Transpiled version (11240L) is out of date.
sclass HashedImage2B is IBinaryImage, MakesImage2B { Image2B image; // don't change this afterwards... long hash; bool hashComputed; *(BufferedImage image) { this(new Image2B(image)); } *(Image2B *image) { assertNotNull(image); } long hash() { while (!hashComputed) { synchronized { if (!hashComputed) { hash = hashBinaryImage(image); set hashComputed; } } } ret hash; } equals HashedImage2B o { if (hash() != o.hash()) false; if (!binaryImagesIdentical(image, o.image)) { reportHashCollision(this, o); false; } true; } public int hashCode() { ret (int) hash(); } public Image2B get aka getImage2B() { ret image; } public int getWidth() { ret image.getWidth(); } public int getHeight() { ret image.getHeight(); } public BufferedImage getBufferedImage() { ret image.getBufferedImage(); } // check that Image2B wasn't modified void verify { if (hash != 0) assertEquals(hash, hashBinaryImage(image)); } S classNameForPrinting() { ret cnfp(this, selfType.class, "HashedImage2B"; } toString { ret formatFunctionCall(classNameForPrinting(), w() + "*" + h() + "px", "hash " + longToHex(hash())); } // implement IBinaryImage public bool getBoolPixel(int x, int y) { ret image.getBoolPixel(x, y); } }
Began life as a copy of #1034818
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Snippet ID: | #1035844 |
Snippet name: | HashedImage2B - immutable Image2B with 64 bit contents hash. untested |
Eternal ID of this version: | #1035844/4 |
Text MD5: | 3aa6fab80b8e0dfaceb89f778c4e5948 |
Author: | stefan |
Category: | javax / imaging |
Type: | JavaX fragment (include) |
Public (visible to everyone): | Yes |
Archived (hidden from active list): | No |
Created/modified: | 2022-08-02 20:58:08 |
Source code size: | 1425 bytes / 53 lines |
Pitched / IR pitched: | No / No |
Views / Downloads: | 103 / 163 |
Version history: | 3 change(s) |
Referenced in: | [show references] |