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Sprout.Darkroom 外部ファイルからテクスチャ読み込み機能を追加

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texture_map クラス追加
This commit is contained in:
bolero-MURAKAMI 2011-12-17 18:00:41 +09:00
parent c0309c22ed
commit 6f2be58007
7 changed files with 368 additions and 11 deletions
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96
sprout/darkroom/textures/texture.hpp Normal file
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#ifndef SPROUT_DARKROOM_TEXTURES_TEXTURE_HPP
#define SPROUT_DARKROOM_TEXTURES_TEXTURE_HPP
#include <cstddef>
#include <sprout/config.hpp>
#include <sprout/array.hpp>
#include <sprout/darkroom/access/access.hpp>
#include <sprout/darkroom/colors/rgb.hpp>
//
// DARKROOM_LOAD_TEXTURE
//
#define DARKROOM_LOAD_TEXTURE <sprout/darkroom/load/texture.hpp>
//
// DARKROOM_TEX_VERSION
//
#define DARKROOM_TEX_VERSION(NUM) NUM
//
// DARKROOM_TEX_IMAGE_DEFAULT
//
#define DARKROOM_TEX_IMAGE_DEFAULT 0
//
// DARKROOM_TEX_PIXEL_INT_R8G8B8
//
#define DARKROOM_TEX_PIXEL_INT_R8G8B8 0
namespace sprout {
namespace darkroom {
namespace textures {
//
// version_type
//
typedef unsigned long version_type;
//
// info_type
//
struct info_type {
public:
unsigned long image_format;
unsigned long pixel_format;
std::size_t width;
std::size_t height;
};
//
// image_type
//
template<std::size_t Width, std::size_t Height, typename Color = sprout::darkroom::colors::rgb_f>
struct image_type {
public:
typedef Color color_type;
typedef color_type value_type;
typedef std::size_t size_type;
SPROUT_STATIC_CONSTEXPR size_type static_width = Width;
SPROUT_STATIC_CONSTEXPR size_type static_height = Height;
typedef sprout::array<value_type, static_width * static_height> pixels_type;
typedef typename sprout::darkroom::access::unit<color_type>::type color_component_type;
private:
pixels_type pixels_;
public:
template<typename... Elems>
SPROUT_CONSTEXPR image_type(
unsigned long image_format,
unsigned long pixel_format,
Elems const&... elems
)
: pixels_{{
color_type(
static_cast<color_component_type>((elems >> 16) & 0xFF) / 0xFF,
static_cast<color_component_type>((elems >> 8) & 0xFF) / 0xFF,
static_cast<color_component_type>(elems & 0xFF) / 0xFF
)...
}}
{
static_assert(sizeof...(Elems) == static_width * static_height, "image_type<>: unmatch image size");
}
SPROUT_CONSTEXPR value_type const& operator()(size_type x, size_type y) const {
return pixels_[y * static_width + x];
}
SPROUT_CONSTEXPR size_type width() const {
return static_width;
}
SPROUT_CONSTEXPR size_type height() const {
return static_height;
}
SPROUT_CONSTEXPR pixels_type const& pixels() const {
return pixels_;
}
};
} // namespace textures
} // namespace darkroom
} // namespace sprout
#endif // #ifndef SPROUT_DARKROOM_TEXTURES_TEXTURE_HPP