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Unified Diff: experimental/SkiaExamples/HelloSkiaExample.cpp

Issue 18574002: SkiaExamples improvements. (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: Make diffs usable Created 7 years, 6 months ago
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Index: experimental/SkiaExamples/HelloSkiaExample.cpp
diff --git a/experimental/SkiaExamples/HelloSkiaExample.cpp b/experimental/SkiaExamples/HelloSkiaExample.cpp
deleted file mode 100644
index f25cd76bfabcad6dcbb74584fb20e3f2fa6e5877..0000000000000000000000000000000000000000
--- a/experimental/SkiaExamples/HelloSkiaExample.cpp
+++ /dev/null
@@ -1,112 +0,0 @@
-/*
- * 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 "BaseExample.h"
-
-#include "SkApplication.h"
-#include "SkDraw.h"
-#include "SkGradientShader.h"
-#include "SkGraphics.h"
-#include "SkUnitMappers.h"
-
-class HelloSkia : public BaseExample {
- public:
- HelloSkia(void* hWnd, int argc, char** argv)
- : INHERITED(hWnd, argc, argv)
- {
- fBGColor = SK_ColorWHITE;
- fRotationAngle = SkIntToScalar(0);
-
- setupBackend(kGPU_DeviceType);
- // Another option is software rendering:
- // setupBackend(kRaster_DeviceType);
- }
-
- protected:
- virtual void draw(SkCanvas* canvas) SK_OVERRIDE {
- // Clear background
- canvas->drawColor(fBGColor);
-
- SkPaint paint;
- paint.setColor(SK_ColorRED);
-
- // Draw a rectangle with blue paint
- SkRect rect = {
- SkIntToScalar(10), SkIntToScalar(10),
- SkIntToScalar(128), SkIntToScalar(128)
- };
- canvas->drawRect(rect, paint);
-
- // Set up a linear gradient and draw a circle
- {
- SkPoint linearPoints[] = {
- {SkIntToScalar(0), SkIntToScalar(0)},
- {SkIntToScalar(300), SkIntToScalar(300)}
- };
- SkColor linearColors[] = {SK_ColorGREEN, SK_ColorBLACK};
-
- SkUnitMapper* linearMapper = new SkDiscreteMapper(100);
- SkAutoUnref lm_deleter(linearMapper);
-
- SkShader* shader = SkGradientShader::CreateLinear(
- linearPoints, linearColors, NULL, 2,
- SkShader::kMirror_TileMode, linearMapper);
- SkAutoUnref shader_deleter(shader);
-
- paint.setShader(shader);
- paint.setFlags(SkPaint::kAntiAlias_Flag);
-
- canvas->drawCircle(SkIntToScalar(200), SkIntToScalar(200),
- SkIntToScalar(64), paint);
-
- // Detach shader
- paint.setShader(NULL);
- }
-
-
- // Draw a message with a nice black paint.
- paint.setFlags(
- SkPaint::kAntiAlias_Flag |
- SkPaint::kSubpixelText_Flag | // ... avoid waggly text when rotating.
- SkPaint::kUnderlineText_Flag);
- paint.setColor(SK_ColorBLACK);
- paint.setTextSize(SkIntToScalar(20));
-
- canvas->save();
-
- static const char message[] = "Hello Skia!!!";
-
- // Translate and rotate
- canvas->translate(SkIntToScalar(300), SkIntToScalar(300));
- fRotationAngle += SkDoubleToScalar(0.2);
- if (fRotationAngle > SkDoubleToScalar(360.0)) {
- fRotationAngle -= SkDoubleToScalar(360.0);
- }
- canvas->rotate(fRotationAngle);
-
- // Draw the text:
- canvas->drawText(message, strlen(message), SkIntToScalar(0), SkIntToScalar(0), paint);
-
- canvas->restore();
-
- // Invalidate the window to force a redraw. Poor man's animation mechanism.
- this->inval(NULL);
-
- INHERITED::draw(canvas);
- }
-
- private:
- SkScalar fRotationAngle;
- SkColor fBGColor;
- typedef BaseExample INHERITED;
-};
-
-SkOSWindow* create_sk_window(void* hwnd, int argc, char** argv) {
- return new HelloSkia(hwnd, argc, argv);
-}

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