hdc.c

lgui_0.3.0.rar

/*
	Copyright (C) 2004-2005 Li Yudong
*/
/*
** 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
*/

#include "../include/common.h"
#include "../include/semaphore.h"
#include "../include/shmem.h"
#include "../include/socketio.h"
#include "../include/blockheap.h"
#include "../include/rect.h"
#include "../include/invalidregion.h"
#include "../include/clipregion.h"
#include "../include/message.h"
#include "../include/hdc.h"
#include "../include/caret.h"
#include "../include/winnc.h"
#include "../include/winbase.h"
#include "../include/window.h"
#include "../include/bmp.h"
#include "../include/gdi.h"
#include "../include/framebuffer.h"
#include "../include/mouse.h"

extern PWindowsTree _lGUI_pWindowsTree;

extern int _lGUI_iBytesDataType;


BOOL GUIAPI 
CreateStockObject()
{
	FILE* fp;
	char* pointer;
	char* pShmAddr;
	int* pIdxAddr;
	int iObjOffset;
	PEN		pen;
	BRUSH	brush;
	FONT	font;

	pShmAddr=GetShmAddr();
	if(!pShmAddr)
		return false;
	pIdxAddr=(int*)(pShmAddr+SHMEM_GDI_INDEX_OFFSET);
	iObjOffset=SHMEM_GDI_OFFSET;


	//#define WHITE_PEN			0x00000000
	pen.iGdiType	=GDI_PEN;
	pen.iPenStyle	=PS_SOLID;
	pen.iPenWidth		=1;
	pen.crPenColor	=RGB(0xff,0xff,0xff);
	memcpy((void*)(pShmAddr+iObjOffset),&pen,sizeof(PEN));
	*(pIdxAddr+WHITE_PEN)=iObjOffset;
	iObjOffset+=sizeof(PEN);



	//#define LTGRAY_PEN		0x00000001
	pen.iGdiType	=GDI_PEN;
	pen.iPenStyle	=PS_SOLID;
	pen.iPenWidth		=1;
	pen.crPenColor	=RGB(0xd4,0xd0,0xc8);
	memcpy((void*)(pShmAddr+iObjOffset),&pen,sizeof(PEN));	
	*(pIdxAddr+LTGRAY_PEN)=iObjOffset;
	iObjOffset+=sizeof(PEN);

	//#define GRAY_PEN			0x00000002
	pen.iGdiType	=GDI_PEN;
	pen.iPenStyle	=PS_SOLID;
	pen.iPenWidth		=1;
	pen.crPenColor	=RGB(0xc0,0xc0,0xc0);
	memcpy((void*)(pShmAddr+iObjOffset),&pen,sizeof(PEN));
	*(pIdxAddr+GRAY_PEN)=iObjOffset;
	iObjOffset+=sizeof(PEN);


	//#define DKGRAY_PEN		0x00000003
	pen.iGdiType	=GDI_PEN;
	pen.iPenStyle	=PS_SOLID;
	pen.iPenWidth		=1;
	pen.crPenColor	=RGB(0x80,0x80,0x80);
	memcpy((void*)(pShmAddr+iObjOffset),&pen,sizeof(PEN));
	*(pIdxAddr+DKGRAY_PEN)=iObjOffset;
	iObjOffset+=sizeof(PEN);

	//#define BLACK_PEN			0x00000004
	pen.iGdiType	=GDI_PEN;
	pen.iPenStyle	=PS_SOLID;
	pen.iPenWidth		=1;
	pen.crPenColor	=RGB(0x00,0x00,0x00);
	memcpy((void*)(pShmAddr+iObjOffset),&pen,sizeof(PEN));
	*(pIdxAddr+BLACK_PEN)=iObjOffset;
	iObjOffset+=sizeof(PEN);

	//#define NULL_PEN			0x00000005
	pen.iGdiType	=GDI_PEN;
	pen.iPenStyle	=PS_NULL;
	pen.iPenWidth		=1;
	pen.crPenColor	=RGB(0x00,0x00,0x00);
	memcpy((void*)(pShmAddr+iObjOffset),&pen,sizeof(PEN));
	*(pIdxAddr+NULL_PEN)=iObjOffset;
	iObjOffset+=sizeof(PEN);


	//#define WHITE_BRUSH		0x00000006
	brush.iGdiType		=GDI_BRUSH;
	brush.iBrushStyle	=BS_SOLID;	// brush style
	brush.crBrushColor	=RGB(0xFF,0xFF,0xFF);
	memcpy((void*)(pShmAddr+iObjOffset),&brush,sizeof(BRUSH));
	*(pIdxAddr+WHITE_BRUSH)=iObjOffset;
	iObjOffset+=sizeof(BRUSH);


	//#define LTGRAY_BRUSH		0x00000007
	brush.iGdiType		=GDI_BRUSH;
	brush.iBrushStyle	=BS_SOLID;	// brush style
	brush.crBrushColor	=RGB(0xd4,0xd0,0xc8);
	memcpy((void*)(pShmAddr+iObjOffset),&brush,sizeof(BRUSH));
	*(pIdxAddr+LTGRAY_BRUSH)=iObjOffset;
	iObjOffset+=sizeof(BRUSH);

	//#define GRAY_BRUSH		0x00000008
	brush.iGdiType		=GDI_BRUSH;
	brush.iBrushStyle	=BS_SOLID;	// brush style
	brush.crBrushColor	=RGB(0xc0,0xc0,0xc0);
	memcpy((void*)(pShmAddr+iObjOffset),&brush,sizeof(BRUSH));
	*(pIdxAddr+GRAY_BRUSH)=iObjOffset;
	iObjOffset+=sizeof(BRUSH);

	//#define DKGRAY_BRUSH		0x00000009
	brush.iGdiType		=GDI_BRUSH;
	brush.iBrushStyle	=BS_SOLID;	// brush style
	brush.crBrushColor	=RGB(0x80,0x80,0x80);
	memcpy((void*)(pShmAddr+iObjOffset),&brush,sizeof(BRUSH));
	*(pIdxAddr+DKGRAY_BRUSH)=iObjOffset;
	iObjOffset+=sizeof(BRUSH);
	
	//#define BLACK_BRUSH		0x0000000A
	brush.iGdiType		=GDI_BRUSH;
	brush.iBrushStyle	=BS_SOLID;	// brush style
	brush.crBrushColor	=RGB(0x00,0x00,0x00);
	memcpy((void*)(pShmAddr+iObjOffset),&brush,sizeof(BRUSH));
	*(pIdxAddr+BLACK_BRUSH)=iObjOffset;
	iObjOffset+=sizeof(BRUSH);

	//#define NULL_BRUSH		0x0000000B
	brush.iGdiType		=GDI_BRUSH;
	brush.iBrushStyle	=BS_NULL;	// brush style
	brush.crBrushColor	=RGB(0x00,0x00,0x00);
	memcpy((void*)(pShmAddr+iObjOffset),&brush,sizeof(BRUSH));
	*(pIdxAddr+NULL_BRUSH)=iObjOffset;
	iObjOffset+=sizeof(BRUSH);	

		
	//#define FONT_16_16			0x0000000C
	fp=fopen(FONT_16_16_SPEC,"rb");
	if(!fp)
		return false;
	pointer=pShmAddr+SHMEM_FONT_16_16_OFFSET;
	while(!feof(fp)){
		fread(pointer,1,1,fp);
		pointer++;
	}

	fclose(fp);

	font.iGdiType		=GDI_FONT;
	font.iFontStyle		=FONT_16_16;	// font style
	font.iOffset		=SHMEM_FONT_16_16_OFFSET;

	memcpy(&(font.FontLibHeader),
		(void*)(pShmAddr+SHMEM_FONT_16_16_OFFSET),
		sizeof(FONTLIBHEADER));

	memcpy((void*)(pShmAddr+iObjOffset),&font,sizeof(FONT));	
	
	*(pIdxAddr+FONT_16_16)=iObjOffset;
	iObjOffset+=sizeof(FONT);


	
	//#define FONT_14_14			0x0000000D					
	fp=fopen(FONT_14_14_SPEC,"rb");
	if(!fp)
		return false;
	pointer=pShmAddr+SHMEM_FONT_14_14_OFFSET;
	while(!feof(fp)){
		fread(pointer,1,1,fp);
		pointer++;
	}

	fclose(fp);
	
	font.iGdiType		=GDI_FONT;
	font.iFontStyle		=FONT_14_14;	// font style
	font.iOffset		=SHMEM_FONT_14_14_OFFSET;
	
	
	memcpy(&(font.FontLibHeader),
		(void*)(pShmAddr+SHMEM_FONT_14_14_OFFSET),
		sizeof(FONTLIBHEADER));

	memcpy((void*)(pShmAddr+iObjOffset),&font,sizeof(FONT));			
	
	*(pIdxAddr+FONT_14_14)=iObjOffset;
	iObjOffset+=sizeof(FONT);

	//#define FONT_12_12			0x0000000E
	fp=fopen(FONT_12_12_SPEC,"rb");
	if(!fp)
		return false;
	pointer=pShmAddr+SHMEM_FONT_12_12_OFFSET;
	while(!feof(fp)){
		fread(pointer,1,1,fp);
		pointer++;
	}

	fclose(fp);
	
	font.iGdiType		=GDI_FONT;
	font.iFontStyle		=FONT_12_12;	// font style
	font.iOffset		=SHMEM_FONT_12_12_OFFSET;
	memcpy(&(font.FontLibHeader),
		(void*)(pShmAddr+SHMEM_FONT_12_12_OFFSET),
		sizeof(FONTLIBHEADER));

	memcpy((void*)(pShmAddr+iObjOffset),&font,sizeof(FONT));	
	*(pIdxAddr+FONT_12_12)=iObjOffset;
	iObjOffset+=sizeof(FONT);

	return true;		
}



HGDIOBJ	GUIAPI 
GetStockObject(
	int iStyle
)
{
	char* pShmAddr;
	int iObjOffset;
	int iType;
	PEN* pPen;
	BRUSH* pBrush;
	FONT* pFont;

	pShmAddr=GetShmAddr();
	if(!pShmAddr)
		return false;
	
	
	iObjOffset=*(((int*)(pShmAddr+SHMEM_GDI_INDEX_OFFSET))+iStyle);
	//get gdi type
	shm_read((char*)(&iType),iObjOffset,sizeof(int));
	switch(iType){
	case GDI_PEN:
		pPen=(PEN*)malloc(sizeof(PEN));
		if(!pPen)
			return NULL;
		shm_read((char*)pPen,iObjOffset,sizeof(PEN));
		return (HGDIOBJ)pPen;

	case GDI_BRUSH:
		pBrush=(BRUSH*)malloc(sizeof(BRUSH));
		if(!pBrush)
			return NULL;
		shm_read((char*)pBrush,iObjOffset,sizeof(BRUSH));
		return (HGDIOBJ)pBrush;
	case GDI_FONT:
		pFont=(FONT*)malloc(sizeof(FONT));
		if(!pFont)
			return NULL;
		shm_read((char*)pFont,iObjOffset,sizeof(FONT));
		return (HGDIOBJ)pFont;
	}
	return NULL;
}


HDC GUIAPI 
GetDC(
	 HWND hWnd
)
{
	HDC hDC;
	BITMAP *pBitmap;
	hDC=malloc(sizeof(DC));
	if(!hDC)
		return NULL;
	memset(hDC,0,sizeof(DC));

	pBitmap=malloc(sizeof(BITMAP));
	if(!pBitmap)
		return NULL;

	memset(pBitmap,0,sizeof(BITMAP));
	hDC->iType=DC_TYPE_WIN;	
	hDC->iCoordType = DC_COORDTYPE_CLIENT;
	hDC->hWnd=hWnd;

	hDC->isTextBkTrans	=true;
	hDC->crTextBkColor	=RGB(0xff, 0xff, 0xff);
	hDC->crTextColor	=RGB(0x00, 0x00, 0x00);

	hDC->hPen	=(HPEN)(GetStockObject(BLACK_PEN));
	hDC->hBrush	=(HBRUSH)(GetStockObject(NULL_BRUSH));
	hDC->hFont	=(HFONT)(GetStockObject(SYS_DEFAULT_FONT));
	hDC->hBitmap=(HBITMAP)pBitmap;
	hDC->pData	=NULL;

	return hDC;
}



HDC GUIAPI 
GetWindowDC(
	 HWND hWnd
)
{
	HDC hDC;
	BITMAP *pBitmap;
	hDC=malloc(sizeof(DC));
	if(!hDC)
		return NULL;
	memset(hDC,0,sizeof(DC));

	pBitmap=malloc(sizeof(BITMAP));
	if(!pBitmap)
		return NULL;

	memset(pBitmap,0,sizeof(BITMAP));
	hDC->iType=DC_TYPE_WIN;	
	hDC->iCoordType = DC_COORDTYPE_WINDOW;
	hDC->hWnd=hWnd;

	hDC->isTextBkTrans	=true;
	hDC->crTextBkColor	=RGB(0xff, 0xff, 0xff);
	hDC->crTextColor	=RGB(0x00, 0x00, 0x00);

	hDC->hPen	=(HPEN)(GetStockObject(BLACK_PEN));
	hDC->hBrush	=(HBRUSH)(GetStockObject(NULL_BRUSH));
	hDC->hFont	=(HFONT)(GetStockObject(SYS_DEFAULT_FONT));
	hDC->hBitmap=(HBITMAP)pBitmap;
	hDC->pData	=NULL;

	return hDC;
}
HPEN GUIAPI