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remove fmemopen

This commit is contained in:
Eduardo Bart 2011-05-15 14:26:05 -03:00
parent ca38f53e15
commit 7e7d16ee5f
2 changed files with 267 additions and 277 deletions
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3
CMakeLists.txt
View File

@ -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})

69
src/framework/util/apngloader.cpp
View File

@ -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++)
{
@ -569,10 +560,8 @@ 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)
{
f1.read((char*)sig, 8);
if(f1.good() && memcmp(sig, png_sign, 8) == 0) {
len = read32(f1);
chunk = read32(f1);
@ -580,11 +569,11 @@ int load_apng(unsigned char *filedata, unsigned int filesize, struct apng_data *
{
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);
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;
@ -627,7 +616,7 @@ int load_apng(unsigned char *filedata, unsigned int filesize, struct apng_data *
memset(pOut1, 0, outimg1);
memset(pOut2, 0, outimg2);
while ( !feof(f1) )
while (!f1.eof())
{
len = read32(f1);
chunk = read32(f1);
@ -637,7 +626,7 @@ int load_apng(unsigned char *filedata, unsigned int filesize, struct apng_data *
unsigned int col;
for (i=0; i<len; i++)
{
fread(&c, 1, 1, f1);
f1.read((char*)&c, 1);
col = i/3;
if (col<256)
{
@ -652,7 +641,7 @@ int load_apng(unsigned char *filedata, unsigned int filesize, struct apng_data *
hasTRNS = 1;
for (i=0; i<len; i++)
{
fread(&c, 1, 1, f1);
f1.read((char*)&c, 1);
if (i<256)
{
trns[i] = c;
@ -766,8 +755,8 @@ int load_apng(unsigned char *filedata, unsigned int filesize, struct apng_data *
y0 = read32(f1);
d1 = read16(f1);
d2 = read16(f1);
fread(&dop, 1, 1, f1);
fread(&bop, 1, 1, f1);
f1.read((char*)&dop, 1);
f1.read((char*)&bop, 1);
crc = read32(f1);
if(d2 == 0)
@ -791,7 +780,7 @@ int load_apng(unsigned char *filedata, unsigned int filesize, struct apng_data *
}
else if (chunk == 0x49444154) /* IDAT */
{
fread(pData + zsize, 1, len, f1);
f1.read((char*)(pData + zsize), len);
zsize += len;
crc = read32(f1);
}
@ -799,7 +788,7 @@ int load_apng(unsigned char *filedata, unsigned int filesize, struct apng_data *
{
seq = read32(f1);
len -= 4;
fread(pData + zsize, 1, len, f1);
f1.read((char*)(pData + zsize), len);
zsize += len;
crc = read32(f1);
}
@ -829,7 +818,7 @@ int load_apng(unsigned char *filedata, unsigned int filesize, struct apng_data *
c = (unsigned char)(chunk & 0xFF);
if (notabc(c)) break;
fseek( f1, len, SEEK_CUR );
f1.seekg(len, std::ios_base::cur);
crc = read32(f1);
}
}
@ -870,8 +859,6 @@ int load_apng(unsigned char *filedata, unsigned int filesize, struct apng_data *
return -1;
} else
return -1;
} else
return -1;
return 0;
}