image.h

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/*
**  ClanLib SDK
**  Copyright (c) 1997-2009 The ClanLib Team
**
**  This software is provided 'as-is', without any express or implied
**  warranty.  In no event will the authors be held liable for any damages
**  arising from the use of this software.
**
**  Permission is granted to anyone to use this software for any purpose,
**  including commercial applications, and to alter it and redistribute it
**  freely, subject to the following restrictions:
**
**  1. The origin of this software must not be misrepresented; you must not
**     claim that you wrote the original software. If you use this software
**     in a product, an acknowledgment in the product documentation would be
**     appreciated but is not required.
**  2. Altered source versions must be plainly marked as such, and must not be
**     misrepresented as being the original software.
**  3. This notice may not be removed or altered from any source distribution.
**
**  Note: Some of the libraries ClanLib may link to may have additional
**  requirements or restrictions.
**
**  File Author(s):
**
**    Kenneth Gangstoe
*/


#pragma once

#include "../api_display.h"
#include "../../Core/System/sharedptr.h"
#include "../../Core/Resources/resource_data_session.h"
#include "../../Core/Math/origin.h"
#include "color.h"

class CL_GraphicContext;
class CL_VirtualDirectory;
class CL_ResourceManager;
class CL_Rect;
class CL_Size;
class CL_Rectf;
class CL_Image_Impl;
class CL_Texture;
class CL_Subtexture;
class CL_PixelBuffer;

class CL_API_DISPLAY CL_Image
{
public:
        CL_Image();

        CL_Image(CL_GraphicContext &context, CL_Texture texture, CL_Rect rect);

        CL_Image(CL_GraphicContext &context, CL_Subtexture &sub_texture);

        CL_Image(CL_GraphicContext &gc, const CL_PixelBuffer &pixelbuffer);

        CL_Image(CL_GraphicContext &context, const CL_StringRef &filename);

        CL_Image(CL_GraphicContext &context, const CL_StringRef &filename, CL_VirtualDirectory &dir);

        CL_Image(CL_GraphicContext &context, const CL_StringRef &resource_id, CL_ResourceManager *resources);

        virtual ~CL_Image();    

public:
        bool is_null() const;


        float get_scale_x() const;


        float get_scale_y() const;


        float get_alpha() const;


        CL_Colorf get_color() const;

        void get_alignment(CL_Origin &origin, int &x, int &y) const;

        CL_Size get_size() const;

        int get_width() const;

        int get_height() const;

public:
        bool operator==(const CL_Image &other) const
        {
                return impl==other.impl;
        }

        bool operator!=(const CL_Image &other) const
        {
                return impl!=other.impl;
        }

        bool operator<(const CL_Image &other) const
        {
                return impl < other.impl;
        }

public:
        void draw(
                CL_GraphicContext &gc,
                float x,
                float y) const;

        void draw(
                CL_GraphicContext &gc,
                int x,
                int y) const;

        void draw(
                CL_GraphicContext &gc,
                const CL_Rectf &src,
                const CL_Rectf &dest) const;

        void draw(
                CL_GraphicContext &gc,
                const CL_Rectf &dest) const;


        void set_scale(float x, float y);


        void set_alpha(float alpha);


        void set_color(const CL_Colorf &color);

        void set_color(const CL_Color& c) {CL_Colorf color; color.r = c.get_red() / 255.0f; color.g = c.get_green() / 255.0f; color.b = c.get_blue() / 255.0f; color.a = c.get_alpha() / 255.0f; set_color(color);}

        void set_alignment(CL_Origin origin, int x = 0, int y = 0);

private:
        CL_SharedPtr<CL_Image_Impl> impl;
};

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