1
| | bool Texture::Load (char *arg_pFilename)
{
FILE *l_pFile = fopen (arg_pFilename, "rb");
if (!l_pFile)
{
printf("Couldn't open Texture file: %s\n", arg_pFilename);
return false;
}
Uint8 l_aFileHeader[12];
if (fread (l_aFileHeader, 1, sizeof (l_aFileHeader), l_pFile) != sizeof (l_aFileHeader))
{
printf ("Error: TGA file %s lacks the first 12 bytes of the header! File probably corrupt!\n", arg_pFilename);
fclose (l_pFile);
return false;
}
Uint8 l_aCorrectHeader[12] = {0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0}; , arg_pFilename);
fclose (l_pFile);
return false;
}
Uint8 l_ImageInfo[6];
if (fread (l_ImageInfo, 1, sizeof (l_ImageInfo), l_pFile) != sizeof (l_ImageInfo))
{
printf ("Error: TGA file %s lacks the last 6 bytes of the header! File probably corrupt!\n", arg_pFilename);
fclose (l_pFile);
return false;
}
// In TGA, all integers are stored in little-endian format
Uint16 l_Width = l_ImageInfo[1] * 256 + l_ImageInfo[0];
Uint16 l_Height = l_ImageInfo[3] * 256 + l_ImageInfo[2];
if (!l_Width || !l_Height)
{
printf ("Error: TGA image %s has a width or height of 0!\n", arg_pFilename);
fclose (l_pFile);
return false;
}
Uint8 l_Bpp = l_ImageInfo[4]; // bits per pixel
if (l_Bpp != 24 && l_Bpp != 32)
{
printf ("Error: TGA image %s is in %d bit format, but only 24 and 32 bit formats are supported.\n", arg_pFilename, l_Bpp);
fclose (l_pFile);
return false;
}
Uint32 l_ImageSize = l_Width * l_Height;
m_TextureImage.m_pImageData = new Uint8 [l_ImageSize*(l_Bpp/8)];
printf ("Allocating Pointer: %h\n", m_TextureImage.m_pImageData);
if (!m_TextureImage.m_pImageData)
{
printf ("Error: Could not allocate %d bytes for image data (%s). Not enough memory?\n", l_ImageSize*(l_Bpp/8), arg_pFilename);
fclose (l_pFile);
}
/*GLubyte **l_pImageData = &m_TextureImage.m_pImageData;
if (fread (*l_pImageData, 1, l_ImageSize*(l_Bpp/8), l_pFile) != l_ImageSize*(l_Bpp/8))
{
printf ("Error: Couldn't read %d bytes of image data from %s. File probably corrupt.\n", l_ImageSize*(l_Bpp/8), arg_pFilename);
delete [] *l_pImageData;
m_TextureImage.m_pImageData = NULL;
fclose (l_pFile);
return false;
}*/
fclose (l_pFile);
m_TextureImage.m_Bpp = l_Bpp;
m_TextureImage.m_Height = l_Height;
m_TextureImage.m_Width = l_Width;
// At this point we should have the complete TGA image loaded into memory. Last thing we need to do: Switch BGR(A) to RGB(A)
Uint8 l_Temp;
/*Uint8 *l_pPixel = *l_pImageData;
for (Uint32 l_PixelNr = 0; l_PixelNr < l_ImageSize; l_PixelNr++)
{
l_Temp = *l_pPixel;
*l_pPixel = *(l_pPixel+2);
*(l_pPixel+2) = l_Temp;
l_pPixel+=(l_Bpp/8);
}*/
return true; // Success
}
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