diff options
Diffstat (limited to 'src/utilities/color.vala')
| -rw-r--r-- | src/utilities/color.vala | 87 |
1 files changed, 44 insertions, 43 deletions
diff --git a/src/utilities/color.vala b/src/utilities/color.vala index 836411e..bf60e3f 100644 --- a/src/utilities/color.vala +++ b/src/utilities/color.vala @@ -1,4 +1,4 @@ -/* +/* Copyright (c) 2011 by Simon Schneegans This program is free software: you can redistribute it and/or modify it @@ -12,14 +12,14 @@ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with -this program. If not, see <http://www.gnu.org/licenses/>. +this program. If not, see <http://www.gnu.org/licenses/>. */ using GLib.Math; namespace GnomePie { -///////////////////////////////////////////////////////////////////////// +///////////////////////////////////////////////////////////////////////// /// A Color class with full rgb/hsv support /// and some useful utility methods. ///////////////////////////////////////////////////////////////////////// @@ -35,15 +35,15 @@ public class Color: GLib.Object { private float _g; private float _b; private float _a; - + ///////////////////////////////////////////////////////////////////// /// Creates a white Color. ///////////////////////////////////////////////////////////////////// - + public Color() { Color.from_rgb(1.0f, 1.0f, 1.0f); } - + ///////////////////////////////////////////////////////////////////// /// Creates a solid color with the given RGB values. ///////////////////////////////////////////////////////////////////// @@ -51,47 +51,48 @@ public class Color: GLib.Object { public Color.from_rgb(float red, float green, float blue) { Color.from_rgba(red, green, blue, 1.0f); } - + ///////////////////////////////////////////////////////////////////// /// Creates a translucient color with the given RGBA values. ///////////////////////////////////////////////////////////////////// - + public Color.from_rgba(float red, float green, float blue, float alpha) { r = red; g = green; b = blue; a = alpha; } - + ///////////////////////////////////////////////////////////////////// /// Creates a color from the given Gdk.Color ///////////////////////////////////////////////////////////////////// - - public Color.from_gdk(Gdk.Color color) { - Color.from_rgb( - (float)color.red/65535.0f, - (float)color.green/65535.0f, - (float)color.blue/65535.0f + + public Color.from_gdk(Gdk.RGBA color) { + Color.from_rgba( + (float)color.red, + (float)color.green, + (float)color.blue, + (float)color.alpha ); } - + ///////////////////////////////////////////////////////////////////// /// Creates a color, parsed from a string, such as #22EE33 ///////////////////////////////////////////////////////////////////// - + public Color.from_string(string hex_string) { - Gdk.Color color; - Gdk.Color.parse(hex_string, out color); + var color = Gdk.RGBA(); + color.parse(hex_string); Color.from_gdk(color); } - + ///////////////////////////////////////////////////////////////////// /// Gets the main color from an Image. Code from Unity. ///////////////////////////////////////////////////////////////////// - + public Color.from_icon(Image icon) { unowned uchar[] data = icon.surface.get_data(); - + uint width = icon.surface.get_width(); uint height = icon.surface.get_height(); uint row_bytes = icon.surface.get_stride(); @@ -99,7 +100,7 @@ public class Color: GLib.Object { double total = 0.0; double rtotal = 0.0; double gtotal = 0.0; - double btotal = 0.0; + double btotal = 0.0; for (uint i = 0; i < width; ++i) { for (uint j = 0; j < height; ++j) { @@ -126,7 +127,7 @@ public class Color: GLib.Object { v = 1.0f; } - + ///////////////////////////////////////////////////////////////////// /// The reddish part of the color. ///////////////////////////////////////////////////////////////////// @@ -138,14 +139,14 @@ public class Color: GLib.Object { set { if (value > 1.0f) _r = 1.0f; else if (value < 0.0f) _r = 0.0f; - else _r = value; + else _r = value; } } - + ///////////////////////////////////////////////////////////////////// /// The greenish part of the color. ///////////////////////////////////////////////////////////////////// - + public float g { get { return _g; @@ -153,14 +154,14 @@ public class Color: GLib.Object { set { if (value > 1.0f) _g = 1.0f; else if (value < 0.0f) _g = 0.0f; - else _g = value; + else _g = value; } } - + ///////////////////////////////////////////////////////////////////// /// The blueish part of the color. ///////////////////////////////////////////////////////////////////// - + public float b { get { return _b; @@ -168,14 +169,14 @@ public class Color: GLib.Object { set { if (value > 1.0f) _b = 1.0f; else if (value < 0.0f) _b = 0.0f; - else _b = value; + else _b = value; } } - + ///////////////////////////////////////////////////////////////////// /// The transparency of the color. ///////////////////////////////////////////////////////////////////// - + public float a { get { return _a; @@ -183,14 +184,14 @@ public class Color: GLib.Object { set { if (value > 1.0f) _a = 1.0f; else if (value < 0.0f) _a = 0.0f; - else _a = value; + else _a = value; } } - + ///////////////////////////////////////////////////////////////////// /// The hue of the color. ///////////////////////////////////////////////////////////////////// - + public float h { get { if (s > 0.0f) { @@ -210,11 +211,11 @@ public class Color: GLib.Object { setHSV(value, s, v); } } - + ///////////////////////////////////////////////////////////////////// /// The saturation of the color. ///////////////////////////////////////////////////////////////////// - + public float s { get { if (v == 0.0f) return 0.0f; @@ -226,11 +227,11 @@ public class Color: GLib.Object { else setHSV(h, value, v); } } - + ///////////////////////////////////////////////////////////////////// /// The value of the color. ///////////////////////////////////////////////////////////////////// - + public float v { get { return fmaxf(fmaxf(r, g), b); @@ -241,16 +242,16 @@ public class Color: GLib.Object { else setHSV(h, s, value); } } - + ///////////////////////////////////////////////////////////////////// /// Inverts the color. ///////////////////////////////////////////////////////////////////// - + public void invert() { h += 180.0f; v = 1.0f - v; } - + ///////////////////////////////////////////////////////////////////// /// Private member, used to apply color changes. ///////////////////////////////////////////////////////////////////// |