#include <ipecanvas_win.h>

Inherits ipe::CanvasBase, QWidget, ipe::CanvasBase, and ipe::CanvasBase.

Public Member Functions
	Canvas (GtkWidget *parent)

	~Canvas ()

GtkWidget *	window () const

	Canvas (QWidget *parent, Qt::WindowFlags f=nullptr)

virtual void	setCursor (TCursor cursor, double w=1.0, Color *color=nullptr)

	Canvas (HWND parent, HINSTANCE hInstance=nullptr)

HWND	windowId () const

Public Member Functions inherited from ipe::CanvasBase
virtual	~CanvasBase ()

void	setPage (const Page page, int pno, int view, const Cascade sheet)

void	setResources (const PdfResources *resources)

Vector	pan () const

double	zoom () const

const Cascade *	cascade () const

Vector	center () const

Vector	pos () const

Vector	unsnappedPos () const

Vector	globalPos () const

Vector	simpleSnapPos () const

const Snap &	snap () const

void	setInkMode (bool ink)

int	additionalModifiers () const

void	setAdditionalModifiers (int mod)

bool	type3Font ()

Vector	devToUser (const Vector &arg) const

Vector	userToDev (const Vector &arg) const

void	setCanvasStyle (const Style &style)

Style	canvasStyle () const

void	setPan (const Vector &v)

void	setZoom (double zoom)

void	setSnap (const Snap &s)

void	setDimmed (bool dimmed)

void	setAutoOrigin (const Vector &v)

Matrix	canvasTfm () const

void	setObserver (CanvasObserver *observer)

void	setFifiVisible (bool visible)

void	setSelectionVisible (bool visible)

void	setTool (Tool *tool)

void	finishTool ()

Tool *	tool ()

void	update ()

void	updateTool ()

int	canvasWidth () const

int	canvasHeight () const

virtual void	setCursor (TCursor cursor, double w=1.0, Color *color=nullptr)=0

virtual void	invalidate (int x, int y, int w, int h)=0

Static Public Member Functions
static void	init (HINSTANCE hInstance)

static UINT	getDpiForWindow (HWND hwnd)

static HBITMAP	createBitmap (uint8_t *p, int w, int h)

Static Public Member Functions inherited from ipe::CanvasBase
static int	selectPageOrView (Document *doc, int page=-1, int startIndex=0, int pageWidth=240, int width=600, int height=480)

Protected Member Functions
virtual void	invalidate ()

virtual void	invalidate (int x, int y, int w, int h)

void	drawFifi (QPainter &q)

virtual void	paintEvent (QPaintEvent *ev)

void	mouseButton (QMouseEvent *ev, int button, bool press)

virtual void	mouseDoubleClickEvent (QMouseEvent *ev)

virtual void	mousePressEvent (QMouseEvent *ev)

virtual void	mouseReleaseEvent (QMouseEvent *ev)

virtual void	mouseMoveEvent (QMouseEvent *ev)

virtual void	tabletEvent (QTabletEvent *ev)

virtual void	wheelEvent (QWheelEvent *ev)

virtual void	keyPressEvent (QKeyEvent *ev)

virtual QSize	sizeHint () const

Protected Member Functions inherited from ipe::CanvasBase
	CanvasBase ()

void	drawPaper (cairo_t *cc)

void	drawFrame (cairo_t *cc)

void	drawAxes (cairo_t *cc)

void	drawGrid (cairo_t *cc)

void	drawObjects (cairo_t *cc)

void	drawTool (Painter &painter)

void	snapToPaperAndFrame ()

void	refreshSurface ()

void	computeFifi (double x, double y)

void	drawFifi (cairo_t *cr)

virtual void	invalidate ()=0

Additional Inherited Members
Public Types inherited from ipe::CanvasBase
enum	TModifiers { EShift = 0x100 , EControl = 0x200 , EAlt = 0x400 , EMeta = 0x800 , ECommand = 0x1000 }

enum	TCursor { EStandardCursor , EHandCursor , ECrossCursor , EDotCursor }

Protected Attributes inherited from ipe::CanvasBase
CanvasObserver *	iObserver

Tool *	iTool

const Page *	iPage

int	iPageNumber

int	iView

const Cascade *	iCascade

Style	iStyle

Vector	iPan

double	iZoom

Snap	iSnap

bool	iDimmed

bool	iAutoSnap

Vector	iAutoOrigin

int	iAdditionalModifiers

bool	isInkMode

bool	iRepaintObjects

double	iWidth

double	iHeight

double	iBWidth

double	iBHeight

cairo_surface_t *	iSurface

Vector	iUnsnappedMousePos

Vector	iMousePos

Vector	iGlobalPos

Vector	iOldFifi

bool	iFifiVisible

Snap::TSnapModes	iFifiMode

bool	iSelectionVisible

const PdfResources *	iResources

std::unique_ptr< Fonts >	iFonts

bool	iType3Font

Detailed Description

A widget (control) that displays an Ipe document page.

Constructor & Destructor Documentation

◆ Canvas() [1/3]

Canvas::Canvas ( GtkWidget * parent )

◆ ~Canvas()

Canvas::~Canvas ( )

◆ Canvas() [2/3]

Canvas::Canvas	(	QWidget *	parent,
		Qt::WindowFlags	f = `nullptr`
	)

Construct a new canvas.

◆ Canvas() [3/3]

Canvas::Canvas	(	HWND	parent,
		HINSTANCE	hInstance = `nullptr`
	)

Member Function Documentation

◆ window()

GtkWidget * ipe::Canvas::window ( ) const

inline

◆ setCursor()

virtual void ipe::Canvas::setCursor	(	TCursor	cursor,
		double	w = `1.0`,
		Color *	color = `nullptr`
	)

virtual

Implements ipe::CanvasBase.

◆ invalidate() [1/2]

virtual void ipe::Canvas::invalidate ( )

protectedvirtual

Implements ipe::CanvasBase.

◆ invalidate() [2/2]

virtual void ipe::Canvas::invalidate	(	int	x,
		int	y,
		int	w,
		int	h
	)

protectedvirtual

Implements ipe::CanvasBase.

◆ drawFifi()

void Canvas::drawFifi ( QPainter & q )

protected

References ipe::Snap::ESnapAngle, ipe::Snap::ESnapAuto, ipe::Snap::ESnapBd, ipe::Snap::ESnapCtl, ipe::Snap::ESnapGrid, ipe::Snap::ESnapInt, ipe::Snap::ESnapNone, ipe::Snap::ESnapVtx, ipe::CanvasBase::iFifiMode, ipe::CanvasBase::iMousePos, ipe::CanvasBase::iOldFifi, and ipe::CanvasBase::userToDev().

Referenced by Canvas::drawRect(), and paintEvent().

◆ paintEvent()

void Canvas::paintEvent ( QPaintEvent * ev )

protectedvirtual

References ipe::CanvasBase::canvasTfm(), drawFifi(), ipe::CanvasBase::drawTool(), ipe::CanvasBase::iBHeight, ipe::CanvasBase::iBWidth, ipe::CanvasBase::iCascade, ipe::CanvasBase::iFifiVisible, ipe::CanvasBase::iHeight, ipe::CanvasBase::iPage, ipe::CanvasBase::iSurface, ipe::CanvasBase::iWidth, and ipe::CanvasBase::refreshSurface().

◆ mouseButton()

void Canvas::mouseButton	(	QMouseEvent *	ev,
		int	button,
		bool	press
	)

protected

References ipe::CanvasObserver::canvasObserverMouseAction(), ipe::CanvasBase::computeFifi(), ipe::CanvasBase::iAdditionalModifiers, ipe::CanvasBase::iGlobalPos, ipe::CanvasBase::iObserver, ipe::CanvasBase::iTool, and ipe::Tool::mouseButton().

Referenced by mouseDoubleClickEvent(), mousePressEvent(), and mouseReleaseEvent().

◆ mouseDoubleClickEvent()

void Canvas::mouseDoubleClickEvent ( QMouseEvent * ev )

protectedvirtual

References mouseButton().

◆ mousePressEvent()

void Canvas::mousePressEvent ( QMouseEvent * ev )

protectedvirtual

References mouseButton().

◆ mouseReleaseEvent()

void Canvas::mouseReleaseEvent ( QMouseEvent * ev )

protectedvirtual

References mouseButton().

◆ mouseMoveEvent()

void Canvas::mouseMoveEvent ( QMouseEvent * ev )

protectedvirtual

References ipe::CanvasObserver::canvasObserverPositionChanged(), ipe::CanvasBase::computeFifi(), ipe::CanvasBase::iObserver, ipe::CanvasBase::iTool, and ipe::Tool::mouseMove().

◆ tabletEvent()

void Canvas::tabletEvent ( QTabletEvent * ev )

protectedvirtual

References ipe::CanvasObserver::canvasObserverMouseAction(), ipe::CanvasObserver::canvasObserverPositionChanged(), ipe::CanvasBase::computeFifi(), ipe::CanvasBase::globalPos(), ipe::CanvasBase::iAdditionalModifiers, ipe::CanvasBase::iGlobalPos, ipe::CanvasBase::iObserver, ipe::CanvasBase::iTool, ipe::Tool::mouseButton(), and ipe::Tool::mouseMove().

◆ wheelEvent()

void Canvas::wheelEvent ( QWheelEvent * ev )

protectedvirtual

References ipe::CanvasObserver::canvasObserverWheelMoved(), and ipe::CanvasBase::iObserver.

◆ keyPressEvent()

void Canvas::keyPressEvent ( QKeyEvent * ev )

protectedvirtual

References ipe::CanvasBase::iAdditionalModifiers, ipe::IpeQ(), ipe::CanvasBase::iTool, and ipe::Tool::key().

◆ sizeHint()

QSize Canvas::sizeHint ( ) const

protectedvirtual

◆ init()

void Canvas::init ( HINSTANCE hInstance )

static

◆ getDpiForWindow()

UINT Canvas::getDpiForWindow ( HWND hwnd )

static

◆ windowId()

HWND ipe::Canvas::windowId ( ) const

inline

◆ createBitmap()

static HBITMAP ipe::Canvas::createBitmap	(	uint8_t *	p,
		int	w,
		int	h
	)

static

The documentation for this class was generated from the following files:

ipecanvas_gtk.h
ipecanvas_win.h
ipecanvas_qt.h
ipecanvas_cocoa.cpp
ipecanvas_gtk.cpp
ipecanvas_qt.cpp
ipecanvas_win.cpp

Public Member Functions

Static Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ Canvas() [1/3]

◆ ~Canvas()

◆ Canvas() [2/3]

◆ Canvas() [3/3]

Member Function Documentation

◆ window()

◆ setCursor()

◆ invalidate() [1/2]

◆ invalidate() [2/2]

◆ drawFifi()

◆ paintEvent()

◆ mouseButton()

◆ mouseDoubleClickEvent()

◆ mousePressEvent()

◆ mouseReleaseEvent()

◆ mouseMoveEvent()

◆ tabletEvent()

◆ wheelEvent()

◆ keyPressEvent()

◆ sizeHint()

◆ init()

◆ getDpiForWindow()

◆ windowId()

◆ createBitmap()