33bbe22391
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@11972 a95241bf-73f2-0310-859d-f6bbb57e9c96
111 lines
3.1 KiB
C++
111 lines
3.1 KiB
C++
//------------------------------------------------------------------------------
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// Copyright (c) 2001-2002, Haiku, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is 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
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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// File Name: ServerScreen.cpp
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// Author: Adi Oanca <adioanca@myrealbox.com>
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// Description: Handles individual screens
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//
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//------------------------------------------------------------------------------
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#include <Accelerant.h>
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#include <Point.h>
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#include <GraphicsDefs.h>
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#include <stdio.h>
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#include "ServerScreen.h"
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#include "DisplayDriver.h"
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Screen::Screen(DisplayDriver *dDriver, BPoint res, uint32 colorspace, const int32 &ID)
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{
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fID = ID;
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fDDriver = dDriver;
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SetResolution(res, colorspace);
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}
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Screen::~Screen(void)
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{
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//printf("~Screen( %ld )\n", fID);
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}
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bool Screen::SupportsResolution(BPoint res, uint32 colorspace)
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{
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// TODO: remove/improve
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return true;
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display_mode *dm = NULL;
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uint32 count;
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status_t err=fDDriver->GetModeList(&dm, &count);
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if(err==B_UNSUPPORTED)
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{
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// We've run into quite a problem here! This is a function which is a requirement
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// for a graphics module. The best thing that we can hope for is 640x480x8 without
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// knowing anything else. While even this seems like insanity to assume that we
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// can support this, the only lower mode supported is 640x400, but we shouldn't even
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// bother with such a pathetic possibility.
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if( (uint16)res.x == 640 && (uint16)res.y ==480 && colorspace==B_CMAP8)
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return true;
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else
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return false;
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}
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for (uint32 i=0; i < count; i++)
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{
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if (dm[i].virtual_width == (uint16)res.x &&
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dm[i].virtual_height == (uint16)res.y &&
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dm[i].space == colorspace)
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return true;
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}
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delete [] dm;
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return false;
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}
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bool Screen::SetResolution(BPoint res, uint32 colorspace)
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{
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if (!SupportsResolution(res, colorspace))
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return false;
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display_mode mode;
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mode.virtual_width = (uint16)res.x;
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mode.virtual_height = (uint16)res.y;
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mode.space = colorspace;
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fDDriver->SetMode(mode);
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return true;
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}
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BPoint Screen::Resolution() const
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{
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display_mode mode;
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fDDriver->GetMode(&mode);
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return BPoint(mode.virtual_width, mode.virtual_height);
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}
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int32 Screen::ScreenNumber(void) const
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{
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return fID;
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}
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