add gm to show bug in stroked-text in drawPosText
BUG=skia:
R=fmalita@google.com, bungeman@google.com, fmalita@chromium.org
Author: reed@google.com
Review URL: https://codereview.chromium.org/198083003
git-svn-id: http://skia.googlecode.com/svn/trunk@13777 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/stroketext.cpp b/gm/stroketext.cpp
new file mode 100644
index 0000000..e6ffa0e
--- /dev/null
+++ b/gm/stroketext.cpp
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2014 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "gm.h"
+#include "SkCanvas.h"
+
+static void draw_text_stroked(SkCanvas* canvas, const SkPaint& paint) {
+ SkPaint p(paint);
+ SkPoint loc = { 20, 450 };
+
+ canvas->drawText("P", 1, loc.fX, loc.fY - 225, p);
+ canvas->drawPosText("P", 1, &loc, p);
+
+ p.setColor(SK_ColorRED);
+ p.setStyle(SkPaint::kStroke_Style);
+ p.setStrokeWidth(10);
+
+ canvas->drawText("P", 1, loc.fX, loc.fY - 225, p);
+ canvas->drawPosText("P", 1, &loc, p);
+}
+
+class StrokeTextGM : public skiagm::GM {
+ // Skia has a threshold above which it draws text via paths instead of using scalercontext
+ // and caching the glyph. This GM wants to ensure that we draw stroking correctly on both
+ // sides of this threshold.
+ enum {
+ kBelowThreshold_TextSize = 255,
+ kAboveThreshold_TextSize = 257
+ };
+public:
+ StrokeTextGM() {}
+
+protected:
+ virtual SkString onShortName() SK_OVERRIDE {
+ return SkString("stroketext");
+ }
+
+ virtual SkISize onISize() SK_OVERRIDE {
+ return SkISize::Make(640, 480);
+ }
+
+ virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+ SkPaint paint;
+ paint.setAntiAlias(true);
+
+ paint.setTextSize(kBelowThreshold_TextSize);
+ draw_text_stroked(canvas, paint);
+
+ canvas->translate(200, 0);
+ paint.setTextSize(kAboveThreshold_TextSize);
+ draw_text_stroked(canvas, paint);
+ }
+
+private:
+ typedef skiagm::GM INHERITED;
+};
+
+DEF_GM( return SkNEW(StrokeTextGM); )