Converted AAClips SampleApp slide to GM:simpleaaclip

http://codereview.appspot.com/6220043/



git-svn-id: http://skia.googlecode.com/svn/trunk@4025 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 0 insertions, 275 deletions

diff --git a/samplecode/SampleAAClip2.cpp b/samplecode/SampleAAClip2.cpp
deleted file mode 100644
index 6000da059d..0000000000
--- a/samplecode/SampleAAClip2.cpp
+++ /dev/null
@@ -1,275 +0,0 @@
-
-/*
- * Copyright 2011 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-#include "SkAAClip.h"
-#include "SampleCode.h"
-#include "SkView.h"
-#include "SkCanvas.h"
-#include "SkGradientShader.h"
-#include "SkPath.h"
-#include "SkRegion.h"
-#include "SkShader.h"
-#include "SkUtils.h"
-#include "SkImageDecoder.h"
-
-#define USE_PATHS 1
-
-#ifdef SK_BUILD_FOR_WIN
-// windows doesn't have roundf
-inline float roundf(float x) { return (x-floor(x))>0.5 ? ceil(x) : floor(x); }
-#endif
-
-static void drawClip(SkCanvas* canvas, const SkAAClip& clip) {
-    SkMask mask;
-    SkBitmap bm;
-    
-    clip.copyToMask(&mask);
-    SkAutoMaskFreeImage amfi(mask.fImage);
-
-    bm.setConfig(SkBitmap::kA8_Config, mask.fBounds.width(),
-                 mask.fBounds.height(), mask.fRowBytes);
-    bm.setPixels(mask.fImage);
-    
-    SkPaint paint;
-    canvas->drawBitmap(bm,
-                       SK_Scalar1 * mask.fBounds.fLeft,
-                       SK_Scalar1 * mask.fBounds.fTop,
-                       &paint);
-}
-
-static void paint_rgn(SkCanvas* canvas, const SkAAClip& clip,
-                      const SkPaint& paint) {
-    SkMask mask;
-    SkBitmap bm;
-    
-    clip.copyToMask(&mask);
-    SkAutoMaskFreeImage amfi(mask.fImage);
-
-    bm.setConfig(SkBitmap::kA8_Config, mask.fBounds.width(),
-                 mask.fBounds.height(), mask.fRowBytes);
-    bm.setPixels(mask.fImage);
-    
-    canvas->drawBitmap(bm,
-                       SK_Scalar1 * mask.fBounds.fLeft,
-                       SK_Scalar1 * mask.fBounds.fTop,
-                       &paint);
-}
-
-class AAClipView2 : public SampleView {
-public:
-        AAClipView2() {
-        fBase.set(100, 100, 150, 150);
-        fRect = fBase;
-        fRect.inset(5, 5);
-        fRect.offset(25, 25);
-        this->setBGColor(0xFFDDDDDD);
-    }
-
-    static void setAAClip(SkAAClip* clip, const SkIRect& rect) {
-        SkRect r;
-        r.set(rect);
-        SkPath path;
-        path.addRoundRect(r, SkIntToScalar(5), SkIntToScalar(5));
-        clip->setPath(path, NULL, true);
-    }
-
-    void build_rgn(SkAAClip* clip, SkRegion::Op op) {
-        setAAClip(clip, fBase);
-
-        SkAAClip clip2;
-        setAAClip(&clip2, fRect);
-        clip->op(clip2, op);
-    }
-
-protected:
-    // overrides from SkEventSink
-    virtual bool onQuery(SkEvent* evt) {
-        if (SampleCode::TitleQ(*evt)) {
-            SampleCode::TitleR(evt, "AAClips");
-            return true;
-        }
-        return this->INHERITED::onQuery(evt);
-    }
-    
-    void drawOrig(SkCanvas* canvas, bool bg) {
-        SkRect      r;
-        SkPaint     paint;
-        
-        paint.setStyle(SkPaint::kStroke_Style);
-        if (bg)
-            paint.setColor(0xFFBBBBBB);
-        
-        r.set(fBase);
-        canvas->drawRect(r, paint);
-        r.set(fRect);
-        canvas->drawRect(r, paint);
-    }
-    
-    static void outer_frame(SkCanvas* canvas, const SkIRect& rect) {
-        SkRect r;
-        r.set(rect);
-        r.inset(-SK_ScalarHalf, -SK_ScalarHalf);
-        
-        SkPaint paint;
-        paint.setColor(SK_ColorGRAY);
-        paint.setStyle(SkPaint::kStroke_Style);
-        canvas->drawRect(r, paint);
-    }
-
-    void drawRgnOped(SkCanvas* canvas, SkRegion::Op op, SkColor color) {
-
-        SkAAClip clip;
-
-        this->build_rgn(&clip, op);
-        this->drawOrig(canvas, true);
-
-        SkPaint paint;
-        paint.setColor((color & ~(0xFF << 24)) | (0x44 << 24));
-        paint_rgn(canvas, clip, paint);
-
-        paint.setStyle(SkPaint::kStroke_Style);
-        paint.setColor(color);
-        paint_rgn(canvas, clip, paint);
-        SkAAClip clip2(clip);
-        clip2.translate(0, 80);
-        outer_frame(canvas, clip2.getBounds());
-        paint_rgn(canvas, clip2, paint);
-    }
-    
-    static void createPath(SkPath *path, const SkIRect& rect) {
-        SkRect r;
-        r.set(rect);
-        path->addRoundRect(r, SkIntToScalar(5), SkIntToScalar(5));
-    }
-
-    void drawPathsOped(SkCanvas* canvas, SkRegion::Op op, SkColor color) {
-
-        this->drawOrig(canvas, true);
-
-        canvas->save();
-
-        // create the clip mask with the supplied boolean op
-
-#if USE_PATHS
-        // path-based case
-        SkPath base;
-        createPath(&base, fBase);
-
-        canvas->clipPath(base, SkRegion::kReplace_Op, true);
-#else
-        // rect-based case
-        SkRect base;
-        base.set(fBase);
-        // offset the rects so we get a bit of anti-aliasing
-        base.offset(SkFloatToScalar(0.5f), SkFloatToScalar(0.5f));
-        canvas->clipRect(base, SkRegion::kReplace_Op, true);
-
-#endif
-
-#if USE_PATHS
-        // path-based case
-        SkPath rect;
-        createPath(&rect, fRect);
-
-        canvas->clipPath(rect, op, true);
-#else
-        // rect-based case
-        SkRect rect;
-        rect.set(fRect);
-        // offset the rects so we get a bit of anti-aliasing
-        rect.offset(SkFloatToScalar(0.5f), SkFloatToScalar(0.5f));
-        canvas->clipRect(rect, op, true);
-#endif
-
-        // draw a rect that will entirely cover the clip mask area
-        SkPaint paint;
-        paint.setColor(color);
-
-        SkRect r = SkRect::MakeLTRB(SkIntToScalar(90),  SkIntToScalar(90),
-                                    SkIntToScalar(180), SkIntToScalar(180));
-
-        canvas->drawRect(r, paint);
-
-        canvas->restore();
-    }
-
-    virtual void onDrawContent(SkCanvas* canvas) {
-
-        static const struct {
-            SkColor         fColor;
-            const char*     fName;
-            SkRegion::Op    fOp;
-        } gOps[] = {
-            { SK_ColorBLACK,    "Difference", SkRegion::kDifference_Op    },
-            { SK_ColorRED,      "Intersect",  SkRegion::kIntersect_Op     },
-            { 0xFF008800,       "Union",      SkRegion::kUnion_Op         },
-            { SK_ColorBLUE,     "XOR",        SkRegion::kXOR_Op           },
-            { SK_ColorGREEN,    "Rev Diff",   SkRegion::kReverseDifference_Op },
-            { SK_ColorYELLOW,   "Replace",    SkRegion::kReplace_Op       }
-        };
-
-        SkPaint textPaint;
-        textPaint.setAntiAlias(true);
-        textPaint.setTextSize(SK_Scalar1*24);
-
-        this->drawOrig(canvas, false);
-
-        canvas->translate(0, SkIntToScalar(200));
-
-        for (size_t op = 0; op < SK_ARRAY_COUNT(gOps); op++) {
-            canvas->drawText(gOps[op].fName, strlen(gOps[op].fName),
-                             SkIntToScalar(75), SkIntToScalar(50), textPaint);
-
-            this->drawRgnOped(canvas, gOps[op].fOp, gOps[op].fColor);
-
-            if (op && !(op % 3)) {
-                canvas->translate(SkIntToScalar(-600), SkIntToScalar(250));
-            } else {
-                canvas->translate(SkIntToScalar(200), 0);
-            }
-        }
-
-        canvas->translate(SkIntToScalar(int(SK_ARRAY_COUNT(gOps) / 3) * -200), 
-                          SkIntToScalar(250));
-
-        for (size_t op = 0; op < SK_ARRAY_COUNT(gOps); op++) {
-            canvas->drawText(gOps[op].fName, strlen(gOps[op].fName),
-                             SkIntToScalar(75), SkIntToScalar(50), textPaint);
-
-            this->drawPathsOped(canvas, gOps[op].fOp, gOps[op].fColor);
-
-            if (op && !(op % 3)) {
-                canvas->translate(SkIntToScalar(-600), SkIntToScalar(250));
-            } else {
-                canvas->translate(SkIntToScalar(200), 0);
-            }
-        }
-
-    }
-
-    virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y) {
-        return fRect.contains(SkScalarRound(x), SkScalarRound(y)) ? new Click(this) : NULL;
-    }
-    
-    virtual bool onClick(Click* click) {
-        fRect.offset(click->fICurr.fX - click->fIPrev.fX,
-                     click->fICurr.fY - click->fIPrev.fY);
-        this->inval(NULL);
-        return true;
-    }
-    
-private:
-    SkIRect    fBase, fRect;
-    
-    typedef SampleView INHERITED;
-};
-
-//////////////////////////////////////////////////////////////////////////////
-
-static SkView* MyFactory() { return new AAClipView2; }
-static SkViewRegister reg(MyFactory);
-