win/C#/Controls/PictureSettings.cs

   1 using System;\r
   2 using System.ComponentModel;\r
   3 using System.Drawing;\r
   4 using System.Globalization;\r
   5 using System.Windows.Forms;\r
   6 using Handbrake.Parsing;\r
   7 \r
   8 namespace Handbrake.Controls\r
   9 {\r
  10     public partial class PictureSettings : UserControl\r
  11     {\r
  12         private readonly CultureInfo Culture = new CultureInfo("en-US", false);\r
  13         public event EventHandler PictureSettingsChanged;\r
  14 \r
  15         private Boolean _preventChangingWidth, _preventChangingHeight, _preventChangingCustom, _preventChangingDisplayWidth;\r
  16         private int _presetMaximumWidth, _presetMaximumHeight;\r
  17         private double _cachedDar;\r
  18         private Title _sourceTitle;\r
  19 \r
  20         public PictureSettings()\r
  21         {\r
  22             InitializeComponent();\r
  23 \r
  24             drp_anamorphic.SelectedIndex = 1;\r
  25             drp_modulus.SelectedIndex = 0;\r
  26         }\r
  27 \r
  28         /// <summary>\r
  29         /// Gets or sets the source media used by this control.\r
  30         /// </summary>\r
  31         [Browsable(false)]\r
  32         [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]\r
  33         public Title Source\r
  34         {\r
  35             private get { return _sourceTitle; }\r
  36             set\r
  37             {\r
  38                 _sourceTitle = value;\r
  39                 Enabled = _sourceTitle != null;\r
  40 \r
  41                 // Set the Aspect Ratio\r
  42                 lbl_Aspect.Text = _sourceTitle.AspectRatio.ToString(Culture);\r
  43                 lbl_src_res.Text = _sourceTitle.Resolution.Width + " x " + _sourceTitle.Resolution.Height;\r
  44 \r
  45                 // Set the Recommended Cropping values\r
  46                 crop_top.Value = GetCropMod2Clean(_sourceTitle.AutoCropDimensions[0]);\r
  47                 crop_bottom.Value = GetCropMod2Clean(_sourceTitle.AutoCropDimensions[1]);\r
  48                 crop_left.Value = GetCropMod2Clean(_sourceTitle.AutoCropDimensions[2]);\r
  49                 crop_right.Value = GetCropMod2Clean(_sourceTitle.AutoCropDimensions[3]);\r
  50 \r
  51                 // Set the Resolution Boxes\r
  52                 if (drp_anamorphic.SelectedIndex == 0)\r
  53                 {\r
  54                     if (text_width.Value == 0) // Only update the values if the fields don't already have values.\r
  55                         text_width.Value = _sourceTitle.Resolution.Width;\r
  56 \r
  57                     check_KeepAR.Checked = true; // Forces Resolution to be correct.\r
  58                 }\r
  59                 else\r
  60                 {\r
  61                     if (text_width.Value == 0 && text_height.Value == 0)// Only update the values if the fields don't already have values.\r
  62                     {\r
  63                         text_width.Value = _sourceTitle.Resolution.Width;\r
  64                         text_height.Value = _sourceTitle.Resolution.Height - (int)crop_top.Value - (int)crop_bottom.Value;\r
  65                     }\r
  66 \r
  67                     labelDisplaySize.Text = CalculateAnamorphicSizes().Width + "x" + CalculateAnamorphicSizes().Height;\r
  68                 }\r
  69 \r
  70                 //updownDisplayWidth.Value = CalculateAnamorphicSizes().Width;\r
  71                 updownParWidth.Value = _sourceTitle.ParVal.Width;\r
  72                 updownParHeight.Value = _sourceTitle.ParVal.Height;\r
  73                 //_cachedDar = (double)updownDisplayWidth.Value / (double)text_height.Value;\r
  74 \r
  75 \r
  76                 Size croppedDar = CalculateAnamorphicSizes();\r
  77                 _cachedDar = (double) croppedDar.Width/croppedDar.Height;\r
  78                 updownDisplayWidth.Value = croppedDar.Width;\r
  79             }\r
  80         }\r
  81 \r
  82         /// <summary>\r
  83         /// Gets or sets the maximum allowable size for the encoded resolution. Set a value to\r
  84         /// "0" if the maximum does not matter.\r
  85         /// </summary>\r
  86         [Browsable(false)]\r
  87         [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]\r
  88         public Size PresetMaximumResolution\r
  89         {\r
  90             get { return new Size(_presetMaximumWidth, _presetMaximumHeight); }\r
  91             set\r
  92             {\r
  93                 _presetMaximumWidth = value.Width;\r
  94                 _presetMaximumHeight = value.Height;\r
  95 \r
  96                 if (value.Width != 0 && value.Height != 0)\r
  97                     lbl_max.Text = "Max Width / Height";\r
  98                 else if (value.Width != 0)\r
  99                     lbl_max.Text = "Max Width";\r
 100                 else if (value.Height != 0)\r
 101                     lbl_max.Text = "Max Height";\r
 102                 else\r
 103                     lbl_max.Text = "";\r
 104             }\r
 105         }\r
 106 \r
 107         // Picture Controls\r
 108         private void text_width_ValueChanged(object sender, EventArgs e)\r
 109         {\r
 110             if (Properties.Settings.Default.disableResCalc)\r
 111                 return;\r
 112 \r
 113             if (_preventChangingWidth)\r
 114                 return;\r
 115 \r
 116             // Make sure the new value doesn't exceed the maximum\r
 117             if (Source != null)\r
 118                 if (text_width.Value > Source.Resolution.Width)\r
 119                     text_width.Value = Source.Resolution.Width;\r
 120 \r
 121             switch (drp_anamorphic.SelectedIndex)\r
 122             {\r
 123                 case 0:\r
 124                     if (check_KeepAR.Checked && Source != null)\r
 125                     {\r
 126                         _preventChangingHeight = true;\r
 127 \r
 128                         int width = (int)text_width.Value;\r
 129 \r
 130                         double crop_width = Source.Resolution.Width - (int)crop_left.Value - (int)crop_right.Value;\r
 131                         double crop_height = Source.Resolution.Height - (int)crop_top.Value - (int)crop_bottom.Value;\r
 132 \r
 133                         if (SourceAspect.Width == 0 && SourceAspect.Height == 0)\r
 134                             break;\r
 135 \r
 136                         double newHeight = ((double)width * Source.Resolution.Width * SourceAspect.Height * crop_height) /\r
 137                                            (Source.Resolution.Height * SourceAspect.Width * crop_width);\r
 138                         text_height.Value = (decimal)GetModulusValue(newHeight);\r
 139 \r
 140                         _preventChangingHeight = false;\r
 141                     }\r
 142                     break;\r
 143                 case 3:\r
 144                     if (check_KeepAR.CheckState == CheckState.Unchecked && Source != null)\r
 145                     {\r
 146                         if (_preventChangingCustom)\r
 147                             break;\r
 148 \r
 149                         _preventChangingDisplayWidth = true;\r
 150                         updownDisplayWidth.Value = text_width.Value * updownParWidth.Value / updownParHeight.Value;\r
 151                         _preventChangingDisplayWidth = false;\r
 152 \r
 153                         labelDisplaySize.Text = Math.Truncate(updownDisplayWidth.Value) + "x" + text_height.Value;\r
 154                     }\r
 155 \r
 156                     if (check_KeepAR.CheckState == CheckState.Checked && Source != null)\r
 157                     {\r
 158                         updownParWidth.Value = updownDisplayWidth.Value;\r
 159                         updownParHeight.Value = text_width.Value;\r
 160                     }\r
 161                     break;\r
 162                 default:\r
 163                     labelDisplaySize.Text = CalculateAnamorphicSizes().Width + "x" + CalculateAnamorphicSizes().Height;\r
 164                     break;\r
 165             }\r
 166 \r
 167             _preventChangingWidth = false;\r
 168         }\r
 169         private void text_height_ValueChanged(object sender, EventArgs e)\r
 170         {\r
 171             if (Properties.Settings.Default.disableResCalc)\r
 172                 return;\r
 173 \r
 174             if (_preventChangingHeight)\r
 175                 return;\r
 176 \r
 177             if (Source != null)\r
 178                 if (text_height.Value > Source.Resolution.Height)\r
 179                     text_height.Value = Source.Resolution.Height;\r
 180 \r
 181             switch (drp_anamorphic.SelectedIndex)\r
 182             {\r
 183                 case 0:\r
 184                     if (check_KeepAR.Checked && Source != null)\r
 185                     {\r
 186                         _preventChangingWidth = true;\r
 187 \r
 188                         double crop_width = Source.Resolution.Width - (int)crop_left.Value - (int)crop_right.Value;\r
 189                         double crop_height = Source.Resolution.Height - (int)crop_top.Value - (int)crop_bottom.Value;\r
 190 \r
 191                         double new_width = ((double)text_height.Value * Source.Resolution.Height * SourceAspect.Width * crop_width) /\r
 192                                             (Source.Resolution.Width * SourceAspect.Height * crop_height);\r
 193 \r
 194                         text_width.Value = (decimal)GetModulusValue(new_width);\r
 195 \r
 196                         _preventChangingWidth = false;\r
 197                     }\r
 198                     break;\r
 199                 case 3:\r
 200                     labelDisplaySize.Text = Math.Truncate(updownDisplayWidth.Value) + "x" + text_height.Value;\r
 201 \r
 202                     if (check_KeepAR.CheckState == CheckState.Checked && Source != null)\r
 203                     {\r
 204                         // - Changes DISPLAY WIDTH to keep DAR\r
 205                         // - Changes PIXEL WIDTH to new DISPLAY WIDTH\r
 206                         // - Changes PIXEL HEIGHT to STORAGE WIDTH\r
 207                         // DAR = DISPLAY WIDTH / DISPLAY HEIGHT (cache after every modification)\r
 208 \r
 209                         double rawCalculatedDisplayWidth = (double)text_height.Value * _cachedDar;\r
 210 \r
 211                         _preventChangingDisplayWidth = true; // Start Guards\r
 212                         _preventChangingWidth = true;\r
 213 \r
 214                         updownDisplayWidth.Value = (decimal)rawCalculatedDisplayWidth;\r
 215                         updownParWidth.Value = updownDisplayWidth.Value;\r
 216                         updownParHeight.Value = text_width.Value;\r
 217 \r
 218                         _preventChangingWidth = false; // Reset Guards\r
 219                         _preventChangingDisplayWidth = false;\r
 220                     }\r
 221 \r
 222                     break;\r
 223                 default:\r
 224                     labelDisplaySize.Text = CalculateAnamorphicSizes().Width + "x" + CalculateAnamorphicSizes().Height;\r
 225                     break;\r
 226             }\r
 227 \r
 228             _preventChangingHeight = false;\r
 229         }\r
 230         private void check_KeepAR_CheckedChanged(object sender, EventArgs e)\r
 231         {\r
 232             if (Properties.Settings.Default.disableResCalc)\r
 233                 return;\r
 234 \r
 235             //Force TextWidth to recalc height\r
 236             if (check_KeepAR.Checked)\r
 237                 text_width_ValueChanged(this, new EventArgs());\r
 238 \r
 239             // Disable the Custom Anamorphic Par Controls if checked.\r
 240             if (drp_anamorphic.SelectedIndex == 3)\r
 241             {\r
 242                 updownParWidth.Enabled = !check_KeepAR.Checked;\r
 243                 updownParHeight.Enabled = !check_KeepAR.Checked;\r
 244             }\r
 245 \r
 246             // Raise the Picture Settings Changed Event\r
 247             if (PictureSettingsChanged != null)\r
 248                 PictureSettingsChanged(this, new EventArgs());\r
 249         }\r
 250         private void updownDisplayWidth_ValueChanged(object sender, EventArgs e)\r
 251         {\r
 252             if (Properties.Settings.Default.disableResCalc)\r
 253                 return;\r
 254 \r
 255             if (_preventChangingDisplayWidth == false && check_KeepAR.CheckState == CheckState.Unchecked)\r
 256             {\r
 257                 _preventChangingCustom = true;\r
 258                 updownParWidth.Value = updownDisplayWidth.Value;\r
 259                 updownParHeight.Value = text_width.Value;\r
 260                 _preventChangingCustom = false;\r
 261             }\r
 262 \r
 263             if (_preventChangingDisplayWidth == false && check_KeepAR.CheckState == CheckState.Checked)\r
 264             {\r
 265                 // - Changes HEIGHT to keep DAR\r
 266                 // - Changes PIXEL WIDTH to new DISPLAY WIDTH\r
 267                 // - Changes PIXEL HEIGHT to STORAGE WIDTH\r
 268                 // DAR = DISPLAY WIDTH / DISPLAY HEIGHT (cache after every modification)\r
 269 \r
 270                 // Calculate new Height Value\r
 271                 int modulus;\r
 272                 if(!int.TryParse(drp_modulus.SelectedItem.ToString(), out modulus))\r
 273                     modulus = 16;\r
 274 \r
 275                 int rawCalculatedHeight = (int)((int)updownDisplayWidth.Value / _cachedDar);\r
 276                 int modulusHeight = rawCalculatedHeight - (rawCalculatedHeight % modulus);\r
 277 \r
 278                 // Update value\r
 279                 _preventChangingHeight = true;\r
 280                 text_height.Value = (decimal)modulusHeight;\r
 281                 updownParWidth.Value = updownDisplayWidth.Value;\r
 282                 updownParHeight.Value = text_width.Value;\r
 283                 _preventChangingHeight = false;\r
 284             }\r
 285 \r
 286         }\r
 287 \r
 288         // Anamorphic Controls\r
 289         private void drp_anamorphic_SelectedIndexChanged(object sender, EventArgs e)\r
 290         {\r
 291             switch (drp_anamorphic.SelectedIndex)\r
 292             {\r
 293                 case 0:\r
 294                     text_width.Enabled = true;\r
 295                     text_height.Enabled = true;\r
 296                     check_KeepAR.Enabled = true;\r
 297 \r
 298                     SetCustomAnamorphicOptionsVisible(false);\r
 299                     labelStaticDisplaySize.Visible = false;\r
 300                     labelDisplaySize.Visible = false;\r
 301 \r
 302                     check_KeepAR.Checked = true;\r
 303                     drp_modulus.SelectedIndex = 0;\r
 304 \r
 305                     if (check_KeepAR.Checked)\r
 306                         text_width_ValueChanged(this, new EventArgs());\r
 307                     // Don't update display size if we're not using anamorphic\r
 308                     return;\r
 309                 case 1:\r
 310                     text_width.Enabled = false;\r
 311                     text_height.Enabled = false;\r
 312                     check_KeepAR.Enabled = false;\r
 313 \r
 314                     SetCustomAnamorphicOptionsVisible(false);\r
 315                     labelStaticDisplaySize.Visible = true;\r
 316                     labelDisplaySize.Visible = true;\r
 317                     drp_modulus.SelectedIndex = 0;\r
 318 \r
 319                     check_KeepAR.Checked = true;\r
 320                     break;\r
 321                 case 2:\r
 322                     text_width.Enabled = true;\r
 323                     text_height.Enabled = false;\r
 324                     check_KeepAR.Enabled = false;\r
 325 \r
 326                     SetCustomAnamorphicOptionsVisible(false);\r
 327                     labelStaticDisplaySize.Visible = true;\r
 328                     labelDisplaySize.Visible = true;\r
 329                     drp_modulus.SelectedIndex = 0;\r
 330 \r
 331                     check_KeepAR.Checked = true;\r
 332                     break;\r
 333                 case 3:\r
 334                     text_width.Enabled = true;\r
 335                     text_height.Enabled = true;\r
 336                     check_KeepAR.Enabled = true;\r
 337 \r
 338                     SetCustomAnamorphicOptionsVisible(true);\r
 339                     labelStaticDisplaySize.Visible = true;\r
 340                     labelDisplaySize.Visible = true;\r
 341 \r
 342                     check_KeepAR.Checked = true;\r
 343                     break;\r
 344             }\r
 345 \r
 346             labelDisplaySize.Text = CalculateAnamorphicSizes().Width + "x" + CalculateAnamorphicSizes().Height;\r
 347 \r
 348             if (check_KeepAR.Checked)\r
 349                 text_width_ValueChanged(this, new EventArgs());\r
 350 \r
 351             if (PictureSettingsChanged != null)\r
 352                 PictureSettingsChanged(this, new EventArgs());\r
 353         }\r
 354         private void drp_modulus_SelectedIndexChanged(object sender, EventArgs e)\r
 355         {\r
 356             _preventChangingWidth = true;\r
 357             _preventChangingHeight = true;\r
 358 \r
 359             text_width.Value = (decimal)GetModulusValue((double)text_width.Value);\r
 360             text_height.Value = (decimal)GetModulusValue((double)text_height.Value);\r
 361 \r
 362             _preventChangingWidth = false;\r
 363             _preventChangingHeight = false;\r
 364 \r
 365             text_width.Increment = int.Parse(drp_modulus.SelectedItem.ToString());\r
 366             text_height.Increment = int.Parse(drp_modulus.SelectedItem.ToString());\r
 367 \r
 368             if (PictureSettingsChanged != null)\r
 369                 PictureSettingsChanged(this, new EventArgs());\r
 370         }\r
 371 \r
 372         // Cropping Controls\r
 373         private void check_autoCrop_CheckedChanged(object sender, EventArgs e)\r
 374         {\r
 375             crop_top.Enabled = check_customCrop.Checked;\r
 376             crop_bottom.Enabled = check_customCrop.Checked;\r
 377             crop_left.Enabled = check_customCrop.Checked;\r
 378             crop_right.Enabled = check_customCrop.Checked;\r
 379         }\r
 380         private void crop_ValueChanged(object sender, EventArgs e)\r
 381         {\r
 382             text_width_ValueChanged(this, new EventArgs());\r
 383         }\r
 384 \r
 385         // GUI Functions\r
 386         private void SetCustomAnamorphicOptionsVisible(bool visible)\r
 387         {\r
 388             lbl_modulus.Visible = visible;\r
 389             lbl_displayWidth.Visible = visible;\r
 390             lbl_parWidth.Visible = visible;\r
 391             lbl_parHeight.Visible = visible;\r
 392 \r
 393             drp_modulus.Visible = visible;\r
 394             updownDisplayWidth.Visible = visible;\r
 395             updownParWidth.Visible = visible;\r
 396             updownParHeight.Visible = visible;\r
 397         }\r
 398 \r
 399         // Calculation Functions\r
 400         private Size SourceAspect\r
 401         {\r
 402             get\r
 403             {\r
 404                 if (Source != null) // display aspect = (width * par_width) / (height * par_height)\r
 405                     return new Size((Source.ParVal.Width * Source.Resolution.Width), (Source.ParVal.Height * Source.Resolution.Height));\r
 406 \r
 407                 return new Size(0, 0); // Fall over to 16:9 and hope for the best\r
 408             }\r
 409         }\r
 410         private Size CalculateAnamorphicSizes()\r
 411         {\r
 412             if (Source != null)\r
 413             {\r
 414                 /* Set up some variables to make the math easier to follow. */\r
 415                 int cropped_width = Source.Resolution.Width - (int)crop_left.Value - (int)crop_right.Value;\r
 416                 int cropped_height = Source.Resolution.Height - (int)crop_top.Value - (int)crop_bottom.Value;\r
 417                 double storage_aspect = (double)cropped_width / cropped_height;\r
 418 \r
 419                 /* Figure out what width the source would display at. */\r
 420                 double source_display_width = (double)cropped_width * Source.ParVal.Width / Source.ParVal.Height;\r
 421 \r
 422                 /*\r
 423                      3 different ways of deciding output dimensions:\r
 424                       - 1: Strict anamorphic, preserve source dimensions\r
 425                       - 2: Loose anamorphic, round to mod16 and preserve storage aspect ratio\r
 426                       - 3: Power user anamorphic, specify everything\r
 427                   */\r
 428                 double width, height;\r
 429                 switch (drp_anamorphic.SelectedIndex)\r
 430                 {\r
 431                     default:\r
 432                     case 1:\r
 433                         /* Strict anamorphic */\r
 434                         double displayWidth = ((double)cropped_width * Source.ParVal.Width / Source.ParVal.Height);\r
 435                         displayWidth = Math.Round(displayWidth, 0);\r
 436                         Size output = new Size((int)displayWidth, cropped_height);\r
 437                         return output;\r
 438                     case 2:\r
 439                         /* "Loose" anamorphic.\r
 440                             - Uses mod16-compliant dimensions,\r
 441                             - Allows users to set the width\r
 442                         */\r
 443                         width = (int)text_width.Value - (int)crop_left.Value - (int)crop_right.Value;\r
 444                         width = GetModulusValue(width); /* Time to get picture width that divide cleanly.*/\r
 445 \r
 446                         height = (width / storage_aspect) + 0.5;\r
 447                         height = GetModulusValue(height); /* Time to get picture height that divide cleanly.*/\r
 448 \r
 449                         /* The film AR is the source's display width / cropped source height.\r
 450                            The output display width is the output height * film AR.\r
 451                            The output PAR is the output display width / output storage width. */\r
 452                         double pixel_aspect_width = height * source_display_width / cropped_height;\r
 453                         double pixel_aspect_height = width;\r
 454 \r
 455                         double disWidthLoose = (width * pixel_aspect_width / pixel_aspect_height);\r
 456                         return new Size((int)disWidthLoose, (int)height);\r
 457                     case 3:\r
 458 \r
 459                         // Get the User Interface Values\r
 460                         double UIdisplayWidth;\r
 461                         double.TryParse(updownDisplayWidth.Text, out UIdisplayWidth);\r
 462 \r
 463                         /* Anamorphic 3: Power User Jamboree - Set everything based on specified values */\r
 464                         height = GetModulusValue((double)text_height.Value);\r
 465 \r
 466                         if (check_KeepAR.Checked)\r
 467                             return new Size((int)Math.Truncate(UIdisplayWidth), (int)height);\r
 468 \r
 469                         return new Size((int)Math.Truncate(UIdisplayWidth), (int)height);\r
 470                 }\r
 471             }\r
 472 \r
 473             // Return a default value of 0,0 to indicate failure\r
 474             return new Size(0, 0);\r
 475         }\r
 476         private double GetModulusValue(double value)\r
 477         {\r
 478             int mod = int.Parse(drp_modulus.SelectedItem.ToString());\r
 479             double remainder = value % mod;\r
 480 \r
 481             if (remainder == 0)\r
 482                 return value;\r
 483 \r
 484             return remainder >= ((double)mod / 2) ? value + (mod - remainder) : value - remainder;\r
 485         }\r
 486         private static int GetCropMod2Clean(int value)\r
 487         {\r
 488             int remainder = value % 2;\r
 489             if (remainder == 0) return value;\r
 490             return (value + remainder);\r
 491         }\r
 492 \r
 493         // Hidden UI feature to drop the MaxWidth / Height with the MaxWidth/Height label is double clicked\r
 494         private void lbl_max_DoubleClick(object sender, EventArgs e)\r
 495         {\r
 496             PresetMaximumResolution = new Size(0,0);\r
 497             if (PictureSettingsChanged != null)\r
 498                 PictureSettingsChanged(this, new EventArgs());\r
 499         }\r
 500     }\r
 501 }