32(f1);
h0 = read32(f1);
x0 = read32(f1);
y0 = read32(f1);
d1 = read16(f1);
d2 = read16(f1);
fread(&dop, 1, 1, f1);
fread(&bop, 1, 1, f1);
crc = read32(f1);
if(d2 == 0)
d2 = 100;
frames_delay[cur_frame] = (d1 * 1000)/d2;
if (cur_frame == 0)
{
bop = PNG_BLEND_OP_SOURCE;
if (dop == PNG_DISPOSE_OP_PREVIOUS)
dop = PNG_DISPOSE_OP_BACKGROUND;
if (coltype != 6)
memcpy(pImg1 + outimg1, pImg1, outimg1);
if (coltype != 4)
memcpy(pImg2 + outimg2, pImg2, outimg2);
}
if (!(coltype & 4) && !(hasTRNS))
bop = PNG_BLEND_OP_SOURCE;
rowbytes = ROWBYTES(pixeldepth, w0);
cur_frame++;
pImg1 += outimg1;
pImg2 += outimg2;
}
else if (chunk == 0x49444154) /* IDAT */
{
fread(pData + zsize, 1, len, f1);
zsize += len;
crc = read32(f1);
}
else if (chunk == 0x66644154) /* fdAT */
{
seq = read32(f1);
len -= 4;
fread(pData + zsize, 1, len, f1);
zsize += len;
crc = read32(f1);
}
else if (chunk == 0x49454E44) /* IEND */
{
pDst1 = pImg1 + y0*outrow1 + x0*channels;
pDst2 = pImg2 + y0*outrow2 + x0*4;
unpack(zstream, pTemp, imagesize, pData, zsize, h0, rowbytes, bpp);
@ -816,58 +717,144 @@ int load_apng(unsigned char *filedata, unsigned int filesize, struct apng_data *
case 4: compose4(pDst1, outrow1, pTemp, rowbytes+1, w0, h0, bop, depth); break;
case 6: compose6( pDst2, outrow2, pTemp, rowbytes+1, w0, h0, bop, depth); break;
}
break;
zsize = 0;
if (dop != PNG_DISPOSE_OP_PREVIOUS)
{
if (coltype != 6)
memcpy(pImg1 + outimg1, pImg1, outimg1);
if (coltype != 4)
memcpy(pImg2 + outimg2, pImg2, outimg2);
if (dop == PNG_DISPOSE_OP_BACKGROUND)
{
pDst1 += outimg1;
pDst2 += outimg2;
for (j=0; j<h0; j++)
{
switch (coltype)
{
case 0: memset(pDst2, 0, w0*4); if (hasTRNS) memset(pDst1, trns[1], w0); else keep_original = 0; break;
case 2: memset(pDst2, 0, w0*4); if (hasTRNS) for (i=0; i<w0; i++) { pDst1[i*3] = trns[1]; pDst1[i*3+1] = trns[3]; pDst1[i*3+2] = trns[5]; } else keep_original = 0; break;
case 3: memset(pDst2, 0, w0*4); if (trns_idx >= 0) memset(pDst1, trns_idx, w0); else keep_original = 0; break;
case 4: memset(pDst1, 0, w0*2); break;
case 6: memset(pDst2, 0, w0*4); break;
}
pDst1 += outrow1;
pDst2 += outrow2;
}
}
}
}
else
seq = read32(f1);
w0 = read32(f1);
h0 = read32(f1);
x0 = read32(f1);
y0 = read32(f1);
d1 = read16(f1);
d2 = read16(f1);
f1.read((char*)&dop, 1);
f1.read((char*)&bop, 1);
crc = read32(f1);
if(d2 == 0)
d2 = 100;
frames_delay[cur_frame] = (d1 * 1000)/d2;
if (cur_frame == 0)
{
c = (unsigned char)(chunk>>24);
if (notabc(c)) break;
c = (unsigned char)((chunk>>16) & 0xFF);
if (notabc(c)) break;
c = (unsigned char)((chunk>>8) & 0xFF);
if (notabc(c)) break;
c = (unsigned char)(chunk & 0xFF);
if (notabc(c)) break;
fseek( f1, len, SEEK_CUR );
crc = read32(f1);
bop = PNG_BLEND_OP_SOURCE;
if (dop == PNG_DISPOSE_OP_PREVIOUS)
dop = PNG_DISPOSE_OP_BACKGROUND;
}
}
/* apng decoding - end */
if (coltype == 0)
if (!(coltype & 4) && !(hasTRNS))
bop = PNG_BLEND_OP_SOURCE;
rowbytes = ROWBYTES(pixeldepth, w0);
cur_frame++;
pImg1 += outimg1;
pImg2 += outimg2;
}
else if (chunk == 0x49444154) /* IDAT */
{
f1.read((char*)(pData + zsize), len);
zsize += len;
crc = read32(f1);
}
else if (chunk == 0x66644154) /* fdAT */
{
switch (depth)
seq = read32(f1);
len -= 4;
f1.read((char*)(pData + zsize), len);
zsize += len;
crc = read32(f1);
}
else if (chunk == 0x49454E44) /* IEND */
{
pDst1 = pImg1 + y0*outrow1 + x0*channels;
pDst2 = pImg2 + y0*outrow2 + x0*4;
unpack(zstream, pTemp, imagesize, pData, zsize, h0, rowbytes, bpp);
switch (coltype)
{
case 4: trns[1] *= 0x11; break;
case 2: trns[1] *= 0x55; break;
case 1: trns[1] *= 0xFF; break;
case 0: compose0(pDst1, outrow1, pDst2, outrow2, pTemp, rowbytes+1, w0, h0, bop, depth); break;
case 2: compose2(pDst1, outrow1, pDst2, outrow2, pTemp, rowbytes+1, w0, h0, bop, depth); break;
case 3: compose3(pDst1, outrow1, pDst2, outrow2, pTemp, rowbytes+1, w0, h0, bop, depth); break;
case 4: compose4(pDst1, outrow1, pTemp, rowbytes+1, w0, h0, bop, depth); break;
case 6: compose6( pDst2, outrow2, pTemp, rowbytes+1, w0, h0, bop, depth); break;
}
break;
}
else
{
c = (unsigned char)(chunk>>24);
if (notabc(c)) break;
c = (unsigned char)((chunk>>16) & 0xFF);
if (notabc(c)) break;
c = (unsigned char)((chunk>>8) & 0xFF);
if (notabc(c)) break;
c = (unsigned char)(chunk & 0xFF);
if (notabc(c)) break;
f1.seekg(len, std::ios_base::cur);
crc = read32(f1);
}
}
/* apng decoding - end */
if (coltype == 0)
{
switch (depth)
{
case 4: trns[1] *= 0x11; break;
case 2: trns[1] *= 0x55; break;
case 1: trns[1] *= 0xFF; break;
}
}
inflateEnd(&zstream);
apng->bpp = channels;
apng->coltype = coltype;
apng->last_frame = cur_frame;
apng->first_frame = first_frame;
apng->height = h;
apng->width = w;
apng->num_frames = frames;
apng->num_plays = loops;
apng->frames_delay = frames_delay;
apng->pdata = pOut2;
apng->bpp = 4;
apng->coltype = 6;
if(pData)
free(pData);
if(pTemp)
free(pTemp);
if(pOut1)
free(pOut1);
} else
return -1;
inflateEnd(&zstream);
apng->bpp = channels;
apng->coltype = coltype;
apng->last_frame = cur_frame;
apng->first_frame = first_frame;
apng->height = h;
apng->width = w;
apng->num_frames = frames;
apng->num_plays = loops;
apng->frames_delay = frames_delay;
apng->pdata = pOut2;
apng->bpp = 4;
apng->coltype = 6;
if(pData)
free(pData);
if(pTemp)
free(pTemp);
if(pOut1)
free(pOut1);
} else
return -1;
} else

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