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Yes it's help me Jorgen !
(Sorry
I'm busy these days I respond slowly)
For me what is strange the pixels are counted from top to bottom .
Drawiing rectangles that are consistent with values's area is not easy
--- In amibroker@xxxxxxxxxxxxxxx, "jorgen_wallgren" <jorgen.wallgren@xxx> wrote:
>
> First of all, you can't assign an array as a point for the Rectangle, so
> try y2 = LastValue(Courbemansfield);
>
> Zero is in upper left corner of the screen. When I first started with
> Gfx programming, I took 30 minutes and played around with GfxSetPixel(
> x, y, color ), GfxRectangle( x1, y1, x2, y2 ), GfxMoveTo( x, y ) ,
> GfxLineTo( x, y ) and the different Status pixel info I can get. It
> helped me to get a hang of what's going on.
>
> Then when you plot your Gfx creations, you need to know the height and
> width each items takes, and compare it to the area you use- so you know
> when you have to switch to the next line, or the other way around, if
> you want to have x symbols on one line, what's the max width?
>
> For example:
> x2 = Status("pxchartright");
> y2 = Status("pxchartbottom");
> PenColor = colorBlack;
> TxtColor = colorBlack;
> Width = x2 / 10;
> Hight = y2 / 10;
> StartX = 1;
> StartY = 1;
> PointSize = Width/7;
> Weight = 100;
> GfxSelectPen(PenColor, 2);
> GfxSetTextColor(TxtColor);
> GfxSelectFont("Arial", PointSize, Weight);
> GfxSetBkMode(1);
> for( i = 0; i < 10; i++ )
> {
> for(e=0; e < 10;e++)
> {
> GfxSelectSolidBrush(colorBrightGreen);
> GfxRoundRect( StartX + (i * Width), StartY + (e * Hight), Width * (i+1),
> Hight * (e+1), 15, 15 );
> PlotInformation = "Test " + NumToStr(e, 1.0, 0) + " , " + NumToStr(i,
> 1.0, 0) ;
> GfxDrawText(PlotInformation, StartX + (i * Width), 1 + StartY + (e *
> Hight), Width * (i+1), Hight * (e+1), 1);
> }
> }
>
> I hope that helps.
>
> Jorgen
>
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