modules/graphics/src/main/java/com/sun/scenario/effect/SepiaTone.java

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  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.scenario.effect;
  27 
  28 import com.sun.javafx.geom.Rectangle;
  29 import com.sun.javafx.geom.transform.BaseTransform;

  30 
  31 /**
  32  * A filter that produces a sepia tone effect, similar to antique photographs.
  33  */
  34 public class SepiaTone extends CoreEffect {
  35 
  36     private float level;
  37 
  38     /**
  39      * Constructs a new {@code SepiaTone} effect with the default
  40      * level value (1.0), using the default input for source data.
  41      * This is a shorthand equivalent to:
  42      * <pre>
  43      *     new SepiaTone(DefaultInput)
  44      * </pre>
  45      */
  46     public SepiaTone() {
  47         this(DefaultInput);
  48     }
  49 


  94      * <pre>
  95      *       Min: 0.0
  96      *       Max: 1.0
  97      *   Default: 1.0
  98      *  Identity: 0.0
  99      * </pre>
 100      *
 101      * @param level the level value
 102      * @throws IllegalArgumentException if {@code level} is outside
 103      * the allowable range
 104      */
 105     public void setLevel(float level) {
 106         if (level < 0f || level > 1f) {
 107             throw new IllegalArgumentException("Level must be in the range [0,1]");
 108         }
 109         float old = this.level;
 110         this.level = level;
 111     }
 112 
 113     @Override
 114     protected Rectangle getInputClip(int inputIndex,
 115                                      BaseTransform transform,
 116                                      Rectangle outputClip)


 117     {
 118         // Trivially, this effect simply modifies the colors of the pixels
 119         // of the input on a 1:1 basis so the input clip is the same as the
 120         // output clip.
 121         return outputClip;
 122     }
 123 
 124     @Override
 125     public boolean reducesOpaquePixels() {
 126         final Effect input = getInput();
 127         return input != null && input.reducesOpaquePixels();
 128     }
 129 }


  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.scenario.effect;
  27 
  28 import com.sun.javafx.geom.Rectangle;
  29 import com.sun.javafx.geom.transform.BaseTransform;
  30 import com.sun.scenario.effect.impl.state.RenderState;
  31 
  32 /**
  33  * A filter that produces a sepia tone effect, similar to antique photographs.
  34  */
  35 public class SepiaTone extends CoreEffect {
  36 
  37     private float level;
  38 
  39     /**
  40      * Constructs a new {@code SepiaTone} effect with the default
  41      * level value (1.0), using the default input for source data.
  42      * This is a shorthand equivalent to:
  43      * <pre>
  44      *     new SepiaTone(DefaultInput)
  45      * </pre>
  46      */
  47     public SepiaTone() {
  48         this(DefaultInput);
  49     }
  50 


  95      * <pre>
  96      *       Min: 0.0
  97      *       Max: 1.0
  98      *   Default: 1.0
  99      *  Identity: 0.0
 100      * </pre>
 101      *
 102      * @param level the level value
 103      * @throws IllegalArgumentException if {@code level} is outside
 104      * the allowable range
 105      */
 106     public void setLevel(float level) {
 107         if (level < 0f || level > 1f) {
 108             throw new IllegalArgumentException("Level must be in the range [0,1]");
 109         }
 110         float old = this.level;
 111         this.level = level;
 112     }
 113 
 114     @Override
 115     public RenderState getRenderState(FilterContext fctx,
 116                                       BaseTransform transform,
 117                                       Rectangle outputClip,
 118                                       Object renderHelper,
 119                                       Effect defaultInput)
 120     {
 121         return RenderState.RenderSpaceRenderState;



 122     }
 123 
 124     @Override
 125     public boolean reducesOpaquePixels() {
 126         final Effect input = getInput();
 127         return input != null && input.reducesOpaquePixels();
 128     }
 129 }