big api overhauls.

text_test.go

@@ -25,8 +25,36 @@ func TestTextWrapWord(t *testing.T) {
 		lineBox := r.MeasureText(line)
 		assert.True(lineBox.Width() < 100, line+": "+lineBox.String())
 	}
+	assert.Equal("this is", output[0])
+	assert.Equal("a test", output[1])
+	assert.Equal("string", output[2])
 
 	output = Text.WrapFitWord(r, "foo", 100, basicTextStyle)
 	assert.Len(output, 1)
 	assert.Equal("foo", output[0])
+
+	// test that it handles newlines.
+	output = Text.WrapFitWord(r, "this\nis\na\ntest\nstring", 100, basicTextStyle)
+	assert.Len(output, 5)
+
+	// test that it handles newlines and long lines.
+	output = Text.WrapFitWord(r, "this\nis\na\ntest\nstring that is very long", 100, basicTextStyle)
+	assert.Len(output, 8)
+}
+
+func TestTextWrapRune(t *testing.T) {
+	assert := assert.New(t)
+
+	r, err := PNG(1024, 1024)
+	assert.Nil(err)
+	f, err := GetDefaultFont()
+	assert.Nil(err)
+
+	basicTextStyle := Style{Font: f, FontSize: 24}
+
+	output := Text.WrapFitRune(r, "this is a test string", 150, basicTextStyle)
+	assert.NotEmpty(output)
+	assert.Len(output, 2)
+	assert.Equal("this is a t", output[0])
+	assert.Equal("est string", output[1])
 }