Add photo modules

go.mod

@@ -6,7 +6,7 @@ require (
 	git.fromouter.space/crunchy-rocks/draw2d v0.0.0-20190208101535-675e82cb6412
 	git.fromouter.space/crunchy-rocks/emoji v0.0.0-20181116142102-2188aadaf093
 	git.fromouter.space/crunchy-rocks/freetype v0.0.0-20181116104610-3115318f2577
-	git.fromouter.space/hamcha/tg v0.1.0
+	git.fromouter.space/hamcha/tg v0.2.1
 	git.sr.ht/~hamcha/containers v0.0.3
 	github.com/cockroachdb/pebble v0.0.0-20220323190648-7ad3551b2050
 	github.com/disintegration/imaging v1.6.2

go.sum

@@ -6,8 +6,8 @@ git.fromouter.space/crunchy-rocks/emoji v0.0.0-20181116142102-2188aadaf093 h1:pa
 git.fromouter.space/crunchy-rocks/emoji v0.0.0-20181116142102-2188aadaf093/go.mod h1:bmXZYbLNSGivLP7yQlcQ605b1H1L8kzxAk8A7sAEWx0=
 git.fromouter.space/crunchy-rocks/freetype v0.0.0-20181116104610-3115318f2577 h1:rntW5kRu8s7dN8n7WWLHzAVZrnk7NS9YCdEQwA/O9pk=
 git.fromouter.space/crunchy-rocks/freetype v0.0.0-20181116104610-3115318f2577/go.mod h1:MlK0wT7XDuAuw0l/Z+Es2OHozCbBb2r9VxOy8bU58ow=
-git.fromouter.space/hamcha/tg v0.1.0 h1:cJwL8pElkBtaDn7Bxa14zvlnBTTK8LdcCtcbBg7hEvk=
+git.fromouter.space/hamcha/tg v0.2.1 h1:cN14BhgbRLwYs4LkiKCKD9lDxwzbrpuRkQ6Buk4LdFw=
-git.fromouter.space/hamcha/tg v0.1.0/go.mod h1:aIFj7n5FP+Zr/Zv6I6Kq4ZqhRxC12gXFQcC3iOakv9M=
+git.fromouter.space/hamcha/tg v0.2.1/go.mod h1:aIFj7n5FP+Zr/Zv6I6Kq4ZqhRxC12gXFQcC3iOakv9M=
 git.sr.ht/~hamcha/containers v0.0.3 h1:obG9X8s5iOIahVe+EGpkBDYmUAO78oTi9Y9gRurt334=
 git.sr.ht/~hamcha/containers v0.0.3/go.mod h1:RiZphUpy9t6EnL4Gf6uzByM9QrBoqRCEPo7kz2wzbhE=
 github.com/AndreasBriese/bbloom v0.0.0-20190306092124-e2d15f34fcf9/go.mod h1:bOvUY6CB00SOBii9/FifXqc0awNKxLFCL/+pkDPuyl8=

main.go

@@ -9,9 +9,11 @@ import (
 
 	"git.fromouter.space/crunchy-rocks/clessy-ng/modules"
 	"git.fromouter.space/crunchy-rocks/clessy-ng/modules/macro"
+	"git.fromouter.space/crunchy-rocks/clessy-ng/modules/meme"
 	"git.fromouter.space/crunchy-rocks/clessy-ng/modules/metafora"
 	"git.fromouter.space/crunchy-rocks/clessy-ng/modules/proverbio"
 	"git.fromouter.space/crunchy-rocks/clessy-ng/modules/remind"
+	"git.fromouter.space/crunchy-rocks/clessy-ng/modules/snapchat"
 	"git.fromouter.space/crunchy-rocks/clessy-ng/modules/unsplash"
 	"git.fromouter.space/crunchy-rocks/clessy-ng/utils"
 
@@ -26,6 +28,8 @@ var mods = map[string]modules.Module{
 	"macro":     &macro.Module{},
 	"remind":    &remind.Module{},
 	"unsplash":  &unsplash.Module{},
+	"snapchat":  &snapchat.Module{},
+	"meme":      &meme.Module{},
 }
 
 func checkErr(err error, message string, args ...interface{}) {

modules/meme/mod.go

@@ -0,0 +1,233 @@
+package meme
+
+import (
+	"bytes"
+	"image"
+	_ "image/gif"
+	"image/jpeg"
+	_ "image/png"
+	"log"
+	"math/rand"
+	"os"
+	"strings"
+	"time"
+
+	"git.fromouter.space/crunchy-rocks/clessy-ng/modules"
+	"git.fromouter.space/crunchy-rocks/clessy-ng/utils"
+
+	"git.fromouter.space/crunchy-rocks/draw2d"
+	"git.fromouter.space/crunchy-rocks/draw2d/draw2dimg"
+	"git.fromouter.space/crunchy-rocks/emoji"
+	"git.fromouter.space/crunchy-rocks/freetype"
+	"git.fromouter.space/hamcha/tg"
+)
+
+var memeFontData draw2d.FontData
+
+type Module struct {
+	client *tg.Telegram
+	name   string
+	emojis emoji.Table
+}
+
+func (m *Module) Initialize(options modules.ModuleOptions) error {
+	m.client = options.API
+	m.name = options.Name
+	m.emojis = options.Emojis
+
+	rand.Seed(time.Now().Unix())
+
+	fontfile := utils.RequireEnv("CLESSY_MEME_FONT")
+	bytes, err := os.ReadFile(fontfile)
+	if err != nil {
+		return err
+	}
+
+	font, err := freetype.ParseFont(bytes)
+	if err != nil {
+		return err
+	}
+
+	memeFontData = draw2d.FontData{
+		Name:   "impact",
+		Family: draw2d.FontFamilySans,
+		Style:  0,
+	}
+	draw2d.RegisterFont(memeFontData, font)
+
+	log.Println("[meme] Loaded!")
+
+	return nil
+}
+
+func (m *Module) OnUpdate(update tg.APIUpdate) {
+	// Not a message? Ignore
+	if update.Message == nil {
+		return
+	}
+	message := *update.Message
+
+	// Make replies work
+	if message.ReplyTo != nil && message.Text != nil && message.ReplyTo.Photo != nil {
+		message.Photo = message.ReplyTo.Photo
+		message.Caption = message.Text
+	}
+
+	if message.Photo != nil && message.Caption != nil {
+		caption := *(message.Caption)
+		if strings.HasPrefix(caption, "/meme ") && len(caption) > 6 {
+			idx := strings.Index(caption, ";")
+			if idx < 0 {
+				m.client.SendTextMessage(tg.ClientTextMessageData{
+					ChatID:  message.Chat.ChatID,
+					Text:    "<b>Formato</b>: /meme TESTO IN ALTO<b>;</b>TESTO IN BASSO",
+					ReplyID: &message.MessageID,
+				})
+				return
+			}
+
+			txtup := caption[6:idx]
+			txtdw := caption[idx+1:]
+
+			maxsz := 0
+			photo := tg.APIPhotoSize{}
+			for _, curphoto := range message.Photo {
+				if curphoto.Width > maxsz {
+					maxsz = curphoto.Width
+					photo = curphoto
+				}
+			}
+
+			byt, err := m.client.GetFile(tg.FileRequestData{
+				FileID: photo.FileID,
+			})
+			if err != nil {
+				log.Printf("[memegen] Received error: %s\n", err.Error())
+				m.client.SendTextMessage(tg.ClientTextMessageData{
+					ChatID:  message.Chat.ChatID,
+					Text:    "<b>ERRORE!</b> @hamcha controlla la console!",
+					ReplyID: &message.MessageID,
+				})
+				return
+			}
+
+			img, _, err := image.Decode(bytes.NewReader(byt))
+			if err != nil {
+				log.Printf("[memegen] Image decode error: %s\n", err.Error())
+				m.client.SendTextMessage(tg.ClientTextMessageData{
+					ChatID:  message.Chat.ChatID,
+					Text:    "<b>ERRORE!</b> Non riesco a leggere l'immagine",
+					ReplyID: &message.MessageID,
+				})
+				return
+			}
+
+			m.client.SendChatAction(tg.ClientChatActionData{
+				ChatID: message.Chat.ChatID,
+				Action: tg.ActionUploadingPhoto,
+			})
+
+			//TODO Clean up this mess
+
+			// Create target image
+			bounds := img.Bounds()
+			iwidth := float64(bounds.Size().X)
+			iheight := float64(bounds.Size().Y)
+
+			timg := image.NewRGBA(bounds)
+			gc := draw2dimg.NewGraphicContext(timg)
+			gc.Emojis = m.emojis
+			gc.SetStrokeColor(image.Black)
+			gc.SetFillColor(image.White)
+			gc.SetFontData(memeFontData)
+			gc.DrawImage(img)
+
+			write := func(text string, istop bool) {
+				text = strings.ToUpper(strings.TrimSpace(text))
+				gc.Restore()
+				gc.Save()
+
+				// Detect appropriate font size
+				scale := iheight / iwidth * (iwidth / 10)
+				gc.SetFontSize(scale)
+				gc.SetLineWidth(scale / 15)
+
+				// Get NEW bounds
+				left, top, right, bottom := gc.GetStringBounds(text)
+
+				width := right - left
+				texts := []string{text}
+				if width > iwidth {
+					// Split text
+					texts = utils.SplitCenter(text)
+
+					// Get longest line
+					longer := float64(0)
+					longid := 0
+					widths := make([]float64, len(texts))
+					for id := range texts {
+						tleft, _, tright, _ := gc.GetStringBounds(texts[id])
+						widths[id] = tright - tleft
+						if width > longer {
+							longer = widths[id]
+							longid = id
+						}
+					}
+
+					// Still too big? Decrease font size again
+					iter := 0
+					for width > iwidth && iter < 10 {
+						log.Println("Warning, resizing!")
+						gc.SetFontSize(scale * (0.8 - 0.1*float64(iter)))
+						left, top, right, bottom = gc.GetStringBounds(texts[longid])
+						width = right - left
+						iter++
+					}
+				}
+
+				height := bottom - top
+				margin := float64(height / 50)
+				lines := float64(len(texts) - 1)
+
+				gc.Save()
+				for id, txt := range texts {
+					gc.Save()
+					left, _, right, _ = gc.GetStringBounds(txt)
+					width = right - left
+
+					y := float64(0)
+					if istop {
+						y = (height+margin)*float64(id+1) + margin*5
+					} else {
+						y = iheight - (height * lines) + (height * float64(id)) - margin*5
+					}
+
+					gc.Translate((iwidth-width)/2, y)
+					gc.StrokeString(txt)
+					gc.FillString(txt)
+					gc.Restore()
+				}
+			}
+			write(txtup, true)
+			write(txtdw, false)
+
+			buf := new(bytes.Buffer)
+			err = jpeg.Encode(buf, timg, &(jpeg.Options{Quality: 80}))
+			if err != nil {
+				log.Printf("[memegen] Image encode error: %s\n", err.Error())
+				m.client.SendTextMessage(tg.ClientTextMessageData{
+					ChatID:  message.Chat.ChatID,
+					Text:    "<b>ERRORE!</b> @hamcha controlla la console!",
+					ReplyID: &message.MessageID,
+				})
+				return
+			}
+			m.client.SendPhoto(tg.ClientPhotoData{
+				ChatID:   message.Chat.ChatID,
+				Bytes:    buf.Bytes(),
+				Filename: "meme.jpg",
+				ReplyID:  &message.MessageID,
+			})
+		}
+	}
+}

modules/snapchat/mod.go

@@ -0,0 +1,206 @@
+package snapchat
+
+import (
+	"bytes"
+	"image"
+	"image/color"
+	_ "image/gif"
+	"image/jpeg"
+	_ "image/png"
+	"log"
+	"math/rand"
+	"os"
+	"strings"
+	"time"
+
+	"git.fromouter.space/crunchy-rocks/clessy-ng/modules"
+	"git.fromouter.space/crunchy-rocks/clessy-ng/utils"
+
+	"git.fromouter.space/crunchy-rocks/draw2d"
+	"git.fromouter.space/crunchy-rocks/draw2d/draw2dimg"
+	"git.fromouter.space/crunchy-rocks/emoji"
+	"git.fromouter.space/crunchy-rocks/freetype"
+	"git.fromouter.space/hamcha/tg"
+)
+
+var snapFontData draw2d.FontData
+
+type Module struct {
+	client *tg.Telegram
+	name   string
+	emojis emoji.Table
+}
+
+func (m *Module) Initialize(options modules.ModuleOptions) error {
+	m.client = options.API
+	m.name = options.Name
+	m.emojis = options.Emojis
+
+	rand.Seed(time.Now().Unix())
+
+	fontfile := utils.RequireEnv("CLESSY_SNAPCHAT_FONT")
+	bytes, err := os.ReadFile(fontfile)
+	if err != nil {
+		return err
+	}
+
+	font, err := freetype.ParseFont(bytes)
+	if err != nil {
+		return err
+	}
+
+	snapFontData = draw2d.FontData{
+		Name:   "sourcesans",
+		Family: draw2d.FontFamilySans,
+		Style:  draw2d.FontStyleBold,
+	}
+	draw2d.RegisterFont(snapFontData, font)
+
+	log.Println("[snapchat] Loaded!")
+
+	return nil
+}
+
+func (m *Module) OnUpdate(update tg.APIUpdate) {
+	// Not a message? Ignore
+	if update.Message == nil {
+		return
+	}
+	message := *update.Message
+
+	// Make replies work
+	if message.ReplyTo != nil && message.Text != nil && message.ReplyTo.Photo != nil {
+		message.Photo = message.ReplyTo.Photo
+		message.Caption = message.Text
+	}
+
+	if message.Photo != nil && message.Caption != nil {
+		caption := *(message.Caption)
+		if strings.HasPrefix(caption, "/snap ") && len(caption) > 6 {
+			txt := strings.TrimSpace(caption[6:])
+
+			maxsz := 0
+			photo := tg.APIPhotoSize{}
+			for _, curphoto := range message.Photo {
+				if curphoto.Width > maxsz {
+					maxsz = curphoto.Width
+					photo = curphoto
+				}
+			}
+
+			byt, err := m.client.GetFile(tg.FileRequestData{
+				FileID: photo.FileID,
+			})
+			if err != nil {
+				log.Printf("[snapchat] Received error: %s\n", err.Error())
+				m.client.SendTextMessage(tg.ClientTextMessageData{
+					ChatID:  message.Chat.ChatID,
+					Text:    "<b>ERRORE!</b> @hamcha controlla la console!",
+					ReplyID: &message.MessageID,
+				})
+				return
+			}
+
+			img, _, err := image.Decode(bytes.NewReader(byt))
+			if err != nil {
+				log.Printf("[snapchat] Image decode error: %s\n", err.Error())
+				m.client.SendTextMessage(tg.ClientTextMessageData{
+					ChatID:  message.Chat.ChatID,
+					Text:    "<b>ERRORE!</b> Non riesco a leggere l'immagine",
+					ReplyID: &message.MessageID,
+				})
+				return
+			}
+
+			m.client.SendChatAction(tg.ClientChatActionData{
+				ChatID: message.Chat.ChatID,
+				Action: tg.ActionUploadingPhoto,
+			})
+
+			// Create target image
+			bounds := img.Bounds()
+			iwidth := float64(bounds.Size().Y) / 1.6
+			iheight := float64(bounds.Size().Y)
+
+			repos := iwidth < float64(bounds.Size().X)
+			if !repos {
+				iwidth = float64(bounds.Size().X)
+			}
+
+			timg := image.NewRGBA(image.Rect(0, 0, int(iwidth), int(iheight)))
+			gc := draw2dimg.NewGraphicContext(timg)
+			gc.Emojis = m.emojis
+			gc.SetFontData(snapFontData)
+
+			gc.Save()
+			if repos {
+				gc.Translate(-(float64(bounds.Size().X)-iwidth)/2, 0)
+			}
+			gc.DrawImage(img)
+			gc.Restore()
+
+			scale := iwidth / 25
+			gc.SetFontSize(scale)
+
+			lineMargin := scale / 3
+			boxMargin := lineMargin
+			topMargin := lineMargin / 6
+			write := func(text string, startHeight float64) {
+				texts := utils.WordWrap(gc, strings.TrimSpace(text), iwidth*0.9)
+				totalHeight := startHeight
+				firstLine := 0.
+				for _, txt := range texts {
+					_, top, _, bottom := gc.GetStringBounds(txt)
+					height := (bottom - top)
+					if firstLine == 0 {
+						firstLine = height
+					}
+					totalHeight += lineMargin + height
+				}
+
+				// Draw background
+				starty := startHeight - boxMargin - topMargin - firstLine
+				endy := totalHeight + boxMargin - firstLine
+				gc.Save()
+				gc.SetFillColor(color.RGBA{0, 0, 0, 160})
+				gc.BeginPath()
+				gc.MoveTo(0, starty)
+				gc.LineTo(iwidth, starty)
+				gc.LineTo(iwidth, endy)
+				gc.LineTo(0, endy)
+				gc.Close()
+				gc.Fill()
+				gc.Restore()
+
+				// Write lines
+				gc.SetFillColor(image.White)
+				height := startHeight
+				for _, txt := range texts {
+					left, top, right, bottom := gc.GetStringBounds(txt)
+					width := right - left
+					gc.FillStringAt(txt, (iwidth-width)/2, height)
+					height += lineMargin + (bottom - top)
+				}
+			}
+			write(txt, (rand.Float64()*0.4+0.3)*iheight)
+
+			buf := new(bytes.Buffer)
+			err = jpeg.Encode(buf, timg, &(jpeg.Options{Quality: 80}))
+			if err != nil {
+				log.Printf("[snapchat] Image encode error: %s\n", err.Error())
+				m.client.SendTextMessage(tg.ClientTextMessageData{
+					ChatID:  message.Chat.ChatID,
+					Text:    "<b>ERRORE!</b> @hamcha controlla la console!",
+					ReplyID: &message.MessageID,
+				})
+				return
+			}
+			m.client.SendPhoto(tg.ClientPhotoData{
+				ChatID:   message.Chat.ChatID,
+				Bytes:    buf.Bytes(),
+				Filename: "meme.jpg",
+				ReplyID:  &message.MessageID,
+			})
+		}
+	}
+}

modules/unsplash/mod.go

@@ -2,7 +2,6 @@ package unsplash
 
 import (
 	"bytes"
-	"encoding/base64"
 	"image"
 	_ "image/gif"
 	"image/jpeg"
@@ -255,7 +254,7 @@ func (m *Module) OnUpdate(update tg.APIUpdate) {
 		}
 		m.client.SendPhoto(tg.ClientPhotoData{
 			ChatID:   message.Chat.ChatID,
-			Bytes:    base64.StdEncoding.EncodeToString(buf.Bytes()),
+			Bytes:    buf.Bytes(),
 			Filename: "quote.jpg",
 			ReplyID:  &message.MessageID,
 		})

run.ps1

@@ -6,5 +6,6 @@ $env:CLESSY_EMOJI_PATH = "_data"
 $env:CLESSY_UNSPLASH_FONT = "_data/gill.ttf"
 $env:CLESSY_UNSPLASH_BG_PATH = "_data/pics"
 $env:CLESSY_MEME_FONT = "_data/impact.ttf"
+$env:CLESSY_SNAPCHAT_FONT = "_data/source.ttf"
 mkdir -force _data/pics
 go run .

run.sh

@@ -5,5 +5,6 @@ export CLESSY_DB_DIR=_data/db
 export CLESSY_EMOJI_PATH=_data
 export CLESSY_UNSPLASH_FONT=_data/gill.ttf
 export CLESSY_MEME_FONT=_data/impact.ttf
+export CLESSY_SNAPCHAT_FONT=_data/source.ttf
 mkdir -p _data/pics
 go run .

utils/text.go

@@ -1,6 +1,11 @@
 package utils
 
-import "strings"
+import (
+	"strings"
+	"unicode"
+
+	"git.fromouter.space/crunchy-rocks/draw2d"
+)
 
 func abs(i int) int {
 	if i < 0 {
@@ -30,3 +35,56 @@ func SplitCenter(text string) []string {
 	}
 	return []string{strings.TrimSpace(text[:whitespaceBackIndex]), strings.TrimSpace(text[whitespaceBackIndex:])}
 }
+
+// Word wrapping code from https://github.com/fogleman/gg
+// Copyright (C) 2016 Michael Fogleman
+// Licensed under MIT (https://github.com/fogleman/gg/blob/master/LICENSE.md)
+
+func splitOnSpace(x string) []string {
+	var result []string
+	pi := 0
+	ps := false
+	for i, c := range x {
+		s := unicode.IsSpace(c)
+		if s != ps && i > 0 {
+			result = append(result, x[pi:i])
+			pi = i
+		}
+		ps = s
+	}
+	result = append(result, x[pi:])
+	return result
+}
+
+func WordWrap(gc draw2d.GraphicContext, s string, width float64) []string {
+	var result []string
+	for _, line := range strings.Split(s, "\n") {
+		fields := splitOnSpace(line)
+		if len(fields)%2 == 1 {
+			fields = append(fields, "")
+		}
+		x := ""
+		for i := 0; i < len(fields); i += 2 {
+			left, _, right, _ := gc.GetStringBounds(x + fields[i])
+			w := right - left
+			if w > width {
+				if x == "" {
+					result = append(result, fields[i])
+					x = ""
+					continue
+				} else {
+					result = append(result, x)
+					x = ""
+				}
+			}
+			x += fields[i] + fields[i+1]
+		}
+		if x != "" {
+			result = append(result, x)
+		}
+	}
+	for i, line := range result {
+		result[i] = strings.TrimSpace(line)
+	}
+	return result
+}