Texture.h

// Copyright (c) 2016-2018 Kiwano - Nomango
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
 
#pragma once
#include <kiwano/core/Resource.h>
#include <kiwano/platform/NativeObject.hpp>
 
namespace kiwano
{
 
KGE_DECLARE_SMART_PTR(Texture);
 
enum class InterpolationMode
{
    Linear,  
    Nearest  
};
 
typedef math::Vec2T<uint32_t> PixelSize;
 
enum class PixelFormat
{
    Bpp32RGBA,
    Bpp32BGRA,
};
 
class KGE_API Texture : public NativeObject
{
public:
    Texture();
 
    Texture(const String& file_path);
 
    Texture(const Resource& res);
 
    Texture(const PixelSize& size, const BinaryData& data, PixelFormat format);
 
    virtual ~Texture();
 
    bool Load(const String& file_path);
 
    bool Load(const Resource& res);
 
    bool Load(const PixelSize& size, const BinaryData& data, PixelFormat format);
 
    float GetWidth() const;
 
    float GetHeight() const;
 
    Size GetSize() const;
 
    uint32_t GetWidthInPixels() const;
 
    uint32_t GetHeightInPixels() const;
 
    PixelSize GetSizeInPixels() const;
 
    InterpolationMode GetBitmapInterpolationMode() const;
    void SetSize(const Size& size);
 
    void SetSizeInPixels(const PixelSize& size);
 
    void SetInterpolationMode(InterpolationMode mode);
 
    void CopyFrom(TexturePtr copy_from);
 
    void CopyFrom(TexturePtr copy_from, const Rect& src_rect, const Point& dest_point);
 
    static void SetDefaultInterpolationMode(InterpolationMode mode);
 
    static InterpolationMode GetDefaultInterpolationMode();
 
private:
    Size              size_;
    PixelSize         size_in_pixels_;
    InterpolationMode interpolation_mode_;
 
    static InterpolationMode default_interpolation_mode_;
};
 
inline float Texture::GetWidth() const
{
    return size_.x;
}
 
inline float Texture::GetHeight() const
{
    return size_.y;
}
 
inline Size Texture::GetSize() const
{
    return size_;
}
 
inline uint32_t Texture::GetWidthInPixels() const
{
    return size_in_pixels_.x;
}
 
inline uint32_t Texture::GetHeightInPixels() const
{
    return size_in_pixels_.y;
}
 
inline PixelSize Texture::GetSizeInPixels() const
{
    return size_in_pixels_;
}
 
inline InterpolationMode Texture::GetBitmapInterpolationMode() const
{
    return interpolation_mode_;
}
 
inline void Texture::SetSize(const Size& size)
{
    size_ = size;
}
 
inline void Texture::SetSizeInPixels(const PixelSize& size)
{
    size_in_pixels_ = size;
}
 
}  // namespace kiwano