Index: gm/mipmap.cpp |
diff --git a/gm/mipmap.cpp b/gm/mipmap.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..948fd99dedb8d69ee05bf2d84e70d0214e0bdcc4 |
--- /dev/null |
+++ b/gm/mipmap.cpp |
@@ -0,0 +1,68 @@ |
+/* |
+ * Copyright 2015 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" |
+#include "SkImage.h" |
+#include "SkRandom.h" |
+#include "SkSurface.h" |
+ |
+static SkImage* make_image() { |
+ const SkImageInfo info = SkImageInfo::MakeN32Premul(319, 52); |
+ SkAutoTUnref<SkSurface> surface(SkSurface::NewRaster(info)); |
+ SkCanvas* canvas = surface->getCanvas(); |
+ canvas->drawColor(0xFFF8F8F8); |
+ |
+ SkPaint paint; |
+ paint.setAntiAlias(true); |
+ |
+ paint.setStyle(SkPaint::kStroke_Style); |
+ for (int i = 0; i < 20; ++i) { |
+ canvas->drawCircle(-4, 25, 20, paint); |
+ canvas->translate(25, 0); |
+ } |
+ return surface->newImageSnapshot(); |
+} |
+ |
+static void test_mip(SkCanvas* canvas) { |
+ SkAutoTUnref<SkImage> img(make_image());//SkImage::NewFromData(data)); |
+ |
+ SkPaint paint; |
+ const SkRect dst = SkRect::MakeWH(177, 15); |
+ |
+ paint.setTextSize(30); |
+ SkString str; |
+ str.printf("scale %g %g", dst.width() / img->width(), dst.height() / img->height()); |
+// canvas->drawText(str.c_str(), str.size(), 300, 100, paint); |
+ |
+ canvas->translate(20, 20); |
+ for (int i = 0; i < 4; ++i) { |
+ paint.setFilterLevel(SkPaint::FilterLevel(i)); |
+ canvas->drawImageRect(img, NULL, dst, &paint); |
+ canvas->translate(0, 20); |
+ } |
+ canvas->drawImage(img, 20, 20, NULL); |
+} |
+ |
+class MipMapGM : public skiagm::GM { |
+public: |
+ MipMapGM() {} |
+ |
+protected: |
+ SkString onShortName() SK_OVERRIDE { return SkString("mipmap"); } |
+ |
+ SkISize onISize() SK_OVERRIDE { return SkISize::Make(400, 200); } |
+ |
+ void onDraw(SkCanvas* canvas) SK_OVERRIDE { |
+ test_mip(canvas); |
+ } |
+ |
+private: |
+ typedef skiagm::GM INHERITED; |
+}; |
+DEF_GM( return new MipMapGM; ) |
+ |