Loop optimisation

mhugent · mhugent · commit 9ae2f59049d1 · 2012-12-12T08:12:25.000+01:00
diff --git a/src/core/raster/qgspalettedrasterrenderer.cpp b/src/core/raster/qgspalettedrasterrenderer.cpp
@@ -173,7 +173,8 @@ QgsRasterBlock * QgsPalettedRasterRenderer::block( int bandNo, QgsRectangle  con
 
   unsigned int* outputData = ( unsigned int* )( outputBlock->data() );
 
-  for ( size_t i = 0; i < ( size_t )width*height; i++ )
+  size_t rasterSize = ( size_t )width * height;
+  for ( size_t i = 0; i < rasterSize; ++i )
   {
     int val = ( int ) inputBlock->value( i );
     if ( inputBlock->isNoDataValue( val ) )

Original file line number	Diff line number	Diff line change
`@@ -173,7 +173,8 @@ QgsRasterBlock * QgsPalettedRasterRenderer::block( int bandNo, QgsRectangle con`
`173`	`173`
`174`	`174`	`unsigned int* outputData = ( unsigned int* )( outputBlock->data() );`
`175`	`175`
`176`		`- for ( size_t i = 0; i < ( size_t )width*height; i++ )`
	`176`	`+ size_t rasterSize = ( size_t )width * height;`
	`177`	`+ for ( size_t i = 0; i < rasterSize; ++i )`
`177`	`178`	`{`
`178`	`179`	`int val = ( int ) inputBlock->value( i );`
`179`	`180`	`if ( inputBlock->isNoDataValue( val ) )`