Ticket #9064: DrawBitmapTestModified.cpp

/*
 * Copyright 2019, Adrien Destugues <pulkomandy@pulkomandy.tk>
 * Distributed under terms of the MIT license.
 */


#include <Application.h>
#include <Bitmap.h>
#include <View.h>
#include <Window.h>

#include <assert.h>


class BitmapView: public BView
{
    public:
        BitmapView(BBitmap* bitmap)
            : BView(bitmap->Bounds(), "test view", B_FOLLOW_LEFT_TOP, B_WILL_DRAW)
            , fBitmap(bitmap)
        {
        }

        ~BitmapView()
        {
            delete fBitmap;
        }

        void Draw(BRect updateRect)
        {
            DrawBitmap(fBitmap);
        }

    private:
        BBitmap* fBitmap;
};


int
main(void)
{
    BApplication app("application/Haiku-BitmapTest");

    BWindow* window = new BWindow(BRect(10, 10, 100, 100),
        "Bitmap drawing test", B_DOCUMENT_WINDOW, B_QUIT_ON_WINDOW_CLOSE);
    window->Show();

    BBitmap* bitmap = new BBitmap(BRect(0, 0, 24, 24), B_RGBA32, true);

    BView* childOfBitmap = new BView(bitmap->Bounds(), NULL, 0, B_WILL_DRAW);
    bitmap->AddChild(childOfBitmap);
    if (childOfBitmap->LockLooper()) {
        //Uncomment to make FillRect fail
        //childOfBitmap->Invalidate();
        childOfBitmap->SetHighColor(0, 0, 0, 128);
        childOfBitmap->FillRect(childOfBitmap->Bounds());
        childOfBitmap->Invalidate();
        childOfBitmap->UnlockLooper();
    }
    

    BView* view = new BitmapView(bitmap);
    window->AddChild(view);

    app.Run();
    return 0;
}