Abstract: Some embodiments provide a program that provides a graphical user interface (GUI). The GUI includes a display area for displaying an image that includes several pixels. Each pixel includes a set of color component values. The GUI includes a waveform monitor for displaying a graph that includes several graphical representations of the several pixels in the image. Each graphical representation is (1) plotted along a first axis of the graph based on a position of a corresponding pixel in the image and (2) plotted along a second axis of the graph based on the set of color component values of the corresponding pixel in the image. A color of each graphical representation is similar to a color of the corresponding pixel that is used for displaying the pixel in the display area.

Abstract: Some embodiments provide a program that performs a color balance operation. The program identifies an image that includes several pixels. Each pixel includes a luma component value and chroma component values. The program analyzes the luma component values of the pixels in the image to identify several luma ranges. The program determines, for each luma range in the several luma ranges, a set of transforms for modifying chroma component values of pixels in the image in order to remove a color cast from the image. The program applies the sets of transforms to the image to remove the color casts from the image.

Abstract: Some embodiments provide a program that performs a color balance operation. The program identifies an image that includes several pixels. Each pixel includes a luma component value and chroma component values. The program analyzes the luma component values of the pixels in the image to identify several luma ranges. The program determines, for each luma range in the several luma ranges, a set of transforms for modifying chroma component values of pixels in the image in order to remove a color cast from the image. The program applies the sets of transforms to the image to remove the color casts from the image.

Abstract: Some embodiments provide a program that provides a graphical user interface (GUI). The GUI includes a display area for displaying an image that includes several pixels. Each pixel includes a set of color component values. The GUI includes a waveform monitor for displaying a graph that includes several graphical representations of the several pixels in the image. Each graphical representation is (1) plotted along a first axis of the graph based on a position of a corresponding pixel in the image and (2) plotted along a second axis of the graph based on the set of color component values of the corresponding pixel in the image. A color of each graphical representation is similar to a color of the corresponding pixel that is used for displaying the pixel in the display area.

Abstract: Some embodiments provide a method of providing tools for a media-editing application. The method provides a first tool that, upon invocation for a first image, initiates an automated process that adjusts colors of pixel values of the first image based on analysis of the pixel values. The method provides a second tool that, upon selection of the first image and a second image, adjusts colors of the first image to match the colors of the second image.