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#330 Now correctly calculates scanline for 1 & 4 bits

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Harald Kuhr 2020-11-17 22:57:25 +01:00
parent 7a24d55be7
commit 918f92aba7
1 changed files with 2 additions and 2 deletions
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4
imageio/imageio-bmp/src/main/java/com/twelvemonkeys/imageio/plugins/bmp/DIBImageReader.java
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@ -363,7 +363,7 @@ abstract class DIBImageReader extends ImageReaderBase {
} }
private void readBitmapIndexed1(final BitmapIndexed pBitmap, final boolean pAsMask) throws IOException { private void readBitmapIndexed1(final BitmapIndexed pBitmap, final boolean pAsMask) throws IOException {
int width = adjustToPadding(pBitmap.getWidth() >> 3); int width = adjustToPadding((pBitmap.getWidth() + 7) >> 3);
byte[] row = new byte[width]; byte[] row = new byte[width];
for (int y = 0; y < pBitmap.getHeight(); y++) { for (int y = 0; y < pBitmap.getHeight(); y++) {
@ -397,7 +397,7 @@ abstract class DIBImageReader extends ImageReaderBase {
} }
private void readBitmapIndexed4(final BitmapIndexed pBitmap) throws IOException { private void readBitmapIndexed4(final BitmapIndexed pBitmap) throws IOException {
int width = adjustToPadding(pBitmap.getWidth() >> 1); int width = adjustToPadding((pBitmap.getWidth() + 1) >> 1);
byte[] row = new byte[width]; byte[] row = new byte[width];
for (int y = 0; y < pBitmap.getHeight(); y++) { for (int y = 0; y < pBitmap.getHeight(); y++) {