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comparison Framework/Radiography/RadiographyLayer.h @ 1321:d4e6cd35107b

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Clarified GetExtent/GetSceneExtent
author Alain Mazy <alain@mazy.be>
date Fri, 20 Mar 2020 12:52:13 +0100
parents 398ea4259e65
children a72c2c9af49a
comparison
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1301:d3c4f5e2b287 1321:d4e6cd35107b
19 **/ 19 **/
20 20
21 21
22 #pragma once 22 #pragma once
23 23
24 #include <algorithm>
25
24 #include "../Toolbox/AffineTransform2D.h" 26 #include "../Toolbox/AffineTransform2D.h"
25 #include "../Toolbox/Extent2D.h" 27 #include "../Toolbox/Extent2D.h"
26 #include "../Wrappers/CairoContext.h" 28 #include "../Wrappers/CairoContext.h"
27 #include "../Messages/IMessage.h" 29 #include "../Messages/IMessage.h"
28 #include "../Messages/IObservable.h" 30 #include "../Messages/IObservable.h"
271 273
272 void SetGeometry(const Geometry& geometry); 274 void SetGeometry(const Geometry& geometry);
273 275
274 void ResetCrop(); 276 void ResetCrop();
275 277
276 void SetCrop(unsigned int x, 278 void SetCrop(unsigned int x, // those are pixel coordinates/size
277 unsigned int y, 279 unsigned int y,
278 unsigned int width, 280 unsigned int width,
279 unsigned int height); 281 unsigned int height);
282
283 void SetCrop(const Extent2D& sceneExtent)
284 {
285 Extent2D imageCrop;
286
287 {
288 double x = sceneExtent.GetX1();
289 double y = sceneExtent.GetY1();
290 GetTransformInverse().Apply(x, y);
291 imageCrop.AddPoint(x, y);
292 }
293
294 {
295 double x = sceneExtent.GetX2();
296 double y = sceneExtent.GetY2();
297 GetTransformInverse().Apply(x, y);
298 imageCrop.AddPoint(x, y);
299 }
300
301 SetCrop(static_cast<unsigned int>(std::max(0.0, std::floor(imageCrop.GetX1()))),
302 static_cast<unsigned int>(std::max(0.0, std::floor(imageCrop.GetY1()))),
303 std::min(width_, static_cast<unsigned int>(std::ceil(imageCrop.GetWidth()))),
304 std::min(height_, static_cast<unsigned int>(std::ceil(imageCrop.GetHeight())))
305 );
306 }
307
280 308
281 void GetCrop(unsigned int& x, 309 void GetCrop(unsigned int& x,
282 unsigned int& y, 310 unsigned int& y,
283 unsigned int& width, 311 unsigned int& width,
284 unsigned int& height) const; 312 unsigned int& height) const;
314 unsigned int GetHeight() const 342 unsigned int GetHeight() const
315 { 343 {
316 return height_; 344 return height_;
317 } 345 }
318 346
319 Extent2D GetExtent() const; 347 Extent2D GetSceneExtent() const;
320 348
321 virtual bool GetPixel(unsigned int& imageX, 349 virtual bool GetPixel(unsigned int& imageX,
322 unsigned int& imageY, 350 unsigned int& imageY,
323 double sceneX, 351 double sceneX,
324 double sceneY) const; 352 double sceneY) const;