Differential D25645 Diff 71062 kstars/fitsviewer/fitsview.h

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kstars/fitsviewer/fitsview.h

1/* FITS Label 1​/* FITS Label
2 Copyright (C) 2003-2017 Jasem Mutlaq <mutlaqja@ikarustech.com> 2​ Copyright (C) 2003-2017 Jasem Mutlaq <mutlaqja@ikarustech.com>
3 Copyright (C) 2016-2017 Robert Lancaster <rlancaste@gmail.com> 3​ Copyright (C) 2016-2017 Robert Lancaster <rlancaste@gmail.com>
4 4​
5 This application is free software; you can redistribute it and/or 5​ This application is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public 6​ modify it under the terms of the GNU General Public
7 License as published by the Free Software Foundation; either 7​ License as published by the Free Software Foundation; either
8 version 2 of the License, or (at your option) any later version. 8​ version 2 of the License, or (at your option) any later version.
9*/ 9​*/
10 10​
11#pragma once 11​#pragma once
12 12​
13#include "fitscommon.h" 13​#include "fitscommon.h"
14 14​
15#include <config-kstars.h> 15​#include <config-kstars.h>
16​#include "stretch.h"
16 17​
17#ifdef HAVE_DATAVISUALIZATION 18​#ifdef HAVE_DATAVISUALIZATION
18#include "starprofileviewer.h" 19​#include "starprofileviewer.h"
19#endif 20​#endif
20 21​
21#include <QFutureWatcher> 22​#include <QFutureWatcher>
22#include <QPixmap> 23​#include <QPixmap>
23#include <QScrollArea> 24​#include <QScrollArea>
▲ Show 20 Lines • Show All 174 Lines • ▼ Show 20 Line(s)55 public:
198 { 199​ {
199 return showStarProfile; 200​ return showStarProfile;
200 } 201​ }
201 // Floating toolbar 202​ // Floating toolbar
202 void createFloatingToolBar(); 203​ void createFloatingToolBar();
203 204​
204 //void setLoadWCSEnabled(bool value); 205​ //void setLoadWCSEnabled(bool value);
205 206​
207​ // Returns the params set to stretch the image.
208​ StretchParams getStretchParams() const { return stretchParams; }
209​
210​ // Returns true if we're automatically generating stretch parameters.
211​ // Note: this is not whether we're stretching, that's controlled by stretchImage.
212​ bool getAutoStretch() const { return autoStretch; }
213​
214​ // Sets the params for stretching. Will also stretch and re-display the image.
215​ // This only sets the first channel stretch params. For RGB images, the G&B channel
216​ // stretch parameters are a function of the Red input param and the existing RGB params.
217​ void setStretchParams(const StretchParams& params);
218​
219​ // Sets whether to stretch the image or not.
220​ // Will also re-display the image if onOff != stretchImage.
221​ void setStretch(bool onOff);
222​
223​ // Automatically generates stretch parameters and use them to re-display the image.
224​ void setAutoStretchParams();
225​
226​ // When sampling is > 1, we will display the image at a lower resolution.
227​ void setSampling(int value) { if (value > 0) sampling = value; }
228​
206 public slots: 229​ public slots:
207 void wheelEvent(QWheelEvent *event) override; 230​ void wheelEvent(QWheelEvent *event) override;
208 void resizeEvent(QResizeEvent *event) override; 231​ void resizeEvent(QResizeEvent *event) override;
209 void ZoomIn(); 232​ void ZoomIn();
210 void ZoomOut(); 233​ void ZoomOut();
211 void ZoomDefault(); 234​ void ZoomDefault();
212 void ZoomToFit(); 235​ void ZoomToFit();
213 236​
▲ Show 20 Lines • Show All 49 Lines • ▼ Show 20 Line(s)267 protected:
263 QPointF markerCrosshair; 286​ QPointF markerCrosshair;
264 /// Pointer to FITSData object 287​ /// Pointer to FITSData object
265 FITSData *imageData { nullptr }; 288​ FITSData *imageData { nullptr };
266 /// Current zoom level 289​ /// Current zoom level
267 double currentZoom { 0 }; 290​ double currentZoom { 0 };
268 291​
269 private: 292​ private:
270 bool processData(); 293​ bool processData();
294​ void doStretch(FITSData *data, QImage *outputImage);
271 295​
272 QLabel *noImageLabel { nullptr }; 296​ QLabel *noImageLabel { nullptr };
273 QPixmap noImage; 297​ QPixmap noImage;
274 298​
275 QVector<QPointF> eqGridPoints; 299​ QVector<QPointF> eqGridPoints;
276 300​
277 std::unique_ptr<FITSLabel> image_frame; 301​ std::unique_ptr<FITSLabel> image_frame;
278 302​
279 uint32_t image_width { 0 }; ​
280 uint32_t image_height { 0 }; ​
281 ​
282 /// Current width due to zoom 303​ /// Current width due to zoom
283 uint16_t currentWidth { 0 }; 304​ uint16_t currentWidth { 0 };
284 uint16_t lastWidth { 0 }; 305​ uint16_t lastWidth { 0 };
285 /// Current height due to zoom 306​ /// Current height due to zoom
286 uint16_t currentHeight { 0 }; 307​ uint16_t currentHeight { 0 };
287 uint16_t lastHeight { 0 }; 308​ uint16_t lastHeight { 0 };
288 /// Image zoom factor 309​ /// Image zoom factor
289 const double zoomFactor; 310​ const double zoomFactor;
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299 bool markStars { false }; 320​ bool markStars { false };
300 bool showStarProfile { false }; 321​ bool showStarProfile { false };
301 bool showCrosshair { false }; 322​ bool showCrosshair { false };
302 bool showObjects { false }; 323​ bool showObjects { false };
303 bool showEQGrid { false }; 324​ bool showEQGrid { false };
304 bool showPixelGrid { false }; 325​ bool showPixelGrid { false };
305 bool showStarsHFR { false }; 326​ bool showStarsHFR { false };
306 327​
328​ // Should the image be displayed in linear (false) or stretched (true).
329​ // Initial value controlled by Options::autoStretch.
307 bool stretchImage { false }; 330​ bool stretchImage { false };
308 331​
332​ // When stretching, should we automatically compute parameters.
333​ // When first displaying, this should be true, but may be set to false
334​ // if the user has overridden the automatically set parameters.
335​ bool autoStretch { true };
336​
337​ // Params for stretching image.
338​ StretchParams stretchParams;
339​
340​ // Resolution for display. Sampling=2 means display every other sample.
341​ int sampling { 1 };
342​
309 struct 343​ struct
310 { 344​ {
311 bool used() const 345​ bool used() const
312 { 346​ {
313 return innerRadius != 0.0f || outerRadius != 1.0f; 347​ return innerRadius != 0.0f || outerRadius != 1.0f;
314 } 348​ }
315 float innerRadius { 0.0f }; 349​ float innerRadius { 0.0f };
316 float outerRadius { 1.0f }; 350​ float outerRadius { 1.0f };
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