From 79d8891c5bc862a4ef490ab9ffaf8d91bd33fddb Mon Sep 17 00:00:00 2001
From: Sasha Koshka <sashakoshka@tebibyte.media>
Date: Mon, 14 Nov 2022 23:32:05 -0500
Subject: [PATCH] Added some stuff to draw debug bounding boxes

---
 backends/x/draw.go    | 28 +++++++++++++++++++++-------
 backends/x/factory.go |  4 ++++
 backends/x/x.go       |  3 +++
 3 files changed, 28 insertions(+), 7 deletions(-)

diff --git a/backends/x/draw.go b/backends/x/draw.go
index 82ff82b..0a94d08 100644
--- a/backends/x/draw.go
+++ b/backends/x/draw.go
@@ -51,13 +51,15 @@ func (backend *Backend) drawRune (x, y int, character rune) {
 			Y: fixed.I(origin.Y - backend.metrics.descent),
 		},
 		character)
-		
-	// strokeRectangle (
-		// &image.Uniform {
-			// C: backend.config.Color(stone.ColorForeground),
-		// },
-		// backend.canvas,
-		// backend.boundsOfCell(x, y))
+
+	if backend.drawCellBounds {	
+		strokeRectangle (
+			&image.Uniform {
+				C: backend.config.Color(stone.ColorForeground),
+			},
+			backend.canvas,
+			backend.boundsOfCell(x, y))
+	}
 		
 	draw.DrawMask (
 		backend.canvas,
@@ -86,6 +88,18 @@ func (backend *Backend) drawCells (forceRedraw bool) (areas []image.Rectangle) {
 		areas = append(areas, backend.boundsOfCell(x, y))
 		backend.drawRune(x, y, content)
 	}}
+
+	if backend.drawBufferBounds && forceRedraw {
+		strokeRectangle (
+			&image.Uniform {
+				C: backend.config.Color(stone.ColorForeground),
+			},
+			backend.canvas,
+			image.Rectangle {
+				Min: backend.originOfCell(0, 0),
+				Max: backend.originOfCell(width, height),
+			})
+	}
 	return
 }
 
diff --git a/backends/x/factory.go b/backends/x/factory.go
index 1885496..c19fd51 100644
--- a/backends/x/factory.go
+++ b/backends/x/factory.go
@@ -126,6 +126,10 @@ func factory (application *stone.Application) (output stone.Backend, err error)
 		Connect(backend.connection, backend.window.Id)
 	xevent.KeyReleaseFun(backend.handleKeyRelease).
 		Connect(backend.connection, backend.window.Id)
+
+	// uncomment these to draw debug bounds
+	// backend.drawCellBounds = true
+	// backend.drawBufferBounds = true
 	
 	output = backend
 	return
diff --git a/backends/x/x.go b/backends/x/x.go
index b7c7cf2..c930c84 100644
--- a/backends/x/x.go
+++ b/backends/x/x.go
@@ -21,6 +21,9 @@ type Backend struct {
 	canvas      *xgraphics.Image
 	channel     chan(stone.Event)
 
+	drawCellBounds   bool
+	drawBufferBounds bool
+
 	drawLock sync.Mutex
 
 	font struct {