void Z_DumpMemMap_f(void)
{
# define WRITECHAR(C) \
Sys_Log("memmap.txt", C, 1, false); \
cur += 1024; \
if ((++counter) % 81 == 0) Sys_Log("memmap.txt", "\n", 1, false);
unsigned int cur = (unsigned int)s_PoolBase;
unsigned int counter = 0;
for (ZoneFreeBlock* fblock = &s_FreeStart; fblock != &s_FreeEnd; fblock = fblock->m_Next)
{
while (fblock->m_Address > cur + 1024)
{
WRITECHAR("*");
}
if (fblock->m_Address > cur && fblock->m_Address < cur + 1024)
{
WRITECHAR("+");
}
while (fblock->m_Address + fblock->m_Size > cur + 1024)
{
WRITECHAR("-");
}
if (fblock->m_Address + fblock->m_Size > cur &&
fblock->m_Address + fblock->m_Size < cur + 1024)
{
WRITECHAR("+");
}
}
Sys_Log("memmap.txt", "\n");
}
ImageIO::errorType ImageIO::saveTGA(const char * filename)
{
// This routine writes the result as a uncompressed TGA file
FILE *file = fopen(filename, "wb");
if (!file)
{
printf("Error in saveTGA: Cannot open file %s.\n", filename);
return IO_ERROR;
}
// we write the header in little endian manner,
// namely, information is stored with the low order byte followed by the high order byte.
unsigned char buf;
#define WRITECHAR(ch)\
buf = (ch);\
fwrite(&buf, sizeof(unsigned char), 1, file);
WRITECHAR(0); // id length, length of a string located after the header, 0 = no string
WRITECHAR(0); // color map type
WRITECHAR(IMAGE_IO_UNCOMPRESSED_RGB); // data type code
WRITECHAR(0);
WRITECHAR(0); // short integer, color map origin (little endian)
WRITECHAR(0);
WRITECHAR(0); // short integer, color map length (little endian)
WRITECHAR(0); // color map depth
WRITECHAR(0);
WRITECHAR(0); // short integer, x origin (little endian)
WRITECHAR(0);
WRITECHAR(0); // short integer, y origin (little endian)
WRITECHAR(width % 256);
WRITECHAR((width / 256) % 256); // image width (little endian)
WRITECHAR(height % 256);
WRITECHAR((height / 256) % 256); // image height (little endian)
switch (bytesPerPixel)
{
case IMAGE_IO_RGB_ALPHA:
WRITECHAR(32); // 32 bit bitmap
break;
case IMAGE_IO_RGB:
WRITECHAR(24); // 24 bit map
break;
default:
printf("Error in saveTGA: cannot handle the case where bytes per pixel is neither 3 nor 4.\n");
fclose(file);
return IO_ERROR;
break;
}
WRITECHAR(0); // image descriptor
unsigned char * pixelBuf = (unsigned char*) malloc (sizeof(unsigned char) * width * height * bytesPerPixel);
if (pixelBuf == NULL)
{
printf("Error in saveTGA: cannot allocate memory for pixel buffer.\n");
fclose(file);
return IO_ERROR;
}
memcpy(pixelBuf, pixels, sizeof(unsigned char) * width * height * bytesPerPixel);
// The order of the color is BGR(A) not RGB(A)
for(unsigned int pixelIndex = 0; pixelIndex < width * height; pixelIndex++)
{
unsigned int offset = pixelIndex * bytesPerPixel;
unsigned char temp;
enum{R, G, B, A};
temp = pixelBuf[offset + R];
pixelBuf[offset + R] = pixelBuf[offset + B];
pixelBuf[offset + B] = temp;
}
fwrite(pixelBuf, sizeof(unsigned char), width * height * bytesPerPixel, file);
free(pixelBuf);
fclose(file);
return OK;
#undef WRITECHAR
}
