Tiles Info PLIST and option to skip transparent tiles & CMDLineTool

NSBitmapImageRep-Tile.h

@@ -10,7 +10,33 @@
 
 
 @interface NSBitmapImageRep(Tile)
--(NSImage *)subImageWithTileWidth:(CGFloat)tileWidth tileHeight:(CGFloat)tileHeight column:(NSUInteger)column row:(NSUInteger)row;
+
+-(NSImage *)subImageWithTileWidth:(CGFloat)tileWidth 
+					   tileHeight:(CGFloat)tileHeight 
+						   column:(NSUInteger)column 
+							  row:(NSUInteger)row;
+
+// Same as previous, but if rigid = YES - adds black pixels to fill 
+// all tileWidthxtileHeight zone, if there's no enough pixels in image
+-(NSImage *)subImageWithTileWidth:(CGFloat)tileWidth 
+					   tileHeight:(CGFloat)tileHeight 
+						   column:(NSUInteger)column 
+							  row:(NSUInteger)row
+						rigidSize:(BOOL) rigid;
+
+/** Designated method.
+ *
+ * @param potSize If YES - tile width & height will be rounded to nearest POT value, larger then existing. 
+ * potSize have no effect if rigidSize is YES.
+ *
+ */
+-(NSImage *)subImageWithTileWidth:(CGFloat)tileWidth 
+					   tileHeight:(CGFloat)tileHeight 
+						   column:(NSUInteger)column 
+							  row:(NSUInteger)row
+						rigidSize:(BOOL) rigid
+						  POTSize:(BOOL) potSize;
+
 -(NSUInteger)columnsWithTileWidth:(CGFloat)tileWidth;
 -(NSUInteger)rowsWithTileHeight:(CGFloat)tileHeight;
 

NSBitmapImageRep-Tile.m

@@ -10,7 +10,29 @@
 
 
 @implementation NSBitmapImageRep(Tile)
--(NSImage *)subImageWithTileWidth:(CGFloat)tileWidth tileHeight:(CGFloat)tileHeight column:(NSUInteger)column row:(NSUInteger)row
+-(NSImage *)subImageWithTileWidth:(CGFloat)tileWidth 
+					   tileHeight:(CGFloat)tileHeight 
+						   column:(NSUInteger)column 
+							  row:(NSUInteger)row
+{
+	return [self subImageWithTileWidth:tileWidth tileHeight:tileHeight column: column row:row rigidSize: NO POTSize: NO];
+}
+
+-(NSImage *)subImageWithTileWidth:(CGFloat)tileWidth 
+					   tileHeight:(CGFloat)tileHeight 
+						   column:(NSUInteger)column 
+							  row:(NSUInteger)row
+						rigidSize:(BOOL) rigid
+{
+	return [self subImageWithTileWidth:tileWidth tileHeight:tileHeight column: column row:row rigidSize: NO POTSize: NO];
+}
+
+-(NSImage *)subImageWithTileWidth:(CGFloat)tileWidth 
+					   tileHeight:(CGFloat)tileHeight 
+						   column:(NSUInteger)column 
+							  row:(NSUInteger)row
+						rigidSize:(BOOL) rigid
+						  POTSize:(BOOL) potSize
 {
     int width = [self pixelsWide];
     int height = [self pixelsHigh];
@@ -25,10 +47,13 @@ -(NSImage *)subImageWithTileWidth:(CGFloat)tileWidth tileHeight:(CGFloat)tileHei
     int lastCol;
     int outputWidth;
 
-    if (theCol + tileWidth > width) // last column, not full size
+    if ( !rigid && (theCol + tileWidth > width) ) // last column, not full size
     {
         lastCol = width;
         outputWidth = (width - theCol);
+
+		if (potSize)
+			outputWidth = (int)pow( 2, ceil(log2((double)outputWidth)));
     }
     else
     {
@@ -37,11 +62,13 @@ -(NSImage *)subImageWithTileWidth:(CGFloat)tileWidth tileHeight:(CGFloat)tileHei
     }
 
     int lastRow, outputHeight;
-    if (theRow + tileHeight > height)
+    if ( !rigid && (theRow + tileHeight > height) )
     {
         lastRow = height;
         outputHeight = (height - theRow);
-
+
+		if (potSize)
+			outputHeight = (int)pow( 2, ceil(log2((double)outputHeight)));        
     }
     else
     {
@@ -74,8 +101,19 @@ -(NSImage *)subImageWithTileWidth:(CGFloat)tileWidth tileHeight:(CGFloat)tileHei
         {
             p1 = srcData + bytesPerPixel * (y * width + x);
             p2 = destData + bytesPerPixel * ((y - theRow) * width + (x - theCol));
-            for (i = 0; i < bytesPerPixel; i++)
-                p2[i] = p1[i];
+
+			if ( x >= width || y >= height)
+			{
+				// fill with zeroes pixels outside self.size
+				for (i = 0; i < bytesPerPixel; i++)
+					p2[i] = 0;
+			}
+			else
+			{
+				// copy pixels as usual
+				for (i = 0; i < bytesPerPixel; i++)
+					p2[i] = p1[i];
+			}
         }
     }
 

README.md

@@ -0,0 +1,28 @@
+Tile-Cutter (by Jeff LaMarche)
+=================
+
+Tile Cutter is an open source under the non-viral MIT license.    
+Tile Cutter will take a large image and split it up into smaller tiles. I created this for use in a CATiledLayer-backed view for an iPad application, but it could be used for a number of other purposes.
+
+
+This Fork (by Stepan Generalov)
+================
+
+In this fork of Tile Cutter there was added some things:
+
+1. Plist file, that have info about tiles position and source image size.
+2. Skipping of absolutely transparent tiles
+3. Command Line Tool
+4. Rigid Tile Size (can be useful if you need fixed tile size, even if image don't fit)
+
+
+There's some minor issues in this fork, that i probably will not fix, cause everything is working fine for me now:
+
+1. You can't choose other than PNG file type in commandLine tool.
+2. You can't set suffix in GUI.
+3. There's no progressBar in commandLine tool. Here's a link, that maybe can help you with implementing non-duplicating progress bar: http://en.wikipedia.org/wiki/ANSI_escape_code
+4. rigidTilesSize option is available only in commandLine tool. (It allows you to have all tiles with equal size with black pixels that is out of image area)
+
+If you're using Tile-Cutter and experiencing some issues - feel free to open new Issues or Pull Requests in this Repo.
+
+