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Fix artifacts on bicubic interpolation #18

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Fix artifacts on bicubic interpolation #18

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fb4dbb5
Fix mesh pattern artifacts on bicubic interpolation
ktgw0316 Sep 11, 2020
5a621f7
Fix pixelation artifacts on bicubic interpolation
ktgw0316 Sep 11, 2020
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2 changes: 1 addition & 1 deletion modules/core/src/main/java/org/eclipse/imagen/InterpolationBicubic.java
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Original file line number Diff line number Diff line change
Expand Up @@ -94,7 +94,7 @@
*/
public final class InterpolationBicubic extends InterpolationTable {

private static final int PRECISION_BITS = 8;
private static final int PRECISION_BITS = 12;

private static float[] dataHelper(int subsampleBits) {

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2 changes: 1 addition & 1 deletion modules/core/src/main/java/org/eclipse/imagen/InterpolationBicubic2.java
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Expand Up @@ -95,7 +95,7 @@
*/
public final class InterpolationBicubic2 extends InterpolationTable {

private static final int PRECISION_BITS = 8;
private static final int PRECISION_BITS = 12;

private static float[] dataHelper(int subsampleBits) {

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12 changes: 6 additions & 6 deletions modules/core/src/main/java/org/eclipse/imagen/media/opimage/AffineBicubicOpImage.java
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Expand Up @@ -320,7 +320,7 @@ private void byteLoop(RasterAccessor src,
float_fracx = fracx;
float_fracy = fracy;
frac_xx = float_fracx * (1.0F - float_fracx);
frac_yy = float_fracx * (1.0F - float_fracy);
frac_yy = float_fracy * (1.0F - float_fracy);

s0 = s00 + ((s10 - s00) * float_fracx);
s1 = s01 + ((s11 - s01) * float_fracx);
Expand Down Expand Up @@ -584,7 +584,7 @@ private void intLoop(RasterAccessor src,
float_fracx = fracx;
float_fracy = fracy;
frac_xx = float_fracx * (1.0F - float_fracx);
frac_yy = float_fracx * (1.0F - float_fracy);
frac_yy = float_fracy * (1.0F - float_fracy);

s0 = s00 + ((s10 - s00) * float_fracx);
s1 = s01 + ((s11 - s01) * float_fracx);
Expand Down Expand Up @@ -850,7 +850,7 @@ private void shortLoop(RasterAccessor src,
float_fracx = fracx;
float_fracy = fracy;
frac_xx = float_fracx * (1.0F - float_fracx);
frac_yy = float_fracx * (1.0F - float_fracy);
frac_yy = float_fracy * (1.0F - float_fracy);

s0 = s00 + ((s10 - s00) * float_fracx);
s1 = s01 + ((s11 - s01) * float_fracx);
Expand Down Expand Up @@ -1115,7 +1115,7 @@ private void ushortLoop(RasterAccessor src,
float_fracx = fracx;
float_fracy = fracy;
frac_xx = float_fracx * (1.0F - float_fracx);
frac_yy = float_fracx * (1.0F - float_fracy);
frac_yy = float_fracy * (1.0F - float_fracy);

s0 = s00 + ((s10 - s00) * float_fracx);
s1 = s01 + ((s11 - s01) * float_fracx);
Expand Down Expand Up @@ -1379,7 +1379,7 @@ private void floatLoop(RasterAccessor src,
float_fracx = fracx;
float_fracy = fracy;
frac_xx = float_fracx * (1.0F - float_fracx);
frac_yy = float_fracx * (1.0F - float_fracy);
frac_yy = float_fracy * (1.0F - float_fracy);

s0 = s00 + ((s10 - s00) * float_fracx);
s1 = s01 + ((s11 - s01) * float_fracx);
Expand Down Expand Up @@ -1630,7 +1630,7 @@ private void doubleLoop(RasterAccessor src,
float_fracx = fracx;
float_fracy = fracy;
frac_xx = float_fracx * (1.0F - float_fracx);
frac_yy = float_fracx * (1.0F - float_fracy);
frac_yy = float_fracy * (1.0F - float_fracy);

s0 = s00 + ((s10 - s00) * float_fracx);
s1 = s01 + ((s11 - s01) * float_fracx);
Expand Down