?? type_gregionareaiterator.html
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<html><head><title>Generated Documentation</title></head><body> <image src="headerimage.png"> <br><br><table><tr><td><big><big><big style="font-family: arial;"><b>GRegionAreaIterator</b></big></big></big><br><br></td><td> The point (nSampleX, nSampleY) should be somewhere in the region The image pImage should be a region mask, such that all points in the same region have exactly the same pixel value. If it returns false, the current values are invalid and it's done. If it returns true, pX and pY will hold the coordinates of an interior border pixel. pDirection will be the direction to the edge. 0=right, 1=up, 2=left, 3=down.</td></tr></table><br><br></body></html>?? 快捷鍵說明
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