gdi/bitmap.c File Reference

#include <freerdp/config.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <freerdp/api.h>
#include <freerdp/freerdp.h>
#include <freerdp/gdi/gdi.h>
#include <freerdp/codec/color.h>
#include <freerdp/gdi/region.h>
#include <freerdp/gdi/bitmap.h>
#include <freerdp/log.h>
#include <freerdp/gdi/shape.h>
#include "brush.h"
#include "clipping.h"
#include "../gdi/gdi.h"

Macros
#define	TAG   FREERDP_TAG("gdi.bitmap")

Functions
UINT32	gdi_GetPixel (HGDI_DC hdc, UINT32 nXPos, UINT32 nYPos)
BYTE *	gdi_GetPointer (HGDI_BITMAP hBmp, UINT32 X, UINT32 Y)
static INLINE UINT32	gdi_SetPixelBmp (HGDI_BITMAP hBmp, UINT32 X, UINT32 Y, UINT32 crColor)
UINT32	gdi_SetPixel (HGDI_DC hdc, UINT32 X, UINT32 Y, UINT32 crColor)
HGDI_BITMAP	gdi_CreateBitmap (UINT32 nWidth, UINT32 nHeight, UINT32 format, BYTE *data)
HGDI_BITMAP	gdi_CreateBitmapEx (UINT32 nWidth, UINT32 nHeight, UINT32 format, UINT32 stride, BYTE *data, void(*fkt_free)(void *))
HGDI_BITMAP	gdi_CreateCompatibleBitmap (HGDI_DC hdc, UINT32 nWidth, UINT32 nHeight)
static BOOL	op_not (UINT32 *stack, UINT32 *stackp)
static BOOL	op_and (UINT32 *stack, UINT32 *stackp)
static BOOL	op_or (UINT32 *stack, UINT32 *stackp)
static BOOL	op_xor (UINT32 *stack, UINT32 *stackp)
static UINT32	process_rop (UINT32 src, UINT32 dst, UINT32 pat, const char *rop, UINT32 format)
static INLINE BOOL	BitBlt_write (HGDI_DC hdcDest, HGDI_DC hdcSrc, INT32 nXDest, INT32 nYDest, INT32 nXSrc, INT32 nYSrc, INT32 x, INT32 y, BOOL useSrc, BOOL usePat, UINT32 style, const char *rop, const gdiPalette *palette)
static BOOL	adjust_src_coordinates (HGDI_DC hdcSrc, INT32 nWidth, INT32 nHeight, INT32 *px, INT32 *py)
static BOOL	adjust_src_dst_coordinates (HGDI_DC hdcDest, INT32 *pnXSrc, INT32 *pnYSrc, INT32 *pnXDst, INT32 *pnYDst, INT32 *pnWidth, INT32 *pnHeight)
static BOOL	BitBlt_process (HGDI_DC hdcDest, INT32 nXDest, INT32 nYDest, INT32 nWidth, INT32 nHeight, HGDI_DC hdcSrc, INT32 nXSrc, INT32 nYSrc, const char *rop, const gdiPalette *palette)
BOOL	gdi_BitBlt (HGDI_DC hdcDest, INT32 nXDest, INT32 nYDest, INT32 nWidth, INT32 nHeight, HGDI_DC hdcSrc, INT32 nXSrc, INT32 nYSrc, DWORD rop, const gdiPalette *palette)

Macro Definition Documentation

TAG

#define TAG   FREERDP_TAG("gdi.bitmap")

FreeRDP: A Remote Desktop Protocol Implementation GDI Bitmap Functions

Copyright 2010-2011 Marc-Andre Moreau marca.nosp@m.ndre.nosp@m..more.nosp@m.au@g.nosp@m.mail..nosp@m.com Copyright 2016 Armin Novak armin.nosp@m..nov.nosp@m.ak@th.nosp@m.inca.nosp@m.st.co.nosp@m.m Copyright 2016 Thincast Technologies GmbH

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Function Documentation

adjust_src_coordinates()

static BOOL adjust_src_coordinates ( HGDI_DC  hdcSrc, INT32  nWidth, INT32  nHeight, INT32 *  px, INT32 *  py  )

static

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adjust_src_dst_coordinates()

static BOOL adjust_src_dst_coordinates ( HGDI_DC  hdcDest, INT32 *  pnXSrc, INT32 *  pnYSrc, INT32 *  pnXDst, INT32 *  pnYDst, INT32 *  pnWidth, INT32 *  pnHeight  )

static

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BitBlt_process()

static BOOL BitBlt_process ( HGDI_DC  hdcDest, INT32  nXDest, INT32  nYDest, INT32  nWidth, INT32  nHeight, HGDI_DC  hdcSrc, INT32  nXSrc, INT32  nYSrc, const char *  rop, const gdiPalette *  palette  )

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BitBlt_write()

static INLINE BOOL BitBlt_write ( HGDI_DC  hdcDest, HGDI_DC  hdcSrc, INT32  nXDest, INT32  nYDest, INT32  nXSrc, INT32  nYSrc, INT32  x, INT32  y, BOOL  useSrc, BOOL  usePat, UINT32  style, const char *  rop, const gdiPalette *  palette  )

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gdi_BitBlt()

BOOL gdi_BitBlt	(	HGDI_DC	hdcDest,
		INT32	nXDest,
		INT32	nYDest,
		INT32	nWidth,
		INT32	nHeight,
		HGDI_DC	hdcSrc,
		INT32	nXSrc,
		INT32	nYSrc,
		DWORD	rop,
		const gdiPalette *	palette
	)

Perform a bit blit operation on the given pixel buffers. msdn{dd183370}

Parameters

hdcDest	destination device context
nXDest	destination x1
nYDest	destination y1
nWidth	width
nHeight	height
hdcSrc	source device context
nXSrc	source x1
nYSrc	source y1
rop	raster operation code

Returns

0 on failure, non-zero otherwise

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gdi_CreateBitmap()

HGDI_BITMAP gdi_CreateBitmap	(	UINT32	nWidth,
		UINT32	nHeight,
		UINT32	format,
		BYTE *	data
	)

Create a new bitmap with the given width, height, color format and pixel buffer. msdn{dd183485}

Parameters

nWidth	width
nHeight	height
format	the color format used
data	pixel buffer

Returns

new bitmap

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gdi_CreateBitmapEx()

HGDI_BITMAP gdi_CreateBitmapEx	(	UINT32	nWidth,
		UINT32	nHeight,
		UINT32	format,
		UINT32	stride,
		BYTE *	data,
		void(*)(void *)	fkt_free
	)

Create a new bitmap with the given width, height, color format and pixel buffer. msdn{dd183485}

Parameters

nWidth	width
nHeight	height
format	the color format used
data	pixel buffer
fkt_free	The function used for deallocation of the buffer, NULL for none.

Returns

new bitmap

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gdi_CreateCompatibleBitmap()

HGDI_BITMAP gdi_CreateCompatibleBitmap	(	HGDI_DC	hdc,
		UINT32	nWidth,
		UINT32	nHeight
	)

Create a new bitmap of the given width and height compatible with the current device context. msdn{dd183488}

Parameters

hdc	device context
nWidth	width
nHeight	height

Returns

new bitmap

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gdi_GetPixel()

UINT32 gdi_GetPixel	(	HGDI_DC	hdc,
		UINT32	nXPos,
		UINT32	nYPos
	)

Get pixel at the given coordinates. msdn{dd144909}

Parameters

hdc	device context
nXPos	pixel x position
nYPos	pixel y position

Returns

pixel color

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gdi_GetPointer()

BYTE* gdi_GetPointer	(	HGDI_BITMAP	hBmp,
		UINT32	X,
		UINT32	Y
	)

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gdi_SetPixel()

UINT32 gdi_SetPixel	(	HGDI_DC	hdc,
		UINT32	X,
		UINT32	Y,
		UINT32	crColor
	)

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gdi_SetPixelBmp()

static INLINE UINT32 gdi_SetPixelBmp ( HGDI_BITMAP  hBmp, UINT32  X, UINT32  Y, UINT32  crColor  )

static

Set pixel at the given coordinates. msdn{dd145078}

Parameters

hBmp	device context
X	pixel x position
Y	pixel y position
crColor	new pixel color

Returns

the color written

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op_and()

static BOOL op_and ( UINT32 *  stack, UINT32 *  stackp  )

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op_not()

static BOOL op_not ( UINT32 *  stack, UINT32 *  stackp  )

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op_or()

static BOOL op_or ( UINT32 *  stack, UINT32 *  stackp  )

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op_xor()

static BOOL op_xor ( UINT32 *  stack, UINT32 *  stackp  )

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process_rop()

static UINT32 process_rop ( UINT32  src, UINT32  dst, UINT32  pat, const char *  rop, UINT32  format  )

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