add OVerView slide to samplecode

change inline functions in SkColorPriv.h to static inline



git-svn-id: http://skia.googlecode.com/svn/trunk@415 2bbb7eff-a529-9590-31e7-b0007b416f81

2 files changed, 119 insertions, 12 deletions

diff --git a/samplecode/OverView.cpp b/samplecode/OverView.cpp
new file mode 100644
index 0000000000..e2abec220f
--- /dev/null
+++ b/samplecode/OverView.cpp
@@ -0,0 +1,91 @@
+#include "SampleCode.h"
+#include "SkCanvas.h"
+#include "SkView.h"
+
+static const int N = 8;
+const SkScalar W = SkIntToScalar(640);
+const SkScalar H = SkIntToScalar(480); 
+
+class OverView : public SkView {
+public:
+    OverView(int count, const SkViewFactory factories[]);
+    virtual ~OverView();
+    
+protected:
+    virtual bool onEvent(const SkEvent&);
+    virtual void onSizeChange();
+    
+    virtual void onDraw(SkCanvas* canvas) {
+        canvas->drawColor(SK_ColorLTGRAY);
+    }
+
+    virtual SkCanvas* beforeChildren(SkCanvas*);
+
+    virtual bool onQuery(SkEvent* evt) {
+        if (SampleCode::TitleQ(*evt)) {
+            SampleCode::TitleR(evt, "Overview");
+            return true;
+        }
+        return this->INHERITED::onQuery(evt);
+    }
+
+    virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y) {
+        int ix = (int)(SkScalarDiv(x * N, W));
+        int iy = (int)(SkScalarDiv(y * N, H));
+        if (ix >= 0 && iy >= 0) {
+            SkEvent evt("set-curr-index");
+            evt.setFast32(iy * N + ix);
+            this->sendEventToParents(evt);
+        }
+        return NULL;
+    }
+
+private:
+    int             fCount;
+    const SkViewFactory*  fFactories;
+
+    typedef SkView INHERITED;
+};
+
+SkView* create_overview(int count, const SkViewFactory factories[]);
+SkView* create_overview(int count, const SkViewFactory factories[]) {
+    return SkNEW_ARGS(OverView, (count, factories));
+};
+
+OverView::OverView(int count, const SkViewFactory factories[]) {
+    fCount = count;
+    fFactories = factories;
+}
+
+OverView::~OverView() {
+}
+
+bool OverView::onEvent(const SkEvent& evt) {
+    return this->INHERITED::onEvent(evt);
+}
+
+void OverView::onSizeChange() {
+    this->detachAllChildren();
+    
+    SkScalar locX = 0;
+    SkScalar locY = 0;
+    for (int i = 0; i < fCount; i++) {
+        SkView* view = fFactories[i]();
+        view->setVisibleP(true);
+        this->attachChildToBack(view)->unref();
+        view->setLoc(locX, locY);
+        view->setSize(W, H);
+        locX += W;
+        if ((i % N) == N - 1) {
+            locY += H;
+            locX = 0;
+        }
+    }
+}
+
+SkCanvas* OverView::beforeChildren(SkCanvas* canvas) {
+    canvas->scale(SK_Scalar1 / N, SK_Scalar1 / N);
+    return canvas;
+}
+
+
diff --git a/samplecode/SampleApp.cpp b/samplecode/SampleApp.cpp
index 263b898639..4000ed7e6c 100644
--- a/samplecode/SampleApp.cpp
+++ b/samplecode/SampleApp.cpp
@@ -10,6 +10,8 @@
 
 #include "SampleCode.h"
 
+SkView* create_overview(int, const SkViewFactory*);
+
 //#define SK_SUPPORT_GL
 
 #ifdef SK_SUPPORT_GL
@@ -122,6 +124,7 @@ void SampleCode::PrefSizeR(SkEvent* evt, SkScalar width, SkScalar height) {
 //////////////////////////////////////////////////////////////////////////////
 
 class SampleWindow : public SkOSWindow {
+    SkTDArray<SkViewFactory> fSamples;
 public:
 	SampleWindow(void* hwnd);
 	virtual ~SampleWindow();
@@ -150,7 +153,7 @@ protected:
     virtual bool onHandleKeyUp(SkKey key);
 #endif
 private:
-    const SkViewRegister* fCurr;
+    int fCurrIndex;
     
     SkPicture* fPicture;
     SkGLCanvas* fGLCanvas;
@@ -218,8 +221,15 @@ SampleWindow::SampleWindow(void* hwnd) : INHERITED(hwnd) {
 	this->setConfig(SkBitmap::kARGB_8888_Config);
 	this->setVisibleP(true);
 
-    fCurr = SkViewRegister::Head();
-    this->loadView(fCurr->factory()());
+    {
+        const SkViewRegister* reg = SkViewRegister::Head();
+        while (reg) {
+            *fSamples.append() = reg->factory();
+            reg = reg->next();
+        }
+    }
+    fCurrIndex = 0;
+    this->loadView(NULL);
 }
 
 SampleWindow::~SampleWindow() {
@@ -386,15 +396,9 @@ static SkBitmap::Config cycle_configs(SkBitmap::Config c) {
 }
 
 bool SampleWindow::nextSample() {
-    if (fCurr) {
-        fCurr = fCurr->next();
-        if (NULL == fCurr) {
-            fCurr = SkViewRegister::Head();
-        }
-        this->loadView(fCurr->factory()());
-        return true;
-    }
-    return false;
+    fCurrIndex = (fCurrIndex + 1) % fSamples.count();
+    this->loadView(fSamples[fCurrIndex]());
+    return true;
 }
 
 bool SampleWindow::onEvent(const SkEvent& evt) {
@@ -405,6 +409,11 @@ bool SampleWindow::onEvent(const SkEvent& evt) {
         }
         return true;
     }
+    if (evt.isType("set-curr-index")) {
+        fCurrIndex = evt.getFast32() % fSamples.count();
+        this->loadView(fSamples[fCurrIndex]());
+        return true;
+    }
     return this->INHERITED::onEvent(evt);
 }
 
@@ -522,6 +531,9 @@ bool SampleWindow::onHandleKey(SkKey key) {
                 }
             }
             return true;
+        case kBack_SkKey:
+            this->loadView(NULL);
+            return true;
         default:
             break;
     }
@@ -534,6 +546,10 @@ void SampleWindow::loadView(SkView* view) {
     if (prev) {
         prev->detachFromParent();
     }
+    
+    if (NULL == view) {
+        view = create_overview(fSamples.count(), fSamples.begin());
+    }
     view->setVisibleP(true);
     this->attachChildToFront(view)->unref();
     view->setSize(this->width(), this->height());