Kód: Vybrať všetko

GLAUX : this is a very old library that should not be used anymore. Most people who encounter GLAUX are people who see the NeHe tutorials which haven't been updated in years. NeHe uses auxDIBImageLoad() in order to read BMP files. GLAUX is no longer available.

Kód: Vybrať všetko

                   string path = "lala.png";
	            FREE_IMAGE_FORMAT imageFormat = FreeImage_GetFileType(path.c_str(), 0);
	
	            if (imageFormat == FIF_UNKNOWN)
                        {
	                std::cerr << "Unknown image file format: " << path.c_str() << std::endl;
	                return false;
	                }
	
	            FIBITMAP *imageBitmap = FreeImage_Load(imageFormat, path.c_str(), 0);
	
	            FIBITMAP *imageBitmapConverted;
	            imageBitmapConverted = FreeImage_ConvertTo32Bits(imageBitmap);
	
	            _size.x = FreeImage_GetWidth(imageBitmapConverted);
	            _size.y = FreeImage_GetHeight(imageBitmapConverted);
                    std::vector<Byte> _data; //Byte == unsigned char
	            _data.resize(_size.x * _size.y * 4);
	
	            memcpy(&_data.front(), FreeImage_GetBits(imageBitmapConverted), _size.x * _size.y * 4 * sizeof(xaver::Byte));

Kód: Vybrať všetko

           glGenTextures(1, &_glId);
            glBindTexture(GL_TEXTURE_2D, _glId);
	    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, _size.x, _size.y, 0, GL_BGRA, GL_UNSIGNED_BYTE, &_data.front());

	     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

Kód: Vybrať všetko

bool LoadImage()// Nacita nas obrazok 
{
				std::string path = "lala.raw";
               FREE_IMAGE_FORMAT imageFormat = FreeImage_GetFileType(path.c_str(), 0);
   
               if (imageFormat == FIF_UNKNOWN)
                        {
                   std::cerr << "Unknown image file format: " << path.c_str() << std::endl;
                   return false;
                   }
   
               FIBITMAP *imageBitmap = FreeImage_Load(imageFormat, path.c_str(), 0);
   
               FIBITMAP *imageBitmapConverted;
               imageBitmapConverted = FreeImage_ConvertTo32Bits(imageBitmap);
   
               sirka = FreeImage_GetWidth(imageBitmapConverted);
               vyska = FreeImage_GetHeight(imageBitmapConverted);
                   
               _data.resize(sirka * vyska * 4);
   
               memcpy(&_data.front(), FreeImage_GetBits(imageBitmapConverted), sirka * vyska * 4 * sizeof(byte));
			   return true;
}



// Setup Our Textures. Returns true On Success, false On Fail
bool setup_textures()
{
	

	// Create The Textures' Id List
	glGenTextures(TEXTURES_NUM, &g_texid[CUBE_TEX]);          
	// Load The Image From A Disk File
	if (!LoadImage()) return false;
	// Typical Texture Generation Using Data From The Image
	  
	glBindTexture(GL_TEXTURE_2D, g_texid[CUBE_TEX]);

	glTexImage2D(GL_TEXTURE_2D, 0, 3, sirka, vyska, 0, GL_RGB, GL_UNSIGNED_BYTE,  &_data.front());
	
	
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
            glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
	return true;
}