#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=Qt::Widget)

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

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)

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 = `Qt::Widget`
	)

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()