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

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

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

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.
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

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