bool loadMedia()
{
if( !gVBOTexture.loadTextureFromFile( "opengl.png" ) )
{
printf( "Unable to load OpenGL texture!\n" );
return false;
}
return true;
}
bool loadMedia()
{
// load texture
if (!gNon2NTexture.loadTextureFromFile("./images/opengl.png")) {
cout << "Unable to load non-power-of-two texture!" << endl;
return false;
}
return true;
}
bool loadMedia()
{
//Load and color key texture
if( !gStretchedTexture.loadTextureFromFile( "11_stretching_and_filters/mini_opengl.png" ) )
{
printf( "Unable to load mini texture!\n" );
return false;
}
return true;
}
bool loadMedia()
{
//Load texture
if( !gRepeatingTexture.loadTextureFromFile( "14_repeating_textures/texture.png" ) )
{
printf( "Unable to load repeating texture!\n" );
return false;
}
return true;
}
bool loadMedia()
{
// load texture
if (!gCircleTexture.loadTextureFromFile("./images/circle.png")) {
cout << "Unable to load circle texture!" << endl;
return false;
}
// lock texture for modificatio
gCircleTexture.lock();
// calculate target color
GLuint targetColor;
GLubyte *colors = (GLubyte *)&targetColor;
colors[0] = 000;
colors[1] = 255;
colors[2] = 255;
colors[3] = 255;
// replace target color with transparent black
GLuint *pixels = gCircleTexture.getPixelData32();
GLuint pixelCount = gCircleTexture.textureWidth() * gCircleTexture.textureHeight();
GLuint i;
for (i = 0; i < pixelCount; i++) {
if (pixels[i] == targetColor)
pixels[i] = 0;
}
// diagonal lines
GLuint x, y;
int factor = 10;
for (y = 0; y < gCircleTexture.imageHeight(); y++) {
for (x = 0; x < gCircleTexture.imageWidth(); x++) {
if (y % factor != x % factor)
gCircleTexture.setPixel32(x, y, 0);
}
}
// update texture
gCircleTexture.unlock();
return true;
}