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Bitmap: get png encoded data implementation

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This commit is contained in:
Longri 2016-07-17 21:21:58 +02:00 committed by Emux
parent fab7020d3d
commit 44b40608f6
5 changed files with 37 additions and 0 deletions
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8
vtm-android-gdx/src/org/oscim/android/canvas/AndroidBitmap.java
View File

@ -21,6 +21,7 @@ import android.graphics.BitmapFactory;
import android.opengl.GLES20;
import android.opengl.GLUtils;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import static android.graphics.Bitmap.Config.ARGB_8888;
@ -43,6 +44,13 @@ public class AndroidBitmap implements org.oscim.backend.canvas.Bitmap {
return mBitmap != null;
}
@Override
public byte[] getPngEncodedData() {
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
this.mBitmap.compress(Bitmap.CompressFormat.PNG, 0, outputStream);
return outputStream.toByteArray();
}
/**
* @param format ignored always ARGB8888
*/

8
vtm-android/src/org/oscim/android/canvas/AndroidBitmap.java
View File

@ -21,6 +21,7 @@ import android.graphics.BitmapFactory;
import android.opengl.GLES20;
import android.opengl.GLUtils;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import static android.graphics.Bitmap.Config.ARGB_8888;
@ -43,6 +44,13 @@ public class AndroidBitmap implements org.oscim.backend.canvas.Bitmap {
return mBitmap != null;
}
@Override
public byte[] getPngEncodedData(){
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
this.mBitmap.compress(Bitmap.CompressFormat.PNG, 0, outputStream);
return outputStream.toByteArray();
}
/**
* @param format ignored always ARGB8888
*/

12
vtm-desktop/src/org/oscim/awt/AwtBitmap.java
View File

@ -25,6 +25,7 @@ import org.oscim.backend.canvas.Bitmap;
import org.oscim.renderer.bucket.TextureBucket;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
@ -151,4 +152,15 @@ public class AwtBitmap implements Bitmap {
public boolean isValid() {
return true;
}
@Override
public byte[] getPngEncodedData(){
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
try {
ImageIO.write(this.bitmap, "png", outputStream);
} catch (IOException e) {
e.printStackTrace();
}
return outputStream.toByteArray();
}
}

7
vtm-ios/src/org/oscim/ios/backend/IosBitmap.java
View File

@ -189,6 +189,13 @@ public class IosBitmap implements Bitmap {
return this.cgBitmapContext != null;
}
@Override
public byte[] getPngEncodedData() {
UIImage uiImage = new UIImage(cgBitmapContext.toImage());
NSData data = uiImage.toPNGData();
return data.getBytes();
}
/**
* Returns a ByteArray from InputStream

2
vtm/src/org/oscim/backend/canvas/Bitmap.java
View File

@ -62,4 +62,6 @@ public interface Bitmap {
void uploadToTexture(boolean replace);
boolean isValid();
byte[] getPngEncodedData();
}