mirror of https://github.com/FreeRDP/FreeRDP
131 lines
3.4 KiB
C
131 lines
3.4 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* Video Optimized Remoting Virtual Channel Extension for X11
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*
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* Copyright 2017 David Fort <contact@hardening-consulting.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <winpr/assert.h>
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#include <freerdp/client/geometry.h>
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#include <freerdp/client/video.h>
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#include <freerdp/gdi/video.h>
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#include "xf_video.h"
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#define TAG CLIENT_TAG("video")
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typedef struct
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{
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VideoSurface base;
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XImage* image;
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} xfVideoSurface;
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static VideoSurface* xfVideoCreateSurface(VideoClientContext* video, UINT32 x, UINT32 y,
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UINT32 width, UINT32 height)
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{
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xfContext* xfc;
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xfVideoSurface* ret;
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WINPR_ASSERT(video);
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ret = (xfVideoSurface*)VideoClient_CreateCommonContext(sizeof(xfContext), x, y, width, height);
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if (!ret)
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return NULL;
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xfc = (xfContext*)video->custom;
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WINPR_ASSERT(xfc);
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ret->image = XCreateImage(xfc->display, xfc->visual, xfc->depth, ZPixmap, 0,
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(char*)ret->base.data, width, height, 8, ret->base.scanline);
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if (!ret->image)
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{
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WLog_ERR(TAG, "unable to create surface image");
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VideoClient_DestroyCommonContext(&ret->base);
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return NULL;
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}
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return &ret->base;
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}
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static BOOL xfVideoShowSurface(VideoClientContext* video, const VideoSurface* surface,
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UINT32 destinationWidth, UINT32 destinationHeight)
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{
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const xfVideoSurface* xfSurface = (const xfVideoSurface*)surface;
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xfContext* xfc;
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const rdpSettings* settings;
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WINPR_ASSERT(video);
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WINPR_ASSERT(xfSurface);
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xfc = video->custom;
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WINPR_ASSERT(xfc);
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settings = xfc->common.context.settings;
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WINPR_ASSERT(settings);
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#ifdef WITH_XRENDER
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if (settings->SmartSizing || settings->MultiTouchGestures)
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{
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XPutImage(xfc->display, xfc->primary, xfc->gc, xfSurface->image, 0, 0, surface->x,
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surface->y, surface->w, surface->h);
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xf_draw_screen(xfc, surface->x, surface->y, surface->w, surface->h);
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}
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else
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#endif
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{
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XPutImage(xfc->display, xfc->drawable, xfc->gc, xfSurface->image, 0, 0, surface->x,
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surface->y, surface->w, surface->h);
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}
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return TRUE;
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}
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static BOOL xfVideoDeleteSurface(VideoClientContext* video, VideoSurface* surface)
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{
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xfVideoSurface* xfSurface = (xfVideoSurface*)surface;
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WINPR_UNUSED(video);
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if (xfSurface)
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XFree(xfSurface->image);
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VideoClient_DestroyCommonContext(surface);
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return TRUE;
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}
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void xf_video_control_init(xfContext* xfc, VideoClientContext* video)
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{
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WINPR_ASSERT(xfc);
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WINPR_ASSERT(video);
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gdi_video_control_init(xfc->common.context.gdi, video);
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/* X11 needs to be able to handle 32bpp colors directly. */
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if (xfc->depth >= 24)
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{
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video->custom = xfc;
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video->createSurface = xfVideoCreateSurface;
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video->showSurface = xfVideoShowSurface;
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video->deleteSurface = xfVideoDeleteSurface;
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}
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}
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void xf_video_control_uninit(xfContext* xfc, VideoClientContext* video)
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{
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WINPR_ASSERT(xfc);
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gdi_video_control_uninit(xfc->common.context.gdi, video);
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}
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