java.awt.Canvas.createImage()方法的使用及代码示例

x33g5p2x  于2022-01-18 转载在 其他  
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本文整理了Java中java.awt.Canvas.createImage()方法的一些代码示例，展示了Canvas.createImage()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Canvas.createImage()方法的具体详情如下：
包路径：java.awt.Canvas
类名称：Canvas
方法名：createImage

Canvas.createImage介绍

暂无

代码示例

代码示例来源：origin: com.itextpdf/itextpdf

java.awt.Image img = canvas.createImage(new java.awt.image.MemoryImageSource(w, h, pix, 0, w));
return img;

代码示例来源：origin: itext/itext7

/**
 * Creates a <CODE>java.awt.Image</CODE>. A successful call to the method <CODE>generate()</CODE>
 * before calling this method is required.
 *
 * @param foreground the color of the bars
 * @param background the color of the background
 * @return the image
 */
public java.awt.Image createAwtImage(java.awt.Color foreground, java.awt.Color background) {
  if (image == null)
    return null;
  int f = foreground.getRGB();
  int g = background.getRGB();
  java.awt.Canvas canvas = new java.awt.Canvas();
  int w = width + 2 * ws;
  int h = height + 2 * ws;
  int[] pix = new int[w * h];
  int stride = (w + 7) / 8;
  int ptr = 0;
  for (int k = 0; k < h; ++k) {
    int p = k * stride;
    for (int j = 0; j < w; ++j) {
      int b = image[p + j / 8] & 0xff;
      b <<= j % 8;
      pix[ptr++] = (b & 0x80) == 0 ? g : f;
    }
  }
  java.awt.Image img = canvas.createImage(new java.awt.image.MemoryImageSource(w, h, pix, 0, w));
  return img;
}

代码示例来源：origin: es.gob.afirma/afirma-crypto-pdf-itext

/**
 * Creates a <CODE>java.awt.Image</CODE>. A successful call to the method <CODE>generate()</CODE>
 * before calling this method is required.
 * @param foreground the color of the bars
 * @param background the color of the background
 * @return the image
 */    
public java.awt.Image createAwtImage(Color foreground, Color background) {
  if (image == null)
    return null;
  int f = foreground.getRGB();
  int g = background.getRGB();
  Canvas canvas = new Canvas();
  int w = width + 2 * ws;
  int h = height + 2 * ws;
  int pix[] = new int[w * h];
  int stride = (w + 7) / 8;
  int ptr = 0;
  for (int k = 0; k < h; ++k) {
    int p = k * stride;
    for (int j = 0; j < w; ++j) {
      int b = image[p + (j / 8)] & 0xff;
      b <<= j % 8;
      pix[ptr++] = (b & 0x80) == 0 ? g : f;
    }
  }
  java.awt.Image img = canvas.createImage(new MemoryImageSource(w, h, pix, 0, w));
  return img;
}

代码示例来源：origin: com.github.librepdf/openpdf

/**
 * Creates a <CODE>java.awt.Image</CODE>. A successful call to the method <CODE>generate()</CODE>
 * before calling this method is required.
 * @param foreground the color of the bars
 * @param background the color of the background
 * @return the image
 */    
public java.awt.Image createAwtImage(Color foreground, Color background) {
  if (image == null)
    return null;
  int f = foreground.getRGB();
  int g = background.getRGB();
  Canvas canvas = new Canvas();
  int w = width + 2 * ws;
  int h = height + 2 * ws;
  int[] pix = new int[w * h];
  int stride = (w + 7) / 8;
  int ptr = 0;
  for (int k = 0; k < h; ++k) {
    int p = k * stride;
    for (int j = 0; j < w; ++j) {
      int b = image[p + (j / 8)] & 0xff;
      b <<= j % 8;
      pix[ptr++] = (b & 0x80) == 0 ? g : f;
    }
  }
  java.awt.Image img = canvas.createImage(new MemoryImageSource(w, h, pix, 0, w));
  return img;
}

代码示例来源：origin: com.itextpdf/itextpdf

java.awt.Image img = canvas.createImage(new java.awt.image.MemoryImageSource(bitColumns, codeRows * h, pix, 0, bitColumns));
return img;

代码示例来源：origin: es.gob.afirma/afirma-crypto-pdf-itext

java.awt.Image img = canvas.createImage(new MemoryImageSource(bitColumns, codeRows * h, pix, 0, bitColumns));
return img;

代码示例来源：origin: itext/itext7

java.awt.Image img = canvas.createImage(new java.awt.image.MemoryImageSource(bitColumns, codeRows * h, pix, 0, bitColumns));
return img;

代码示例来源：origin: com.github.librepdf/openpdf

java.awt.Image img = canvas.createImage(new MemoryImageSource(bitColumns, codeRows * h, pix, 0, bitColumns));
return img;

代码示例来源：origin: itext/itext7

/**
 * Creates a <CODE>java.awt.Image</CODE>. This image only
 * contains the bars without any text.
 *
 * @param foreground the color of the bars
 * @param background the color of the background
 * @return the image
 */
@Override
public Image createAwtImage(java.awt.Color foreground, java.awt.Color background) {
  int foregroundColor = (foreground == null) ? DEFAULT_BAR_FOREGROUND_COLOR.getRGB() : foreground.getRGB();
  int backgroundColor = (background == null) ? DEFAULT_BAR_BACKGROUND_COLOR.getRGB() : background.getRGB();
  java.awt.Canvas canvas = new java.awt.Canvas();
  String bCode = this.code;
  if (this.generateChecksum) {
    bCode = bCode + Integer.toString(getChecksum(this.code));
  }
  byte[] bars = getBarsMSI(bCode);
  int fullWidth = bars.length;
  int fullHeight = (int) this.barHeight;
  int[] pix = new int[fullWidth * fullHeight];
  for (int x = 0; x < bars.length; x++) {
    int color = (bars[x] == 1 ? foregroundColor : backgroundColor);
    for (int y = 0; y < fullHeight; y++) {
      int currentPixel = x + (y * fullWidth);
      pix[currentPixel] = color;
    }
  }
  return canvas.createImage(new java.awt.image.MemoryImageSource(fullWidth, fullHeight, pix, 0, fullWidth));
}

代码示例来源：origin: itext/itext7

System.arraycopy(pix, 0, pix, k, fullWidth);
return canvas.createImage(new java.awt.image.MemoryImageSource(fullWidth, height, pix, 0, fullWidth));

代码示例来源：origin: itext/itext7

System.arraycopy(pix, 0, pix, k, fullWidth);
return canvas.createImage(new java.awt.image.MemoryImageSource(fullWidth, height, pix, 0, fullWidth));

代码示例来源：origin: com.itextpdf/itextpdf

System.arraycopy(pix, 0, pix, k, fullWidth); 
java.awt.Image img = canvas.createImage(new java.awt.image.MemoryImageSource(fullWidth, height, pix, 0, fullWidth));

代码示例来源：origin: com.itextpdf/itextpdf

/** Creates a <CODE>java.awt.Image</CODE>.
 * @param foreground the color of the bars
 * @param background the color of the background
 * @return the image
 */
public java.awt.Image createAwtImage(java.awt.Color foreground, java.awt.Color background) {
  int f = foreground.getRGB();
  int g = background.getRGB();
  java.awt.Canvas canvas = new java.awt.Canvas();
  int width = bm.getWidth();
  int height = bm.getHeight();
  int pix[] = new int[width * height];
  byte[][] mt = bm.getArray();
  for (int y = 0; y < height; ++y) {
    byte[] line = mt[y];
    for (int x = 0; x < width; ++x) {
      pix[y * width + x] = line[x] == 0 ? f : g;
    }
  }
  java.awt.Image img = canvas.createImage(new java.awt.image.MemoryImageSource(width, height, pix, 0, width));
  return img;
}

代码示例来源：origin: com.github.librepdf/openpdf

System.arraycopy(pix, 0, pix, k, fullWidth); 
Image img = canvas.createImage(new MemoryImageSource(fullWidth, height, pix, 0, fullWidth));

代码示例来源：origin: es.gob.afirma/afirma-crypto-pdf-itext

System.arraycopy(pix, 0, pix, k, fullWidth); 
Image img = canvas.createImage(new MemoryImageSource(fullWidth, height, pix, 0, fullWidth));

代码示例来源：origin: com.github.librepdf/openpdf

System.arraycopy(pix, 0, pix, k, fullWidth); 
Image img = canvas.createImage(new MemoryImageSource(fullWidth, height, pix, 0, fullWidth));

代码示例来源：origin: com.itextpdf/itextpdf

System.arraycopy(pix, 0, pix, k, fullWidth); 
java.awt.Image img = canvas.createImage(new java.awt.image.MemoryImageSource(fullWidth, height, pix, 0, fullWidth));

代码示例来源：origin: itext/itext7

/**
 * Creates a <CODE>java.awt.Image</CODE>.
 *
 * @param foreground the color of the bars
 * @param background the color of the background
 * @return the image
 */
public java.awt.Image createAwtImage(java.awt.Color foreground, java.awt.Color background) {
  int f = foreground.getRGB();
  int g = background.getRGB();
  java.awt.Canvas canvas = new java.awt.Canvas();
  int width = bm.getWidth();
  int height = bm.getHeight();
  int[] pix = new int[width * height];
  byte[][] mt = bm.getArray();
  for (int y = 0; y < height; ++y) {
    byte[] line = mt[y];
    for (int x = 0; x < width; ++x) {
      pix[y * width + x] = line[x] == 0 ? f : g;
    }
  }
  java.awt.Image img = canvas.createImage(new java.awt.image.MemoryImageSource(width, height, pix, 0, width));
  return img;
}

代码示例来源：origin: com.itextpdf/itextpdf

System.arraycopy(pix, 0, pix, k, fullWidth); 
java.awt.Image img = canvas.createImage(new java.awt.image.MemoryImageSource(fullWidth, height, pix, 0, fullWidth));

代码示例来源：origin: es.gob.afirma/afirma-crypto-pdf-itext

System.arraycopy(pix, 0, pix, k, fullWidth); 
Image img = canvas.createImage(new MemoryImageSource(fullWidth, height, pix, 0, fullWidth));

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