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🔥 drop writer

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This commit is contained in:
fumiama
2022-01-13 19:17:59 +08:00
parent f05f09d741
commit 107979c459
2 changed files with 17 additions and 35 deletions
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45
plugin_fortune/fortune.go
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@@ -7,14 +7,13 @@ import (
"encoding/hex"
"encoding/json"
"image"
"io"
"math/rand"
"os"
"strconv"
"sync"
"time"
"github.com/fogleman/gg"
"github.com/fogleman/gg" // 注册了 jpg png gif
"github.com/sirupsen/logrus"
zero "github.com/wdvxdr1123/ZeroBot"
"github.com/wdvxdr1123/ZeroBot/message"
@@ -24,7 +23,6 @@ import (
"github.com/FloatTech/zbputils/file"
"github.com/FloatTech/zbputils/math"
"github.com/FloatTech/zbputils/process"
"github.com/FloatTech/zbputils/txt2img"
)
var (
@@ -154,17 +152,8 @@ func init() {
}
dlmu.Lock()
f, err := os.Create(cachefile)
if err != nil {
ctx.SendChain(message.Text("ERROR: ", err))
_ = f.Close()
_ = os.Remove(cachefile)
dlmu.Unlock()
return
}
// 绘制背景
err = draw(background, title, text, f)
_ = f.Close()
err = draw(background, title, text, cachefile)
dlmu.Unlock()
if err != nil {
@@ -216,23 +205,22 @@ func randtext(seed int64) (string, string, error) {
// @param title 签名
// @param text 签文
// @return 错误信息
func draw(back image.Image, title, text string, dst io.Writer) error {
var txtc txt2img.TxtCanvas
txtc.Canvas = gg.NewContext(back.Bounds().Size().Y, back.Bounds().Size().X)
txtc.Canvas.DrawImage(back, 0, 0)
func draw(back image.Image, title, text, cachefile string) error {
canvas := gg.NewContext(back.Bounds().Size().Y, back.Bounds().Size().X)
canvas.DrawImage(back, 0, 0)
// 写标题
txtc.Canvas.SetRGB(1, 1, 1)
if err := txtc.Canvas.LoadFontFace(font, 45); err != nil {
canvas.SetRGB(1, 1, 1)
if err := canvas.LoadFontFace(font, 45); err != nil {
return err
}
sw, _ := txtc.Canvas.MeasureString(title)
txtc.Canvas.DrawString(title, 140-sw/2, 112)
sw, _ := canvas.MeasureString(title)
canvas.DrawString(title, 140-sw/2, 112)
// 写正文
txtc.Canvas.SetRGB(0, 0, 0)
if err := txtc.Canvas.LoadFontFace(font, 23); err != nil {
canvas.SetRGB(0, 0, 0)
if err := canvas.LoadFontFace(font, 23); err != nil {
return err
}
tw, th := txtc.Canvas.MeasureString("测")
tw, th := canvas.MeasureString("测")
tw, th = tw+10, th+10
r := []rune(text)
xsum := rowsnum(len(r), 9)
@@ -242,7 +230,7 @@ func draw(back image.Image, title, text string, dst io.Writer) error {
xnow := rowsnum(i+1, 9)
ysum := math.Min(len(r)-(xnow-1)*9, 9)
ynow := i%9 + 1
txtc.Canvas.DrawString(string(o), -offest(xsum, xnow, tw)+115, offest(ysum, ynow, th)+320.0)
canvas.DrawString(string(o), -offest(xsum, xnow, tw)+115, offest(ysum, ynow, th)+320.0)
}
case 2:
div := rowsnum(len(r), 2)
@@ -252,14 +240,13 @@ func draw(back image.Image, title, text string, dst io.Writer) error {
ynow := i%div + 1
switch xnow {
case 1:
txtc.Canvas.DrawString(string(o), -offest(xsum, xnow, tw)+115, offest(9, ynow, th)+320.0)
canvas.DrawString(string(o), -offest(xsum, xnow, tw)+115, offest(9, ynow, th)+320.0)
case 2:
txtc.Canvas.DrawString(string(o), -offest(xsum, xnow, tw)+115, offest(9, ynow+(9-ysum), th)+320.0)
canvas.DrawString(string(o), -offest(xsum, xnow, tw)+115, offest(9, ynow+(9-ysum), th)+320.0)
}
}
}
_, err := txtc.WriteTo(dst)
return err
return canvas.SavePNG(cachefile)
}
func offest(total, now int, distance float64) float64 {