g5

package module

v0.0.0-...-e2fbd68 Latest Latest Go to latest Published: Sep 5, 2020 License: MIT Imports: 13 Imported by: 2

Details

Valid go.mod file

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Tagged version

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Repository

github.com/amortaza/go-g5

Links

Open Source Insights

README ¶

Package `g5`

g5 graphics library implemented over chsc/gogl/gl33

Main contribution of this g5 is Canvas

Installation

go get -u github.com/amortaza/go-g5

Documentation ¶

Index ¶

Variables
func Clear(red, green, blue float32)
func DrawCanvasRect(canvas *Canvas, left, top, width, height int, alphas []float32)
func DrawColorRect1v(left, top, width, height int, color []float32)
func DrawColorRect3f(left, top, width, height int, r, g, b float32)
func DrawColorRect4f(left, top, width, height int, r, g, b, a float32)
func DrawColorRect4v(left, top, width, height int, leftTopColor []float32, rightTopColor []float32, ...)
func DrawTextureRect(texture *Texture, left, top, width, height int, alphas []float32)
func DrawTextureRectUpsideDown(texture *Texture, left, top, width, height int, alphas []float32)
func Init()
func PopOrtho()
func PopView()
func PopViewport()
func PushOrtho(width, height int)
func PushView(width, height int)
func PushViewport(width, height int)
func Uninit()
type Canvas
- func NewCanvas(width, height int) *Canvas
- func (c *Canvas) Begin()
- func (c *Canvas) Clear(red, green, blue float32)
- func (c *Canvas) End()
- func (c *Canvas) Free()
- func (c *Canvas) GetHeight() int
- func (c *Canvas) GetWidth() int
- func (c *Canvas) Paint(seeThru bool, left, top int, alphas []float32)
type Texture
- func NewTexture() *Texture
- func (t *Texture) Activate(texUnit gl.Enum)
- func (t *Texture) Allocate(width, height int)
- func (t *Texture) Deactivate()
- func (t *Texture) Free()
- func (t *Texture) LoadBytes_RGBA(width, height int, bytes []uint8)
- func (t *Texture) LoadImage(filename string)
type TextureMultiSampled
- func NewTextureMultiSampled(width, height int) *TextureMultiSampled
- func (t *TextureMultiSampled) Activate(texUnit gl.Enum)
- func (t *TextureMultiSampled) Deactivate()
- func (t *TextureMultiSampled) Free()

Constants ¶

This section is empty.

Variables ¶

View Source

var Const_3Ones = []float32{1, 1, 1}

View Source

var Const_3Zeroes = []float32{0, 0, 0}

View Source

var Const_4Ones = []float32{1, 1, 1, 1}

View Source

var Const_4Zeroes = []float32{0, 0, 0, 0}

Functions ¶

func Clear ¶

func Clear(red, green, blue float32)

func DrawCanvasRect ¶

func DrawCanvasRect(
	canvas *Canvas,
	left, top, width, height int,
	alphas []float32)

func DrawColorRect1v ¶

func DrawColorRect1v(
	left, top, width, height int,
	color []float32)

func DrawColorRect3f ¶

func DrawColorRect3f(
	left, top, width, height int,
	r, g, b float32)

func DrawColorRect4f ¶

func DrawColorRect4f(
	left, top, width, height int,
	r, g, b, a float32)

func ClearRect(

	width, height int,
	red, green, blue float32 ) {

	g_colorRect.DrawSolid(0, 0, width, height, red, green, blue, (*gl.Float)(&g_projection[0]))
}

func DrawColorRect4v ¶

func DrawColorRect4v(
	left, top, width, height int,
	leftTopColor []float32,
	rightTopColor []float32,
	rightBottomColor []float32,
	leftBottomColor []float32)

func DrawTextureRect ¶

func DrawTextureRect(
	texture *Texture,
	left, top, width, height int,
	alphas []float32)

func DrawTextureRectUpsideDown ¶

func DrawTextureRectUpsideDown(
	texture *Texture,
	left, top, width, height int,
	alphas []float32)

func Init ¶

func Init()

func PopOrtho ¶

func PopOrtho()

func PopView ¶

func PopView()

func PopViewport ¶

func PopViewport()

func PushOrtho ¶

func PushOrtho(width, height int)

func PushView ¶

func PushView(width, height int)

func PushViewport ¶

func PushViewport(width, height int)

func Uninit ¶

func Uninit()

Types ¶

type Canvas ¶

type Canvas struct {
	Width, Height int
	// contains filtered or unexported fields
}

func NewCanvas ¶

func NewCanvas(width, height int) *Canvas

func (*Canvas) Begin ¶

func (c *Canvas) Begin()

func (*Canvas) Clear ¶

func (c *Canvas) Clear(red, green, blue float32)

func (*Canvas) End ¶

func (c *Canvas) End()

func (*Canvas) Free ¶

func (c *Canvas) Free()

func (*Canvas) GetHeight ¶

func (c *Canvas) GetHeight() int

func (*Canvas) GetWidth ¶

func (c *Canvas) GetWidth() int

func (*Canvas) Paint ¶

func (c *Canvas) Paint(seeThru bool, left, top int, alphas []float32)

type Texture ¶

type Texture struct {
	TextureId gl.Uint

	Width, Height int
	// contains filtered or unexported fields
}

func NewTexture ¶

func NewTexture() *Texture

func (*Texture) Activate ¶

func (t *Texture) Activate(texUnit gl.Enum)

func (*Texture) Allocate ¶

func (t *Texture) Allocate(width, height int)

func (*Texture) Deactivate ¶

func (t *Texture) Deactivate()

func (*Texture) Free ¶

func (t *Texture) Free()

func (*Texture) LoadBytes_RGBA ¶

func (t *Texture) LoadBytes_RGBA(width, height int, bytes []uint8)

func (*Texture) LoadImage ¶

func (t *Texture) LoadImage(filename string)

type TextureMultiSampled ¶

type TextureMultiSampled struct {
	TextureId gl.Uint

	Width, Height int
	// contains filtered or unexported fields
}

func NewTextureMultiSampled ¶

func NewTextureMultiSampled(width, height int) *TextureMultiSampled

func (*TextureMultiSampled) Activate ¶

func (t *TextureMultiSampled) Activate(texUnit gl.Enum)

func (*TextureMultiSampled) Deactivate ¶

func (t *TextureMultiSampled) Deactivate()

func (*TextureMultiSampled) Free ¶

func (t *TextureMultiSampled) Free()

Source Files ¶

View all Source files

Directories ¶

Path	Synopsis
example
1-clear
2-color
3-texture
4-canvas/1
4-canvas/2
4-canvas/3

?	: This menu
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f or F	: Jump to
y or Y	: Canonical URL

README ¶

Package g5

Installation

Documentation ¶

Index ¶

Constants ¶

Variables ¶

Functions ¶

func Clear ¶

func DrawCanvasRect ¶

func DrawColorRect1v ¶

func DrawColorRect3f ¶

func DrawColorRect4f ¶

func DrawColorRect4v ¶

func DrawTextureRect ¶

func DrawTextureRectUpsideDown ¶

func Init ¶

func PopOrtho ¶

func PopView ¶

func PopViewport ¶

func PushOrtho ¶

func PushView ¶

func PushViewport ¶

func Uninit ¶

Types ¶

type Canvas ¶

func NewCanvas ¶

func (*Canvas) Begin ¶

func (*Canvas) Clear ¶

func (*Canvas) End ¶

func (*Canvas) Free ¶

func (*Canvas) GetHeight ¶

func (*Canvas) GetWidth ¶

func (*Canvas) Paint ¶

type Texture ¶

func NewTexture ¶

func (*Texture) Activate ¶

func (*Texture) Allocate ¶

func (*Texture) Deactivate ¶

func (*Texture) Free ¶

func (*Texture) LoadBytes_RGBA ¶

func (*Texture) LoadImage ¶

type TextureMultiSampled ¶

func NewTextureMultiSampled ¶

func (*TextureMultiSampled) Activate ¶

func (*TextureMultiSampled) Deactivate ¶

func (*TextureMultiSampled) Free ¶

Source Files ¶

Directories ¶

Package `g5`