121 lines
4.2 KiB
C
121 lines
4.2 KiB
C
/*
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* Copyright (C) 2013 Glyptodon LLC
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef GUAC_VNC_DISPLAY_H
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#define GUAC_VNC_DISPLAY_H
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#include "config.h"
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#include <rfb/rfbclient.h>
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#include <rfb/rfbproto.h>
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/**
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* Callback invoked by libVNCServer when it receives a new binary image data.
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* the VNC server. The image itself will be stored in the designated sub-
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* rectangle of client->framebuffer.
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*
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* @param client
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* The VNC client associated with the VNC session in which the new image
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* was received.
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*
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* @param x
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* The X coordinate of the upper-left corner of the destination rectangle
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* in which the image should be drawn, in pixels.
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*
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* @param y
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* The Y coordinate of the upper-left corner of the destination rectangle
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* in which the image should be drawn, in pixels.
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*
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* @param w
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* The width of the image, in pixels.
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*
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* @param h
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* The height of the image, in pixels.
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*/
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void guac_vnc_update(rfbClient* client, int x, int y, int w, int h);
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/**
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* Callback invoked by libVNCServer when it receives a CopyRect message.
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* CopyRect specified a rectangle of source data within the display and a
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* set of X/Y coordinates to which that rectangle should be copied.
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*
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* @param client
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* The VNC client associated with the VNC session in which the CopyRect
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* was received.
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*
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* @param src_x
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* The X coordinate of the upper-left corner of the source rectangle
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* from which the image data should be copied, in pixels.
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*
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* @param src_y
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* The Y coordinate of the upper-left corner of the source rectangle
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* from which the image data should be copied, in pixels.
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*
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* @param w
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* The width of the source and destination rectangles, in pixels.
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*
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* @param h
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* The height of the source and destination rectangles, in pixels.
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*
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* @param dest_x
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* The X coordinate of the upper-left corner of the destination rectangle
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* in which the copied image data should be drawn, in pixels.
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*
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* @param dest_y
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* The Y coordinate of the upper-left corner of the destination rectangle
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* in which the copied image data should be drawn, in pixels.
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*/
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void guac_vnc_copyrect(rfbClient* client, int src_x, int src_y, int w, int h,
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int dest_x, int dest_y);
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/**
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* Sets the pixel format to request of the VNC server. The request will be made
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* during the connection handshake with the VNC server using the values
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* specified by this function. Note that the VNC server is not required to
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* honor this request.
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*
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* @param client
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* The VNC client associated with the VNC session whose desired pixel
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* format should be set.
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*
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* @param color_depth
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* The desired new color depth, in bits per pixel. Valid values are 8, 16,
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* 24, and 32.
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*/
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void guac_vnc_set_pixel_format(rfbClient* client, int color_depth);
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/**
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* Overridden implementation of the rfb_MallocFrameBuffer function invoked by
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* libVNCServer when the display is being resized (or initially allocated).
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*
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* @param client
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* The VNC client associated with the VNC session whose display needs to be
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* allocated or reallocated.
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*
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* @return
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* The original value returned by rfb_MallocFrameBuffer().
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*/
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rfbBool guac_vnc_malloc_framebuffer(rfbClient* rfb_client);
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#endif
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