135 lines
3.4 KiB
C++
135 lines
3.4 KiB
C++
#include "Window.h"
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#include "functions.h"
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Window* Window::getFullWindow() {
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static Window win;
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return &win;
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}
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void Window::setPixel(uint8_t x, uint8_t y, CRGB* color) {
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if (x>=this->width || y>=this->height) return;
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leds[this->coordsToGlobalIndex(x, y)] = *color;
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}
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void Window::setPixelByIndex(uint16_t index, CRGB* color) {
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uint8_t x = index % this->width;
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uint8_t y = index / this->width;
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this->setPixel(x, y, color);
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}
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uint16_t Window::coordsToGlobalIndex(uint8_t x, uint8_t y) {
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return XYsafe(x + this->x, y+this->y);
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}
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uint16_t Window::localToGlobalIndex(uint16_t index) {
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uint8_t x = index % this->width;
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uint8_t y = index / this->width;
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return coordsToGlobalIndex(x, y);
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}
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void Window::clear() {
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CRGB black(0x000000);
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this->clear(&black);
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}
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void Window::clear(CRGB* color) {
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for(int x=0; x<this->width; x++) for(int y=0; y<this->height; y++) this->setPixel(x, y, color);
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}
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void Window::drawChar(Font* font, uint8_t xPos, uint8_t yPos, const char c, CRGB* color, bool mask) {
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if (!font->isCharAllowed(c)) return;
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uint16_t position = font->getCharPosition(c);
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uint8_t* data = new uint8_t[font->width];
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memcpy_P(data, font->data + (position*font->width), font->width);
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for(uint8_t y=0; y<font->height; y++) for(uint8_t x=0; x<font->width; x++) {
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bool on = (data[x]>>(font->height - 1 - y) & 1) * 255;
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if (mask) on = !on;
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if (on) this->setPixel(x + xPos, y + yPos, color);
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}
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free(data);
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}
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void Window::addPixelColor(uint16_t index, CRGB* color) {
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leds[localToGlobalIndex(index)] += *color;
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}
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void Window::fadeToBlackBy(fract8 speed) {
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for (uint8_t x=0; x<this->width; x++) for(uint8_t y=0; y<this->height; y++) {
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leds[coordsToGlobalIndex(x, y)].nscale8(255 - speed);
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}
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}
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void Window::line(uint8_t x1, uint8_t y1, uint8_t x2, uint8_t y2, CRGB* color) {
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// Bresenham algorithm
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int16_t dx = abs(x2-x1);
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int16_t dy = abs(y2-y1);
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int8_t sx = x1<x2 ? 1 : -1;
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int8_t sy = y1<y2 ? 1 : -1;
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int16_t err = dx + dy;
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int16_t e2;
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while (1) {
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setPixel(x1, y1, color);
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if (x1==x2 && y1==y2) break;
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e2 = 2*err;
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if (e2 > dy) { err += dy; x1 += sx; }
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if (e2 < dx) { err += dx; y1 += sy; }
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}
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}
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void Window::circle(uint8_t x0, uint8_t y0, uint8_t radius, CRGB* color) {
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// Again, Bresenham
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uint8_t f = 1 - radius;
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int16_t ddF_x = 0;
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int16_t ddF_y = -2 * radius;
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uint8_t x = 0;
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uint8_t y = radius;
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setPixel(x0, y0 + radius, color);
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setPixel(x0, y0 - radius, color);
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setPixel(x0 + radius, y0, color);
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setPixel(x0 - radius, y0, color);
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while (x < y) {
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if (f >= 0) {
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y--;
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ddF_y += 2;
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f += ddF_y;
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}
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x++;
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ddF_x += 2;
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f += ddF_x + 1;
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setPixel(x0 + x, y0 + y, color);
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setPixel(x0 - x, y0 + y, color);
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setPixel(x0 + x, y0 - y, color);
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setPixel(x0 - x, y0 - y, color);
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setPixel(x0 + y, y0 + x, color);
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setPixel(x0 - y, y0 + x, color);
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setPixel(x0 + y, y0 - x, color);
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setPixel(x0 - y, y0 - x, color);
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}
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}
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void Window::lineWithAngle(uint8_t x, uint8_t y, uint8_t angle, uint8_t length, CRGB* color) {
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lineWithAngle(x, y, angle, 0, length, color);
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}
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void Window::lineWithAngle(uint8_t x, uint8_t y, uint8_t angle, uint8_t startdist, uint8_t length, CRGB* color) {
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int16_t x1 = x;
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int16_t y1 = y;
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if (startdist > 0) {
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x1 = x + scale8(startdist, cos8(angle));
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y1 = y + scale8(startdist, sin8(angle));
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}
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int16_t x2 = x + scale8(startdist + length, cos8(angle));
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int16_t y2 = y + scale8(startdist + length, sin8(angle));
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line(x1, y1, x2, y2, color);
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}
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