1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
/* vi: ts=8 sts=4 sw=4
*
* This file is part of the KDE project, module tdecore.
* Copyright (C) 2000 Geert Jansen <[email protected]>
* with minor additions and based on ideas from
* Torsten Rahn <[email protected]>
*
* This is free software; it comes under the GNU Library General
* Public License, version 2. See the file "COPYING.LIB" for the
* exact licensing terms.
*/
#ifndef __TDEIconEffect_h_Included__
#define __TDEIconEffect_h_Included__
#include <tqimage.h>
#include <tqpixmap.h>
#include <tqcolor.h>
#include <tqrect.h>
#include "tdelibs_export.h"
class TQWidget;
class TDEIconEffectPrivate;
/**
* Applies effects to icons.
*
* This class applies effects to icons depending on their state and
* group. For example, it can be used to make all disabled icons
* in a toolbar gray.
* @see TDEIcon
*/
class TDECORE_EXPORT TDEIconEffect
{
public:
/**
* Create a new TDEIconEffect.
*/
TDEIconEffect();
~TDEIconEffect();
/**
* This is the enumeration of all possible icon effects.
* Note that 'LastEffect' is no valid icon effect but only
* used internally to check for invalid icon effects.
*
* @li NoEffect: Don't apply any icon effect
* @li ToGray: Tints the icon gray
* @li Colorize: Tints the icon with an other color
* @li ToGamma: Change the gamma value of the icon
* @li DeSaturate: Reduce the saturation of the icon
* @li ToMonochrome: Produces a monochrome icon
*/
enum Effects { NoEffect, ToGray, Colorize, ToGamma, DeSaturate,
ToMonochrome, ///< @since 3.4
LastEffect };
/**
* Rereads configuration.
*/
void init();
/**
* Tests whether an effect has been configured for the given icon group.
* @param group the group to check, see TDEIcon::Group
* @param state the state to check, see TDEIcon::States
* @returns true if an effect is configured for the given @p group
* in @p state, otherwise false.
* @see TDEIcon::Group
* TDEIcon::States
*/
bool hasEffect(int group, int state) const;
/**
* Returns a fingerprint for the effect by encoding
* the given @p group and @p state into a TQString. This
* is useful for caching.
* @param group the group, see TDEIcon::Group
* @param state the state, see TDEIcon::States
* @return the fingerprint of the given @p group+@p state
*/
TQString fingerprint(int group, int state) const;
/**
* Applies an effect to an image. The effect to apply depends on the
* @p group and @p state parameters, and is configured by the user.
* @param src The image.
* @param group The group for the icon, see TDEIcon::Group
* @param state The icon's state, see TDEIcon::States
* @return An image with the effect applied.
*/
TQImage apply(TQImage src, int group, int state) const;
/**
* Applies an effect to an image.
* @param src The image.
* @param effect The effect to apply, one of TDEIconEffect::Effects.
* @param value Strength of the effect. 0 <= @p value <= 1.
* @param rgb Color parameter for effects that need one.
* @param trans Add Transparency if trans = true.
* @return An image with the effect applied.
*/
// KDE4: make them references
TQImage apply(TQImage src, int effect, float value, const TQColor rgb, bool trans) const;
/**
* @since 3.4
*/
TQImage apply(TQImage src, int effect, float value, const TQColor rgb, const TQColor rgb2, bool trans) const;
/**
* Applies an effect to a pixmap.
* @param src The pixmap.
* @param group The group for the icon, see TDEIcon::Group
* @param state The icon's state, see TDEIcon::States
* @return A pixmap with the effect applied.
*/
TQPixmap apply(TQPixmap src, int group, int state) const;
/**
* Applies an effect to a pixmap.
* @param src The pixmap.
* @param effect The effect to apply, one of TDEIconEffect::Effects.
* @param value Strength of the effect. 0 <= @p value <= 1.
* @param rgb Color parameter for effects that need one.
* @param trans Add Transparency if trans = true.
* @return A pixmap with the effect applied.
*/
TQPixmap apply(TQPixmap src, int effect, float value, const TQColor rgb, bool trans) const;
/**
* @since 3.4
*/
TQPixmap apply(TQPixmap src, int effect, float value, const TQColor rgb, const TQColor rgb2, bool trans) const;
/**
* Returns an image twice as large, consisting of 2x2 pixels.
* @param src the image.
* @return the scaled image.
*/
TQImage doublePixels(TQImage src) const;
/**
* Provides visual feedback to show activation of an icon on a widget.
*
* Not strictly an 'icon effect', but in practice that's what it looks
* like.
*
* This method does nothing if the global 'Visual feedback on activation'
* option is not activated (See kcontrol/Peripherals/Mouse).
*
* @param widget The widget on which the effect should be painted
* @param rect This rectangle defines the effect's borders
*/
static void visualActivate(TQWidget *widget, TQRect rect);
static void visualActivate(TQWidget *widget, TQRect rect, TQPixmap *pixmap);
/**
* Tints an image gray.
*
* @param image The image
* @param value Strength of the effect. 0 <= @p value <= 1
*/
static void toGray(TQImage &image, float value);
/**
* Colorizes an image with a specific color.
*
* @param image The image
* @param col The color with which the @p image is tinted
* @param value Strength of the effect. 0 <= @p value <= 1
*/
static void colorize(TQImage &image, const TQColor &col, float value);
/**
* Produces a monochrome icon with a given foreground and background color
*
* @param image The image
* @param white The color with which the white parts of @p image are painted
* @param black The color with which the black parts of @p image are painted
* @param value Strength of the effect. 0 <= @p value <= 1
* @since 3.4
*/
static void toMonochrome(TQImage &image, const TQColor &black, const TQColor &white, float value);
/**
* Desaturates an image.
*
* @param image The image
* @param value Strength of the effect. 0 <= @p value <= 1
*/
static void deSaturate(TQImage &image, float value);
/**
* Changes the gamma value of an image.
*
* @param image The image
* @param value Strength of the effect. 0 <= @p value <= 1
*/
static void toGamma(TQImage &image, float value);
/**
* Renders an image semi-transparent.
*
* @param image The image
*/
static void semiTransparent(TQImage &image);
/**
* Renders a pixmap semi-transparent.
*
* @param pixmap The pixmap
*/
static void semiTransparent(TQPixmap &pixmap);
/**
* Overlays an image with an other image.
*
* @param src The image
* @param overlay The image to overlay @p src with
*/
static void overlay(TQImage &src, TQImage &overlay);
private:
int mEffect[6][3];
float mValue[6][3];
TQColor mColor[6][3];
bool mTrans[6][3];
TDEIconEffectPrivate *d;
};
#endif
|
