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.Asyou experiment with settings, the transparency effect previews in the image window.To change the transparency of an object1 Select an object.2 In the Objects Docker window/palette, type a value in the Opacity box.If the Objects Docker window/palette is not open, click Window Dockers /Palettes Objects.Transparent objects have a grayscale value of 0, and opaque objects have agrayscale value of 255.The Opacity box is not available for black-and-white (1-bit) images.Modifying objects 207 To change the transparency of part of an object1 Select an object.2 Open the Interactive/Transparency flyout , and click the Objecttransparency brush tool.3 On the property bar, open the Shape picker, and click a shape.4 Type a value in the Size box.5 Type a value in the Brush transparency box to set the transparency level for thebrush stroke.6 Drag across the object.To apply a transparency gradient to an object1 Select an object.2 Open the Interactive/Transparency flyout , and click the Interactiveobject transparency tool.3 On the property bar, choose a gradient type from the Fill type list box.4 In the image window, drag the nodes to set the gradient arrow.5 Click a node, and type a value in the Node transparency box on the extendedproperty bar.6 Click the Apply button.You can alsoModify the fill Click the Edit button on the property bar,and modify the fill settings.Add a node Drag a color swatch from the color paletteto the gradient arrow in the image window.Then type a grayscale value (0 to 255) inthe Node transparency box to specify thetransparency for the node.Delete a node Right-click (Windows) or Control + click(Mac OS) a node, and click Delete.208 Corel PHOTO-PAINT User Guide For information about editing fills, see Filling images on page 163.Because the bitmap, texture, and flat gradient types affect an entire object,you cannot add nodes to customize their transparency values.To make selected colors in an object transparent1 Select an object.2 Open the Interactive/Transparency flyout , and click the Colortransparency tool.3 Type a value in the Tolerance control box on the property bar to specify the rangeof colors that will become transparent.If you want to blend the surrounding colors with the transparent pixels, type avalue in the Smoothing box.Higher values create a smoother transition.4 Click a color in the image window.To blend an object1 Select an object.2 In the Objects Docker window/palette, click the flyout arrow and click Objectproperties.If the Objects Docker window/palette is not open, click Window Dockers /Palettes Objects.3 In the Object properties dialog box, click the General tab.4 Choose the channel you want to blend from the Blend list box.5 On the Active object graph and the Composite underlying graph, drag any ofthe following nodes:Increasing maximum (top left node) specifies the upper maximumgrayscale value of the pixels in the objectIncreasing minimum (bottom left node) specifies the upper minimumgrayscale value of the pixels in the objectDecreasing maximum (top right node) specifies the lower maximumgrayscale value of the pixels in the objectDecreasing minimum (bottom right node) specifies the lower minimumgrayscale value of the pixels in the objectModifying objects 209 You can alsoChoose a blending method Click a merge mode in the Merge box.Adjust the opacity Drag the Opacity slider.The boxes to the right of the Blend list box display the grayscale andtransparency values of the selected object s pixels.You can specify the grayscale values of pixels on a scale of 0 (black) to 255(white), and the opacity of pixels on a scale of 0 (transparent) to 100(opaque).Pixels in the active object that fall outside the specified range arehidden, so the pixels of the underlying object are visible.From hereFor more information about (Windows) In the Help index, see.(Mac OS) In the Help Viewer, type.Removing black or white edges from an objects, changing edgesobjectChanging the object marquee object marquee, customizingUsing clip masks to change object transparency, using clip maskstransparency210 Corel PHOTO-PAINT User Guide Creating images for the Web 22Corel PHOTO-PAINT gives you the tools you need to create images for the WorldWide Web.In this section, you ll learn aboutexporting and optimizing images for the Webcreating images with transparent backgroundscreating image mapsslicing imagescreating and editing rolloversExporting and optimizing images for the WebIn Corel PHOTO-PAINT, you can export and optimize images for the Web.Exporting imagesBefore you use an image on the Web, you must export it to a Web-compatible fileformat, such as the GIF or JPEG format.The GIF file format is best for linedrawings, text, and images with sharp edges or few colors, while the JPEG file formatis suitable for photos.For information about these file formats and alternatives, see Choosing a Web-compatible file format in the Help.Optimizing imagesYou can also optimize an image for the Web before you export it to adjust its displayquality and file size.In Corel PHOTO-PAINT, you can preview an image with up tofour different configurations of settings [ Pobierz całość w formacie PDF ]