Image class Initialize Function

image.cpp

//=============================================================================
// Initialize the Image.
// Post: returns true if successful, false if failed
// pointer to Graphics
// width of Image in pixels  (0 = use full texture width)
// height of Image in pixels (0 = use full texture height)
// number of columns in texture (1 to n) (0 same as 1)
// pointer to TextureManager
//=============================================================================
bool Image::initialize(Graphics *g, int width, int height, int ncols,
                       TextureManager *textureM)
{
    try{
        graphics = g;                               // the graphics object
        textureManager = textureM;                  // pointer to texture object

        spriteData.texture = textureManager->getTexture();
        if(width == 0)
            width = textureManager->getWidth();     // use full width of texture
        spriteData.width = width;
        if(height == 0)
            height = textureManager->getHeight();   // use full height of texture
        spriteData.height = height;
        cols = ncols;
        if (cols == 0)
            cols = 1;                               // if 0 cols use 1

        // configure spriteData.rect to draw currentFrame
        spriteData.rect.left = (currentFrame % cols) * spriteData.width;
        // right edge + 1
        spriteData.rect.right = spriteData.rect.left + spriteData.width;
        spriteData.rect.top = (currentFrame / cols) * spriteData.height;
        // bottom edge + 1
        spriteData.rect.bottom = spriteData.rect.top + spriteData.height;

		this->layer = LAYERMANAGER->getLayer(enLayerList::LAYER_DEFAULT);
    }
    catch(...) {return false;}
    initialized = true;                                // successfully initialized
    return true;
}

//=============================================================================
// Initialize the Image.
// Post: returns true if successful, false if failed
// pointer to Graphics
// width of Image in pixels  (0 = use full texture width)
// height of Image in pixels (0 = use full texture height)
// number of columns in texture (1 to n) (0 same as 1)
// pointer to TextureManager
// pointer to this->layer
//=============================================================================
bool Image::initialize(Graphics * g, int width, int height, int ncols, TextureManager * textureM, Layer * pLayer)
{
	try {
		graphics = g;                               // the graphics object
		textureManager = textureM;                  // pointer to texture object

		spriteData.texture = textureManager->getTexture();
		if (width == 0)
			width = textureManager->getWidth();     // use full width of texture
		spriteData.width = width;
		if (height == 0)
			height = textureManager->getHeight();   // use full height of texture
		spriteData.height = height;
		cols = ncols;
		if (cols == 0)
			cols = 1;                               // if 0 cols use 1

													// configure spriteData.rect to draw currentFrame
		spriteData.rect.left = (currentFrame % cols) * spriteData.width;
		// right edge + 1
		spriteData.rect.right = spriteData.rect.left + spriteData.width;
		spriteData.rect.top = (currentFrame / cols) * spriteData.height;
		// bottom edge + 1
		spriteData.rect.bottom = spriteData.rect.top + spriteData.height;

		this->layer = pLayer;
	}
	catch (...) { return false; }
	initialized = true;                                // successfully initialized
	return true;
}