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check range in blendColors

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This commit is contained in:
Hannes Janetzek
2013-01-31 04:42:34 +01:00
parent 4408a86a5b
commit 2b68d93891
2 changed files with 14 additions and 17 deletions
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19
src/org/oscim/utils/GlUtils.java
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@@ -185,13 +185,18 @@ public class GlUtils {
// this is save as it can only be called from glThread
private static float[] tmpColor = new float[4];
public static void setBlendColors(int handle, float[] c1, float[] c2, float alpha) {
tmpColor[0] = c1[0] * (1 - alpha) + c2[0] * alpha;
tmpColor[1] = c1[1] * (1 - alpha) + c2[1] * alpha;
tmpColor[2] = c1[2] * (1 - alpha) + c2[2] * alpha;
tmpColor[3] = c1[3] * (1 - alpha) + c2[3] * alpha;
GLES20.glUniform4fv(handle, 1, tmpColor, 0);
public static void setBlendColors(int handle, float[] c1, float[] c2, float mix) {
if (mix <= 0f)
GLES20.glUniform4fv(handle, 1, c1, 0);
else if (mix >= 1f)
GLES20.glUniform4fv(handle, 1, c2, 0);
else {
tmpColor[0] = c1[0] * (1 - mix) + c2[0] * mix;
tmpColor[1] = c1[1] * (1 - mix) + c2[1] * mix;
tmpColor[2] = c1[2] * (1 - mix) + c2[2] * mix;
tmpColor[3] = c1[3] * (1 - mix) + c2[3] * mix;
GLES20.glUniform4fv(handle, 1, tmpColor, 0);
}
}
public static void setColor(int handle, float[] c, float alpha) {