HIDPI_GL_CANVAS Class Reference

wxGLCanvas wrapper for HiDPI/Retina support. More...

#include <hidpi_gl_canvas.h>

Inheritance diagram for HIDPI_GL_CANVAS:

Public Member Functions
	HIDPI_GL_CANVAS (wxWindow *parent, wxWindowID id=wxID_ANY, const int *attribList=nullptr, const wxPoint &pos=wxDefaultPosition, const wxSize &size=wxDefaultSize, long style=0, const wxString &name=wxGLCanvasName, const wxPalette &palette=wxNullPalette)
virtual wxSize	GetNativePixelSize () const
wxPoint	GetNativePosition (const wxPoint &aPoint) const
	Convert the given point from client coordinates to native pixel coordinates. More...
void	SetScaleFactor (double aFactor)
	Set the canvas scale factor, probably for a hi-DPI display. More...
double	GetScaleFactor () const
	Get the current scale factor. More...

Private Attributes
double	m_scale_factor
	The current scale factor (e.g. More...

Detailed Description

wxGLCanvas wrapper for HiDPI/Retina support.

This is a small wrapper class to enable HiDPI/Retina support for wxGLCanvas.

Definition at line 38 of file hidpi_gl_canvas.h.

Constructor & Destructor Documentation

HIDPI_GL_CANVAS()

HIDPI_GL_CANVAS::HIDPI_GL_CANVAS	(	wxWindow *	parent,
		wxWindowID	id = wxID_ANY,
		const int *	attribList = nullptr,
		const wxPoint &	pos = wxDefaultPosition,
		const wxSize &	size = wxDefaultSize,
		long	style = 0,
		const wxString &	name = wxGLCanvasName,
		const wxPalette &	palette = wxNullPalette
	)

Definition at line 32 of file hidpi_gl_canvas.cpp.

 :
 wxGLCanvas( parent, id, attribList, pos, size, style, name, palette ),
 m_scale_factor( DPI_SCALING::GetDefaultScaleFactor() )
{
}

Member Function Documentation

GetNativePixelSize()

wxSize HIDPI_GL_CANVAS::GetNativePixelSize ( ) const

virtual

Definition at line 41 of file hidpi_gl_canvas.cpp.

{
 wxSize size = wxGLCanvas::GetClientSize();
 
 const double scaleFactor = GetScaleFactor();
 size.x *= scaleFactor;
 size.y *= scaleFactor;
 
 return size;
}

References GetScaleFactor().

Referenced by EDA_3D_CANVAS::DoRePaint(), EDA_3D_MODEL_VIEWER::OnMouseMove(), HIDPI_GL_3D_CANVAS::OnMouseMoveCamera(), EDA_3D_MODEL_VIEWER::OnPaint(), and KIGFX::OPENGL_GAL::OPENGL_GAL().

GetNativePosition()

wxPoint HIDPI_GL_CANVAS::GetNativePosition

(

const wxPoint &

aPoint

)

const

Convert the given point from client coordinates to native pixel coordinates.

Definition at line 53 of file hidpi_gl_canvas.cpp.

{
 wxPoint nativePoint = aPoint;
 
 const double scaleFactor = GetScaleFactor();
 nativePoint.x *= scaleFactor;
 nativePoint.y *= scaleFactor;
 
 return nativePoint;
}

References GetScaleFactor().

Referenced by EDA_3D_MODEL_VIEWER::OnMouseMove(), HIDPI_GL_3D_CANVAS::OnMouseMoveCamera(), and HIDPI_GL_3D_CANVAS::OnMouseWheelCamera().

GetScaleFactor()

double HIDPI_GL_CANVAS::GetScaleFactor

(

)

const

Get the current scale factor.

Definition at line 71 of file hidpi_gl_canvas.cpp.

{
 return m_scale_factor;
}

References m_scale_factor.

Referenced by KIGFX::OPENGL_GAL::BeginDrawing(), KIGFX::OPENGL_GAL::DrawGrid(), KIGFX::PREVIEW::GetConstantGlyphHeight(), GetNativePixelSize(), GetNativePosition(), KIGFX::OPENGL_GAL::getScreenPixelSize(), KIGFX::OPENGL_GAL::ResizeScreen(), and KIGFX::OPENGL_GAL::updatedGalDisplayOptions().

SetScaleFactor()

void HIDPI_GL_CANVAS::SetScaleFactor

(

double

aFactor

)

Set the canvas scale factor, probably for a hi-DPI display.

Definition at line 65 of file hidpi_gl_canvas.cpp.

{
 m_scale_factor = aNewScaleFactor;
}

References m_scale_factor.

Referenced by EDA_3D_MODEL_VIEWER::EDA_3D_MODEL_VIEWER(), EDA_3D_VIEWER_FRAME::loadCommonSettings(), PANEL_PREVIEW_3D_MODEL::loadSettings(), and KIGFX::OPENGL_GAL::updatedGalDisplayOptions().

Member Data Documentation

m_scale_factor

double HIDPI_GL_CANVAS::m_scale_factor

private

The current scale factor (e.g.

for hi-DPI displays)

Definition at line 68 of file hidpi_gl_canvas.h.

Referenced by GetScaleFactor(), and SetScaleFactor().

---

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

• hidpi_gl_canvas.h
• hidpi_gl_canvas.cpp