mudhorn/zxing
1
0
Fork 0
mirror of https://github.com/zxing/zxing.git synced 2025-03-05 20:48:51 -08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Avoid check for transparency when there is no alpha channel

Browse source 
git-svn-id: https://zxing.googlecode.com/svn/trunk@2327 59b500cc-1b3d-0410-9834-0bbf25fbcc57
This commit is contained in:
srowen 2012-06-26 10:23:54 +00:00
parent f0fb20f055
commit 7bc138ed7a
2 changed files with 26 additions and 22 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
core/test/src/com/google/zxing/BufferedImageLuminanceSource.java
View file

@ -49,18 +49,20 @@ public final class BufferedImageLuminanceSource extends LuminanceSource {
// The color of fully-transparent pixels is irrelevant. They are often, technically, fully-transparent
// black (0 alpha, and then 0 RGB). They are often used, of course as the "white" area in a
// barcode image. Force any such pixel to be white:
int[] buffer = new int[width];
for (int y = top; y < top + height; y++) {
image.getRGB(left, y, width, 1, buffer, 0, sourceWidth);
boolean rowChanged = false;
for (int x = 0; x < width; x++) {
if ((buffer[x] & 0xFF000000) == 0) {
buffer[x] = 0xFFFFFFFF; // = white
rowChanged = true;
if (image.getAlphaRaster() != null) {
int[] buffer = new int[width];
for (int y = top; y < top + height; y++) {
image.getRGB(left, y, width, 1, buffer, 0, sourceWidth);
boolean rowChanged = false;
for (int x = 0; x < width; x++) {
if ((buffer[x] & 0xFF000000) == 0) {
buffer[x] = 0xFFFFFFFF; // = white
rowChanged = true;
}
}
if (rowChanged) {
image.setRGB(left, y, width, 1, buffer, 0, sourceWidth);
}
}
if (rowChanged) {
image.setRGB(left, y, width, 1, buffer, 0, sourceWidth);
}
}

24
javase/src/com/google/zxing/client/j2se/BufferedImageLuminanceSource.java
View file

@ -51,18 +51,20 @@ public final class BufferedImageLuminanceSource extends LuminanceSource {
// The color of fully-transparent pixels is irrelevant. They are often, technically, fully-transparent
// black (0 alpha, and then 0 RGB). They are often used, of course as the "white" area in a
// barcode image. Force any such pixel to be white:
int[] buffer = new int[width];
for (int y = top; y < top + height; y++) {
image.getRGB(left, y, width, 1, buffer, 0, sourceWidth);
boolean rowChanged = false;
for (int x = 0; x < width; x++) {
if ((buffer[x] & 0xFF000000) == 0) {
buffer[x] = 0xFFFFFFFF; // = white
rowChanged = true;
if (image.getAlphaRaster() != null) {
int[] buffer = new int[width];
for (int y = top; y < top + height; y++) {
image.getRGB(left, y, width, 1, buffer, 0, sourceWidth);
boolean rowChanged = false;
for (int x = 0; x < width; x++) {
if ((buffer[x] & 0xFF000000) == 0) {
buffer[x] = 0xFFFFFFFF; // = white
rowChanged = true;
}
}
if (rowChanged) {
image.setRGB(left, y, width, 1, buffer, 0, sourceWidth);
}
}
if (rowChanged) {
image.setRGB(left, y, width, 1, buffer, 0, sourceWidth);
}
}