1 Screenshot
2 Source code
/*
* BitmapFont.cpp
* Copyright (c) 2015 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
*/
#include <sol/opengl/OpenGLMainView.h>
#include <sol/opengl/OpenGLView.h>
#include <sol/opengl/OpenGLGC.h>
#include <sol/opengl/OpenGLBitmapFont.h>
#include <sol/Panel.h>
#include <sol/PushButton.h>
namespace SOL {
class MainView :public OpenGLMainView {
private:
//Inner class starts
class SimpleView: public OpenGLView {
private:
SmartPtr<OpenGLGC> gc;
SmartPtr<Font> arial;
SmartPtr<OpenGLBitmapFont> arialFont;
SmartPtr<Font> courier;
SmartPtr<OpenGLBitmapFont> courierFont;
SmartPtr<Font> times;
SmartPtr<OpenGLBitmapFont> timesFont;
int width;
int height;
public:
virtual void display()
{
ClientDC* cdc = getClientDC();
if (gc) {
gc -> matrixMode(GL_PROJECTION);
gc -> loadIdentity();
gc -> ortho2D(0, width, height, 0);
gc -> matrixMode(GL_MODELVIEW);
gc -> loadIdentity();
gc -> clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
gc -> backgroundColor(0.0, 0.0, 0.0, 1.0);
gc -> pushMatrix();
gc -> foregroundColor(1.0, 0.0, 0.0);
timesFont -> drawString(cdc, 10, 40, "Times New Roman. Hello world");
gc -> popMatrix();
gc -> pushMatrix();
gc -> foregroundColor(0.0, 1.0, 0.0);
courierFont -> drawString(cdc, 20, 100, "Courier. Goodbye world");
gc -> popMatrix();
gc -> pushMatrix();
gc -> foregroundColor(0.0, 0.0, 1.0);
arialFont -> drawString(cdc, 40, 160, "Arial. OpenGLBitmapFont");
gc -> popMatrix();
}
}
virtual void resize(int w, int h)
{
if (w == 0 || h == 0) {
return;
}
width = w;
height = h;
if (gc) {
gc -> matrixMode(GL_PROJECTION);
gc -> loadIdentity();
gc -> matrixMode(GL_MODELVIEW);
}
}
void createArialFont(ClientDC* cdc, int pointSize)
{
int logPixel = cdc -> getDeviceCaps(LOGPIXELSY);
int nHeight = -MulDiv(pointSize, logPixel, 72);
Args ar;
ar.set(XmNheight, nHeight);
ar.set(XmNweight, FW_NORMAL);
ar.set(XmNcharSet, ANSI_CHARSET);
ar.set(XmNfaceName, "Arial");
arial = new Font(ar);
arialFont = new OpenGLBitmapFont(cdc, arial);
}
void createCourierFont(ClientDC* cdc, int pointSize)
{
int logPixel = cdc -> getDeviceCaps(LOGPIXELSY);
int nHeight = -MulDiv(pointSize, logPixel, 72);
Args ar;
ar.set(XmNheight, nHeight);
ar.set(XmNweight, FW_NORMAL);
ar.set(XmNcharSet, ANSI_CHARSET);
ar.set(XmNfaceName, "Courier");
courier = new Font(ar);
courierFont = new OpenGLBitmapFont(cdc, courier);
}
void createTimesFont(ClientDC* cdc, int pointSize)
{
int logPixel = cdc -> getDeviceCaps(LOGPIXELSY);
int nHeight = -MulDiv(pointSize, logPixel, 72);
Args ar;
ar.set(XmNheight, nHeight);
ar.set(XmNweight, FW_NORMAL);
ar.set(XmNcharSet, ANSI_CHARSET);
ar.set(XmNfaceName, "Times New Roman");
times = new Font(ar);
timesFont = new OpenGLBitmapFont(cdc, times);
}
virtual void initialize()
{
ClientDC* cdc = getClientDC();
createArialFont(cdc, 24);
createCourierFont(cdc, 32);
createTimesFont(cdc, 16);
gc = new OpenGLGC();
gc -> matrixMode(GL_PROJECTION);
gc -> loadIdentity();
gc -> ortho2D(0, width, height, 0);
gc -> matrixMode(GL_MODELVIEW);
gc -> enable(GL_LINE_SMOOTH);
gc -> enable(GL_BLEND);
gc -> blendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
public:
SimpleView(View* parent, const char* name, Args& args)
:OpenGLView(parent, name, args)
{
}
~SimpleView()
{
}
};
//WorkArea sample panel
class WorkArea :public Panel {
private:
SmartPtr<PushButton> quit;
private:
void bye(Action& action)
{
::exit(0);
}
public:
WorkArea(View* parent, const char* name, Args& args)
:Panel(parent, name, args)
{
Args ar;
ar.set(XmNx, 10);
ar.set(XmNy, 10);
quit = new PushButton(this, "Quit", ar);
quit -> addCallback(XmNactivateCallback, this, (Callback)&WorkArea::bye, NULL);
}
~WorkArea()
{
}
};
//Inner class ends
private:
SmartPtr<SimpleView> view;
SmartPtr<WorkArea> warea;
long size(Event& event)
{
int w, h;
event.getSize(w, h);
if (view.notNull() && warea.notNull()) {
view -> reshape(0, 0, w*2/3, h);
view -> postResizeRequest(w*2/3, h);
warea -> reshape(w*2/3, 0, w/3, h);
}
return 0L;
}
public:
MainView(Application& applet, const char* name, Args& args)
:OpenGLMainView(applet, name, args)
{
Args ar;
view = new SimpleView(this, "", ar);
ar.reset();
warea = new WorkArea(this, "", ar);
}
~MainView()
{
}
};
}
//
void Main(int argc, char** argv)
{
try {
const char* name = appName(argv[0]);
Application applet(name, argc, argv);
Args args;
args.set(XmNwidth, 700);
args.set(XmNheight, 300);
MainView view(applet, name, args);
view.realize();
applet.run();
} catch (Exception& ex) {
ex.show();
}
}
Last modified: 25 Feb 2017
Copyright (c) 2017 Antillia.com ALL RIGHTS RESERVED.