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Fixed Bitmap missing method when using Baozi Manhua extensions. (#687)

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This commit is contained in:
He Zhu
2023-09-24 04:26:20 +08:00
committed by GitHub
parent 41fea1d2a0
commit 3b36974d84
1 changed files with 122 additions and 16 deletions
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AndroidCompat/src/main/java/android/graphics/Bitmap.java
+122 -16
View File
@@ -1,20 +1,23 @@
package android.graphics;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Iterator;
import android.annotation.ColorInt;
import android.annotation.NonNull;
import javax.imageio.IIOImage;
import javax.imageio.ImageIO;
import javax.imageio.ImageWriteParam;
import javax.imageio.ImageWriter;
import javax.imageio.stream.ImageOutputStream;
import java.awt.image.BufferedImage;
import java.awt.image.Raster;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Iterator;
public final class Bitmap {
private int width;
private int height;
private BufferedImage image;
private final int width;
private final int height;
private final BufferedImage image;
public Bitmap(BufferedImage image) {
this.image = image;
@@ -59,8 +62,8 @@ public final class Bitmap {
final int nativeInt;
private static Config sConfigs[] = {
null, ALPHA_8, null, RGB_565, ARGB_4444, ARGB_8888, RGBA_F16, HARDWARE, RGBA_1010102
private static final Config[] sConfigs = {
null, ALPHA_8, null, RGB_565, ARGB_4444, ARGB_8888, RGBA_F16, HARDWARE, RGBA_1010102
};
Config(int ni) {
@@ -72,11 +75,60 @@ public final class Bitmap {
}
}
/**
* Common code for checking that x and y are >= 0
*
* @param x x coordinate to ensure is >= 0
* @param y y coordinate to ensure is >= 0
*/
private static void checkXYSign(int x, int y) {
if (x < 0) {
throw new IllegalArgumentException("x must be >= 0");
}
if (y < 0) {
throw new IllegalArgumentException("y must be >= 0");
}
}
/**
* Common code for checking that width and height are > 0
*
* @param width width to ensure is > 0
* @param height height to ensure is > 0
*/
private static void checkWidthHeight(int width, int height) {
if (width <= 0) {
throw new IllegalArgumentException("width must be > 0");
}
if (height <= 0) {
throw new IllegalArgumentException("height must be > 0");
}
}
public static Bitmap createBitmap(int width, int height, Config config) {
BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
return new Bitmap(image);
}
public static Bitmap createBitmap(@NonNull Bitmap source, int x, int y, int width, int height) {
checkXYSign(x, y);
checkWidthHeight(width, height);
if (x + width > source.getWidth()) {
throw new IllegalArgumentException("x + width must be <= bitmap.width()");
}
if (y + height > source.getHeight()) {
throw new IllegalArgumentException("y + height must be <= bitmap.height()");
}
// Android will make a copy when creating a sub image,
// so we do the same here
BufferedImage subImage = source.image.getSubimage(x, y, width, height);
BufferedImage newImage = new BufferedImage(subImage.getWidth(), subImage.getHeight(), subImage.getType());
newImage.setData(subImage.getData());
return new Bitmap(newImage);
}
public boolean compress(CompressFormat format, int quality, OutputStream stream) {
if (stream == null) {
throw new NullPointerException();
@@ -87,7 +139,7 @@ public final class Bitmap {
}
float qualityFloat = ((float) quality) / 100;
String formatString = "";
String formatString;
if (format == Bitmap.CompressFormat.PNG) {
formatString = "png";
} else if (format == Bitmap.CompressFormat.JPEG) {
@@ -100,7 +152,7 @@ public final class Bitmap {
if (!writers.hasNext()) {
throw new IllegalStateException("no image writers found for this format!");
}
ImageWriter writer = (ImageWriter) writers.next();
ImageWriter writer = writers.next();
ImageOutputStream ios;
try {
@@ -111,19 +163,73 @@ public final class Bitmap {
writer.setOutput(ios);
ImageWriteParam param = writer.getDefaultWriteParam();
if (formatString == "jpg") {
if ("jpg".equals(formatString)) {
param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
param.setCompressionQuality(qualityFloat);
}
try {
writer.write(null, new IIOImage(image, null, null), param);
ios.close();
writer.dispose();
writer.write(null, new IIOImage(image, null, null), param);
ios.close();
writer.dispose();
} catch (IOException ex) {
throw new RuntimeException(ex);
}
return true;
}
/**
* Shared code to check for illegal arguments passed to getPixels()
* or setPixels()
*
* @param x left edge of the area of pixels to access
* @param y top edge of the area of pixels to access
* @param width width of the area of pixels to access
* @param height height of the area of pixels to access
* @param offset offset into pixels[] array
* @param stride number of elements in pixels[] between each logical row
* @param pixels array to hold the area of pixels being accessed
*/
private void checkPixelsAccess(int x, int y, int width, int height,
int offset, int stride, int[] pixels) {
checkXYSign(x, y);
if (width < 0) {
throw new IllegalArgumentException("width must be >= 0");
}
if (height < 0) {
throw new IllegalArgumentException("height must be >= 0");
}
if (x + width > getWidth()) {
throw new IllegalArgumentException(
"x + width must be <= bitmap.width()");
}
if (y + height > getHeight()) {
throw new IllegalArgumentException(
"y + height must be <= bitmap.height()");
}
if (Math.abs(stride) < width) {
throw new IllegalArgumentException("abs(stride) must be >= width");
}
int lastScanline = offset + (height - 1) * stride;
int length = pixels.length;
if (offset < 0 || (offset + width > length)
|| lastScanline < 0
|| (lastScanline + width > length)) {
throw new ArrayIndexOutOfBoundsException();
}
}
public void getPixels(@ColorInt int[] pixels, int offset, int stride,
int x, int y, int width, int height) {
checkPixelsAccess(x, y, width, height, offset, stride, pixels);
Raster raster = image.getData();
int[] rasterPixels = raster.getPixels(x, y, width, height, (int[]) null);
for (int ht = 0; ht < height; ht++) {
int rowOffset = offset + stride * ht;
System.arraycopy(rasterPixels, ht * width, pixels, rowOffset, width);
}
}
}