From bd28e62c33a767f2d4f1a30ffdfc715e38318c3a Mon Sep 17 00:00:00 2001
From: Naman Sood <mail@nsood.in>
Date: Fri, 17 Dec 2021 04:21:17 -0500
Subject: [PATCH] server: use fixed-size social media images
Signed-off-by: Naman Sood <mail@nsood.in>
---
server.go | 23 +++++------------------
1 file changed, 5 insertions(+), 18 deletions(-)
diff --git a/server.go b/server.go
index 2ea124b..6d1a778 100644
--- a/server.go
+++ b/server.go
@@ -4,7 +4,6 @@ import (
"bytes"
"io"
"log"
- "math"
"net/http"
"strings"
"sync"
@@ -206,15 +205,13 @@ func (s *server) loadStylesheet(res http.ResponseWriter, req *http.Request, file
}
func createImage(title, summary, url string, out io.Writer) error {
- imgWidth, imgPaddingX, imgPaddingY := 1200, 45, 90
- accentHeight := 7.5
+ imgWidth, imgHeight, imgPaddingX, imgPaddingY := 1200, 630, 45, 90
+ accentHeight, spacerHeight := 7.5, 20.0
titleSize, summarySize, urlSize := 63.0, 42.0, 27.0
- lineHeight := 1.5
+ lineHeight := 1.05
textWidth := float64(imgWidth - 2*imgPaddingX)
- // temporarily set height = 0 for context only used to generate
- // wrapped strings
- draw := gg.NewContext(imgWidth, 0)
+ draw := gg.NewContext(imgWidth, imgHeight)
titleFont, err := gg.LoadFontFace("fonts/Nunito-Bold.ttf", titleSize)
if err != nil {
@@ -234,17 +231,6 @@ func createImage(title, summary, url string, out io.Writer) error {
draw.SetFontFace(summaryFont)
wrappedSummary := draw.WordWrap(summary, textWidth)
- imgHeight := 2 * imgPaddingY
- for range wrappedTitle {
- imgHeight += int(math.Ceil(lineHeight * titleSize))
- }
- for range wrappedSummary {
- imgHeight += int(math.Ceil(lineHeight * summarySize))
- }
- imgHeight += int(math.Ceil(lineHeight * urlSize))
-
- // actual context with actual height
- draw = gg.NewContext(imgWidth, imgHeight)
draw.SetHexColor("#fff")
draw.DrawRectangle(0, 0, float64(imgWidth), float64(imgHeight))
draw.Fill()
@@ -260,6 +246,7 @@ func createImage(title, summary, url string, out io.Writer) error {
draw.DrawString(line, float64(imgPaddingX), offset)
offset += lineHeight * titleSize
}
+ offset += spacerHeight
draw.SetFontFace(summaryFont)
draw.SetHexColor("#999")