feat: 喜报不要求保证同一条消息

service/xibao/image_gen.go

@@ -1,14 +1,15 @@
 package xibao
 
 import (
-	"fmt"
 	"log"
+	"os"
 	"strings"
 
 	"git.lxtend.com/qqbot/model"
 	"git.lxtend.com/qqbot/util"
 	"github.com/fogleman/gg"
 	"github.com/google/uuid"
+	"golang.org/x/image/font/opentype"
 )
 
 func GenerateCongratulationImage(text string, inputFile, outputFile string, isGood bool) {
@@ -51,8 +52,8 @@ func GenerateCongratulationImage(text string, inputFile, outputFile string, isGo
 		scaleFactor := 1.0
 
 		// 根据高度比例进行缩放
-		if float64(heightC) > float64(height)/1.5 {
-			scaleFactor = (float64(height) / 1.5) / float64(heightC)
+		if float64(heightC) > float64(height)/1.8 {
+			scaleFactor = (float64(height) / 1.8) / float64(heightC)
 		}
 
 		// 根据宽度比例进行缩放
@@ -64,10 +65,10 @@ func GenerateCongratulationImage(text string, inputFile, outputFile string, isGo
 		if heightC < height/5 && widthC < width/4 {
 			if float64(widthC)*(float64(height)/5)/float64(heightC) > float64(width/4) {
 				scaleFactor = (float64(height) / 5) / float64(heightC)
-				log.Print(fmt.Sprintf("图片高度过小，已缩放至高度的 %f 倍", scaleFactor))
+				// log.Print(fmt.Sprintf("图片高度过小，已缩放至高度的 %f 倍", scaleFactor))
 			} else {
 				scaleFactor = (float64(width) / 4) / float64(widthC)
-				log.Print(fmt.Sprintf("图片宽度过小，已缩放至宽度的 %f 倍", scaleFactor))
+				// log.Print(fmt.Sprintf("图片宽度过小，已缩放至宽度的 %f 倍", scaleFactor))
 			}
 		}
 
@@ -90,10 +91,43 @@ func GenerateCongratulationImage(text string, inputFile, outputFile string, isGo
 	}
 
 	// 设置字体和大小，字体文件需要自备，放在合适的路径
+	// if err := dc.LoadFontFace("./resource/emoji.ttf", 96); err != nil {
+	// 	log.Print("无法加载字体:", err)
+	// 	return
+	// }
+	fontBytes, err := os.ReadFile("./resource/emoji.ttf")
+	if err != nil {
+		log.Print("failed to load font: %v", err)
+	}
+
+	// 解析字体
+	font, err := opentype.Parse(fontBytes)
+	if err != nil {
+		log.Print("failed to parse font: %v", err)
+	}
+
+	// 设置字体大小和 DPI
+	const fontSize = 48
+	const dpi = 72
+
+	// 创建 font.Face，用于渲染文本
+	face, err := opentype.NewFace(font, &opentype.FaceOptions{
+		Size:    fontSize,
+		DPI:     dpi,
+		Hinting: 0,
+	})
+	if err != nil {
+		log.Print("failed to create font face: %v", err)
+		return
+	}
+
+	dc.SetFontFace(face)
+
 	if err := dc.LoadFontFace("./resource/font.ttf", 96); err != nil {
 		log.Print("无法加载字体:", err)
 		return
 	}
+
 	if isGood {
 		// 设置文本颜色为红色
 		dc.SetRGB(0.8, 0, 0)