add src-rect-constraint to drawImageRect

src/core/SkDevice.cpp

 /*
  * 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 "SkColorFilter.h"
 #include "SkDevice.h"
 #include "SkDraw.h"
@@ skipping 136 matching lines @@
 void SkBaseDevice::drawImage(const SkDraw& draw, const SkImage* image, SkScalar x, SkScalar y,
                              const SkPaint& paint) {
     // Default impl : turns everything into raster bitmap
     SkBitmap bm;
     if (as_IB(image)->getROPixels(&bm)) {
         this->drawBitmap(draw, bm, SkMatrix::MakeTrans(x, y), paint);
     }
 }
 
 void SkBaseDevice::drawImageRect(const SkDraw& draw, const SkImage* image, const SkRect* src,
-                                 const SkRect& dst, const SkPaint& paint) {
+                                 const SkRect& dst, const SkPaint& paint,
+                                 SkCanvas::SrcRectConstraint constraint) {
     // Default impl : turns everything into raster bitmap
     SkBitmap bm;
     if (as_IB(image)->getROPixels(&bm)) {
-        this->drawBitmapRect(draw, bm, src, dst, paint, SkCanvas::kNone_DrawBitmapRectFlag);
+        this->drawBitmapRect(draw, bm, src, dst, paint, (SK_VIRTUAL_CONSTRAINT_TYPE)constraint);
     }
 }
 
 void SkBaseDevice::drawImageNine(const SkDraw& draw, const SkImage* image, const SkIRect& center,
                                  const SkRect& dst, const SkPaint& paint) {
     SkNinePatchIter iter(image->width(), image->height(), center, dst);
 
     SkRect srcR, dstR;
     while (iter.next(&srcR, &dstR)) {
-        this->drawImageRect(draw, image, &srcR, dstR, paint);
+        this->drawImageRect(draw, image, &srcR, dstR, paint, SkCanvas::kStrict_SrcRectConstraint);
     }
 }
 
 void SkBaseDevice::drawBitmapNine(const SkDraw& draw, const SkBitmap& bitmap, const SkIRect& center,
                                   const SkRect& dst, const SkPaint& paint) {
     SkNinePatchIter iter(bitmap.width(), bitmap.height(), center, dst);
     
     SkRect srcR, dstR;
     while (iter.next(&srcR, &dstR)) {
-        this->drawBitmapRect(draw, bitmap, &srcR, dstR, paint, SkCanvas::kNone_DrawBitmapRectFlag);
+        this->drawBitmapRect(draw, bitmap, &srcR, dstR, paint,
+                             (SK_VIRTUAL_CONSTRAINT_TYPE)SkCanvas::kStrict_SrcRectConstraint);
     }
 }
 
 void SkBaseDevice::drawAtlas(const SkDraw& draw, const SkImage* atlas, const SkRSXform xform[],
                              const SkRect tex[], const SkColor colors[], int count,
                              SkXfermode::Mode mode, const SkPaint& paint) {
     SkPath path;
     path.setIsVolatile(true);
 
     for (int i = 0; i < count; ++i) {
@@ skipping 215 matching lines @@
     if (kUnknown_SkPixelGeometry == fSurfaceProps.pixelGeometry()
         || this->onShouldDisableLCD(paint)) {
 
         flags &= ~SkPaint::kLCDRenderText_Flag;
         flags |= SkPaint::kGenA8FromLCD_Flag;
     }
 
     return flags;
 }