![]() On the thumbnail in the figure, notice that the cropped selection is highlighted with an inner rectangle. Instead, in the Crop dialog, specify how far from the top, bottom, left and right borders the crop should be, as illustrated below. It is not possible to use the mouse to select the area to be cropped, as you can in Draw. so it may be a better choice to use a graphics package.Ĭlick the Crop icon to open a dialog where you can select which portion of the image you want to remove. The user interface in Calc for cropping an image is not very friendly. When you are only interested in a section of the image for the purpose of your document, you may wish to crop (cut off) parts of it. The Line, Area, and Shadow icons opens dialogs where you can customize them. This is particularly useful when creating a watermark or when wrapping the image in the background. Modify the percentage value in the Transparency box on the Picture toolbar to make the image more transparent. Use the Color toolbar to adjust an image’s red, green, and blue channels independently, as well as its brightness, contrast and gamma. While this might be acceptable for use in simple documents, it is still recommended that dedicated photo or image editing software be used to perform anything but the simplest of manipulations. Successive transformations result in less and less original data remaining, thus compromising the quality of the inserted picture. ![]() The picture filters used in Calc utilize what is known as a Destructive Editing algorithm, whereby each filter is applied to the image immediately, changing the original data of the image. The larger the individual rectangles are, the fewer details the graphic image has.Īpplying OOo picture filters to any image consecutively will progressively degrade the quality of the image. Joins small groups of pixels into rectangular areas of the same color. The position of the imaginary light source that determines the type of shadow can be chosen. It makes photos look like paintings.Īpplies a Charcoal Sketch look to the image.ĭisplays a dialog for creating reliefs. This effect is based on the reduction of the number of colors. Opens a dialog to determine the number of poster colors. Reverses a portion of the tones, then produces pronounced outlines of the highlights. Inverts the colors in the picture like a negative.Īpplies a Gaussian Blur to the image which softens edges. Table 3: Graphic filters and their effects Icon To "tear off" this toolbar and place it anywhere on the screen, click on the three parallel lines and drag it away. Makes the picture into a watermark that blends into the background.Ĭlick the Filter icon to display the Graphic Filter toolbar, which provides options for applying basic photographic and effect filters to images from within Calc. Shows the picture in gradual shades of gray.Ĭonverts the picture into a monochromatic black and white image. Keeps the picture the same as it was inserted. You can change color images to grayscale by selecting the image and then selecting Grayscale from the Graphics mode list. If two or more pictures are selected, adjusts the horizontal and vertical alignment of the pictures in relation to each other. Pushes the selected image to the rear of the stack.Īllows image to float in the foreground or makes it part of the background (behind the cells). Toggles between anchoring the image to the cell or to the page.īrings the selected image to the front of the stack. Opens the Crop dialog, where you can remove a selected part of the picture. Sets the transparency of the selected image.Īdjusts the border style of the selected image.įills an area with the selected color or pattern.Īdds a drop shadow to the edges of the picture. The drop-down list reveals several color modes. Use of this icon is described in Inserting an image from a file. Table 1: Picture toolbar functions (from left to right) Icon ![]() Two other toolbars can be opened from this one: the Graphic Filter toolbar, which can be torn off and placed elsewhere on the window, and the Color toolbar, which opens as a separate floating toolbar.įrom these toolbars, you can apply small corrections to the graphic or obtain special effects. A more detailed exploration is provided in the Draw Guide. A brief explanation of the function of the tools is given in Table 1. Figure 4 shows what the Picture toolbar looks like when it is floating. This toolbar can be either floating or docked. See Setting Up and Customizing Calc for more information. Picture control buttons from the Picture toolbar can also be added to the Standard Toolbar. You can set it to always be present ( View > Toolbars > Picture). When you insert an image or select one already present in the document, the Picture toolbar appears.
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