Convert unit tests, GMs from SkBitmapSource to SkImagesource

gm/offsetimagefilter.cpp

Index: gm/offsetimagefilter.cpp
diff --git a/gm/offsetimagefilter.cpp b/gm/offsetimagefilter.cpp
index fcf2b9843fedc34955be342fd23b89b9f7427b66..eec18cffb9a72d630f5a2cc2e06b1932ee88293a 100644
--- a/gm/offsetimagefilter.cpp
+++ b/gm/offsetimagefilter.cpp
@@ -6,8 +6,10 @@
  */
 
 #include "sk_tool_utils.h"
-#include "SkBitmapSource.h"
+#include "SkImage.h"
+#include "SkImageSource.h"
 #include "SkOffsetImageFilter.h"
+#include "SkSurface.h"
 #include "gm.h"
 
 #define WIDTH 600
@@ -29,36 +31,15 @@ protected:
         return SkISize::Make(WIDTH, HEIGHT);
     }
 
-    void drawClippedBitmap(SkCanvas* canvas, const SkBitmap& bitmap, const SkPaint& paint,
-                           SkScalar scale, const SkIRect& cropRect) {
-        SkRect clipRect = SkRect::MakeIWH(bitmap.width(), bitmap.height());
-
-        canvas->save();
-        canvas->clipRect(clipRect);
-        canvas->scale(scale, scale);
-        canvas->drawBitmap(bitmap, 0, 0, &paint);
-        canvas->restore();
-
-        // Draw a boundary rect around the intersection of the clip rect and crop rect.
-        SkRect cropRectFloat;
-        SkMatrix::MakeScale(scale, scale).mapRect(&cropRectFloat, SkRect::Make(cropRect));
-        if (clipRect.intersect(cropRectFloat)) {
-            SkPaint strokePaint;
-            strokePaint.setStyle(SkPaint::kStroke_Style);
-            strokePaint.setStrokeWidth(2);
-            strokePaint.setColor(SK_ColorRED);
-            canvas->drawRect(clipRect, strokePaint);
-        }
-    }
-
     void onOnceBeforeDraw() override {
-        fBitmap = sk_tool_utils::create_string_bitmap(80, 80, 0xD000D000, 15, 65, 96, "e");
+        fBitmap.reset(SkImage::NewFromBitmap(
+            sk_tool_utils::create_string_bitmap(80, 80, 0xD000D000, 15, 65, 96, "e")));
         
-        fCheckerboard = sk_tool_utils::create_checkerboard_bitmap(
-                                                        80, 80,
-                                                        sk_tool_utils::color_to_565(0xFFA0A0A0),
-                                                        sk_tool_utils::color_to_565(0xFF404040),
-                                                        8);
+        fCheckerboard.reset(SkImage::NewFromBitmap(
+            sk_tool_utils::create_checkerboard_bitmap(80, 80,
+                                                      sk_tool_utils::color_to_565(0xFFA0A0A0),
+                                                      sk_tool_utils::color_to_565(0xFF404040),
+                                                      8)));
     }
 
     void onDraw(SkCanvas* canvas) override {
@@ -66,30 +47,52 @@ protected:
         SkPaint paint;
 
         for (int i = 0; i < 4; i++) {
-            const SkBitmap* bitmap = (i & 0x01) ? &fCheckerboard : &fBitmap;
+            const SkImage* image = (i & 0x01) ? fCheckerboard : fBitmap;
             SkIRect cropRect = SkIRect::MakeXYWH(i * 12,
                                                  i * 8,
-                                                 bitmap->width() - i * 8,
-                                                 bitmap->height() - i * 12);
+                                                 image->width() - i * 8,
+                                                 image->height() - i * 12);
             SkImageFilter::CropRect rect(SkRect::Make(cropRect));
-            SkAutoTUnref<SkImageFilter> tileInput(SkBitmapSource::Create(*bitmap));
+            SkAutoTUnref<SkImageFilter> tileInput(SkImageSource::Create(image));
             SkScalar dx = SkIntToScalar(i*5);
             SkScalar dy = SkIntToScalar(i*10);
             SkAutoTUnref<SkImageFilter> filter(SkOffsetImageFilter::Create(dx, dy, tileInput,
                                                                            &rect));
             paint.setImageFilter(filter);
-            drawClippedBitmap(canvas, *bitmap, paint, 1, cropRect);
-            canvas->translate(SkIntToScalar(bitmap->width() + MARGIN), 0);
+            DrawClippedImage(canvas, image, paint, 1, cropRect);
+            canvas->translate(SkIntToScalar(image->width() + MARGIN), 0);
         }
 
         SkIRect cropRect = SkIRect::MakeXYWH(0, 0, 100, 100);
         SkImageFilter::CropRect rect(SkRect::Make(cropRect));
         SkAutoTUnref<SkImageFilter> filter(SkOffsetImageFilter::Create(-5, -10, nullptr, &rect));
         paint.setImageFilter(filter);
-        drawClippedBitmap(canvas, fBitmap, paint, 2, cropRect);
+        DrawClippedImage(canvas, fBitmap, paint, 2, cropRect);
     }
 private:
-    SkBitmap fBitmap, fCheckerboard;
+    static void DrawClippedImage(SkCanvas* canvas, const SkImage* image, const SkPaint& paint,
+                          SkScalar scale, const SkIRect& cropRect) {
+        SkRect clipRect = SkRect::MakeIWH(image->width(), image->height());
+
+        canvas->save();
+        canvas->clipRect(clipRect);
+        canvas->scale(scale, scale);
+        canvas->drawImage(image, 0, 0, &paint);
+        canvas->restore();
+
+        // Draw a boundary rect around the intersection of the clip rect and crop rect.
+        SkRect cropRectFloat;
+        SkMatrix::MakeScale(scale, scale).mapRect(&cropRectFloat, SkRect::Make(cropRect));
+        if (clipRect.intersect(cropRectFloat)) {
+            SkPaint strokePaint;
+            strokePaint.setStyle(SkPaint::kStroke_Style);
+            strokePaint.setStrokeWidth(2);
+            strokePaint.setColor(SK_ColorRED);
+            canvas->drawRect(clipRect, strokePaint);
+        }
+    }
+
+    SkAutoTUnref<SkImage> fBitmap, fCheckerboard;
 
     typedef skiagm::GM INHERITED;
 };