| 1 | /** @file
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| 2 | *
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| 3 | * VBox frontends: Basic Frontend (BFE):
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| 4 | * Declaration of SDLFramebuffer class
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| 5 | */
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| 6 |
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| 7 | /*
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| 8 | * Copyright (C) 2006-2007 Oracle Corporation
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| 9 | *
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| 10 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 11 | * available from http://www.virtualbox.org. This file is free software;
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| 12 | * you can redistribute it and/or modify it under the terms of the GNU
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| 13 | * General Public License (GPL) as published by the Free Software
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| 14 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 15 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 16 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 17 | */
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| 18 |
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| 19 | #ifndef __H_SDLFRAMEBUFFER
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| 20 | #define __H_SDLFRAMEBUFFER
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| 21 |
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| 22 | #include "VBoxBFE.h"
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| 23 | #include "SDLConsole.h"
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| 24 |
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| 25 | #include <iprt/thread.h>
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| 26 |
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| 27 | #include <iprt/critsect.h>
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| 28 |
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| 29 | #ifdef VBOX_SECURELABEL
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| 30 | #include <SDL_ttf.h>
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| 31 | #endif
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| 32 |
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| 33 | #include "Framebuffer.h"
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| 34 |
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| 35 | class SDLFramebuffer : public Framebuffer
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| 36 | {
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| 37 | public:
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| 38 | SDLFramebuffer();
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| 39 | virtual ~SDLFramebuffer();
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| 40 |
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| 41 | virtual HRESULT getWidth(ULONG *width);
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| 42 | virtual HRESULT getHeight(ULONG *height);
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| 43 | virtual HRESULT Lock();
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| 44 | virtual HRESULT Unlock();
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| 45 | virtual HRESULT getAddress(uintptr_t *address);
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| 46 | virtual HRESULT getBitsPerPixel(ULONG *bitsPerPixel);
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| 47 | virtual HRESULT getLineSize(ULONG *lineSize);
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| 48 | virtual HRESULT NotifyUpdate(ULONG x, ULONG y, ULONG w, ULONG h);
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| 49 | virtual HRESULT RequestResize(ULONG w, ULONG h, BOOL *finished);
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| 50 | virtual HRESULT GetVisibleRegion(BYTE *aRectangles, ULONG aCount, ULONG *aCountCopied);
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| 51 | virtual HRESULT SetVisibleRegion(BYTE *aRectangles, ULONG aCount);
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| 52 |
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| 53 | virtual HRESULT ProcessVHWACommand(BYTE *pCommand);
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| 54 |
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| 55 | virtual void repaint();
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| 56 | virtual void resize();
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| 57 |
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| 58 | virtual void update(int x, int y, int w, int h);
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| 59 | virtual bool getFullscreen();
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| 60 | virtual void setFullscreen(bool fFullscreen);
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| 61 | virtual int getYOffset();
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| 62 | virtual int getHostXres();
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| 63 | virtual int getHostYres();
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| 64 | virtual int getHostBitsPerPixel();
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| 65 |
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| 66 | #ifdef VBOX_SECURELABEL
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| 67 | virtual int initSecureLabel(uint32_t height, char *font, uint32_t pointsize);
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| 68 | virtual void setSecureLabelText(const char *text);
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| 69 | virtual void paintSecureLabel(int x, int y, int w, int h, bool fForce);
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| 70 | #endif
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| 71 |
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| 72 | private:
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| 73 | /** the sdl thread */
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| 74 | RTNATIVETHREAD mSdlNativeThread;
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| 75 | /** current SDL framebuffer pointer */
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| 76 | SDL_Surface *mScreen;
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| 77 | /** current guest screen width in pixels */
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| 78 | ULONG mWidth;
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| 79 | /** current guest screen height in pixels */
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| 80 | ULONG mHeight;
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| 81 | /** Y offset in pixels, i.e. screen_height - guest_screen_height */
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| 82 | uint32_t mTopOffset;
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| 83 | /** flag whether we're in fullscreen mode */
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| 84 | bool mfFullscreen;
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| 85 | /** framebuffer update semaphore */
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| 86 | RTCRITSECT mUpdateLock;
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| 87 | #ifdef VBOX_SECURELABEL
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| 88 | /** current secure label text */
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| 89 | Utf8Str mSecureLabelText;
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| 90 | /** secure label font handle */
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| 91 | TTF_Font *mLabelFont;
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| 92 | /** secure label height in pixels */
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| 93 | uint32_t mLabelHeight;
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| 94 | #endif
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| 95 | #ifdef RT_OS_WINDOWS
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| 96 | long refcnt;
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| 97 | #endif
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| 98 | };
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| 99 |
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| 100 | #endif // __H_SDLFRAMEBUFFER
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