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Automation Advisor
Rod
rod_test
TestCanvasToImage

How to use TestCanvasToImage method of rod_test Package

Best Rod code snippet using rod_test.TestCanvasToImage

element_test.go

Source:element_test.go

...462	g.Err(el.WaitStableRAF())463	g.mc.stubErr(1, proto.DOMGetContentQuads{})464	g.Err(el.WaitStableRAF())465}466func TestCanvasToImage(t *testing.T) {467	g := setup(t)468	p := g.page.MustNavigate(g.srcFile("fixtures/canvas.html"))469	src, err := png.Decode(bytes.NewBuffer(p.MustElement("#canvas").MustCanvasToImage()))470	g.E(err)471	g.Eq(src.At(50, 50), color.NRGBA{0xFF, 0x00, 0x00, 0xFF})472}473func TestElementWaitLoad(t *testing.T) {474	g := setup(t)475	p := g.page.MustNavigate(g.srcFile("fixtures/resource.html"))476	p.MustElement("img").MustWaitLoad()477}478func TestResource(t *testing.T) {479	g := setup(t)480	p := g.page.MustNavigate(g.srcFile("fixtures/resource.html"))...

TestCanvasToImage

Using AI Code Generation

1import (2func main() {3	browser := rod.New().ControlURL(launcher.New().MustLaunch()).MustConnect()4	page := browser.MustPage("")5	html := page.MustHTML()6	log.Println(html)7	png := page.MustScreenshot("", &proto.PageCaptureScreenshot{})8	utils.WriteFile("screenshot.png", png)9	jpeg := page.MustScreenshot("", &proto.PageCaptureScreenshot{10	})11	utils.WriteFile("screenshot.jpg", jpeg)12	png = page.MustElement("#hplogo").MustScreenshot()13	utils.WriteFile("logo.png", png)14	jpeg = page.MustElement("#hplogo").MustScreenshot(&proto.PageCaptureScreenshot{15	})16	utils.WriteFile("logo.jpg", jpeg)17	canvas := page.MustCanvas(800, 600)18	canvas.MustFillCircle(400, 300, 100, color.RGBA{255, 0, 0, 255})19	canvas.MustFillCircle(400, 300, 50, color.RGBA{0, 0, 255, 255})20	canvas.MustStrokeRect(0, 0, 800, 600, color.RGBA{0, 0, 0, 255})

TestCanvasToImage

Using AI Code Generation

1import (2func main() {3	u := launcher.NewUserMode().Headless(false).Launch()4	defer launcher.New().Kill()5	browser := rod.New().ControlURL(u).Connect()6	defer browser.Close()7	defer page.Close()8	page.WaitLoad()9	title, err := page.Eval(`document.title`).String()10	if err != nil {11		log.Fatal(err)12	}13	log.Println(title)14	size, err := page.WindowSize()15	if err != nil {16		log.Fatal(err)17	}18	img := image.NewRGBA(image.Rect(0, 0, size.Width, size.Height))19	screenshot, err := page.Screenshot(proto.PageCaptureScreenshotFormatPng, 100, false)20	if err != nil {21		log.Fatal(err)22	}23	image, _, err := image.Decode(screenshot)24	if err != nil {25		log.Fatal(err)26	}27	draw.Draw(img, img.Bounds(), image, image.Bounds().Min, draw.Src)28	file, err := os.Create("screenshot.png")29	if err != nil {30		log.Fatal(err)31	}32	defer file.Close()33	if err := png.Encode(file, img); err != nil {34		log.Fatal(err)35	}36	draw.Draw(img, img.Bounds(), &image.Uniform{color.White}, image.Point{}, draw.Src)37	file, err = os.Create("screenshot-white.png")38	if err != nil {39		log.Fatal(err)40	}41	defer file.Close()42	if err := png.Encode(file, img); err !=

TestCanvasToImage

Using AI Code Generation

1import (2func main() {3	launch := launcher.New().Headless(false).MustLaunch()4	defer launch.Kill()5	browser := rod.New().ControlURL(launch).MustConnect()6	defer browser.MustClose()7	page.MustElement("input[name=q]").MustInput("rod").MustPress(rod.Enter)8	canvas := page.MustElement("canvas")9	img, err := canvas.TestCanvasToImage()10	if err != nil {11		panic(err)12	}13	err = img.Save("canvas.png")14	if err != nil {15		panic(err)16	}17}18import (19func main() {20	launch := launcher.New().Headless(false).MustLaunch()21	defer launch.Kill()22	browser := rod.New().ControlURL(launch).MustConnect()23	defer browser.MustClose()24	page.MustElement("input[name=q]").MustInput("rod").MustPress(rod.Enter)25	canvas := page.MustElement("canvas")26	img, err := canvas.TestCanvasToImage()27	if err != nil {28		panic(err)29	}30	newImage := image.NewRGBA(img.Bounds())31	draw.Draw(newImage, newImage.Bounds(), img, image.Point{}, draw.Src)32	for i := 0; i < border; i++ {33		for x := 0; x < newImage.Bounds().Max.X; x++ {34			newImage.Set(x, i, color.RGBA{

TestCanvasToImage

Using AI Code Generation

1import (2func TestCanvasToImage() {3	l := launcher.New().Headless(false)4	defer l.Cleanup()5	browser := rod.New().ControlURL(l).MustConnect()6	page := browser.MustPage("")7	canvas, err := page.Element("canvas")8	if err != nil {9		panic(err)10	}11	canvasToImage, err := canvas.JSHandle().Call("CanvasToImage")12	if err != nil {13		panic(err)14	}15	content, err := canvasToImage.Call("toDataURL")16	if err != nil {17		panic(err)18	}19	println(content.String())20}21func TestCanvasToImage() {22	l := launcher.New().Headless(false)23	defer l.Cleanup()24	browser := rod.New().ControlURL(l).MustConnect()25	page := browser.MustPage("")26	canvas, err := page.Element("canvas")27	if err != nil {28		panic(err)29	}30	canvasToImage, err := canvas.JSHandle().Call("CanvasToImage")31	if err != nil {32		panic(err)33	}34	content, err := canvasToImage.Call("toDataURL")35	if err != nil {36		panic(err)37	}38	println(content.String())39}40import (41func TestCanvasToImage() {42	l := launcher.New().Headless(false)43	defer l.Cleanup()44	browser := rod.New().ControlURL(l).MustConnect()45	page := browser.MustPage("")

TestCanvasToImage

Using AI Code Generation

1import (2func main() {3	browser := rod.New().Connect()4	page.TestCanvasToImage()5	browser.Close()6}7import (8func main() {9	browser := rod.New().Connect()10	page.TestCanvasToImage()11	browser.Close()12}13import (14func main() {15	browser := rod.New().Connect()16	page.TestCanvasToImage()17	browser.Close()18}19import (20func main() {21	browser := rod.New().Connect()22	page.TestCanvasToImage()23	browser.Close()24}25import (26func main() {27	browser := rod.New().Connect()28	page.TestCanvasToImage()29	browser.Close()30}

TestCanvasToImage

Using AI Code Generation

1import (2func main() {3	browser := rod.New().MustConnect()4	page.MustElement("input[name=q]").MustInput("rod").MustPress("Enter")5	b := page.MustScreenshot()6	img, err := utils.CanvasToImage(b)7	utils.E(err)8	utils.E(utils.Save(img, "screenshot.png"))9}10import (11func TestCanvasToImage(t *testing.T) {12	t.Parallel()13	b := make([]byte, 4)14	img, err := utils.CanvasToImage(b)15	assert.Nil(t, err)16	assert.Equal(t, img.Bounds().Max.X, 1)17	assert.Equal(t, img.Bounds().Max.Y, 1)18	assert.Equal(t, img.At(0, 0), color.RGBA{255, 255, 255, 255})19}20func TestCanvasToImage2(t *testing.T) {21	t.Parallel()22	b := make([]byte, 8)23	img, err := utils.CanvasToImage(b)24	assert.Nil(t, err)25	assert.Equal(t, img.Bounds().Max.X, 2)26	assert.Equal(t, img.Bounds().Max.Y, 1)27	assert.Equal(t, img.At(0, 0), color.RGBA{255, 255, 255, 255})28	assert.Equal(t, img.At(1

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