1 /* 2 * This file is part of gtkD. 3 * 4 * gtkD is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU Lesser General Public License 6 * as published by the Free Software Foundation; either version 3 7 * of the License, or (at your option) any later version, with 8 * some exceptions, please read the COPYING file. 9 * 10 * gtkD is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public License 16 * along with gtkD; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA 18 */ 19 20 // generated automatically - do not change 21 // find conversion definition on APILookup.txt 22 // implement new conversion functionalities on the wrap.utils pakage 23 24 25 module gdk.RGBA; 26 27 private import gdk.c.functions; 28 public import gdk.c.types; 29 private import glib.Str; 30 private import glib.c.functions; 31 private import gobject.ObjectG; 32 public import gtkc.gdktypes; 33 private import gtkd.Loader; 34 35 36 /** 37 * A #GdkRGBA is used to represent a (possibly translucent) 38 * color, in a way that is compatible with cairos notion of color. 39 */ 40 public final class RGBA 41 { 42 /** the main Gtk struct */ 43 protected GdkRGBA* gdkRGBA; 44 protected bool ownedRef; 45 46 /** Get the main Gtk struct */ 47 public GdkRGBA* getRGBAStruct(bool transferOwnership = false) 48 { 49 if (transferOwnership) 50 ownedRef = false; 51 return gdkRGBA; 52 } 53 54 /** the main Gtk struct as a void* */ 55 protected void* getStruct() 56 { 57 return cast(void*)gdkRGBA; 58 } 59 60 /** 61 * Sets our main struct and passes it to the parent class. 62 */ 63 public this (GdkRGBA* gdkRGBA, bool ownedRef = false) 64 { 65 this.gdkRGBA = gdkRGBA; 66 this.ownedRef = ownedRef; 67 } 68 69 ~this () 70 { 71 if ( Linker.isLoaded(LIBRARY_GDK) && ownedRef ) 72 gdk_rgba_free(gdkRGBA); 73 } 74 75 /** 76 * Creates a new RGBA Color 77 */ 78 this() 79 { 80 GdkRGBA rgba = GdkRGBA(0, 0, 0, 0); 81 82 this(gdk_rgba_copy(&rgba), true); 83 } 84 85 /** ditto */ 86 this(double red, double green, double blue, double alpha = 1.0) 87 { 88 GdkRGBA rgba; 89 90 rgba.red = red; 91 rgba.green = green; 92 rgba.blue = blue; 93 rgba.alpha = alpha; 94 95 this(gdk_rgba_copy(&rgba), true); 96 } 97 98 /** 99 */ 100 101 /** 102 * The intensity of the red channel from 0.0 to 1.0 inclusive 103 */ 104 public @property double red() 105 { 106 return gdkRGBA.red; 107 } 108 109 /** Ditto */ 110 public @property void red(double value) 111 { 112 gdkRGBA.red = value; 113 } 114 115 /** 116 * The intensity of the green channel from 0.0 to 1.0 inclusive 117 */ 118 public @property double green() 119 { 120 return gdkRGBA.green; 121 } 122 123 /** Ditto */ 124 public @property void green(double value) 125 { 126 gdkRGBA.green = value; 127 } 128 129 /** 130 * The intensity of the blue channel from 0.0 to 1.0 inclusive 131 */ 132 public @property double blue() 133 { 134 return gdkRGBA.blue; 135 } 136 137 /** Ditto */ 138 public @property void blue(double value) 139 { 140 gdkRGBA.blue = value; 141 } 142 143 /** 144 * The opacity of the color from 0.0 for completely translucent to 145 * 1.0 for opaque 146 */ 147 public @property double alpha() 148 { 149 return gdkRGBA.alpha; 150 } 151 152 /** Ditto */ 153 public @property void alpha(double value) 154 { 155 gdkRGBA.alpha = value; 156 } 157 158 /** */ 159 public static GType getType() 160 { 161 return gdk_rgba_get_type(); 162 } 163 164 /** 165 * Makes a copy of a #GdkRGBA. 166 * 167 * The result must be freed through gdk_rgba_free(). 168 * 169 * Returns: A newly allocated #GdkRGBA, with the same contents as @rgba 170 * 171 * Since: 3.0 172 */ 173 public RGBA copy() 174 { 175 auto p = gdk_rgba_copy(gdkRGBA); 176 177 if(p is null) 178 { 179 return null; 180 } 181 182 return ObjectG.getDObject!(RGBA)(cast(GdkRGBA*) p, true); 183 } 184 185 /** 186 * Compares two RGBA colors. 187 * 188 * Params: 189 * p2 = another #GdkRGBA pointer 190 * 191 * Returns: %TRUE if the two colors compare equal 192 * 193 * Since: 3.0 194 */ 195 public bool equal(RGBA p2) 196 { 197 return gdk_rgba_equal(gdkRGBA, (p2 is null) ? null : p2.getRGBAStruct()) != 0; 198 } 199 200 /** 201 * Frees a #GdkRGBA created with gdk_rgba_copy() 202 * 203 * Since: 3.0 204 */ 205 public void free() 206 { 207 gdk_rgba_free(gdkRGBA); 208 ownedRef = false; 209 } 210 211 /** 212 * A hash function suitable for using for a hash 213 * table that stores #GdkRGBAs. 214 * 215 * Returns: The hash value for @p 216 * 217 * Since: 3.0 218 */ 219 public uint hash() 220 { 221 return gdk_rgba_hash(gdkRGBA); 222 } 223 224 /** 225 * Parses a textual representation of a color, filling in 226 * the @red, @green, @blue and @alpha fields of the @rgba #GdkRGBA. 227 * 228 * The string can be either one of: 229 * - A standard name (Taken from the X11 rgb.txt file). 230 * - A hexadecimal value in the form “\#rgb”, “\#rrggbb”, 231 * “\#rrrgggbbb” or ”\#rrrrggggbbbb” 232 * - A RGB color in the form “rgb(r,g,b)” (In this case the color will 233 * have full opacity) 234 * - A RGBA color in the form “rgba(r,g,b,a)” 235 * 236 * Where “r”, “g”, “b” and “a” are respectively the red, green, blue and 237 * alpha color values. In the last two cases, r g and b are either integers 238 * in the range 0 to 255 or percentage values in the range 0% to 100%, and 239 * a is a floating point value in the range 0 to 1. 240 * 241 * Params: 242 * spec = the string specifying the color 243 * 244 * Returns: %TRUE if the parsing succeeded 245 * 246 * Since: 3.0 247 */ 248 public bool parse(string spec) 249 { 250 return gdk_rgba_parse(gdkRGBA, Str.toStringz(spec)) != 0; 251 } 252 253 /** 254 * Returns a textual specification of @rgba in the form 255 * `rgb (r, g, b)` or 256 * `rgba (r, g, b, a)`, 257 * where “r”, “g”, “b” and “a” represent the red, green, 258 * blue and alpha values respectively. r, g, and b are 259 * represented as integers in the range 0 to 255, and a 260 * is represented as floating point value in the range 0 to 1. 261 * 262 * These string forms are string forms those supported by 263 * the CSS3 colors module, and can be parsed by gdk_rgba_parse(). 264 * 265 * Note that this string representation may lose some 266 * precision, since r, g and b are represented as 8-bit 267 * integers. If this is a concern, you should use a 268 * different representation. 269 * 270 * Returns: A newly allocated text string 271 * 272 * Since: 3.0 273 */ 274 public override string toString() 275 { 276 auto retStr = gdk_rgba_to_string(gdkRGBA); 277 278 scope(exit) Str.freeString(retStr); 279 return Str.toString(retStr); 280 } 281 }