A src/tests/testFont.cc

@@ -0,0 +1,95 @@ 
+
+#include "Font.hh"
+#include "BaseDisplay.hh"
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/keysym.h>
+
+#include <string>
+#include <iostream>
+using namespace std;
+
+class App:public BaseDisplay {
+public:
+	App(const char *displayname):BaseDisplay("app", displayname) { 
+
+		// using screen 0
+		m_win = XCreateSimpleWindow(getXDisplay(),
+			DefaultRootWindow(getXDisplay()),
+			0, 0,
+			640, 480,
+			1,
+			0,			
+			0xFFFF);
+		XSelectInput(getXDisplay(), m_win,  KeyPressMask|ExposureMask);
+		XMapWindow(getXDisplay(), m_win);
+	}
+	~App() {
+		XDestroyWindow(getXDisplay(), m_win);
+	}
+	
+	void handleEvent(XEvent * const ev) {
+		switch (ev->type) {
+			case KeyPress:
+				KeySym ks;
+				char keychar[1];
+				XLookupString(&ev->xkey, keychar, 1, &ks, 0);
+				if (ks == XK_Escape)
+					shutdown();
+				else { // toggle antialias
+					m_font.setAntialias(!m_font.isAntialias());
+					cerr<<boolalpha;
+					cerr<<"antialias: "<<m_font.isAntialias()<<endl;
+					redraw();
+				}
+			break;
+			case Expose:
+				redraw();
+			break;
+		}
+	}
+	void redraw() {
+		XClearWindow(getXDisplay(), m_win);
+		GC wingc = DefaultGC(getXDisplay(), 0);
+		m_font.drawText(m_win, 0, wingc,
+		m_text.c_str(), m_text.size(),
+		640/2 - m_font.textWidth(m_text.c_str(), m_text.size())/2, 480/2);
+
+	}
+	Window win() const { return m_win; }
+	FbTk::Font &font() { return m_font; }
+	void setText(const std::string& text) { m_text = text; }
+private:
+	Window m_win;
+	FbTk::Font m_font;
+	string m_text;
+};
+
+int main(int argc, char **argv) {
+	bool antialias = false;
+	string fontname("fixed");
+	string displayname("");
+	string text("testTEST0123456789,-+.;:\\!{}[]()");
+	for (int a=1; a<argc; ++a) {
+		if (strcmp("-font", argv[a])==0 && a + 1 < argc) {
+			fontname = argv[++a];
+		} else if (strcmp("-antialias", argv[a]) == 0) {
+			antialias = true;
+		} else if (strcmp("-display", argv[a]) == 0 && a + 1 < argc) {
+			displayname = argv[++a];
+		} else if (strcmp("-text", argv[a]) == 0 && a + 1 < argc) {
+			text = argv[++a];
+		}
+	}
+	
+	App app(displayname.c_str());
+	app.font().setAntialias(antialias);
+	if (!app.font().load(fontname.c_str()))
+		cerr<<"Failed to load: "<<fontname<<endl;
+	
+	app.setText(text);
+	app.redraw();
+	app.eventLoop();
+	
+}