.examples

git-svn-id: svn://ultimatepp.org/upp/trunk@14044 f0d560ea-af0d-0410-9eb7-867de7ffcac7

examples/TextToSvgPath/TextToSvgPath.h

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+#ifndef _TextToSvgPath_TextToSvgPath_h
+#define _TextToSvgPath_TextToSvgPath_h
+
+#include <CtrlLib/CtrlLib.h>
+#include <RichEdit/RichEdit.h>
+
+using namespace Upp;
+
+#define LAYOUTFILE <TextToSvgPath/TextToSvgPath.lay>
+#include <CtrlCore/lay.h>
+
+String TextToSvgPath(double x, double y, const char *text, Font fnt, bool singleline);
+
+struct Preview : Ctrl {
+	String svgpath;
+	
+	virtual void Paint(Draw& w);
+};
+
+struct TextToSvgPathDlg : public WithTextToSvgPathLayout<TopWindow> {
+	Preview preview;
+
+	void Render();
+	
+	TextToSvgPathDlg();
+};
+
+#endif

examples/TextToSvgPath/TextToSvgPath.lay

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+LAYOUT(TextToSvgPathLayout, 704, 588)
+	ITEM(Label, dv___0, SetLabel(t_("Text")).LeftPosZ(8, 33).TopPosZ(28, 19))
+	ITEM(EditString, text, LeftPosZ(44, 428).TopPosZ(28, 19))
+	ITEM(Label, dv___2, SetLabel(t_("Font")).LeftPosZ(8, 33).TopPosZ(4, 19))
+	ITEM(DropList, face, LeftPosZ(44, 188).TopPosZ(4, 19))
+	ITEM(Label, dv___4, SetLabel(t_("Height")).LeftPosZ(252, 39).TopPosZ(4, 19))
+	ITEM(WithDropChoice<EditInt>, height, LeftPosZ(292, 56).TopPosZ(4, 19))
+	ITEM(Option, bold, SetLabel(t_("Bold")).LeftPosZ(356, 52).TopPosZ(4, 18))
+	ITEM(Option, italic, SetLabel(t_("Italic")).LeftPosZ(408, 52).TopPosZ(4, 18))
+	ITEM(Option, underline, SetLabel(t_("Underline")).LeftPosZ(460, 72).TopPosZ(4, 18))
+	ITEM(Option, strikeout, SetLabel(t_("Strikeout")).LeftPosZ(532, 68).TopPosZ(4, 18))
+	ITEM(Option, nonaa, SetLabel(t_("NonAntiAliased")).LeftPosZ(600, 96).TopPosZ(4, 18))
+	ITEM(LineEdit, svgpath, LeftPosZ(8, 688).TopPosZ(52, 268))
+	UNTYPED(preview, LeftPosZ(8, 688).TopPosZ(324, 260))
+	ITEM(Button, copy, SetLabel(t_("Copy path to clipboard")).LeftPosZ(568, 128).TopPosZ(28, 20))
+	ITEM(Option, singleline, SetLabel(t_("Single line")).LeftPosZ(480, 80).TopPosZ(28, 20))
+END_LAYOUT
+

examples/TextToSvgPath/TextToSvgPath.upp

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+description "GUI application that converts text to SVG path\377";
+
+uses
+	CtrlLib,
+	RichEdit;
+
+file
+	TextToSvgPath.h,
+	ToSvg.cpp,
+	main.cpp,
+	TextToSvgPath.lay;
+
+mainconfig
+	"" = "GUI";
+

examples/TextToSvgPath/ToSvg.cpp

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+#include "TextToSvgPath.h"
+
+struct TextToSvg : FontGlyphConsumer {
+	String t;
+	
+	void Put(Pointf p);
+	
+	virtual void Move(Pointf p);
+	virtual void Line(Pointf p);
+	virtual void Quadratic(Pointf p1, Pointf p2);
+	virtual void Cubic(Pointf p1, Pointf p2, Pointf p3);
+	virtual void Close();
+};
+
+void TextToSvg::Put(Pointf p)
+{
+	t << Format("%.2f %.2f ", p.x, p.y);
+}
+
+void TextToSvg::Move(Pointf p)
+{
+	t << 'M';
+	Put(p);
+}
+
+void TextToSvg::Line(Pointf p)
+{
+	t << 'L';
+	Put(p);
+}
+
+void TextToSvg::Quadratic(Pointf p1, Pointf p)
+{
+	t << 'Q';
+	Put(p1);
+	Put(p);
+}
+
+void TextToSvg::Cubic(Pointf p1, Pointf p2, Pointf p)
+{
+	t << 'C';
+	Put(p1);
+	Put(p2);
+	Put(p);
+}
+
+void TextToSvg::Close()
+{
+	t << 'Z';
+}
+
+String TextToSvgPath(double x, double y, const char *text, Font fnt, bool singleline)
+{
+	WString ws = ToUnicode(text, CHARSET_DEFAULT);
+	TextToSvg t;
+	for(const wchar *s = ~ws; *s; s++) {
+		fnt.Render(t, x, y, *s);
+		x += fnt[*s];
+		if(!singleline)
+			t.t << "\n";
+	}
+	return t.t;
+}

examples/TextToSvgPath/main.cpp

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+#include "TextToSvgPath.h"
+
+void Preview::Paint(Draw& w)
+{
+	DrawPainter sw(w, GetSize());
+	sw.Clear(SWhite());
+	sw.Path(svgpath).Fill(SBlack());
+}
+
+TextToSvgPathDlg::TextToSvgPathDlg()
+{
+	CtrlLayout(*this, "Text to SVG path converter");
+	for(Ctrl *q = GetFirstChild(); q; q = q->GetNext())
+		if(!dynamic_cast<Button *>(q))
+			q->WhenAction = [=] { Render(); };
+	
+	face.Add(Font::ARIAL);
+	face.Add(Font::ROMAN);
+	face.Add(Font::COURIER);
+	for(int i = Font::COURIER + 1; i < Font::GetFaceCount(); i++)
+		if(Font::GetFaceInfo(i) & Font::SCALEABLE)
+			face.Add(i);
+	SetupFaceList(face);
+	face <<= Font::ARIAL;
+	height.MinMax(6, 500);
+	
+	for(int i = 4; i < 500; i += i < 16 ? 1 : i < 32 ? 4 : i < 48 ? 8 : 16)
+		height.AddList(i);
+	height <<= 128;
+	
+	svgpath.SetReadOnly();
+	preview.SetFrame(ViewFrame());
+	
+	copy.SetImage(CtrlImg::copy());
+	copy << [=] {
+		WriteClipboardText(preview.svgpath);
+	};
+}
+
+void TextToSvgPathDlg::Render()
+{
+	Font fnt(~face, ~height);
+	fnt.Bold(~bold);
+	fnt.Italic(~italic);
+	fnt.Underline(~underline);
+	fnt.Strikeout(~strikeout);
+	fnt.NonAntiAliased(~nonaa);
+
+	svgpath <<= preview.svgpath = TextToSvgPath(0, 0, (String)~text, fnt, ~singleline);
+	preview.Refresh();
+}
+
+GUI_APP_MAIN
+{
+	TextToSvgPathDlg().Run();
+}