void TFT_DrawCircle( u16 CoordiX, u16 CoordiY, u16 Radius, u32 Color )
{
int a,b;
int di;
a=0;
b=Radius;
di=3-(Radius<<1);
while(a<=b) {
TFT_DrawPoint(CoordiX-b, CoordiY-a, Color); //3
TFT_DrawPoint(CoordiX+b, CoordiY-a, Color); //0
TFT_DrawPoint(CoordiX-a, CoordiY+b, Color); //1
TFT_DrawPoint(CoordiX-b, CoordiY-a, Color); //7
TFT_DrawPoint(CoordiX-a, CoordiY-b, Color); //2
TFT_DrawPoint(CoordiX+b, CoordiY+a, Color); //4
TFT_DrawPoint(CoordiX+a, CoordiY-b, Color); //5
TFT_DrawPoint(CoordiX+a, CoordiY+b, Color); //6
TFT_DrawPoint(CoordiX-b, CoordiY+a, Color);
a++;
// ??Bresenham????
if(di<0)
di += 4*a+6;
else {
di+=10+4*(a-b);
b--;
}
TFT_DrawPoint(CoordiX+a, CoordiY+b, Color);
}
}
/*=====================================================================================================*/
void WaveFormPrint( WaveForm_Struct* WaveForm )
{
u16 i, j;
s16 TempY[WaveChannelMax] = {0};
s16 CoordiY[WaveChannelMax] = {0};
static u16 WavePic[WaveChannelMax][WaveFormW] = {0};
/* 更新顯示座標 */
for(i=0; i<WaveForm->Channel; i++) {
for(j=0; j<WaveFormW-1; j++)
WavePic[i][j] = WavePic[i][j+1];
TempY[i] = (s16)((double)WaveForm->Data[i]/WaveForm->Scale[i]+0.5);
CoordiY[i] = WaveFormL - TempY[i];
if(CoordiY[i]<0)
WavePic[i][WaveFormW-1] = 0;
else if(CoordiY[i]>WaveForm2L)
WavePic[i][WaveFormW-1] = WaveForm2L;
else
WavePic[i][WaveFormW-1] = CoordiY[i];
}
/* 畫邊框 */
TFT_DrawLineX(0, 0, WaveFormW, WaveForm->WindowColor );
TFT_DrawLineX(0, WaveForm2L, WaveFormW, WaveForm->WindowColor );
TFT_DrawLineY(0, 0, WaveForm2L, WaveForm->WindowColor );
TFT_DrawLineY(WaveFormW, 0, WaveForm2L, WaveForm->WindowColor );
/* 顯示 */
for(i=0; i<WaveFormW-1; i++) {
/* 清除上筆數據 */
for(j=0; j<WaveForm->Channel; j++) {
if(WavePic[j][i] == 0)
TFT_DrawPoint(WaveWindowX+i+1, WaveWindowY+WavePic[j][i], WaveForm->WindowColor);
else if(WavePic[j][i] == WaveForm2L)
TFT_DrawPoint(WaveWindowX+i+1, WaveWindowY+WavePic[j][i], WaveForm->WindowColor);
else
TFT_DrawPoint(WaveWindowX+i+1, WaveWindowY+WavePic[j][i], WaveForm->BackColor);
}
/* 畫輔助線 */
if((i%10) < 3) {
for(j=0; j<=WaveFormL; j+=(WaveFormL/10)) {
TFT_DrawPoint(WaveWindowX+i, WaveWindowY+WaveFormL+j, WaveForm->WindowColor);
TFT_DrawPoint(WaveWindowX+i, WaveWindowY+WaveFormL-j, WaveForm->WindowColor);
}
}
/* 畫中線 */
TFT_DrawPoint(WaveWindowX+i, WaveWindowY+WaveFormL, WaveForm->WindowColor);
/* 更新顯示新數據 */
for(j=0; j<WaveForm->Channel; j++) {
if(WavePic[j][i] == 0)
TFT_DrawPoint(WaveWindowX+i, WaveWindowY+WavePic[j][i], WaveForm->WindowColor);
else if(WavePic[j][i] == WaveForm2L)
TFT_DrawPoint(WaveWindowX+i, WaveWindowY+WavePic[j][i], WaveForm->WindowColor);
else
TFT_DrawPoint(WaveWindowX+i, WaveWindowY+WavePic[j][i], WaveForm->PointColor[j]);
}
}
}
void TFT_DrawRectangle( u16 CoordiX, u16 CoordiY, u16 Length, u16 Width, u32 Color )
{
u16 i;
for(i=0; i<=Length; i++) {
TFT_DrawPoint(CoordiX+i, CoordiY, Color);
TFT_DrawPoint(CoordiX+i, CoordiY+Width, Color);
}
for(i=1; i<Width; i++) {
TFT_DrawPoint(CoordiX, CoordiY+i, Color);
TFT_DrawPoint(CoordiX+Length, CoordiY+i, Color);
}
}
void TFT_PutChar1206( u16 CoordiX, u16 CoordiY, u8* ChWord, u32 FontColor, u32 BackColor )
{
u8 Tmp_Char = 0;
u16 i = 0, j = 0;
for(i=0; i<12; i++) {
Tmp_Char = ASCII_12x6[*ChWord-32][i];
for(j=0; j<6; j++) {
if((Tmp_Char>>j) & 0x01 == 0x01)
TFT_DrawPoint(CoordiX+j, CoordiY+i, FontColor); // ????
else
TFT_DrawPoint(CoordiX+j, CoordiY+i, BackColor); // ????
}
}
void TFT_Draw9Point( u16 CoordiX, u16 CoordiY, u32 Color )
{
TFT_DrawPoint(CoordiX,CoordiY,Color);
TFT_DrawPoint(CoordiX,CoordiY-1,Color);
TFT_DrawPoint(CoordiX,CoordiY+1,Color);
TFT_DrawPoint(CoordiX-1,CoordiY,Color);
TFT_DrawPoint(CoordiX+1,CoordiY,Color);
TFT_DrawPoint(CoordiX-1,CoordiY-1,Color);
TFT_DrawPoint(CoordiX-1,CoordiY+1,Color);
TFT_DrawPoint(CoordiX+1,CoordiY-1,Color);
TFT_DrawPoint(CoordiX+1,CoordiY+1,Color);
}
void TFT_DrawLineY( u16 CoordiX, u16 CoordiY, u16 Length, u32 Color )
{
u16 i;
for(i=0; i<Length; i++)
TFT_DrawPoint(CoordiX, CoordiY+i, Color);
}
void TFT_DrawRectangleFull( u16 CoordiX, u16 CoordiY, u16 Length, u16 Width, u32 Color )
{
u16 i, j;
for(i=0; i<Width; i++)
for(j=0; j<Length; j++)
TFT_DrawPoint(CoordiX+j, CoordiY+i, Color);
}
//画线
//x1,y1:起点坐标
//x2,y2:终点坐标
void TFT_DrawLine(u8 x1, u16 y1, u8 x2, u16 y2)
{
u16 x, y, t;
if((x1==x2)&&(y1==y2))TFT_DrawPoint(x1, y1);
else if(myabs(y2-y1)>myabs(x2-x1))//斜率大于1
{
if(y1>y2)
{
t=y1;
y1=y2;
y2=t;
t=x1;
x1=x2;
x2=t;
}
for(y=y1;y<y2;y++)//以y轴为基准
{
x=(u32)(y-y1)*(x2-x1)/(y2-y1)+x1;
TFT_DrawPoint(x, y);
}
}
else //斜率小于等于1
{
if(x1>x2)
{
t=y1;
y1=y2;
y2=t;
t=x1;
x1=x2;
x2=t;
}
for(x=x1;x<x2;x++)//以x轴为基准
{
y =(u32)(x-x1)*(y2-y1)/(x2-x1)+y1;
TFT_DrawPoint(x,y);
}
}
}
void TFT_DrawLine( u16 StartX, u16 StartY, u16 EndX, u16 EndY, u32 Color )
{
u16 i;
s16 DeltaX, DeltaY;
double Slope;
DeltaX = EndX - StartX;
DeltaY = EndY - StartY;
// ?? Slope
if(DeltaX == 0)
Slope = 0;
else
Slope = (double)DeltaY/(double)DeltaX;
if(DeltaX<0)DeltaX=-DeltaX;
if(DeltaY<0)DeltaY=-DeltaY;
if(EndX<StartX) {
if(Slope<0) {
if(DeltaX>DeltaY) {
for(i=0; i<=DeltaX; i++)
TFT_DrawPoint(EndX+i, EndY+(s16)(((double)i*Slope)-0.5), Color);
}
else {
for(i=0; i<=DeltaY; i++)
TFT_DrawPoint(EndX-(s16)(((double)i/Slope)-0.5), EndY-i, Color);
}
}
else {
if(DeltaX>DeltaY) {
for(i=0; i<=DeltaX; i++)
TFT_DrawPoint(EndX+i, EndY+(s16)(((double)i*Slope)+0.5), Color);
}
else {
for(i=0; i<=DeltaY; i++)
TFT_DrawPoint(EndX+(s16)(((double)i/Slope)+0.5), EndY+i, Color);
}
}
}
else if(EndX==StartX) {
if(EndY>StartY) {
for(i=0; i<=DeltaY; i++)
TFT_DrawPoint(StartX, StartY+i, Color);
}
else {
for(i=0; i<=DeltaY; i++)
TFT_DrawPoint(EndX, EndY+i, Color);
}
}
else {
if(Slope<0) {
if(DeltaX>DeltaY) {
for(i=0; i<=DeltaX; i++)
TFT_DrawPoint(StartX+i, StartY+(s16)(((double)i*Slope)-0.5), Color);
}
else {
for(i=0; i<=DeltaY; i++)
TFT_DrawPoint(StartX-(s16)(((double)i/Slope)-0.5), StartY-i, Color);
}
}
else {
if(DeltaX>DeltaY) {
for(i=0; i<=DeltaX; i++)
TFT_DrawPoint(StartX+i, StartY+(s16)(((double)i*Slope)+0.5), Color);
}
else {
for(i=0; i<=DeltaY; i++)
TFT_DrawPoint(StartX+(s16)(((double)i/Slope)+0.5), StartY+i, Color);
}
}
}
}
