bool LoadTGA(Texture* texture, const char* filename)
{
FILE* fTGA;
fTGA = fopen(filename, "rb");
if(fTGA == NULL)//If it didn't open....
{
return false;
}
if(fread(&tgaheader, sizeof(TGAHeader), 1, fTGA) == 0) //Attempt to read 12 byte header from file
{
if(fTGA != NULL) //Check to seeiffile is still open
{
fclose(fTGA); //If it is, close it
}
return false;
}
if(memcmp(uTGAcompare, &tgaheader, sizeof(tgaheader)) == 0) //See if header matches the predefined header of
{ //an Uncompressed TGA image
LoadUncompressedTGA(texture, filename, fTGA); //If so, jump to Uncompressed TGA loading code
}
else if(memcmp(cTGAcompare, &tgaheader, sizeof(tgaheader)) == 0) //See if header matches the predefined header of
{ //an RLE compressed TGA image
LoadCompressedTGA(texture, filename, fTGA); //If so, jump to Compressed TGA loading code
}
else // If header matches neither type
{
fclose(fTGA);
return false;
}
return true;
}
bool IMAGE::LoadTGA (const char* szFile)
{
FILE* pFile = fopen (szFile, "rb");
if (!pFile)
return (false);
// Read the header of the TGA, compare it with the known headers for compressed and uncompressed TGAs
unsigned char ucHeader[18];
fread (ucHeader, sizeof (unsigned char) * 18, 1, pFile);
while (ucHeader[0] > 0)
{
--ucHeader[0];
unsigned char temp;
fread (&temp, sizeof (unsigned char), 1, pFile);
}
m_iImageWidth = ucHeader[13] * 256 + ucHeader[12];
m_iImageHeight = ucHeader[15] * 256 + ucHeader[14];
m_iBytesPerPixel = ucHeader[16] / 8;
// check whether width, height an BitsPerPixel are valid
if ((m_iImageWidth <= 0) || (m_iImageHeight <= 0) || ((m_iBytesPerPixel != 1) && (m_iBytesPerPixel != 3) && (m_iBytesPerPixel != 4)))
{
fclose (pFile);
return (false);
}
// allocate the image-buffer
m_Pixels.resize (m_iImageWidth * m_iImageHeight * 4);
// call the appropriate loader-routine
if (ucHeader[2] == 2)
{
LoadUncompressedTGA (pFile);
}
else
if (ucHeader[2] == 10)
{
LoadCompressedTGA (pFile);
}
else
{
fclose (pFile);
return (false);
}
fclose (pFile);
return (true);
}
//TGA Loader
bool LoadTGA(const char *fname)
{
// TGA image data
FILE * fTGA; // File pointer to texture file
fTGA = fopen(fname, "rb"); // Open file for reading
if(fTGA == NULL) // If it didn't open....
{
std::stringstream warning;
warning << "Could not open texture file: " << fname;
//possibly do something other than a messagebox here.
MessageBox(NULL, warning.str().c_str(), "ERROR", MB_OK); // Display an error message
return false; // Exit function
}
//we need to see what type of TGA we are loading.
if(fread(&tgaheader, sizeof(TGAHeader), 1, fTGA) == 0) // Attempt to read 12 byte header from file
{
MessageBox(NULL, "Could not read file header", "ERROR", MB_OK); // If it fails, display an error message
if(fTGA != NULL) // Check to seeiffile is still open
{
fclose(fTGA); // If it is, close it
}
return false; // Exit function
}
if(memcmp(uTGAcompare, &tgaheader, sizeof(tgaheader)) == 0) // See if header matches the predefined header of
{ // an Uncompressed TGA image
LoadUncompressedTGA( fname, fTGA); // If so, jump to Uncompressed TGA loading code
}
else if(memcmp(cTGAcompare, &tgaheader, sizeof(tgaheader)) == 0) // See if header matches the predefined header of
{ // an RLE compressed TGA image
LoadCompressedTGA( fname, fTGA); // If so, jump to Compressed TGA loading code
}
else // If header matches neither type
{
MessageBox(NULL, "TGA file be type 2 or type 10 ", "Invalid Image", MB_OK); // Display an error
fclose(fTGA);
return false; // Exit function
}
return true; //fingers crossed!
}
bool Image2D::LoadTGA(char* filename) // Load a TGA file
{
FILE * fTGA; // File pointer to texture file
fTGA = fopen(filename, "rb"); // Open file for reading
if(fTGA == NULL) // If it didn't open....
{
cgl::Cout("Could not open file");
return false; // Exit function
}
if(fread(&this->header, sizeof(this->header), 1, fTGA) == 0) // Attempt to read 12 byte header from file
{
cgl::Cout("Could not read file header");
if(fTGA != NULL) // Check to seeiffile is still open
{
fclose(fTGA); // If it is, close it
}
return false; // Exit function
}
if(memcmp(this->uTGAcompare, &this->header, sizeof(this->header)) == 0) // See if header matches the predefined header of
{ // an Uncompressed TGA image
LoadUncompressedTGA(filename, fTGA); // If so, jump to Uncompressed TGA loading code
}
else if(memcmp(this->cTGAcompare, &this->header, sizeof(this->header)) == 0) // See if header matches the predefined header of
{ // an RLE compressed TGA image
LoadCompressedTGA(filename, fTGA); // If so, jump to Compressed TGA loading code
}
else // If header matches neither type
{
cgl::Cout("TGA file is not compressed or uncompressed (type 2 or 10)");
fclose(fTGA);
return false; // Exit function
}
glGenTextures(1, &this->ID);
glBindTexture(GL_TEXTURE_2D, this->ID);
glTexImage2D(GL_TEXTURE_2D, 0, this->bpp / 8, this->width, this->height, 0,this->type, GL_UNSIGNED_BYTE, this->dataTGA);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
if (this->dataTGA) // If Texture Image Exists ( CHANGE )
{
free(this->dataTGA); // Free The Texture Image Memory ( CHANGE )
}
return true; // All went well, continue on
}
bool Texture::LoadTGA(std::string filename)
{
FILE * fTGA; // File pointer to texture file
fTGA = fopen(filename.c_str(), "rb"); // Open file for reading
if(fTGA == NULL) // If it didn't open....
{
std::cout<< "Could not open texture file: " << filename <<std::endl;// Display an error message
return false; // Exit function
}
if(fread(&tgaheader, sizeof(Texture::TGAHeader), 1, fTGA) == 0) // Attempt to read 12 byte header from file
{
std::cout<< "Could not read file header: " << filename <<std::endl; // If it fails, display an error message
if(fTGA != NULL) // Check to see if file is still open
{
fclose(fTGA); // If it is, close it
}
return false; // Exit function
}
GLubyte uTGAcompare[12] = {0,0,2,0,0,0,0,0,0,0,0,0}; // Uncompressed TGA Header
GLubyte cTGAcompare[12] = {0,0,10,0,0,0,0,0,0,0,0,0}; // Compressed TGA Header
if(memcmp(uTGAcompare, &tgaheader, sizeof(tgaheader)) == 0) // See if header matches the predefined header of
{ // an Uncompressed TGA image
LoadUncompressedTGA(filename.c_str(), fTGA); // If so, jump to Uncompressed TGA loading code
}
else if(memcmp(cTGAcompare, &tgaheader, sizeof(tgaheader)) == 0) // See if header matches the predefined header of
{ // an RLE compressed TGA image
LoadCompressedTGA(filename.c_str(), fTGA); // If so, jump to Compressed TGA loading code
}
else // If header matches neither type
{
std::cout<< "TGA file be type 2 or type 10: " << filename <<std::endl; // Display an error
fclose(fTGA);
return false; // Exit function
}
return true; // All went well, continue on
}
bool LoadTGA(Texture * texture, char * filename) // Load a TGA file
{
FILE * fTGA; // File pointer to texture file
fTGA = fopen(filename, "rb"); // Open file for reading
//fTGA = fopen("textura_perete.tga","rb");
if(fTGA == NULL) // If it didn't open....
{
// MessageBoxA(NULL, "Could not open texture file", filename, MB_OK); // Display an error message
return false; // Exit function
}
if(fread(&tgaheader, sizeof(TGAHeader), 1, fTGA) == 0) // Attempt to read 12 byte header from file
{
// MessageBoxA(NULL, "Could not read file header", filename, MB_OK); // If it fails, display an error message
if(fTGA != NULL) // Check to seeiffile is still open
{
fclose(fTGA); // If it is, close it
}
return false; // Exit function
}
if(memcmp(uTGAcompare, &tgaheader, sizeof(tgaheader)) == 0) // See if header matches the predefined header of
{ // an Uncompressed TGA image
LoadUncompressedTGA(texture, filename, fTGA); // If so, jump to Uncompressed TGA loading code
}
else if(memcmp(cTGAcompare, &tgaheader, sizeof(tgaheader)) == 0) // See if header matches the predefined header of
{ // an RLE compressed TGA image
LoadCompressedTGA(texture, filename, fTGA); // If so, jump to Compressed TGA loading code
}
else // If header matches neither type
{
// MessageBoxA(NULL, "TGA file be type 2 or type 10 ", filename, MB_OK); // Display an error
fclose(fTGA);
return false; // Exit function
}
return true; // All went well, continue on
}
BOOL LoadTGA(Texture * texture,const char * filename) /* Load a TGA file */
{
FILE * fTGA; /* File pointer to texture file */
fTGA = fopen(filename, "rb"); /* Open file for reading */
if(fTGA == NULL) /* If it didn't open.... */
{
printf("Error could not open texture file"); /* Display an error message */
return False; /* Exit function */
}
if(fread(&tgaheader, sizeof(TGAHeader), 1, fTGA) == 0) /* Attempt to read 12 byte header from file */
{
printf("Error could not read file header"); /* If it fails, display an error message */
if(fTGA != NULL) /* Check to seeiffile is still open */
{
fclose(fTGA); /* If it is, close it */
}
return False; /* Exit function */
}
if(memcmp(uTGAcompare, &tgaheader, sizeof(tgaheader)) == 0) /* See if header matches the predefined header of */
{ /* an Uncompressed TGA image */
LoadUncompressedTGA(texture, filename, fTGA); /* If so, jump to Uncompressed TGA loading code */
}
else if(memcmp(cTGAcompare, &tgaheader, sizeof(tgaheader)) == 0) /* See if header matches the predefined header of */
{ /* an RLE compressed TGA image */
LoadCompressedTGA(texture, filename, fTGA); /* If so, jump to Compressed TGA loading code */
}
else /* If header matches neither type */
{
printf("Error TGA file be type 2 or type 10 "); /* Display an error */
fclose(fTGA);
return False; /* Exit function */
}
return True; /* All went well, continue on */
}
