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Add a cut gradient to author name if it's too long

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This commit is contained in:
Daniele Tonon
2023-12-24 19:06:08 +01:00
parent ee076ef22b
commit bb3cfc1157
1 changed files with 16 additions and 6 deletions
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22
render_image.go
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@@ -34,8 +34,9 @@ const (
)
var (
BACKGROUND = color.RGBA{23, 23, 23, 255}
FOREGROUND = color.RGBA{255, 230, 238, 255}
BACKGROUND = color.RGBA{23, 23, 23, 255}
BAR_BACKGROUND = color.RGBA{10, 10, 10, 255}
FOREGROUND = color.RGBA{255, 230, 238, 255}
)
//go:embed fonts/*
@@ -248,8 +249,7 @@ func drawImage(lines []string, ttf *truetype.Font, style Style, metadata sdk.Pro
// Draw black bar at the bottom
barHeight := 70
veryDarkGray := color.RGBA{R: 10, G: 10, B: 10, A: 255}
img.SetColor(veryDarkGray)
img.SetColor(BAR_BACKGROUND)
img.DrawRectangle(0, float64(height-barHeight), float64(width), float64(barHeight))
img.Fill()
@@ -258,7 +258,7 @@ func drawImage(lines []string, ttf *truetype.Font, style Style, metadata sdk.Pro
gradientRectY := height - barHeight - gradientRectHeight
for y := 0; y < gradientRectHeight; y++ {
alpha := uint8(255 * (math.Pow(float64(y)/float64(gradientRectHeight), 2)))
img.SetRGBA255(23, 23, 23, int(alpha))
img.SetRGBA255(int(BACKGROUND.R), int(BACKGROUND.G), int(BACKGROUND.B), int(alpha))
img.DrawRectangle(0, float64(gradientRectY+y), float64(width), 1)
img.Fill()
}
@@ -276,8 +276,18 @@ func drawImage(lines []string, ttf *truetype.Font, style Style, metadata sdk.Pro
// Draw author's name
authorTextY := height - barHeight + 20
authorMaxWidth := width/2.0 - paddingLeft*2 - barExtraPadding
img.SetColor(color.White)
img.DrawStringWrapped(metadata.ShortName(), float64(authorTextX), float64(authorTextY), 0, 0, float64(width-authorTextX*2), 1.5, gg.AlignLeft)
img.DrawStringWrapped(metadata.ShortName(), float64(authorTextX), float64(authorTextY), 0, 0, float64(authorMaxWidth), 99, gg.AlignLeft)
// Create a gradient to cover too long names
gradientLenght := 100
for x := 0; x < gradientLenght; x++ {
alpha := uint8(255 - 255*(math.Pow(float64(x)/float64(gradientLenght), 2)))
img.SetRGBA255(int(BAR_BACKGROUND.R), int(BAR_BACKGROUND.G), int(BAR_BACKGROUND.B), int(alpha))
img.DrawRectangle(float64(authorTextX+authorMaxWidth-x), float64(height-barHeight), 1, float64(barHeight))
img.Fill()
}
// Draw the logo
logo, _ := static.ReadFile("static/logo.png")