imagedd/main.go

package main

import (
	"bytes"
	"image"
	"image/color"
	"image/png"
	"log"
	"math"
	"os"

	"git.lxtend.com/lixiangwuxian/imagedd/sprite"
	"git.lxtend.com/lixiangwuxian/imagedd/text2img"
)

func main() {
	board := sprite.NewNamedSpriteBoard()
	{
		whiteBackground := image.NewRGBA(image.Rect(0, 0, 200, 200))
		for i := range whiteBackground.Bounds().Dx() {
			for j := range whiteBackground.Bounds().Dy() {
				whiteBackground.Set(i, j, color.White)
			}
		}
		board.AddSprite(&sprite.Sprite{
			Name:         "background",
			Images:       []image.Image{whiteBackground},
			CurrentFrame: 0,
			Index:        0,
			Position:     image.Point{X: 0, Y: 0},
		})
	}
	{
		wordSprite := &sprite.Sprite{
			Name:         "word",
			Images:       []image.Image{},
			CurrentFrame: 0,
			Index:        5,
			Position:     image.Point{X: -30, Y: 30},
		}
		img, err := text2img.RenderCharToImage(nil, '🤣', 40, color.Black)
		if err != nil {
			log.Fatal(err)
		}
		wordSprite.AddFrame(img)
		board.AddSprite(wordSprite)
	}
	{
		textSprite := &sprite.Sprite{
			Name:         "text",
			Images:       []image.Image{},
			CurrentFrame: 0,
			Index:        5,
			Position:     image.Point{X: 10, Y: 12},
		}
		img, err := text2img.RenderTextToTrimmedImage(nil, "ddjdgj测试\n测试📧测✌试测\n试🥳🧁🍰\n🎁🎂🎈🎺🎉🎊\n📧🧿🌶adadadada🔋😂❤😍🤣😊🥺\n🙏💕😭😘👍\n😅👏测试测试", 12, color.Black, 0, 0)
		if err != nil {
			log.Fatal(err)
		}
		textSprite.AddFrame(img)
		board.AddSprite(textSprite)
	}
	{
		faceBytes, err := os.ReadFile("face.png")
		if err != nil {
			log.Fatal(err)
		}
		faceImage, err := png.Decode(bytes.NewReader(faceBytes))
		if err != nil {
			log.Fatal(err)
		}
		faceSprite := &sprite.Sprite{
			Name:         "face",
			Images:       []image.Image{faceImage},
			CurrentFrame: 0,
			Index:        1,
			Position:     image.Point{X: -100, Y: -100},
		}
		faceSprite.Rotate(math.Pi / 2)
		board.AddSprite(faceSprite)
	}
	{
		rect := image.NewRGBA(image.Rect(0, 0, 101, 101))
		rectSprite := &sprite.Sprite{
			Name:         "rect",
			Images:       []image.Image{rect},
			CurrentFrame: 0,
			Index:        20,
			Position:     image.Point{X: 20, Y: 20},
		}
		lineL := &sprite.Line{
			Start: image.Point{X: 0, Y: 100},
			End:   image.Point{X: 50, Y: 0},
			Width: 1,
			Color: color.RGBA{0, 0, 0, 255},
		}
		lineL.AddToSprite(rectSprite)
		lineR := &sprite.Line{
			Start: image.Point{X: 100, Y: 100},
			End:   image.Point{X: 50, Y: 0},
			Width: 1,
			Color: color.RGBA{0, 0, 0, 255},
		}
		lineR.AddToSprite(rectSprite)
		lineB := &sprite.Line{
			Start: image.Point{X: 0, Y: 100},
			End:   image.Point{X: 100, Y: 100},
			Width: 1,
			Color: color.RGBA{0, 0, 0, 255},
		}
		lineB.AddToSprite(rectSprite)
		board.AddSprite(rectSprite)
	}
	{
		circleSprite := &sprite.Sprite{
			Name:         "circle",
			Images:       []image.Image{image.NewRGBA(image.Rect(0, 0, 101, 101))},
			CurrentFrame: 0,
			Index:        3,
			Position:     image.Point{X: 30, Y: 20},
		}
		for r := 15.0; r < 45.0; r += 0.01 {
			circle := &sprite.Circle{
				Center: image.Point{X: 50, Y: 50},
				Radius: r,
				Color:  color.RGBA{0, 0, 255, 255},
			}
			circle.AddToSprite(circleSprite)
		}
		board.AddSprite(circleSprite)
	}
	{
		gifSprite := &sprite.Sprite{
			Name:         "gif",
			Images:       []image.Image{},
			CurrentFrame: 0,
			Index:        4,
			Position:     image.Point{X: 40, Y: 20},
		}
		gifImage, delays, err := sprite.LoadImageFile("nailong.gif")
		if err != nil {
			log.Fatal(err)
		}
		gifSprite.SetFrames(gifImage)
		gifSprite.Delay = delays
		board.AddSprite(gifSprite)
	}
	board.SaveToPng("test.png")
	if err := board.SaveToGIF("test.gif"); err != nil {
		log.Fatal(err)
	}
}