rawTherapee/rtgui/cropwindow.h
2019-09-10 12:34:57 +02:00

244 lines
8.7 KiB
C++

/*
* This file is part of RawTherapee.
*
* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
*
* RawTherapee is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* RawTherapee is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with RawTherapee. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef _CROPWINDOW_
#define _CROPWINDOW_
#include "../rtengine/rtengine.h"
#include <gtkmm.h>
#include "lwbutton.h"
#include "lwbuttonset.h"
#include "editenums.h"
#include "crophandler.h"
#include <list>
#include "cropguilistener.h"
#include "pointermotionlistener.h"
#include "cursormanager.h"
#include "editbuffer.h"
#include "editcoordsys.h"
#include "../rtengine/noncopyable.h"
class CropWindow;
class CropWindowListener
{
public:
virtual ~CropWindowListener() = default;
virtual void cropPositionChanged(CropWindow*) = 0;
virtual void cropWindowSizeChanged(CropWindow*) = 0;
virtual void cropZoomChanged(CropWindow*) = 0;
virtual void initialImageArrived() = 0;
};
class ImageArea;
class CropWindow : public LWButtonListener, public CropDisplayHandler, public EditCoordSystem, public ObjectMOBuffer, public rtengine::NonCopyable
{
static bool initialized;
static Glib::ustring zoomOuttt;
static Glib::ustring zoomIntt;
static Glib::ustring zoom100tt;
static Glib::ustring closett;
// state management
ImgEditState state; // current state of user (see enum State)
int press_x, press_y; // position of the cursor in the GUI space on button press
int action_x, action_y; // parameter that will evolve during a pan or drag action
int pickedObject;
int pickModifierKey;
double rot_deg;
bool onResizeArea;
bool deleted;
bool fitZoomEnabled;
bool fitZoom;
//bool isLowUpdatePriority;
CursorShape cursor_type;
// color pickers
std::vector<LockableColorPicker*> colorPickers;
LockableColorPicker* hoveredPicker;
// decoration
LWButton *bZoomIn, *bZoomOut, *bZoom100, /**bZoomFit,*/ *bClose;
LWButtonSet buttonSet;
Glib::ustring cropLabel;
int backColor;
bool decorated;
bool isFlawnOver;
// crop frame description
int titleHeight, sideBorderWidth, lowerBorderWidth, upperBorderWidth, sepWidth, minWidth;
// size & position of the crop relative to the top left corner
// of the main preview area
int xpos, ypos, width, height;
// size & pos of the drawable area relative to the top left corner of the crop
int imgAreaX, imgAreaY, imgAreaW, imgAreaH;
// size & pos of the piece of preview image relative to the top left corner of the crop
int imgX, imgY, imgW, imgH;
// image handling
ImageArea* iarea;
int cropZoom; // *1000
unsigned int zoomVersion, exposeVersion;
// crop gui listener
CropGUIListener* cropgl;
PointerMotionListener* pmlistener;
PointerMotionListener* pmhlistener;
std::list<CropWindowListener*> listeners;
double scrollAccum;
CropWindow* observedCropWin; // Pointer to the currently active detail CropWindow
float crop_custom_ratio;
bool onArea (CursorArea a, int x, int y);
void updateCursor (int x, int y);
void drawDecoration (Cairo::RefPtr<Cairo::Context> cr);
void drawStraightenGuide (Cairo::RefPtr<Cairo::Context> cr);
void drawScaledSpotRectangle (Cairo::RefPtr<Cairo::Context> cr, int rectSize);
void drawUnscaledSpotRectangle (Cairo::RefPtr<Cairo::Context> cr, int rectSize);
void drawObservedFrame (Cairo::RefPtr<Cairo::Context> cr, int rw = 0, int rh = 0);
void changeZoom (int zoom, bool notify = true, int centerx = -1, int centery = -1, bool needsRedraw = true);
void updateHoveredPicker (rtengine::Coord *imgPos = nullptr);
void cycleRGB ();
void cycleHSV ();
LockableColorPicker::Validity checkValidity (LockableColorPicker* picker, const rtengine::Coord &pos);
// Used by the mainCropWindow only
void getObservedFrameArea (int& x, int& y, int& w, int& h, int rw = 0, int rh = 0);
struct ZoomStep {
Glib::ustring label;
double zoom;
int czoom;
bool is_major;
explicit ZoomStep(const Glib::ustring &l="", double z=0.0,
int cz=0, bool m=false):
label(l), zoom(z), czoom(cz), is_major(m) {}
};
std::vector<ZoomStep> zoomSteps;
size_t zoom11index;
void initZoomSteps();
public:
CropHandler cropHandler;
CropWindow (ImageArea* parent, bool isLowUpdatePriority_, bool isDetailWindow);
~CropWindow () override;
void setDecorated (bool decorated)
{
this->decorated = decorated;
}
void setFitZoomEnabled (bool fze)
{
fitZoomEnabled = fze;
}
void setObservedCropWin (CropWindow* cw)
{
observedCropWin = cw;
}
void deleteColorPickers ();
void screenCoordToCropBuffer (int phyx, int phyy, int& cropx, int& cropy) override;
void screenCoordToImage (int phyx, int phyy, int& imgx, int& imgy) override;
void screenCoordToCropCanvas (int phyx, int phyy, int& prevx, int& prevy);
void imageCoordToCropCanvas (int imgx, int imgy, int& phyx, int& phyy) override;
void imageCoordToScreen (int imgx, int imgy, int& phyx, int& phyy) override;
void imageCoordToCropBuffer (int imgx, int imgy, int& phyx, int& phyy) override;
void imageCoordToCropImage (int imgx, int imgy, int& phyx, int& phyy) override;
int scaleValueToImage (int value) override;
float scaleValueToImage (float value) override;
double scaleValueToImage (double value) override;
int scaleValueToCanvas (int value) override;
float scaleValueToCanvas (float value) override;
double scaleValueToCanvas (double value) override;
double getZoomFitVal ();
void setPosition (int x, int y);
void getPosition (int& x, int& y);
void setSize (int w, int h, bool norefresh = false);
void getSize (int& w, int& h);
void enable ();
void leaveNotify (GdkEventCrossing* event);
void flawnOver (bool isFlawnOver);
// zoomlistener interface
void zoomIn (bool toCursor = false, int cursorX = -1, int cursorY = -1);
void zoomOut (bool toCursor = false, int cursorX = -1, int cursorY = -1);
void zoom11 (bool notify = true);
void zoomFit ();
void zoomFitCrop ();
double getZoom ();
bool isMinZoom ();
bool isMaxZoom ();
void setZoom (double zoom);
bool isInside (int x, int y);
void scroll (int state, GdkScrollDirection direction, int x, int y, double deltaX=0.0, double deltaY=0.0);
void buttonPress (int button, int num, int state, int x, int y);
void buttonRelease (int button, int num, int state, int x, int y);
void pointerMoved (int bstate, int x, int y);
void expose (Cairo::RefPtr<Cairo::Context> cr);
void setEditSubscriber (EditSubscriber* newSubscriber);
// interface lwbuttonlistener
void buttonPressed (LWButton* button, int actionCode, void* actionData) override;
void redrawNeeded (LWButton* button) override;
// crop handling
void getCropRectangle (int& x, int& y, int& w, int& h);
void getCropPosition (int& x, int& y);
void setCropPosition (int x, int y, bool update = true);
void centerCrop (bool update = true);
void getCropSize (int& w, int& h);
void getCropAnchorPosition (int& w, int& h);
void setCropAnchorPosition (int& w, int& h);
// listeners
void setCropGUIListener (CropGUIListener* cgl);
void setPointerMotionListener (PointerMotionListener* pml);
PointerMotionListener* getPointerMotionListener ();
void setPointerMotionHListener (PointerMotionListener* pml);
// crop window listeners
void addCropWindowListener (CropWindowListener* l);
void delCropWindowListener (CropWindowListener* l);
// crophandlerlistener interface
void cropImageUpdated () override;
void cropWindowChanged () override;
void initialImageArrived () override;
void setDisplayPosition (int x, int y) override;
void remoteMove (int deltaX, int deltaY);
void remoteMoveReady ();
ImageArea* getImageArea();
};
#endif