graphics

Feb 3, 2018

Changes in this version

+ func ResetGLState() error

+ type Filter int

+ const FilterLinear

+ const FilterNearest

+ const FilterNone

Jun 9, 2017

Changes in this version

+ const MaxImageSize

+ func CopyImage(origImg image.Image) *image.RGBA

+ func QuadVertexSizeInBytes() int

Feb 25, 2019

Changes in this version

+ func FlushCommands(context *opengl.Context) error

+ func Reset(context *opengl.Context) error

+ type Image struct

+ func NewImage(width, height int, filter opengl.Filter) (*Image, error)

+ func NewImageFromImage(img *image.RGBA, filter opengl.Filter) (*Image, error)

+ func NewScreenFramebufferImage(width, height int) (*Image, error)

+ func (i *Image) Dispose() error

+ func (i *Image) DrawImage(src *Image, vertices []int16, geo, clr Matrix, mode opengl.CompositeMode) error

+ func (i *Image) Fill(clr color.RGBA) error

+ func (i *Image) IsInvalidated(context *opengl.Context) bool

+ func (i *Image) Pixels(context *opengl.Context) ([]uint8, error)

+ func (i *Image) ReplacePixels(p []uint8) error

+ func (i *Image) Size() (int, int)

May 14, 2016

Changes in this version

+ const MaxQuads

+ func NextPowerOf2Int32(x int32) int32

type Framebuffer

+ func (f *Framebuffer) ReplacePixels(c *opengl.Context, t *Texture, p []uint8) error

Feb 28, 2016

Changes in this version

+ func NextPowerOf2Int(x int) int

+ type Framebuffer struct

+ func NewFramebufferFromTexture(c *opengl.Context, texture *Texture) (*Framebuffer, error)

+ func NewZeroFramebuffer(c *opengl.Context, width, height int) (*Framebuffer, error)

+ func (f *Framebuffer) Dispose(c *opengl.Context)

+ func (f *Framebuffer) DrawTexture(c *opengl.Context, t *Texture, quads TextureQuads, geo, clr Matrix) error

+ func (f *Framebuffer) Fill(c *opengl.Context, clr color.Color) error

+ func (f *Framebuffer) Pixels(c *opengl.Context) ([]uint8, error)

+ func (f *Framebuffer) Size() (width, height int)

+ type Lines interface

+ Color func(i int) color.Color

+ Len func() int

+ Points func(i int) (x0, y0, x1, y1 int)

+ type Matrix interface

+ Element func(i, j int) float64

+ type Rects interface

+ Color func(i int) color.Color

+ Len func() int

+ Rect func(i int) (x, y, width, height int)

+ type Texture struct

+ func NewTexture(c *opengl.Context, width, height int, filter opengl.Filter) (*Texture, error)

+ func NewTextureFromImage(c *opengl.Context, img image.Image, filter opengl.Filter) (*Texture, error)

+ func (t *Texture) Dispose(c *opengl.Context)

+ func (t *Texture) ReplacePixels(c *opengl.Context, p []uint8) error

+ func (t *Texture) Size() (width, height int)

+ type TextureQuads interface

+ Len func() int

+ SetVertices func(vertices []int16) int