EVEngine: eve::graphics::Canvas类参考

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#include <Canvas.h>

类 eve::graphics::Canvas 继承关系图:

Public 成员函数
	Canvas ()

	~Canvas () override

virtual int	getWidth () const =0

virtual int	getHeight () const =0

virtual Texture *	getTexture ()=0
	Sampleable color buffer; screen Canvas returns nullptr.

virtual void	clear (std::optional< Color > color, std::optional< int > stencil, std::optional< double > depth)=0

virtual Color	getPixel (int x, int y)=0

virtual image::ImageData *	newImageData ()=0

virtual void	draw (Canvas *C, const glm::mat4 &matrix) const =0

Public 成员函数继承自 eve::graphics::Drawable
virtual	~Drawable ()

virtual void	draw (Graphics *gfx, const glm::mat4 &matrix) const =0
	Draws the object with the specified transformation matrix.

bool	getCastOcclusion () const
	When false, skipped by Graphics::drawOcclusion / volumetric occluder passes.

void	setCastOcclusion (bool cast)

virtual void	drawOcclusion (Graphics *gfx, const glm::mat4 &matrix) const
	Draw as an opaque black silhouette for volumetric occlusion maps (screen-space god rays / light shafts). Default is a no-op; Texture / Mesh override with 2D black rects (alpha preserved for textures).

详细描述

在文件 Canvas.h 第 16 行定义.

构造及析构函数说明

◆ Canvas()

eve::graphics::Canvas::Canvas ( )

inline

在文件 Canvas.h 第 18 行定义.

◆ ~Canvas()

eve::graphics::Canvas::~Canvas ( )

inlineoverride

在文件 Canvas.h 第 19 行定义.

成员函数说明

◆ clear()

virtual void eve::graphics::Canvas::clear	(	std::optional< Color >	color,
		std::optional< int >	stencil,
		std::optional< double >	depth
	)

pure virtual

在 eve::graphics::vulkan::OffscreenCanvas, eve::graphics::vulkan::Graphics, eve::graphics::webgpu::OffscreenCanvas , 以及 eve::graphics::webgpu::Graphics 内被实现.

被这些函数引用 eve::graphics::Volumetric::beginOcclusionMap(), eve::graphics::Graphics::clearScreen() , 以及 eve::graphics::RenderSystem::drawItems().

◆ draw()

virtual void eve::graphics::Canvas::draw	(	Canvas *	C,
		const glm::mat4 &	matrix
	)		const

pure virtual

在 eve::graphics::vulkan::OffscreenCanvas, eve::graphics::webgpu::OffscreenCanvas, eve::graphics::vulkan::Graphics , 以及 eve::graphics::webgpu::Graphics 内被实现.

◆ getHeight()

virtual int eve::graphics::Canvas::getHeight ( ) const

pure virtual

在 eve::graphics::Graphics, eve::graphics::vulkan::OffscreenCanvas , 以及 eve::graphics::webgpu::OffscreenCanvas 内被实现.

被这些函数引用 eve::graphics::Outline::apply(), eve::stylize::StylePass::apply(), eve::stylize::StyleChain::apply(), eve::graphics::AmbientOcclusion::applyFromGBuffer(), eve::graphics::ScreenSpaceReflection::applyFromScene(), eve::graphics::Volumetric::beginOcclusionMap(), eve::graphics::RenderSystem::drawItems() , 以及 eve::graphics::RenderSystem3D::renderToCanvas().

◆ getPixel()

virtual Color eve::graphics::Canvas::getPixel	(	int	x,
		int	y
	)

pure virtual

在 eve::graphics::vulkan::OffscreenCanvas, eve::graphics::vulkan::Graphics, eve::graphics::webgpu::OffscreenCanvas , 以及 eve::graphics::webgpu::Graphics 内被实现.

◆ getTexture()

virtual Texture * eve::graphics::Canvas::getTexture ( )

pure virtual

Sampleable color buffer; screen Canvas returns nullptr.

在 eve::graphics::vulkan::OffscreenCanvas, eve::graphics::vulkan::Graphics, eve::graphics::webgpu::OffscreenCanvas , 以及 eve::graphics::webgpu::Graphics 内被实现.

被这些函数引用 eve::stylize::StyleChain::apply(), eve::graphics::AntiAliasing::applyCanvas(), eve::stylize::StylePass::applyCanvas(), eve::stylize::StyleChain::applyCanvas(), eve::graphics::AntiAliasing::applyCanvasTo(), eve::stylize::StylePass::applyCanvasTo(), eve::graphics::Graphics::drawCanvasRGBA(), eve::ui::UISystem::ensureViewport() , 以及 eve::graphics::webgpu::Graphics::getTexture().

◆ getWidth()

virtual int eve::graphics::Canvas::getWidth ( ) const

pure virtual

在 eve::graphics::Graphics, eve::graphics::vulkan::OffscreenCanvas , 以及 eve::graphics::webgpu::OffscreenCanvas 内被实现.

被这些函数引用 eve::graphics::Outline::apply(), eve::stylize::StylePass::apply(), eve::stylize::StyleChain::apply(), eve::graphics::AmbientOcclusion::applyFromGBuffer(), eve::graphics::ScreenSpaceReflection::applyFromScene(), eve::graphics::Volumetric::beginOcclusionMap(), eve::graphics::RenderSystem::drawItems() , 以及 eve::graphics::RenderSystem3D::renderToCanvas().

◆ newImageData()

virtual image::ImageData * eve::graphics::Canvas::newImageData ( )

pure virtual

Full RGBA8 copy; caller owns ImageData*.

在 eve::graphics::vulkan::OffscreenCanvas, eve::graphics::vulkan::Graphics, eve::graphics::webgpu::OffscreenCanvas , 以及 eve::graphics::webgpu::Graphics 内被实现.

被这些函数引用 eve::graphics::Graphics::saveFramePng().

该类的文档由以下文件生成:

src/modules/graphics/Canvas.h