www.pudn.com > ControlRemote.zip > Gdi.c

#include "Gdi.h" 
#include "Server.h" 
#include  
 
// 添加一个元素到GDI链表 
struct GdiList *Add_Gdi(struct GdiList *pNode,struct GdiDS Gdi) 
{ 
	// 添加到链表的末尾 
	if (pNode->pNext = (struct GdiList *)malloc(sizeof(struct GdiList))) 
	{ 
		pNode = pNode->pNext; 
 
		// 添加网格坐标 
		pNode->Gdi.iGridX = Gdi.iGridX; 
		pNode->Gdi.iGridY = Gdi.iGridY; 
 
		// 设置区域的矩形坐标 
		pNode->Gdi.iWidth1 = Gdi.iWidth1; 
		pNode->Gdi.iWidth2 = Gdi.iWidth2; 
		pNode->Gdi.iHeight1 = Gdi.iHeight1; 
		pNode->Gdi.iHeight2 = Gdi.iHeight2; 
 
		// 设置DIB颜色表的颜色数 
		pNode->Gdi.nColors = Gdi.nColors; 
 
		// 设置DIB信息头的字节数 
		pNode->Gdi.dwBitMapHeader = Gdi.dwBitMapHeader; 
 
		// 设置位图长度和起始坐标 
		pNode->Gdi.dwLen = Gdi.dwLen; 
		pNode->Gdi.dwCompress = Gdi.dwCompress; 
		pNode->Gdi.iStartPos = Gdi.iStartPos; 
 
		//设置DIB 
		pNode->Gdi.DIBitmap = Gdi.DIBitmap; 
 
		// 设置DIB信息头 
		pNode->Gdi.BMIH = Gdi.BMIH; 
 
		// 设置DIB信息头的指针 
		pNode->Gdi.lpBMIH = Gdi.lpBMIH; 
 
		// 设置区域的装置设备句柄 
		pNode->Gdi.hMemDC = Gdi.hMemDC; 
 
		// 设置区域的位图句柄 
		pNode->Gdi.hDIBitmap = Gdi.hDIBitmap; 
 
		// 区域无压缩DIB的指针 
		pNode->Gdi.pDIB = Gdi.pDIB; 
 
		//设置指向区域DIB变化的部分的指针 
		pNode->Gdi.pDIBChange = Gdi.pDIBChange; 
 
		//设置指向压缩区域的DIB的指针 
		pNode->Gdi.pDIBCompress = Gdi.pDIBCompress; 
 
		//设置指向全局区域位图指针 
		pNode->Gdi.pDIBitmap = Gdi.pDIBitmap; 
 
		// 区域位图标志 
		pNode->Gdi.fDIBitmap = Gdi.fDIBitmap; 
		pNode->Gdi.fChange = Gdi.fChange; 
 
		pNode->pNext = NULL; 
		return pNode; 
	} 
	return NULL; 
} 
 
// 完全清楚GDI链表 
void Clear_Gdi(struct GdiList *pStart) 
{ 
	struct	GdiList	*pPrev; 
	struct	GdiList	*pNode; 
	while (pNode = pStart->pNext) 
	{ 
		pPrev = pStart; 
		pPrev->pNext = pNode->pNext; 
		DeleteDC(pNode->Gdi.hMemDC); 
		DeleteObject(pNode->Gdi.hDIBitmap); 
		if (pNode->Gdi.fDIBitmap) 
		{ 
			free(pNode->Gdi.pDIBitmap); 
			free(pNode->Gdi.pDIB); 
			free(pNode->Gdi.pDIBChangeStart); 
		} 
		free(pNode); 
	} 
}