Import all GMs as Samples.

Review URL: http://codereview.appspot.com/5332043/



git-svn-id: http://skia.googlecode.com/svn/trunk@2564 2bbb7eff-a529-9590-31e7-b0007b416f81

28 files changed, 84 insertions, 134 deletions

diff --git a/gm/aarectmodes.cpp b/gm/aarectmodes.cpp
index ffb267d892..4ef1f6083e 100644
--- a/gm/aarectmodes.cpp
+++ b/gm/aarectmodes.cpp
@@ -107,7 +107,6 @@ namespace skiagm {
         virtual SkISize onISize() { return make_isize(640, 480); }
 
         virtual void onDraw(SkCanvas* canvas) {
-            canvas->drawColor(SK_ColorWHITE);
 
             const SkRect bounds = SkRect::MakeWH(W, H);
             static const SkAlpha gAlphaValue[] = { 0xFF, 0x88, 0x88 };
diff --git a/gm/bitmapfilters.cpp b/gm/bitmapfilters.cpp
index 9521cfd0f2..cf98dcdd79 100644
--- a/gm/bitmapfilters.cpp
+++ b/gm/bitmapfilters.cpp
@@ -86,6 +86,7 @@ public:
         fBM8.copyTo(&fBM4444, SkBitmap::kARGB_4444_Config);
         fBM8.copyTo(&fBM16, SkBitmap::kRGB_565_Config);
         fBM8.copyTo(&fBM32, SkBitmap::kARGB_8888_Config);
+        this->setBGColor(0xFFDDDDDD);
     }
 
 protected:
@@ -98,7 +99,6 @@ protected:
     }
 
     virtual void onDraw(SkCanvas* canvas) {
-        canvas->drawColor(0xFFDDDDDD);
 
         SkScalar x = SkIntToScalar(10);
         SkScalar y = SkIntToScalar(10);
diff --git a/gm/bitmapscroll.cpp b/gm/bitmapscroll.cpp
index c12dd058d2..70d105255c 100644
--- a/gm/bitmapscroll.cpp
+++ b/gm/bitmapscroll.cpp
@@ -49,6 +49,7 @@ public:
     BitmapScrollGM() {
         // Create the original bitmap.
         make_bitmap(quarterWidth, quarterHeight, &origBitmap);
+        this->setBGColor(0xFFDDDDDD);
     }
 
 protected:
@@ -68,8 +69,7 @@ protected:
         int xSpacing = quarterWidth * 20;
         int ySpacing = quarterHeight * 16;
 
-        // Draw background and left-hand text labels.
-        canvas->drawColor(0xFFDDDDDD);
+        // Draw left-hand text labels.
         drawLabel(canvas, "scroll entire bitmap",
                   x, y, x, y + ySpacing);
         drawLabel(canvas, "scroll part of bitmap",
diff --git a/gm/blurs.cpp b/gm/blurs.cpp
index ac9432ae5b..69504f70df 100644
--- a/gm/blurs.cpp
+++ b/gm/blurs.cpp
@@ -12,7 +12,9 @@ namespace skiagm {
 
 class BlursGM : public GM {
 public:
-    BlursGM() {}
+    BlursGM() {
+        this->setBGColor(0xFFDDDDDD);
+    }
 
 protected:
     virtual SkString onShortName() {
@@ -23,13 +25,7 @@ protected:
         return make_isize(700, 500);
     }
 
-    void drawBG(SkCanvas* canvas) {
-        canvas->drawColor(0xFFDDDDDD);
-    }
-
     virtual void onDraw(SkCanvas* canvas) {
-        drawBG(canvas);
-
         SkBlurMaskFilter::BlurStyle NONE = SkBlurMaskFilter::BlurStyle(-999);
         static const struct {
             SkBlurMaskFilter::BlurStyle fStyle;
diff --git a/gm/complexclip.cpp b/gm/complexclip.cpp
index 0a4b6c214c..204a3781e8 100644
--- a/gm/complexclip.cpp
+++ b/gm/complexclip.cpp
@@ -16,6 +16,7 @@ namespace skiagm {
 class ComplexClipGM : public GM {
 public:
 	ComplexClipGM() {
+        this->setBGColor(SkColorSetRGB(0xA0,0xDD,0xA0));
     }
 
 protected:
@@ -26,10 +27,6 @@ protected:
 
     SkISize onISize() { return make_isize(550, 1000); }
 
-    void drawBG(SkCanvas* canvas) {
-        canvas->drawColor(SkColorSetRGB(0xA0,0xDD,0xA0));
-    }
-
     virtual void onDraw(SkCanvas* canvas) {
         SkPath path;
         path.moveTo(SkIntToScalar(0),   SkIntToScalar(50));
@@ -70,7 +67,6 @@ protected:
         clipB.close();
         SkColor colorB = SK_ColorRED;
 
-        drawBG(canvas);
         SkPaint paint;
         paint.setAntiAlias(true);
 
diff --git a/gm/complexclip2.cpp b/gm/complexclip2.cpp
index 44a8935d0f..d6b653e384 100644
--- a/gm/complexclip2.cpp
+++ b/gm/complexclip2.cpp
@@ -16,6 +16,8 @@ namespace skiagm {
 class ComplexClip2GM : public GM {
 public:
     ComplexClip2GM() {
+        this->setBGColor(SkColorSetRGB(0xDD,0xA0,0xDD));
+        
         SkScalar xA =  0 * SK_Scalar1;
         SkScalar xB = 10 * SK_Scalar1;
         SkScalar xC = 20 * SK_Scalar1;
@@ -86,12 +88,7 @@ protected:
                           SkScalarRoundToInt(fTotalHeight));
     }
 
-    void drawBG(SkCanvas* canvas) {
-        canvas->drawColor(SkColorSetRGB(0xDD,0xA0,0xDD));
-    }
-
     virtual void onDraw(SkCanvas* canvas) {
-        this->drawBG(canvas);
         SkPaint rectPaint;
         rectPaint.setStyle(SkPaint::kStroke_Style);
         rectPaint.setStrokeWidth(-1);
diff --git a/gm/emptypath.cpp b/gm/emptypath.cpp
index ee9dd0c027..c52932efee 100644
--- a/gm/emptypath.cpp
+++ b/gm/emptypath.cpp
@@ -23,10 +23,6 @@ protected:
         
     SkISize onISize() { return make_isize(600, 280); }
 
-    void drawBG(SkCanvas* canvas) {
-        canvas->drawColor(SK_ColorWHITE);
-    }
-
     void drawEmpty(SkCanvas* canvas,
                     SkColor color,
                     const SkRect& clip,
@@ -44,7 +40,6 @@ protected:
     }
     
     virtual void onDraw(SkCanvas* canvas) {
-        this->drawBG(canvas);
         struct FillAndName {
             SkPath::FillType fFill;
             const char*      fName;
diff --git a/gm/filltypes.cpp b/gm/filltypes.cpp
index 0910f6cb1e..73c718e20b 100644
--- a/gm/filltypes.cpp
+++ b/gm/filltypes.cpp
@@ -13,6 +13,7 @@ class FillTypeGM : public GM {
     SkPath fPath;
 public:
 	FillTypeGM() {
+        this->setBGColor(0xFFDDDDDD);
         const SkScalar radius = SkIntToScalar(45);
         fPath.addCircle(SkIntToScalar(50), SkIntToScalar(50), radius);
         fPath.addCircle(SkIntToScalar(100), SkIntToScalar(100), radius);
@@ -56,8 +57,6 @@ protected:
     }
 
     virtual void onDraw(SkCanvas* canvas) {
-        canvas->drawColor(0xFFDDDDDD);
-        
         canvas->translate(SkIntToScalar(20), SkIntToScalar(20));
         
         SkPaint paint;
diff --git a/gm/gm.cpp b/gm/gm.cpp
new file mode 100644
index 0000000000..cf4b640691
--- /dev/null
+++ b/gm/gm.cpp
@@ -0,0 +1,45 @@
+/*
+ * 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 "gm.h"
+using namespace skiagm;
+
+GM::GM() {
+    fBGColor = SK_ColorWHITE;
+}
+GM::~GM() {}
+
+void GM::draw(SkCanvas* canvas) {
+    this->drawBackground(canvas);
+    this->drawContent(canvas);
+}
+
+void GM::drawContent(SkCanvas* canvas) {
+    this->onDraw(canvas);
+}
+
+void GM::drawBackground(SkCanvas* canvas) {
+    this->onDrawBackground(canvas);
+}
+
+const char* GM::shortName() {
+    if (fShortName.size() == 0) {
+        fShortName = this->onShortName();
+    }
+    return fShortName.c_str();
+}
+
+void GM::setBGColor(SkColor color) {
+    fBGColor = color;
+}
+
+void GM::onDrawBackground(SkCanvas* canvas) {
+    canvas->drawColor(fBGColor);
+}
+
+// need to explicitly declare this, or we get some weird infinite loop llist
+template GMRegistry* SkTRegistry<GM*, void*>::gHead;
diff --git a/gm/gm.h b/gm/gm.h
index 403503479d..4259c39df9 100644
--- a/gm/gm.h
+++ b/gm/gm.h
@@ -35,27 +35,29 @@ namespace skiagm {
             kSkipPicture_Flag   = 1 << 1
         };
 
-		void draw(SkCanvas*);
+        void draw(SkCanvas*);
+        void drawBackground(SkCanvas*);
+        void drawContent(SkCanvas*);
+        
 		SkISize getISize() { return this->onISize(); }
-        const char* shortName() {
-            if (fShortName.size() == 0) {
-                fShortName = this->onShortName();
-            }
-            return fShortName.c_str();
-        }
+        const char* shortName();
 
         uint32_t getFlags() const {
             return this->onGetFlags();
         }
+        
+        void setBGColor(SkColor);
 
 	protected:
 		virtual void onDraw(SkCanvas*) = 0;
+		virtual void onDrawBackground(SkCanvas*);
 		virtual SkISize onISize() = 0;
         virtual SkString onShortName() = 0;
         virtual uint32_t onGetFlags() const { return 0; }
         
     private:
         SkString fShortName;
+        SkColor  fBGColor;
     };
 
     typedef SkTRegistry<GM*, void*> GMRegistry;
diff --git a/gm/gmmain.cpp b/gm/gmmain.cpp
index 35a14f4896..4051feebcd 100644
--- a/gm/gmmain.cpp
+++ b/gm/gmmain.cpp
@@ -41,9 +41,6 @@
 
 using namespace skiagm;
 
-// need to explicitly declare this, or we get some weird infinite loop llist
-template GMRegistry* SkTRegistry<GM*, void*>::gHead;
-
 class Iter {
 public:
     Iter() {
@@ -707,14 +704,3 @@ int main(int argc, char * const argv[]) {
     }
     return 0;
 }
-
-///////////////////////////////////////////////////////////////////////////////
-
-using namespace skiagm;
-
-GM::GM() {}
-GM::~GM() {}
-
-void GM::draw(SkCanvas* canvas) {
-    this->onDraw(canvas);
-}
diff --git a/gm/gradients.cpp b/gm/gradients.cpp
index ae715ced6e..aac8a96940 100644
--- a/gm/gradients.cpp
+++ b/gm/gradients.cpp
@@ -80,7 +80,9 @@ static const GradMaker gGradMakers[] = {
 
 class GradientsGM : public GM {
 public:
-	GradientsGM() {}
+	GradientsGM() {
+        this->setBGColor(0xFFDDDDDD);
+    }
     
 protected:
     SkString onShortName() {
@@ -88,13 +90,8 @@ protected:
     }
     
     virtual SkISize onISize() { return make_isize(640, 510); }
-    
-    void drawBG(SkCanvas* canvas) {
-        canvas->drawColor(0xFFDDDDDD);
-    }
-    
+        
     virtual void onDraw(SkCanvas* canvas) {
-        this->drawBG(canvas);
         
         SkPoint pts[2] = {
             { 0, 0 },
diff --git a/gm/hairmodes.cpp b/gm/hairmodes.cpp
index cbbfe86da9..8bfa186d68 100644
--- a/gm/hairmodes.cpp
+++ b/gm/hairmodes.cpp
@@ -105,8 +105,6 @@ namespace skiagm {
         virtual SkISize onISize() { return make_isize(640, 480); }
         
         virtual void onDraw(SkCanvas* canvas) {
-            canvas->drawColor(SK_ColorWHITE);
-
             const SkRect bounds = SkRect::MakeWH(W, H);
             static const SkAlpha gAlphaValue[] = { 0xFF, 0x88, 0x88 };
             
diff --git a/gm/lcdtext.cpp b/gm/lcdtext.cpp
index e0e895c50a..ab8b8e4b84 100644
--- a/gm/lcdtext.cpp
+++ b/gm/lcdtext.cpp
@@ -30,13 +30,8 @@ protected:
 
     SkISize onISize() { return make_isize(640, 480); }
 
-    void drawBG(SkCanvas* canvas) {
-        canvas->drawColor(SK_ColorWHITE);
-    }
-
     virtual void onDraw(SkCanvas* canvas) {
-        this->drawBG(canvas);
-
+        
         y = textHeight;
         drawText(canvas, SkString("TEXT: SubpixelTrue LCDRenderTrue"),
                  true,  true);
diff --git a/gm/ninepatchstretch.cpp b/gm/ninepatchstretch.cpp
index f18e5fcee5..d1d4dda262 100644
--- a/gm/ninepatchstretch.cpp
+++ b/gm/ninepatchstretch.cpp
@@ -66,8 +66,6 @@ protected:
     }
 
     virtual void onDraw(SkCanvas* canvas) {
-        canvas->drawColor(SK_ColorWHITE);
-
         SkBitmap bm;
         SkIRect center;
         make_bitmap(&bm, NULL /*SampleCode::GetGr()*/, &center);
diff --git a/gm/nocolorbleed.cpp b/gm/nocolorbleed.cpp
index d8e34bf2b1..26b81847e0 100755
--- a/gm/nocolorbleed.cpp
+++ b/gm/nocolorbleed.cpp
@@ -11,7 +11,9 @@ namespace skiagm {
 
 class NoColorBleedGM : public GM {
 public:
-    NoColorBleedGM() {}
+    NoColorBleedGM() {
+        this->setBGColor(0xFFDDDDDD);
+    }
 
 protected:
     virtual SkString onShortName() {
@@ -22,13 +24,7 @@ protected:
         return make_isize(200, 200);
     }
 
-    void drawBG(SkCanvas* canvas) {
-        canvas->drawColor(0xFFDDDDDD);
-    }
-
     virtual void onDraw(SkCanvas* canvas) {
-        drawBG(canvas);
-
         SkBitmap sprite;
         sprite.setConfig(SkBitmap::kARGB_8888_Config, 4, 4, 4*sizeof(SkColor));
         const SkColor spriteData[16] = {
diff --git a/gm/pathfill.cpp b/gm/pathfill.cpp
index 71a45e4070..9d4b3c8701 100644
--- a/gm/pathfill.cpp
+++ b/gm/pathfill.cpp
@@ -125,13 +125,7 @@ protected:
         return make_isize(640, 480);
     }
 
-    void drawBG(SkCanvas* canvas) {
-        canvas->drawColor(SK_ColorWHITE);
-    }
-
     virtual void onDraw(SkCanvas* canvas) {
-        this->drawBG(canvas);
-
         SkPaint paint;
         paint.setAntiAlias(true);
         
diff --git a/gm/points.cpp b/gm/points.cpp
index 8ac85b7485..e4f3c2e027 100644
--- a/gm/points.cpp
+++ b/gm/points.cpp
@@ -23,10 +23,6 @@ protected:
         return make_isize(640, 490);
     }
 
-    void drawBG(SkCanvas* canvas) {
-        canvas->drawColor(SK_ColorWHITE);
-    }
-
     static void fill_pts(SkPoint pts[], size_t n, SkRandom* rand) {
         for (size_t i = 0; i < n; i++) {
             // Compute these independently and store in variables, rather
@@ -39,8 +35,6 @@ protected:
     }
 
     virtual void onDraw(SkCanvas* canvas) {
-        this->drawBG(canvas);
-
         canvas->translate(SK_Scalar1, SK_Scalar1);
 
         SkRandom rand;
diff --git a/gm/poly2poly.cpp b/gm/poly2poly.cpp
index 6a2df87221..df824b5c11 100644
--- a/gm/poly2poly.cpp
+++ b/gm/poly2poly.cpp
@@ -21,10 +21,6 @@ protected:
 	virtual SkISize onISize() {
         return make_isize(835, 840);
     }
-
-    void drawBG(SkCanvas* canvas) {
-        canvas->drawColor(SK_ColorWHITE);
-    }
 	
     static void doDraw(SkCanvas* canvas, SkPaint* paint, const int isrc[],
                        const int idst[], int count) {
@@ -60,9 +56,7 @@ protected:
         canvas->restore();
     }
     
-    virtual void onDraw(SkCanvas* canvas) {
-        this->drawBG(canvas);
-        
+    virtual void onDraw(SkCanvas* canvas) {        
         SkPaint paint;
         paint.setAntiAlias(true);
         paint.setStrokeWidth(SkIntToScalar(4));
diff --git a/gm/shadertext.cpp b/gm/shadertext.cpp
index 2df03cce93..b574ab6ad6 100644
--- a/gm/shadertext.cpp
+++ b/gm/shadertext.cpp
@@ -109,7 +109,9 @@ static const GradMaker gGradMakers[] = {
 
 class ShaderTextGM : public GM {
 public:
-	ShaderTextGM() {}
+	ShaderTextGM() {
+        this->setBGColor(0xFFDDDDDD);
+    }
 
 protected:
 
@@ -119,13 +121,7 @@ protected:
 
 	SkISize onISize() { return make_isize(1450, 500); }
 
-    void drawBG(SkCanvas* canvas) {
-        canvas->drawColor(0xFFDDDDDD);
-    }
-
     virtual void onDraw(SkCanvas* canvas) {
-        this->drawBG(canvas);
-
         const char text[] = "Shaded Text";
         const int textLen = SK_ARRAY_COUNT(text) - 1;
         const int pointSize = 36;
diff --git a/gm/shadows.cpp b/gm/shadows.cpp
index 454fa6a49e..d4dd72fc0c 100644
--- a/gm/shadows.cpp
+++ b/gm/shadows.cpp
@@ -28,6 +28,7 @@ public:
     SkRect fRect;
 
     ShadowsGM() {
+        this->setBGColor(0xFFDDDDDD);
         fCirclePath.addCircle(SkIntToScalar(20), SkIntToScalar(20), SkIntToScalar(10) );
         fRect.set(SkIntToScalar(10), SkIntToScalar(10),
                   SkIntToScalar(30), SkIntToScalar(30));
@@ -42,13 +43,7 @@ protected:
         return make_isize(200, 80);
     }
 
-    void drawBG(SkCanvas* canvas) {
-        canvas->drawColor(0xFFDDDDDD);
-    }
-
     virtual void onDraw(SkCanvas* canvas) {
-        this->drawBG(canvas);
-
     SkBlurDrawLooper* shadowLoopers[5];
     shadowLoopers[0] =
         new SkBlurDrawLooper (SkIntToScalar(10), SkIntToScalar(5),
diff --git a/gm/shapes.cpp b/gm/shapes.cpp
index 09d90fdf28..0f46355aa3 100644
--- a/gm/shapes.cpp
+++ b/gm/shapes.cpp
@@ -50,6 +50,8 @@ class ShapesGM : public GM {
     SkMatrixRef*    fMatrixRefs[4];
 public:
 	ShapesGM() {
+        this->setBGColor(0xFFDDDDDD);
+        
         SkMatrix m;
         fGroup.appendShape(make_shape0(false))->unref();
         m.setRotate(SkIntToScalar(30), SkIntToScalar(50), SkIntToScalar(50));
@@ -83,13 +85,7 @@ protected:
         return make_isize(380, 480);
     }
 
-    void drawBG(SkCanvas* canvas) {
-        canvas->drawColor(0xFFDDDDDD);
-    }
-
     virtual void onDraw(SkCanvas* canvas) {
-        this->drawBG(canvas);
-
         SkMatrix matrix;
 
         SkGroupShape* gs = new SkGroupShape;
diff --git a/gm/strokerects.cpp b/gm/strokerects.cpp
index 44c012029c..92f2a187bd 100644
--- a/gm/strokerects.cpp
+++ b/gm/strokerects.cpp
@@ -46,8 +46,6 @@ protected:
     }
 
     virtual void onDraw(SkCanvas* canvas) {
-        canvas->drawColor(SK_ColorWHITE);
-
         SkPaint paint;
         paint.setStyle(SkPaint::kStroke_Style);
 
diff --git a/gm/strokes.cpp b/gm/strokes.cpp
index d8b21b2f2e..ec265ad7ab 100644
--- a/gm/strokes.cpp
+++ b/gm/strokes.cpp
@@ -49,9 +49,7 @@ protected:
         return make_isize(W, H*2);
     }
     
-    virtual void onDraw(SkCanvas* canvas) {
-        canvas->drawColor(SK_ColorWHITE);
-        
+    virtual void onDraw(SkCanvas* canvas) {        
         SkPaint paint;
         paint.setStyle(SkPaint::kStroke_Style);
         paint.setStrokeWidth(SkIntToScalar(9)/2);
diff --git a/gm/texdata.cpp b/gm/texdata.cpp
index af0a122814..e3547af2fa 100644
--- a/gm/texdata.cpp
+++ b/gm/texdata.cpp
@@ -18,7 +18,9 @@ static const int S = 200;
 
 class TexDataGM : public GM {
 public:
-    TexDataGM() {}
+    TexDataGM() {
+        this->setBGColor(0xff000000);
+    }
 
 protected:
     virtual SkString onShortName() {
@@ -29,12 +31,7 @@ protected:
         return make_isize(2*S, 2*S);
     }
 
-    void drawBG(SkCanvas* canvas) {
-        canvas->drawColor(0xff000000);
-    }
-
     virtual void onDraw(SkCanvas* canvas) {
-        drawBG(canvas);
         SkDevice* device = canvas->getDevice();
         GrRenderTarget* target = (GrRenderTarget*) device->accessRenderTarget();
         GrContext* ctx = GetGr();
diff --git a/gm/tilemodes.cpp b/gm/tilemodes.cpp
index 12b1b09d06..289caae831 100644
--- a/gm/tilemodes.cpp
+++ b/gm/tilemodes.cpp
@@ -80,12 +80,7 @@ protected:
     
 	SkISize onISize() { return make_isize(880, 560); }
     
-    void drawBG(SkCanvas* canvas) {
-        canvas->drawColor(SK_ColorWHITE);
-    }
-    
     virtual void onDraw(SkCanvas* canvas) {
-        this->drawBG(canvas);
         
         SkRect r = { 0, 0, SkIntToScalar(gWidth*2), SkIntToScalar(gHeight*2) };
 
diff --git a/gm/tinybitmap.cpp b/gm/tinybitmap.cpp
index 2c45437b19..d532b5b499 100644
--- a/gm/tinybitmap.cpp
+++ b/gm/tinybitmap.cpp
@@ -35,6 +35,7 @@ class TinyBitmapGM : public GM {
     SkBitmap    fBM;
 public:
     TinyBitmapGM() {
+        this->setBGColor(0xFFDDDDDD);
         fBM = make_bitmap();
     }
     
@@ -46,7 +47,6 @@ protected:
     virtual SkISize onISize() { return make_isize(100, 100); }
 
     virtual void onDraw(SkCanvas* canvas) {
-        canvas->drawColor(0xFFDDDDDD);
         SkShader* s = 
             SkShader::CreateBitmapShader(fBM, SkShader::kRepeat_TileMode,
                                          SkShader::kMirror_TileMode);
diff --git a/gm/xfermodes.cpp b/gm/xfermodes.cpp
index 51a959e656..49770628ae 100644
--- a/gm/xfermodes.cpp
+++ b/gm/xfermodes.cpp
@@ -78,15 +78,9 @@ protected:
         return make_isize(790, 640);
     }
 
-    void drawBG(SkCanvas* canvas) {
-        canvas->drawColor(SK_ColorWHITE);
-    }
-
     virtual void onDraw(SkCanvas* canvas) {
         canvas->translate(SkIntToScalar(10), SkIntToScalar(20));
 
-        this->drawBG(canvas);
-
         const struct {
             SkXfermode::Mode  fMode;
             const char*         fLabel;