display.h

本程序的主要功能描述了嵌入式系统中用于绘图的API函数

#ifndef __DISPLAY_H__
#define __DISPLAY_H__

#include "figure.h"

#define DIRECT_DISPLAY			0


#define FONTSIZE_SMALL		1
#define FONTSIZE_MIDDLE		2
#define FONTSIZE_BIG		3

#define FONT_TRANSPARENT	4	//透明背景
#define FONT_BLACKBK		8	//黑底白字

#define GRAPH_MODE_NORMAL		0x00	//普通绘图模式
#define GRAPH_MODE_OR			0x10	//绘图模式 或
#define GRAPH_MODE_AND		0x20	//绘图模式 与
#define GRAPH_MODE_XOR		0x30	//绘图模式 异或
#define GRAPH_MODE_NOR		0x40	//绘图模式 或非

#define COLOR_BLACK			0			//黑色前景色
#define COLOR_WHITE			0xffffffff	//白色前景色

//#define COLOR_BLACK			       0x0000000f			//黑色前景色
//#define COLOR_WHITE			0	//白色前景色

#define GRAPH_ARC_BACKWARD	0	//逆时针画圆
#define GRAPH_ARC_FORWARD		1	//顺时针画圆

#define GRAPH_3D_UP			0	//突起的3D矩形框
#define GRAPH_3D_DOWN			1	//凹陷的3D矩形框

//***********************************************/
#define TEXTOUT_MID_X			1
#define TEXTOUT_MID_Y			2

typedef struct tagBITMAPFILEHEADER {
	U32 bfSize;
	U32 bfReserved12;
	U32 bfOffBits;
} BITMAPFILEHEADER, *PBITMAPFILEHEADER;

typedef struct tagBITMAPINFOHEADER {
	U32 biSize;
	U32 biWidth;
	U32 biHeight;
	U16 biPlanes;
	U16 biBitCount;
	U32 biCompression;
	U32 biSizeImage;
	U32 biXPelsPerMeter;
	U32 biYPelsPerMeter;
	U32 biClrUsed;
	U32 biClrImportant;
} BITMAPINFOHEADER;

typedef U32 COLORREF;

//定义绘图设备结构
typedef struct{
	int DrawPointx;
	int DrawPointy; //绘图所使用的坐标点
	int PenWidth;	//画笔宽度
	U32 PenMode; //画笔模式
	COLORREF PenColor;	//画笔的颜色

	int DrawOrgx;	//绘图的坐标原点位置
	int DrawOrgy;

	int WndOrgx;	//绘图的窗口坐标位置
	int WndOrgy;

	int DrawRangex;	//绘图的区域范围
	int DrawRangey;

	structRECT DrawRect;//绘图的有效范围

	U8 bUpdataBuffer;	//是否更新后台缓冲区及显示
	U32 Fontcolor; //字符颜色
}DC,*PDC;

#define RGB(r,g,b)	(((r)<<16)|((g)<<8)|(b))


#if  DIRECT_DISPLAY==0

#define SetPixel(pdc, x, y, color)	  Buffer_SetPixel(pdc, x, y, color) 
#define ClearScreen()                        Buffer_ClearScreen()
#define MoveTo( pdc,  x,  y)              Buffer_MoveTo( pdc, x,  y)
#define LineTo( pdc,x,  y)                  Buffer_LineTo( pdc,x,  y)
#define DrawSBresenham_Line( pdc,  x1,  y1, x2,  y2)                  Buffer_DrawSBresenham_Line( pdc,  x1,  y1, x2,  y2)

#define  FillRect(pdc, left,top , right,  bottom,DrawMode, color)   Buffer_FillRect(pdc, left,top , right,  bottom,DrawMode, color)
#define  FillRect2( pdc, rect,DrawMode,color)                                Buffer_FillRect2( pdc, rect,DrawMode,color)
#define  Circle( pdc,x0,y0, r)                                                           Buffer_Circle( pdc,x0,y0, r)
#define  CharactorOut( pdc, x, y, ch, bunicode,  fnt)                      Buffer_CharactorOut( pdc, x, y, ch, bunicode,  fnt)
#define  CharactorOutRect( pdc, x, y, prect, ch, bunicode,  fnt)     Buffer_CharactorOutRect( pdc, x, y, prect, ch, bunicode,  fnt)
#define  TextOut(pdc, x,  y,  ch,  bunicode,  fnt)                             Buffer_TextOut(pdc, x,  y,  ch,  bunicode,  fnt)
#define  DrawRectFrame( pdc, left, top , right,  bottom)                Buffer_DrawRectFrame( pdc, left, top , right,  bottom)
#define  DrawRectFrame2(pdc, rect)                                              Buffer_DrawRectFrame2(pdc, rect)
#define  Draw3DRect( pdc, left, top, right,bottom,color1,color2)                Buffer_Draw3DRect( pdc, left, top, right,bottom,color1,color2)
#define  ArcTo1(pdc,  x1, y1, R)                                                      Buffer_ArcTo1(pdc,  x1, y1, R)
#define  ArcTo2(pdc,  x1, y1, R)                                                      Buffer_ArcTo2(pdc,  x1, y1, R)
#define  ArcTo(pdc, x1,  y1,  arctype,  R)                                        Buffer_ArcTo(pdc, x1,  y1,  arctype,  R)         

#define  ShowBmp( pdc,  filename, x,  y)                                        Buffer_ShowBmp( pdc,  filename, x,  y)

#endif /*#if  DIRECT_DISPLAY==0*/

/**********************与设备相关的绘图函数**********************/
void Buffer_SetPixel(PDC pdc, int x, int y, COLORREF color);
void Buffer_ClearScreen(void);
void Buffer_MoveTo(PDC pdc, int x, int y);
void Buffer_LineTo(PDC pdc, int x, int y);
void Buffer_DrawSBresenham_Line(PDC pdc, int x1, int y1,int x2, int y2);
void Buffer_FillRect(PDC pdc, int left,int top ,int right, int bottom,U32 DrawMode, U32 color);
void Buffer_FillRect2(PDC pdc, structRECT *rect,U32 DrawMode, U32 color);
void Buffer_Circle(PDC pdc, int x0, int y0, int r);
void Buffer_CharactorOut(PDC pdc, int* x, int* y, U16 ch, U8 bunicode, U8 fnt); //显示单个字符
void Buffer_CharactorOutRect(PDC pdc, int* x, int* y, structRECT* prect ,U16 ch, U8 bunicode, U8 fnt); //在指定矩形的范围内显示单个字符
void Buffer_TextOut(PDC pdc,int x, int y, U16 *ch, U8 bunicode, U8 fnt);		//显示文字
void Buffer_DrawRectFrame(PDC pdc, int left,int top ,int right, int bottom);
void Buffer_DrawRectFrame2(PDC pdc, structRECT *rect);
void Buffer_Draw3DRect(PDC pdc, int left,int top, int right, int botton, COLORREF color1, COLORREF color2);
void Buffer_ArcTo1(PDC pdc, int x1, int y1, int R);
void Buffer_ArcTo2(PDC pdc, int x1, int y1, int R);
void Buffer_ArcTo(PDC pdc, int x1, int y1, U8 arctype, int R);
void Buffer_ShowBmp(PDC pdc, char filename[], int x, int y);
/*******************************************************************************/


void initOSDC(void);
PDC CreateDC(void);
void DestoryDC(PDC pdc);

void SetPixelOR(PDC pdc,int x, int y, COLORREF color);
void SetPixelAND(PDC pdc,int x, int y, COLORREF color);
void SetPixelXOR(PDC pdc, int x, int y, COLORREF color);


int GetFontHeight(U8 fnt);
void TextOutRect(PDC pdc, structRECT* prect, U16* ch, U8 bunicode, U8 fnt, U32 outMode);	//在指定矩形的范围内显示文字

U8 SetPenWidth(PDC pdc, U8 width);
U32 SetPenMode(PDC pdc, U32 mode);

int Getdelta1(int x0,int y0, int R);
int Getdelta2(int x0,int y0, int R);

U8 SetLCDUpdata(PDC pdc, U8 isUpdata);
void Draw3DRect2(PDC pdc, structRECT *rect, COLORREF color1, COLORREF color2);
U8 GetPenWidth(PDC pdc);
U32 GetPenMode(PDC pdc);
U32 SetPenColor(PDC pdc, U32 color);
U32 GetPenColor(PDC pdc);
void GetBmpSize(char filename[], int* Width, int *Height);
void SetDrawOrg(PDC pdc, int x,int y, int* oldx, int *oldy);//设置绘图的原点
void SetDrawRange(PDC pdc, int x,int y, int* oldx, int *oldy);//设置绘图的范围

////////////////////有延时绘图/////////////////
void LineToDelay(PDC pdc, int x, int y, int ticks);
void ArcToDelay(PDC pdc, int x1, int y1, U8 arctype, int R, int ticks);


#endif