hatter/tools
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

update image options

Browse Source
This commit is contained in:
Hatter Jiang
2026-03-11 00:00:19 +08:00
parent 9fc2a50e8e
commit 27510a29d4
1 changed files with 27 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
image-scale-and-addwatermark/main.go
View File

@@ -26,6 +26,7 @@ func addWatermark(img *image.RGBA, text string, textColor color.Color, bgColor c
fmt.Println("Error parsing font collection:", err) fmt.Println("Error parsing font collection:", err)
return return
} }
ttFont, err := ttCollection.Font(0) ttFont, err := ttCollection.Font(0)
if err != nil { if err != nil {
fmt.Println("Error getting font from collection:", err) fmt.Println("Error getting font from collection:", err)
@@ -67,7 +68,7 @@ func addWatermark(img *image.RGBA, text string, textColor color.Color, bgColor c
d.DrawString(text) d.DrawString(text)
} }
func scaleAndAddWatermark(inputImagePath, outputImagePath string, scaleSize int, watermarkText string) { func scaleAndAddWatermark(inputImagePath, outputImagePath string, options ImageOptions) {
file, err := os.Open(inputImagePath) file, err := os.Open(inputImagePath)
if err != nil { if err != nil {
fmt.Println("Error opening file:", err) fmt.Println("Error opening file:", err)
@@ -87,11 +88,11 @@ func scaleAndAddWatermark(inputImagePath, outputImagePath string, scaleSize int,
fmt.Printf("Image %s, width: %d, height: %d\n", inputImagePath, width, height) fmt.Printf("Image %s, width: %d, height: %d\n", inputImagePath, width, height)
var resizedImg image.Image var resizedImg image.Image
if width > scaleSize && height > scaleSize { if width > options.ScaleSize && height > options.ScaleSize {
if width < height { if width < height {
resizedImg = resize.Resize(uint(scaleSize), 0, img, resize.Lanczos3) resizedImg = resize.Resize(uint(options.ScaleSize), 0, img, resize.Lanczos3)
} else { } else {
resizedImg = resize.Resize(0, uint(scaleSize), img, resize.Lanczos3) resizedImg = resize.Resize(0, uint(options.ScaleSize), img, resize.Lanczos3)
} }
} else { } else {
resizedImg = img resizedImg = img
@@ -109,10 +110,12 @@ func scaleAndAddWatermark(inputImagePath, outputImagePath string, scaleSize int,
} }
} }
// 添加水印（使用柔和的深灰色文字和米白色背景） if options.WatermarkText != "" {
softTextColor := color.RGBA{R: 60, G: 60, B: 60, A: 255} // 添加水印（使用柔和的深灰色文字和米白色背景）
softBgColor := color.RGBA{R: 250, G: 250, B: 245, A: 255} softTextColor := color.RGBA{R: 60, G: 60, B: 60, A: 255}
addWatermark(rgbaImg, watermarkText, softTextColor, softBgColor) softBgColor := color.RGBA{R: 250, G: 250, B: 245, A: 255}
addWatermark(rgbaImg, options.WatermarkText, softTextColor, softBgColor)
}
outFile, err := os.Create(outputImagePath) outFile, err := os.Create(outputImagePath)
if err != nil { if err != nil {
@@ -122,7 +125,7 @@ func scaleAndAddWatermark(inputImagePath, outputImagePath string, scaleSize int,
defer outFile.Close() defer outFile.Close()
err = jpeg.Encode(outFile, rgbaImg, &jpeg.Options{ err = jpeg.Encode(outFile, rgbaImg, &jpeg.Options{
Quality: 95, Quality: options.Quality,
}) })
if err != nil { if err != nil {
fmt.Println("Error encoding image:", err) fmt.Println("Error encoding image:", err)
@@ -132,11 +135,19 @@ func scaleAndAddWatermark(inputImagePath, outputImagePath string, scaleSize int,
fmt.Println("Image processed and saved as", filepath.Base(outputImagePath)) fmt.Println("Image processed and saved as", filepath.Base(outputImagePath))
} }
func main() { type ImageOptions struct {
inputImagePath := "input.jpg" // 输入图片路径 Quality int
outputImagePath := "output.jpg" // 输出图片路径 ScaleSize int
WatermarkText string
imageSize := 1200 // 默认尺寸 }
scaleAndAddWatermark(inputImagePath, outputImagePath, imageSize, "email@example.com") func main() {
inputImagePath := "input.jpg"
outputImagePath := "output.jpg"
scaleAndAddWatermark(inputImagePath, outputImagePath, ImageOptions{
Quality: 95,
WatermarkText: "email@example.com",
ScaleSize: 1200,
})
} }