love.graphics (简体中文)

The primary responsibility for the love.graphics module is the drawing of lines, shapes, text, Images and other Drawable objects onto the screen. Its secondary responsibilities include loading external files (including Images and Fonts) into memory, creating specialized objects (such as ParticleSystems or Framebuffers) and managing screen geometry.

love.graphics模块的主要功能是绘制图像（文字、形状、线、图片Image、其他Drawable）到屏幕上。次要功能是将外部文件（图片Image、字体Font）加载到内存中。建立专门的对象进行管理（比如ParticleSystem、Framebuffer）。

LÖVE's coordinate system is rooted in the upper-left corner of the screen, which is at location (0, 0). The x axis is horizontal: larger values are further to the right. The y axis is vertical: larger values are further towards the bottom.

LÖVE的坐标系统如下图所示，以左上角为原点，横向延伸为X轴，纵向延伸为Y轴。

In many cases, you draw images or shapes in terms of their upper-left corner (See the picture above).

在许多情况下，你绘制的图片和图形都是以它们的左上角为起点。 （如上图）

Many of the functions are used to manipulate the graphics coordinate system, which is essentially the the way coordinates are mapped to the display. You can change the position, scale, and even rotation in this way.

我们提供许多函数来用于操作“图形坐标系统”，坐标系统是图像显示的本质。通过操作坐标，你可以改变位置、大小、甚至旋转。

Types

Canvas	Off-screen render target.
Drawable	Superclass for all things that can be drawn on screen.
Font	Defines the shape of characters than can be drawn onto the screen.
Framebuffer	Off-screen render target.
Image	Drawable image type.
Mesh	A 2D polygon mesh used for drawing arbitrary textured shapes.
ParticleSystem	Used to create cool effects, like fire.
PixelEffect	Pixel shader effect.
Quad	A quadrilateral with texture coordinate information.
Shader	Shader effect.
SpriteBatch	Store image positions in a buffer, and draw it in one call.
Text	Drawable text.
Texture	Superclass for drawable objects which represent a texture.
Video	A drawable video.

Functions

love.graphics.applyTransform	Applies the given Transform object to the current coordinate transformation.
love.graphics.arc	Draws an arc.
love.graphics.captureScreenshot	Creates a screenshot once the current frame is done.
love.graphics.checkMode	Checks if a display mode is supported.
love.graphics.circle	Draws a circle.
love.graphics.clear	Clears the screen or active Canvas to the specified color.
love.graphics.discard	Discards the contents of the screen or active Canvas.
love.graphics.draw	Draws objects on screen.
love.graphics.drawInstanced	Draws many instances of a Mesh with a single draw call, using hardware geometry instancing.
love.graphics.drawLayer	Draws a layer of an Array Texture.
love.graphics.drawq	Draw a Quad with the specified Image on screen.
love.graphics.ellipse	Draws an ellipse.
love.graphics.flushBatch	Immediately renders any pending automatically batched draws.
love.graphics.getBackgroundColor	Gets the current background color.
love.graphics.getBlendMode	Gets the blending mode.
love.graphics.getCanvas	Returns the current target Canvas.
love.graphics.getCanvasFormats	Gets the available Canvas formats, and whether each is supported.
love.graphics.getCaption	Gets the window caption.
love.graphics.getColor	Gets the current color.
love.graphics.getColorMask	Gets the active color components used when drawing.
love.graphics.getColorMode	Gets the color mode (which controls how images are affected by the current color).
love.graphics.getCompressedImageFormats	Gets the available compressed image formats, and whether each is supported.
love.graphics.getDPIScale	Gets the DPI scale factor of the window.
love.graphics.getDefaultFilter	Returns the default scaling filters used with Images, Canvases, and Fonts.
love.graphics.getDefaultImageFilter	Returns the default scaling filters.
love.graphics.getDepthMode	Gets the current depth test mode and whether writing to the depth buffer is enabled.
love.graphics.getDimensions	Gets the width and height of the window.
love.graphics.getFont	Gets the current Font object.
love.graphics.getFrontFaceWinding	Gets whether triangles with clockwise- or counterclockwise-ordered vertices are considered front-facing.
love.graphics.getHeight	Gets the height in pixels of the window.
love.graphics.getImageFormats	Gets the pixel formats usable for Images, and whether each is supported.
love.graphics.getLineJoin	Gets the line join style.
love.graphics.getLineStipple	Gets the current line stipple.
love.graphics.getLineStyle	Gets the line style.
love.graphics.getLineWidth	Gets the current line width.
love.graphics.getMaxImageSize	Gets the max supported width or height of Images and Canvases.
love.graphics.getMaxPointSize	Gets the max supported point size.
love.graphics.getMeshCullMode	Gets whether back-facing triangles in a Mesh are culled.
love.graphics.getMode	Returns the current display mode.
love.graphics.getModes	Gets a list of supported fullscreen modes.
love.graphics.getPixelDimensions	Gets the width and height in pixels of the window.
love.graphics.getPixelEffect	Returns the current PixelEffect.
love.graphics.getPixelHeight	Gets the height in pixels of the window.
love.graphics.getPixelWidth	Gets the width in pixels of the window.
love.graphics.getPointSize	Gets the point size.
love.graphics.getPointStyle	Gets the current point style.
love.graphics.getRendererInfo	Gets information about the system's video card and drivers.
love.graphics.getScissor	Gets the current scissor box.
love.graphics.getShader	Gets the current Shader.
love.graphics.getStackDepth	Gets the current depth of the transform / state stack (the number of pushes without corresponding pops).
love.graphics.getStats	Gets performance-related rendering statistics.
love.graphics.getStencilTest	Gets the current stencil test configuration.
love.graphics.getSupported	Gets the optional graphics features and whether they're supported.
love.graphics.getSystemLimit	Gets the system-dependent maximum value for a love.graphics feature.
love.graphics.getSystemLimits	Gets the system-dependent maximum values for love.graphics features.
love.graphics.getTextureTypes	Gets the available texture types, and whether each is supported.
love.graphics.getWidth	Gets the width in pixels of the window.
love.graphics.hasFocus	Checks if the game window has keyboard focus.
love.graphics.intersectScissor	Sets the scissor to the rectangle created by the intersection of the specified rectangle with the existing scissor.
love.graphics.inverseTransformPoint	Converts the given 2D position from screen-space into global coordinates.
love.graphics.isActive	Gets whether the graphics module is able to be used.
love.graphics.isCreated	Checks if the window has been created.
love.graphics.isGammaCorrect	Gets whether gamma-correct rendering is enabled.
love.graphics.isSupported	Checks for the support of graphics related functions.
love.graphics.isWireframe	Gets whether wireframe mode is used when drawing.
love.graphics.line	Draws lines between points.
love.graphics.newArrayImage	Creates a new array Image.
love.graphics.newCanvas	Creates a new Canvas.
love.graphics.newCubeImage	Creates a new cubemap Image.
love.graphics.newFont	Creates a new Font from a TrueType Font or BMFont file.
love.graphics.newFramebuffer	Creates a new Framebuffer.
love.graphics.newImage	Creates a new Image.
love.graphics.newImageFont	Creates a new Font by loading a specifically formatted image.
love.graphics.newMesh	Creates a new Mesh.
love.graphics.newParticleSystem	Creates a new ParticleSystem.
love.graphics.newPixelEffect	Creates a new PixelEffect.
love.graphics.newQuad	Creates a new Quad.
love.graphics.newScreenshot	Creates a screenshot and returns the ImageData.
love.graphics.newShader	Creates a new Shader.
love.graphics.newSpriteBatch	Creates a new SpriteBatch.
love.graphics.newStencil	Creates a new stencil.
love.graphics.newText	Creates a new drawable Text object.
love.graphics.newVideo	Creates a new Video.
love.graphics.newVolumeImage	Creates a new volume Image.
love.graphics.origin	Resets the current coordinate transformation.
love.graphics.point	Draws a point.
love.graphics.points	Draws one or more points.
love.graphics.polygon	Draw a polygon.
love.graphics.pop	Pops the current coordinate transformation from the transformation stack.
love.graphics.present	Displays the results of drawing operations on the screen.
love.graphics.print	Draws text on screen. If no Font is set, one will be created and set (once) if needed.
love.graphics.printf	Draws formatted text, with word wrap and alignment.
love.graphics.push	Copies and pushes the current coordinate transformation to the transformation stack.
love.graphics.quad	Draws a quadrilateral shape.
love.graphics.rectangle	Draws a rectangle.
love.graphics.replaceTransform	Replaces the current coordinate transformation with the given Transform object.
love.graphics.reset	Resets the current graphics settings.
love.graphics.rotate	Rotates the coordinate system in two dimensions.
love.graphics.scale	Scales the coordinate system in two dimensions.
love.graphics.setBackgroundColor	Sets the background color.
love.graphics.setBlendMode	Sets the blending mode.
love.graphics.setCanvas	Captures drawing operations to a Canvas
love.graphics.setCaption	Sets the window caption.
love.graphics.setColor	Sets the color used for drawing.
love.graphics.setColorMask	Sets the color mask. Enables or disables specific color components when rendering.
love.graphics.setColorMode	Sets the color mode (which controls how images are affected by the current color).
love.graphics.setDefaultFilter	Sets the default scaling filters used with Images, Canvases, and Fonts.
love.graphics.setDefaultImageFilter	Sets the default scaling filters.
love.graphics.setDepthMode	Configures depth testing and writing to the depth buffer.
love.graphics.setFont	Set an already-loaded Font as the current font.
love.graphics.setFrontFaceWinding	Sets whether triangles with clockwise- or counterclockwise-ordered vertices are considered front-facing.
love.graphics.setIcon	Set window icon.
love.graphics.setInvertedStencil	Defines an inverted stencil.
love.graphics.setLine	Sets the line width and style.
love.graphics.setLineJoin	Sets the line join style.
love.graphics.setLineStipple	Sets the line stipple pattern.
love.graphics.setLineStyle	Sets the line style.
love.graphics.setLineWidth	Sets the line width.
love.graphics.setMeshCullMode	Sets whether back-facing triangles in a Mesh are culled.
love.graphics.setMode	Changes the display mode.
love.graphics.setNewFont	Creates and sets a new Font.
love.graphics.setPixelEffect	Routes drawing operations through a pixel shader.
love.graphics.setPoint	Sets the point size and style.
love.graphics.setPointSize	Sets the point size.
love.graphics.setPointStyle	Sets the point style.
love.graphics.setRenderTarget	Captures drawing operations to a Framebuffer
love.graphics.setScissor	Sets or disables scissor.
love.graphics.setShader	Routes drawing operations through a shader.
love.graphics.setStencil	Defines or releases a stencil.
love.graphics.setStencilTest	Configures or disables stencil testing.
love.graphics.setWireframe	Sets whether wireframe lines will be used when drawing.
love.graphics.shear	Shears the coordinate system.
love.graphics.stencil	Draws geometry as a stencil.
love.graphics.toggleFullscreen	Toggles fullscreen.
love.graphics.transformPoint	Converts the given 2D position from global coordinates into screen-space.
love.graphics.translate	Translates the coordinate system in two dimensions.
love.graphics.triangle	Draws a triangle.
love.graphics.validateShader	Validates shader code.

Enums

AlignMode	Text alignment.
ArcType	Different types of arcs that can be drawn.
AttributeDataType	Data types used in a Mesh's vertex format.
BlendAlphaMode	Different ways alpha affects color blending.
BlendMode	Different ways to do color blending.
BufferDataUsage	Usage hints for SpriteBatches, Meshes, and GraphicsBuffers to optimize data storage and access.
CanvasFormat	Canvas texture formats.
ColorMode	Controls how drawn images are affected by current color.
CompareMode	Different types of stencil test and depth test comparisons.
CullMode	How Mesh geometry is culled when rendering.
DrawMode	Controls whether shapes are drawn as an outline, or filled.
FilterMode	How the image is filtered when scaling.
GraphicsFeature	Graphics features that can be checked for with love.graphics.getSupported.
GraphicsLimit	Types of system-dependent graphics limits.
IndexDataType	Vertex map datatype.
LineJoin	Line join style.
LineStyle	The styles in which lines are drawn.
MeshDrawMode	How a Mesh's vertices are used when drawing.
MipmapMode	Controls whether a Canvas has mipmaps, and its behaviour when it does.
PixelFormat	Pixel formats for Textures, ImageData, and CompressedImageData.
PointStyle	How points should be drawn.
StackType	Graphics state stack types used with love.graphics.push.
StencilAction	How a stencil function modifies the stencil values of pixels it touches.
TextureFormat	Controls the canvas texture format.
TextureType	Types of textures (2D, cubemap, etc.)
VertexAttributeStep	The frequency at which a vertex shader fetches the vertex attribute's data from the Mesh when it's drawn.
VertexWinding	Vertex winding.
WrapMode	How the image wraps inside a large Quad.

See Also

• love (简体中文)

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