SDLWindow.h

/******************************************************************************
Este arquivo eh parte da implementacao do ambiente declarativo do middleware
Ginga (Ginga-NCL).

Direitos Autorais Reservados (c) 1989-2007 PUC-Rio/Laboratorio TeleMidia

Este programa eh software livre; voce pode redistribui-lo e/ou modificah-lo sob
os termos da Licenca Publica Geral GNU versao 2 conforme publicada pela Free
Software Foundation.

Este programa eh distribuido na expectativa de que seja util, porem, SEM
NENHUMA GARANTIA; nem mesmo a garantia implicita de COMERCIABILIDADE OU
ADEQUACAO A UMA FINALIDADE ESPECIFICA. Consulte a Licenca Publica Geral do
GNU versao 2 para mais detalhes.

Voce deve ter recebido uma copia da Licenca Publica Geral do GNU versao 2 junto
com este programa; se nao, escreva para a Free Software Foundation, Inc., no
endereco 59 Temple Street, Suite 330, Boston, MA 02111-1307 USA.

Para maiores informacoes:
ncl @ telemidia.puc-rio.br
http://www.ncl.org.br
http://www.ginga.org.br
http://www.telemidia.puc-rio.br
******************************************************************************
This file is part of the declarative environment of middleware Ginga (Ginga-NCL)

Copyright: 1989-2007 PUC-RIO/LABORATORIO TELEMIDIA, All Rights Reserved.

This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License version 2 as published by
the Free Software Foundation.

This program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.  See the GNU General Public License version 2 for more
details.

You should have received a copy of the GNU General Public License version 2
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA

For further information contact:
ncl @ telemidia.puc-rio.br
http://www.ncl.org.br
http://www.ginga.org.br
http://www.telemidia.puc-rio.br
*******************************************************************************/

#ifndef SDLWINDOW_H_
#define SDLWINDOW_H_

#include "util/Color.h"
using namespace ::br::pucrio::telemidia::util;

#include "mb/interface/IWindow.h"

#include "SDL.h"

typedef uint32_t Uint32;
typedef Uint32 SDL_WindowID;

#include <iostream>
#include <vector>
using namespace std;

namespace br {
namespace pucrio {
namespace telemidia {
namespace ginga {
namespace core {
namespace mb {

    typedef struct DrawData {
        int coord1;
        int coord2;
        int coord3;
        int coord4;
        short dataType;
        int r;
        int g;
        int b;
        int a;
    } DrawData;

    class SDLWindow : public IWindow {
        public:
            static const short DDT_LINE      = 0;
            static const short DDT_RECT      = 1;
            static const short DDT_FILL_RECT = 2;

        private:
            SDL_Texture* texture;
            SDL_Surface* curSur;

            ISurface* winISur;

            bool textureUpdate;
            bool textureOwner;

            int borderWidth;
            IColor* bgColor;
            IColor* borderColor;
            IColor* winColor;
            IColor* colorKey;

            GingaScreenID myScreen;
            GingaWindowID windowId;
            GingaWindowID parentId;

            SDL_Rect rect;

            float z;
            int transparencyValue;
            bool visible;
            bool ghost;

            ISurface* childSurface;
            bool fit;
            bool stretch;
            int caps;

            pthread_mutex_t mutex;    //external mutex
            pthread_mutex_t mutexC;   //childs mutex
            pthread_mutex_t texMutex; //texture mutex
            pthread_mutex_t surMutex; //underlying surface mutex

            bool isWaiting;
            pthread_mutex_t rMutex; //render mutex
            pthread_mutex_t cMutex; //condition mutex
            pthread_cond_t cond;

        public:
            SDLWindow(
                    GingaWindowID underlyingWindowID,
                    GingaWindowID parentWindowID,
                    GingaScreenID screenId,
                    int x, int y, int width, int height,
                    float z);

            virtual ~SDLWindow();

        private:
            void initialize(
                    GingaWindowID underlyingWindowID,
                    GingaWindowID parentWindowID,
                    GingaScreenID screenId,
                    int x, int y, int width, int height,
                    float z);

            void releaseWinISur();
            void releaseBGColor();
            void releaseWinColor();
            void releaseColorKey();
            void releaseBorderColor();

        public:
            void setBgColor(int r, int g, int b, int alpha);
            IColor* getBgColor();
            void setColorKey(int r, int g, int b);
            IColor* getColorKey();
            void setWindowColor(int r, int g, int b, int alpha);
            IColor* getWindowColor();
            void setBorder(int r, int g, int b, int alpha=255, int bWidth=0);
            void getBorder(int* r, int* g, int* b, int* alpha, int* bWidth);

            GingaScreenID getScreen();
            void revertContent();
            void setChildSurface(ISurface* iSur);
            int getCap(string cap);
            void setCaps(int caps);
            void addCaps(int capability);
            int getCaps();

            void draw();
            void setBounds(int x, int y, int width, int height);
            void moveTo(int x, int y);
            void resize(int width, int height);
            void raiseToTop();
            void lowerToBottom();
            void setCurrentTransparency(int alpha);
            int getTransparencyValue();
            GingaWindowID getId();
            void show();
            void hide();

            int getX();
            int getY();
            int getW();
            int getH();
            float getZ();

            void setX(int x);
            void setY(int y);
            void setW(int w);
            void setH(int h);
            void setZ(float z);

            bool isGhostWindow();
            void setGhostWindow(bool ghost);
            bool isVisible();
            void validate();

        private:
            void unprotectedValidate();

        public:
            vector<DrawData*>* createDrawDataList();
            void setStretch(bool stretchTo);
            bool getStretch();
            void setFit(bool fitTo);
            bool getFit();
            void clearContent();
            void setRenderedSurface(SDL_Surface* uSur);
            void* getContent();
            void setTexture(SDL_Texture* texture);
            SDL_Texture* getTexture(SDL_Renderer* renderer);
            bool isTextureOwner(SDL_Texture* texture);

        private:
            bool isMine(ISurface* surface);

        public:
            void renderImgFile(string serializedImageUrl);
            void renderFrom(ISurface* s);

            void blit(IWindow* src);
            void stretchBlit(IWindow* src);
            string getDumpFileUri(int quality, int dumpW, int dumpH);

            void lock();
            void unlock();

            void lockChilds();
            void unlockChilds();

            bool rendered();

        private:
            void waitRenderer();

            void lockTexture();
            void unlockTexture();

            void lockSurface();
            void unlockSurface();
    };
}
}
}
}
}
}

#endif /*SDLWINDOW_H_*/