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How to use drawPixel method in Playwright Internal
Best JavaScript code snippet using playwright-internal
Graphics.js
Source:Graphics.js 
...45 var ddF_x = 1;46 var ddF_y = -2 * r;47 var x = 0;48 var y = r;49 this.drawPixel(x0, y0 + r, color);50 this.drawPixel(x0, y0 - r, color);51 this.drawPixel(x0 + r, y0, color);52 this.drawPixel(x0 - r, y0, color);53 while (x < y) {54 if (f >= 0) {55 y--;56 ddF_y += 2;57 f += ddF_y;58 }59 x++;60 ddF_x += 2;61 f += ddF_x;62 this.drawPixel(x0 + x, y0 + y, color);63 this.drawPixel(x0 - x, y0 + y, color);64 this.drawPixel(x0 + x, y0 - y, color);65 this.drawPixel(x0 - x, y0 - y, color);66 this.drawPixel(x0 + y, y0 + x, color);67 this.drawPixel(x0 - y, y0 + x, color);68 this.drawPixel(x0 + y, y0 - x, color);69 this.drawPixel(x0 - y, y0 - x, color);70 }71 },72 drawChar: function(x, y, c, color, bg, size) {73 if ((x >= this._width) || // Clip right74 (y >= this._height) || // Clip bottom75 ((x + 6 * size - 1) < 0) || // Clip left76 ((y + 8 * size - 1) < 0)) // Clip top77 return;78 if (!this._cp437 && (c >= 176)) {79 c++;80 }81 for (var i = 0; i < 6; i++) {82 var line;83 if (i == 5) {84 line = 0x0;85 } else {86 line = FONT[c * 5 + i];87 }88 for (var j = 0; j < 8; j++) {89 if (line & 0x1) {90 if (size == 1) {91 this.drawPixel(x + i, y + j, color);92 } else {93 this.fillRect(x + (i * size), y + (j * size), size, size, color);94 }95 } else if (bg != color) {96 if (size == 1) {97 this.drawPixel(x + i, y + j, bg);98 } else {99 this.fillRect(x + i * size, y + j * size, size, size, bg);100 }101 }102 line >>= 1;103 }104 }105 },106 setCursor: function(x, y) {107 this.cursor_x = x;108 this.cursor_y = y;109 },110 setTextSize: function(s) {111 this.textsize = (s > 0) ? s : 1;112 },113 setTextColor: function(c, b) {114 this.textcolor = c;115 if (b === undefined) {116 this.textbgcolor = c;117 } else {118 this.textbgcolor = b;119 }120 },121 write: function(c) {122 if (typeof c === "string") {123 if (c.length === 1) {124 c = c.charCodeAt(0);125 } else {126 trace("Call print or println instead of write with strings!\n")127 return;128 }129 }130 if (c === 10) { //\n131 this.cursor_y += this.textsize * 8;132 this.cursor_x = 0;133 } else if (c === 13) { //\r134 //skip135 } else {136 this.drawChar(this.cursor_x, this.cursor_y, c, this.textcolor, this.textbgcolor, this.textsize);137 this.cursor_x += this.textsize * 6;138 if (this.wrap && (this.cursor_x > (this._width - this.textsize * 6))) {139 this.cursor_y += this.textsize * 8;140 this.cursor_x = 0;141 }142 }143 return 1;144 },145 println: function(text) {146 if (text !== undefined) {147 text = text.toString()148 for (var i = 0; i < text.length; i++) {149 this.write(text.charCodeAt(i));150 }151 }152 this.write('\n');153 },154 print: function(text) {155 for (var i = 0; i < text.length; i++) {156 this.write(text.charCodeAt(i));157 }158 },159 //should have thought of drawpixel earlier for conversion... just go through bit by bit160 //if this errors, make sure the dimensions are a multiple of 8161 drawBitmap: function(x, y, bitmap, w, h, color, bgcolor) {162 var byteWidth = (w + 7) >> 3; //equivalent to Math.ceil163 for (var j = 0; j < h; j++) {164 for (var i = 0; i < w; i++) {165 if (bitmap[j * byteWidth + (i >> 3)] & (128 >> (i & 7))) {166 this.drawPixel(x + i, y + j, color);167 } else if (bgcolor !== undefined) {168 this.drawPixel(x + i, y + j, bgcolor);169 }170 }171 }172 },173 //Draw XBitMap Files (*.xbm), exported from GIMP,174 //Usage: Export from GIMP to *.xbm, rename *.xbm to *.c and open in editor.175 //C Array can be directly used with this function176 //the byte order is just the reverse of drawBitmap; i.e, first bit of each byte corresponds to the rightmost pixel of the chunk it represents and the rightmost bit is the left most pixel177 drawXBitmap: function(x, y, bitmap, w, h, color) {178 var byteWidth = Math.floor((w + 7) / 8);179 for (var j = 0; j < h; j++) {180 for (var i = 0; i < w; i++) {181 if (bitmap[j * byteWidth + (i >> 3)] & (1 << (i & 7))) {182 this.drawPixel(x + i, y + j, color);183 }184 }185 }186 },187 drawLine: function(x0, y0, x1, y1, color) {188 var steep = Math.abs(y1 - y0) > Math.abs(x1 - x0);189 if (steep) {190 //swap x0 and y0 191 //thanks http://stackoverflow.com/questions/16201656/how-to-swap-two-variables-in-javascript192 x0 = [y0, y0 = x0][0]193 x1 = [y1, y1 = x1][0]194 }195 if (x0 > x1) {196 x0 = [x1, x1 = x0][0]197 y0 = [y1, y1 = y0][0]198 }199 var dx = x1 - x0;200 var dy = Math.abs(y1 - y0);201 var err = dx / 2;202 var ystep;203 if (y0 < y1) {204 ystep = 1;205 } else {206 ystep = -1;207 }208 for (; x0 <= x1; x0++) {209 if (steep) {210 this.drawPixel(y0, x0, color);211 } else {212 this.drawPixel(x0, y0, color);213 }214 err -= dy;215 if (err < 0) {216 y0 += ystep;217 err += dx;218 }219 }220 },221 drawFastHLine: function(x, y, w, color) {222 //implement native one223 this.drawLine(x, y, x + w - 1, y, color);224 },225 drawFastVLine: function(x, y, h, color) {226 this.drawLine(x, y, x, y + h - 1, color);227 },228 drawRect: function(x, y, w, h, color) {229 this.drawFastHLine(x, y, w, color);230 this.drawFastHLine(x, y + h - 1, w, color);231 this.drawFastVLine(x, y, h, color);232 this.drawFastVLine(x + w - 1, y, h, color);233 },234 fillRect: function(x, y, w, h, color) {235 for (var i = x; i < x + w; i++) {236 this.drawFastVLine(i, y, h, color);237 }238 },239 fillCircle: function(x0, y0, r, color) {240 this.drawFastVLine(x0, y0 - r, 2 * r + 1, color);241 this.fillCircleHelper(x0, y0, r, 3, 0, color);242 },243 fillCircleHelper: function(x0, y0, r, cornername, delta, color) {244 var f = 1 - r;245 var ddF_x = 1;246 var ddF_y = -2 * r;247 var x = 0;248 var y = r;249 while (x < y) {250 if (f >= 0) {251 y--;252 ddF_y += 2;253 f += ddF_y;254 }255 x++;256 ddF_x += 2;257 f += ddF_x;258 if (cornername & 0x1) {259 this.drawFastVLine(x0 + x, y0 - y, 2 * y + 1 + delta, color);260 this.drawFastVLine(x0 + y, y0 - x, 2 * x + 1 + delta, color);261 }262 if (cornername & 0x2) {263 this.drawFastVLine(x0 - x, y0 - y, 2 * y + 1 + delta, color);264 this.drawFastVLine(x0 - y, y0 - x, 2 * x + 1 + delta, color);265 }266 }267 },268 drawRoundRect: function(x, y, w, h, r, color) {269 // smarter version270 this.drawFastHLine(x + r, y, w - 2 * r, color); // Top271 this.drawFastHLine(x + r, y + h - 1, w - 2 * r, color); // Bottom272 this.drawFastVLine(x, y + r, h - 2 * r, color); // Left273 this.drawFastVLine(x + w - 1, y + r, h - 2 * r, color); // Right274 // draw four corners275 this.drawCircleHelper(x + r, y + r, r, 1, color);276 this.drawCircleHelper(x + w - r - 1, y + r, r, 2, color);277 this.drawCircleHelper(x + w - r - 1, y + h - r - 1, r, 4, color);278 this.drawCircleHelper(x + r, y + h - r - 1, r, 8, color);279 },280 drawCircleHelper: function(x0, y0, r, cornername, color) {281 var f = 1 - r;282 var ddF_x = 1;283 var ddF_y = -2 * r;284 var x = 0;285 var y = r;286 while (x < y) {287 if (f >= 0) {288 y--;289 ddF_y += 2;290 f += ddF_y;291 }292 x++;293 ddF_x += 2;294 f += ddF_x;295 if (cornername & 0x4) {296 this.drawPixel(x0 + x, y0 + y, color);297 this.drawPixel(x0 + y, y0 + x, color);298 }299 if (cornername & 0x2) {300 this.drawPixel(x0 + x, y0 - y, color);301 this.drawPixel(x0 + y, y0 - x, color);302 }303 if (cornername & 0x8) {304 this.drawPixel(x0 - y, y0 + x, color);305 this.drawPixel(x0 - x, y0 + y, color);306 }307 if (cornername & 0x1) {308 this.drawPixel(x0 - y, y0 - x, color);309 this.drawPixel(x0 - x, y0 - y, color);310 }311 }312 },313 fillRoundRect: function(x, y, w, h, r, color) {314 this.fillRect(x + r, y, w - 2 * r, h, color);315 // draw four corners316 this.fillCircleHelper(x + w - r - 1, y + r, r, 1, h - 2 * r - 1, color);317 this.fillCircleHelper(x + r, y + r, r, 2, h - 2 * r - 1, color);318 },319 drawTriangle: function(x0, y0, x1, y1, x2, y2, color) {320 this.drawLine(x0, y0, x1, y1, color);321 this.drawLine(x1, y1, x2, y2, color);322 this.drawLine(x2, y2, x0, y0, color);323 },...
index.js
Source:index.js
...58 if(grid[(y + 1)][x] == 0) {59 grid[y][x] = 0;60 grid[(y + 1)][x] = 1;61 clearPixel(x, y)62 drawPixel(x, (y + 1), sandColor);63 continue;64 }65 if(grid[(y + 1)][(x + 1)] == 0 && grid[(y + 1)][(x - 1)] == 0) {66 var random = Math.floor(Math.random() * (10 - 0 + 1)) + 1;67 if(random > 5) {68 grid[y][x] = 0;69 grid[(y + 1)][(x - 1)] = 1;70 71 clearPixel(x, y);72 drawPixel((x - 1), (y + 1), sandColor);73 } else {74 grid[y][x] = 0;75 grid[(y + 1)][(x + 1)] = 1;76 clearPixel(x, y);77 drawPixel((x + 1), (y + 1), sandColor);78 }79 continue;80 }81 if(grid[(y + 1)][(x + 1)] == 0) {82 grid[y][x] = 0;83 grid[(y + 1)][(x + 1)] = 1;84 clearPixel(x, y);85 drawPixel((x + 1), (y + 1), sandColor);86 continue;87 }88 if(grid[(y + 1)][(x - 1)] == 0) {89 grid[y][x] = 0;90 grid[(y + 1)][(x - 1)] = 1;91 clearPixel(x, y);92 drawPixel((x - 1), (y + 1), sandColor);93 continue;94 }95 //Sand in Water96 if(grid[(y + 1)][(x + 1)] == 2 && grid[(y + 1)][(x - 1)] == 2) {97 var random = Math.floor(Math.random() * (10 - 0 + 1)) + 1;98 if(random > 5) {99 grid[y][x] = 2;100 grid[(y + 1)][(x + 1)] = 1;101 clearPixel(x, y);102 drawPixel(x, y, waterColor);103 drawPixel((x + 1), (y + 1), sandColor);104 } else {105 grid[y][x] = 2;106 grid[(y + 1)][(x - 1)] = 1;107 108 clearPixel(x, y)109 drawPixel(x, y, waterColor);110 drawPixel((x - 1), (y + 1), sandColor);111 }112 continue;113 }114 if(grid[(y + 1)][x] == 2) {115 grid[y][x] = 2;116 grid[(y + 1)][x] = 1;117 drawPixel(x, y, waterColor);118 drawPixel(x, (y + 1), sandColor);119 continue;120 }121 if(grid[(y + 1)][(x + 1)] == 2) {122 grid[y][x] = 2;123 grid[(y + 1)][(x + 1)] = 1;124 drawPixel(x, y, waterColor);125 drawPixel((x + 1), (y + 1), sandColor);126 continue;127 }128 if(grid[(y + 1)][(x - 1)] == 2) {129 grid[y][x] = 2;130 grid[(y + 1)][(x - 1)] = 1;131 drawPixel(x, y, waterColor);132 drawPixel((x - 1), (y + 1), sandColor);133 continue;134 }135 }136 //WATER137 if(grid[y][x] == 2) {138 var waterColor = colors.get(2)[colorIndex];139 if(grid[(y + 1)][x] == 0) {140 grid[y][x] = 0;141 grid[(y + 1)][x] = 2;142 clearPixel(x, y)143 drawPixel(x, (y + 1), waterColor);144 continue;145 }146 if(grid[(y + 1)][(x + 1)] == 0 && grid[(y + 1)][(x - 1)] == 0) {147 var random = Math.floor(Math.random() * (10 - 0 + 1)) + 1;148 if(random > 5) {149 grid[y][x] = 0;150 grid[(y + 1)][(x - 1)] = 2;151 152 clearPixel(x, y);153 drawPixel((x - 1), (y + 1), waterColor);154 } else {155 grid[y][x] = 0;156 grid[(y + 1)][(x + 1)] = 2;157 clearPixel(x, y);158 drawPixel((x + 1), (y + 1), waterColor);159 }160 continue;161 }162 if(grid[(y + 1)][(x + 1)] == 0) {163 grid[y][x] = 0;164 grid[(y + 1)][(x + 1)] = 2;165 clearPixel(x, y);166 drawPixel((x + 1), (y + 1), waterColor);167 continue;168 }169 if(grid[(y + 1)][(x - 1)] == 0) {170 grid[y][x] = 0;171 grid[(y + 1)][(x - 1)] = 2;172 clearPixel(x, y);173 drawPixel((x - 1), (y + 1), waterColor);174 continue;175 }176 if(grid[y][(x + 1)] == 0) {177 grid[y][x] = 0;178 grid[y][(x + 1)] = 2;179 clearPixel(x, y);180 drawPixel((x + 1), y, waterColor);181 continue;182 }183 if(grid[y][(x - 1)] == 0) {184 grid[y][x] = 0;185 grid[y][(x - 1)] = 2;186 clearPixel(x, y);187 drawPixel((x - 1), y, waterColor);188 continue;189 }190 }191 //Fire192 if(grid[y][x] == 4) {193 var random = Math.floor(Math.random() * (10 - 0 + 1)) + 1;194 drawPixel(x, y, "#e56a12")195 if(grid[(y + 1)][x] == 3) {196 if(random > 8) {197 drawPixel(x, y + 1, "#e56a12");198 grid[(y + 1)][x] = 4;199 continue;200 } 201 }202 if(grid[y][(x - 1)] == 3) {203 if(random > 8) {204 drawPixel(x - 1, y, "#e56a12");205 grid[y][(x - 1)] = 4;206 continue;207 } 208 }209 if(grid[y][(x + 1)] == 3) {210 if(random > 8) {211 drawPixel(x + 1, y, "#e56a12");212 grid[y][(x + 1)] = 4;213 continue;214 } 215 }216 //Move Pixel Randomly217 218 var moveX = Math.floor(Math.random() * (2 - 1 + 1)) + 1;219 var moveY = Math.floor(Math.random() * (4 - 1 + 1)) + 1;220 if(random < 2) {221 grid[y][x] = 0;222 clearPixel(x, y);223 }224 }225 }226 }227 //Framerate228 var thisFrameTime = (thisLoop=new Date) - lastLoop;229 frameTime+= (thisFrameTime - frameTime) / filterStrength;230 lastLoop = thisLoop;231 //drawArray();232 document.getElementById("pixelCount").innerHTML = pixelCount;233} 234//Color Changer235/*setInterval(() => {236 for(var y = grid.length - 2; y > 1; y--) {237 for(var x = 0; x < grid[y].length; x++) {238 if(grid[y][x] == 2) {239 var colorIndex = Math.floor(Math.random() * (4 - 1 + 1)) + 1;240 var waterColor = colors.get(2)[colorIndex];241 drawPixel(x, y, waterColor)242 }243 }244 }245}, 200);246*/247function drawArray() {248 context.clearRect(0, 0, canvas.width, canvas.height);249 for(var y = 0; y < grid.length; y++) {250 grid[y].forEach(x => {251 drawPixel(x, y);252 });253 }254}255function drawPixel(x, y, color) {256 context.fillStyle = color || "#e0988d";257 context.fillRect(x*pixelSize, y*pixelSize, pixelSize, pixelSize);258}259function clearPixel(x, y) {260 context.clearRect(x*pixelSize, y*pixelSize, pixelSize, pixelSize);261}262function createPixel(x, y) {263 var id = currentMaterial;264 if(id == 0) {265 clearPixel(x, y);266 grid[y][x] = 0;267 return;268 }269 if(grid[y][x] != 0) return;270 grid[y][x] = id;271 if(id == 3) {272 drawPixel(x, y, "#331a14");273 }274 pixelCount++;275}276//Paint277//Running update278setInterval(updatePixels, refreshRate);279var fpsOut = document.getElementById('fps');280setInterval(function(){281 fpsOut.innerHTML = (1000/frameTime).toFixed(1) + " fps";282},1000);283//Utils284function shuffle(a) {285 for (let i = a.length - 1; i > 0; i--) {286 const j = Math.floor(Math.random() * (i + 1));...
canva.js
Source:canva.js
...10 let tail = [];11 12 //console.log("canvas element: ", canvasElement);13 14 function drawPixel(x, y, color) {15 let context = canvasElement.getContext('2d');16 var roundedX = Math.round(x);17 var roundedY = Math.round(y);18 19 context.beginPath();20 context.fillStyle = color || '#000';21 context.fillRect(roundedX, roundedY, brushSize, brushSize);22 context.fill();23 }24 function handleMouseMove(ev){25 if(mouseDown)26 {27 drawPixel(ev.pageX, ev.pageY, 'black')28 }29 30 }31 function drawLine(point1, point2)32 {33 let x0 = point1.x;34 let y0 = point1.y;35 let x1 = point2.x;36 let y1 = point2.y;37 var dx = Math.abs(x1 - x0);38 var dy = Math.abs(y1 - y0);39 var sx = (x0 < x1) ? 1 : -1;40 var sy = (y0 < y1) ? 1 : -1;41 var err = dx - dy;42 while(true) {43 drawPixel(x0, y0, 'black'); // Do what you need to for this44 if ((x0 === x1) && (y0 === y1)) break;45 var e2 = 2*err;46 if (e2 > -dy) { err -= dy; x0 += sx; }47 if (e2 < dx) { err += dx; y0 += sy; }48 }49 }50 function displayCircle(xc, yc, x, y)51 {52 drawPixel(xc+x, yc+y, 'black');53 drawPixel(xc-x, yc+y, 'black');54 drawPixel(xc+x, yc-y, 'black');55 drawPixel(xc-x, yc-y, 'black');56 drawPixel(xc+y, yc+x, 'black');57 drawPixel(xc-y, yc+x, 'black');58 drawPixel(xc+y, yc-x, 'black');59 drawPixel(xc-y, yc-x, 'black');60 }61 function drawCircle(radius, center)62 {63 if(((center.x + radius) > canvasWidth) || ((center.x - radius) < 0) || ((center.y + radius) > canvasHeight) || ((center.y - radius) < 0))64 {65 alert('Esse circulo não cabe no quadro!')66 return;67 }68 let x = 0;69 let y = radius;70 let xc = center.x;71 let yc = center.y;72 let decision = 3 - 2 * radius;73 displayCircle(xc, yc, x, y);74 while(y >= x)75 {76 x++77 if(decision > 0)78 {79 y--;80 decision = decision + 4 * (x-y) + 1081 }82 else {83 decision = decision + 4 * x + 6;84 }85 displayCircle(xc, yc, x, y);86 }87 }88 useEffect(() => {89 // if(mouseDown)90 // {91 // drawPixel((Math.floor(Math.random() * 100)), (Math.floor(Math.random() * 100)), 'black')92 // }93 // if(scaled == false)94 // {95 // canvasElement.width = window.innerWidth;96 // canvasElement.height = window.innerHeight;97 // setScaled(true)98 // }99 // let context = canvasElement.getContext('2d');100 // context.canvas.width = screenW;101 // context.canvas.height = screenH;102 //setScaled(false);103 104 }, []);105 return (106 <canvas107 style={{border: "2px solid gray"}}108 id="canvas-main"109 //onClick={() => {drawPixel((Math.floor(Math.random() * 100)), (Math.floor(Math.random() * 100)), 'black')}}110 onMouseDown={(ev) => {111 setMouseDown(true);112 config.addPoint(ev.pageX, ev.pageY);113 if(config.getBrushMode() == 1)114 {115 116 } 117 118 119 }}120 onMouseUp={(ev) => {121 setMouseDown(false); 122 if(config.getBrushMode() == 1)123 {124 config.addPoint(ev.pageX, ev.pageY);125 126 drawLine(config.getLastPoint(), config.getSecondLastPoint())127 }128 if(config.getBrushMode() == 2)129 {130 config.addPoint(ev.pageX, ev.pageY);131 const radius = Math.ceil(config.getRadiusLastClick());132 drawCircle(radius, config.getSecondLastPoint());133 }134 135 }}136 onMouseMove={(ev) => {137 if(mouseDown && config.getBrushMode() == 0) drawPixel(ev.pageX, ev.pageY, 'black');138 // if(mouseDown && config.getBrushMode() == 1) {tail.push(ev.pageX);}139 // if(!mouseDown && config.getBrushMode() == 1) {140 // console.log("tail: ",tail);141 142 // } 143 }}144 width={canvasWidth}145 height={canvasHeight}146 //onMouseDownCapture={() => {drawPixel((Math.floor(Math.random() * 100)), (Math.floor(Math.random() * 100)), 'black')}}147 >148 </canvas>149 )...
clock-blob.js
Source:clock-blob.js
...16function flip() {17 g.setColor(1,1,1);18 g.drawImage({width:buf.getWidth(),height:buf.getHeight(),buffer:buf.buffer},55,26);19}20function drawPixel(ox,oy,x,y,r,p) {21 let x1 = ox+x*(r*2);22 let y1 = oy+y*(r*2);23 let xmid = x1+r;24 let ymid = y1+r;25 let x2 = xmid+r;26 let y2 = ymid+r;27 if (p > 0) {28 if (p > 1) {29 buf.setColor(0,0,0);30 buf.fillPoly([x1,y1,x2,y1,x2,y2,x1,y2]);31 }32 buf.setColor(1,1,1);33 } else {34 buf.setColor(0,0,0);35 }36 if (p < 2) {37 buf.fillPoly([x1,y1,x2,y1,x2,y2,x1,y2]);38 } else if (p === 2) {39 buf.fillPoly([xmid,y1,x2,y1,x2,y2,x1,y2,x1,ymid]);40 } else if (p === 3) {41 buf.fillPoly([x1,y1,xmid,y1,x2,ymid,x2,y2,x1,y2]);42 } else if (p === 4) {43 buf.fillPoly([x1,y1,x2,y1,x2,ymid,xmid,y2,x1,y2]);44 } else if (p === 5) {45 buf.fillPoly([x1,y1,x2,y1,x2,y2,xmid,y2,x1,ymid]);46 }47}48function redraw() {49 let time = new Date();50 let hours = time.getHours();51 let mins = time.getMinutes();52 let secs = time.getSeconds();53 let newDigits = [Math.floor(hours/10),hours%10,Math.floor(mins/10),mins%10,Math.floor(secs/10),secs%10];54 for (var p = 0;p<25;p++) {55 var px = p%5;56 var py = Math.floor(p/5);57 if (digits[0] === -1 || NUMBERS[newDigits[0]][p] !== NUMBERS[digits[0]][p] ) {58 drawPixel(0,20,px,py,6,NUMBERS[newDigits[0]][p]);59 }60 if (digits[1] === -1 || NUMBERS[newDigits[1]][p] !== NUMBERS[digits[1]][p] ) {61 drawPixel(78,20,px,py,6,NUMBERS[newDigits[1]][p]);62 }63 if (digits[2] === -1 || NUMBERS[newDigits[2]][p] !== NUMBERS[digits[2]][p] ) {64 drawPixel(0,92,px,py,6,NUMBERS[newDigits[2]][p]);65 }66 if (digits[3] === -1 || NUMBERS[newDigits[3]][p] !== NUMBERS[digits[3]][p] ) {67 drawPixel(78,92,px,py,6,NUMBERS[newDigits[3]][p]);68 }69 if (digits[4] === -1 || NUMBERS[newDigits[4]][p] !== NUMBERS[digits[4]][p] ) {70 drawPixel(69,164,px,py,3,NUMBERS[newDigits[4]][p]);71 }72 if (digits[5] === -1 || NUMBERS[newDigits[5]][p] !== NUMBERS[digits[5]][p] ) {73 drawPixel(108,164,px,py,3,NUMBERS[newDigits[5]][p]);74 }75 }76 digits = newDigits;77 flip();78}79function clearTimers() {80 if(intervalRef) {81 clearInterval(intervalRef);82 intervalRef = undefined;83 }84}85function startTimers() {86 g.clear();87 Bangle.drawWidgets();...
app.js
Source:app.js
1import {createProgram, setupWebGL, pointsToBuffer} from 'GLHelper';2import {vec2} from 'gl-matrix';3import vertexShader from './shader.vert';4import fragmentShader from './shader.frag';5class DrawPixel {6 constructor() {7 this._points = [];8 this._drawType = '';9 this._initGl();10 }11 /**12 *13 * @param {Array} points éè¦ç»å¶çåæ æ°ç»14 */15 writePixel(points) {16 // æ¸
空åæ 17 this._points = [];18 if(!Array.isArray(points)) return;19 points.forEach((item) => {20 if(Array.isArray(item) && item.length === 2) {21 this._points.push(vec2(item[0], item[1]));22 }23 });24 }25 /**26 *27 * @param {String} type ç»å¶ç±»å28 */29 readPixel(type = 'LINE_STRIP') {30 this._drawType = type;31 this._render();32 }33 /**34 *35 * @param {Array} center åå¿åæ 36 * @param {Number} radius åå¾37 * @param {Number} segment åæ®µæ° (æ£æ´æ°)38 */39 drawCircle(center = [0, 0], radius = 0.2, segment = 10) {40 // æ¸
空åæ 41 this._points = [];42 // è·åå个å段ä½ç½®çåæ 43 for(let i = 0; i < segment; i++) {44 const x = center[0] + radius * Math.cos(Math.PI * 2 / segment * i);45 const y = center[1] + radius * Math.sin(Math.PI * 2 / segment * i);46 this._points.push(vec2(x, y));47 }48 this.readPixel('LINE_LOOP');49 }50 /**51 * å
é¨ç§ææ¹æ³ï¼åå§åwebGl52 */53 _initGl() {54 const canvas = document.getElementById('gl-canvas');55 const gl = setupWebGL(canvas);56 if(!gl) {57 console.error("WebGL isn't available");58 }59 gl.viewport(0, 0, canvas.width, canvas.height);60 gl.clearColor(1.0, 1.0, 1.0, 1.0);61 // Load shaders and initialize attribute buffers62 const program = createProgram(gl, vertexShader, fragmentShader);63 gl.useProgram(program);64 this._gl = gl;65 this._program = program;66 }67 /**68 * å
é¨æ¹æ³ï¼æ§è¡ç»å¶69 */70 _render() {71 const gl = this._gl;72 const bufferId = gl.createBuffer();73 gl.bindBuffer(gl.ARRAY_BUFFER, bufferId);74 gl.bufferData(gl.ARRAY_BUFFER, pointsToBuffer(this._points), gl.STATIC_DRAW);75 const vPosition = gl.getAttribLocation(this._program, 'vPosition');76 gl.vertexAttribPointer(vPosition, 2, gl.FLOAT, false, 0, 0);77 gl.enableVertexAttribArray(vPosition);78 // æ¯æ¬¡æ¸²æä¸æ¸
é¤ä¹åç79 // gl.clear(gl.COLOR_BUFFER_BIT);80 gl.drawArrays(gl[this._drawType], 0, this._points.length);81 }82}83const drawPixel = new DrawPixel();84drawPixel.writePixel([[-0.3, 0.8], [-0.7, 0.8], [-0.7, 0.3], [-0.3, 0.3], [-0.3, 0.5], [-0.5, 0.5]]);85drawPixel.readPixel('LINE_STRIP');86drawPixel.writePixel([[-0.1, 0.8], [-0.1, 0.3], [0.3, 0.3]]);87drawPixel.readPixel('LINE_STRIP');88drawPixel.drawCircle([0.0, -0.4], 0.5, 40);89drawPixel.drawCircle([0.0, -0.4], 0.4, 10);90drawPixel.drawCircle([0.0, -0.4], 0.3, 5);...
alg.js
Source:alg.js
...33 var m = (y1 - y0) / (x1 - x0);34 var y = 0;35 for (var x = x0; x <= x1; x++) {36 y = y0 + m * (x - x0);37 drawPixel(x, Math.round(y));38 }39}40function bresenham() {41 var dx, dy, incrE, incrNE, d, x, y;42 dx = x1 - x0;43 dy = y1 - y0;44 d = dy * 2 - dx;45 incrE = dy * 2;46 incrNE = (dy - dx) * 2;47 x = x0;48 y = y0;49 const m = dx > 0 ? dy / dx : 0;50 drawPixelBresenham(m, x, y);51 while (x < x1) {52 x++;53 if (d <= 0)54 d += incrE;55 else {56 d += incrNE;57 y = y + 1;58 }59 drawPixelBresenham(m, x, y);60 }61}62function desenharCirculo() {63 var x = 10;64 var y = +radius.value;65 var d = 1 - y;66 drawCirclePixel(x, y);67 while (y >= x) {68 if (d < 0) {69 d += (2 * x + 3);70 } else {71 d += 2 * (x - y) + 5;72 y--;73 }74 x++;75 drawCirclePixel(x, y);76 }77}78function drawCirclePixel(x, y) {79 drawPixel(x, y);80 drawPixel(y, x);81 drawPixel(y, -x);82 drawPixel(x, -y);83 drawPixel(-x, -y);84 drawPixel(-y, -x);85 drawPixel(-y, x);86 drawPixel(-x, y);87}88function drawPixelBresenham(m, x, y) {89 if (ehEsquadraoUm(m))90 drawPixel(x, y);91 else if (ehEsquadraoDois(m))92 drawPixel(y, x);93 else if (ehEsquadraoTres(m))94 drawPixel(-y, x);95 else if (ehEsquadraoQuatro(m))96 drawPixel(-x, y);97 else if (ehEsquadraoCinco(m))98 drawPixel(-x, -y);99 else if (ehEsquadraoSeis(m))100 drawPixel(-y, -x);101 else if (ehEsquadraoSete(m))102 drawPixel(y, -x);103 else if (ehEsquadraoOito(m))104 drawPixel(x, -y);105 else106 drawPixel(x, y);107}108function ehEsquadraoUm(m) { return m > 0 && m < 1 }109function ehEsquadraoDois(m) { return m > 1 }110function ehEsquadraoTres(m) { return m < -1 }111function ehEsquadraoQuatro(m) { return m > -1 && m < 0 }112function ehEsquadraoCinco(m) { return m > 0 && m < 1 }113function ehEsquadraoSeis(m) { return m > 1 }114function ehEsquadraoSete(m) { return m < -1 }115function ehEsquadraoOito(m) { return m > -1 && m < 0 }116function drawPixel(x, y) {117 const ctx = myCanvas.getContext('2d');118 ctx.fillRect(x, y, 1, 1);...
circle.js
Source:circle.js
...17}18async function drawCircle (x_center, y_center, r) {19 var x = r;20 var y = 0;21 await drawPixel(x_center, y_center);22 if(r>0){23 await drawPixel(x + x_center, -y + y_center);24 await drawPixel(y + x_center, x + y_center);25 await drawPixel(-y + x_center, x + y_center);26 }27 var p = 1 -r;28 while(x>y){29 y++;30 if(p <= 0){31 p += 2 * y + 1;32 }else{33 x--;34 p += 2 * (y - x) + 1;35 }36 if(x<y)break;37 await drawPixel(x + x_center, y + y_center);38 await drawPixel(-x + x_center, y + y_center);39 await drawPixel(x + x_center, -y + y_center);40 await drawPixel(-x + x_center, -y + y_center);41 if(x!=y){42 await drawPixel(y + x_center, x + y_center);43 await drawPixel(-y + x_center, x + y_center);44 await drawPixel(y + x_center, -x + y_center);45 await drawPixel(-y + x_center, -x + y_center);46 }47 }48}49draw.addEventListener('click',async function(){50 var x = parseInt(document.getElementById('x').value);51 var y = parseInt(document.getElementById('y').value);52 var r = parseInt(document.getElementById('radius').value);53 await drawCircle(x,y,r);54 console.log("draw clicked");55});56function clear(){57 ctx.clearRect(0, 0, canvasWidth, canvasHeight);58 ctx.beginPath();59 line(-canvasWidth,0,canvasWidth,0)...
map-radiotelescopes.js
Source:map-radiotelescopes.js
1/* map-radiotelescopes.js2 */3var data;4function drawPixel(x, y)5{6 var temp = document.createElement("div");7 temp.style.position = "absolute";8 temp.style.backgroundColor = "white";9 temp.style.left = x+"px";10 temp.style.top = y+"px";11 temp.style.width = "1px";12 temp.style.height = "1px";13 data.appendChild(temp);14}15function drawCircle(xpos, ypos, radius)16{17 data = document.createElement("div");18 drawPixel(xpos, ypos);19 var d = 3 - (2 * radius);20 var x = 0;21 var y = radius;22 while (x <= y)23 {24 drawPixel(xpos+x, ypos+y);25 drawPixel(xpos+x, ypos-y);26 drawPixel(xpos-x, ypos+y);27 drawPixel(xpos-x, ypos-y);28 29 drawPixel(xpos+y, ypos+x);30 drawPixel(xpos+y, ypos-x);31 drawPixel(xpos-y, ypos+x);32 drawPixel(xpos-y, ypos-x);33 if (d < 0)34 d += (4 * x) + 6;35 else36 {37 d += 4 * (x - y) + 10;38 y--;39 }40 x++;41 }42 document.getElementById("data").appendChild(data);...
Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.screenshot({ path: 'screenshot.png' });7 await browser.close();8})();9const { chromium } = require('playwright');10(async () => {11 const browser = await chromium.launch();12 const context = await browser.newContext();13 const page = await context.newPage();14 await page.screenshot({ path: 'screenshot.png' });15 await browser.close();16})();17const { chromium } = require('playwright');18(async () => {19 const browser = await chromium.launch();20 const context = await browser.newContext();21 const page = await context.newPage();22 await page.screenshot({ path: 'screenshot.png' });23 await browser.close();24})();25const { chromium } = require('playwright');26(async () => {27 const browser = await chromium.launch();28 const context = await browser.newContext();29 const page = await context.newPage();30 await page.screenshot({ path: 'screenshot.png' });31 await browser.close();32})();33const { chromium } = require('playwright');34(async () => {35 const browser = await chromium.launch();36 const context = await browser.newContext();37 const page = await context.newPage();38 await page.screenshot({ path: 'screenshot.png' });39 await browser.close();40})();41const { chromium } = require('playwright');42(async () => {43 const browser = await chromium.launch();44 const context = await browser.newContext();45 const page = await context.newPage();
Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.drawPixel(10, 10, { color: { r: 255, g: 0, b: 0, a: 1 } });7 await browser.close();8})();
Using AI Code Generation
1const {chromium} = require('playwright');2(async () => {3 const browser = await chromium.launch({headless: false});4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.drawPixel(100, 100);7 await browser.close();8})();9const {chromium} = require('playwright');10(async () => {11 const browser = await chromium.launch({headless: false});12 const context = await browser.newContext();13 const page = await context.newPage();14 await page.drawPixel(100, 100);15 await browser.close();16})();17const {chromium} = require('playwright');18(async () => {19 const browser = await chromium.launch({headless: false});20 const context = await browser.newContext();21 const page = await context.newPage();22 await page.drawPixel(100, 100);23 await browser.close();24})();25const {chromium} = require('playwright');26(async () => {27 const browser = await chromium.launch({headless: false});28 const context = await browser.newContext();29 const page = await context.newPage();30 await page.drawPixel(100, 100);31 await browser.close();32})();33const {chromium} = require('playwright');34(async () => {35 const browser = await chromium.launch({headless: false});36 const context = await browser.newContext();37 const page = await context.newPage();38 await page.drawPixel(100, 100);39 await browser.close();40})();41const {chromium} = require('playwright');42(async () => {43 const browser = await chromium.launch({headless: false});
Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.drawPixel({ x: 10, y: 10, color: { r: 255, g: 0, b: 0, a: 1 } });7 await page.screenshot({ path: 'screenshot.png' });8 await browser.close();9})();
Using AI Code Generation
1const {chromium} = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.evaluate(() => {7 const canvas = document.createElement('canvas');8 canvas.width = 100;9 canvas.height = 100;10 canvas.style.position = 'absolute';11 canvas.style.top = '0';12 canvas.style.left = '0';13 document.body.appendChild(canvas);14 const ctx = canvas.getContext('2d');15 ctx.fillStyle = 'red';16 ctx.fillRect(0, 0, 100, 100);17 const imageData = ctx.getImageData(0, 0, 100, 100);18 const pixels = new Uint32Array(imageData.data.buffer);19 for (let i = 0; i < pixels.length; i++) {20 if (pixels[i] !== 4294901760) {21 console.log('Pixel at index ' + i + ' is not red');22 }23 }24 });25 await browser.close();26})();27const {chromium} = require('playwright');28(async () => {29 const browser = await chromium.launch();30 const context = await browser.newContext();31 const page = await context.newPage();32 await page.evaluate(() => {33 const canvas = document.createElement('canvas');34 canvas.width = 100;35 canvas.height = 100;36 canvas.style.position = 'absolute';37 canvas.style.top = '0';38 canvas.style.left = '0';39 document.body.appendChild(canvas);40 const ctx = canvas.getContext('2d');41 ctx.fillStyle = 'red';42 ctx.fillRect(0, 0, 100, 100);43 const imageData = ctx.getImageData(0, 0, 100, 100);44 const pixels = new Uint32Array(imageData.data.buffer);45 for (let i = 0; i < pixels.length; i++) {46 if (pixels[i] !== 4294901760) {47 console.log('Pixel at index ' + i + ' is not red');48 }49 }50 });51 await browser.close();52})();
Using AI Code Generation
1const {chromium} = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const page = await browser.newPage();5 await page.drawPixel(100, 100, 'red');6 await page.drawPixel(100, 101, 'green');7 await page.drawPixel(100, 102, 'blue');8 await page.drawPixel(100, 103, 'yellow');9 await page.drawPixel(100, 104, 'purple');10 await page.drawPixel(100, 105, 'cyan');11 await browser.close();12})();
Using AI Code Generation
1const { drawPixel } = require('playwright-core/lib/server/screencast/recorder');2drawPixel(100, 100, [255, 0, 0]);3const { drawRect } = require('playwright-core/lib/server/screencast/recorder');4drawRect(100, 100, 200, 200, [255, 0, 0]);5const { drawCircle } = require('playwright-core/lib/server/screencast/recorder');6drawCircle(100, 100, 50, [255, 0, 0]);7const { drawText } = require('playwright-core/lib/server/screencast/recorder');8drawText(100, 100, 'Hello World', [255, 0, 0]);
Playwright tutorial
LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.
Chapters:
- What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
- How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
- Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
- What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
- Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
- Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
- Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
- Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
- Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
- Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
- Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
- Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.
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