Adding my Bitmap2Path sample for 1on1 meeting.
BUG=
R=reed@google.com, borenet@google.com
Author: dierk@google.com
Review URL: https://chromiumcodereview.appspot.com/16829003
git-svn-id: http://skia.googlecode.com/svn/trunk@9843 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SamplePathUtils.cpp b/samplecode/SamplePathUtils.cpp
new file mode 100644
index 0000000..e7d0c53
--- /dev/null
+++ b/samplecode/SamplePathUtils.cpp
@@ -0,0 +1,85 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SampleCode.h"
+#include "SkCanvas.h"
+#include "SkPathUtils.h"
+#include "SkView.h"
+//#include "SkPathOps.h" // loads fine here, won't in PathUtils src files
+#include "SkRandom.h"
+#include "SkTime.h"
+
+class samplePathUtils : public SampleView {
+public:
+ samplePathUtils() {
+ bmp_paint.setAntiAlias(true); // Black paint for bitmap
+ bmp_paint.setStyle(SkPaint::kFill_Style);
+ bmp_paint.setColor(SK_ColorBLACK);
+ }
+
+protected:
+ static const int numModes = 3;
+ static const int h=8, w=12, stride=2, scale=10; // stride is in bytes
+ static const int numChars = h * stride; // number of chars in entire array
+
+ SkPaint bmp_paint;
+
+ // overrides from SkEventSink
+ virtual bool onQuery(SkEvent* evt) {
+ if (SampleCode::TitleQ(*evt)) {
+ SampleCode::TitleR(evt, "PathUtils");
+ return true;
+ }
+ return this->INHERITED::onQuery(evt);
+ }
+
+ /////////////////////////////////////////////////////////////
+
+ virtual void onDrawContent(SkCanvas* canvas) {
+ // bitmap definitions
+ const char bits[numModes][numChars] = {
+ { 0x18, 0x00, 0x3c, 0x00, 0x7e, 0x00, 0xdb, 0x00,
+ 0xff, 0x00, 0x24, 0x00, 0x5a, 0x00, 0xa5, 0x00 },
+
+ { 0x20, 0x80, 0x91, 0x20, 0xbf, 0xa0, 0xee, 0xe0,
+ 0xff, 0xe0, 0x7f, 0xc0, 0x20, 0x80, 0x40, 0x40 },
+
+ { 0x0f, 0x00, 0x7f, 0xe0, 0xff, 0xf0, 0xe6, 0x70,
+ 0xff, 0xf0, 0x19, 0x80, 0x36, 0xc0, 0xc0, 0x30 }
+ };
+
+ for (int i = 0; i < numModes; ++i) {
+ SkPath path; // generate and simplify each path
+ SkPathUtils::BitsToPath_Path(&path, (char*) &bits[i], h, w, stride);
+
+ canvas->save(); // DRAWING
+ canvas->scale(scale, scale); // scales up each bitmap
+ canvas->translate(0, 1.5f * h * i);
+ canvas->drawPath(path, bmp_paint); // draw bitmap
+ canvas->restore();
+
+ // use the SkRegion method
+ SkPath pathR;
+ SkPathUtils::BitsToPath_Region(&pathR, (char*) &bits[i], h, w, stride);
+
+ canvas->save();
+ canvas->scale(scale, scale); // scales up each bitmap
+ canvas->translate(1.5f * w, 1.5f * h * i); // translates past previous bitmap
+ canvas->drawPath(pathR, bmp_paint); // draw bitmap
+ canvas->restore();
+ }
+ }
+
+private:
+ typedef SkView INHERITED;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+static SkView* MyFactory() { return new samplePathUtils; }
+static SkViewRegister reg(MyFactory)
+;