button.Color Hints provides some simple tools for adjusting the white balance and brightness of photographs. Tapping on an area of pure white (or 18% gray) will adjust for white balance using that point as a color reference. This will remove color casts from artificial lighting or reflections of color from nearby objects.
Swatch Before Adjustment
Either tapping the
Adjusting photographs
In this sample photograph, there is a greenish cast to the coat. Fortunately, a gray card was placed in the image. Adjust the white balance by tapping on the photograph where the white, or this case, the gray card is.
After White Balance Adjustment
The adjusted image now looks much more like the actual coat. But the gray card is still in the image. Fortunately that can be cropped out by tapping the button.
Cropping the Photograph
Drag the crop buttons to position the crop rectangle to eliminate unwanted portions of the photograph. The center button can be used to drag the crop rectangle around. Pinch and pan gestures can be used to zoom and pan around on the photograph. Once the crop rectangle is set where you want it, tap the
After White Balance Adjustment and Cropping
When you are satisfied with the adjustments, tap the
Swatch After Adjustments