fix: pixel format
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Haibo
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@ -1,214 +1,216 @@
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// Copyright (c) 2016-2018 Kiwano - Nomango
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#pragma once
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#include <kiwano/core/Resource.h>
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#include <kiwano/render/NativeObject.h>
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namespace kiwano
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{
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KGE_DECLARE_SMART_PTR(Texture);
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/**
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* \addtogroup Render
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* @{
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*/
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/**
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* \~chinese
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* @brief 插值模式
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* @details 插值模式指定了位图在缩放和旋转时像素颜色的计算方式
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*/
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enum class InterpolationMode
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{
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Linear, ///< 双线性插值，对周围四个像素进行两次线性插值计算，在图像放大时可能会模糊
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Nearest ///< 最邻近插值，取最邻近的像素点的颜色值
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};
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/// \~chinese
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/// @brief 像素大小
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typedef math::Vec2T<uint32_t> PixelSize;
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/**
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* \~chinese
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* @brief 像素格式
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* @details 像素格式指定了从内存加载位图时内存以何种方式排列
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*/
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enum class PixelFormat
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{
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Bpp32RGB,
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Bpp32RGBA,
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};
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/**
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* \~chinese
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* @brief 纹理
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*/
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class KGE_API Texture : public NativeObject
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{
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public:
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/// \~chinese
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/// @brief 预加载本地图片
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static TexturePtr Preload(const String& file_path);
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/// \~chinese
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/// @brief 预加载图片资源
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static TexturePtr Preload(const Resource& res);
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/// \~chinese
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/// @brief 从内存加载位图纹理
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static TexturePtr Preload(const PixelSize& size, const BinaryData& data, PixelFormat format);
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Texture();
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/// \~chinese
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/// @brief 从本地文件创建纹理
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Texture(const String& file_path);
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/// \~chinese
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/// @brief 从资源创建纹理
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Texture(const Resource& res);
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virtual ~Texture();
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/// \~chinese
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/// @brief 加载本地文件
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bool Load(const String& file_path);
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/// \~chinese
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/// @brief 加载资源
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bool Load(const Resource& res);
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/// \~chinese
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/// @brief 获取纹理宽度
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float GetWidth() const;
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/// \~chinese
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/// @brief 获取纹理高度
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float GetHeight() const;
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/// \~chinese
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/// @brief 获取纹理大小
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Size GetSize() const;
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/// \~chinese
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/// @brief 获取像素宽度
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uint32_t GetWidthInPixels() const;
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/// \~chinese
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/// @brief 获取像素高度
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uint32_t GetHeightInPixels() const;
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/// \~chinese
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/// @brief 获取像素大小
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PixelSize GetSizeInPixels() const;
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/// \~chinese
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/// @brief 获取像素插值方式
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InterpolationMode GetBitmapInterpolationMode() const;
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/// \~chinese
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/// @brief 设置大小
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void SetSize(const Size& size);
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/// \~chinese
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/// @brief 设置像素大小
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void SetSizeInPixels(const PixelSize& size);
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/// \~chinese
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/// @brief 设置像素插值方式
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void SetInterpolationMode(InterpolationMode mode);
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/// \~chinese
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/// @brief 拷贝纹理
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/// @param copy_from 源纹理
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void CopyFrom(TexturePtr copy_from);
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/// \~chinese
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/// @brief 拷贝纹理
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/// @param copy_from 源纹理
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/// @param src_rect 源纹理裁剪矩形
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/// @param dest_point 拷贝至目标位置
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void CopyFrom(TexturePtr copy_from, const Rect& src_rect, const Point& dest_point);
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/// \~chinese
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/// @brief 设置默认的像素插值方式
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static void SetDefaultInterpolationMode(InterpolationMode mode);
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/// \~chinese
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/// @brief 获取默认的像素插值方式
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static InterpolationMode GetDefaultInterpolationMode();
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private:
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Size size_;
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PixelSize size_in_pixels_;
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InterpolationMode interpolation_mode_;
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static InterpolationMode default_interpolation_mode_;
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};
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/** @} */
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inline float Texture::GetWidth() const
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{
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return size_.x;
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}
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inline float Texture::GetHeight() const
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{
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return size_.y;
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}
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inline Size Texture::GetSize() const
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{
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return size_;
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}
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inline uint32_t Texture::GetWidthInPixels() const
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{
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return size_in_pixels_.x;
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}
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inline uint32_t Texture::GetHeightInPixels() const
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{
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return size_in_pixels_.y;
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}
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inline PixelSize Texture::GetSizeInPixels() const
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{
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return size_in_pixels_;
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}
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inline InterpolationMode Texture::GetBitmapInterpolationMode() const
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{
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return interpolation_mode_;
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}
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inline void Texture::SetSize(const Size& size)
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{
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size_ = size;
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}
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inline void Texture::SetSizeInPixels(const PixelSize& size)
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{
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size_in_pixels_ = size;
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}
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} // namespace kiwano
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// Copyright (c) 2016-2018 Kiwano - Nomango
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#pragma once
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#include <kiwano/core/Resource.h>
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#include <kiwano/render/NativeObject.h>
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namespace kiwano
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{
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KGE_DECLARE_SMART_PTR(Texture);
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/**
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* \addtogroup Render
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* @{
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*/
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/**
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* \~chinese
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* @brief 插值模式
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* @details 插值模式指定了位图在缩放和旋转时像素颜色的计算方式
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*/
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enum class InterpolationMode
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{
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Linear, ///< 双线性插值，对周围四个像素进行两次线性插值计算，在图像放大时可能会模糊
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Nearest ///< 最邻近插值，取最邻近的像素点的颜色值
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};
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/// \~chinese
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/// @brief 像素大小
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typedef math::Vec2T<uint32_t> PixelSize;
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/**
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* \~chinese
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* @brief 像素格式
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* @details 像素格式指定了从内存加载位图时内存以何种方式排列
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*/
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enum class PixelFormat
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{
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Bpp32RGB,
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Bpp32RGBA,
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Bpp32BGR,
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Bpp32BGRA,
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};
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/**
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* \~chinese
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* @brief 纹理
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*/
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class KGE_API Texture : public NativeObject
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{
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public:
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/// \~chinese
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/// @brief 预加载本地图片
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static TexturePtr Preload(const String& file_path);
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/// \~chinese
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/// @brief 预加载图片资源
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static TexturePtr Preload(const Resource& res);
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/// \~chinese
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/// @brief 从内存加载位图纹理
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static TexturePtr Preload(const PixelSize& size, const BinaryData& data, PixelFormat format);
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Texture();
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/// \~chinese
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/// @brief 从本地文件创建纹理
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Texture(const String& file_path);
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/// \~chinese
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/// @brief 从资源创建纹理
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Texture(const Resource& res);
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virtual ~Texture();
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/// \~chinese
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/// @brief 加载本地文件
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bool Load(const String& file_path);
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/// \~chinese
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/// @brief 加载资源
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bool Load(const Resource& res);
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/// \~chinese
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/// @brief 获取纹理宽度
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float GetWidth() const;
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/// \~chinese
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/// @brief 获取纹理高度
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float GetHeight() const;
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/// \~chinese
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/// @brief 获取纹理大小
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Size GetSize() const;
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/// \~chinese
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/// @brief 获取像素宽度
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uint32_t GetWidthInPixels() const;
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/// \~chinese
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/// @brief 获取像素高度
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uint32_t GetHeightInPixels() const;
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/// \~chinese
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/// @brief 获取像素大小
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PixelSize GetSizeInPixels() const;
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/// \~chinese
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/// @brief 获取像素插值方式
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InterpolationMode GetBitmapInterpolationMode() const;
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/// \~chinese
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/// @brief 设置大小
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void SetSize(const Size& size);
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/// \~chinese
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/// @brief 设置像素大小
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void SetSizeInPixels(const PixelSize& size);
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/// \~chinese
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/// @brief 设置像素插值方式
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void SetInterpolationMode(InterpolationMode mode);
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/// \~chinese
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/// @brief 拷贝纹理
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/// @param copy_from 源纹理
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void CopyFrom(TexturePtr copy_from);
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/// \~chinese
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/// @brief 拷贝纹理
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/// @param copy_from 源纹理
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/// @param src_rect 源纹理裁剪矩形
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/// @param dest_point 拷贝至目标位置
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void CopyFrom(TexturePtr copy_from, const Rect& src_rect, const Point& dest_point);
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/// \~chinese
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/// @brief 设置默认的像素插值方式
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static void SetDefaultInterpolationMode(InterpolationMode mode);
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/// \~chinese
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/// @brief 获取默认的像素插值方式
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static InterpolationMode GetDefaultInterpolationMode();
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private:
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Size size_;
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PixelSize size_in_pixels_;
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InterpolationMode interpolation_mode_;
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static InterpolationMode default_interpolation_mode_;
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};
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/** @} */
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inline float Texture::GetWidth() const
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{
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return size_.x;
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}
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inline float Texture::GetHeight() const
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{
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return size_.y;
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}
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inline Size Texture::GetSize() const
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{
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return size_;
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}
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inline uint32_t Texture::GetWidthInPixels() const
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{
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return size_in_pixels_.x;
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}
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inline uint32_t Texture::GetHeightInPixels() const
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{
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return size_in_pixels_.y;
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}
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inline PixelSize Texture::GetSizeInPixels() const
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{
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return size_in_pixels_;
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}
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inline InterpolationMode Texture::GetBitmapInterpolationMode() const
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{
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return interpolation_mode_;
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}
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inline void Texture::SetSize(const Size& size)
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{
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size_ = size;
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}
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inline void Texture::SetSizeInPixels(const PixelSize& size)
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{
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size_in_pixels_ = size;
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}
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} // namespace kiwano
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