330 lines
8.9 KiB
Groff
330 lines
8.9 KiB
Groff
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<title>tint() | reference | Processing.js</title>
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<span class="tagline">a port of the Processing Visualization Language</span>
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<table cellpadding="0" cellspacing="0" border="0" class="ref-item">
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<tr class="name-row">
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<th scope="row">Name</th>
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<td><h3>tint()</h3></td>
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</tr>
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<tr class="">
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<th scope="row">Examples</th>
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<td><div class="example"><img src="tint_.jpg" alt="example pic" /><pre class="margin">
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// @pjs preload must be used to preload the image
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/* @pjs preload="laDefense.jpg"; */
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PImage b;
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b = loadImage("laDefense.jpg");
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image(b, 0, 0);
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// Tint blue
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tint(0, 153, 204);
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image(b, 50, 0);</pre></div><div class="example"><img src="tint_2.jpg" alt="example pic" /><pre class="margin">
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// @pjs preload must be used to preload the image
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/* @pjs preload="laDefense.jpg"; */
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PImage b;
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b = loadImage("laDefense.jpg");
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image(b, 0, 0);
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// Tint blue and set transparency
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tint(0, 153, 204, 126);
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image(b, 50, 0);</pre></div></td>
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</tr>
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<tr class="">
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<th scope="row">Description</th>
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<td>Sets the fill value for displaying images. Images can be tinted to specified colors or made transparent by setting the alpha.
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<br /><br />
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To make an image transparent, but not change it's color, use white as the tint color and specify an alpha value. For instance, tint(255, 128) will make an image 50% transparent (unless <b>colorMode()</b> has been used).
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<br /><br />
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When using hexadecimal notation to specify a color, use "#" or "0x" before the values (e.g. #CCFFAA, 0xFFCCFFAA). The # syntax uses six digits to specify a color (the way colors are specified in HTML and CSS). When using the hexadecimal notation starting with "0x", the hexadecimal value must be specified with eight characters; the first two characters define the alpha component and the remainder the red, green, and blue components.
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<br /><br />
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The value for the parameter "gray" must be less than or equal to the current maximum value as specified by <b>colorMode()</b>. The default maximum value is 255.
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<br /><br />
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The tint() method is also used to control the coloring of textures in 3D.</td>
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</tr>
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<tr class="">
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<th scope="row">Syntax</th>
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<td><pre>tint(<kbd>gray</kbd>)
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tint(<kbd>gray</kbd>, <kbd>alpha</kbd>)
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tint(<kbd>value1</kbd>, <kbd>value2</kbd>, <kbd>value3</kbd>)
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tint(<kbd>value1</kbd>, <kbd>value2</kbd>, <kbd>value3</kbd>, <kbd>alpha</kbd>)
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tint(<kbd>color</kbd>)
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tint(<kbd>color</kbd>, <kbd>alpha</kbd>)
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tint(<kbd>hex</kbd>)
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tint(<kbd>hex</kbd>, <kbd>alpha</kbd>)</pre></td>
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</tr>
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<tr class="">
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<th scope="row">Parameters</th>
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<td><table cellpadding="0" cellspacing="0" border="0">
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<tr class="">
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<th scope="row">gray</th>
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<td>int or float: any valid number</td>
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</tr>
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<tr class="">
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<th scope="row">alpha</th>
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<td>int or float: opacity of the image</td>
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</tr>
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<tr class="">
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<th scope="row">value1</th>
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<td>int or float: red or hue value</td>
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</tr>
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<tr class="">
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<th scope="row">value2</th>
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<td>int or float: green or saturation value</td>
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</tr>
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<tr class="">
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<th scope="row">value3</th>
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<td>int or float: blue or brightness value</td>
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</tr>
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<tr class="">
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<th scope="row">color</th>
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<td>color: any value of the color datatype</td>
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</tr>
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<tr class="">
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<th scope="row">hex</th>
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<td>int: color value in hexadecimal notation (i.e. #FFCC00 or 0xFFFFCC00)</td>
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</tr>
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</table></td>
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</tr>
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<tr class="">
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<th scope="row">Usage</th>
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<td>Web & Application</td>
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</tr>
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<tr class="">
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<th scope="row">Related</th>
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<td><a href="noTint_.1">noTint()</a>
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<br /><a href="image_.1">image()</a><br /></td>
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</tr>
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</table>
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<p>This reference is licensed under the CC BY-NC-SA 2.0 license:</p>
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Processing is an open visualization language developed by
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and originally ported to Javascript by
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