com.adobe.fontengine.font.cff.CFFScaler Maven / Gradle / Ivy

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/*
 * File: CFFScaler.java
 * 
 *	ADOBE CONFIDENTIAL
 *	___________________
 *
 *	Copyright 2006 Adobe Systems Incorporated
 *	All Rights Reserved.
 *
 *	NOTICE: All information contained herein is, and remains the property of
 *	Adobe Systems Incorporated and its suppliers, if any. The intellectual
 *	and technical concepts contained herein are proprietary to Adobe Systems
 *	Incorporated and its suppliers and may be covered by U.S. and Foreign
 *	Patents, patents in process, and are protected by trade secret or
 *	copyright law. Dissemination of this information or reproduction of this
 *	material is strictly forbidden unless prior written permission is
 *      obtained from Adobe Systems Incorporated.
 *
 */

package com.adobe.fontengine.font.cff;

import com.adobe.fontengine.font.BitmapConsumer;
import com.adobe.fontengine.font.InvalidFontException;
import com.adobe.fontengine.font.Matrix;
import com.adobe.fontengine.font.OutlineConsumer;
import com.adobe.fontengine.font.OutlineConsumer2;
import com.adobe.fontengine.font.OutlineConsumerAdapter;
import com.adobe.fontengine.font.Scaler;
import com.adobe.fontengine.font.ScalerDebugger;
import com.adobe.fontengine.font.ScanConverter;
import com.adobe.fontengine.font.UnsupportedFontException;

/** A {@link Scaler} for {@link CFFFont}s.
 * 
 * Currently does not interpret hints.
 */

public class CFFScaler implements Scaler {
  protected final CFFFont font;
  protected final ScanConverter scanConverter;
  protected Matrix emToPixel;
  
  public CFFScaler (CFFFont font, ScanConverter scanConverter) {
    this.font = font;
    this.scanConverter = scanConverter;
  }

  public void setScale (double pointSize, double ppemX, double ppemY,
                          double dX, double dY)
  throws InvalidFontException, UnsupportedFontException {
    emToPixel = new Matrix (ppemX, 0, 0, ppemY, dX, dY);
  }

  public void getOutline (int gid, OutlineConsumer outlineConsumer)
  throws UnsupportedFontException, InvalidFontException {
    font.getGlyphOutline (gid, outlineConsumer);
  }

  public void getBitmap (int gid, BitmapConsumer bitmapConsumer)
  throws UnsupportedFontException, InvalidFontException {
    
    if (ScalerDebugger.debugOn && debugger != null) {
      OutlineConsumer2 x = debugger.getCFFOutlineConsumer ();
      if (x != null) {
        OutlineConsumerAdapter adapter = new OutlineConsumerAdapter (x);
        adapter.setEmToPixelMatrix (emToPixel);
        adapter.startOutline ();
        font.getGlyphOutline (gid, adapter); 
        adapter.endOutline (); }}
    
    OutlineConsumer2 consumer = scanConverter.getOutlineConsumer2 ();
    consumer.startOutline ();
    OutlineConsumerAdapter adapter = new OutlineConsumerAdapter (consumer);
    adapter.setEmToPixelMatrix (emToPixel);
    adapter.startOutline ();
    font.getGlyphOutline (gid, adapter);
    adapter.endOutline ();
    
    scanConverter.getBitmap (bitmapConsumer);
  }

  //----------------------------------------------------------------------------
  protected ScalerDebugger debugger;
  public void setDebugger (ScalerDebugger debugger) {
    this.debugger = debugger;
    scanConverter.setDebugger (debugger);
  }
}