src/apps/gradients/GradientsView.cpp

   1 /*
   2  * Copyright (c) 2008-2009, Haiku, Inc.
   3  * Distributed under the terms of the MIT license.
   4  *
   5  * Authors:
   6  *              Artur Wyszynski <harakash@gmail.com>
   7  */
   8
   9
  10 #include "GradientsView.h"
  11 #include <GradientLinear.h>
  12 #include <GradientRadial.h>
  13 #include <GradientRadialFocus.h>
  14 #include <GradientDiamond.h>
  15 #include <GradientConic.h>
  16
  17
  18 GradientsView::GradientsView(const BRect &rect)
  19         : BView(rect, "gradientsview", B_FOLLOW_ALL, B_WILL_DRAW | B_PULSE_NEEDED),
  20         fType(BGradient::TYPE_LINEAR)
  21 {
  22 }
  23
  24
  25 GradientsView::~GradientsView()
  26 {
  27 }
  28
  29
  30 void
  31 GradientsView::Draw(BRect update)
  32 {
  33         switch (fType) {
  34                 case BGradient::TYPE_LINEAR:
  35                         DrawLinear(update);
  36                         break;
  37
  38                 case BGradient::TYPE_RADIAL:
  39                         DrawRadial(update);
  40                         break;
  41
  42                 case BGradient::TYPE_RADIAL_FOCUS:
  43                         DrawRadialFocus(update);
  44                         break;
  45
  46                 case BGradient::TYPE_DIAMOND:
  47                         DrawDiamond(update);
  48                         break;
  49
  50                 case BGradient::TYPE_CONIC:
  51                         DrawConic(update);
  52                         break;
  53
  54                 case BGradient::TYPE_NONE:
  55                 default:
  56                         break;
  57         }
  58 }
  59
  60
  61 void
  62 GradientsView::DrawLinear(BRect update)
  63 {
  64         BGradientLinear gradient;
  65         rgb_color c;
  66         c.red = 255;
  67         c.green = 0;
  68         c.blue = 0;
  69         gradient.AddColor(c, 0);
  70         c.red = 0;
  71         c.green = 255;
  72         c.blue = 0;
  73         gradient.AddColor(c, 127);
  74         c.red = 0;
  75         c.green = 0;
  76         c.blue = 255;
  77         gradient.AddColor(c, 255);
  78
  79         // RoundRect
  80         SetHighColor(0, 0, 0);
  81         FillRoundRect(BRect(10, 10, 110, 110), 5, 5);
  82         gradient.SetStart(BPoint(120, 10));
  83         gradient.SetEnd(BPoint(220, 110));
  84         FillRoundRect(BRect(120, 10, 220, 110), 5, 5, gradient);
  85
  86         // Rect
  87         SetHighColor(0, 0, 0);
  88         FillRect(BRect(10, 120, 110, 220));
  89         gradient.SetStart(BPoint(120, 120));
  90         gradient.SetEnd(BPoint(220, 220));
  91         FillRect(BRect(120, 120, 220, 220), gradient);
  92
  93         // Triangle
  94         SetHighColor(0, 0, 0);
  95         FillTriangle(BPoint(60, 230), BPoint(10, 330), BPoint(110, 330));
  96         gradient.SetStart(BPoint(60, 230));
  97         gradient.SetEnd(BPoint(60, 330));
  98         FillTriangle(BPoint(170, 230), BPoint(120, 330), BPoint(220, 330),
  99                 gradient);
 100
 101         // Ellipse
 102         SetHighColor(0, 0, 0);
 103         FillEllipse(BPoint(60, 390), 50, 50);
 104         gradient.SetStart(BPoint(60, 340));
 105         gradient.SetEnd(BPoint(60, 440));
 106         FillEllipse(BPoint(170, 390), 50, 50, gradient);
 107 }
 108
 109
 110 void
 111 GradientsView::DrawRadial(BRect update)
 112 {
 113         BGradientRadial gradient;
 114         gradient.AddColor(make_color(255, 0, 0), 0);
 115         gradient.AddColor(make_color(0, 255, 0), 127);
 116         gradient.AddColor(make_color(0, 0, 255), 255);
 117
 118         // RoundRect
 119         SetHighColor(0, 0, 0);
 120         FillRoundRect(BRect(10, 10, 110, 110), 5, 5);
 121         gradient.SetCenter(BPoint(170, 60));
 122         gradient.SetRadius(50);
 123         FillRoundRect(BRect(120, 10, 220, 110), 5, 5, gradient);
 124
 125         // Rect
 126         SetHighColor(0, 0, 0);
 127         FillRect(BRect(10, 120, 110, 220));
 128         gradient.SetCenter(BPoint(170, 170));
 129         FillRect(BRect(120, 120, 220, 220), gradient);
 130
 131         // Triangle
 132         SetHighColor(0, 0, 0);
 133         FillTriangle(BPoint(60, 230), BPoint(10, 330), BPoint(110, 330));
 134         gradient.SetCenter(BPoint(170, 280));
 135         FillTriangle(BPoint(170, 230), BPoint(120, 330), BPoint(220, 330),
 136                 gradient);
 137
 138         // Ellipse
 139         SetHighColor(0, 0, 0);
 140         FillEllipse(BPoint(60, 390), 50, 50);
 141         gradient.SetCenter(BPoint(170, 390));
 142         FillEllipse(BPoint(170, 390), 50, 50, gradient);
 143 }
 144
 145
 146 void
 147 GradientsView::DrawRadialFocus(BRect update)
 148 {
 149         BGradientRadialFocus gradient;
 150         rgb_color c;
 151         c.red = 255;
 152         c.green = 0;
 153         c.blue = 0;
 154         gradient.AddColor(c, 0);
 155         c.red = 0;
 156         c.green = 255;
 157         c.blue = 0;
 158         gradient.AddColor(c, 127);
 159         c.red = 0;
 160         c.green = 0;
 161         c.blue = 255;
 162         gradient.AddColor(c, 255);
 163
 164         // RoundRect
 165         SetHighColor(0, 0, 0);
 166         FillRoundRect(BRect(10, 10, 110, 110), 5, 5);
 167         gradient.SetCenter(BPoint(170, 60));
 168         FillRoundRect(BRect(120, 10, 220, 110), 5, 5, gradient);
 169
 170         // Rect
 171         SetHighColor(0, 0, 0);
 172         FillRect(BRect(10, 120, 110, 220));
 173         gradient.SetCenter(BPoint(170, 170));
 174         FillRect(BRect(120, 120, 220, 220), gradient);
 175
 176         // Triangle
 177         SetHighColor(0, 0, 0);
 178         FillTriangle(BPoint(60, 230), BPoint(10, 330), BPoint(110, 330));
 179         gradient.SetCenter(BPoint(170, 280));
 180         FillTriangle(BPoint(170, 230), BPoint(120, 330), BPoint(220, 330),
 181                 gradient);
 182
 183         // Ellipse
 184         SetHighColor(0, 0, 0);
 185         FillEllipse(BPoint(60, 390), 50, 50);
 186         gradient.SetCenter(BPoint(170, 390));
 187         FillEllipse(BPoint(170, 390), 50, 50, gradient);
 188 }
 189
 190
 191 void
 192 GradientsView::DrawDiamond(BRect update)
 193 {
 194         BGradientDiamond gradient;
 195         rgb_color c;
 196         c.red = 255;
 197         c.green = 0;
 198         c.blue = 0;
 199         gradient.AddColor(c, 0);
 200         c.red = 0;
 201         c.green = 255;
 202         c.blue = 0;
 203         gradient.AddColor(c, 127);
 204         c.red = 0;
 205         c.green = 0;
 206         c.blue = 255;
 207         gradient.AddColor(c, 255);
 208
 209         // RoundRect
 210         SetHighColor(0, 0, 0);
 211         FillRoundRect(BRect(10, 10, 110, 110), 5, 5);
 212         gradient.SetCenter(BPoint(170, 60));
 213         FillRoundRect(BRect(120, 10, 220, 110), 5, 5, gradient);
 214
 215         // Rect
 216         SetHighColor(0, 0, 0);
 217         FillRect(BRect(10, 120, 110, 220));
 218         gradient.SetCenter(BPoint(170, 170));
 219         FillRect(BRect(120, 120, 220, 220), gradient);
 220
 221         // Triangle
 222         SetHighColor(0, 0, 0);
 223         FillTriangle(BPoint(60, 230), BPoint(10, 330), BPoint(110, 330));
 224         gradient.SetCenter(BPoint(170, 280));
 225         FillTriangle(BPoint(170, 230), BPoint(120, 330), BPoint(220, 330),
 226                 gradient);
 227
 228         // Ellipse
 229         SetHighColor(0, 0, 0);
 230         FillEllipse(BPoint(60, 390), 50, 50);
 231         gradient.SetCenter(BPoint(170, 390));
 232         FillEllipse(BPoint(170, 390), 50, 50, gradient);
 233 }
 234
 235
 236 void
 237 GradientsView::DrawConic(BRect update)
 238 {
 239         BGradientConic gradient;
 240         rgb_color c;
 241         c.red = 255;
 242         c.green = 0;
 243         c.blue = 0;
 244         gradient.AddColor(c, 0);
 245         c.red = 0;
 246         c.green = 255;
 247         c.blue = 0;
 248         gradient.AddColor(c, 127);
 249         c.red = 0;
 250         c.green = 0;
 251         c.blue = 255;
 252         gradient.AddColor(c, 255);
 253
 254         // RoundRect
 255         SetHighColor(0, 0, 0);
 256         FillRoundRect(BRect(10, 10, 110, 110), 5, 5);
 257         gradient.SetCenter(BPoint(170, 60));
 258         FillRoundRect(BRect(120, 10, 220, 110), 5, 5, gradient);
 259
 260         // Rect
 261         SetHighColor(0, 0, 0);
 262         FillRect(BRect(10, 120, 110, 220));
 263         gradient.SetCenter(BPoint(170, 170));
 264         FillRect(BRect(120, 120, 220, 220), gradient);
 265
 266         // Triangle
 267         SetHighColor(0, 0, 0);
 268         FillTriangle(BPoint(60, 230), BPoint(10, 330), BPoint(110, 330));
 269         gradient.SetCenter(BPoint(170, 280));
 270         FillTriangle(BPoint(170, 230), BPoint(120, 330), BPoint(220, 330),
 271                 gradient);
 272
 273         // Ellipse
 274         SetHighColor(0, 0, 0);
 275         FillEllipse(BPoint(60, 390), 50, 50);
 276         gradient.SetCenter(BPoint(170, 390));
 277         FillEllipse(BPoint(170, 390), 50, 50, gradient);
 278 }
 279
 280
 281 void
 282 GradientsView::SetType(BGradient::Type type)
 283 {
 284         fType = type;
 285         Invalidate();
 286 }