Image overlay utility function (#58)

* Utility function for overlays

* Accidental comment

* Same command code for all overlays

Author: nint8835

pkg/bot/bot.go

@@ -67,11 +67,6 @@ func New() (*Bot, error) {
 	_ = parser.NewCommand("malt", "Malt an image.", MakeImageOpCommand(Malt))
 	_ = parser.NewCommand("help", "Get help for available commands.", HelpCommand)
 	_ = parser.NewCommand("deepfry", "Deep-fry an image.", MakeImageOpCommand(Deepfry))
-	_ = parser.NewCommand("stevepoint", "Have Steve point at an image.", MakeImageOpCommand(StevePoint))
-	_ = parser.NewCommand("mitchpoint", "Have Mitch point at an image.", MakeImageOpCommand(MitchPoint))
-	_ = parser.NewCommand("keenanthumb", "Have Keenan thumbs-up an image.", MakeImageOpCommand(KeenanThumb))
-	_ = parser.NewCommand("sidekeenan", "Have Keenan on the side of an image.", MakeImageOpCommand(SideKeenan))
-	_ = parser.NewCommand("jackpog", "Have Jack Pog an image.", MakeImageOpCommand(JackPog))
 	_ = parser.NewCommand("divine", "Sever the divine light.", MakeImageOpCommand(Divine))
 	_ = parser.NewCommand("waaw", "Mirror the right half of an image.", MakeImageOpCommand(Waaw))
 	_ = parser.NewCommand("haah", "Mirror the left half of an image.", MakeImageOpCommand(Haah))
@@ -88,6 +83,7 @@ func New() (*Bot, error) {
 	_ = parser.NewCommand("modulate", "Modify the brightness, saturation, and hue of an image.", MakeImageOpCommand(Modulate))
 	_ = parser.NewCommand("presidentsframe", "Apply the President's Frame to an image", MakeImageOpCommand(PresidentsFrame))
 	registerGraphicsFormatCommands(parser)
+	registerOverlayCommands(parser)
 
 	log.Debug().Msg("Commands registered")
 

pkg/bot/jack_pog.go

@@ -0,0 +1,82 @@
+package bot
+
+import (
+	_ "embed"
+
+	"github.com/nint8835/parsley"
+)
+
+//go:embed overlay_images/jack_pog.png
+var jackPogImage []byte
+
+//go:embed overlay_images/keenan_thumb.png
+var keenanThumbImage []byte
+
+//go:embed overlay_images/mitch_point.png
+var mitchPointImage []byte
+
+//go:embed overlay_images/side_keenan.png
+var sideKeenanImage []byte
+
+//go:embed overlay_images/steve_point.png
+var stevePointImage []byte
+
+func registerOverlayCommands(parser *parsley.Parser) {
+	_ = parser.NewCommand(
+		"jackpog",
+		"Have Jack Pog an image.",
+		MakeImageOverlayCommand(
+			jackPogImage,
+			OverlayOptions{
+				OverlayWidthFactor:  1,
+				OverlayHeightFactor: 0.5,
+			},
+		),
+	)
+	_ = parser.NewCommand(
+		"sidekeenan",
+		"Have Keenan on the side of an image.",
+		MakeImageOverlayCommand(
+			sideKeenanImage,
+			OverlayOptions{
+				OverlayWidthFactor:  1,
+				OverlayHeightFactor: 0.5,
+				RightToLeft:         true,
+			},
+		),
+	)
+	_ = parser.NewCommand(
+		"keenanthumb",
+		"Have Keenan thumbs-up an image.",
+		MakeImageOverlayCommand(
+			keenanThumbImage,
+			OverlayOptions{
+				OverlayWidthFactor:  1,
+				OverlayHeightFactor: 0.5,
+			},
+		),
+	)
+	_ = parser.NewCommand(
+		"mitchpoint",
+		"Have Mitch point at an image.",
+		MakeImageOverlayCommand(
+			mitchPointImage,
+			OverlayOptions{
+				OverlayWidthFactor:  1,
+				OverlayHeightFactor: 1,
+			},
+		),
+	)
+	_ = parser.NewCommand(
+		"stevepoint",
+		"Have Steve point at an image.",
+		MakeImageOverlayCommand(
+			stevePointImage,
+			OverlayOptions{
+				OverlayWidthFactor:  1,
+				OverlayHeightFactor: 1,
+				RightToLeft:         true,
+			},
+		),
+	)
+}