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Render themes: SVG resources on iOS

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This commit is contained in:
Longri
2016-07-17 09:38:43 +02:00
committed by Emux
parent 166b0ab772
commit 4c5de7453d
34 changed files with 1919 additions and 3 deletions
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19
vtm-ios/src/org/oscim/ios/backend/IosBitmap.java
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@@ -122,6 +122,25 @@ public class IosBitmap implements Bitmap {
image.dispose();
}
/**
* protected constructor for create IosBitmap from IosSvgBitmap
* @param image
*/
protected IosBitmap(UIImage image){
CGImage cgiIimage = image.getCGImage();
this.width = (int) cgiIimage.getWidth();
this.height = (int) cgiIimage.getHeight();
this.cgBitmapContext = CGBitmapContext.create(width, height, 8, 4 * width,
CGColorSpace.createDeviceRGB(), CGImageAlphaInfo.PremultipliedLast);
this.cgBitmapContext.drawImage(new CGRect(0, 0, width, height), cgiIimage);
// can dispose helper images for release memory
image.dispose();
cgiIimage.dispose();
}
@Override
public int getWidth() {

8
vtm-ios/src/org/oscim/ios/backend/IosGraphics.java
View File

@@ -63,8 +63,12 @@ public class IosGraphics extends CanvasAdapter {
@Override
protected Bitmap decodeSvgBitmapImpl(InputStream inputStream) {
// TODO
return null;
try {
return new IosSvgBitmap(inputStream);
} catch (IOException e) {
log.error("decodeSvgImpl", e);
return null;
}
}
@Override

1
vtm-ios/src/org/oscim/ios/backend/IosPaint.java
View File

@@ -269,7 +269,6 @@ public class IosPaint implements Paint {
fontHeight = (float) ctFont.getBoundingBox().getHeight();
font = ctFont.as(UIFont.class);
log.debug("Put Font to buffer :" + key);
fontHashMap.put(key, font);
}

87
vtm-ios/src/org/oscim/ios/backend/IosSvgBitmap.java Normal file
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@@ -0,0 +1,87 @@
/*
* Copyright 2016 Longri
*
* This program is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.oscim.ios.backend;
import org.oscim.backend.CanvasAdapter;
import org.robovm.apple.coregraphics.CGRect;
import org.robovm.apple.coregraphics.CGSize;
import org.robovm.apple.uikit.UIImage;
import svg.SVGRenderer;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
/**
* Created by Longri on 17.07.16.
*/
public class IosSvgBitmap extends IosBitmap {
private static final float DEFAULT_SIZE = 400f;
/**
* Constructor<br>
* @param inputStream
* @throws IOException
*/
public IosSvgBitmap(InputStream inputStream) throws IOException {
super(getUIImage(inputStream));
}
//get UIImage from SVG file
private static UIImage getUIImage(InputStream inputStream) {
String svg = getStringFromInputStream(inputStream);
SVGRenderer renderer = new SVGRenderer(svg);
CGRect viewRect = renderer.getViewRect();
float scaleFactor = CanvasAdapter.dpi / 240;
double scale = scaleFactor / Math.sqrt((viewRect.getHeight() * viewRect.getWidth()) / DEFAULT_SIZE);
float bitmapWidth = (float) (viewRect.getWidth() * scale);
float bitmapHeight = (float) (viewRect.getHeight() * scale);
return renderer.asImageWithSize(new CGSize(bitmapWidth, bitmapHeight), 1);
}
// convert InputStream to String
private static String getStringFromInputStream(InputStream is) {
BufferedReader br = null;
StringBuilder sb = new StringBuilder();
String line;
try {
br = new BufferedReader(new InputStreamReader(is));
while ((line = br.readLine()) != null) {
sb.append(line);
}
} catch (IOException e) {
e.printStackTrace();
} finally {
if (br != null) {
try {
br.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return sb.toString();
}
}

15
vtm-ios/src/svg/GHRenderable.java Normal file
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@@ -0,0 +1,15 @@
package svg;
import org.robovm.apple.coregraphics.CGAffineTransform;
import org.robovm.apple.foundation.NSObjectProtocol;
import org.robovm.objc.annotation.Property;
public interface GHRenderable extends NSObjectProtocol{
@Property(selector = "transform")
public CGAffineTransform getTransform();
@Property(selector = "hidden")
public boolean isHidden();
}

14
vtm-ios/src/svg/SVGContext.java Normal file
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@@ -0,0 +1,14 @@
package svg;
import org.robovm.apple.foundation.NSObject;
import org.robovm.apple.uikit.UIColor;
import org.robovm.objc.annotation.Method;
public interface SVGContext {
@Method(selector = "colorForSVGColorString:")
public UIColor colorForSVGColorString(String svgColorString);
@Method(selector = "objectAtURL:")
public NSObject objectAtURL(String aLocation);
}

31
vtm-ios/src/svg/SVGParser.java Normal file
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@@ -0,0 +1,31 @@
package svg;
import org.robovm.apple.foundation.NSError;
import org.robovm.apple.foundation.NSObject;
import org.robovm.objc.ObjCRuntime;
import org.robovm.objc.annotation.Method;
import org.robovm.objc.annotation.NativeClass;
import org.robovm.objc.annotation.Property;
import org.robovm.rt.bro.annotation.Library;
import org.robovm.rt.bro.annotation.Pointer;
import org.robovm.rt.bro.ptr.Ptr;
@Library(Library.INTERNAL)
@NativeClass("SVGParser")
public class SVGParser extends NSObject {
public static class SVGParserPtr extends Ptr<SVGParser, SVGParserPtr> {}
static { ObjCRuntime.bind(SVGParser.class); }/*</bind>*/
public SVGParser() {};
protected SVGParser(long handle) { super(handle); }
protected SVGParser(SkipInit skipInit) { super(skipInit); }
public SVGParser(String utf8String) { super((SkipInit) null); initObject(init(utf8String)); }
@Method(selector = "initWithString:")
protected native @Pointer long init(String utf8String);
@Property(selector = "parserError")
public native NSError getParserError();
}

52
vtm-ios/src/svg/SVGRenderer.java Normal file
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@@ -0,0 +1,52 @@
package svg;
import org.robovm.apple.coregraphics.CGAffineTransform;
import org.robovm.apple.coregraphics.CGRect;
import org.robovm.apple.coregraphics.CGSize;
import org.robovm.apple.foundation.NSObject;
import org.robovm.apple.uikit.UIColor;
import org.robovm.apple.uikit.UIImage;
import org.robovm.objc.ObjCRuntime;
import org.robovm.objc.annotation.Method;
import org.robovm.objc.annotation.NativeClass;
import org.robovm.objc.annotation.Property;
import org.robovm.rt.bro.annotation.ByVal;
import org.robovm.rt.bro.annotation.Library;
import org.robovm.rt.bro.annotation.MachineSizedFloat;
import org.robovm.rt.bro.annotation.Pointer;
import org.robovm.rt.bro.ptr.Ptr;
@Library(Library.INTERNAL)
@NativeClass("SVGRenderer")
public class SVGRenderer extends SVGParser implements SVGContext, GHRenderable {
public static class SVGRendererPtr extends Ptr<SVGRenderer, SVGRendererPtr> {}
static { ObjCRuntime.bind(SVGRenderer.class); }/*</bind>*/
public SVGRenderer() {};
protected SVGRenderer(long handle) { super(handle); }
protected SVGRenderer(SkipInit skipInit) { super(skipInit); }
public SVGRenderer(String utf8String) { super((SkipInit) null); initObject(init(utf8String)); }
@Method(selector = "initWithString:")
protected native @Pointer long init(String utf8String);
@Property(selector = "viewRect")
public native @ByVal CGRect getViewRect();
@Method(selector = "colorForSVGColorString:")
public native UIColor colorForSVGColorString(String svgColorString);
@Method(selector = "objectAtURL:")
public native NSObject objectAtURL(String aLocation);
@Property(selector = "transform")
public native CGAffineTransform getTransform();
@Property(selector = "hidden")
public native boolean isHidden();
@Method(selector = "asImageWithSize:andScale:")
public native UIImage asImageWithSize(@ByVal CGSize maximumSize, @MachineSizedFloat double scale);
}