Ipelib
ipe::Canvas Class Reference

#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 Cascadecascade () const
Vector center () const
Vector pos () const
Vector unsnappedPos () const
Vector globalPos () const
Vector simpleSnapPos () const
const Snapsnap () 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 ()
Tooltool ()
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
CanvasObserveriObserver
TooliTool
const PageiPage
int iPageNumber
int iView
const CascadeiCascade
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 PdfResourcesiResources
std::unique_ptr< FontsiFonts
bool iType3Font

Detailed Description

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

Constructor & Destructor Documentation

◆ Canvas() [1/3]

Canvas::Canvas ( GtkWidget * parent)

Referenced by createBitmap().

◆ ~Canvas()

ipe::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()

◆ paintEvent()

◆ mouseButton()

◆ 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

◆ tabletEvent()

◆ wheelEvent()

void Canvas::wheelEvent ( QWheelEvent * ev)
protectedvirtual

◆ keyPressEvent()

void Canvas::keyPressEvent ( QKeyEvent * ev)
protectedvirtual

◆ 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()

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

References Canvas().


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