117 lines
4.5 KiB
C
117 lines
4.5 KiB
C
/**************************************************************************/
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/* */
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/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com) */
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/* Copyright (c) 2008-2017 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de> */
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/* Copyright (c) 2011-2022 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/
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/* Copyright (c) 2014-2019 Mihai Moldovan <ionic@ionic.de> */
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/* Copyright (c) 2014-2022 Ulrich Sibiller <uli42@gmx.de> */
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/* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com) */
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/* */
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/* NXAGENT, NX protocol compression and NX extensions to this software */
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/* are copyright of the aforementioned persons and companies. */
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/* */
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/* Redistribution and use of the present software is allowed according */
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/* to terms specified in the file LICENSE which comes in the source */
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/* distribution. */
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/* */
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/* All rights reserved. */
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/* */
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/* NOTE: This software has received contributions from various other */
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/* contributors, only the core maintainers and supporters are listed as */
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/* copyright holders. Please contact us, if you feel you should be listed */
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/* as copyright holder, as well. */
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/* */
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/**************************************************************************/
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#ifndef __Image_H__
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#define __Image_H__
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/*
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* Graphic operations.
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*/
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void nxagentPutImage(DrawablePtr pDrawable, GCPtr pGC, int depth,
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int dstX, int dstY, int dstWidth, int dstHeight,
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int leftPad, int format, char *data);
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void nxagentRealizeImage(DrawablePtr pDrawable, GCPtr pGC, int depth,
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int x, int y, int w, int h, int leftPad,
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int format, char *data);
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void nxagentPutSubImage(DrawablePtr pDrawable, GCPtr pGC, int depth,
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int x, int y, int w, int h, int leftPad, int format,
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char *data, Visual *pVisual);
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void nxagentGetImage(DrawablePtr pDrawable, int x, int y, int w, int h,
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unsigned int format, unsigned long planeMask, char *data);
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/*
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* Pack and split parameters we get
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* from the NX transport.
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*/
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extern int nxagentPackLossless;
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extern int nxagentPackMethod;
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extern int nxagentPackQuality;
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extern int nxagentSplitThreshold;
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/*
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* Set if images can use the alpha
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* channel and if the alpha channel
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* can be sent in compressed form.
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*/
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extern Bool nxagentAlphaEnabled;
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extern Bool nxagentAlphaCompat;
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/*
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* Reset the visual and alpha cache
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* before closing the screen or con-
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* necting to a different display.
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*/
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void nxagentResetVisualCache(void);
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void nxagentResetAlphaCache(void);
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/*
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* Always use the default visual for the
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* image related functions.
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*/
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#define nxagentImageVisual(pDrawable, depth) \
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((depth) == 32 ? &nxagentAlphaVisual : \
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nxagentDefaultVisual(((pDrawable) -> pScreen)))
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/*
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* Byte swap the image if the display
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* uses a different endianness.
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*/
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#define nxagentImageNormalize(image) \
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((image) -> byte_order != IMAGE_BYTE_ORDER || \
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(image) -> bitmap_bit_order != BITMAP_BIT_ORDER ? \
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nxagentImageReformat((image) -> data, (image) -> bytes_per_line * \
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(image) -> height * ((image) -> format == XYPixmap ? (image) -> depth : 1), \
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((image) -> format == ZPixmap ? \
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BitsPerPixel((image) -> depth) : 1), \
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(image) -> byte_order) : 0)
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/*
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* Other image related functions.
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*/
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int nxagentImageLength(int width, int height, int format, int leftPad, int depth);
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int nxagentImagePad(int width, int format, int leftPad, int depth);
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int nxagentImageReformat(char *base, int nbytes, int bpp, int order);
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void nxagentImageStatisticsHandler(char **buffer, int type);
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int nxagentScaleImage(int x, int y, unsigned xRatio, unsigned yRatio, XImage **pImage, int *scaledx, int *scaledy);
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char *nxagentAllocateImageData(int width, int height, int depth, int *length, int *format);
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#endif /* __Image_H__ */
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