// TODO this should be altered not to restore all state on exit so default text attributes can be checked
static void drawGuides(uiDrawContext *c, uiDrawTextFontMetrics *m)
{
uiDrawPath *p;
uiDrawBrush b;
uiDrawStrokeParams sp;
memset(&b, 0, sizeof (uiDrawBrush));
b.Type = uiDrawBrushTypeSolid;
memset(&sp, 0, sizeof (uiDrawStrokeParams));
sp.Cap = uiDrawLineCapFlat;
sp.Join = uiDrawLineJoinMiter;
sp.MiterLimit = uiDrawDefaultMiterLimit;
sp.Thickness = 2;
uiDrawSave(c);
p = uiDrawNewPath(uiDrawFillModeWinding);
uiDrawPathNewFigure(p, 8, 10);
uiDrawPathLineTo(p, 8, 10 + m->Ascent);
uiDrawPathEnd(p);
b.R = 0.94;
b.G = 0.5;
b.B = 0.5;
b.A = 1.0;
uiDrawStroke(c, p, &b, &sp);
uiDrawFreePath(p);
p = uiDrawNewPath(uiDrawFillModeWinding);
uiDrawPathNewFigure(p, 8, 10 + m->Ascent);
uiDrawPathLineTo(p, 8, 10 + m->Ascent + m->Descent);
uiDrawPathEnd(p);
b.R = 0.12;
b.G = 0.56;
b.B = 1.0;
b.A = 1.0;
uiDrawStroke(c, p, &b, &sp);
uiDrawFreePath(p);
p = uiDrawNewPath(uiDrawFillModeWinding);
uiDrawPathAddRectangle(p, 0, 0, 10, 10);
uiDrawPathEnd(p);
uiDrawClip(c, p);
b.R = 0.85;
b.G = 0.65;
b.B = 0.13;
b.A = 1.0;
uiDrawStroke(c, p, &b, &sp);
uiDrawFreePath(p);
uiDrawRestore(c);
}
// based on the cairo arc sample
static void handlerDraw(uiAreaHandler *a, uiArea *area, uiAreaDrawParams *p)
{
double xc = 128.0;
double yc = 128.0;
double radius = 100.0;
uiDrawBrush source;
uiDrawStrokeParams sp;
uiDrawPath *path;
char *startText;
char *sweepText;
double factor;
source.Type = uiDrawBrushTypeSolid;
source.R = 0;
source.G = 0;
source.B = 0;
source.A = 1;
sp.Cap = uiDrawLineCapFlat;
sp.Join = uiDrawLineJoinMiter;
sp.MiterLimit = uiDrawDefaultMiterLimit;
sp.Dashes = NULL;
sp.NumDashes = 0;
sp.DashPhase = 0;
startText = uiEntryText(startAngle);
sweepText = uiEntryText(sweep);
factor = M_PI / 180;
if (uiCheckboxChecked(radians))
factor = 1;
sp.Thickness = 10.0;
path = uiDrawNewPath(uiDrawFillModeWinding);
uiDrawPathNewFigure(path, xc, yc);
uiDrawPathArcTo(path,
xc, yc,
radius,
atof(startText) * factor,
atof(sweepText) * factor,
uiCheckboxChecked(negative));
uiDrawPathEnd(path);
uiDrawStroke(p->Context, path, &source, &sp);
uiDrawFreePath(path);
uiFreeText(startText);
uiFreeText(sweepText);
}
static void drawGuides(uiDrawContext *c, uiDrawTextFontMetrics *m)
{
uiDrawPath *p;
uiDrawBrush b;
uiDrawStrokeParams sp;
double leading;
double y;
leading = 0;
if (uiCheckboxChecked(addLeading))
leading = m->Leading;
memset(&b, 0, sizeof (uiDrawBrush));
b.Type = uiDrawBrushTypeSolid;
memset(&sp, 0, sizeof (uiDrawStrokeParams));
sp.Cap = uiDrawLineCapFlat;
sp.Join = uiDrawLineJoinMiter;
sp.MiterLimit = uiDrawDefaultMiterLimit;
sp.Thickness = 2;
uiDrawSave(c);
p = uiDrawNewPath(uiDrawFillModeWinding);
y = 10;
uiDrawPathNewFigure(p, 8, y);
y += m->Ascent;
uiDrawPathLineTo(p, 8, y);
uiDrawPathEnd(p);
b.R = 0.94;
b.G = 0.5;
b.B = 0.5;
b.A = 1.0;
uiDrawStroke(c, p, &b, &sp);
uiDrawFreePath(p);
p = uiDrawNewPath(uiDrawFillModeWinding);
uiDrawPathNewFigure(p, 8, y);
y += m->Descent;
uiDrawPathLineTo(p, 8, y);
uiDrawPathEnd(p);
b.R = 0.12;
b.G = 0.56;
b.B = 1.0;
b.A = 1.0;
uiDrawStroke(c, p, &b, &sp);
uiDrawFreePath(p);
// and again for the second line
p = uiDrawNewPath(uiDrawFillModeWinding);
y += leading;
uiDrawPathNewFigure(p, 8, y);
y += m->Ascent;
uiDrawPathLineTo(p, 8, y);
uiDrawPathEnd(p);
b.R = 0.94;
b.G = 0.5;
b.B = 0.5;
b.A = 0.75;
uiDrawStroke(c, p, &b, &sp);
uiDrawFreePath(p);
p = uiDrawNewPath(uiDrawFillModeWinding);
uiDrawPathNewFigure(p, 8, y);
y += m->Descent;
uiDrawPathLineTo(p, 8, y);
uiDrawPathEnd(p);
b.R = 0.12;
b.G = 0.56;
b.B = 1.0;
b.A = 0.75;
uiDrawStroke(c, p, &b, &sp);
uiDrawFreePath(p);
// and a box to text layout top-left corners
p = uiDrawNewPath(uiDrawFillModeWinding);
uiDrawPathAddRectangle(p, 0, 0, 10, 10);
uiDrawPathEnd(p);
uiDrawClip(c, p);
b.R = 0.85;
b.G = 0.65;
b.B = 0.13;
b.A = 1.0;
uiDrawStroke(c, p, &b, &sp);
uiDrawFreePath(p);
uiDrawRestore(c);
}
static void handlerDraw(uiAreaHandler *a, uiArea *area, uiAreaDrawParams *p)
{
uiDrawStrokeParams sp;
uiDrawBeginPathRGB(p->Context, 0xFF, 0x00, 0x00);
uiDrawMoveTo(p->Context, p->ClipX + 5, p->ClipY + 5);
uiDrawLineTo(p->Context, (p->ClipX + p->ClipWidth) - 5, (p->ClipY + p->ClipHeight) - 5);
sp.Cap = uiDrawLineCapFlat;
sp.Join = uiDrawLineJoinMiter;
sp.Thickness = 1;
sp.MiterLimit = uiDrawDefaultMiterLimit;
uiDrawStroke(p->Context, &sp);
uiDrawBeginPathRGB(p->Context, 0x00, 0x00, 0xC0);
uiDrawMoveTo(p->Context, p->ClipX, p->ClipY);
uiDrawLineTo(p->Context, p->ClipX + p->ClipWidth, p->ClipY);
uiDrawLineTo(p->Context, 50, 150);
uiDrawLineTo(p->Context, 50, 50);
uiDrawCloseFigure(p->Context);
sp.Cap = uiDrawLineCapFlat;
sp.Join = uiDrawLineJoinRound;
sp.Thickness = 5;
uiDrawStroke(p->Context, &sp);
uiDrawBeginPathRGBA(p->Context, 0x00, 0xC0, 0x00, 0x80);
uiDrawRectangle(p->Context, 120, 80, 50, 50);
uiDrawFill(p->Context, uiDrawFillModeWinding);
uiDrawBeginPathRGB(p->Context, 0x00, 0x80, 0x00);
uiDrawMoveTo(p->Context, 5, 10);
uiDrawLineTo(p->Context, 5, 50);
sp.Cap = uiDrawLineCapFlat;
sp.Join = uiDrawLineJoinMiter;
sp.Thickness = 1;
sp.MiterLimit = uiDrawDefaultMiterLimit;
uiDrawStroke(p->Context, &sp);
uiDrawBeginPathRGB(p->Context, 0x80, 0xC0, 0x00);
uiDrawMoveTo(p->Context, 400, 100);
uiDrawArcTo(p->Context,
400, 100,
50,
30. * (M_PI / 180.),
// note the end angle here
// in GDI, the second angle to AngleArc() is relative to the start, not to 0
330. * (M_PI / 180.),
1);
// TODO add a checkbox for this
uiDrawLineTo(p->Context, 400, 100);
uiDrawArcTo(p->Context,
510, 100,
50,
30. * (M_PI / 180.),
330. * (M_PI / 180.),
0);
uiDrawCloseFigure(p->Context);
sp.Cap = uiDrawLineCapFlat;
sp.Join = uiDrawLineJoinMiter;
sp.Thickness = 1;
sp.MiterLimit = uiDrawDefaultMiterLimit;
uiDrawStroke(p->Context, &sp);
uiDrawBeginPathRGB(p->Context, 0x00, 0x80, 0xC0);
uiDrawMoveTo(p->Context, 300, 300);
uiDrawBezierTo(p->Context,
350, 320,
310, 390,
435, 372);
sp.Cap = uiDrawLineCapFlat;
sp.Join = uiDrawLineJoinMiter;
sp.Thickness = 1;
sp.MiterLimit = uiDrawDefaultMiterLimit;
uiDrawStroke(p->Context, &sp);
}