diff options
Diffstat (limited to 'java/awt/image/ComponentColorModel.java')
| -rw-r--r-- | java/awt/image/ComponentColorModel.java | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/java/awt/image/ComponentColorModel.java b/java/awt/image/ComponentColorModel.java index f56688f93..f3f3e374b 100644 --- a/java/awt/image/ComponentColorModel.java +++ b/java/awt/image/ComponentColorModel.java @@ -42,9 +42,11 @@ import gnu.java.awt.Buffers; import java.awt.Point; import java.awt.color.ColorSpace; +import java.util.Arrays; public class ComponentColorModel extends ColorModel { + // Find sum of all elements of the array. private static int sum(int[] values) { int sum = 0; @@ -52,6 +54,22 @@ public class ComponentColorModel extends ColorModel sum += values[i]; return sum; } + + // Create an appropriate array of bits, given a colorspace (ie, number of + // bands), size of the storage data type, and presence of an alpha band. + private static int[] findBits(ColorSpace colorSpace, int transferType, + boolean hasAlpha) + { + int[] bits; + if (hasAlpha) + bits = new int[colorSpace.getNumComponents()+1]; + else + bits = new int[colorSpace.getNumComponents()]; + + Arrays.fill(bits, DataBuffer.getDataTypeSize(transferType)); + + return bits; + } public ComponentColorModel(ColorSpace colorSpace, int[] bits, boolean hasAlpha, @@ -84,8 +102,8 @@ public class ComponentColorModel extends ColorModel boolean isAlphaPremultiplied, int transparency, int transferType) { - this(colorSpace, null, hasAlpha, isAlphaPremultiplied, - transparency, transferType); + this(colorSpace, findBits(colorSpace, transferType, hasAlpha), hasAlpha, + isAlphaPremultiplied, transparency, transferType); } public int getRed(int pixel) |