qtdeclarative/tests/auto/quick/qquickcanvasitem/data/tst_state.qml

425 lines
14 KiB
QML

import QtQuick 2.0
CanvasTestCase {
id:testCase
name: "state"
function init_data() { return testData("2d"); }
function test_bitmap(row) {
var canvas = createCanvasObject(row);
tryVerify(function() { return canvas.available; });
var ctx = canvas.getContext('2d');
ctx.reset();
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.save();
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
ctx.restore();
comparePixel(ctx, 50,25, 0,255,0,255);
canvas.destroy()
}
function test_clip(row) {
var canvas = createCanvasObject(row);
tryVerify(function() { return canvas.available; });
var ctx = canvas.getContext('2d');
ctx.reset();
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.save();
ctx.rect(0, 0, 1, 1);
ctx.clip();
ctx.restore();
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
comparePixel(ctx, 50,25, 0,255,0,255);
canvas.destroy()
}
function test_fillStyle(row) {
var canvas = createCanvasObject(row);
tryVerify(function() { return canvas.available; });
var ctx = canvas.getContext('2d');
ctx.reset();
// Test that restore() undoes any modifications
var old = ctx.fillStyle;
ctx.save();
ctx.fillStyle = "#ff0000";
ctx.restore();
compare(ctx.fillStyle, old);
// Also test that save() doesn't modify the values
ctx.fillStyle = "#ff0000";
old = ctx.fillStyle;
// we're not interested in failures caused by get(set(x)) != x (e.g.
// from rounding), so compare against 'old' instead of against "#ff0000"
ctx.save();
compare(ctx.fillStyle, old);
ctx.restore();
canvas.destroy()
}
function test_font(row) {
var canvas = createCanvasObject(row);
tryVerify(function() { return canvas.available; });
var ctx = canvas.getContext('2d');
ctx.reset();
// Test that restore() undoes any modifications
var old = ctx.font;
ctx.save();
ctx.font = "25px serif";
ctx.restore();
compare(ctx.font, old);
// Also test that save() doesn't modify the values
ctx.font = "25px serif";
old = ctx.font;
// we're not interested in failures caused by get(set(x)) != x (e.g.
// from rounding), so compare against 'old' instead of against "25px serif"
ctx.save();
compare(ctx.font, old);
ctx.restore();
canvas.destroy()
}
function test_globalAlpha(row) {
var canvas = createCanvasObject(row);
tryVerify(function() { return canvas.available; });
var ctx = canvas.getContext('2d');
ctx.reset();
// Test that restore() undoes any modifications
var old = ctx.globalAlpha;
ctx.save();
ctx.globalAlpha = 0.5;
ctx.restore();
compare(ctx.globalAlpha, old);
// Also test that save() doesn't modify the values
ctx.globalAlpha = 0.5;
old = ctx.globalAlpha;
// we're not interested in failures caused by get(set(x)) != x (e.g.
// from rounding), so compare against 'old' instead of against 0.5
ctx.save();
compare(ctx.globalAlpha, old);
ctx.restore();
canvas.destroy()
}
function test_globalCompositeOperation(row) {
var canvas = createCanvasObject(row);
tryVerify(function() { return canvas.available; });
var ctx = canvas.getContext('2d');
ctx.reset();
// Test that restore() undoes any modifications
var old = ctx.globalCompositeOperation;
ctx.save();
ctx.globalCompositeOperation = "copy";
ctx.restore();
compare(ctx.globalCompositeOperation, old);
// Also test that save() doesn't modify the values
ctx.globalCompositeOperation = "copy";
old = ctx.globalCompositeOperation;
// we're not interested in failures caused by get(set(x)) != x (e.g.
// from rounding), so compare against 'old' instead of against "copy"
ctx.save();
compare(ctx.globalCompositeOperation, old);
ctx.restore();
canvas.destroy()
}
function test_lineCap(row) {
var canvas = createCanvasObject(row);
tryVerify(function() { return canvas.available; });
var ctx = canvas.getContext('2d');
ctx.reset();
// Test that restore() undoes any modifications
var old = ctx.lineCap;
ctx.save();
ctx.lineCap = "round";
ctx.restore();
compare(ctx.lineCap, old);
// Also test that save() doesn't modify the values
ctx.lineCap = "round";
old = ctx.lineCap;
// we're not interested in failures caused by get(set(x)) != x (e.g.
// from rounding), so compare against 'old' instead of against "round"
ctx.save();
compare(ctx.lineCap, old);
ctx.restore();
canvas.destroy()
}
function test_lineJoin(row) {
var canvas = createCanvasObject(row);
tryVerify(function() { return canvas.available; });
var ctx = canvas.getContext('2d');
ctx.reset();
// Test that restore() undoes any modifications
var old = ctx.lineJoin;
ctx.save();
ctx.lineJoin = "round";
ctx.restore();
compare(ctx.lineJoin, old);
// Also test that save() doesn't modify the values
ctx.lineJoin = "round";
old = ctx.lineJoin;
// we're not interested in failures caused by get(set(x)) != x (e.g.
// from rounding), so compare against 'old' instead of against "round"
ctx.save();
compare(ctx.lineJoin, old);
ctx.restore();
canvas.destroy()
}
function test_lineWidth(row) {
var canvas = createCanvasObject(row);
tryVerify(function() { return canvas.available; });
var ctx = canvas.getContext('2d');
ctx.reset();
// Test that restore() undoes any modifications
var old = ctx.lineJoin;
ctx.save();
ctx.lineJoin = "round";
ctx.restore();
compare(ctx.lineJoin, old, "ctx.lineJoin", "old");
// Also test that save() doesn't modify the values
ctx.lineJoin = "round";
old = ctx.lineJoin;
// we're not interested in failures caused by get(set(x)) != x (e.g.
// from rounding), so compare against 'old' instead of against "round"
ctx.save();
compare(ctx.lineJoin, old);
ctx.restore();
canvas.destroy()
}
function test_miterLimit(row) {
var canvas = createCanvasObject(row);
tryVerify(function() { return canvas.available; });
var ctx = canvas.getContext('2d');
ctx.reset();
// Test that restore() undoes any modifications
var old = ctx.miterLimit;
ctx.save();
ctx.miterLimit = 0.5;
ctx.restore();
compare(ctx.miterLimit, old);
// Also test that save() doesn't modify the values
ctx.miterLimit = 0.5;
old = ctx.miterLimit;
// we're not interested in failures caused by get(set(x)) != x (e.g.
// from rounding), so compare against 'old' instead of against 0.5
ctx.save();
compare(ctx.miterLimit, old);
ctx.restore();
canvas.destroy()
}
function test_path(row) {
var canvas = createCanvasObject(row);
tryVerify(function() { return canvas.available; });
var ctx = canvas.getContext('2d');
ctx.reset();
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.save();
ctx.rect(0, 0, 100, 50);
ctx.restore();
ctx.fillStyle = '#0f0';
ctx.fill();
comparePixel(ctx, 50,25, 0,255,0,255);
canvas.destroy()
}
function test_shadow(row) {
var canvas = createCanvasObject(row);
tryVerify(function() { return canvas.available; });
var ctx = canvas.getContext('2d');
ctx.reset();
// Test that restore() undoes any modifications
var old = ctx.shadowBlur;
ctx.save();
ctx.shadowBlur = 5;
ctx.restore();
compare(ctx.shadowBlur, old);
// Also test that save() doesn't modify the values
ctx.shadowBlur = 5;
old = ctx.shadowBlur;
// we're not interested in failures caused by get(set(x)) != x (e.g.
// from rounding), so compare against 'old' instead of against 5
ctx.save();
compare(ctx.shadowBlur, old);
ctx.restore();
// Test that restore() undoes any modifications
var old = ctx.shadowColor;
ctx.save();
ctx.shadowColor = "#ff0000";
ctx.restore();
compare(ctx.shadowColor, old);
// Also test that save() doesn't modify the values
ctx.shadowColor = "#ff0000";
old = ctx.shadowColor;
// we're not interested in failures caused by get(set(x)) != x (e.g.
// from rounding), so compare against 'old' instead of against "#ff0000"
ctx.save();
compare(ctx.shadowColor, old);
ctx.restore();
// Test that restore() undoes any modifications
var old = ctx.shadowOffsetX;
ctx.save();
ctx.shadowOffsetX = 5;
ctx.restore();
compare(ctx.shadowOffsetX, old);
// Also test that save() doesn't modify the values
ctx.shadowOffsetX = 5;
old = ctx.shadowOffsetX;
// we're not interested in failures caused by get(set(x)) != x (e.g.
// from rounding), so compare against 'old' instead of against 5
ctx.save();
compare(ctx.shadowOffsetX, old);
ctx.restore();
// Test that restore() undoes any modifications
var old = ctx.shadowOffsetY;
ctx.save();
ctx.shadowOffsetY = 5;
ctx.restore();
compare(ctx.shadowOffsetY, old);
// Also test that save() doesn't modify the values
ctx.shadowOffsetY = 5;
old = ctx.shadowOffsetY;
// we're not interested in failures caused by get(set(x)) != x (e.g.
// from rounding), so compare against 'old' instead of against 5
ctx.save();
compare(ctx.shadowOffsetY, old);
ctx.restore();
canvas.destroy()
}
function test_stack(row) {
var canvas = createCanvasObject(row);
tryVerify(function() { return canvas.available; });
var ctx = canvas.getContext('2d');
ctx.reset();
ctx.lineWidth = 1;
ctx.save();
ctx.lineWidth = 2;
ctx.save();
ctx.lineWidth = 3;
compare(ctx.lineWidth, 3);
ctx.restore();
compare(ctx.lineWidth, 2);
ctx.restore();
compare(ctx.lineWidth, 1);
var limit = 512;
for (var i = 1; i < limit; ++i)
{
ctx.save();
ctx.lineWidth = i;
}
for (var i = limit-1; i > 0; --i)
{
testCase.compare(ctx.lineWidth, i); //strange javascript error here
ctx.restore();
}
for (var i = 0; i < 16; ++i)
ctx.restore();
ctx.lineWidth = 0.5;
ctx.restore();
compare(ctx.lineWidth, 0.5);
canvas.destroy()
}
function test_strokeStyle(row) {
var canvas = createCanvasObject(row);
tryVerify(function() { return canvas.available; });
var ctx = canvas.getContext('2d');
ctx.reset();
// Test that restore() undoes any modifications
var old = ctx.strokeStyle;
ctx.save();
ctx.strokeStyle = "#ff0000";
ctx.restore();
compare(ctx.strokeStyle, old);
// Also test that save() doesn't modify the values
ctx.strokeStyle = "#ff0000";
old = ctx.strokeStyle;
// we're not interested in failures caused by get(set(x)) != x (e.g.
// from rounding), so compare against 'old' instead of against "#ff0000"
ctx.save();
compare(ctx.strokeStyle, old);
ctx.restore();
canvas.destroy()
}
function test_text(row) {
var canvas = createCanvasObject(row);
tryVerify(function() { return canvas.available; });
var ctx = canvas.getContext('2d');
ctx.reset();
// Test that restore() undoes any modifications
var old = ctx.textAlign;
ctx.save();
ctx.textAlign = "center";
ctx.restore();
compare(ctx.textAlign, old);
// Also test that save() doesn't modify the values
ctx.textAlign = "center";
old = ctx.textAlign;
// we're not interested in failures caused by get(set(x)) != x (e.g.
// from rounding), so compare against 'old' instead of against "center"
ctx.save();
compare(ctx.textAlign, old);
ctx.restore();
// Test that restore() undoes any modifications
var old = ctx.textBaseline;
ctx.save();
ctx.textBaseline = "bottom";
ctx.restore();
compare(ctx.textBaseline, old);
// Also test that save() doesn't modify the values
ctx.textBaseline = "bottom";
old = ctx.textBaseline;
// we're not interested in failures caused by get(set(x)) != x (e.g.
// from rounding), so compare against 'old' instead of against "bottom"
ctx.save();
compare(ctx.textBaseline, old);
ctx.restore();
canvas.destroy()
}
function test_transform(row) {
var canvas = createCanvasObject(row);
tryVerify(function() { return canvas.available; });
var ctx = canvas.getContext('2d');
ctx.reset();
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
ctx.save();
ctx.translate(200, 0);
ctx.restore();
ctx.fillStyle = '#f00';
ctx.fillRect(-200, 0, 100, 50);
comparePixel(ctx, 50,25, 0,255,0,255);
canvas.destroy()
}
}