1 /*****************************************************************************/ 2 // SGIView 3 // Adopted by Stephan Aßmus, <stippi@yellowbites.com> 4 // from TIFFView written by 5 // Picking the compression method added by Stephan Aßmus, <stippi@yellowbites.com> 6 // 7 // SGIView.cpp 8 // 9 // This BView based object displays information about the SGITranslator. 10 // 11 // 12 // Copyright (c) 2003 OpenBeOS Project 13 // 14 // Permission is hereby granted, free of charge, to any person obtaining a 15 // copy of this software and associated documentation files (the "Software"), 16 // to deal in the Software without restriction, including without limitation 17 // the rights to use, copy, modify, merge, publish, distribute, sublicense, 18 // and/or sell copies of the Software, and to permit persons to whom the 19 // Software is furnished to do so, subject to the following conditions: 20 // 21 // The above copyright notice and this permission notice shall be included 22 // in all copies or substantial portions of the Software. 23 // 24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 25 // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 26 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 27 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 28 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 29 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 30 // DEALINGS IN THE SOFTWARE. 31 /*****************************************************************************/ 32 33 #include <stdio.h> 34 #include <string.h> 35 36 #include <MenuBar.h> 37 #include <MenuField.h> 38 #include <MenuItem.h> 39 #include <PopUpMenu.h> 40 #include <Window.h> 41 42 #include "SGIImage.h" 43 #include "SGITranslator.h" 44 #include "SGIView.h" 45 46 const char* author = "Stephan Aßmus, <stippi@yellowbites.com>"; 47 48 // add_menu_item 49 void 50 add_menu_item(BMenu* menu, 51 uint32 compression, 52 const char* label, 53 uint32 currentCompression) 54 { 55 BMessage* message = new BMessage(SGIView::MSG_COMPRESSION_CHANGED); 56 message->AddInt32("value", compression); 57 BMenuItem* item = new BMenuItem(label, message); 58 item->SetMarked(currentCompression == compression); 59 menu->AddItem(item); 60 } 61 62 // --------------------------------------------------------------- 63 // Constructor 64 // 65 // Sets up the view settings 66 // 67 // Preconditions: 68 // 69 // Parameters: 70 // 71 // Postconditions: 72 // 73 // Returns: 74 // --------------------------------------------------------------- 75 SGIView::SGIView(const BRect &frame, const char *name, 76 uint32 resize, uint32 flags, TranslatorSettings *settings) 77 : BView(frame, name, resize, flags), 78 fSettings(settings) 79 { 80 SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR)); 81 82 BPopUpMenu* menu = new BPopUpMenu("pick compression"); 83 84 uint32 currentCompression = fSettings->SetGetInt32(SGI_SETTING_COMPRESSION); 85 // create the menu items with the various compression methods 86 add_menu_item(menu, SGI_COMP_NONE, "None", currentCompression); 87 // menu->AddSeparatorItem(); 88 add_menu_item(menu, SGI_COMP_RLE, "RLE", currentCompression); 89 90 // DON'T turn this on, it's so slow that I didn't wait long enough 91 // the one time I tested this. So I don't know if the code even works. 92 // Supposedly, this would look for an already written scanline, and 93 // modify the scanline tables so that the current row is not written 94 // at all... 95 96 // add_menu_item(menu, SGI_COMP_ARLE, "Agressive RLE", currentCompression); 97 98 BRect menuFrame = Bounds(); 99 menuFrame.bottom = menuFrame.top + menu->Bounds().Height(); 100 fCompressionMF = new BMenuField(menuFrame, "compression", 101 "Use Compression:", menu, true/*, 102 B_FOLLOW_LEFT_RIGHT | B_FOLLOW_TOP*/); 103 if (fCompressionMF->MenuBar()) 104 fCompressionMF->MenuBar()->ResizeToPreferred(); 105 fCompressionMF->ResizeToPreferred(); 106 107 // figure out where the text ends 108 font_height fh; 109 be_bold_font->GetHeight(&fh); 110 float xbold, ybold; 111 xbold = fh.descent + 1; 112 ybold = fh.ascent + fh.descent * 2 + fh.leading; 113 114 font_height plainh; 115 be_plain_font->GetHeight(&plainh); 116 float yplain; 117 yplain = plainh.ascent + plainh.descent * 2 + plainh.leading; 118 119 // position the menu field below all the text we draw in Draw() 120 BPoint textOffset(0.0, yplain * 2 + ybold); 121 fCompressionMF->MoveTo(textOffset); 122 123 AddChild(fCompressionMF); 124 125 ResizeToPreferred(); 126 } 127 128 // --------------------------------------------------------------- 129 // Destructor 130 // 131 // Does nothing 132 // 133 // Preconditions: 134 // 135 // Parameters: 136 // 137 // Postconditions: 138 // 139 // Returns: 140 // --------------------------------------------------------------- 141 SGIView::~SGIView() 142 { 143 fSettings->Release(); 144 } 145 146 // --------------------------------------------------------------- 147 // MessageReceived 148 // 149 // Handles state changes of the Compression menu field 150 // 151 // Preconditions: 152 // 153 // Parameters: area, not used 154 // 155 // Postconditions: 156 // 157 // Returns: 158 // --------------------------------------------------------------- 159 void 160 SGIView::MessageReceived(BMessage* message) 161 { 162 switch (message->what) { 163 case MSG_COMPRESSION_CHANGED: { 164 int32 value; 165 if (message->FindInt32("value", &value) >= B_OK) { 166 fSettings->SetGetInt32(SGI_SETTING_COMPRESSION, &value); 167 fSettings->SaveSettings(); 168 } 169 fCompressionMF->ResizeToPreferred(); 170 break; 171 } 172 default: 173 BView::MessageReceived(message); 174 } 175 } 176 177 // --------------------------------------------------------------- 178 // AllAttached 179 // 180 // sets the target for the controls controlling the configuration 181 // 182 // Preconditions: 183 // 184 // Parameters: area, not used 185 // 186 // Postconditions: 187 // 188 // Returns: 189 // --------------------------------------------------------------- 190 void 191 SGIView::AllAttached() 192 { 193 fCompressionMF->Menu()->SetTargetForItems(this); 194 fCompressionMF->ResizeToPreferred(); 195 fCompressionMF->SetDivider(fCompressionMF->StringWidth(fCompressionMF->Label()) + 3); 196 } 197 198 // --------------------------------------------------------------- 199 // AttachedToWindow 200 // 201 // hack to make the window recognize our size 202 // 203 // Preconditions: 204 // 205 // Parameters: area, not used 206 // 207 // Postconditions: 208 // 209 // Returns: 210 // --------------------------------------------------------------- 211 void 212 SGIView::AttachedToWindow() 213 { 214 // Hack for DataTranslations which doesn't resize visible area to requested by view 215 // which makes some parts of bigger than usual translationviews out of visible area 216 // so if it was loaded to DataTranslations resize window if needed 217 BWindow *window = Window(); 218 if (!strcmp(window->Name(), "DataTranslations")) { 219 BView *view = Parent(); 220 if (view) { 221 BRect frame = view->Frame(); 222 float x, y; 223 GetPreferredSize(&x, &y); 224 if (frame.Width() < x || (frame.Height() - 48) < y) { 225 x -= frame.Width(); 226 y -= frame.Height() - 48; 227 if (x < 0) x = 0; 228 if (y < 0) y = 0; 229 230 // DataTranslations has main view called "Background" 231 // change it's resizing mode so it will always resize with window 232 // also make sure view will be redrawed after resize 233 view = window->FindView("Background"); 234 if (view) { 235 view->SetResizingMode(B_FOLLOW_ALL); 236 view->SetFlags(B_FULL_UPDATE_ON_RESIZE); 237 } 238 239 // The same with "Info..." button, except redrawing, which isn't needed 240 view = window->FindView("Info…"); 241 if (view) 242 view->SetResizingMode(B_FOLLOW_RIGHT | B_FOLLOW_BOTTOM); 243 244 window->ResizeBy( x, y); 245 } 246 } 247 } 248 } 249 250 // --------------------------------------------------------------- 251 // Draw 252 // 253 // Draws information about the SGITranslator to this view. 254 // 255 // Preconditions: 256 // 257 // Parameters: area, not used 258 // 259 // Postconditions: 260 // 261 // Returns: 262 // --------------------------------------------------------------- 263 void 264 SGIView::Draw(BRect area) 265 { 266 SetFont(be_bold_font); 267 font_height fh; 268 GetFontHeight(&fh); 269 float xbold, ybold; 270 xbold = fh.descent + 1; 271 ybold = fh.ascent + fh.descent * 2 + fh.leading; 272 273 const char* text = "SGI Image Translator"; 274 DrawString(text, BPoint(xbold, ybold)); 275 276 SetFont(be_plain_font); 277 font_height plainh; 278 GetFontHeight(&plainh); 279 float yplain; 280 yplain = plainh.ascent + plainh.descent * 2 + plainh.leading; 281 282 char detail[100]; 283 sprintf(detail, "Version %d.%d.%d %s", 284 static_cast<int>(B_TRANSLATION_MAJOR_VERSION(SGI_TRANSLATOR_VERSION)), 285 static_cast<int>(B_TRANSLATION_MINOR_VERSION(SGI_TRANSLATOR_VERSION)), 286 static_cast<int>(B_TRANSLATION_REVISION_VERSION(SGI_TRANSLATOR_VERSION)), 287 __DATE__); 288 DrawString(detail, BPoint(xbold, yplain + ybold)); 289 290 BPoint offset = fCompressionMF->Frame().LeftBottom(); 291 offset.x += xbold; 292 offset.y += 2 * ybold; 293 294 text = "written by:"; 295 DrawString(text, offset); 296 offset.y += ybold; 297 298 DrawString(author, offset); 299 offset.y += 2 * ybold; 300 301 text = "based on GIMP SGI plugin v1.5:"; 302 DrawString(text, offset); 303 offset.y += ybold; 304 305 DrawString(kSGICopyright, offset); 306 } 307 308 // --------------------------------------------------------------- 309 // Draw 310 // 311 // calculated the preferred size of this view 312 // 313 // Preconditions: 314 // 315 // Parameters: width and height 316 // 317 // Postconditions: 318 // 319 // Returns: in width and height, the preferred size... 320 // --------------------------------------------------------------- 321 void 322 SGIView::GetPreferredSize(float* width, float* height) 323 { 324 *width = fCompressionMF->Bounds().Width(); 325 // look at the two biggest strings 326 float width1 = StringWidth(kSGICopyright) + 15.0; 327 if (*width < width1) 328 *width = width1; 329 float width2 = be_plain_font->StringWidth(author) + 15.0; 330 if (*width < width2) 331 *width = width2; 332 333 font_height fh; 334 be_bold_font->GetHeight(&fh); 335 float ybold = fh.ascent + fh.descent * 2 + fh.leading; 336 337 *height = fCompressionMF->Bounds().bottom + 7 * ybold; 338 } 339