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Css backgrounds spike

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This commit is contained in:
vakrilov
2015-06-30 17:02:29 +03:00
parent 3a5aa290ef
commit bb0a2caa9e
5 changed files with 65 additions and 4 deletions
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1
CrossPlatformModules.csproj
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@ -655,6 +655,7 @@
</Content>
<Content Include="apps\tests\pages\page-load-performance\test-small.xml" />
<Content Include="apps\tests\pages\fonts-test.xml" />
<Content Include="apps\tests\pages\background-test.xml" />
<Content Include="apps\tests\pages\page18.xml" />
<Content Include="apps\tests\ui\bindingContext_testPage.xml" />
<Content Include="apps\tests\ui\bindingContext_testPage1.xml" />

5
apps/tests/pages/background-test.xml Normal file
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@ -0,0 +1,5 @@
<Page>
<GridLayout style="background-image: url('~/pages/test.png')">
<Button text="just a button" />
</GridLayout>
</Page>

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apps/tests/pages/test2.png Normal file
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55
ui/core/view.ios.ts
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@ -3,6 +3,7 @@ import trace = require("trace");
import utils = require("utils/utils");
import dependencyObservable = require("ui/core/dependency-observable");
import proxy = require("ui/core/proxy");
import style = require("ui/styling/style");
// merge the exports of the common file with the exports of this file
declare var exports;
@ -124,6 +125,7 @@ export class View extends viewCommon.View {
if (changed || (this._privateFlags & PFLAG_LAYOUT_REQUIRED) === PFLAG_LAYOUT_REQUIRED) {
this.onLayout(left, top, right, bottom);
this._privateFlags &= ~PFLAG_LAYOUT_REQUIRED;
this._onBoundsChanged();
}
this._privateFlags &= ~PFLAG_FORCE_LAYOUT;
}
@ -203,6 +205,59 @@ export class View extends viewCommon.View {
return false;
}
private _onBoundsChanged() {
var nativeView: UIView = <UIView>this._nativeView;
var imageSource = this.style._getValue(style.backgroundImageSourceProperty);
if (imageSource && imageSource.ios) {
var img = <UIImage>imageSource.ios;
var frame = nativeView.frame;
console.log("Frame: " + NSStringFromCGRect(frame));
console.log("ImageSize: " + NSStringFromCGSize(img.size));
if (frame.size.width > 0 && frame.size.height) {
var repeatX = false;
var repeatY = false;
var posX = 15;
var posY = 35;
var sizeX = 15;
var sizeY = 40;
if (sizeX > 0 && sizeY > 0) {
var resizeRect = CGRectMake(0, 0, sizeX, sizeY);
UIGraphicsBeginImageContext(resizeRect.size);
img.drawInRect(resizeRect);
img = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
}
UIGraphicsBeginImageContextWithOptions(frame.size, false, 1.0);
if (!repeatX && !repeatY) {
img.drawAtPoint(CGPointMake(posX, posY));
}
else {
var w = repeatX ? frame.size.width : img.size.width;
var h = repeatY ? frame.size.height : img.size.height;
var context = UIGraphicsGetCurrentContext();
CGContextSetPatternPhase(context, CGSizeMake(posX, posY));
console.log("context" + context);
posX = repeatX ? 0 : posX;
posY = repeatY ? 0 : posY;
var patternRect = CGRectMake(posX, posY, w, h);
console.log("patternRect: " + NSStringFromCGRect(patternRect));
img.drawAsPatternInRect(patternRect);
}
var bkgImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
console.log("bkgImage.size: " + NSStringFromCGSize(bkgImage.size));
nativeView.backgroundColor = UIColor.alloc().initWithPatternImage(bkgImage);
}
}
}
}
export class CustomLayoutView extends View {

8
ui/styling/stylers.ios.ts
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@ -137,10 +137,10 @@ export class DefaultStyler implements definition.stylers.Styler {
DefaultStyler.resetBackgroundProperty,
DefaultStyler.getNativeBackgroundValue));
style.registerHandler(style.backgroundImageSourceProperty, new stylersCommon.StylePropertyChangedHandler(
DefaultStyler.setBackgroundImageSourceProperty,
DefaultStyler.resetBackgroundImageSourceProperty,
DefaultStyler.getNativeBackgroundImageSourceValue));
//style.registerHandler(style.backgroundImageSourceProperty, new stylersCommon.StylePropertyChangedHandler(
// DefaultStyler.setBackgroundImageSourceProperty,
// DefaultStyler.resetBackgroundImageSourceProperty,
// DefaultStyler.getNativeBackgroundImageSourceValue));
style.registerHandler(style.visibilityProperty, new stylersCommon.StylePropertyChangedHandler(
DefaultStyler.setVisibilityProperty,