interesting
/
libui
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Added some guides for making sure text measurements are correct.

This commit is contained in:
Pietro Gagliardi 2016-01-13 04:02:30 -05:00
parent d6079f8c50
commit 6202863faa
1 changed files with 54 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

54
test/page9.c
View File

@ -27,6 +27,58 @@ static double entryDouble(uiEntry *e)
return d;
}
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);
}
static void handlerDraw(uiAreaHandler *a, uiArea *area, uiAreaDrawParams *dp)
{
uiDrawTextFontDescriptor desc;
@ -50,6 +102,8 @@ static void handlerDraw(uiAreaHandler *a, uiArea *area, uiAreaDrawParams *dp)
uiFreeText(family);
uiDrawTextFontGetMetrics(font, &metrics);
drawGuides(dp->Context, &metrics);
s = uiEntryText(textString);
layout = uiDrawNewTextLayout(s, font);
uiFreeText(s);