void line(const Point2D& p1, const Point2D& p2, Style style = NONE)
{
tex += QString("\n\\draw%1 (%2,%3) -- (%4,%5);")
.arg(style_tex(style))
.arg(p1.x)
.arg(p1.y)
.arg(p2.x)
.arg(p2.y);
svg += QString("\n\t<line %1 x1=\"%2\" y1=\"%3\" x2=\"%4\" y2=\"%5\"/>")
.arg(style_svg(style))
.arg(scalex(p1.x))
.arg(scaley(p1.y))
.arg(scalex(p2.x))
.arg(scaley(p2.y));
}
void arc(const Point2D& p, double radius, double angle0, double angle1, Style style = NONE)
{
tex += QString("\n\\draw%1 (%2,%3) arc (%4:%5:%6);")
.arg(style_tex(style))
.arg(p.x)
.arg(p.y)
.arg(180/pi*angle0)
.arg(180/pi*angle1)
.arg(radius);
Point2D p1 = p - Point2D::polar(radius, angle0) + Point2D::polar(radius, angle1);
svg += QString("\n\t<path fill=\"none\" %1 d=\"M%2 %3 A%4 %5 0 0 0 %6 %7\"/>")
.arg(style_svg(style))
.arg(scalex(p.x))
.arg(scaley(p.y))
.arg(scale(radius))
.arg(scale(radius))
.arg(scalex(p1.x))
.arg(scaley(p1.y));
}
void path(const Point2D& p1, const Point2D& p2, const Point2D& p3, Style style = NONE)
{
tex += QString("\n\\draw%1 (%2,%3) -- (%4,%5) -- (%6,%7);")
.arg(style_tex(style))
.arg(p1.x)
.arg(p1.y)
.arg(p2.x)
.arg(p2.y)
.arg(p3.x)
.arg(p3.y);
svg += QString("\n\t<path %1 d=\"M%2 %3 L%4 %5 L%6 %7\" fill=\"none\"/>")
.arg(style_svg(style))
.arg(scalex(p1.x))
.arg(scaley(p1.y))
.arg(scalex(p2.x))
.arg(scaley(p2.y))
.arg(scalex(p3.x))
.arg(scaley(p3.y));
}
void dot(const Point2D& p, Style style = NONE)
{
tex += QString("\n\\draw%1 (%2,%3) circle(0.07);")
.arg(style_tex(style | FILL))
.arg(p.x)
.arg(p.y);
svg += QString("\n\t<circle %1 cx=\"%2\" cy=\"%3\" r=\"3\"/>")
.arg(style_svg(style | FILL))
.arg(scalex(p.x))
.arg(scaley(p.y));
}
void doCircle(FILE *stream) {
float cx, cy, r;
int c;
cx = getFloat(stream);
cy = getFloat(stream);
r = getFloat(stream);
c = getColor(getNumber(stream));
gdImageArc(image, viewx(cx), viewy(cy),
scalex(r)*2, scaley(r)*2, 0, 360, c);
}
void doFilledEllipse(FILE *stream) {
float cx, cy, w, h;
int c;
cx = getFloat(stream);
cy = getFloat(stream);
w = getFloat(stream);
h = getFloat(stream);
c = getColor(getNumber(stream));
gdImageFilledEllipse(image, viewx(cx), viewy(cy),
scalex(w), scaley(h), c);
}
void math(const QString text, const Point2D& p, Style style = NONE)
{
tex += QString("\n\\node%1 at (%2,%3) {%4};")
.arg(style_tex(style))
.arg(p.x)
.arg(p.y)
.arg(text);
html += QString("\n\t<div %1 style=\"left:%2px;top:%3px;\">%4</div>")
.arg(style_math(style))
.arg(scalex(p.x, style))
.arg(scaley(p.y, style))
.arg(text);
}
void text(const QString text, const Point2D& p, Style style = NONE)
{
tex += QString("\n\\node%1 at (%2,%3) {%4};")
.arg(style_tex(style))
.arg(p.x)
.arg(p.y)
.arg(text);
svg += QString("\n\t<text %1 x=\"%2\" y=\"%3\">%4</text>")
.arg(style_svg(style | TEXT))
.arg(scalex(p.x, style))
.arg(scaley(p.y, style))
.arg(text);
}
void doArc(FILE *stream) {
float cx, cy, w, h;
int s, e, c;
cx = getFloat(stream); // center x
cy = getFloat(stream); // center y
w = getFloat(stream); // width
h = getFloat(stream); // height
s = getNumber(stream); // start angle
e = getNumber(stream); // end angle
c = getColor(getNumber(stream)); // color
gdImageArc(image, viewx(cx), viewy(cy),
scalex(w), scaley(h), s, e, c);
}
void doFilledArc(FILE *stream) {
float cx, cy, w, h, s;
int e, c, style;
cx = getFloat(stream); // center x
cy = getFloat(stream); // center y
w = getFloat(stream); // width
h = getFloat(stream); // height
s = getNumber(stream); // start angle
e = getNumber(stream); // end angle
c = getColor(getNumber(stream)); // color
style = getNumber(stream);
gdImageFilledArc(image, viewx(cx), viewy(cy),
scalex(w), scaley(h), s, e, c, style);
}
int tfont_render_glyph(int tx, int ty, char const *code)
{
if(code == NULL) {
return 0;
}
int advance = 0;
int x = 0;
int y = 0;
int px = 0;
int py = 0;
while(*code)
{
char c = sgetc(&code);
switch(c)
{
case 0:
case -1:
return scale(advance);
case 'a':
advance = sgetn(&code);
break;
case 'M':
x = sgetn(&code);
y = sgetn(&code);
break;
case 'm':
x += sgetn(&code);
y += sgetn(&code);
break;
case 'P':
x = sgetn(&code);
y = sgetn(&code);
line(
tx + scalex(px),
ty - scaley(py),
tx + scalex(x),
ty - scaley(y));
break;
case 'p':
x += sgetn(&code);
y += sgetn(&code);
line(
tx + scalex(px),
ty - scaley(py),
tx + scalex(x),
ty - scaley(y));
break;
case 'd':
dot(
tx + scalex(x),
ty - scaley(y));
break;
default:
#if TFONT_DEBUG
printf("Unknown command: %c(%d)?\n", c, c);
#endif
break;
}
px = x;
py = y;
}
return scalex(advance);
}
