80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
#ifndef BWIDGETS_TEXTURE_HPP
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#define BWIDGETS_TEXTURE_HPP
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#include <cstdint>
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#include <memory>
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#include <SDL2/SDL_pixels.h>
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#include <SDL2/SDL_render.h>
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#include <basic_widgets/core/error_helper.hpp>
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#include <basic_widgets/core/type/color.hpp>
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#include <basic_widgets/core/type/opaque_struct.hpp>
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#include <basic_widgets/core/type/sdl_error.hpp>
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namespace bwidgets
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{
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class Renderer;
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class Texture final : OpaqueStruct<SDL_Texture>::Wrapper
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{
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friend Renderer;
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struct Attr final
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{
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uint32_t format_raw;
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SDL_PixelFormat* format;
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SDL_TextureAccess access;
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int w, h;
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} _attributes {};
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public:
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Texture(SDL_Texture*);
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Texture(Renderer*, SDL_PixelFormatEnum, SDL_TextureAccess, int, int);
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Texture(Renderer*, SDL_Surface*);
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Texture(const Texture&) = delete;
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Texture(Texture&&) = delete;
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~Texture() noexcept;
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auto operator=(const Texture&) = delete;
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auto operator=(Texture&&) = delete;
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[[nodiscard]] auto alpha_mode() -> uint8_t;
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auto alpha_mode(uint8_t) -> Texture*;
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[[nodiscard]] auto blend_mode() -> SDL_BlendMode;
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auto blend_mode(SDL_BlendMode) -> Texture*;
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[[nodiscard]] auto color_mode() -> Color;
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auto color_mode(const Color&) -> Texture*;
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[[nodiscard]] auto scale_mode() -> SDL_ScaleMode;
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auto scale_mode(SDL_ScaleMode) -> Texture*;
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auto update(SDL_Rect*, const void*, int) -> Texture*;
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[[nodiscard]] const auto& attributes() const noexcept
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{
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return _attributes;
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}
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auto update(const SDL_Rect& r, const void* pix, int pitch)
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{
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SDL_Rect rect = r;
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update(&rect, pix, pitch);
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return this;
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}
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[[nodiscard]] static auto attributes(SDL_Texture* t)
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{
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Attr attr {};
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success_or_throw<SDLError>(
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SDL_QueryTexture(t, &attr.format_raw,
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// NOLINTNEXTLINE(cppcoreguidelines-pro-type-cstyle-cast)
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(int*)&attr.access, &attr.w, &attr.h));
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attr.format = ptr_or_throw<SDLError>(SDL_AllocFormat(attr.format_raw));
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return attr;
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}
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};
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}
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#endif
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