Implementation of the 2.0 session state model
[mono.git] / mcs / class / Managed.Windows.Forms / System.Windows.Forms / ControlPaint.cs
1 // Permission is hereby granted, free of charge, to any person obtaining
2 // a copy of this software and associated documentation files (the
3 // "Software"), to deal in the Software without restriction, including
4 // without limitation the rights to use, copy, modify, merge, publish,
5 // distribute, sublicense, and/or sell copies of the Software, and to
6 // permit persons to whom the Software is furnished to do so, subject to
7 // the following conditions:
8 //
9 // The above copyright notice and this permission notice shall be
10 // included in all copies or substantial portions of the Software.
11 //
12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
19 //
20 // Copyright (c) 2004 Novell, Inc.
21 //
22 // Authors:
23 //      Peter Bartok    pbartok@novell.com
24 //
25
26
27 // NOT COMPLETE
28
29 using System.Drawing;
30 using System.Drawing.Drawing2D;
31 using System.Drawing.Imaging;
32
33 namespace System.Windows.Forms {
34         public sealed class ControlPaint {
35                 #region Local Variables
36                 static int              RGBMax=255;
37                 static int              HLSMax=255;
38                 #endregion      // Local Variables
39
40                 #region Private Enumerations
41
42
43                 #region Constructor
44                 // Prevent a public constructor from being created
45                 private ControlPaint() {
46                 }
47                 #endregion      // Constructor
48
49
50                 #endregion      // Private Enumerations
51
52                 #region Helpers
53                 internal static void Color2HBS(Color color, out int h, out int l, out int s) {
54                         int     r;
55                         int     g;
56                         int     b;
57                         int     cMax;
58                         int     cMin;
59                         int     rDelta;
60                         int     gDelta;
61                         int     bDelta;
62
63                         r=color.R;
64                         g=color.G;
65                         b=color.B;
66
67                         cMax = Math.Max(Math.Max(r, g), b);
68                         cMin = Math.Min(Math.Min(r, g), b);
69
70                         l = (((cMax+cMin)*HLSMax)+RGBMax)/(2*RGBMax);
71
72                         if (cMax==cMin) {               // Achromatic
73                                 h=0;                                    // h undefined
74                                 s=0;
75                                 return;
76                         }
77
78                         /* saturation */
79                         if (l<=(HLSMax/2)) {
80                                 s=(((cMax-cMin)*HLSMax)+((cMax+cMin)/2))/(cMax+cMin);
81                         } else {
82                                 s=(((cMax-cMin)*HLSMax)+((2*RGBMax-cMax-cMin)/2))/(2*RGBMax-cMax-cMin);
83                         }
84
85                         /* hue */
86                         rDelta=(((cMax-r)*(HLSMax/6))+((cMax-cMin)/2))/(cMax-cMin);
87                         gDelta=(((cMax-g)*(HLSMax/6))+((cMax-cMin)/2))/(cMax-cMin);
88                         bDelta=(((cMax-b)*(HLSMax/6))+((cMax-cMin)/2))/(cMax-cMin);
89
90                         if (r == cMax) {
91                                 h=bDelta - gDelta;
92                         } else if (g == cMax) {
93                                 h=(HLSMax/3) + rDelta - bDelta;
94                         } else { /* B == cMax */
95                                 h=((2*HLSMax)/3) + gDelta - rDelta;
96                         }
97
98                         if (h<0) {
99                                 h+=HLSMax;
100                         }
101
102                         if (h>HLSMax) {
103                                 h-=HLSMax;
104                         }
105                 }
106
107                 private static int HueToRGB(int n1, int n2, int hue) {
108                         if (hue<0) {
109                                 hue+=HLSMax;
110                         }
111
112                         if (hue>HLSMax) {
113                                 hue -= HLSMax;
114                         }
115
116                         /* return r,g, or b value from this tridrant */
117                         if (hue<(HLSMax/6)) {
118                                 return(n1+(((n2-n1)*hue+(HLSMax/12))/(HLSMax/6)));
119                         }
120
121                         if (hue<(HLSMax/2)) {
122                                 return(n2);
123                         }
124
125                         if (hue<((HLSMax*2)/3)) {
126                                 return(n1+(((n2-n1)*(((HLSMax*2)/3)-hue)+(HLSMax/12))/(HLSMax/6)));
127                         } else {
128                                 return(n1);
129                         }
130                 }
131
132                 internal static Color HBS2Color(int hue, int lum, int sat) {
133                         int     R;
134                         int     G;
135                         int     B;
136                         int     Magic1;
137                         int     Magic2;
138
139                         if (sat == 0) {            /* Achromatic */
140                                 R=G=B=(lum*RGBMax)/HLSMax;
141                                 // FIXME : Should throw exception if hue!=0
142                         } else {
143                                 if (lum<=(HLSMax/2)) {
144                                         Magic2=(lum*(HLSMax+sat)+(HLSMax/2))/HLSMax;
145                                 } else {
146                                         Magic2=sat+lum-((sat*lum)+(HLSMax/2))/HLSMax;
147                                 }
148                                 Magic1=2*lum-Magic2;
149
150                                 R = Math.Min(255, (HueToRGB(Magic1,Magic2,hue+(HLSMax/3))*RGBMax+(HLSMax/2))/HLSMax);
151                                 G = Math.Min(255, (HueToRGB(Magic1,Magic2,hue)*RGBMax+(HLSMax/2))/HLSMax);
152                                 B = Math.Min(255, (HueToRGB(Magic1,Magic2,hue-(HLSMax/3))*RGBMax+(HLSMax/2))/HLSMax);
153                         }
154                         return(Color.FromArgb(R, G, B));
155                 }
156                 #endregion      // Helpers
157
158                 #region Public Static Properties
159                 public static Color ContrastControlDark {
160                         get { return(SystemColors.ControlDark); }
161                 }
162                 #endregion      // Public Static Properties
163
164                 #region Public Static Methods
165                 public static IntPtr CreateHBitmap16Bit(Bitmap bitmap, Color background){
166                         throw new NotImplementedException ();
167                 }
168
169                 public static IntPtr CreateHBitmapColorMask(Bitmap bitmap, IntPtr monochromeMask){
170                         throw new NotImplementedException ();
171                 }
172
173                 public static IntPtr CreateHBitmapTransparencyMask(Bitmap bitmap){
174                         throw new NotImplementedException ();
175                 }
176
177                 public static Color Light(Color baseColor) {
178                         return Light(baseColor, 0.5f);
179                 }
180
181                 public static Color Light(Color baseColor,float per) {
182                         if (baseColor.ToArgb () == ThemeEngine.Current.ColorControl.ToArgb ()) {
183                                 int r_sub, g_sub, b_sub;
184                                 Color color;
185
186                                 if (per <= 0f)
187                                         return ThemeEngine.Current.ColorControlLight;
188
189                                 if (per == 1.0f)                                        
190                                         return ThemeEngine.Current.ColorControlLightLight;
191                                 
192                                 r_sub = ThemeEngine.Current.ColorControlLightLight.R - ThemeEngine.Current.ColorControlLight.R;
193                                 g_sub = ThemeEngine.Current.ColorControlLightLight.G - ThemeEngine.Current.ColorControlLight.G;
194                                 b_sub = ThemeEngine.Current.ColorControlLightLight.B - ThemeEngine.Current.ColorControlLight.B;
195                                                                 
196                                 color = Color.FromArgb (ThemeEngine.Current.ColorControlLight.A,
197                                                 (int) (ThemeEngine.Current.ColorControlLight.R + (r_sub * per)),
198                                                 (int) (ThemeEngine.Current.ColorControlLight.G + (g_sub * per)),
199                                                 (int) (ThemeEngine.Current.ColorControlLight.B + (b_sub * per)));
200                                 
201                                 return color;
202                         }
203                         
204                         int H, I, S;
205
206                         ControlPaint.Color2HBS(baseColor, out H, out I, out S);
207                         int NewIntensity =  Math.Min (255, I + (int)((255 - I) * 0.5f * per));
208                         
209                         return ControlPaint.HBS2Color(H, NewIntensity, S);                      
210                 }
211
212                 public static Color LightLight(Color baseColor) {                       
213                         return Light(baseColor, 1.0f);
214                 }
215
216                 public static Color Dark(Color baseColor) {
217                         return Dark(baseColor, 0.5f);
218                 }
219
220                 public static Color Dark(Color baseColor,float per) {   
221
222                         if (baseColor.ToArgb () == ThemeEngine.Current.ColorControl.ToArgb ()) {
223                                 
224                                 int r_sub, g_sub, b_sub;
225                                 Color color;
226
227                                 if (per <= 0f)
228                                         return ThemeEngine.Current.ColorControlDark;
229
230                                 if (per == 1.0f)
231                                         return ThemeEngine.Current.ColorControlDarkDark;
232                                                                                                         
233                                 r_sub = ThemeEngine.Current.ColorControlDarkDark.R - ThemeEngine.Current.ColorControlDark.R;
234                                 g_sub = ThemeEngine.Current.ColorControlDarkDark.G - ThemeEngine.Current.ColorControlDark.G;
235                                 b_sub = ThemeEngine.Current.ColorControlDarkDark.B - ThemeEngine.Current.ColorControlDark.B;
236                                                                 
237                                 color = Color.FromArgb (ThemeEngine.Current.ColorControlDark.A,
238                                                 (int) (ThemeEngine.Current.ColorControlDark.R + (r_sub * per)),
239                                                 (int) (ThemeEngine.Current.ColorControlDark.G + (g_sub * per)),
240                                                 (int) (ThemeEngine.Current.ColorControlDark.B + (b_sub * per)));
241                                 return color;
242                         }
243                 
244                         int H, I, S;
245
246                         ControlPaint.Color2HBS(baseColor, out H, out I, out S);                 
247                         int PreIntensity = Math.Max (0, I - (int) (I * 0.333f));
248                         int NewIntensity =  Math.Max (0, PreIntensity - (int) (PreIntensity * per));
249                         return ControlPaint.HBS2Color(H, NewIntensity, S);
250                 }
251
252                 public static Color DarkDark(Color baseColor) {                 
253                         return Dark(baseColor, 1.0f);
254                 }
255
256                 public static void DrawBorder(Graphics graphics, Rectangle bounds, Color color, ButtonBorderStyle style) {
257                         int line_width_top_left = 1;
258                         int line_width_bottom_right = 1;
259                         
260                         if (style == ButtonBorderStyle.Inset)
261                                 line_width_top_left = 2;
262                         if (style == ButtonBorderStyle.Outset) {
263                                 line_width_bottom_right = 2;
264                                 line_width_top_left = 2;
265                         }
266                         
267                         DrawBorder(graphics, bounds, color, line_width_top_left, style, color, line_width_top_left, style, color, line_width_bottom_right, style, color, line_width_bottom_right, style);
268                 }
269
270                 public static void DrawBorder( Graphics graphics, Rectangle bounds, Color leftColor, int leftWidth,
271                         ButtonBorderStyle leftStyle, Color topColor, int topWidth, ButtonBorderStyle topStyle,
272                         Color rightColor, int rightWidth, ButtonBorderStyle rightStyle, Color bottomColor, int bottomWidth,
273                         ButtonBorderStyle bottomStyle) {
274
275                         ThemeEngine.Current.CPDrawBorder (graphics, bounds, leftColor, leftWidth,
276                                 leftStyle, topColor, topWidth, topStyle, rightColor, rightWidth, rightStyle,
277                                 bottomColor, bottomWidth, bottomStyle);
278                 }
279
280
281                 public static void DrawBorder3D(Graphics graphics, Rectangle rectangle) {
282                         DrawBorder3D(graphics, rectangle, Border3DStyle.Etched, Border3DSide.Left | Border3DSide.Right | Border3DSide.Top | Border3DSide.Bottom);
283                 }
284
285                 public static void DrawBorder3D(Graphics graphics, Rectangle rectangle, Border3DStyle style) {
286                         DrawBorder3D(graphics, rectangle, style, Border3DSide.Left | Border3DSide.Right | Border3DSide.Top | Border3DSide.Bottom);
287                 }
288
289                 public static void DrawBorder3D(Graphics graphics, int x, int y, int width, int height) {
290                         DrawBorder3D(graphics, new Rectangle(x, y, width, height), Border3DStyle.Etched, Border3DSide.Left | Border3DSide.Right | Border3DSide.Top | Border3DSide.Bottom);
291                 }
292
293                 public static void DrawBorder3D(Graphics graphics, int x, int y, int width, int height, Border3DStyle style) {
294                         DrawBorder3D(graphics, new Rectangle(x, y, width, height), style, Border3DSide.Left | Border3DSide.Right | Border3DSide.Top | Border3DSide.Bottom);
295                 }
296
297                 public static void DrawBorder3D( Graphics graphics, int x, int y, int width, int height, Border3DStyle style,Border3DSide sides) {
298                         DrawBorder3D( graphics, new Rectangle(x, y, width, height), style, sides);
299                 }
300
301                 public static void DrawBorder3D( Graphics graphics, Rectangle rectangle, Border3DStyle style, Border3DSide sides) {
302
303                         ThemeEngine.Current.CPDrawBorder3D (graphics, rectangle, style, sides);
304                 }
305
306                 public static void DrawButton( Graphics graphics, int x, int y, int width, int height, ButtonState state) {
307                         DrawButton(graphics, new Rectangle(x, y, width, height), state);
308                 }
309
310                 public static void DrawButton( Graphics graphics, Rectangle rectangle, ButtonState state) {
311
312                         ThemeEngine.Current.CPDrawButton (graphics, rectangle, state);
313                 }
314
315
316                 public static void DrawCaptionButton(Graphics graphics, int x, int y, int width, int height, CaptionButton button, ButtonState state) {
317                         DrawCaptionButton(graphics, new Rectangle(x, y, width, height), button, state);
318                 }
319
320                 public static void DrawCaptionButton(Graphics graphics, Rectangle rectangle, CaptionButton button, ButtonState state) {
321
322                         ThemeEngine.Current.CPDrawCaptionButton (graphics, rectangle, button, state);
323                 }
324
325                 public static void DrawCheckBox(Graphics graphics, int x, int y, int width, int height, ButtonState state) {
326                         DrawCheckBox(graphics, new Rectangle(x, y, width, height), state);
327                 }
328
329                 public static void DrawCheckBox(Graphics graphics, Rectangle rectangle, ButtonState state) {
330
331                         ThemeEngine.Current.CPDrawCheckBox (graphics, rectangle, state);
332                 }
333
334                 public static void DrawComboButton(Graphics graphics, Rectangle rectangle, ButtonState state) {
335
336                         ThemeEngine.Current.CPDrawComboButton (graphics, rectangle,  state);
337                 }
338
339                 public static void DrawComboButton(Graphics graphics, int x, int y, int width, int height, ButtonState state) {
340                         DrawComboButton(graphics, new Rectangle(x, y, width, height), state);
341                 }
342
343                 public static void DrawContainerGrabHandle(Graphics graphics, Rectangle bounds) {
344
345                         ThemeEngine.Current.CPDrawContainerGrabHandle (graphics, bounds);
346                 }
347
348                 public static void DrawFocusRectangle( Graphics graphics, Rectangle rectangle) {
349                         DrawFocusRectangle(graphics, rectangle, SystemColors.Control, SystemColors.ControlText);
350                 }
351
352                 public static void DrawFocusRectangle( Graphics graphics, Rectangle rectangle, Color foreColor, Color backColor) {
353
354                         ThemeEngine.Current.CPDrawFocusRectangle (graphics, rectangle, foreColor, backColor);
355                 }
356
357                 public static void DrawGrabHandle(Graphics graphics, Rectangle rectangle, bool primary, bool enabled) {
358
359                         ThemeEngine.Current.CPDrawGrabHandle (graphics, rectangle, primary, enabled);
360                 }
361
362                 public static void DrawGrid(Graphics graphics, Rectangle area, Size pixelsBetweenDots, Color backColor) {
363
364                         ThemeEngine.Current.CPDrawGrid (graphics, area, pixelsBetweenDots, backColor);
365                 }
366
367                 public static void DrawImageDisabled(Graphics graphics, Image image, int x, int y, Color background) {
368
369                         ThemeEngine.Current.CPDrawImageDisabled (graphics, image, x, y, background);
370                 }
371
372                 public static void DrawLockedFrame(Graphics graphics, Rectangle rectangle, bool primary) {
373
374                         ThemeEngine.Current.CPDrawLockedFrame (graphics, rectangle, primary);
375                 }
376
377                 public static void DrawMenuGlyph(Graphics graphics, Rectangle rectangle, MenuGlyph glyph) {
378
379                         ThemeEngine.Current.CPDrawMenuGlyph (graphics, rectangle, glyph, ThemeEngine.Current.ColorMenuText);
380                 }
381
382                 public static void DrawMenuGlyph(Graphics graphics, int x, int y, int width, int height, MenuGlyph glyph) {
383                         DrawMenuGlyph(graphics, new Rectangle(x, y, width, height), glyph);
384                 }
385
386                 public static void DrawMixedCheckBox(Graphics graphics, Rectangle rectangle, ButtonState state) {
387                         DrawCheckBox(graphics, rectangle, state);
388                 }
389
390                 public static void DrawMixedCheckBox(Graphics graphics, int x, int y, int width, int height, ButtonState state) {
391                         DrawMixedCheckBox(graphics, new Rectangle(x, y, width, height), state);
392                 }
393
394
395                 public static void DrawRadioButton(Graphics graphics, int x, int y, int width, int height, ButtonState state) {
396                         DrawRadioButton(graphics, new Rectangle(x, y, width, height), state);
397                 }
398
399                 public static void DrawRadioButton(Graphics graphics, Rectangle rectangle, ButtonState state) {
400
401                         ThemeEngine.Current.CPDrawRadioButton (graphics, rectangle, state);
402                 }
403
404                 public static void DrawReversibleFrame(Rectangle rectangle, Color backColor, FrameStyle style) {
405                         XplatUI.DrawReversibleFrame (rectangle, backColor, style);
406                 }
407
408                 public static void DrawReversibleLine(Point start, Point end, Color backColor) {
409                         XplatUI.DrawReversibleLine (start, end, backColor);
410                 }
411
412                 public static void FillReversibleRectangle(Rectangle rectangle, Color backColor) {
413                         XplatUI.FillReversibleRectangle (rectangle, backColor);
414                 }
415
416                 public static void DrawScrollButton (Graphics graphics, int x, int y, int width, int height, ScrollButton button, ButtonState state) {
417                         ThemeEngine.Current.CPDrawScrollButton (graphics, new Rectangle(x, y, width, height), button, state);
418                 }
419
420                 public static void DrawScrollButton (Graphics graphics, Rectangle rectangle, ScrollButton button, ButtonState state) {
421                         ThemeEngine.Current.CPDrawScrollButton (graphics, rectangle, button, state);
422                 }
423
424                 [MonoTODO]
425                 private static bool DSFNotImpl = false;
426                 public static void DrawSelectionFrame(Graphics graphics, bool active, Rectangle outsideRect, Rectangle insideRect, Color backColor) {
427                         if (!DSFNotImpl) {
428                                 DSFNotImpl = true;
429                                 Console.WriteLine("NOT IMPLEMENTED: DrawSelectionFrame(Graphics graphics, bool active, Rectangle outsideRect, Rectangle insideRect, Color backColor)");
430                         }
431                         //throw new NotImplementedException();
432                 }
433
434                 public static void DrawSizeGrip (Graphics graphics, Color backColor, Rectangle bounds)
435                 {
436                         ThemeEngine.Current.CPDrawSizeGrip (graphics,  backColor,  bounds);
437                 }
438
439                 public static void DrawSizeGrip(Graphics graphics, Color backColor, int x, int y, int width, int height) {
440                         DrawSizeGrip(graphics, backColor, new Rectangle(x, y, width, height));
441                 }
442
443                 public static void DrawStringDisabled(Graphics graphics, string s, Font font, Color color, RectangleF layoutRectangle, StringFormat format) {
444
445                         ThemeEngine.Current.CPDrawStringDisabled (graphics, s, font, color, layoutRectangle, format);
446                 }
447                 #endregion      // Public Static Methods
448         }
449 }