Everything should be working decently now!

emoji.go

@@ -2,11 +2,17 @@ package freetype
 
 import (
 	"fmt"
+	"image"
 	"os"
 	"path/filepath"
 	"strconv"
 	"strings"
 	"unicode/utf8"
+
+	_ "image/png" // Add PNG file loading support
+
+	"golang.org/x/image/draw"
+	"golang.org/x/image/math/fixed"
 )
 
 type emoji struct {
@@ -143,3 +149,24 @@ func scanEmojiDirectory(emojipath string) (tab emojiTable, err error) {
 	})
 	return tab, err
 }
+
+const emojiScale = fixed.Int26_6(100)
+
+func loadIconAtSize(path string, size fixed.Int26_6) (image.Image, error) {
+	file, err := os.Open(path)
+	if err != nil {
+		return nil, err
+	}
+	defer file.Close()
+
+	img, _, err := image.Decode(file)
+	if err != nil {
+		return nil, err
+	}
+
+	scale := size.Mul(emojiScale).Round()
+	scaled := image.NewRGBA(image.Rect(0, 0, scale, scale))
+	draw.BiLinear.Scale(scaled, scaled.Bounds(), img, img.Bounds(), draw.Over, nil)
+
+	return scaled, nil
+}

example/emojis/main.go

@@ -31,7 +31,7 @@ var (
 	dpi      = flag.Float64("dpi", 72, "screen resolution in Dots Per Inch")
 	fontfile = flag.String("fontfile", "../../testdata/luxisr.ttf", "filename of the ttf font")
 	hinting  = flag.String("hinting", "none", "none | full")
-	size     = flag.Float64("size", 20, "font size in points")
+	size     = flag.Float64("size", 30, "font size in points")
 	spacing  = flag.Float64("spacing", 1.5, "line spacing (e.g. 2 means double spaced)")
 	wonb     = flag.Bool("whiteonblack", false, "white text on a black background")
 	emojidir = flag.String("emojidir", "../../noto_emojis", "Path to emojis")
@@ -96,14 +96,12 @@ func main() {
 	// Draw the text.
 	pt := freetype.Pt(10, 10+int(c.PointToFixed(*size)>>6))
 	for _, s := range text {
-		fmt.Println(s)
 		_, err = c.DrawString(s, pt)
 		if err != nil {
 			log.Println(err)
 			return
 		}
 		pt.Y += c.PointToFixed(*size * *spacing)
-		fmt.Println()
 	}
 
 	// Save that RGBA image to disk.

freetype.go

@@ -10,7 +10,6 @@ package freetype // import "git.fromouter.space/crunchy-rocks/freetype"
 
 import (
 	"errors"
-	"fmt"
 	"image"
 	"image/draw"
 
@@ -244,11 +243,19 @@ func (c *Context) DrawString(s string, p fixed.Point26_6) (fixed.Point26_6, erro
 		// Check if rune is an emoji
 		if c.emojis != nil && c.emojis.IsEmoji(r) {
 			icon := c.emojis.Find(s[index:])
-			if icon == nil {
-				fmt.Printf("Nil emoji at position #%d\n", index)
-			} else {
-				fmt.Printf("Found emoji at position #%d:\n  %s", index, icon.String())
+			if icon != nil {
 				nextchar = index + icon.Length() - 1
+				img, err := loadIconAtSize(icon.Path, c.scale)
+				h := emojiScale * c.scale / 90
+				w := emojiScale * c.scale / 70
+				if err == nil {
+					// Draw pic
+					ix, iy := int(p.X>>6), int((p.Y-h)>>6)
+					draw.Draw(c.dst, c.dst.Bounds(), img, image.Point{-ix, -iy}, draw.Over)
+					// Set some kerning variables
+					p.X += w
+					continue
+				}
 			}
 		}
 		index := c.f.Index(r)