shithub: riscv

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paint: limit zoom to 12 steps

--- a/sys/src/cmd/paint.c

+++ b/sys/src/cmd/paint.c

@@ -677,10 +677,12 @@

 				center();

 				break;

 			case '+':

-				setzoom(e.mouse.xy, zoom*2);

+				if(zoom < 0x1000)

+					setzoom(e.mouse.xy, zoom*2);

 				break;

 			case '-':

-				setzoom(e.mouse.xy, zoom/2);

+				if(zoom > 1)

+					setzoom(e.mouse.xy, zoom/2);

 				break;

 			case 'c':

 				if(canvas == nil)