import chroma, pixie block: let ctx = newContext(newImage(300, 160)) ctx.beginPath() ctx.fillStyle = "#ff6" ctx.fillRect(0, 0, ctx.image.width.float32, ctx.image.height.float32) ctx.beginPath() ctx.fillStyle = "blue" ctx.moveTo(20, 20) ctx.lineTo(180, 20) ctx.lineTo(130, 130) ctx.closePath() ctx.fill() ctx.clearRect(10, 10, 120, 100) ctx.image.writeFile("tests/images/context/clearRect_1.png") block: let ctx = newContext(newImage(300, 150)) ctx.beginPath() ctx.strokeStyle = "blue" ctx.moveTo(20, 20) ctx.lineTo(200, 20) ctx.stroke() ctx.beginPath() ctx.strokeStyle = "green" ctx.moveTo(20, 20) ctx.lineTo(120, 120) ctx.stroke() ctx.image.writeFile("tests/images/context/beginPath_1.png") block: let ctx = newContext(newImage(300, 150)) ctx.beginPath() ctx.moveTo(50, 50) ctx.lineTo(200, 50) ctx.moveTo(50, 90) ctx.lineTo(280, 120) ctx.stroke() ctx.image.writeFile("tests/images/context/moveTo_1.png") block: let ctx = newContext(newImage(300, 150)) var region: Path region.moveTo(30, 90) region.lineTo(110, 20) region.lineTo(240, 130) region.lineTo(60, 130) region.lineTo(190, 20) region.lineTo(270, 90) region.closePath() ctx.fillStyle = "green" ctx.fill(region, wrEvenOdd) ctx.image.writeFile("tests/images/context/fill_1.png") block: let ctx = newContext(newImage(300, 150)) ctx.rect(10, 10, 150, 100) ctx.stroke() ctx.image.writeFile("tests/images/context/stroke_1.png") block: let ctx = newContext(newImage(300, 150)) ctx.lineWidth = 26 ctx.strokeStyle = "orange" ctx.moveTo(20, 20) ctx.lineTo(160, 20) ctx.stroke() ctx.lineWidth = 14 ctx.strokeStyle = "green" ctx.moveTo(20, 80) ctx.lineTo(220, 80) ctx.stroke() ctx.lineWidth = 4 ctx.strokeStyle = "pink" ctx.moveTo(20, 140) ctx.lineTo(280, 140) ctx.stroke() ctx.image.writeFile("tests/images/context/stroke_2.png") block: let ctx = newContext(newImage(300, 150)) ctx.lineWidth = 26 ctx.strokeStyle = "red" ctx.beginPath() ctx.rect(25, 25, 100, 100) ctx.fill() ctx.stroke() ctx.beginPath() ctx.rect(175, 25, 100, 100) ctx.stroke() ctx.fill() ctx.image.writeFile("tests/images/context/stroke_3.png") block: let ctx = newContext(newImage(300, 150)) ctx.beginPath() ctx.moveTo(20, 140) ctx.lineTo(120, 10) ctx.lineTo(220, 140) ctx.closePath() ctx.stroke() ctx.image.writeFile("tests/images/context/closePath_1.png") block: let ctx = newContext(newImage(300, 150)) let start = vec2(50, 20) cp1 = vec2(230, 30) cp2 = vec2(150, 80) to = vec2(250, 100) ctx.beginPath() ctx.moveTo(start) ctx.bezierCurveTo(cp1, cp2, to) ctx.stroke() ctx.image.writeFile("tests/images/context/bezierCurveTo_1.png") block: let ctx = newContext(newImage(300, 150)) ctx.beginPath() ctx.moveTo(30, 30) ctx.bezierCurveTo(120, 160, 180, 10, 220, 140) ctx.stroke() ctx.image.writeFile("tests/images/context/bezierCurveTo_2.png") block: let ctx = newContext(newImage(300, 150)) ctx.moveTo(50, 20) ctx.quadraticCurveTo(230, 30, 50, 100) ctx.stroke() ctx.image.writeFile("tests/images/context/quadracticCurveTo_1.png") block: let ctx = newContext(newImage(300, 150)) ctx.beginPath() ctx.moveTo(20, 110) ctx.quadraticCurveTo(230, 150, 250, 20) ctx.stroke() ctx.image.writeFile("tests/images/context/quadracticCurveTo_2.png") block: let ctx = newContext(newImage(300, 150)) ctx.beginPath() ctx.ellipse(100, 75, 75, 50) ctx.stroke() ctx.image.writeFile("tests/images/context/ellipse_1.png") block: let ctx = newContext(newImage(300, 150)) ctx.strokeStyle = "green" ctx.strokeRect(20, 10, 160, 100) ctx.image.writeFile("tests/images/context/strokeRect_1.png") block: let ctx = newContext(newImage(300, 150)) ctx.lineJoin = ljBevel ctx.lineWidth = 15 ctx.strokeStyle = "#38f" ctx.strokeRect(30, 30, 160, 90) ctx.image.writeFile("tests/images/context/strokeRect_2.png") block: let ctx = newContext(newImage(300, 150)) ctx.setTransform(1, 0.2, 0.8, 1, 0, 0) ctx.fillRect(0, 0, 100, 100) ctx.image.writeFile("tests/images/context/setTransform_1.png") block: let ctx = newContext(newImage(300, 150)) ctx.setTransform(1, 0.2, 0.8, 1, 0, 0) ctx.fillRect(0, 0, 100, 100) ctx.image.writeFile("tests/images/context/resetTransform_1.png") block: let ctx = newContext(newImage(300, 150)) ctx.rotate(45 * PI / 180) ctx.fillRect(60, 0, 100, 30) ctx.image.writeFile("tests/images/context/resetTransform_1.png") block: let ctx = newContext(newImage(300, 150)) ctx.transform(1, 0, 1.7, 1, 0, 0) ctx.fillStyle = "gray" ctx.fillRect(40, 40, 50, 20) ctx.fillRect(40, 90, 50, 20) ctx.resetTransform() ctx.fillStyle = "red" ctx.fillRect(40, 40, 50, 20) ctx.fillRect(40, 90, 50, 20) ctx.image.writeFile("tests/images/context/resetTransform_2.png") block: let ctx = newContext(newImage(300, 150)) ctx.translate(110, 30) ctx.fillStyle = "red" ctx.fillRect(0, 0, 80, 80) ctx.setTransform(1, 0, 0, 1, 0, 0) ctx.fillStyle = "gray" ctx.fillRect(0, 0, 80, 80) ctx.image.writeFile("tests/images/context/translate_1.png") block: let ctx = newContext(newImage(300, 150)) ctx.scale(9, 3) ctx.fillStyle = "red" ctx.fillRect(10, 10, 8, 20) ctx.setTransform(1, 0, 0, 1, 0, 0) ctx.fillStyle = "gray" ctx.fillRect(10, 10, 8, 20) ctx.image.writeFile("tests/images/context/scale_1.png") block: let ctx = newContext(newImage(300, 150)) ctx.fillStyle = "gray" ctx.fillRect(100, 0, 80, 20) ctx.rotate(45 * PI / 180) ctx.fillStyle = "red" ctx.fillRect(100, 0, 80, 20) ctx.image.writeFile("tests/images/context/rotate_1.png") block: let ctx = newContext(newImage(300, 150)) ctx.font = readFont("tests/fonts/Roboto-Regular_1.ttf") ctx.font.size = 50 ctx.fillText("Hello world", 50, 90) ctx.image.writeFile("tests/images/context/fillText_1.png") block: let ctx = newContext(newImage(300, 150)) ctx.font = readFont("tests/fonts/Roboto-Regular_1.ttf") ctx.font.size = 50 ctx.strokeText("Hello world", 50, 90) ctx.image.writeFile("tests/images/context/strokeText_1.png") block: let ctx = newContext(newImage(300, 150)) ctx.save() ctx.fillStyle = "green" ctx.fillRect(10, 10, 100, 100) ctx.restore() ctx.fillRect(150, 40, 100, 100) ctx.image.writeFile("tests/images/context/save_1.png") block: let ctx = newContext(newImage(300, 150)) ctx.beginPath() ctx.circle(100, 75, 50) ctx.clip() ctx.fillStyle = "blue" ctx.fillRect(0, 0, ctx.image.width.float32, ctx.image.height.float32) ctx.fillStyle = "orange" ctx.fillRect(0, 0, 100, 100) ctx.image.writeFile("tests/images/context/clip_1.png") block: let ctx = newContext(newImage(300, 150)) ctx.fillStyle = "blue" ctx.fillRect(0, 0, ctx.image.width.float32, ctx.image.height.float32) ctx.beginPath() ctx.circle(100, 75, 50) ctx.clip() ctx.fillStyle = "red" ctx.fillRect(0, 0, ctx.image.width.float32, ctx.image.height.float32) ctx.fillStyle = "orange" ctx.fillRect(0, 0, 100, 100) ctx.image.writeFile("tests/images/context/clip_1b.png") block: let ctx = newContext(newImage(300, 150)) ctx.save() ctx.beginPath() ctx.circle(100, 75, 50) ctx.clip() ctx.fillStyle = "red" ctx.fillRect(0, 0, ctx.image.width.float32, ctx.image.height.float32) ctx.fillStyle = "orange" ctx.fillRect(0, 0, 100, 100) ctx.restore() ctx.fillStyle = "blue" ctx.fillRect(0, 0, ctx.image.width.float32, ctx.image.height.float32) ctx.image.writeFile("tests/images/context/clip_1c.png") block: let ctx = newContext(newImage(300, 150)) ctx.fillStyle = "blue" ctx.fillRect(0, 0, ctx.image.width.float32, ctx.image.height.float32) ctx.beginPath() ctx.circle(100, 75, 50) ctx.clip() ctx.saveLayer() ctx.fillStyle = "red" ctx.fillRect(0, 0, ctx.image.width.float32, ctx.image.height.float32) ctx.fillStyle = "orange" ctx.fillRect(0, 0, 100, 100) ctx.restore() ctx.image.writeFile("tests/images/context/clip_1d.png") block: let ctx = newContext(newImage(300, 150)) ctx.save() ctx.beginPath() ctx.circle(100, 75, 50) ctx.clip() ctx.saveLayer() ctx.fillStyle = "red" ctx.fillRect(0, 0, ctx.image.width.float32, ctx.image.height.float32) ctx.fillStyle = "orange" ctx.fillRect(0, 0, 100, 100) ctx.restore() # Pop the layer ctx.restore() # Pop the clip ctx.fillStyle = "blue" ctx.fillRect(0, 0, ctx.image.width.float32, ctx.image.height.float32) ctx.image.writeFile("tests/images/context/clip_1e.png") block: let ctx = newContext(newImage(300, 150)) ctx.save() ctx.beginPath() ctx.circle(100, 75, 50) ctx.clip() ctx.saveLayer() ctx.fillStyle = "red" ctx.fillRect(0, 0, ctx.image.width.float32, ctx.image.height.float32) ctx.restore() ctx.saveLayer() ctx.fillStyle = "orange" ctx.fillRect(0, 0, 100, 100) ctx.restore() # Pop the layer ctx.image.writeFile("tests/images/context/clip_1f.png") block: let ctx = newContext(newImage(300, 150)) var region: Path region.rect(80, 10, 20, 130) region.rect(40, 50, 100, 50) ctx.clip(region, wrEvenOdd) ctx.fillStyle = "blue" ctx.fillRect(0, 0, ctx.image.width.float32, ctx.image.height.float32) ctx.image.writeFile("tests/images/context/clip_2.png") block: let image = newImage(300, 150) let ctx = newContext(image) var circlePath: Path circlePath.circle(150, 75, 75) var squarePath: Path squarePath.rect(85, 10, 130, 130) ctx.clip(circlePath) ctx.clip(squarePath) ctx.fillStyle = "blue" ctx.fillRect(0, 0, ctx.image.width.float32, ctx.image.height.float32) image.writeFile("tests/images/context/clip_3.png") block: let image = newImage(300, 150) let ctx = newContext(image) ctx.font = readFont("tests/fonts/Roboto-Regular_1.ttf") ctx.font.size = 50 ctx.fillStyle = "blue" ctx.saveLayer() var circlePath: Path circlePath.circle(150, 75, 75) ctx.clip(circlePath) ctx.fillText("Hello world", 50, 90) ctx.restore() image.writeFile("tests/images/context/clip_text.png") block: let ctx = newContext(100, 100) ctx.font = readFont("tests/fonts/Roboto-Regular_1.ttf") let metrics = ctx.measureText("Hello world") doAssert metrics.width == 61 block: let image = newImage(300, 150) ctx = newContext(image) var y = 15.float32 proc drawDashedLine(pattern: seq[float32]) = ctx.beginPath(); ctx.setLineDash(pattern); ctx.moveTo(0, y); ctx.lineTo(300, y); ctx.stroke(); y += 20; drawDashedLine(@[]); drawDashedLine(@[1.float32, 1]); drawDashedLine(@[10.float32, 10]); drawDashedLine(@[20.float32, 5]); drawDashedLine(@[15.float32, 3, 3, 3]); drawDashedLine(@[20.float32, 3, 3, 3, 3, 3, 3, 3]); drawDashedLine(@[12.float32, 3, 3]); image.writeFile("tests/images/context/setLineDash_1.png")