diff options
Diffstat (limited to 'tests/auto/quick/qquickcanvasitem/data/tst_transform.qml')
| -rw-r--r-- | tests/auto/quick/qquickcanvasitem/data/tst_transform.qml | 973 |
1 files changed, 489 insertions, 484 deletions
diff --git a/tests/auto/quick/qquickcanvasitem/data/tst_transform.qml b/tests/auto/quick/qquickcanvasitem/data/tst_transform.qml index b8505c6452..b2f5b51fa5 100644 --- a/tests/auto/quick/qquickcanvasitem/data/tst_transform.qml +++ b/tests/auto/quick/qquickcanvasitem/data/tst_transform.qml @@ -1,487 +1,492 @@ import QtQuick 2.0 -import QtTest 1.0 -import "testhelper.js" as Helper -Canvas { - id:canvas; width:100;height:50; renderTarget: Canvas.Image; renderStrategy:Canvas.Threaded - TestCase { - name: "transform"; when: windowShown - function test_order() { - var ctx = canvas.getContext('2d'); - ctx.reset(); - ctx.fillStyle = '#f00'; - ctx.fillRect(0, 0, 100, 50); - - ctx.scale(2, 1); - ctx.rotate(Math.PI / 2); - ctx.fillStyle = '#0f0'; - ctx.fillRect(0, -50, 50, 50); - verify(Helper.comparePixel(ctx, 75,25, 0,255,0,255)); - } - function test_rotate() { - var ctx = canvas.getContext('2d'); - ctx.reset(); - ctx.fillStyle = '#f00'; - ctx.fillRect(0, 0, 100, 50); - - ctx.rotate(Math.PI / 2); - ctx.fillStyle = '#0f0'; - ctx.fillRect(0, -100, 50, 100); - verify(Helper.comparePixel(ctx, 50,25, 0,255,0,255)); - ctx.reset(); - - ctx.fillStyle = '#f00'; - ctx.fillRect(0, 0, 100, 50); - - ctx.translate(100, 10); - ctx.rotate(Infinity); - ctx.rotate(-Infinity); - ctx.rotate(NaN); - - ctx.fillStyle = '#0f0'; - ctx.fillRect(-100, -10, 100, 50); - - verify(Helper.comparePixel(ctx, 50,25, 0,255,0,255)); - ctx.reset(); - - ctx.fillStyle = '#f00'; - ctx.fillRect(0, 0, 100, 50); - - ctx.rotate(Math.PI); // should fail obviously if this is 3.1 degrees - ctx.fillStyle = '#0f0'; - ctx.fillRect(-100, -50, 100, 50); - verify(Helper.comparePixel(ctx, 50,25, 0,255,0,255)); - ctx.reset(); - - ctx.fillStyle = '#f00'; - ctx.fillRect(0, 0, 100, 50); - - ctx.rotate(Math.PI * (1 + 4096)); // == pi (mod 2*pi) - // We need about pi +/- 0.001 in order to get correct-looking results - // 32-bit floats can store pi*4097 with precision 2^-10, so that should - // be safe enough on reasonable implementations - ctx.fillStyle = '#0f0'; - ctx.fillRect(-100, -50, 100, 50); - verify(Helper.comparePixel(ctx, 50,25, 0,255,0,255)); - verify(Helper.comparePixel(ctx, 98,2, 0,255,0,255)); - verify(Helper.comparePixel(ctx, 98,47, 0,255,0,255)); - ctx.reset(); - - ctx.fillStyle = '#f00'; - ctx.fillRect(0, 0, 100, 50); - - ctx.rotate(-Math.PI * (1 + 4096)); - ctx.fillStyle = '#0f0'; - ctx.fillRect(-100, -50, 100, 50); - verify(Helper.comparePixel(ctx, 50,25, 0,255,0,255)); - verify(Helper.comparePixel(ctx, 98,2, 0,255,0,255)); - verify(Helper.comparePixel(ctx, 98,47, 0,255,0,255)); - ctx.reset(); - - ctx.fillStyle = '#f00'; - ctx.fillRect(0, 0, 100, 50); - - ctx.rotate(0); - ctx.fillStyle = '#0f0'; - ctx.fillRect(0, 0, 100, 50); - verify(Helper.comparePixel(ctx, 50,25, 0,255,0,255)); - - - } - function test_scale() { - var ctx = canvas.getContext('2d'); - ctx.reset(); - - ctx.fillStyle = '#f00'; - ctx.fillRect(0, 0, 100, 50); - - ctx.scale(2, 4); - ctx.fillStyle = '#0f0'; - ctx.fillRect(0, 0, 50, 12.5); - verify(Helper.comparePixel(ctx, 90,40, 0,255,0,255)); - ctx.reset(); - - ctx.fillStyle = '#f00'; - ctx.fillRect(0, 0, 100, 50); - - ctx.scale(1e5, 1e5); - ctx.fillStyle = '#0f0'; - ctx.fillRect(0, 0, 1, 1); - verify(Helper.comparePixel(ctx, 50,25, 0,255,0,255)); - ctx.reset(); - - ctx.fillStyle = '#f00'; - ctx.fillRect(0, 0, 100, 50); - - ctx.scale(Math.sqrt(2), Math.sqrt(2)); - ctx.scale(Math.sqrt(2), Math.sqrt(2)); - ctx.fillStyle = '#0f0'; - ctx.fillRect(0, 0, 50, 25); - verify(Helper.comparePixel(ctx, 90,40, 0,255,0,255)); - ctx.reset(); - - ctx.fillStyle = '#f00'; - ctx.fillRect(0, 0, 100, 50); - - ctx.save(); - ctx.scale(-1, 1); - ctx.fillStyle = '#0f0'; - ctx.fillRect(-50, 0, 50, 50); - ctx.restore(); - - ctx.save(); - ctx.scale(1, -1); - ctx.fillStyle = '#0f0'; - ctx.fillRect(50, -50, 50, 50); - ctx.restore(); - verify(Helper.comparePixel(ctx, 25,25, 0,255,0,255)); - verify(Helper.comparePixel(ctx, 75,25, 0,255,0,255)); - ctx.reset(); - - ctx.fillStyle = '#f00'; - ctx.fillRect(0, 0, 100, 50); - - ctx.translate(100, 10); - ctx.scale(Infinity, 0.1); - ctx.scale(-Infinity, 0.1); - ctx.scale(NaN, 0.1); - ctx.scale(0.1, Infinity); - ctx.scale(0.1, -Infinity); - ctx.scale(0.1, NaN); - ctx.scale(Infinity, Infinity); - - ctx.fillStyle = '#0f0'; - ctx.fillRect(-100, -10, 100, 50); - - verify(Helper.comparePixel(ctx, 50,25, 0,255,0,255)); - ctx.reset(); - - ctx.fillStyle = '#0f0'; - ctx.fillRect(0, 0, 100, 50); - - ctx.save(); - ctx.translate(50, 0); - ctx.scale(0, 1); - ctx.fillStyle = '#f00'; - ctx.fillRect(0, 0, 100, 50); - ctx.restore(); - - ctx.save(); - ctx.translate(0, 25); - ctx.scale(1, 0); - ctx.fillStyle = '#f00'; - ctx.fillRect(0, 0, 100, 50); - ctx.restore(); - - // Firefox has a bug where it renders the canvas as empty and toDataURL throws an exception - canvas.toDataURL(); - - verify(Helper.comparePixel(ctx, 50,25, 0,255,0,255)); - } - function test_setTransform() { - var ctx = canvas.getContext('2d'); - ctx.reset(); - ctx.fillStyle = '#f00'; - ctx.fillRect(0, 0, 100, 50); - - ctx.setTransform(1/2,0, 0,1/2, 0,0); - ctx.setTransform(2,0, 0,2, 0,0); - ctx.fillStyle = '#0f0'; - ctx.fillRect(0, 0, 50, 25); - verify(Helper.comparePixel(ctx, 75,35, 0,255,0,255)); - ctx.reset(); - - ctx.fillStyle = '#f00'; - ctx.fillRect(0, 0, 100, 50); - - ctx.translate(100, 10); - ctx.setTransform(Infinity, 0, 0, 0, 0, 0); - ctx.setTransform(-Infinity, 0, 0, 0, 0, 0); - ctx.setTransform(NaN, 0, 0, 0, 0, 0); - ctx.setTransform(0, Infinity, 0, 0, 0, 0); - ctx.setTransform(0, -Infinity, 0, 0, 0, 0); - ctx.setTransform(0, NaN, 0, 0, 0, 0); - ctx.setTransform(0, 0, Infinity, 0, 0, 0); - ctx.setTransform(0, 0, -Infinity, 0, 0, 0); - ctx.setTransform(0, 0, NaN, 0, 0, 0); - ctx.setTransform(0, 0, 0, Infinity, 0, 0); - ctx.setTransform(0, 0, 0, -Infinity, 0, 0); - ctx.setTransform(0, 0, 0, NaN, 0, 0); - ctx.setTransform(0, 0, 0, 0, Infinity, 0); - ctx.setTransform(0, 0, 0, 0, -Infinity, 0); - ctx.setTransform(0, 0, 0, 0, NaN, 0); - ctx.setTransform(0, 0, 0, 0, 0, Infinity); - ctx.setTransform(0, 0, 0, 0, 0, -Infinity); - ctx.setTransform(0, 0, 0, 0, 0, NaN); - ctx.setTransform(Infinity, Infinity, 0, 0, 0, 0); - ctx.setTransform(Infinity, Infinity, Infinity, 0, 0, 0); - ctx.setTransform(Infinity, Infinity, Infinity, Infinity, 0, 0); - ctx.setTransform(Infinity, Infinity, Infinity, Infinity, Infinity, 0); - ctx.setTransform(Infinity, Infinity, Infinity, Infinity, Infinity, Infinity); - ctx.setTransform(Infinity, Infinity, Infinity, Infinity, 0, Infinity); - ctx.setTransform(Infinity, Infinity, Infinity, 0, Infinity, 0); - ctx.setTransform(Infinity, Infinity, Infinity, 0, Infinity, Infinity); - ctx.setTransform(Infinity, Infinity, Infinity, 0, 0, Infinity); - ctx.setTransform(Infinity, Infinity, 0, Infinity, 0, 0); - ctx.setTransform(Infinity, Infinity, 0, Infinity, Infinity, 0); - ctx.setTransform(Infinity, Infinity, 0, Infinity, Infinity, Infinity); - ctx.setTransform(Infinity, Infinity, 0, Infinity, 0, Infinity); - ctx.setTransform(Infinity, Infinity, 0, 0, Infinity, 0); - ctx.setTransform(Infinity, Infinity, 0, 0, Infinity, Infinity); - ctx.setTransform(Infinity, Infinity, 0, 0, 0, Infinity); - ctx.setTransform(Infinity, 0, Infinity, 0, 0, 0); - ctx.setTransform(Infinity, 0, Infinity, Infinity, 0, 0); - ctx.setTransform(Infinity, 0, Infinity, Infinity, Infinity, 0); - ctx.setTransform(Infinity, 0, Infinity, Infinity, Infinity, Infinity); - ctx.setTransform(Infinity, 0, Infinity, Infinity, 0, Infinity); - ctx.setTransform(Infinity, 0, Infinity, 0, Infinity, 0); - ctx.setTransform(Infinity, 0, Infinity, 0, Infinity, Infinity); - ctx.setTransform(Infinity, 0, Infinity, 0, 0, Infinity); - ctx.setTransform(Infinity, 0, 0, Infinity, 0, 0); - ctx.setTransform(Infinity, 0, 0, Infinity, Infinity, 0); - ctx.setTransform(Infinity, 0, 0, Infinity, Infinity, Infinity); - ctx.setTransform(Infinity, 0, 0, Infinity, 0, Infinity); - ctx.setTransform(Infinity, 0, 0, 0, Infinity, 0); - ctx.setTransform(Infinity, 0, 0, 0, Infinity, Infinity); - ctx.setTransform(Infinity, 0, 0, 0, 0, Infinity); - ctx.setTransform(0, Infinity, Infinity, 0, 0, 0); - ctx.setTransform(0, Infinity, Infinity, Infinity, 0, 0); - ctx.setTransform(0, Infinity, Infinity, Infinity, Infinity, 0); - ctx.setTransform(0, Infinity, Infinity, Infinity, Infinity, Infinity); - ctx.setTransform(0, Infinity, Infinity, Infinity, 0, Infinity); - ctx.setTransform(0, Infinity, Infinity, 0, Infinity, 0); - ctx.setTransform(0, Infinity, Infinity, 0, Infinity, Infinity); - ctx.setTransform(0, Infinity, Infinity, 0, 0, Infinity); - ctx.setTransform(0, Infinity, 0, Infinity, 0, 0); - ctx.setTransform(0, Infinity, 0, Infinity, Infinity, 0); - ctx.setTransform(0, Infinity, 0, Infinity, Infinity, Infinity); - ctx.setTransform(0, Infinity, 0, Infinity, 0, Infinity); - ctx.setTransform(0, Infinity, 0, 0, Infinity, 0); - ctx.setTransform(0, Infinity, 0, 0, Infinity, Infinity); - ctx.setTransform(0, Infinity, 0, 0, 0, Infinity); - ctx.setTransform(0, 0, Infinity, Infinity, 0, 0); - ctx.setTransform(0, 0, Infinity, Infinity, Infinity, 0); - ctx.setTransform(0, 0, Infinity, Infinity, Infinity, Infinity); - ctx.setTransform(0, 0, Infinity, Infinity, 0, Infinity); - ctx.setTransform(0, 0, Infinity, 0, Infinity, 0); - ctx.setTransform(0, 0, Infinity, 0, Infinity, Infinity); - ctx.setTransform(0, 0, Infinity, 0, 0, Infinity); - ctx.setTransform(0, 0, 0, Infinity, Infinity, 0); - ctx.setTransform(0, 0, 0, Infinity, Infinity, Infinity); - ctx.setTransform(0, 0, 0, Infinity, 0, Infinity); - ctx.setTransform(0, 0, 0, 0, Infinity, Infinity); - - ctx.fillStyle = '#0f0'; - ctx.fillRect(-100, -10, 100, 50); - - verify(Helper.comparePixel(ctx, 50,25, 0,255,0,255)); - ctx.reset(); - - // Create green with a red square ring inside it - ctx.fillStyle = '#0f0'; - ctx.fillRect(0, 0, 100, 50); - ctx.fillStyle = '#f00'; - ctx.fillRect(20, 10, 60, 30); - ctx.fillStyle = '#0f0'; - ctx.fillRect(40, 20, 20, 10); - - // Draw a skewed shape to fill that gap, to make sure it is aligned correctly - ctx.setTransform(1,4, 2,3, 5,6); - // Post-transform coordinates: - // [[20,10],[80,10],[80,40],[20,40],[20,10],[40,20],[40,30],[60,30],[60,20],[40,20],[20,10]]; - // Hence pre-transform coordinates: - var pts=[[-7.4,11.2],[-43.4,59.2],[-31.4,53.2],[4.6,5.2],[-7.4,11.2], - [-15.4,25.2],[-11.4,23.2],[-23.4,39.2],[-27.4,41.2],[-15.4,25.2], - [-7.4,11.2]]; - ctx.beginPath(); - ctx.moveTo(pts[0][0], pts[0][1]); - for (var i = 0; i < pts.length; ++i) - ctx.lineTo(pts[i][0], pts[i][1]); - ctx.fill(); - /* - //FIXME: - verify(Helper.comparePixel(ctx, 21,11, 0,255,0,255)); - verify(Helper.comparePixel(ctx, 79,11, 0,255,0,255)); - verify(Helper.comparePixel(ctx, 21,39, 0,255,0,255)); - verify(Helper.comparePixel(ctx, 79,39, 0,255,0,255)); - verify(Helper.comparePixel(ctx, 39,19, 0,255,0,255)); - verify(Helper.comparePixel(ctx, 61,19, 0,255,0,255)); - verify(Helper.comparePixel(ctx, 39,31, 0,255,0,255)); - verify(Helper.comparePixel(ctx, 61,31, 0,255,0,255)); - */ - ctx.reset(); - - ctx.fillStyle = '#f00'; - ctx.fillRect(0, 0, 100, 50); - - ctx.transform(1,0, 0,1, 0,0); - ctx.fillStyle = '#0f0'; - ctx.fillRect(0, 0, 100, 50); - verify(Helper.comparePixel(ctx, 50,25, 0,255,0,255)); - - } - function test_transform() { - var ctx = canvas.getContext('2d'); - ctx.reset(); - ctx.fillStyle = '#f00'; - ctx.fillRect(0, 0, 100, 50); - - ctx.transform(1,2, 3,4, 5,6); - ctx.transform(-2,1, 3/2,-1/2, 1,-2); - ctx.fillStyle = '#0f0'; - ctx.fillRect(0, 0, 100, 50); - verify(Helper.comparePixel(ctx, 50,25, 0,255,0,255)); - ctx.reset(); - - ctx.fillStyle = '#f00'; - ctx.fillRect(0, 0, 100, 50); - - ctx.translate(100, 10); - ctx.transform(Infinity, 0, 0, 0, 0, 0); - ctx.transform(-Infinity, 0, 0, 0, 0, 0); - ctx.transform(NaN, 0, 0, 0, 0, 0); - ctx.transform(0, Infinity, 0, 0, 0, 0); - ctx.transform(0, -Infinity, 0, 0, 0, 0); - ctx.transform(0, NaN, 0, 0, 0, 0); - ctx.transform(0, 0, Infinity, 0, 0, 0); - ctx.transform(0, 0, -Infinity, 0, 0, 0); - ctx.transform(0, 0, NaN, 0, 0, 0); - ctx.transform(0, 0, 0, Infinity, 0, 0); - ctx.transform(0, 0, 0, -Infinity, 0, 0); - ctx.transform(0, 0, 0, NaN, 0, 0); - ctx.transform(0, 0, 0, 0, Infinity, 0); - ctx.transform(0, 0, 0, 0, -Infinity, 0); - ctx.transform(0, 0, 0, 0, NaN, 0); - ctx.transform(0, 0, 0, 0, 0, Infinity); - ctx.transform(0, 0, 0, 0, 0, -Infinity); - ctx.transform(0, 0, 0, 0, 0, NaN); - ctx.transform(Infinity, Infinity, 0, 0, 0, 0); - ctx.transform(Infinity, Infinity, Infinity, 0, 0, 0); - ctx.transform(Infinity, Infinity, Infinity, Infinity, 0, 0); - ctx.transform(Infinity, Infinity, Infinity, Infinity, Infinity, 0); - ctx.transform(Infinity, Infinity, Infinity, Infinity, Infinity, Infinity); - ctx.transform(Infinity, Infinity, Infinity, Infinity, 0, Infinity); - ctx.transform(Infinity, Infinity, Infinity, 0, Infinity, 0); - ctx.transform(Infinity, Infinity, Infinity, 0, Infinity, Infinity); - ctx.transform(Infinity, Infinity, Infinity, 0, 0, Infinity); - ctx.transform(Infinity, Infinity, 0, Infinity, 0, 0); - ctx.transform(Infinity, Infinity, 0, Infinity, Infinity, 0); - ctx.transform(Infinity, Infinity, 0, Infinity, Infinity, Infinity); - ctx.transform(Infinity, Infinity, 0, Infinity, 0, Infinity); - ctx.transform(Infinity, Infinity, 0, 0, Infinity, 0); - ctx.transform(Infinity, Infinity, 0, 0, Infinity, Infinity); - ctx.transform(Infinity, Infinity, 0, 0, 0, Infinity); - ctx.transform(Infinity, 0, Infinity, 0, 0, 0); - ctx.transform(Infinity, 0, Infinity, Infinity, 0, 0); - ctx.transform(Infinity, 0, Infinity, Infinity, Infinity, 0); - ctx.transform(Infinity, 0, Infinity, Infinity, Infinity, Infinity); - ctx.transform(Infinity, 0, Infinity, Infinity, 0, Infinity); - ctx.transform(Infinity, 0, Infinity, 0, Infinity, 0); - ctx.transform(Infinity, 0, Infinity, 0, Infinity, 0); - ctx.transform(Infinity, 0, Infinity, 0, Infinity, Infinity); - ctx.transform(Infinity, 0, Infinity, 0, 0, Infinity); - ctx.transform(Infinity, 0, 0, Infinity, 0, 0); - ctx.transform(Infinity, 0, 0, Infinity, Infinity, 0); - ctx.transform(Infinity, 0, 0, Infinity, Infinity, Infinity); - ctx.transform(Infinity, 0, 0, Infinity, 0, Infinity); - ctx.transform(Infinity, 0, 0, 0, Infinity, 0); - ctx.transform(Infinity, 0, 0, 0, Infinity, Infinity); - ctx.transform(Infinity, 0, 0, 0, 0, Infinity); - ctx.transform(0, Infinity, Infinity, 0, 0, 0); - ctx.transform(0, Infinity, Infinity, Infinity, 0, 0); - ctx.transform(0, Infinity, Infinity, Infinity, Infinity, 0); - ctx.transform(0, Infinity, Infinity, Infinity, Infinity, Infinity); - ctx.transform(0, Infinity, Infinity, Infinity, 0, Infinity); - ctx.transform(0, Infinity, Infinity, 0, Infinity, 0); - ctx.transform(0, Infinity, Infinity, 0, Infinity, Infinity); - ctx.transform(0, Infinity, Infinity, 0, 0, Infinity); - ctx.transform(0, Infinity, 0, Infinity, 0, 0); - ctx.transform(0, Infinity, 0, Infinity, Infinity, 0); - ctx.transform(0, Infinity, 0, Infinity, Infinity, Infinity); - ctx.transform(0, Infinity, 0, Infinity, 0, Infinity); - ctx.transform(0, Infinity, 0, 0, Infinity, 0); - ctx.transform(0, Infinity, 0, 0, Infinity, Infinity); - ctx.transform(0, Infinity, 0, 0, 0, Infinity); - ctx.transform(0, 0, Infinity, Infinity, 0, 0); - ctx.transform(0, 0, Infinity, Infinity, Infinity, 0); - ctx.transform(0, 0, Infinity, Infinity, Infinity, Infinity); - ctx.transform(0, 0, Infinity, Infinity, 0, Infinity); - ctx.transform(0, 0, Infinity, 0, Infinity, 0); - ctx.transform(0, 0, Infinity, 0, Infinity, Infinity); - ctx.transform(0, 0, Infinity, 0, 0, Infinity); - ctx.transform(0, 0, 0, Infinity, Infinity, 0); - ctx.transform(0, 0, 0, Infinity, Infinity, Infinity); - ctx.transform(0, 0, 0, Infinity, 0, Infinity); - ctx.transform(0, 0, 0, 0, Infinity, Infinity); - - ctx.fillStyle = '#0f0'; - ctx.fillRect(-100, -10, 100, 50); - - verify(Helper.comparePixel(ctx, 50,25, 0,255,0,255)); - ctx.reset(); - - // Create green with a red square ring inside it - ctx.fillStyle = '#0f0'; - ctx.fillRect(0, 0, 100, 50); - ctx.fillStyle = '#f00'; - ctx.fillRect(20, 10, 60, 30); - ctx.fillStyle = '#0f0'; - ctx.fillRect(40, 20, 20, 10); - - // Draw a skewed shape to fill that gap, to make sure it is aligned correctly - ctx.transform(1,4, 2,3, 5,6); - // Post-transform coordinates: - // [[20,10],[80,10],[80,40],[20,40],[20,10],[40,20],[40,30],[60,30],[60,20],[40,20],[20,10]]; - // Hence pre-transform coordinates: - var pts=[[-7.4,11.2],[-43.4,59.2],[-31.4,53.2],[4.6,5.2],[-7.4,11.2], - [-15.4,25.2],[-11.4,23.2],[-23.4,39.2],[-27.4,41.2],[-15.4,25.2], - [-7.4,11.2]]; - ctx.beginPath(); - ctx.moveTo(pts[0][0], pts[0][1]); - for (var i = 0; i < pts.length; ++i) - ctx.lineTo(pts[i][0], pts[i][1]); - ctx.fill(); - /* - //FIXME: - verify(Helper.comparePixel(ctx, 21,11, 0,255,0,255)); - verify(Helper.comparePixel(ctx, 79,11, 0,255,0,255)); - verify(Helper.comparePixel(ctx, 21,39, 0,255,0,255)); - verify(Helper.comparePixel(ctx, 79,39, 0,255,0,255)); - verify(Helper.comparePixel(ctx, 39,19, 0,255,0,255)); - verify(Helper.comparePixel(ctx, 61,19, 0,255,0,255)); - verify(Helper.comparePixel(ctx, 39,31, 0,255,0,255)); - verify(Helper.comparePixel(ctx, 61,31, 0,255,0,255)); - */ - } - function test_translate() { - var ctx = canvas.getContext('2d'); - ctx.reset(); - ctx.fillStyle = '#f00'; - ctx.fillRect(0, 0, 100, 50); - - ctx.translate(100, 50); - ctx.fillStyle = '#0f0'; - ctx.fillRect(-100, -50, 100, 50); - verify(Helper.comparePixel(ctx, 90,40, 0,255,0,255)); - ctx.reset(); - - ctx.fillStyle = '#f00'; - ctx.fillRect(0, 0, 100, 50); - - ctx.translate(100, 10); - ctx.translate(Infinity, 0.1); - ctx.translate(-Infinity, 0.1); - ctx.translate(NaN, 0.1); - ctx.translate(0.1, Infinity); - ctx.translate(0.1, -Infinity); - ctx.translate(0.1, NaN); - ctx.translate(Infinity, Infinity); - - ctx.fillStyle = '#0f0'; - ctx.fillRect(-100, -10, 100, 50); - - verify(Helper.comparePixel(ctx, 50,25, 0,255,0,255)); - - - } + +CanvasTestCase { + id:testCase + name: "transform" + function init_data() { return testData("2d"); } + function test_order(row) { + var canvas = createCanvasObject(row); + var ctx = canvas.getContext('2d'); + ctx.reset(); + ctx.fillStyle = '#f00'; + ctx.fillRect(0, 0, 100, 50); + + ctx.scale(2, 1); + ctx.rotate(Math.PI / 2); + ctx.fillStyle = '#0f0'; + ctx.fillRect(0, -50, 50, 50); + comparePixel(ctx, 75,25, 0,255,0,255); + canvas.destroy() + } + function test_rotate(row) { + var canvas = createCanvasObject(row); + var ctx = canvas.getContext('2d'); + ctx.reset(); + ctx.fillStyle = '#f00'; + ctx.fillRect(0, 0, 100, 50); + + ctx.rotate(Math.PI / 2); + ctx.fillStyle = '#0f0'; + ctx.fillRect(0, -100, 50, 100); + comparePixel(ctx, 50,25, 0,255,0,255); + ctx.reset(); + + ctx.fillStyle = '#f00'; + ctx.fillRect(0, 0, 100, 50); + + ctx.translate(100, 10); + ctx.rotate(Infinity); + ctx.rotate(-Infinity); + ctx.rotate(NaN); + + ctx.fillStyle = '#0f0'; + ctx.fillRect(-100, -10, 100, 50); + + comparePixel(ctx, 50,25, 0,255,0,255); + ctx.reset(); + + ctx.fillStyle = '#f00'; + ctx.fillRect(0, 0, 100, 50); + + ctx.rotate(Math.PI); // should fail obviously if this is 3.1 degrees + ctx.fillStyle = '#0f0'; + ctx.fillRect(-100, -50, 100, 50); + comparePixel(ctx, 50,25, 0,255,0,255); + ctx.reset(); + + ctx.fillStyle = '#f00'; + ctx.fillRect(0, 0, 100, 50); + + ctx.rotate(Math.PI * (1 + 4096)); // == pi (mod 2*pi) + // We need about pi +/- 0.001 in order to get correct-looking results + // 32-bit floats can store pi*4097 with precision 2^-10, so that should + // be safe enough on reasonable implementations + ctx.fillStyle = '#0f0'; + ctx.fillRect(-100, -50, 100, 50); + comparePixel(ctx, 50,25, 0,255,0,255); + comparePixel(ctx, 98,2, 0,255,0,255); + comparePixel(ctx, 98,47, 0,255,0,255); + ctx.reset(); + + ctx.fillStyle = '#f00'; + ctx.fillRect(0, 0, 100, 50); + + ctx.rotate(-Math.PI * (1 + 4096)); + ctx.fillStyle = '#0f0'; + ctx.fillRect(-100, -50, 100, 50); + comparePixel(ctx, 50,25, 0,255,0,255); + comparePixel(ctx, 98,2, 0,255,0,255); + comparePixel(ctx, 98,47, 0,255,0,255); + ctx.reset(); + + ctx.fillStyle = '#f00'; + ctx.fillRect(0, 0, 100, 50); + + ctx.rotate(0); + ctx.fillStyle = '#0f0'; + ctx.fillRect(0, 0, 100, 50); + comparePixel(ctx, 50,25, 0,255,0,255); + canvas.destroy() + } + function test_scale(row) { + var canvas = createCanvasObject(row); + var ctx = canvas.getContext('2d'); + ctx.reset(); + + ctx.fillStyle = '#f00'; + ctx.fillRect(0, 0, 100, 50); + + ctx.scale(2, 4); + ctx.fillStyle = '#0f0'; + ctx.fillRect(0, 0, 50, 12.5); + comparePixel(ctx, 90,40, 0,255,0,255); + ctx.reset(); + + ctx.fillStyle = '#f00'; + ctx.fillRect(0, 0, 100, 50); + + ctx.scale(1e5, 1e5); + ctx.fillStyle = '#0f0'; + ctx.fillRect(0, 0, 1, 1); + comparePixel(ctx, 50,25, 0,255,0,255); + ctx.reset(); + + ctx.fillStyle = '#f00'; + ctx.fillRect(0, 0, 100, 50); + + ctx.scale(Math.sqrt(2), Math.sqrt(2)); + ctx.scale(Math.sqrt(2), Math.sqrt(2)); + ctx.fillStyle = '#0f0'; + ctx.fillRect(0, 0, 50, 25); + comparePixel(ctx, 90,40, 0,255,0,255); + ctx.reset(); + + ctx.fillStyle = '#f00'; + ctx.fillRect(0, 0, 100, 50); + + ctx.save(); + ctx.scale(-1, 1); + ctx.fillStyle = '#0f0'; + ctx.fillRect(-50, 0, 50, 50); + ctx.restore(); + + ctx.save(); + ctx.scale(1, -1); + ctx.fillStyle = '#0f0'; + ctx.fillRect(50, -50, 50, 50); + ctx.restore(); + comparePixel(ctx, 25,25, 0,255,0,255); + comparePixel(ctx, 75,25, 0,255,0,255); + ctx.reset(); + + ctx.fillStyle = '#f00'; + ctx.fillRect(0, 0, 100, 50); + + ctx.translate(100, 10); + ctx.scale(Infinity, 0.1); + ctx.scale(-Infinity, 0.1); + ctx.scale(NaN, 0.1); + ctx.scale(0.1, Infinity); + ctx.scale(0.1, -Infinity); + ctx.scale(0.1, NaN); + ctx.scale(Infinity, Infinity); + + ctx.fillStyle = '#0f0'; + ctx.fillRect(-100, -10, 100, 50); + + comparePixel(ctx, 50,25, 0,255,0,255); + ctx.reset(); + + ctx.fillStyle = '#0f0'; + ctx.fillRect(0, 0, 100, 50); + + ctx.save(); + ctx.translate(50, 0); + ctx.scale(0, 1); + ctx.fillStyle = '#f00'; + ctx.fillRect(0, 0, 100, 50); + ctx.restore(); + + ctx.save(); + ctx.translate(0, 25); + ctx.scale(1, 0); + ctx.fillStyle = '#f00'; + ctx.fillRect(0, 0, 100, 50); + ctx.restore(); + + // Firefox has a bug where it renders the canvas as empty and toDataURL throws an exception + canvas.toDataURL(); + + comparePixel(ctx, 50,25, 0,255,0,255); + canvas.destroy() } + function test_setTransform(row) { + var canvas = createCanvasObject(row); + var ctx = canvas.getContext('2d'); + ctx.reset(); + ctx.fillStyle = '#f00'; + ctx.fillRect(0, 0, 100, 50); + + ctx.setTransform(1/2,0, 0,1/2, 0,0); + ctx.setTransform(2,0, 0,2, 0,0); + ctx.fillStyle = '#0f0'; + ctx.fillRect(0, 0, 50, 25); + comparePixel(ctx, 75,35, 0,255,0,255); + ctx.reset(); + + ctx.fillStyle = '#f00'; + ctx.fillRect(0, 0, 100, 50); + + ctx.translate(100, 10); + ctx.setTransform(Infinity, 0, 0, 0, 0, 0); + ctx.setTransform(-Infinity, 0, 0, 0, 0, 0); + ctx.setTransform(NaN, 0, 0, 0, 0, 0); + ctx.setTransform(0, Infinity, 0, 0, 0, 0); + ctx.setTransform(0, -Infinity, 0, 0, 0, 0); + ctx.setTransform(0, NaN, 0, 0, 0, 0); + ctx.setTransform(0, 0, Infinity, 0, 0, 0); + ctx.setTransform(0, 0, -Infinity, 0, 0, 0); + ctx.setTransform(0, 0, NaN, 0, 0, 0); + ctx.setTransform(0, 0, 0, Infinity, 0, 0); + ctx.setTransform(0, 0, 0, -Infinity, 0, 0); + ctx.setTransform(0, 0, 0, NaN, 0, 0); + ctx.setTransform(0, 0, 0, 0, Infinity, 0); + ctx.setTransform(0, 0, 0, 0, -Infinity, 0); + ctx.setTransform(0, 0, 0, 0, NaN, 0); + ctx.setTransform(0, 0, 0, 0, 0, Infinity); + ctx.setTransform(0, 0, 0, 0, 0, -Infinity); + ctx.setTransform(0, 0, 0, 0, 0, NaN); + ctx.setTransform(Infinity, Infinity, 0, 0, 0, 0); + ctx.setTransform(Infinity, Infinity, Infinity, 0, 0, 0); + ctx.setTransform(Infinity, Infinity, Infinity, Infinity, 0, 0); + ctx.setTransform(Infinity, Infinity, Infinity, Infinity, Infinity, 0); + ctx.setTransform(Infinity, Infinity, Infinity, Infinity, Infinity, Infinity); + ctx.setTransform(Infinity, Infinity, Infinity, Infinity, 0, Infinity); + ctx.setTransform(Infinity, Infinity, Infinity, 0, Infinity, 0); + ctx.setTransform(Infinity, Infinity, Infinity, 0, Infinity, Infinity); + ctx.setTransform(Infinity, Infinity, Infinity, 0, 0, Infinity); + ctx.setTransform(Infinity, Infinity, 0, Infinity, 0, 0); + ctx.setTransform(Infinity, Infinity, 0, Infinity, Infinity, 0); + ctx.setTransform(Infinity, Infinity, 0, Infinity, Infinity, Infinity); + ctx.setTransform(Infinity, Infinity, 0, Infinity, 0, Infinity); + ctx.setTransform(Infinity, Infinity, 0, 0, Infinity, 0); + ctx.setTransform(Infinity, Infinity, 0, 0, Infinity, Infinity); + ctx.setTransform(Infinity, Infinity, 0, 0, 0, Infinity); + ctx.setTransform(Infinity, 0, Infinity, 0, 0, 0); + ctx.setTransform(Infinity, 0, Infinity, Infinity, 0, 0); + ctx.setTransform(Infinity, 0, Infinity, Infinity, Infinity, 0); + ctx.setTransform(Infinity, 0, Infinity, Infinity, Infinity, Infinity); + ctx.setTransform(Infinity, 0, Infinity, Infinity, 0, Infinity); + ctx.setTransform(Infinity, 0, Infinity, 0, Infinity, 0); + ctx.setTransform(Infinity, 0, Infinity, 0, Infinity, Infinity); + ctx.setTransform(Infinity, 0, Infinity, 0, 0, Infinity); + ctx.setTransform(Infinity, 0, 0, Infinity, 0, 0); + ctx.setTransform(Infinity, 0, 0, Infinity, Infinity, 0); + ctx.setTransform(Infinity, 0, 0, Infinity, Infinity, Infinity); + ctx.setTransform(Infinity, 0, 0, Infinity, 0, Infinity); + ctx.setTransform(Infinity, 0, 0, 0, Infinity, 0); + ctx.setTransform(Infinity, 0, 0, 0, Infinity, Infinity); + ctx.setTransform(Infinity, 0, 0, 0, 0, Infinity); + ctx.setTransform(0, Infinity, Infinity, 0, 0, 0); + ctx.setTransform(0, Infinity, Infinity, Infinity, 0, 0); + ctx.setTransform(0, Infinity, Infinity, Infinity, Infinity, 0); + ctx.setTransform(0, Infinity, Infinity, Infinity, Infinity, Infinity); + ctx.setTransform(0, Infinity, Infinity, Infinity, 0, Infinity); + ctx.setTransform(0, Infinity, Infinity, 0, Infinity, 0); + ctx.setTransform(0, Infinity, Infinity, 0, Infinity, Infinity); + ctx.setTransform(0, Infinity, Infinity, 0, 0, Infinity); + ctx.setTransform(0, Infinity, 0, Infinity, 0, 0); + ctx.setTransform(0, Infinity, 0, Infinity, Infinity, 0); + ctx.setTransform(0, Infinity, 0, Infinity, Infinity, Infinity); + ctx.setTransform(0, Infinity, 0, Infinity, 0, Infinity); + ctx.setTransform(0, Infinity, 0, 0, Infinity, 0); + ctx.setTransform(0, Infinity, 0, 0, Infinity, Infinity); + ctx.setTransform(0, Infinity, 0, 0, 0, Infinity); + ctx.setTransform(0, 0, Infinity, Infinity, 0, 0); + ctx.setTransform(0, 0, Infinity, Infinity, Infinity, 0); + ctx.setTransform(0, 0, Infinity, Infinity, Infinity, Infinity); + ctx.setTransform(0, 0, Infinity, Infinity, 0, Infinity); + ctx.setTransform(0, 0, Infinity, 0, Infinity, 0); + ctx.setTransform(0, 0, Infinity, 0, Infinity, Infinity); + ctx.setTransform(0, 0, Infinity, 0, 0, Infinity); + ctx.setTransform(0, 0, 0, Infinity, Infinity, 0); + ctx.setTransform(0, 0, 0, Infinity, Infinity, Infinity); + ctx.setTransform(0, 0, 0, Infinity, 0, Infinity); + ctx.setTransform(0, 0, 0, 0, Infinity, Infinity); + + ctx.fillStyle = '#0f0'; + ctx.fillRect(-100, -10, 100, 50); + + comparePixel(ctx, 50,25, 0,255,0,255); + ctx.reset(); + + // Create green with a red square ring inside it + ctx.fillStyle = '#0f0'; + ctx.fillRect(0, 0, 100, 50); + ctx.fillStyle = '#f00'; + ctx.fillRect(20, 10, 60, 30); + ctx.fillStyle = '#0f0'; + ctx.fillRect(40, 20, 20, 10); + + // Draw a skewed shape to fill that gap, to make sure it is aligned correctly + ctx.setTransform(1,4, 2,3, 5,6); + // Post-transform coordinates: + // [[20,10],[80,10],[80,40],[20,40],[20,10],[40,20],[40,30],[60,30],[60,20],[40,20],[20,10]]; + // Hence pre-transform coordinates: + var pts=[[-7.4,11.2],[-43.4,59.2],[-31.4,53.2],[4.6,5.2],[-7.4,11.2], + [-15.4,25.2],[-11.4,23.2],[-23.4,39.2],[-27.4,41.2],[-15.4,25.2], + [-7.4,11.2]]; + ctx.beginPath(); + ctx.moveTo(pts[0][0], pts[0][1]); + for (var i = 0; i < pts.length; ++i) + ctx.lineTo(pts[i][0], pts[i][1]); + ctx.fill(); + /* + //FIXME: + comparePixel(ctx, 21,11, 0,255,0,255); + comparePixel(ctx, 79,11, 0,255,0,255); + comparePixel(ctx, 21,39, 0,255,0,255); + comparePixel(ctx, 79,39, 0,255,0,255); + comparePixel(ctx, 39,19, 0,255,0,255); + comparePixel(ctx, 61,19, 0,255,0,255); + comparePixel(ctx, 39,31, 0,255,0,255); + comparePixel(ctx, 61,31, 0,255,0,255); + */ + ctx.reset(); + + ctx.fillStyle = '#f00'; + ctx.fillRect(0, 0, 100, 50); + + ctx.transform(1,0, 0,1, 0,0); + ctx.fillStyle = '#0f0'; + ctx.fillRect(0, 0, 100, 50); + comparePixel(ctx, 50,25, 0,255,0,255); + canvas.destroy() + } + function test_transform(row) { + var canvas = createCanvasObject(row); + var ctx = canvas.getContext('2d'); + ctx.reset(); + ctx.fillStyle = '#f00'; + ctx.fillRect(0, 0, 100, 50); + + ctx.transform(1,2, 3,4, 5,6); + ctx.transform(-2,1, 3/2,-1/2, 1,-2); + ctx.fillStyle = '#0f0'; + ctx.fillRect(0, 0, 100, 50); + comparePixel(ctx, 50,25, 0,255,0,255); + ctx.reset(); + + ctx.fillStyle = '#f00'; + ctx.fillRect(0, 0, 100, 50); + + ctx.translate(100, 10); + ctx.transform(Infinity, 0, 0, 0, 0, 0); + ctx.transform(-Infinity, 0, 0, 0, 0, 0); + ctx.transform(NaN, 0, 0, 0, 0, 0); + ctx.transform(0, Infinity, 0, 0, 0, 0); + ctx.transform(0, -Infinity, 0, 0, 0, 0); + ctx.transform(0, NaN, 0, 0, 0, 0); + ctx.transform(0, 0, Infinity, 0, 0, 0); + ctx.transform(0, 0, -Infinity, 0, 0, 0); + ctx.transform(0, 0, NaN, 0, 0, 0); + ctx.transform(0, 0, 0, Infinity, 0, 0); + ctx.transform(0, 0, 0, -Infinity, 0, 0); + ctx.transform(0, 0, 0, NaN, 0, 0); + ctx.transform(0, 0, 0, 0, Infinity, 0); + ctx.transform(0, 0, 0, 0, -Infinity, 0); + ctx.transform(0, 0, 0, 0, NaN, 0); + ctx.transform(0, 0, 0, 0, 0, Infinity); + ctx.transform(0, 0, 0, 0, 0, -Infinity); + ctx.transform(0, 0, 0, 0, 0, NaN); + ctx.transform(Infinity, Infinity, 0, 0, 0, 0); + ctx.transform(Infinity, Infinity, Infinity, 0, 0, 0); + ctx.transform(Infinity, Infinity, Infinity, Infinity, 0, 0); + ctx.transform(Infinity, Infinity, Infinity, Infinity, Infinity, 0); + ctx.transform(Infinity, Infinity, Infinity, Infinity, Infinity, Infinity); + ctx.transform(Infinity, Infinity, Infinity, Infinity, 0, Infinity); + ctx.transform(Infinity, Infinity, Infinity, 0, Infinity, 0); + ctx.transform(Infinity, Infinity, Infinity, 0, Infinity, Infinity); + ctx.transform(Infinity, Infinity, Infinity, 0, 0, Infinity); + ctx.transform(Infinity, Infinity, 0, Infinity, 0, 0); + ctx.transform(Infinity, Infinity, 0, Infinity, Infinity, 0); + ctx.transform(Infinity, Infinity, 0, Infinity, Infinity, Infinity); + ctx.transform(Infinity, Infinity, 0, Infinity, 0, Infinity); + ctx.transform(Infinity, Infinity, 0, 0, Infinity, 0); + ctx.transform(Infinity, Infinity, 0, 0, Infinity, Infinity); + ctx.transform(Infinity, Infinity, 0, 0, 0, Infinity); + ctx.transform(Infinity, 0, Infinity, 0, 0, 0); + ctx.transform(Infinity, 0, Infinity, Infinity, 0, 0); + ctx.transform(Infinity, 0, Infinity, Infinity, Infinity, 0); + ctx.transform(Infinity, 0, Infinity, Infinity, Infinity, Infinity); + ctx.transform(Infinity, 0, Infinity, Infinity, 0, Infinity); + ctx.transform(Infinity, 0, Infinity, 0, Infinity, 0); + ctx.transform(Infinity, 0, Infinity, 0, Infinity, 0); + ctx.transform(Infinity, 0, Infinity, 0, Infinity, Infinity); + ctx.transform(Infinity, 0, Infinity, 0, 0, Infinity); + ctx.transform(Infinity, 0, 0, Infinity, 0, 0); + ctx.transform(Infinity, 0, 0, Infinity, Infinity, 0); + ctx.transform(Infinity, 0, 0, Infinity, Infinity, Infinity); + ctx.transform(Infinity, 0, 0, Infinity, 0, Infinity); + ctx.transform(Infinity, 0, 0, 0, Infinity, 0); + ctx.transform(Infinity, 0, 0, 0, Infinity, Infinity); + ctx.transform(Infinity, 0, 0, 0, 0, Infinity); + ctx.transform(0, Infinity, Infinity, 0, 0, 0); + ctx.transform(0, Infinity, Infinity, Infinity, 0, 0); + ctx.transform(0, Infinity, Infinity, Infinity, Infinity, 0); + ctx.transform(0, Infinity, Infinity, Infinity, Infinity, Infinity); + ctx.transform(0, Infinity, Infinity, Infinity, 0, Infinity); + ctx.transform(0, Infinity, Infinity, 0, Infinity, 0); + ctx.transform(0, Infinity, Infinity, 0, Infinity, Infinity); + ctx.transform(0, Infinity, Infinity, 0, 0, Infinity); + ctx.transform(0, Infinity, 0, Infinity, 0, 0); + ctx.transform(0, Infinity, 0, Infinity, Infinity, 0); + ctx.transform(0, Infinity, 0, Infinity, Infinity, Infinity); + ctx.transform(0, Infinity, 0, Infinity, 0, Infinity); + ctx.transform(0, Infinity, 0, 0, Infinity, 0); + ctx.transform(0, Infinity, 0, 0, Infinity, Infinity); + ctx.transform(0, Infinity, 0, 0, 0, Infinity); + ctx.transform(0, 0, Infinity, Infinity, 0, 0); + ctx.transform(0, 0, Infinity, Infinity, Infinity, 0); + ctx.transform(0, 0, Infinity, Infinity, Infinity, Infinity); + ctx.transform(0, 0, Infinity, Infinity, 0, Infinity); + ctx.transform(0, 0, Infinity, 0, Infinity, 0); + ctx.transform(0, 0, Infinity, 0, Infinity, Infinity); + ctx.transform(0, 0, Infinity, 0, 0, Infinity); + ctx.transform(0, 0, 0, Infinity, Infinity, 0); + ctx.transform(0, 0, 0, Infinity, Infinity, Infinity); + ctx.transform(0, 0, 0, Infinity, 0, Infinity); + ctx.transform(0, 0, 0, 0, Infinity, Infinity); + + ctx.fillStyle = '#0f0'; + ctx.fillRect(-100, -10, 100, 50); + + comparePixel(ctx, 50,25, 0,255,0,255); + ctx.reset(); + + // Create green with a red square ring inside it + ctx.fillStyle = '#0f0'; + ctx.fillRect(0, 0, 100, 50); + ctx.fillStyle = '#f00'; + ctx.fillRect(20, 10, 60, 30); + ctx.fillStyle = '#0f0'; + ctx.fillRect(40, 20, 20, 10); + + // Draw a skewed shape to fill that gap, to make sure it is aligned correctly + ctx.transform(1,4, 2,3, 5,6); + // Post-transform coordinates: + // [[20,10],[80,10],[80,40],[20,40],[20,10],[40,20],[40,30],[60,30],[60,20],[40,20],[20,10]]; + // Hence pre-transform coordinates: + var pts=[[-7.4,11.2],[-43.4,59.2],[-31.4,53.2],[4.6,5.2],[-7.4,11.2], + [-15.4,25.2],[-11.4,23.2],[-23.4,39.2],[-27.4,41.2],[-15.4,25.2], + [-7.4,11.2]]; + ctx.beginPath(); + ctx.moveTo(pts[0][0], pts[0][1]); + for (var i = 0; i < pts.length; ++i) + ctx.lineTo(pts[i][0], pts[i][1]); + ctx.fill(); + /* + //FIXME: + comparePixel(ctx, 21,11, 0,255,0,255); + comparePixel(ctx, 79,11, 0,255,0,255); + comparePixel(ctx, 21,39, 0,255,0,255); + comparePixel(ctx, 79,39, 0,255,0,255); + comparePixel(ctx, 39,19, 0,255,0,255); + comparePixel(ctx, 61,19, 0,255,0,255); + comparePixel(ctx, 39,31, 0,255,0,255); + comparePixel(ctx, 61,31, 0,255,0,255); + */ + canvas.destroy() + } + function test_translate(row) { + var canvas = createCanvasObject(row); + var ctx = canvas.getContext('2d'); + ctx.reset(); + ctx.fillStyle = '#f00'; + ctx.fillRect(0, 0, 100, 50); + + ctx.translate(100, 50); + ctx.fillStyle = '#0f0'; + ctx.fillRect(-100, -50, 100, 50); + comparePixel(ctx, 90,40, 0,255,0,255); + ctx.reset(); + + ctx.fillStyle = '#f00'; + ctx.fillRect(0, 0, 100, 50); + + ctx.translate(100, 10); + ctx.translate(Infinity, 0.1); + ctx.translate(-Infinity, 0.1); + ctx.translate(NaN, 0.1); + ctx.translate(0.1, Infinity); + ctx.translate(0.1, -Infinity); + ctx.translate(0.1, NaN); + ctx.translate(Infinity, Infinity); + + ctx.fillStyle = '#0f0'; + ctx.fillRect(-100, -10, 100, 50); + + comparePixel(ctx, 50,25, 0,255,0,255); + canvas.destroy() + } } |