#include "Window.h"
#include "functions.h"

Window* Window::getFullWindow() {
	static Window win;
	return &win;
}

void Window::setPixel(uint8_t x, uint8_t y, CRGB* color) {
	if (x>=this->width || y>=this->height) return;
	leds[this->coordsToGlobalIndex(x, y)] = *color;
}

void Window::setPixelByIndex(uint16_t index, CRGB* color) {
	uint8_t x = index % this->width;
	uint8_t y = index / this->width;
	this->setPixel(x, y, color);
}

uint16_t Window::coordsToGlobalIndex(uint8_t x, uint8_t y) {
	return XYsafe(x + this->x, y+this->y);
}

uint16_t Window::localToGlobalIndex(uint16_t index) {
	uint8_t x = index % this->width;
	uint8_t y = index / this->width;
	return coordsToGlobalIndex(x, y);
}

void Window::clear() {
	CRGB black(0x000000);
	this->clear(&black);
}

void Window::clear(CRGB* color) {
	for(int x=0; x<this->width; x++) for(int y=0; y<this->height; y++) this->setPixel(x, y, color);
}

void Window::drawChar(Font* font, uint8_t xPos, uint8_t yPos, const char c, CRGB* color, bool mask) {
	if (!font->isCharAllowed(c)) return;
	uint16_t position = font->getCharPosition(c);
	uint8_t* data = new uint8_t[font->width];
	memcpy_P(data, font->data + (position*font->width), font->width);

	for(uint8_t y=0; y<font->height; y++) for(uint8_t x=0; x<font->width; x++) {
		bool on = (data[x]>>(font->height - 1 - y) & 1) * 255;
		if (mask) on = !on;
		if (on) this->setPixel(x + xPos, y + yPos, color);
	}

	free(data);
}

void Window::addPixelColor(uint16_t index, CRGB* color) {
	leds[localToGlobalIndex(index)] += *color;
}

void Window::fadeToBlackBy(fract8 speed) {
	for (uint8_t x=0; x<this->width; x++) for(uint8_t y=0; y<this->height; y++) {
		leds[coordsToGlobalIndex(x, y)].nscale8(255 - speed);
	}
}