Cells are now drawn

backends/pixel/pixel.go

@@ -1,9 +1,9 @@
 package pixel
 
-import "fmt"
 import "time"
 import "golang.org/x/image/font"
 import "github.com/faiface/pixel"
+import "github.com/faiface/pixel/text"
 import "github.com/faiface/pixel/imdraw"
 import "github.com/faiface/pixel/pixelgl"
 import "golang.org/x/image/font/basicfont"
@@ -17,6 +17,8 @@ type Backend struct {
 	application       *stone.Application
 	config            *stone.Config
 	backgroundStamper *imdraw.IMDraw
+	fontAtlas         *text.Atlas
+	textDrawer        *text.Text
 
 	metrics struct {
 		cellWidth  int
@@ -51,6 +53,8 @@ func (backend *Backend) Run (callback func (application *stone.Application)) {
 			Bounds:      backend.calculateWindowSize(),
 		})
 		backend.backgroundStamper = imdraw.New(nil)
+		backend.fontAtlas = text.NewAtlas(backend.fontFace, text.ASCII)
+		backend.textDrawer = text.New(pixel.V(0, 0), backend.fontAtlas)
 		backend.Poll()
 		
 		if err != nil { panic(err.Error()) }
@@ -150,20 +154,21 @@ func (backend *Backend) draw () {
 		backend.backgroundStamper.Draw(backend.window)
 	}
 
-	// TODO: draw dirty cells.
+	backend.textDrawer.Clear()
 	for x := 0; x < width; x ++ {
 		for y := 0; y < height; y ++ {
 			clean := backend.application.Clean(x, y)
-			// cell  := application.content[index]
 			if clean { continue }
 			backend.application.MarkClean(x, y)
 
-			// draw cell
 			cell := backend.application.Cell(x, y)
 			content := cell.Rune()
 			if content < 32 { continue }
-			fmt.Println(content)
 			
+			//  draw cell
+			backend.textDrawer.Dot = backend.vectorAtPosition(x, y)
+			backend.textDrawer.WriteRune(content)
+			backend.textDrawer.Draw(backend.window, pixel.IM)
 		}
 	}