/*
 * GradientBrush.cpp 
 * Copyright (c) 2009 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED. 
 */


// SOL++2000
// 2000.02.16


#include <sol\ApplicationView.h>

#include <sol\PaintDC.h>
#include <sol\Brush.h>
#include <sol\StockObject.h>
#include <sol\Pen.h>
#include <sol\Font.h>

//#include <sol\GradientLabelGadget.h>

namespace SOL {

class AppView :public ApplicationView {

public:
    AppView(Application& applet, const TCHAR* label, Args& args)
    :ApplicationView(applet, label, args)
    {

        addEventHandler(WM_PAINT, this, (Handler)&AppView::paint, null);
    }


private:
    long AppView::paint(Event& event)
    {
        PaintDC pdc(this);

        StockObject pen(NULL_PEN);
        pdc.select(&pen);

        int width = 300;
    
        if (width <255) {
            width = 255;
        }
        int p =width/255+1;


        SIZE size;
        const TCHAR* string = _T("Good morning!");

        int margin = 8;

        pdc.getTextExtent(string, strlen(string), &size);
        int height = size.cy + margin*2;

        int x = 10;
        int y = 100;

        //red-gradient background

        for(int i = 0; i < 255; i++) {
            Brush brush(RGB(255, 128+i/2, 128+i/2));
            HGDIOBJ prev = pdc.select(&brush);
        
            pdc.rectangle(x+i*p, y, x+20+i*p, y+height);
            pdc.select(prev);
        }
        pdc.setBkMode(TRANSPARENT);

        int yd = (height - size.cy)/2;
        int xd = margin;

        pdc.textOut(x+xd, y+yd, string, strlen(string));


        //blue-gradient background

        y = 200;
        for(int i = 0; i < 255; i++) {
            Brush brush(RGB(128+i/2, 128+i/2, 255) );
            HGDIOBJ prev = pdc.select(&brush);
            pdc.rectangle(x+i*p, y, x+20+i*p, y+height);
            pdc.select(prev);
        }

        string = _T("Good afternoon!");
        pdc.textOut(x+xd, y+yd, string, strlen(string));

        //green-gradient background

        y = 300;

        string = _T("Good evening!                                                              Good night!\r\nGood bye.");
        RECT r;
        pdc.drawText(string, strlen(string), &r, DT_CALCRECT);
        int w  = r.right - r.left;
        if (w >width) {
            width = w;
        }
        p = width/255+1;

        r.left = x+xd;
        r.right = r.left + width;
        int h = r.bottom - r.top;
        r.top  = y+yd;
        r.bottom = r.top  + h +10*2;
    

        for(int i = 0; i < 255; i++) {
            Brush brush(RGB(128+i/2, 255, 128+i/2) );
            HGDIOBJ prev = pdc.select(&brush);
            pdc.rectangle(x+i*p, y, x+20+i*p, y+r.bottom-r.top);
            pdc.select(prev);
        }    

        pdc.drawText(string, strlen(string), &r, 0);

        return 0L;
    }


};

}


void    Main(int argc, TCHAR** argv)
{
    const TCHAR* name = _T("GradientBrush");
    Application applet(name, argc, argv);

    Args args;
    //2009/10/12
    args.set(XmNclassStyle, 0);

    AppView appview(applet, name, args);
    appview.realize();
    applet.run();
}