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

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

代码示例来源：origin: itext/itext7

  1. /**
  2.  * Creates a <CODE>java.awt.Image</CODE>. A successful call to the method <CODE>generate()</CODE>
  3.  * before calling this method is required.
  4.  *
  5.  * @param foreground the color of the bars
  6.  * @param background the color of the background
  7.  * @return the image
  8.  */
  9. public java.awt.Image createAwtImage(java.awt.Color foreground, java.awt.Color background) {
  10.   if (image == null)
  11.     return null;
  12.   int f = foreground.getRGB();
  13.   int g = background.getRGB();
  14.   java.awt.Canvas canvas = new java.awt.Canvas();
  15.   int w = width + 2 * ws;
  16.   int h = height + 2 * ws;
  17.   int[] pix = new int[w * h];
  18.   int stride = (w + 7) / 8;
  19.   int ptr = 0;
  20.   for (int k = 0; k < h; ++k) {
  21.     int p = k * stride;
  22.     for (int j = 0; j < w; ++j) {
  23.       int b = image[p + j / 8] & 0xff;
  24.       b <<= j % 8;
  25.       pix[ptr++] = (b & 0x80) == 0 ? g : f;
  26.     }
  27.   }
  28.   java.awt.Image img = canvas.createImage(new java.awt.image.MemoryImageSource(w, h, pix, 0, w));
  29.   return img;
  30. }

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

  1. /**
  2.  * Creates a <CODE>java.awt.Image</CODE>. A successful call to the method <CODE>generate()</CODE>
  3.  * before calling this method is required.
  4.  * @param foreground the color of the bars
  5.  * @param background the color of the background
  6.  * @return the image
  7.  */    
  8. public java.awt.Image createAwtImage(Color foreground, Color background) {
  9.   if (image == null)
  10.     return null;
  11.   int f = foreground.getRGB();
  12.   int g = background.getRGB();
  13.   Canvas canvas = new Canvas();
  14.   int w = width + 2 * ws;
  15.   int h = height + 2 * ws;
  16.   int pix[] = new int[w * h];
  17.   int stride = (w + 7) / 8;
  18.   int ptr = 0;
  19.   for (int k = 0; k < h; ++k) {
  20.     int p = k * stride;
  21.     for (int j = 0; j < w; ++j) {
  22.       int b = image[p + (j / 8)] & 0xff;
  23.       b <<= j % 8;
  24.       pix[ptr++] = (b & 0x80) == 0 ? g : f;
  25.     }
  26.   }
  27.   java.awt.Image img = canvas.createImage(new MemoryImageSource(w, h, pix, 0, w));
  28.   return img;
  29. }

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

  1. /**
  2.  * Creates a <CODE>java.awt.Image</CODE>. A successful call to the method <CODE>generate()</CODE>
  3.  * before calling this method is required.
  4.  * @param foreground the color of the bars
  5.  * @param background the color of the background
  6.  * @return the image
  7.  */    
  8. public java.awt.Image createAwtImage(Color foreground, Color background) {
  9.   if (image == null)
  10.     return null;
  11.   int f = foreground.getRGB();
  12.   int g = background.getRGB();
  13.   Canvas canvas = new Canvas();
  14.   int w = width + 2 * ws;
  15.   int h = height + 2 * ws;
  16.   int[] pix = new int[w * h];
  17.   int stride = (w + 7) / 8;
  18.   int ptr = 0;
  19.   for (int k = 0; k < h; ++k) {
  20.     int p = k * stride;
  21.     for (int j = 0; j < w; ++j) {
  22.       int b = image[p + (j / 8)] & 0xff;
  23.       b <<= j % 8;
  24.       pix[ptr++] = (b & 0x80) == 0 ? g : f;
  25.     }
  26.   }
  27.   java.awt.Image img = canvas.createImage(new MemoryImageSource(w, h, pix, 0, w));
  28.   return img;
  29. }

代码示例来源：origin: com.itextpdf/itextpdf

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

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

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

代码示例来源：origin: itext/itext7

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

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

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

代码示例来源：origin: itext/itext7

  1. /**
  2.  * Creates a <CODE>java.awt.Image</CODE>. This image only
  3.  * contains the bars without any text.
  4.  *
  5.  * @param foreground the color of the bars
  6.  * @param background the color of the background
  7.  * @return the image
  8.  */
  9. @Override
  10. public Image createAwtImage(java.awt.Color foreground, java.awt.Color background) {
  11.   int foregroundColor = (foreground == null) ? DEFAULT_BAR_FOREGROUND_COLOR.getRGB() : foreground.getRGB();
  12.   int backgroundColor = (background == null) ? DEFAULT_BAR_BACKGROUND_COLOR.getRGB() : background.getRGB();
  13.   java.awt.Canvas canvas = new java.awt.Canvas();
  14.   String bCode = this.code;
  15.   if (this.generateChecksum) {
  16.     bCode = bCode + Integer.toString(getChecksum(this.code));
  17.   }
  18.   byte[] bars = getBarsMSI(bCode);
  19.   int fullWidth = bars.length;
  20.   int fullHeight = (int) this.barHeight;
  21.   int[] pix = new int[fullWidth * fullHeight];
  22.   for (int x = 0; x < bars.length; x++) {
  23.     int color = (bars[x] == 1 ? foregroundColor : backgroundColor);
  24.     for (int y = 0; y < fullHeight; y++) {
  25.       int currentPixel = x + (y * fullWidth);
  26.       pix[currentPixel] = color;
  27.     }
  28.   }
  29.   return canvas.createImage(new java.awt.image.MemoryImageSource(fullWidth, fullHeight, pix, 0, fullWidth));
  30. }

代码示例来源：origin: itext/itext7

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

代码示例来源：origin: itext/itext7

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

代码示例来源：origin: com.itextpdf/itextpdf

  1. System.arraycopy(pix, 0, pix, k, fullWidth); 
  2. 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

  1. /** Creates a <CODE>java.awt.Image</CODE>.
  2.  * @param foreground the color of the bars
  3.  * @param background the color of the background
  4.  * @return the image
  5.  */
  6. public java.awt.Image createAwtImage(java.awt.Color foreground, java.awt.Color background) {
  7.   int f = foreground.getRGB();
  8.   int g = background.getRGB();
  9.   java.awt.Canvas canvas = new java.awt.Canvas();
  10.   int width = bm.getWidth();
  11.   int height = bm.getHeight();
  12.   int pix[] = new int[width * height];
  13.   byte[][] mt = bm.getArray();
  14.   for (int y = 0; y < height; ++y) {
  15.     byte[] line = mt[y];
  16.     for (int x = 0; x < width; ++x) {
  17.       pix[y * width + x] = line[x] == 0 ? f : g;
  18.     }
  19.   }
  20.   java.awt.Image img = canvas.createImage(new java.awt.image.MemoryImageSource(width, height, pix, 0, width));
  21.   return img;
  22. }

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

  1. System.arraycopy(pix, 0, pix, k, fullWidth); 
  2. 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

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

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

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

代码示例来源：origin: com.itextpdf/itextpdf

  1. System.arraycopy(pix, 0, pix, k, fullWidth); 
  2. 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

  1. /**
  2.  * Creates a <CODE>java.awt.Image</CODE>.
  3.  *
  4.  * @param foreground the color of the bars
  5.  * @param background the color of the background
  6.  * @return the image
  7.  */
  8. public java.awt.Image createAwtImage(java.awt.Color foreground, java.awt.Color background) {
  9.   int f = foreground.getRGB();
  10.   int g = background.getRGB();
  11.   java.awt.Canvas canvas = new java.awt.Canvas();
  12.   int width = bm.getWidth();
  13.   int height = bm.getHeight();
  14.   int[] pix = new int[width * height];
  15.   byte[][] mt = bm.getArray();
  16.   for (int y = 0; y < height; ++y) {
  17.     byte[] line = mt[y];
  18.     for (int x = 0; x < width; ++x) {
  19.       pix[y * width + x] = line[x] == 0 ? f : g;
  20.     }
  21.   }
  22.   java.awt.Image img = canvas.createImage(new java.awt.image.MemoryImageSource(width, height, pix, 0, width));
  23.   return img;
  24. }

代码示例来源：origin: com.itextpdf/itextpdf

  1. System.arraycopy(pix, 0, pix, k, fullWidth); 
  2. 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

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

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