#include "stm32f4xx.h"
#include "Lcd_Driver.h"
#include "GUI.h"
#include "delay.h"
#include "font.h"
//从ILI93xx读出的数据为GBR格式，而我们写入的时候为RGB格式。
//通过该函数转换
//c:GBR格式的颜色值
//返回值：RGB格式的颜色值
u16 LCD_BGR2RGB(u16 c)
{
u16 r,g,b,rgb;
b=(c>>0)&0x1f;
g=(c>>5)&0x3f;
r=(c>>11)&0x1f;
rgb=(b<<11)+(g<<5)+(r<<0);
return(rgb);
}
void Gui_Circle(u16 X,u16 Y,u16 R,u16 fc)
{//Bresenham算法
unsigned short a,b;
int c;
a=0;
b=R;
c=3-2*R;
while (a<b)
{
Gui_DrawPoint(X+a,Y+b,fc); // 7
Gui_DrawPoint(X-a,Y+b,fc); // 6
Gui_DrawPoint(X+a,Y-b,fc); // 2
Gui_DrawPoint(X-a,Y-b,fc); // 3
Gui_DrawPoint(X+b,Y+a,fc); // 8
Gui_DrawPoint(X-b,Y+a,fc); // 5
Gui_DrawPoint(X+b,Y-a,fc); // 1
Gui_DrawPoint(X-b,Y-a,fc); // 4
if(c<0) c=c+4*a+6;
else
{
c=c+4*(a-b)+10;
b-=1;
}
a+=1;
}
if (a==b)
{
Gui_DrawPoint(X+a,Y+b,fc);
Gui_DrawPoint(X+a,Y+b,fc);
Gui_DrawPoint(X+a,Y-b,fc);
Gui_DrawPoint(X-a,Y-b,fc);
Gui_DrawPoint(X+b,Y+a,fc);
Gui_DrawPoint(X-b,Y+a,fc);
Gui_DrawPoint(X+b,Y-a,fc);
Gui_DrawPoint(X-b,Y-a,fc);
}
}
//画线函数，使用Bresenham 画线算法
void Gui_DrawLine(u16 x0, u16 y0,u16 x1, u16 y1,u16 Color)
{
int dx, // difference in x's
dy, // difference in y's
dx2, // dx,dy * 2
dy2,
x_inc, // amount in pixel space to move during drawing
y_inc, // amount in pixel space to move during drawing
error, // the discriminant i.e. error i.e. decision variable
index; // used for looping
Lcd_SetXY(x0,y0);
dx = x1-x0;//计算x距离
dy = y1-y0;//计算y距离
if (dx>=0)
{
x_inc = 1;
}
else
{
x_inc = -1;
dx = -dx;
}
if (dy>=0)
{
y_inc = 1;
}
else
{
y_inc = -1;
dy = -dy;
}
dx2 = dx << 1;
dy2 = dy << 1;
if (dx > dy)//x距离大于y距离，那么每个x轴上只有一个点，每个y轴上有若干个点
{//且线的点数等于x距离，以x轴递增画点
// initialize error term
error = dy2 - dx;
// draw the line
for (index=0; index <= dx; index++)//要画的点数不会超过x距离
{
//画点
Gui_DrawPoint(x0,y0,Color);
// test if error has overflowed
if (error >= 0) //是否需要增加y坐标值
{
error-=dx2;
// move to next line
y0+=y_inc;//增加y坐标值
} // end if error overflowed
// adjust the error term
error+=dy2;
// move to the next pixel
x0+=x_inc;//x坐标值每次画点后都递增1
} // end for
} // end if |slope| <= 1
else//y轴大于x轴，则每个y轴上只有一个点，x轴若干个点
{//以y轴为递增画点
// initialize error term
error = dx2 - dy;
// draw the line
for (index=0; index <= dy; index++)
{
// set the pixel
Gui_DrawPoint(x0,y0,Color);
// test if error overflowed
if (error >= 0)
{
error-=dy2;
// move to next line
x0+=x_inc;
} // end if error overflowed
// adjust the error term
error+=dx2;
// move to the next pixel
y0+=y_inc;
} // end for
} // end else |slope| > 1
}
void Gui_box(u16 x, u16 y, u16 w, u16 h,u16 bc)
{
Gui_DrawLine(x,y,x+w,y,0xEF7D);
Gui_DrawLine(x+w-1,y+1,x+w-1,y+1+h,0x2965);
Gui_DrawLine(x,y+h,x+w,y+h,0x2965);
Gui_DrawLine(x,y,x,y+h,0xEF7D);
Gui_DrawLine(x+1,y+1,x+1+w-2,y+1+h-2,bc);
}
void Gui_box2(u16 x,u16 y,u16 w,u16 h, u8 mode)
{
if (mode==0) {
Gui_DrawLine(x,y,x+w,y,0xEF7D);
Gui_DrawLine(x+w-1,y+1,x+w-1,y+1+h,0x2965);
Gui_DrawLine(x,y+h,x+w,y+h,0x2965);
Gui_DrawLine(x,y,x,y+h,0xEF7D);
}
if (mode==1) {
Gui_DrawLine(x,y,x+w,y,0x2965);
Gui_DrawLine(x+w-1,y+1,x+w-1,y+1+h,0xEF7D);
Gui_DrawLine(x,y+h,x+w,y+h,0xEF7D);
Gui_DrawLine(x,y,x,y+h,0x2965);
}
if (mode==2) {
Gui_DrawLine(x,y,x+w,y,0xffff);
Gui_DrawLine(x+w-1,y+1,x+w-1,y+1+h,0xffff);
Gui_DrawLine(x,y+h,x+w,y+h,0xffff);
Gui_DrawLine(x,y,x,y+h,0xffff);
}
}
/**************************************************************************************
功能描述: 在屏幕显示一凸起的按钮框
输 入: u16 x1,y1,x2,y2 按钮框左上角和右下角坐标
输 出: 无
**************************************************************************************/
void DisplayButtonDown(u16 x1,u16 y1,u16 x2,u16 y2)
{
Gui_DrawLine(x1, y1, x2,y1, GRAY2); //H
Gui_DrawLine(x1+1,y1+1,x2,y1+1, GRAY1); //H
Gui_DrawLine(x1, y1, x1,y2, GRAY2); //V
Gui_DrawLine(x1+1,y1+1,x1+1,y2, GRAY1); //V
Gui_DrawLine(x1, y2, x2,y2, WHITE); //H
Gui_DrawLine(x2, y1, x2,y2, WHITE); //V
}
/**************************************************************************************
功能描述: 在屏幕显示一凹下的按钮框
输 入: u16 x1,y1,x2,y2 按钮框左上角和右下角坐标
输 出: 无
**************************************************************************************/
void DisplayButtonUp(u16 x1,u16 y1,u16 x2,u16 y2)
{
Gui_DrawLine(x1, y1, x2,y1, WHITE); //H
Gui_DrawLine(x1, y1, x1,y2, WHITE); //V
Gui_DrawLine(x1+1,y2-1,x2,y2-1, GRAY1); //H
Gui_DrawLine(x1, y2, x2,y2, GRAY2); //H
Gui_DrawLine(x2-1,y1+1,x2-1,y2, GRAY1); //V
Gui_DrawLine(x2 ,y1 ,x2,y2, GRAY2); //V
}
void Gui_DrawFont_GBK16(u16 x, u16 y, u16 fc, u16 bc, u8 *s)
{
unsigned char i,j;
unsigned short k,x0;
x0=x;
while(*s)
{
if((*s) < 128)
{
k=*s;
if (k==13)
{
x=x0;
y+=16;
}
else
{
if (k>32) k-=32; else k=0;
for(i=0;i<16;i++)
for(j=0;j<8;j++)
{
if(asc16[k*16+i]&(0x80>>j)) Gui_DrawPoint(x+j,y+i,fc);
else
{
if (fc!=bc) Gui_DrawPoint(x+j,y+i,bc);
}
}
x+=8;
}
s++;
}
else
{
for (k=0;k<hz16_num;k++)
{
if ((hz16[k].Index[0]==*(s))&&(hz16[k].Index[1]==*(s+1)))
{
for(i=0;i<16;i++)
{
for(j=0;j<8;j++)
{
if(hz16[k].Msk[i*2]&(0x80>>j)) Gui_DrawPoint(x+j,y+i,fc);
else {
if (fc!=bc) Gui_DrawPoint(x+j,y+i,bc);
}
}
for(j=0;j<8;j++)
{
if(hz16[k].Msk[i*2+1]&(0x80>>j)) Gui_DrawPoint(x+j+8,y+i,fc);
else
{
if (fc!=bc) Gui_DrawPoint(x+j+8,y+i,bc);
}
}
}
}
}
s+=2;x+=16;
}
}
}
void Gui_DrawFont_GBK24(u16 x, u16 y, u16 fc, u16 bc, u8 *s)
{
unsigned char i,j;
unsigned short k;
while(*s)
{
if( *s < 0x80 )
{
k=*s;
if (k>32) k-=32; else k=0;
for(i=0;i<16;i++)
for(j=0;j<8;j++)
{
if(asc16[k*16+i]&(0x80>>j))
Gui_DrawPoint(x+j,y+i,fc);
else
{
if (fc!=bc) Gui_DrawPoint(x+j,y+i,bc);
}
}
s++;x+=8;
}
else
{
for (k=0;k<hz24_num;k++)
{
if ((hz24[k].Index[0]==*(s))&&(hz24[k].Index[1]==*(s+1)))
{
for(i=0;i<24;i++)
{
for(j=0;j<8;j++)
{
if(hz24[k].Msk[i*3]&(0x80>>j))
Gui_DrawPoint(x+j,y+i,fc);
else
{
if (fc!=bc) Gui_DrawPoint(x+j,y+i,bc);
}
}
for(j=0;j<8;j++)
{
if(hz24[k].Msk[i*3+1]&(0x80>>j)) Gui_DrawPoint(x+j+8,y+i,fc);
else {
if (fc!=bc) Gui_DrawPoint(x+j+8,y+i,bc);
}
}
for(j=0;j<8;j++)
{
if(hz24[k].Msk[i*3+2]&(0x80>>j))
Gui_DrawPoint(x+j+16,y+i,fc);
else
{
if (fc!=bc) Gui_DrawPoint(x+j+16,y+i,bc);
}
}
}
}
}
s+=2;x+=24;
}
}
}
void Gui_DrawFont_Num32(u16 x, u16 y, u16 fc, u16 bc, u16 num)
{
unsigned char i,j,k,c;
//lcd_text_any(x+94+i*42,y+34,32,32,0x7E8,0x0,sz32,knum[i]);
// w=w/8;
for(i=0;i<32;i++)
{
for(j=0;j<4;j++)
{
c=*(sz32+num*32*4+i*4+j);
for (k=0;k<8;k++)
{
if(c&(0x80>>k)) Gui_DrawPoint(x+j*8+k,y+i,fc);
else {
if (fc!=bc) Gui_DrawPoint(x+j*8+k,y+i,bc);
}
}
}
}
}
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