d2d::RenderTarget Class Reference

#include <d2wrap.h>

Public Member Functions
	RenderTarget (HWND _hwnd)
	~RenderTarget ()
HRESULT	Resize (const D2D1_SIZE_U &_pixelSize)
D2D1_WINDOW_STATE	CheckWindowState ()
D2D1_SIZE_F	GetSize () const
Methods for creation of resources
HRESULT	CreateSolidColorBrush (ID2D1SolidColorBrush **_brush, const D2D1_COLOR_F &_color=D2D1::ColorF(D2D1::ColorF::White))
HRESULT	CreateBitmap (ID2D1Bitmap **_bitmap, const uint32_t &_yres, const uint32_t &_xres)
HRESULT	CreateTextFormat (IDWriteTextFormat **_text_format)
HRESULT	CreateRectangleGeometry (const D2D1_RECT_F &_rectangle, ID2D1RectangleGeometry **_rectangleGeometry)
Methods for drawing
void	BeginDraw ()
void	SetTransform (const D2D1_MATRIX_3X2_F &_transform)
void	Clear (const D2D1_COLOR_F &_clearColor=D2D1::ColorF(D2D1::ColorF::White))
void	ClearWindow ()
void	DrawBitmap (ID2D1Bitmap *_bitmap, D2D1_BITMAP_INTERPOLATION_MODE _mode=D2D1_BITMAP_INTERPOLATION_MODE_LINEAR)
void	DrawLine (const D2D1_POINT_2F &_point0, const D2D1_POINT_2F &_point1, ID2D1Brush *_brush, const FLOAT &_strokeWidth)
void	DrawText (const CString &_text, const D2D1_RECT_F *_layoutRect, IDWriteTextFormat *_text_format, ID2D1Brush *_brush)
void	FillRectangle (const D2D1_RECT_F *_rect, ID2D1Brush *_brush)
HRESULT	Flush ()
HRESULT	EndDraw ()

Protected Member Functions
	RenderTarget (const RenderTarget &)
RenderTarget &	operator= (const RenderTarget &)

Protected Attributes
d2dfactory< D2D1_FACTORY_TYPE_MULTI_THREADED >	factory
ID2D1HwndRenderTarget *	target
IDWriteFactory *	dwrite_factory
D2D1_PIXEL_FORMAT	pixelformat

Detailed Description

Wrapper around a Direct2D render target and the underlying Direct2D factory and IDWriteFactory.

Definition at line 71 of file d2wrap.h.

Constructor & Destructor Documentation

d2d::RenderTarget::RenderTarget ( const RenderTarget &  )

protected

disable copy

d2d::RenderTarget::RenderTarget

(

HWND

_hwnd

)

Create render target on window.

Definition at line 10 of file d2wrap.cpp.

d2d::RenderTarget::~RenderTarget

(

)

Release resources.

Definition at line 42 of file d2wrap.cpp.

Member Function Documentation

RenderTarget& d2d::RenderTarget::operator= ( const RenderTarget &  )

protected

disable assignment

HRESULT d2d::RenderTarget::CreateSolidColorBrush	(	ID2D1SolidColorBrush **	_brush,
		const D2D1_COLOR_F &	_color = D2D1::ColorF(D2D1::ColorF::White)
	)

Create a solid color brush.

Definition at line 47 of file d2wrap.cpp.

HRESULT d2d::RenderTarget::CreateBitmap	(	ID2D1Bitmap **	_bitmap,
		const uint32_t &	_yres,
		const uint32_t &	_xres
	)

Creates a new Direct2D bitmap.

Parameters

[out]	_bitmap	handle to the new bitmap
[in]	_yres,_xres	resolution of the bitmap

Definition at line 52 of file d2wrap.cpp.

HRESULT d2d::RenderTarget::CreateTextFormat

(

IDWriteTextFormat **

_text_format

)

Create a text format.

Definition at line 79 of file d2wrap.cpp.

HRESULT d2d::RenderTarget::CreateRectangleGeometry	(	const D2D1_RECT_F &	_rectangle,
		ID2D1RectangleGeometry **	_rectangleGeometry
	)

Create a rectangle geometry.

Definition at line 96 of file d2wrap.cpp.

void d2d::RenderTarget::BeginDraw

(

)

Trigger Direct2D begin draw.

Definition at line 101 of file d2wrap.cpp.

void d2d::RenderTarget::SetTransform

(

const D2D1_MATRIX_3X2_F &

_transform

)

Set current transform matrix.

Definition at line 109 of file d2wrap.cpp.

void d2d::RenderTarget::Clear

(

const D2D1_COLOR_F &

_clearColor = D2D1::ColorF(D2D1::ColorF::White)

)

Clear the window with a certain color.

Definition at line 118 of file d2wrap.cpp.

void d2d::RenderTarget::ClearWindow

(

)

Clear the window with black.

Definition at line 113 of file d2wrap.cpp.

void d2d::RenderTarget::DrawBitmap	(	ID2D1Bitmap *	_bitmap,
		D2D1_BITMAP_INTERPOLATION_MODE	_mode = D2D1_BITMAP_INTERPOLATION_MODE_LINEAR
	)

Draws a Direct2D bitmap.

Parameters

[in]	_bitmap	pointer to bitmap
[in]	_mode	interpolation mode, possible values D2D1_BITMAP_INTERPOLATION_MODE_NEAREST_NEIGHBOR D2D1_BITMAP_INTERPOLATION_MODE_LINEAR

Definition at line 123 of file d2wrap.cpp.

void d2d::RenderTarget::DrawLine	(	const D2D1_POINT_2F &	_point0,
		const D2D1_POINT_2F &	_point1,
		ID2D1Brush *	_brush,
		const FLOAT &	_strokeWidth
	)

Draw a line.

Definition at line 131 of file d2wrap.cpp.

void d2d::RenderTarget::DrawText	(	const CString &	_text,
		const D2D1_RECT_F *	_layoutRect,
		IDWriteTextFormat *	_text_format,
		ID2D1Brush *	_brush
	)

Draw text.

Definition at line 135 of file d2wrap.cpp.

void d2d::RenderTarget::FillRectangle	(	const D2D1_RECT_F *	_rect,
		ID2D1Brush *	_brush
	)

Fill a rectangle.

Definition at line 143 of file d2wrap.cpp.

HRESULT d2d::RenderTarget::Flush

(

)

Flush the render target.

Definition at line 159 of file d2wrap.cpp.

HRESULT d2d::RenderTarget::EndDraw

(

)

Trigger Direct2D end draw.

Definition at line 151 of file d2wrap.cpp.

HRESULT d2d::RenderTarget::Resize

(

const D2D1_SIZE_U &

_pixelSize

)

Resize render target.

Definition at line 155 of file d2wrap.cpp.

D2D1_WINDOW_STATE d2d::RenderTarget::CheckWindowState

(

)

Check state of window, e.g.

if it is occluded

Definition at line 105 of file d2wrap.cpp.

D2D1_SIZE_F d2d::RenderTarget::GetSize

(

void

)

const

Get size of render target.

Definition at line 147 of file d2wrap.cpp.

Member Data Documentation

d2dfactory<D2D1_FACTORY_TYPE_MULTI_THREADED> d2d::RenderTarget::factory

protected

Direct2D factory.

Definition at line 75 of file d2wrap.h.

ID2D1HwndRenderTarget* d2d::RenderTarget::target

protected

Direct2D render target (do not use a unique_ptr for COM interfaces)

Definition at line 78 of file d2wrap.h.

IDWriteFactory* d2d::RenderTarget::dwrite_factory

protected

Direct2D write factory for text rendering (do not use a unique_ptr for COM interfaces)

Definition at line 81 of file d2wrap.h.

D2D1_PIXEL_FORMAT d2d::RenderTarget::pixelformat

protected

current pixel format

Definition at line 84 of file d2wrap.h.

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

• scope/gui/direct2d/d2wrap.h
• scope/gui/direct2d/d2wrap.cpp