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-rw-r--r--tests/auto/qtquick2/qquickcanvasitem/data/tst_transform.qml487
1 files changed, 487 insertions, 0 deletions
diff --git a/tests/auto/qtquick2/qquickcanvasitem/data/tst_transform.qml b/tests/auto/qtquick2/qquickcanvasitem/data/tst_transform.qml
new file mode 100644
index 0000000000..834a22f549
--- /dev/null
+++ b/tests/auto/qtquick2/qquickcanvasitem/data/tst_transform.qml
@@ -0,0 +1,487 @@
+import QtQuick 2.0
+import QtTest 1.0
+import "testhelper.js" as Helper
+Canvas {
+ id:canvas; width:100;height:50; renderTarget: Canvas.Image
+ 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));
+
+
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-01 15:42:47 +0000