scaledBufferedImageFromBWIntegralImage [1033302]

< > BotCompany Repo | #1033302 // scaledBufferedImageFromBWIntegralImage

JavaX fragment (include) [tags: use-pretranspiled]

static BufferedImage scaledBufferedImageFromBWIntegralImage(int w, BWIntegralImage img) {
  ret scaledBufferedImageFromBWIntegralImage(img, w);
}

static BufferedImage scaledBufferedImageFromBWIntegralImage(BWIntegralImage img, int w, int h default heightForWidth(img.w, img.h, w)) {
  int w1 = img.w, h1 = img.h;
  int[] pixels = new[w*h];
  int i = 0;
  for y to h:
    for x to w: {
      // TODO: optimize
      int x1 = x*w1/w, x2 = max(x1+1, (x+1)*w1/w);
      int y1 = y*h1/h, y2 = max(y1+1, (y+1)*h1/h);
      int pixel = iround(img.getPixelAverage(x1, y1, x2, y2));
      pixels[i++] = brightnessToRGBA(pixel);
    }
  ret bufferedImage(w, h, pixels);
}

Author comment

Began life as a copy of #1019597

Travelled to 3 computer(s): bhatertpkbcr, mowyntqkapby, mqqgnosmbjvj

Snippet ID:

#1033302

Snippet name:

scaledBufferedImageFromBWIntegralImage

Eternal ID of this version:

#1033302/9

Text MD5:

5c728efb2105c4e8a978330c77e2c443

Transpilation MD5:

2f3a6f5340b06690ee4d52d437aa7922

Author:

stefan

Category:

javax / imaging

Type:

JavaX fragment (include)

Public (visible to everyone):

Yes

Archived (hidden from active list):

Created/modified:

2021-10-27 15:36:41

Source code size:

679 bytes / 18 lines

Pitched / IR pitched:

No / No

Views / Downloads:

209 / 303

Version history:

8 change(s)

Referenced in:

[show references]

1	static BufferedImage scaledBufferedImageFromBWIntegralImage(int w, BWIntegralImage img) {
2	ret scaledBufferedImageFromBWIntegralImage(img, w);
3	}
4
5	static BufferedImage scaledBufferedImageFromBWIntegralImage(BWIntegralImage img, int w, int h default heightForWidth(img.w, img.h, w)) {
6	int w1 = img.w, h1 = img.h;
7	int[] pixels = new[w*h];
8	int i = 0;
9	for y to h:
10	for x to w: {
11	// TODO: optimize
12	int x1 = xw1/w, x2 = max(x1+1, (x+1)w1/w);
13	int y1 = yh1/h, y2 = max(y1+1, (y+1)h1/h);
14	int pixel = iround(img.getPixelAverage(x1, y1, x2, y2));
15	pixels[i++] = brightnessToRGBA(pixel);
16	}
17	ret bufferedImage(w, h, pixels);
18	}