#property strict
//— width and height of the canvas (used for drawing)
#define IMG_WIDTH 200
#define IMG_HEIGHT 200
//— display the parameter window before launching the script
#property script_show_inputs
//— enable to set color format
input ENUM_COLOR_FORMAT clr_format=COLOR_FORMAT_XRGB_NOALPHA;
//— drawing array (buffer)
uint ExtImg[IMG_WIDTH*IMG_HEIGHT];
//+——————————————————————+
//| Script program start function |
//+——————————————————————+
void OnStart()
{
//— create OBJ_BITMAP_LABEL object for drawing
ObjectCreate(0,“CLOCK”,OBJ_BITMAP_LABEL,0,0,0);
//— specify the name of the graphical resource for writing in CLOCK object
ObjectSetString(0,“CLOCK”,OBJPROP_BMPFILE,“::IMG”);
//— auxiliary variables
double a; // arrow corner
uint nm=2700; // minute corner
uint nh=2700*12; // hour counter
uint w,h; // variables for receiving text string sizes
int x,y; // variables for calculation of the current coordinates of text string anchor points
//— rotate clock hands in an infinite loop, till the script is stopped
while(!IsStopped())
{
//— clear the clock drawing buffer array
ArrayFill(ExtImg,0,IMG_WIDTH*IMG_HEIGHT,0);
//— set the font for drawing digits for the clock-face
TextSetFont(“Arial”,-200,FW_EXTRABOLD,0);
//— draw the clock-face
for(int i=1;i<=12;i++)
{
//— receive the size of the current hour on the clock-face
TextGetSize(string(i),w,h);
//— calculate the coordinates of the current hour on the clock-face
a=-((i*300)%3600*M_PI)/1800.0;
x=IMG_WIDTH/2-int(sin(a)*80+0.5+w/2);
y=IMG_HEIGHT/2-int(cos(a)*80+0.5+h/2);
//— output the hour on the clock-face to ExtImg[] buffer
TextOut(string(i),x,y,TA_LEFT|TA_TOP,ExtImg,IMG_WIDTH,IMG_HEIGHT,0xFFFFFFFF,clr_format);
}
//— now, specify the font for drawing the minute hand
TextSetFont(“Arial”,-200,FW_EXTRABOLD,-int(nm%3600));
//— receive the size of the minute hand
TextGetSize(“—–>”,w,h);
//— calculate the coordinates of the minute hand on the clock-face
a=-(nm%3600*M_PI)/1800.0;
x=IMG_WIDTH/2-int(sin(a)*h/2+0.5);
y=IMG_HEIGHT/2-int(cos(a)*h/2+0.5);
//— output of the minute hand to the clock-face in ExtImg[]buffer
TextOut(“—–>”,x,y,TA_LEFT|TA_TOP,ExtImg,IMG_WIDTH,IMG_HEIGHT,0xFFFFFFFF,clr_format);
//— now, set the font for drawing the minute hand
TextSetFont(“Arial”,-200,FW_EXTRABOLD,-int(nh/12%3600));
TextGetSize(“==>”,w,h);
//— calculate the coordinates of the hour hand on the clock-face
a=-(nh/12%3600*M_PI)/1800.0;
x=IMG_WIDTH/2-int(sin(a)*h/2+0.5);
y=IMG_HEIGHT/2-int(cos(a)*h/2+0.5);
//— output of the hour hand on the clock-face to ExtImg[] buffer
TextOut(“==>”,x,y,TA_LEFT|TA_TOP,ExtImg,IMG_WIDTH,IMG_HEIGHT,0xFFFFFFFF,clr_format);
//— update the graphical resource
ResourceCreate(“::IMG”,ExtImg,IMG_WIDTH,IMG_HEIGHT,0,0,IMG_WIDTH,clr_format);
//— forced chart update
ChartRedraw();
//— increase hour and minute counters
nm+=60;
nh+=60;
//— keeping a short pause between the frames
Sleep(10);
}
//— delete CLOCK object when completing the script’s operation
ObjectDelete(0,“CLOCK”);
//—
} |
