portrait.h

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/* xoreos - A reimplementation of BioWare's Aurora engine
 *
 * xoreos is the legal property of its developers, whose names
 * can be found in the AUTHORS file distributed with this source
 * distribution.
 *
 * xoreos is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or (at your option) any later version.
 *
 * xoreos 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 for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with xoreos. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef ENGINES_NWN_GUI_WIDGETS_PORTRAIT_H
#define ENGINES_NWN_GUI_WIDGETS_PORTRAIT_H

#include <vector>

#include "src/graphics/guielement.h"

#include "src/graphics/aurora/texturehandle.h"

#include "src/engines/nwn/gui/widgets/nwnwidget.h"

#include "src/graphics/shader/shaderrenderable.h"

namespace Common {
    class UString;
}

namespace Engines {

namespace NWN {

class Portrait : public Graphics::GUIElement {
public:
    enum Size {
        kSizeHuge   = 0,
        kSizeLarge     ,
        kSizeMedium    ,
        kSizeSmall     ,
        kSizeTiny      ,
        kSizeIcon      ,
        kSizeMAX
    };

    Portrait(const Common::UString &name, Size size, float border = 0.0f,
             float bR = 1.0f, float bG = 1.0f, float bB = 1.0f, float bA = 1.0f);
    ~Portrait();

    float getWidth () const; 
    float getHeight() const; 

    void setPortrait(const Common::UString &name);

    void setBorderColor(float bR, float bG, float bB, float bA);

    void setPosition(float x, float y, float z);

    void getPosition(float &x, float &y, float &z) const;

    bool isIn(float x, float y) const;

    // Renderable
    void calculateDistance();
    void render(Graphics::RenderPass pass);
    void renderImmediate(const glm::mat4 &parentTransform);

private:
    struct Quad {
        float vX[4], vY[4];
        float tX[4], tY[4];
    };

    Graphics::Aurora::TextureHandle _texture;

    Size _size;

    float _border;
    float _x;
    float _y;
    float _width;
    float _height;

    float _bR;
    float _bG;
    float _bB;
    float _bA;

    Quad _qPortrait;
    std::vector<Quad> _qBorder;

    Common::ScopedPtr<Graphics::Shader::ShaderSurface> _surface;
    Common::ScopedPtr<Graphics::Shader::ShaderMaterial> _material;
    Common::ScopedPtr<Graphics::Shader::ShaderMaterial> _borderMaterial;
    Common::ScopedPtr<Graphics::Shader::ShaderRenderable> _renderable;
    Common::ScopedPtr<Graphics::Shader::ShaderRenderable> _borderRenderable;

    void setSize();
    void createBorder();
};

class PortraitWidget : public NWNWidget {
public:
    PortraitWidget(::Engines::GUI &gui, const Common::UString &tag,
                   const Common::UString &name, Portrait::Size size, float border = 0.0f,
                   float bR = 1.0f, float bG = 1.0f, float bB = 1.0f, float bA = 1.0f);
    ~PortraitWidget();

    void show();
    void hide();

    void mouseDown(uint8 state, float x, float y);
    void mouseWheel(uint8 state, int x, int y);

    void setPosition(float x, float y, float z);

    void setPortrait(const Common::UString &name);
    void setBorderColor(float bR, float bG, float bB, float bA);

    float getWidth () const;
    float getHeight() const;

    void setTag(const Common::UString &tag);

private:
    Portrait _portrait;
};

} // End of namespace NWN

} // End of namespace Engines

#endif // ENGINES_NWN_GUI_WIDGETS_PORTRAIT_H