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Update BrandedPreviewJPEGFilter.java

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Working to address failed to convolve bug.
This commit is contained in:
Jason Sherman
2013-08-14 17:01:29 -05:00
parent 5ea7fc0891
commit 160eb19d45
1 changed files with 16 additions and 0 deletions
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16
dspace-api/src/main/java/org/dspace/app/mediafilter/BrandedPreviewJPEGFilter.java
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@@ -185,6 +185,20 @@ public class BrandedPreviewJPEGFilter extends MediaFilter
return bais; // hope this gets written out before its garbage collected!
}
public BufferedImage getNormalizedInstance(BufferedImage buf)
{
int type = (buf.getTransparency() == Transparency.OPAQUE) ?
BufferedImage.TYPE_INT_RGB : BufferedImage.TYPE_INT_ARGB_PRE;
int w, h;
w = buf.getWidth();
h = buf.getHeight();
BufferedImage normal = new BufferedImage(w, h, type);
Graphics2D g2d = normal.createGraphics();
g2d.drawImage(buf, 0, 0, w, h, Color.WHITE, null);
g2d.dispose();
return normal;
}
public BufferedImage getBlurredInstance(BufferedImage buf)
{
/**
@@ -193,6 +207,8 @@ public class BrandedPreviewJPEGFilter extends MediaFilter
*
*/
buf = getNormalizedInstance(buf);
// kernel for blur op
float[] matrix = {
0.111f, 0.111f, 0.111f,