drawTextRSXform

src/core/SkPictureRecord.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 "SkPictureRecord.h"
 #include "SkImage_Base.h"
 #include "SkPatchUtils.h"
@@ skipping 585 matching lines @@
     const SkMatrix& m = matrix ? *matrix : SkMatrix::I();
     size_t size = 3 * kUInt32Size + SkAlign4(byteLength) + kUInt32Size + m.writeToMemory(nullptr);
     size_t initialOffset = this->addDraw(DRAW_TEXT_ON_PATH, &size);
     this->addPaint(paint);
     this->addText(text, byteLength);
     this->addPath(path);
     this->addMatrix(m);
     this->validate(initialOffset, size);
 }
 
+void SkPictureRecord::onDrawTextRSXform(const void* text, size_t byteLength,
+                                        const SkRSXform xform[], const SkRect* cull,
+                                        const SkPaint& paint) {
+    const int count = paint.countText(text, byteLength);
+    // [op + paint-index + count + flags + length] + [text] + [xform] + cull
+    size_t size = 5 * kUInt32Size + SkAlign4(byteLength) + count * sizeof(SkRSXform);
+    uint32_t flags = 0;
+    if (cull) {
+        flags |= DRAW_TEXT_RSXFORM_HAS_CULL;
+        size += sizeof(SkRect);
+    }
+
+    size_t initialOffset = this->addDraw(DRAW_TEXT_RSXFORM, &size);
+    this->addPaint(paint);
+    this->addInt(count);
+    this->addInt(flags);
+    this->addText(text, byteLength);
+    fWriter.write(xform, count * sizeof(SkRSXform));
+    if (cull) {
+        fWriter.write(cull, sizeof(SkRect));
+    }
+    this->validate(initialOffset, size);
+}
+
 void SkPictureRecord::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
                                      const SkPaint& paint) {
 
     // op + paint index + blob index + x/y
     size_t size = 3 * kUInt32Size + 2 * sizeof(SkScalar);
     size_t initialOffset = this->addDraw(DRAW_TEXT_BLOB, &size);
 
     this->addPaint(paint);
     this->addTextBlob(blob);
     this->addScalar(x);
@@ skipping 380 matching lines @@
 
 void SkPictureRecord::addTextBlob(const SkTextBlob *blob) {
     int index = fTextBlobRefs.count();
     *fTextBlobRefs.append() = blob;
     blob->ref();
     // follow the convention of recording a 1-based index
     this->addInt(index + 1);
 }
 
 ///////////////////////////////////////////////////////////////////////////////