#include "ImageFont.h"

namespace charcoal
{
	ImageFont::ImageFont(const image_loader::ImageRGBA& image, std::map<char, Rectangle<int>> character_locations)
	{
		for (auto iter = character_locations.begin(); iter != character_locations.end(); ++iter)
		{
			image_loader::ImageRGBA created_image;
			created_image.width = iter->second.right - iter->second.left;
			created_image.height = iter->second.bottom - iter->second.top;
			created_image.data.resize(image.width * image.height * 4);
			for (unsigned int y = 0; y < created_image.height; ++y)
			{
				for (unsigned int x = 0; x < created_image.width; ++x)
				{
					unsigned char red;
					unsigned char green;
					unsigned char blue;
					unsigned char alpha;
					image.get_pixel(x + iter->second.left, y + iter->second.top, red, green, blue, alpha);
					created_image.set_pixel(x, y, red, green, blue, alpha);
				}
			}
			m_character_images.emplace(iter->first, created_image);
		}
	}

	const image_loader::ImageRGBA& ImageFont::get_character(char character)
	{
		return m_character_images[character];
	}
}