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// This file is part of Golly.
// See docs/License.html for the copyright notice.
#ifndef _VIEW_H_
#define _VIEW_H_
#include "bigint.h" // for bigint
#include "lifealgo.h" // for lifealgo
#include "utils.h" // for gRect
// Data and routines for viewing and editing patterns:
extern const char* empty_selection;
extern const char* empty_outside;
extern const char* no_selection;
extern const char* selection_too_big;
extern const char* pattern_too_big;
extern const char* origin_restored;
extern bool widescreen; // is screen wide enough to show all info?
extern bool fullscreen; // in full screen mode?
extern bool nopattupdate; // disable pattern updates?
extern bool waitingforpaste; // waiting for user to decide what to do with paste image?
extern gRect pasterect; // bounding box of paste image
extern int pastex, pastey; // where user wants to paste clipboard pattern
extern bool drawingcells; // currently drawing cells?
extern bool draw_pending; // delay drawing?
extern int pendingx, pendingy; // start of delayed drawing
void UpdateEverything();
void UpdatePatternAndStatus();
bool OutsideLimits(bigint& t, bigint& l, bigint& b, bigint& r);
void TestAutoFit();
void FitInView(int force);
void TouchBegan(int x, int y);
void TouchMoved(int x, int y);
void TouchEnded();
bool CopyRect(int top, int left, int bottom, int right,
lifealgo* srcalgo, lifealgo* destalgo,
bool erasesrc, const char* progmsg);
void CopyAllRect(int top, int left, int bottom, int right,
lifealgo* srcalgo, lifealgo* destalgo,
const char* progmsg);
bool SelectionExists();
void SelectAll();
void RemoveSelection();
void FitSelection();
void DisplaySelectionSize();
void SaveCurrentSelection();
void RememberNewSelection(const char* action);
void CutSelection();
void CopySelection();
void ClearSelection();
void ClearOutsideSelection();
void ShrinkSelection(bool fit);
void RandomFill();
bool FlipSelection(bool topbottom, bool inundoredo = false);
bool RotateSelection(bool clockwise, bool inundoredo = false);
bool ClipboardContainsRule();
void PasteClipboard();
bool FlipPastePattern(bool topbottom);
bool RotatePastePattern(bool clockwise);
void DoPaste(bool toselection);
void AbortPaste();
void ToggleCellColors();
void ZoomInPos(int x, int y);
void ZoomOutPos(int x, int y);
bool PointInView(int x, int y);
bool PointInPasteImage(int x, int y);
bool PointInSelection(int x, int y);
bool PointInGrid(int x, int y);
bool CellInGrid(const bigint& x, const bigint& y);
void PanUp(int amount);
void PanDown(int amount);
void PanLeft(int amount);
void PanRight(int amount);
void PanNE();
void PanNW();
void PanSE();
void PanSW();
int SmallScroll(int xysize);
int BigScroll(int xysize);
#endif
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