Diff of pike.git/src/modules/Image/colors.c (4d21f94e442b892e836eb491b85935c837256514 » 7428424bd84f1187c6345b54a8c4eebcf017d98f)

pike.git/src/modules/Image/colors.c:1: /* **! module Image **! note - **! $Id: colors.c,v 1.3 1999/01/24 00:47:33 mirar Exp $ + **! $Id: colors.c,v 1.4 1999/01/24 01:14:19 mirar Exp $ **! submodule color **! **! This module keeps names and easy handling **! for easy color support. It gives you an easy **! way to get colors from names. **! **! A color is here an object, containing color **! information and methods for conversion, see below. **! **! <ref>Image.color</ref> can be called to make a color object.
pike.git/src/modules/Image/colors.c:37: **! <ref>Image.color.rgb</ref>(). **! **! The <tt>hex_name</tt> form is a simple **! <tt>#rrggbb</tt> form, as in HTML or X-program argument. **! A shorter form (<tt>#rgb</tt>) is also accepted. This **! is the inverse to the <ref>Image.color.color->hex</ref>() **! method. **! **! The prefix_string method is a form for getting modified **! colors, it understands all modifiers - **! (<ref to=Image.color.color->light>light</ref>, - **! <ref to=Image.color.color->dark>dark</ref>, - **! <ref to=Image.color.color->bright>bright</ref>, - **! <ref to=Image.color.color->dull>dull</ref> and - **! <ref to=Image.color.color->neon>neon</ref>). Simply use - **! <method><color> (as in <tt>lightgreen</tt>, + **! (<link to=Image.color.color.light>light</link>, + **! <link to=Image.color.color.dark>dark</link>, + **! <link to=Image.color.color.bright>bright</link>, + **! <link to=Image.color.color.dull>dull</link> and + **! <link to=Image.color.color.neon>neon</link>). Simply use + **! "method"+"color"; (as in <tt>lightgreen</tt>, **! <tt>dullmagenta</tt>, <tt>lightdullorange</tt>). **! **! see also: Image.color.color->name, Image.color.color->rgb **! **! added: **! pike 0.7 **! **! note: **! <tt>Image.color["something"]</tt> will never(!) generate an error, **! but a zero_type 0, if the color is unknown. This is enough
pike.git/src/modules/Image/colors.c:79: **! This is the color object. It has six readable variables, **! <tt>r</tt>, <tt>g</tt>, <tt>b</tt>, for the red, **! green and blue values, **! and <tt>h</tt>, <tt>s</tt>, <tt>v</tt>, for **! the hue, saturation anv value values. */ #include "global.h" #include <config.h> - RCSID("$Id: colors.c,v 1.3 1999/01/24 00:47:33 mirar Exp $"); + RCSID("$Id: colors.c,v 1.4 1999/01/24 01:14:19 mirar Exp $"); #include "config.h" #include <math.h> #include "stralloc.h" #include "pike_macros.h" #include "object.h" #include "constants.h" #include "interpret.h"
pike.git/src/modules/Image/colors.c:702: **! method object light() **! method object dark() **! method object neon() **! method object bright() **! method object dull() **! Color modification methods. These returns **! a new color. **! <table> **! <tr><th>method</th><th width=50%>effect</th> **! <th>h</th><th>s</th><th>v</th><th>as</th></tr> - **! <tr><td>light </td><td>raise light level</td><td>±0</td><td> ±0</td> + **! <tr><td>light </td><td>raise light level</td><td>±0</td><td> ±0</td><td>+50</td> **! <td><illustration>return Image.image(20,20,@(array)Image.color["#693e3e"])</illustration> **! <illustration>return Image.image(20,20,@(array)Image.color["#693e3e"]->light())</illustration> **! <illustration>return Image.image(20,20,@(array)Image.color["#693e3e"]->light()->light())</illustration> **! <illustration>return Image.image(20,20,@(array)Image.color["#693e3e"]->light()->light()->light())</illustration></td></tr> **! - **! <tr><td>dark </td><td>lower light level</td><td>±0</td><td> ±0</td> + **! <tr><td>dark </td><td>lower light level</td><td>±0</td><td> ±0</td><td>-50</td> **! <td><illustration>return Image.image(20,20,@(array)Image.color["#693e3e"])</illustration> **! <illustration>return Image.image(20,20,@(array)Image.color["#693e3e"]->dark())</illustration> **! <illustration>return Image.image(20,20,@(array)Image.color["#693e3e"]->dark()->dark())</illustration> **! <illustration>return Image.image(20,20,@(array)Image.color["#693e3e"]->dark()->dark()->dark())</illustration></td></tr> **! - **! <tr><td>bright</td><td>brighter color </td><td>±0</td><td>+50</td> + **! <tr><td>bright</td><td>brighter color </td><td>±0</td><td>+50</td><td>+50</td> **! <td><illustration>return Image.image(20,20,@(array)Image.color["#693e3e"])</illustration> **! <illustration>return Image.image(20,20,@(array)Image.color["#693e3e"]->bright())</illustration> **! <illustration>return Image.image(20,20,@(array)Image.color["#693e3e"]->bright()->bright())</illustration> **! <illustration>return Image.image(20,20,@(array)Image.color["#693e3e"]->bright()->bright()->bright())</illustration></td></tr> **! - **! <tr><td>dull </td><td>greyer color </td><td>±0</td><td>-50</td> + **! <tr><td>dull </td><td>greyer color </td><td>±0</td><td>-50</td><td>-50</td> **! <td><illustration>return Image.image(20,20,@(array)Image.color.red)</illustration> **! <illustration>return Image.image(20,20,@(array)Image.color.red->dull())</illustration> **! <illustration>return Image.image(20,20,@(array)Image.color.red->dull()->dull())</illustration> **! <illustration>return Image.image(20,20,@(array)Image.color.red->dull()->dull()->dull())</illustration></td></tr> **! - **! <tr><td>neon </td><td>set to extreme </td><td>±0</td><td>max</td> + **! <tr><td>neon </td><td>set to extreme </td><td>±0</td><td>max</td><td>max</td> **! <td><illustration>return Image.image(20,20,@(array)Image.color["#693e3e"])</illustration> **! <illustration>return Image.image(20,20,@(array)Image.color["#693e3e"]->neon())</illustration></td></tr> **! **! </table> **! returns the new color object **! note: **! The opposites may not always take each other out. **! The color is maximised at white and black levels, **! so, for instance **! <ref>Image.color</ref>.white-><ref>light</ref>()-><ref>dark</ref>()
pike.git/src/modules/Image/colors.c:968: */ /* **! method object rgb(int red, int green, int blue) **! method object hsv(int hue, int saturation, int value) **! method object greylevel(int level) **! method object html(string html_color) **! Creates a new color object from given red, green and blue, **! hue, saturation and value, or greylevel. **! - **! The <ref>html</ref>() - **! method only understands the HTML color names, - **! or the <tt>#rrggbb</tt> form. + **! The <ref>html</ref>() method only understands the HTML color names, + **! or the <tt>#rrggbb</tt> form. It is case insensitive. **! **! returns the created object. */ void image_make_rgb_color(INT32 args) { if (args!=3) { error("Image.color.rgb(): illegal number of arguments\n"); return;

pike.git / src / modules / Image / colors.c