Direct2dViewer_c.cpp File Reference

Wrapper for Direct2dViewer.cpp to provide a C API. More...

#include "Direct2dViewer_c.h"
#include "Direct2dViewer.h"

Functions
void *	Direct2dViewer_new ()
	Initialize members.
void	Direct2dViewer_delete (void *D2dV)
	Release resources.
void	Direct2dViewer_start2dViewer (void *D2dV, HWND hWndParent, void *bitmapAddr, UINT width, UINT height)
	Starts 2d viewer with a initial bitmap. Use this to start 2d viewer. Call constructor before.
void	Direct2dViewer_showNewBitmap (void *D2dV, void *addr, UINT width, UINT height)
	Show a new bitmap in 2d viewer.
void	Direct2dViewer_repaintWindow (void *D2dV)
	Reload the displayed bitmap in 2d viewer.
HWND	Direct2dViewer_getWindowHandler (void *D2dV)
	Returns the window handler of 2d viewer.
void	Direct2dViewer_setGammaValue (void *D2dV, UINT16 white, UINT16 black)
	Set gamma value.
UINT16	Direct2dViewer_getGammaWhite (void *D2dV)
	return gamma value white
UINT16	Direct2dViewer_getGammaBlack (void *D2dV)
	return gamma value black

Detailed Description

Wrapper for Direct2dViewer.cpp to provide a C API.

Inspired by this tutorial to call cpp methods from c: https://bytes.com/topic/c/insights/921728-calling-c-class-methods-c

Author

Florian Hahn

Date

30.09.2019

Copyright

Copyright Entwicklungsbuero Stresing. This software is release under the LPGL-3.0.

Function Documentation

Direct2dViewer_delete()

void Direct2dViewer_delete

(

void *

D2dV

)

Release resources.

Parameters

[in]

D2dV

Handle of Direct2dViewer instance.

Direct2dViewer_getGammaBlack()

UINT16 Direct2dViewer_getGammaBlack

(

void *

D2dV

)

return gamma value black

Parameters

[in]

D2dV

Handle of Direct2dViewer instance.

Direct2dViewer_getGammaWhite()

UINT16 Direct2dViewer_getGammaWhite

(

void *

D2dV

)

return gamma value white

Parameters

[in]

D2dV

Handle of Direct2dViewer instance.

Direct2dViewer_getWindowHandler()

HWND Direct2dViewer_getWindowHandler

(

void *

D2dV

)

Returns the window handler of 2d viewer.

Parameters

[in]

D2dV

Handle of Direct2dViewer instance.

Direct2dViewer_new()

void * Direct2dViewer_new

(

)

Initialize members.

Returns

Handle of new Direct2dViewer instance.

Direct2dViewer_repaintWindow()

void Direct2dViewer_repaintWindow

(

void *

D2dV

)

Reload the displayed bitmap in 2d viewer.

Parameters

[in]

D2dV

Handle of Direct2dViewer instance.

Direct2dViewer_setGammaValue()

void Direct2dViewer_setGammaValue	(	void *	D2dV,
		UINT16	white,
		UINT16	black )

Set gamma value.

Parameters

[in]	white	set value for maximum brightness. Default: 0xFFFF (16 bit), 0x3FFF (14 bit)
[in]	black	set value for minimum brightness. Default: 0
[in]	D2dV	Handle of Direct2dViewer instance.

Direct2dViewer_showNewBitmap()

void Direct2dViewer_showNewBitmap	(	void *	D2dV,
		void *	addr,
		UINT	width,
		UINT	height )

Show a new bitmap in 2d viewer.

Parameters

	addr	Address to first byte of bitmap data.
	width	Width of bitmap.
	height	Height of bitmap.
[in]	D2dV	Handle of Direct2dViewer instance.

Direct2dViewer_start2dViewer()

void Direct2dViewer_start2dViewer	(	void *	D2dV,
		HWND	hWndParent,
		void *	bitmapAddr,
		UINT	width,
		UINT	height )

Starts 2d viewer with a initial bitmap. Use this to start 2d viewer. Call constructor before.

Parameters

[in]	hWndParent	Window handler of parent window.
[in]	bitmapAddr	Address to first byte of bitmap data.
[in]	width	Width of bitmap.
[in]	height	Height of bitmap.
[in]	D2dV	Handle of Direct2dViewer instance.