Marc
721c919c7b
Changes: - kernel 6.0.2 - Broken init scripts - Switch to bun for better peroformance an easier ffi - Removed grup - Efi support without graphics (at least graphics werent tested) - Suppression de toutes les dépendance non libc - new splash - broken audio - typescript support - ls rewritten to be more reliable
99 lines
2.1 KiB
JavaScript
99 lines
2.1 KiB
JavaScript
//@ts-check
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/**
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* DICKPICK is a image drawing library
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*/
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import * as graphics from '../../core/graphics'
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/**
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* @param { number } x
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* @param { number } y
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* @param { number } dx length on the x axis
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* @param { number } dy length on the y axis
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* @param { string } color
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*/
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export function drawRect(x, y, dx, dy, color) {
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const bitmap = {
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data: Buffer.alloc(dx*dy*4, Buffer.from(graphics.parseHexColor(color))),
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width: dx,
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height: dy
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}
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graphics.drawBitmap(x,y, bitmap)
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}
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/**
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*
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* @param { import('@jimp/core').Bitmap } Bitmap
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* @param { number[] } color
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* @returns { Pencil }
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*/
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export function pencilFromBitmap(Bitmap, color) {
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return { ...Bitmap, color }
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}
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/**
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* @param { number } width
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* @param { number } height
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* @returns
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*/
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export function createBitmap(width, height) {
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const data = Buffer.alloc(width * height * 4, Buffer.from([0, 0, 0, 0]));
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return { width, height, data }
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}
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/**
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* @param { Pencil } pencil
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* @param { number } x
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* @param { number } y
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*/
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export function setPixel(pencil, x, y) {
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pencil.data.set(pencil.color, y*pencil.width*4 + x*4)
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}
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/**
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*
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* @param { number } x
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* @param { number } y
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* @param { number } xc
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* @param { number } yc
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* @param { Pencil } pencil
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*/
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export function symetrie8Axes(xc, yc, x, y, pencil) {
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setPixel(pencil, x+xc, y+yc)
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setPixel(pencil, x+xc,-y+yc)
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setPixel(pencil, -x+xc,-y+yc)
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setPixel(pencil, -x+xc,y+yc)
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setPixel(pencil, y+xc,x+yc)
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setPixel(pencil, y+xc,-x+yc)
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setPixel(pencil, -y+xc,-x+yc)
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setPixel(pencil, -y+xc,x+yc,)
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}
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/**
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* BresenhamCircle
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* @param { Pencil } pencil
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* @param { number } xc
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* @param { number } yc
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* @param { number } r
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*/
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export function drawCircle(pencil, xc, yc, r) {
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let x = 0
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let y = r
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let d = 3 - (2 * r);
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symetrie8Axes(xc, yc, x, y, pencil);
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while(x <= y) {
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if(d <= 0) {
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d = d + (4 * x) + 6;
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}
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else {
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d = d + (4 * x) - (4 * y) + 10;
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y = y - 1;
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}
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x = x + 1;
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symetrie8Axes(xc, yc, x, y, pencil);
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}
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}
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