diff --git a/example/freetype/main.go b/example/freetype/main.go
index 7a11caf..3714b61 100644
--- a/example/freetype/main.go
+++ b/example/freetype/main.go
@@ -7,11 +7,11 @@ package main
 
 import (
 	"bufio"
-	"exp/draw"
 	"flag"
 	"fmt"
 	"freetype-go.googlecode.com/hg/freetype"
 	"image"
+	"image/draw"
 	"image/png"
 	"io/ioutil"
 	"log"
@@ -86,7 +86,7 @@ func main() {
 		ruler = image.RGBAColor{0x22, 0x22, 0x22, 0xff}
 	}
 	rgba := image.NewRGBA(640, 480)
-	draw.Draw(rgba, rgba.Bounds(), bg, image.ZP)
+	draw.Draw(rgba, rgba.Bounds(), bg, image.ZP, draw.Src)
 	c := freetype.NewContext()
 	c.SetDPI(*dpi)
 	c.SetFont(font)
diff --git a/example/gamma/main.go b/example/gamma/main.go
index cc25475..8fe4539 100644
--- a/example/gamma/main.go
+++ b/example/gamma/main.go
@@ -7,9 +7,9 @@ package main
 
 import (
 	"bufio"
-	"exp/draw"
 	"fmt"
 	"image"
+	"image/draw"
 	"image/png"
 	"log"
 	"os"
@@ -51,8 +51,8 @@ func main() {
 		h = 200
 	)
 	rgba := image.NewRGBA(w, h)
-	draw.Draw(rgba, image.Rect(0, 0, w, h/2), image.Black, image.ZP)
-	draw.Draw(rgba, image.Rect(0, h/2, w, h), image.White, image.ZP)
+	draw.Draw(rgba, image.Rect(0, 0, w, h/2), image.Black, image.ZP, draw.Src)
+	draw.Draw(rgba, image.Rect(0, h/2, w, h), image.White, image.ZP, draw.Src)
 	mask := image.NewAlpha(50, 50)
 	painter := raster.NewAlphaSrcPainter(mask)
 	gammas := []float64{1.0 / 10.0, 1.0 / 3.0, 1.0 / 2.0, 2.0 / 3.0, 4.0 / 5.0, 1.0, 5.0 / 4.0, 3.0 / 2.0, 2.0, 3.0, 10.0}
diff --git a/example/raster/main.go b/example/raster/main.go
index 3861592..af04d63 100644
--- a/example/raster/main.go
+++ b/example/raster/main.go
@@ -7,9 +7,9 @@ package main
 
 import (
 	"bufio"
-	"exp/draw"
 	"fmt"
 	"image"
+	"image/draw"
 	"image/png"
 	"log"
 	"os"
@@ -113,7 +113,7 @@ func showNodes(m *image.RGBA, ns []node) {
 	for _, n := range ns {
 		p := p(n)
 		x, y := int(p.X)/256, int(p.Y)/256
-		if !m.Bounds().Contains(image.Point{x, y}) {
+		if !(image.Point{x, y}).In(m.Bounds()) {
 			continue
 		}
 		var c image.Color
@@ -147,7 +147,7 @@ func main() {
 	// Draw the mask image (in gray) onto an RGBA image.
 	rgba := image.NewRGBA(w, h)
 	gray := image.NewColorImage(image.AlphaColor{0x1f})
-	draw.Draw(rgba, rgba.Bounds(), image.Black, image.ZP)
+	draw.Draw(rgba, rgba.Bounds(), image.Black, image.ZP, draw.Src)
 	draw.DrawMask(rgba, rgba.Bounds(), gray, image.ZP, mask, image.ZP, draw.Over)
 	showNodes(rgba, outside)
 	showNodes(rgba, inside)