/*******************************************************************************
* Function Name : TP_DrawPoint
* Description :
* Input : - Xpos: Row Coordinate
* - Ypos: Line Coordinate
* Output : None
* Return : None
* Attention : None
*******************************************************************************/
void TP_DrawPoint(uint16_t Xpos,uint16_t Ypos)
{
LCD_SetPoint(Xpos,Ypos,Blue); /* Center point */
LCD_SetPoint(Xpos+1,Ypos,Blue);
LCD_SetPoint(Xpos,Ypos+1,Blue);
LCD_SetPoint(Xpos+1,Ypos+1,Blue);
}
/*******************************************************************************
* Function Name : TP_DrawPoint
* Description : 在指定座标画点
* Input : - Xpos: Row Coordinate
* - Ypos: Line Coordinate
* Output : None
* Return : None
* Attention : None
*******************************************************************************/
void TP_DrawPoint(uint16_t Xpos,uint16_t Ypos)
{
LCD_SetPoint(Xpos,Ypos,0xf800); /* 中心点 */
LCD_SetPoint(Xpos+1,Ypos,0xf800);
LCD_SetPoint(Xpos,Ypos+1,0xf800);
LCD_SetPoint(Xpos+1,Ypos+1,0xf800);
}
//LCD画圆
void LCD_Circle(u16 Xpos, u16 Ypos, u16 Radius, u16 color)
{
s32 Dec;
u32 CurX;
u32 CurY;
CurX=0;
CurY=Radius;
Dec=3-(Radius<<1);
while(CurX<=CurY)
{
LCD_SetPoint(Xpos+CurX,Ypos+CurY,color);
LCD_SetPoint(Xpos+CurX,Ypos-CurY,color);
LCD_SetPoint(Xpos-CurX,Ypos+CurY,color);
LCD_SetPoint(Xpos-CurX,Ypos-CurY,color);
LCD_SetPoint(Xpos+CurY,Ypos+CurX,color);
LCD_SetPoint(Xpos+CurY,Ypos-CurX,color);
LCD_SetPoint(Xpos-CurY,Ypos+CurX,color);
LCD_SetPoint(Xpos-CurY,Ypos-CurX,color);
if(Dec<0)Dec+=(CurX<<2)+6;
else
{
Dec+=((CurX-CurY)<<2)+10;
CurY--;
}
CurX++;
}
}
//LCD画任意斜线
void LCD_Line(u16 x1, u16 y1, u16 x2, u16 y2, u16 color)
{
u16 t;
int xerr=0,yerr=0,delta_x,delta_y,distance;
int incx,incy,uRow,uCol;
delta_x=x2-x1; //计算坐标增量
delta_y=y2-y1;
uRow=x1;
uCol=y1;
if(delta_x>0)incx=1; //设置单步方向
else if(delta_x==0)incx=0;//垂直线
else {incx=-1;delta_x=-delta_x;}
if(delta_y>0)incy=1;
else if(delta_y==0)incy=0;//水平线
else{incy=-1;delta_y=-delta_y;}
if( delta_x>delta_y)distance=delta_x; //选取基本增量坐标轴
else distance=delta_y;
for(t=0;t<=distance+1;t++ )//画线输出
{
LCD_SetPoint(uRow,uCol,color);//画点
xerr+=delta_x ;
yerr+=delta_y ;
if(xerr>distance)
{
xerr-=distance;
uRow+=incx;
}
if(yerr>distance)
{
yerr-=distance;
uCol+=incy;
}
}
}
void LCD_DrawVLine(u16 x,u16 y,u16 L,u8 color)//画垂直线，指定起点，长度，颜色
{
u16 i;
for(i=0;i<L;i++)
{
LCD_SetPoint(x,y+i,color);
}
}
void LCD_DrawHLine(u16 x,u16 y,u16 L,u8 color)//画水平线，指定起点，长度，颜色
{
u16 i;
for(i=0;i<L;i++)
{
LCD_SetPoint(x+i,y,color);
}
}
void Clear(u8 color)//逐点刷屏
{
u16 i,j;
for(i=0;i<400;i++)
{
for(j=0;j<240;j++)
{
LCD_SetPoint(j,i,color);
}
}
}
void LCD_Line(u16 x0, u16 y0, u16 x1, u16 y1,u16 color)
{
s32 dx = x1 - x0, dy = y1 - y0;
s32 sx = 1, sy = 1;
if(dx<0)
sx = -1;
if(dy<0)
sy = -1;
LCD_SetPoint(x0, y0, color);
if(dx*sx>dy*sy) {
s32 x = x0;
if(dy==0) {
while (x!=x1) {
x += sx;
LCD_SetPoint(x, y0, color);
}
} else {
while (x!=x1) {
x += sx;
LCD_SetPoint(x, y0+dy*(x-(s32)x0)/dx, color);
}
}
} else {
s32 y = y0;
if(dx==0) {
while (y!=y1) {
y += sy;
LCD_SetPoint(x0, y, color);
}
} else {
while (y!=y1) {
y += sy;
LCD_SetPoint(x0+dx*(y-(s32)y0)/dy, y, color);
}
}
}
}
void drawMap(void)
{
u8 i=0;
LCD_Color_Fill(40,40,280,125, Black);
LCD_DrawLine(40,120,280,120,Blue2);
LCD_DrawLine(100,40,100,125,Blue);
LCD_DrawLine(160,40,160,125,Blue);
LCD_DrawLine(220,40,220,125,Blue);
LCD_DrawLine(40+cursor,40,40+cursor,125,Cyan);
for(i=0; i<240; i++)
LCD_SetPoint(i+40, 120-data[i]/50,Red);
}
void LCD_Circle(u16 cx,u16 cy,u16 r,u16 color,u8 fill)
{
u16 x,y;
s16 delta,tmp;
x=0;
y=r;
delta=3-(r<<1);
while(y>x)
{
if(fill)
{
LCD_Line(cx+x,cy+y,cx-x,cy+y,color);
LCD_Line(cx+x,cy-y,cx-x,cy-y,color);
LCD_Line(cx+y,cy+x,cx-y,cy+x,color);
LCD_Line(cx+y,cy-x,cx-y,cy-x,color);
}
else
{
LCD_SetPoint(cx+x,cy+y,color);
LCD_SetPoint(cx-x,cy+y,color);
LCD_SetPoint(cx+x,cy-y,color);
LCD_SetPoint(cx-x,cy-y,color);
LCD_SetPoint(cx+y,cy+x,color);
LCD_SetPoint(cx-y,cy+x,color);
LCD_SetPoint(cx+y,cy-x,color);
LCD_SetPoint(cx-y,cy-x,color);
}
x++;
if(delta>=0)
{
y--;
tmp=(x<<2);
tmp-=(y<<2);
delta+=(tmp+10);
}
else
{
delta+=((x<<2)+6);
}
}
}
void LCD_Draw_Line(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2,
uint16_t color) {
uint16_t x, y, dx, dy;
if (y1 == y2) {
if (x1 <= x2)
x = x1;
else {
x = x2;
x2 = x1;
}
while (x <= x2) {
LCD_SetPoint(x, y1, color);
x++;
}
return;
}
else if (y1 > y2)
dy = y1 - y2;
else
dy = y2 - y1;
if (x1 == x2) {
if (y1 <= y2)
y = y1;
else {
y = y2;
y2 = y1;
}
while (y <= y2) {
LCD_SetPoint(x1, y, color);
y++;
}
return;
}
else if (x1 > x2) {
dx = x1 - x2;
x = x2;
x2 = x1;
y = y2;
y2 = y1;
} else {
dx = x2 - x1;
x = x1;
y = y1;
}
if (dx == dy) {
while (x <= x2) {
x++;
if (y > y2)
y--;
else
y++;
LCD_SetPoint(x, y, color);
}
} else {
LCD_SetPoint(x, y, color);
if (y < y2) {
if (dx > dy) {
int16_t p = dy * 2 - dx;
int16_t twoDy = 2 * dy;
int16_t twoDyMinusDx = 2 * (dy - dx);
while (x < x2) {
x++;
if (p < 0)
p += twoDy;
else {
y++;
p += twoDyMinusDx;
}
LCD_SetPoint(x, y, color);
}
} else {
int16_t p = dx * 2 - dy;
int16_t twoDx = 2 * dx;
int16_t twoDxMinusDy = 2 * (dx - dy);
while (y < y2) {
y++;
if (p < 0)
p += twoDx;
else {
x++;
p += twoDxMinusDy;
}
LCD_SetPoint(x, y, color);
}
}
} else {
if (dx > dy) {
int16_t p = dy * 2 - dx;
int16_t twoDy = 2 * dy;
int16_t twoDyMinusDx = 2 * (dy - dx);
while (x < x2) {
x++;
if (p < 0)
p += twoDy;
else {
y--;
p += twoDyMinusDx;
}
LCD_SetPoint(x, y, color);
}
} else {
int16_t p = dx * 2 - dy;
int16_t twoDx = 2 * dx;
int16_t twoDxMinusDy = 2 * (dx - dy);
while (y2 < y) {
y--;
if (p < 0)
p += twoDx;
else {
x++;
p += twoDxMinusDy;
}
LCD_SetPoint(x, y, color);
}
}
}
}
}
