Add drawBitmapLattice() API

src/core/SkCanvas.cpp

 /*
  * Copyright 2008 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBitmapDevice.h"
 #include "SkCanvas.h"
 #include "SkCanvasPriv.h"
 #include "SkClipStack.h"
 #include "SkColorFilter.h"
 #include "SkDraw.h"
 #include "SkDrawable.h"
 #include "SkDrawFilter.h"
 #include "SkDrawLooper.h"
 #include "SkErrorInternals.h"
 #include "SkImage.h"
 #include "SkImage_Base.h"
 #include "SkImageFilter.h"
 #include "SkImageFilterCache.h"
+#include "SkLatticeIter.h"
 #include "SkMatrixUtils.h"
 #include "SkMetaData.h"
-#include "SkNinePatchIter.h"
 #include "SkPaintPriv.h"
 #include "SkPatchUtils.h"
 #include "SkPicture.h"
 #include "SkRasterClip.h"
 #include "SkReadPixelsRec.h"
 #include "SkRRect.h"
 #include "SkSmallAllocator.h"
 #include "SkSpecialImage.h"
 #include "SkSurface_Base.h"
 #include "SkTextBlob.h"
@@ skipping 1943 matching lines @@
     this->drawImageRect(image, SkRect::MakeIWH(image->width(), image->height()), dst, paint,
                         constraint);
 }
 
 void SkCanvas::drawImageNine(const SkImage* image, const SkIRect& center, const SkRect& dst,
                              const SkPaint* paint) {
     RETURN_ON_NULL(image);
     if (dst.isEmpty()) {
         return;
     }
-    if (!SkNinePatchIter::Valid(image->width(), image->height(), center)) {
+    if (!SkLatticeIter::Valid(image->width(), image->height(), center)) {
         this->drawImageRect(image, dst, paint);
     }
     this->onDrawImageNine(image, center, dst, paint);
 }
 
 void SkCanvas::drawBitmap(const SkBitmap& bitmap, SkScalar dx, SkScalar dy, const SkPaint* paint) {
     if (bitmap.drawsNothing()) {
         return;
     }
     this->onDrawBitmap(bitmap, dx, dy, paint);
@@ skipping 16 matching lines @@
                               SrcRectConstraint constraint) {
     this->drawBitmapRect(bitmap, SkRect::MakeIWH(bitmap.width(), bitmap.height()), dst, paint,
                          constraint);
 }
 
 void SkCanvas::drawBitmapNine(const SkBitmap& bitmap, const SkIRect& center, const SkRect& dst,
                               const SkPaint* paint) {
     if (bitmap.drawsNothing() || dst.isEmpty()) {
         return;
     }
-    if (!SkNinePatchIter::Valid(bitmap.width(), bitmap.height(), center)) {
+    if (!SkLatticeIter::Valid(bitmap.width(), bitmap.height(), center)) {
         this->drawBitmapRect(bitmap, dst, paint);
     }
     this->onDrawBitmapNine(bitmap, center, dst, paint);
 }
 
+void SkCanvas::drawBitmapLattice(const SkBitmap& bitmap, const Lattice& lattice, const SkRect& dst,
+                                 const SkPaint* paint) {
+    sk_sp<SkImage> image = SkImage::MakeFromBitmap(bitmap);
+    this->drawImageLattice(image.get(), lattice, dst, paint);
+}
+
+void SkCanvas::drawImageLattice(const SkImage* image, const Lattice& lattice, const SkRect& dst,
+                                const SkPaint* paint) {
+    RETURN_ON_NULL(image);
+    if (dst.isEmpty()) {
+        return;
+    }
+    if (!SkLatticeIter::Valid(image->width(), image->height(), lattice)) {
+        this->drawImageRect(image, dst, paint);
+    }
+    this->onDrawImageLattice(image, lattice, dst, paint);
+}
+
 void SkCanvas::drawAtlas(const SkImage* atlas, const SkRSXform xform[], const SkRect tex[],
                          const SkColor colors[], int count, SkXfermode::Mode mode,
                          const SkRect* cull, const SkPaint* paint) {
     RETURN_ON_NULL(atlas);
     if (count <= 0) {
         return;
     }
     SkASSERT(atlas);
     SkASSERT(xform);
     SkASSERT(tex);
@@ skipping 284 matching lines @@
                                       SkScalarRoundToInt(pt.fX),
                                       SkScalarRoundToInt(pt.fY), pnt);
         } else {
             iter.fDevice->drawImage(iter, image, x, y, pnt);
         }
     }
 
     LOOPER_END
 }
 
+void SkCanvas::onDrawImageLattice(const SkImage* image, const Lattice& lattice, const SkRect& dst,
+                                  const SkPaint* paint) {
+    if (nullptr == paint || paint->canComputeFastBounds()) {
+        SkRect storage;
+        if (this->quickReject(paint ? paint->computeFastBounds(dst, &storage) : dst)) {
+            return;
+        }
+    }
+
+    SkLazyPaint lazy;
+    if (nullptr == paint) {
+        paint = lazy.init();
+    }
+
+    LOOPER_BEGIN(*paint, SkDrawFilter::kBitmap_Type, &dst)
+
+    while (iter.next()) {
+        iter.fDevice->drawImageLattice(iter, image, lattice, dst, looper.paint());
+    }
+
+    LOOPER_END
+}
+
 void SkCanvas::onDrawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst,
                                const SkPaint* paint, SrcRectConstraint constraint) {
     TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawImageRect()");
     if (nullptr == paint || paint->canComputeFastBounds()) {
         SkRect storage = dst;
         if (paint) {
             paint->computeFastBounds(dst, &storage);
         }
         if (this->quickReject(storage)) {
             return;
@@ skipping 778 matching lines @@
 
 SkAutoCanvasMatrixPaint::~SkAutoCanvasMatrixPaint() {
     fCanvas->restoreToCount(fSaveCount);
 }
 
 #ifdef SK_SUPPORT_LEGACY_NEW_SURFACE_API
 SkSurface* SkCanvas::newSurface(const SkImageInfo& info, const SkSurfaceProps* props) {
     return this->makeSurface(info, props).release();
 }
 #endif