Mercurial Repositories > eric / file comparison
comparison: src/eric7/EricGraphics/EricGraphicsView.py
src/eric7/EricGraphics/EricGraphicsView.py
- branch
- eric7
- changeset 10423
- 299802979277
- parent 10373
- 093dcebe5ecb
- child 10439
- 21c28b0f9e41
equal
deleted
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replaced
| 10422:e28b89693f37 | 10423:299802979277 |
|---|---|
| 61 | 61 |
| 62 def __init__(self, scene, parent=None): | 62 def __init__(self, scene, parent=None): |
| 63 """ | 63 """ |
| 64 Constructor | 64 Constructor |
| 65 | 65 |
| 66 @param scene reference to the scene object (QGraphicsScene) | 66 @param scene reference to the scene object |
| 67 @param parent parent widget (QWidget) | 67 @type QGraphicsScene |
| 68 @param parent parent widget | |
| 69 @type QWidget | |
| 68 """ | 70 """ |
| 69 super().__init__(scene, parent) | 71 super().__init__(scene, parent) |
| 70 self.setObjectName("EricGraphicsView") | 72 self.setObjectName("EricGraphicsView") |
| 71 | 73 |
| 72 self.__initialSceneSize = self.scene().sceneRect().size() | 74 self.__initialSceneSize = self.scene().sceneRect().size() |
| 137 | 139 |
| 138 def __levelForZoom(self, zoom): | 140 def __levelForZoom(self, zoom): |
| 139 """ | 141 """ |
| 140 Private method determining the zoom level index given a zoom factor. | 142 Private method determining the zoom level index given a zoom factor. |
| 141 | 143 |
| 142 @param zoom zoom factor (integer) | 144 @param zoom zoom factor |
| 143 @return index of zoom factor (integer) | 145 @type int |
| 146 @return index of zoom factor | |
| 147 @rtype int | |
| 144 """ | 148 """ |
| 145 try: | 149 try: |
| 146 index = EricGraphicsView.ZoomLevels.index(zoom) | 150 index = EricGraphicsView.ZoomLevels.index(zoom) |
| 147 except ValueError: | 151 except ValueError: |
| 148 for index in range(len(EricGraphicsView.ZoomLevels)): | 152 for index in range(len(EricGraphicsView.ZoomLevels)): |
| 174 | 178 |
| 175 def setZoom(self, value): | 179 def setZoom(self, value): |
| 176 """ | 180 """ |
| 177 Public method to set the zoom value in percent. | 181 Public method to set the zoom value in percent. |
| 178 | 182 |
| 179 @param value zoom value in percent (integer) | 183 @param value zoom value in percent |
| 184 @type int | |
| 180 """ | 185 """ |
| 181 if value != self.zoom(): | 186 if value != self.zoom(): |
| 182 self.resetTransform() | 187 self.resetTransform() |
| 183 factor = value / 100.0 | 188 factor = value / 100.0 |
| 184 self.scale(factor, factor) | 189 self.scale(factor, factor) |
| 186 | 191 |
| 187 def zoom(self): | 192 def zoom(self): |
| 188 """ | 193 """ |
| 189 Public method to get the current zoom factor in percent. | 194 Public method to get the current zoom factor in percent. |
| 190 | 195 |
| 191 @return current zoom factor in percent (integer) | 196 @return current zoom factor in percent |
| 197 @rtype int | |
| 192 """ | 198 """ |
| 193 return int(self.transform().m11() * 100.0) | 199 return int(self.transform().m11() * 100.0) |
| 194 | 200 |
| 195 def resizeScene(self, amount, isWidth=True): | 201 def resizeScene(self, amount, isWidth=True): |
| 196 """ | 202 """ |
| 197 Public method to resize the scene. | 203 Public method to resize the scene. |
| 198 | 204 |
| 199 @param amount size increment (integer) | 205 @param amount size increment |
| 200 @param isWidth flag indicating width is to be resized (boolean) | 206 @type int |
| 207 @param isWidth flag indicating width is to be resized | |
| 208 @type bool | |
| 201 """ | 209 """ |
| 202 sceneRect = self.scene().sceneRect() | 210 sceneRect = self.scene().sceneRect() |
| 203 width = sceneRect.width() | 211 width = sceneRect.width() |
| 204 height = sceneRect.height() | 212 height = sceneRect.height() |
| 205 if isWidth: | 213 if isWidth: |
| 216 | 224 |
| 217 def setSceneSize(self, width, height): | 225 def setSceneSize(self, width, height): |
| 218 """ | 226 """ |
| 219 Public method to set the scene size. | 227 Public method to set the scene size. |
| 220 | 228 |
| 221 @param width width for the scene (real) | 229 @param width width for the scene |
| 222 @param height height for the scene (real) | 230 @type float |
| 231 @param height height for the scene | |
| 232 @type float | |
| 223 """ | 233 """ |
| 224 rect = self.scene().sceneRect() | 234 rect = self.scene().sceneRect() |
| 225 rect.setHeight(height) | 235 rect.setHeight(height) |
| 226 rect.setWidth(width) | 236 rect.setWidth(width) |
| 227 self.scene().setSceneRect(rect) | 237 self.scene().setSceneRect(rect) |
| 229 def autoAdjustSceneSize(self, limit=False): | 239 def autoAdjustSceneSize(self, limit=False): |
| 230 """ | 240 """ |
| 231 Public method to adjust the scene size to the diagram size. | 241 Public method to adjust the scene size to the diagram size. |
| 232 | 242 |
| 233 @param limit flag indicating to limit the scene to the | 243 @param limit flag indicating to limit the scene to the |
| 234 initial size (boolean) | 244 initial size |
| 245 @type bool | |
| 235 """ | 246 """ |
| 236 size = self._getDiagramSize(10) | 247 size = self._getDiagramSize(10) |
| 237 if limit: | 248 if limit: |
| 238 newWidth = max(size.width(), self.__initialSceneSize.width()) | 249 newWidth = max(size.width(), self.__initialSceneSize.width()) |
| 239 newHeight = max(size.height(), self.__initialSceneSize.height()) | 250 newHeight = max(size.height(), self.__initialSceneSize.height()) |
| 245 def _getDiagramRect(self, border=0): | 256 def _getDiagramRect(self, border=0): |
| 246 """ | 257 """ |
| 247 Protected method to calculate the minimum rectangle fitting the | 258 Protected method to calculate the minimum rectangle fitting the |
| 248 diagram. | 259 diagram. |
| 249 | 260 |
| 250 @param border border width to include in the calculation (integer) | 261 @param border border width to include in the calculation |
| 251 @return the minimum rectangle (QRectF) | 262 @type int |
| 263 @return the minimum rectangle | |
| 264 @rtype QRectF | |
| 252 """ | 265 """ |
| 253 startx = sys.maxsize | 266 startx = sys.maxsize |
| 254 starty = sys.maxsize | 267 starty = sys.maxsize |
| 255 endx = 0 | 268 endx = 0 |
| 256 endy = 0 | 269 endy = 0 |
| 278 | 291 |
| 279 def _getDiagramSize(self, border=0): | 292 def _getDiagramSize(self, border=0): |
| 280 """ | 293 """ |
| 281 Protected method to calculate the minimum size fitting the diagram. | 294 Protected method to calculate the minimum size fitting the diagram. |
| 282 | 295 |
| 283 @param border border width to include in the calculation (integer) | 296 @param border border width to include in the calculation |
| 284 @return the minimum size (QSizeF) | 297 @type int |
| 298 @return the minimum size | |
| 299 @rtype QSizeF | |
| 285 """ | 300 """ |
| 286 endx = 0 | 301 endx = 0 |
| 287 endy = 0 | 302 endy = 0 |
| 288 for itm in self.filteredItems(self.scene().items()): | 303 for itm in self.filteredItems(self.scene().items()): |
| 289 rect = itm.sceneBoundingRect() | 304 rect = itm.sceneBoundingRect() |
| 307 @param rect minimum rectangle fitting the diagram | 322 @param rect minimum rectangle fitting the diagram |
| 308 @type QRectF | 323 @type QRectF |
| 309 @param imageFormat format for the image file | 324 @param imageFormat format for the image file |
| 310 @type str | 325 @type str |
| 311 @param filename name of the file for non pixmaps | 326 @param filename name of the file for non pixmaps |
| 312 str | 327 @type str |
| 313 @return paint device containing the diagram | 328 @return paint device containing the diagram |
| 314 @rtype QPixmap or QSvgGenerator | 329 @rtype QPixmap or QSvgGenerator |
| 315 """ | 330 """ |
| 316 selectedItems = self.scene().selectedItems() | 331 selectedItems = self.scene().selectedItems() |
| 317 | 332 |
| 343 | 358 |
| 344 def saveImage(self, filename, imageFormat="PNG"): | 359 def saveImage(self, filename, imageFormat="PNG"): |
| 345 """ | 360 """ |
| 346 Public method to save the scene to a file. | 361 Public method to save the scene to a file. |
| 347 | 362 |
| 348 @param filename name of the file to write the image to (string) | 363 @param filename name of the file to write the image to |
| 349 @param imageFormat format for the image file (string) | 364 @type float |
| 350 @return flag indicating success (boolean) | 365 @param imageFormat format for the image file |
| 366 @type float | |
| 367 @return flag indicating success | |
| 368 @rtype bool | |
| 351 """ | 369 """ |
| 352 rect = self._getDiagramRect(self.border) | 370 rect = self._getDiagramRect(self.border) |
| 353 if imageFormat == "SVG": | 371 if imageFormat == "SVG": |
| 354 self.__getDiagram(rect, imageFormat=imageFormat, filename=filename) | 372 self.__getDiagram(rect, imageFormat=imageFormat, filename=filename) |
| 355 return True | 373 return True |
| 360 def printDiagram(self, printer, diagramName=""): | 378 def printDiagram(self, printer, diagramName=""): |
| 361 """ | 379 """ |
| 362 Public method to print the diagram. | 380 Public method to print the diagram. |
| 363 | 381 |
| 364 @param printer reference to a ready configured printer object | 382 @param printer reference to a ready configured printer object |
| 365 (QPrinter) | 383 @type QPrinter |
| 366 @param diagramName name of the diagram (string) | 384 @param diagramName name of the diagram |
| 385 @type float | |
| 367 """ | 386 """ |
| 368 painter = QPainter(printer) | 387 painter = QPainter(printer) |
| 369 | 388 |
| 370 font = QFont(["times"], 10) | 389 font = QFont(["times"], 10) |
| 371 painter.setFont(font) | 390 painter.setFont(font) |
| 430 def filteredItems(self, items): | 449 def filteredItems(self, items): |
| 431 """ | 450 """ |
| 432 Public method to filter a list of items. | 451 Public method to filter a list of items. |
| 433 | 452 |
| 434 @param items list of items as returned by the scene object | 453 @param items list of items as returned by the scene object |
| 435 (QGraphicsItem) | 454 @type QGraphicsItem |
| 436 @return list of interesting collision items (QGraphicsItem) | 455 @return list of interesting collision items |
| 456 @rtype QGraphicsItem | |
| 437 """ | 457 """ |
| 438 # just return the list unchanged | 458 # just return the list unchanged |
| 439 return list(items) | 459 return list(items) |
