Prevent negative values in DMAFillRect (#5308)

2017-10-29 16:28:51 +01:00
parent b4cf7315a5
commit 9a95b47c96
1 changed files with 1 additions and 1 deletions
@@ -216,7 +216,7 @@ class BitmapBuffer: public BitmapBufferBase<uint16_t>
      if (!data || h==0 || w==0) return;
      if (h<0) { y+=h; h=-h; }
      if (w<0) { x+=w; w=-w; }
-      DMAFillRect(data, width, height, x, y, w, h, lcdColorTable[COLOR_IDX(flags)]);
+      DMAFillRect(data, width, height, (x>0)?x:0, (y>0)?y:0, w, h, lcdColorTable[COLOR_IDX(flags)]);
    }

    void drawFilledRect(coord_t x, coord_t y, coord_t w, coord_t h, uint8_t pat, LcdFlags att);