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background and foreground colors.

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This commit is contained in:
fiatjaf
2023-11-19 18:31:59 -03:00
parent 1448d4d53c
commit 3565a9d228
1 changed files with 11 additions and 3 deletions
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14
render_image.go
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@@ -23,10 +23,16 @@ const (
MAX_CHARS_PER_LINE = 52 MAX_CHARS_PER_LINE = 52
MAX_CHARS_PER_QUOTE_LINE = 48 MAX_CHARS_PER_QUOTE_LINE = 48
FONT_SIZE = 7 FONT_SIZE = 7
FONT_DPI = 300
BLOCK = "|" BLOCK = "|"
) )
var (
BACKGROUND = color.RGBA{20, 29, 39, 255}
FOREGROUND = color.RGBA{142, 212, 249, 255}
)
//go:embed fonts/* //go:embed fonts/*
var fonts embed.FS var fonts embed.FS
@@ -164,17 +170,19 @@ func drawImage(lines []string, ttf *truetype.Font, style Style) (image.Image, er
} }
img := gg.NewContext(width, height) img := gg.NewContext(width, height)
img.SetColor(color.Black) img.SetColor(BACKGROUND)
img.Clear()
img.SetColor(FOREGROUND)
img.SetFontFace(truetype.NewFace(ttf, &truetype.Options{ img.SetFontFace(truetype.NewFace(ttf, &truetype.Options{
Size: FONT_SIZE, Size: FONT_SIZE,
DPI: 300, DPI: FONT_DPI,
Hinting: font.HintingFull, Hinting: font.HintingFull,
})) }))
for i, line := range lines { for i, line := range lines {
img.DrawStringWrapped(line, img.DrawStringWrapped(line,
float64(10+paddingLeft), float64(10+paddingLeft),
float64(10+(i*FONT_SIZE*300*256.0/72.0)>>8), float64(10+(i*FONT_SIZE*FONT_DPI*256.0/72.0)>>8),
0, 0, 0, 0,
float64(width-10-paddingLeft), float64(width-10-paddingLeft),
float64(height-10), gg.AlignLeft, float64(height-10), gg.AlignLeft,