margin.at
Write on the margins of the internet. Powered by the AT Protocol.
margin.at
extension
web
atproto
comments
better looks for annotation/bookmark OG images
scanash.com
+25
-37
+25
-37
backend/internal/api/og.go
+25
-37
backend/internal/api/og.go
···
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func generateOGImagePNG(author, text, quote, source, avatarURL string) image.Image {
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width := 1200
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height := 630
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-
padding := 120
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padding := 100
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bgPrimary := color.RGBA{12, 10, 20, 255}
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accent := color.RGBA{168, 85, 247, 255}
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textPrimary := color.RGBA{244, 240, 255, 255}
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textSecondary := color.RGBA{168, 158, 200, 255}
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textTertiary := color.RGBA{107, 95, 138, 255}
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border := color.RGBA{45, 38, 64, 255}
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img := image.NewRGBA(image.Rect(0, 0, width, height))
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draw.Draw(img, img.Bounds(), &image.Uniform{bgPrimary}, image.Point{}, draw.Src)
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draw.Draw(img, image.Rect(0, 0, width, 6), &image.Uniform{accent}, image.Point{}, draw.Src)
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draw.Draw(img, image.Rect(0, 0, width, 12), &image.Uniform{accent}, image.Point{}, draw.Src)
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if logoImage != nil {
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logoHeight := 50
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logoWidth := int(float64(logoImage.Bounds().Dx()) * (float64(logoHeight) / float64(logoImage.Bounds().Dy())))
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drawScaledImage(img, logoImage, padding, 80, logoWidth, logoHeight)
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} else {
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drawText(img, "Margin", padding, 120, accent, 36, true)
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}
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avatarSize := 64
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avatarX := padding
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avatarY := padding
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avatarSize := 80
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avatarX := padding
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avatarY := 180
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avatarImg := fetchAvatarImage(avatarURL)
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if avatarImg != nil {
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drawCircularAvatar(img, avatarImg, avatarX, avatarY, avatarSize)
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} else {
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drawDefaultAvatar(img, author, avatarX, avatarY, avatarSize, accent)
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}
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handleX := avatarX + avatarSize + 24
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drawText(img, author, handleX, avatarY+50, textSecondary, 24, false)
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yPos := 280
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draw.Draw(img, image.Rect(padding, yPos, width-padding, yPos+1), &image.Uniform{border}, image.Point{}, draw.Src)
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yPos += 40
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drawText(img, author, avatarX+avatarSize+24, avatarY+42, textSecondary, 28, false)
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contentWidth := width - (padding * 2)
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yPos := 220
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if text != "" {
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textLen := len(text)
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textSize := 32
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textSize := 32.0
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textLineHeight := 42
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maxTextLines := 6
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maxTextLines := 5
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if textLen > 200 {
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textSize = 28
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textSize = 28.0
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textLineHeight = 36
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maxTextLines = 7
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maxTextLines = 6
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}
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lines := wrapTextToWidth(text, contentWidth, textSize)
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lines := wrapTextToWidth(text, contentWidth, int(textSize))
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numLines := min(len(lines), maxTextLines)
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for i := 0; i < numLines; i++ {
···
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if i == numLines-1 && len(lines) > numLines {
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line += "..."
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}
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drawText(img, line, padding, yPos+(i*textLineHeight), textPrimary, float64(textSize), false)
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drawText(img, line, padding, yPos+(i*textLineHeight), textPrimary, textSize, false)
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}
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yPos += (numLines * textLineHeight) + 40
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}
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if quote != "" {
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quoteLen := len(quote)
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quoteSize := 24
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quoteSize := 24.0
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quoteLineHeight := 32
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maxQuoteLines := 2
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maxQuoteLines := 3
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if quoteLen > 150 {
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quoteSize = 20
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quoteSize = 20.0
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quoteLineHeight = 28
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maxQuoteLines = 3
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maxQuoteLines = 4
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}
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lines := wrapTextToWidth(quote, contentWidth-30, quoteSize)
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lines := wrapTextToWidth(quote, contentWidth-30, int(quoteSize))
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numLines := min(len(lines), maxQuoteLines)
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barHeight := numLines*quoteLineHeight + 10
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barHeight := numLines * quoteLineHeight
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draw.Draw(img, image.Rect(padding, yPos, padding+6, yPos+barHeight), &image.Uniform{accent}, image.Point{}, draw.Src)
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for i := 0; i < numLines; i++ {
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line := lines[i]
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isLast := i == numLines-1
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if isLast && len(lines) > numLines {
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if i == numLines-1 && len(lines) > numLines {
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line += "..."
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}
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drawText(img, "\""+line+"\"", padding+24, yPos+28+(i*quoteLineHeight), textTertiary, float64(quoteSize), true)
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drawText(img, line, padding+24, yPos+24+(i*quoteLineHeight), textSecondary, quoteSize, true)
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}
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yPos += 30 + (numLines * quoteLineHeight) + 30
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yPos += barHeight + 40
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}
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drawText(img, source, padding, 580, textTertiary, 20, false)
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draw.Draw(img, image.Rect(padding, yPos, width-padding, yPos+1), &image.Uniform{border}, image.Point{}, draw.Src)
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yPos += 40
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drawText(img, source, padding, yPos+32, textSecondary, 24, false)
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return img
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}