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import QtQuick 2.0
CanvasTestCase {
id:testCase
name: "canvas"
function init_data() { return testData("2d"); }
function test_canvasSize(row) {
var c = createCanvasObject(row);
verify(c);
var ctx = c.getContext("2d");
verify(ctx);
tryCompare(c, "availableChangedCount", 1);
//by default canvasSize is same with canvas' actual size
// when canvas size changes, canvasSize should be changed as well.
compare(c.canvasSize.width, c.width);
compare(c.canvasSize.height, c.height);
c.width = 20;
compare(c.canvasSize.width, 20);
compare(c.canvasSizeChangedCount, 1);
c.height = 5;
compare(c.canvasSizeChangedCount, 2);
compare(c.canvasSize.height, 5);
//change canvasSize manually, then canvasSize detaches from canvas
//actual size.
c.canvasSize.width = 100;
compare(c.canvasSizeChangedCount, 3);
compare(c.canvasSize.width, 100);
compare(c.width, 20);
c.canvasSize.height = 50;
compare(c.canvasSizeChangedCount, 4);
compare(c.canvasSize.height, 50);
compare(c.height, 5);
c.width = 10;
compare(c.canvasSizeChangedCount, 4);
compare(c.canvasSize.width, 100);
compare(c.canvasSize.height, 50);
c.height = 10;
compare(c.canvasSizeChangedCount, 4);
compare(c.canvasSize.width, 100);
compare(c.canvasSize.height, 50);
c.destroy();
}
function test_tileSize(row) {
var c = createCanvasObject(row);
verify(c);
var ctx = c.getContext("2d");
verify(ctx);
tryCompare(c, "availableChangedCount", 1);
compare(c.tileSize.width, c.width);
compare(c.tileSize.height, c.height);
c.width = 20;
compare(c.tileSize.width, 20);
compare(c.tileSizeChangedCount, 1);
c.height = 5;
compare(c.tileSizeChangedCount, 2);
compare(c.tileSize.height, 5);
c.tileSize.width = 100;
compare(c.tileSizeChangedCount, 3);
compare(c.tileSize.width, 100);
compare(c.width, 20);
c.tileSize.height = 50;
compare(c.tileSizeChangedCount, 4);
compare(c.tileSize.height, 50);
compare(c.height, 5);
c.width = 10;
compare(c.tileSizeChangedCount, 4);
compare(c.tileSize.width, 100);
compare(c.tileSize.height, 50);
c.height = 10;
compare(c.tileSizeChangedCount, 4);
compare(c.tileSize.width, 100);
compare(c.tileSize.height, 50);
c.destroy();
}
function test_canvasWindow(row) {
var c = createCanvasObject(row);
verify(c);
var ctx = c.getContext("2d");
verify(ctx);
tryCompare(c, "availableChangedCount", 1);
compare(c.canvasWindow.x, 0);
compare(c.canvasWindow.y, 0);
compare(c.canvasWindow.width, c.width);
compare(c.canvasWindow.height, c.height);
c.width = 20;
compare(c.canvasWindow.width, 20);
compare(c.canvasWindowChangedCount, 1);
c.height = 5;
compare(c.canvasWindowChangedCount, 2);
compare(c.canvasWindow.height, 5);
c.canvasWindow.x = 5;
c.canvasWindow.y = 6;
c.canvasWindow.width = 10;
c.canvasWindow.height =20;
compare(c.canvasWindowChangedCount, 6);
compare(c.canvasWindow.width, 10);
compare(c.canvasWindow.height, 20);
compare(c.canvasWindow.x, 5);
compare(c.canvasWindow.y, 6);
c.destroy();
}
function test_save(row) {
var c = createCanvasObject(row);
verify(c);
var ctx = c.getContext("2d");
tryCompare(c, "availableChangedCount", 1);
c.requestPaint();
verify(c.save("c.png"));
c.loadImage("c.png");
wait(200);
verify(c.isImageLoaded("c.png"));
verify(!c.isImageLoading("c.png"));
verify(!c.isImageError("c.png"));
c.destroy();
}
function test_toDataURL(row) {
var c = createCanvasObject(row);
verify(c);
var ctx = c.getContext("2d");
verify(ctx);
tryCompare(c, "availableChangedCount", 1);
var imageTypes = [
{mimeType:"image/png"},
{mimeType:"image/bmp"},
{mimeType:"image/jpeg"},
{mimeType:"image/x-portable-pixmap"},
//{mimeType:"image/tiff"}, QTBUG-23980
{mimeType:"image/xpm"},
];
for (var i = 0; i < imageTypes.length; i++) {
ctx.fillStyle = "red";
ctx.fillRect(0, 0, c.width, c.height);
var dataUrl = c.toDataURL();
verify(dataUrl !== "data:,");
dataUrl = c.toDataURL("image/invalid");
verify(dataUrl === "data:,");
dataUrl = c.toDataURL(imageTypes[i].mimeType);
verify(dataUrl !== "data:,");
ctx.save();
ctx.fillStyle = "blue";
ctx.fillRect(0, 0, c.width, c.height);
ctx.restore();
var dataUrl2 = c.toDataURL(imageTypes[i].mimeType);
verify (dataUrl2 !== "data:,");
verify (dataUrl2 !== dataUrl);
}
c.destroy();
}
function test_paint(row) {
var c = createCanvasObject(row);
verify(c);
var ctx = c.getContext("2d");
tryCompare(c, "availableChangedCount", 1);
//scene graph could be available immediately
//in this case, we force waiting a short while until the init paint finished
tryCompare(c, "paintedCount", 1);
ctx.fillRect(0, 0, c.width, c.height);
c.toDataURL();
tryCompare(c, "paintedCount", 2);
tryCompare(c, "paintCount", 1);
// implicit repaint when visible and resized
testCase.visible = true;
c.width += 1;
c.height += 1;
tryCompare(c, "paintCount", 2);
tryCompare(c, "paintedCount", 2);
// allow explicit repaint even when hidden
testCase.visible = false;
c.requestPaint();
tryCompare(c, "paintCount", 3);
tryCompare(c, "paintedCount", 2);
// no implicit repaint when resized but hidden
c.width += 1;
c.height += 1;
waitForRendering(c);
compare(c.paintCount, 3);
tryCompare(c, "paintedCount", 2);
c.destroy();
}
function test_loadImage(row) {
var c = createCanvasObject(row);
verify(c);
var ctx = c.getContext("2d");
verify(ctx);
tryCompare(c, "availableChangedCount", 1);
verify(!c.isImageLoaded("red.png"));
c.loadImage("red.png");
wait(200);
verify(c.isImageLoaded("red.png"));
verify(!c.isImageLoading("red.png"));
verify(!c.isImageError("red.png"));
c.unloadImage("red.png");
verify(!c.isImageLoaded("red.png"));
verify(!c.isImageLoading("red.png"));
verify(!c.isImageError("red.png"));
c.destroy();
}
function test_getContext(row) {
var c = createCanvasObject(row);
verify(c);
var ctx = c.getContext("2d");
verify(ctx);
tryCompare(c, "availableChangedCount", 1);
compare(ctx.canvas, c);
ctx = c.getContext('2d');
verify(ctx);
compare(ctx.canvas, c);
ctx = c.getContext('2D');
verify(ctx);
compare(ctx.canvas, c);
ignoreWarning(Qt.resolvedUrl("CanvasComponent.qml") + ":6:9: QML Canvas: Canvas already initialized with a different context type");
ctx = c.getContext('invalid');
verify(!ctx);
c.destroy();
}
}
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