Create new lcdtext page within gm
http://codereview.appspot.com/4654071
git-svn-id: http://skia.googlecode.com/svn/trunk@1736 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/lcdtext.cpp b/gm/lcdtext.cpp
new file mode 100644
index 0000000..90a9ccb
--- /dev/null
+++ b/gm/lcdtext.cpp
@@ -0,0 +1,82 @@
+/*
+ Copyright 2011 Google Inc.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ */
+
+/* Tests text rendering with LCD and subpixel rendering turned on and off.
+ */
+
+#include "gm.h"
+#include "SkCanvas.h"
+
+namespace skiagm {
+
+class LcdTextGM : public GM {
+public:
+ LcdTextGM() {
+ const int pointSize = 36;
+ textHeight = SkIntToScalar(pointSize);
+ }
+
+protected:
+
+ SkString onShortName() {
+ return SkString("lcdtext");
+ }
+
+ SkISize onISize() { return make_isize(640, 480); }
+
+ void drawBG(SkCanvas* canvas) {
+ canvas->drawColor(SK_ColorWHITE);
+ }
+
+ virtual void onDraw(SkCanvas* canvas) {
+ this->drawBG(canvas);
+
+ y = textHeight;
+ drawText(canvas, SkString("TEXT: SubpixelTrue LCDRenderTrue"),
+ true, true);
+ drawText(canvas, SkString("TEXT: SubpixelTrue LCDRenderFalse"),
+ true, false);
+ drawText(canvas, SkString("TEXT: SubpixelFalse LCDRenderTrue"),
+ false, true);
+ drawText(canvas, SkString("TEXT: SubpixelFalse LCDRenderFalse"),
+ false, false);
+ }
+
+ void drawText(SkCanvas* canvas, const SkString& string,
+ bool subpixelTextEnabled, bool lcdRenderTextEnabled) {
+ SkPaint paint;
+ paint.setColor(SK_ColorBLACK);
+ paint.setDither(true);
+ paint.setAntiAlias(true);
+ paint.setSubpixelText(subpixelTextEnabled);
+ paint.setLCDRenderText(lcdRenderTextEnabled);
+ paint.setTextSize(textHeight);
+
+ canvas->drawText(string.c_str(), string.size(), 0, y, paint);
+ y += textHeight;
+ }
+
+private:
+ typedef GM INHERITED;
+ SkScalar y, textHeight;
+};
+
+///////////////////////////////////////////////////////////////////////////////
+
+static GM* MyFactory(void*) { return new LcdTextGM; }
+static GMRegistry reg(MyFactory);
+
+}