gps/GPSResources/tcpmp/common/overlay/overlay_raw.c

278 lines
7.7 KiB
C
Executable File

/*****************************************************************************
*
* This program is free software ; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id: overlay_raw.c 543 2006-01-07 22:06:24Z picard $
*
* The Core Pocket Media Player
* Copyright (c) 2004-2005 Gabor Kovacs
*
****************************************************************************/
#include "../common.h"
#ifdef TARGET_WINCE
#define WIN32_LEAN_AND_MEAN
#ifndef STRICT
#define STRICT
#endif
#include <windows.h>
typedef struct raw
{
overlay Overlay;
void* Ptr;
RawFrameBufferInfo Info;
} raw;
static const datatable Params[] =
{
{ RAW_WIDTH, TYPE_INT, DF_SETUP | DF_RDONLY | DF_HIDDEN },
{ RAW_HEIGHT, TYPE_INT, DF_SETUP | DF_RDONLY | DF_HIDDEN },
{ RAW_PITCHX, TYPE_INT, DF_SETUP | DF_RDONLY | DF_HIDDEN },
{ RAW_PITCHY, TYPE_INT, DF_SETUP | DF_RDONLY | DF_HIDDEN },
{ RAW_BPP, TYPE_INT, DF_SETUP | DF_RDONLY | DF_HIDDEN },
{ RAW_FORMAT, TYPE_INT, DF_SETUP | DF_RDONLY | DF_HIDDEN },
{ RAW_POINTER, TYPE_INT, DF_SETUP | DF_RDONLY | DF_HEX | DF_HIDDEN },
DATATABLE_END(RAW_ID),
};
static bool_t GetRawFrameBuffer(RawFrameBufferInfo* Info)
{
HDC DC = GetDC(NULL);
memset(Info,0,sizeof(RawFrameBufferInfo));
ExtEscape(DC, GETRAWFRAMEBUFFER, 0, NULL, sizeof(RawFrameBufferInfo), (char*)Info);
if (!Info->pFramePointer && QueryPlatform(PLATFORM_VER) >= 421)
{
//try gxinfo
DWORD Code = GETGXINFO;
if (ExtEscape(DC, ESC_QUERYESCSUPPORT, sizeof(DWORD), (char*)&Code, 0, NULL) > 0)
{
DWORD DCWidth = GetDeviceCaps(DC,HORZRES);
DWORD DCHeight = GetDeviceCaps(DC,VERTRES);
GXDeviceInfo GXInfo;
memset(&GXInfo,0,sizeof(GXInfo));
GXInfo.Version = 100;
ExtEscape(DC, GETGXINFO, 0, NULL, sizeof(GXInfo), (char*)&GXInfo);
// avoid VGA devices (or QVGA smartphones emulating 176x220)
if (GXInfo.cbStride>0 && !(GXInfo.ffFormat & kfLandscape) &&
((DCWidth == GXInfo.cxWidth && DCHeight == GXInfo.cyHeight) ||
(DCWidth == GXInfo.cyHeight && DCHeight == GXInfo.cxWidth)))
{
bool_t Detect = 0;
TRY_BEGIN
{
int* p = (int*)GXInfo.pvFrameBuffer;
COLORREF Old = GetPixel(DC,0,0);
*p ^= -1;
Detect = GetPixel(DC,0,0) != Old;
*p ^= -1;
}
TRY_END
if (Detect)
{
Info->pFramePointer = GXInfo.pvFrameBuffer;
Info->cxPixels = GXInfo.cxWidth;
Info->cyPixels = GXInfo.cyHeight;
Info->cxStride = GXInfo.cBPP/8;
Info->cyStride = GXInfo.cbStride;
Info->wBPP = (WORD)GXInfo.cBPP;
Info->wFormat = (WORD)GXInfo.ffFormat;
}
}
}
}
ReleaseDC(NULL,DC);
return Info->pFramePointer != NULL;
}
static int Enum(raw* p, int* No, datadef* Param)
{
if (OverlayEnum(&p->Overlay,No,Param)==ERR_NONE)
return ERR_NONE;
return NodeEnumTable(No,Param,Params);
}
static int Get(raw* p,int No,void* Data,int Size)
{
int Result = OverlayGet(&p->Overlay,No,Data,Size);
switch (No)
{
case RAW_WIDTH: GETVALUE(p->Info.cxPixels,int); break;
case RAW_HEIGHT: GETVALUE(p->Info.cyPixels,int); break;
case RAW_PITCHX: GETVALUE(p->Info.cxStride,int); break;
case RAW_PITCHY: GETVALUE(p->Info.cyStride,int); break;
case RAW_BPP: GETVALUE(p->Info.wBPP,int); break;
case RAW_FORMAT: GETVALUE(p->Info.wFormat,int); break;
case RAW_POINTER: GETVALUE((int)p->Info.pFramePointer,int); break;
}
return Result;
}
static int Init(raw* p)
{
RawFrameBufferInfo Info;
if (!GetRawFrameBuffer(&p->Info))
return ERR_DEVICE_ERROR;
memcpy(&Info,&p->Info,sizeof(Info));
if (abs(Info.cyStride) < abs(Info.cxStride))
{
if (abs(Info.cxStride)*8 < Info.cyPixels*Info.wBPP &&
abs(Info.cxStride)*8 >= Info.cxPixels*Info.wBPP) //swapped resolution
SwapInt(&Info.cxPixels,&Info.cyPixels);
}
else
{
if (abs(Info.cyStride)*8 < Info.cxPixels*Info.wBPP &&
abs(Info.cyStride)*8 >= Info.cyPixels*Info.wBPP) //swapped resolution
SwapInt(&Info.cxPixels,&Info.cyPixels);
}
memset(&p->Overlay.Output.Format.Video,0,sizeof(video));
p->Overlay.Output.Format.Video.Width = Info.cxPixels;
p->Overlay.Output.Format.Video.Height = Info.cyPixels;
p->Overlay.Output.Format.Video.Direction = 0;
p->Overlay.Output.Format.Video.Aspect = ASPECT_ONE;
switch (Info.wFormat)
{
case kfDirect555:
case kfDirect|kfDirect555:
case kfDirect|kfDirect555|kfLandscape:
case FORMAT_555:
DefaultRGB(&p->Overlay.Output.Format.Video.Pixel,Info.wBPP,5,5,5,0,0,0);
break;
case kfDirect565:
case kfDirect|kfDirect565:
case kfDirect|kfDirect565|kfLandscape:
case FORMAT_565:
DefaultRGB(&p->Overlay.Output.Format.Video.Pixel,Info.wBPP,5,6,5,0,0,0);
break;
default:
return ERR_DEVICE_ERROR;
}
// we need the physical start of the framebuffer
if (Info.cxStride<0)
Info.pFramePointer += (Info.cxStride * (Info.cxPixels-1));
if (Info.cyStride<0)
Info.pFramePointer += (Info.cyStride * (Info.cyPixels-1));
if (abs(Info.cyStride) < abs(Info.cxStride))
{
p->Overlay.Output.Format.Video.Direction |= DIR_SWAPXY;
p->Overlay.Output.Format.Video.Pitch = abs(Info.cxStride);
SwapInt(&p->Overlay.Output.Format.Video.Width,&p->Overlay.Output.Format.Video.Height);
if (Info.cxStride<0)
p->Overlay.Output.Format.Video.Direction |= DIR_MIRRORUPDOWN;
if (Info.cyStride<0)
p->Overlay.Output.Format.Video.Direction |= DIR_MIRRORLEFTRIGHT;
}
else
{
p->Overlay.Output.Format.Video.Pitch = abs(Info.cyStride);
if (Info.cxStride<0)
p->Overlay.Output.Format.Video.Direction |= DIR_MIRRORLEFTRIGHT;
if (Info.cyStride<0)
p->Overlay.Output.Format.Video.Direction |= DIR_MIRRORUPDOWN;
}
if (((int)Info.pFramePointer & 15)==0 && (p->Overlay.Output.Format.Video.Pitch & 15)==0)
p->Overlay.Output.Format.Video.Pixel.Flags |= PF_16ALIGNED;
p->Ptr = Info.pFramePointer;
if (p->Overlay.Output.Format.Video.Direction & DIR_SWAPXY)
p->Overlay.SetFX |= BLITFX_VMEMROTATED;
p->Overlay.SetFX = BLITFX_AVOIDTEARING;
AdjustOrientation(&p->Overlay.Output.Format.Video,1);
return ERR_NONE;
}
static void Done(raw* p)
{
}
static int Reset(raw* p)
{
Done(p);
Init(p);
return ERR_NONE;
}
static int Lock(raw* p, planes Planes, bool_t OnlyAligned)
{
Planes[0] = p->Ptr;
return ERR_NONE;
}
static int Unlock(raw* p)
{
return ERR_NONE;
}
static int Create(raw* p)
{
// skip when GAPI is already available (but not for QVGA smartphones)
if (NodeEnumObject(NULL,GAPI_ID) &&
GetSystemMetrics(SM_CXSCREEN)*GetSystemMetrics(SM_CYSCREEN) < 320*240)
return ERR_NOT_SUPPORTED;
p->Overlay.Node.Enum = Enum;
p->Overlay.Node.Get = Get;
p->Overlay.Init = Init;
p->Overlay.Done = Done;
p->Overlay.Reset = Reset;
p->Overlay.Lock = Lock;
p->Overlay.Unlock = Unlock;
if (Init(p) != ERR_NONE) // check if supported
return ERR_NOT_SUPPORTED;
Done(p);
return ERR_NONE;
}
static const nodedef RAW =
{
sizeof(raw)|CF_GLOBAL, //no setup
RAW_ID,
OVERLAY_CLASS,
PRI_DEFAULT+95,
(nodecreate)Create,
};
void OverlayRAW_Init()
{
NodeRegisterClass(&RAW);
}
void OverlayRAW_Done()
{
NodeUnRegisterClass(RAW_ID);
}
#endif