/* examples/canvas/drawstring.c */

#include <helium.h>

He_node *princ, *canvas;
int rouge;

void init_couleurs ()
{
    rouge = HeAllocRgb (255, 0, 0, he_black);
}

void dessin_ligne (Window win, int x1, int y1, int x2, int y2, int c)
{
    XSetForeground (he_display, he_gc, c);
    XDrawLine (he_display, win, he_gc, x1, y1, x2, y2);
}

void dessin_string (Window win, int x, int y, int pos, char *ligne)
{
    dessin_ligne (win, x-20,y,x+20,y, rouge);
    dessin_ligne (win, x,y-20,x,y+20, rouge);
    XSetForeground (he_display, he_gc, he_black);
    HeDrawStringPos (win, he_gc, he_normal_font,
        x, y, pos, ligne);
}

void canvas_repaint (He_node *hn, Window win)
{
    dessin_string (win, 50,   50, HE_TOP_LEFT,      "TopLeft");
    dessin_string (win, 300,  50, HE_TOP_MIDDLE,    "TopMiddle");
    dessin_string (win, 550,  50, HE_TOP_RIGHT,     "TopRight");
    dessin_string (win, 50,  150, HE_BASE_LEFT,     "BaseLeft");
    dessin_string (win, 300, 150, HE_BASE_MIDDLE,   "BaseMiddle");
    dessin_string (win, 550, 150, HE_BASE_RIGHT,    "BaseRight");
    dessin_string (win, 50,  250, HE_BOTTOM_LEFT,   "BottomLeft");
    dessin_string (win, 300, 250, HE_BOTTOM_MIDDLE, "BottomMiddle");
    dessin_string (win, 550, 250, HE_BOTTOM_RIGHT,  "BottomRight");
}

int main (int argc, char *argv[])
{
    HeInit (&argc, &argv);

    princ = HeCreateFrame();
    HeSetFrameLabel (princ, "HeDrawStringPos");

    canvas = HeCreateCanvas (princ);
    HeSetCanvasRepaintProc (canvas, canvas_repaint);
    init_couleurs ();

    HeSetWidth (canvas, 600); HeSetHeight (canvas, 300);
    HeFit (princ);

    return HeMainLoop (princ);
}