SkTextBlob

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 "SkCanvas.h"
 #include "SkCanvasPriv.h"
 #include "SkBitmapDevice.h"
 #include "SkDeviceImageFilterProxy.h"
 #include "SkDraw.h"
 #include "SkDrawFilter.h"
 #include "SkDrawLooper.h"
 #include "SkMetaData.h"
 #include "SkPathOps.h"
 #include "SkPatchUtils.h"
 #include "SkPicture.h"
 #include "SkRasterClip.h"
 #include "SkRRect.h"
 #include "SkSmallAllocator.h"
 #include "SkSurface_Base.h"
 #include "SkTemplates.h"
+#include "SkTextBlob.h"
 #include "SkTextFormatParams.h"
 #include "SkTLazy.h"
 #include "SkUtils.h"
 
 #if SK_SUPPORT_GPU
 #include "GrRenderTarget.h"
 #endif
 
 // experimental for faster tiled drawing...
 //#define SK_ENABLE_CLIP_QUICKREJECT
@@ skipping 2179 matching lines @@
     LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL)
 
     while (iter.next()) {
         iter.fDevice->drawTextOnPath(iter, text, byteLength, path,
                                      matrix, looper.paint());
     }
 
     LOOPER_END
 }
 
+void SkCanvas::onDrawTextBlob(const SkTextBlob* blob, const SkPoint& offset,
+                              const SkPaint& paint) {
+    SkASSERT(blob);
+
+    // FIXME: should we send the offset to the device?
+    if (!offset.isZero()) {
+        translate(offset.x(), offset.y());
+    }
+
+    LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL)
+
+    while (iter.next()) {
+        SkDeviceFilteredPaint dfp(iter.fDevice, looper.paint());
+        iter.fDevice->drawTextBlob(iter, blob, dfp.paint());
+        // DrawTextDecorations?
+    }
+
+    LOOPER_END
+
+    if (!offset.isZero()) {
+        translate(-offset.x(), -offset.y());
+    }
+}
+
 // These will become non-virtual, so they always call the (virtual) onDraw... method
 void SkCanvas::drawText(const void* text, size_t byteLength, SkScalar x, SkScalar y,
                         const SkPaint& paint) {
     this->onDrawText(text, byteLength, x, y, paint);
 }
 void SkCanvas::drawPosText(const void* text, size_t byteLength, const SkPoint pos[],
                            const SkPaint& paint) {
     this->onDrawPosText(text, byteLength, pos, paint);
 }
 void SkCanvas::drawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[],
                             SkScalar constY, const SkPaint& paint) {
     this->onDrawPosTextH(text, byteLength, xpos, constY, paint);
 }
 void SkCanvas::drawTextOnPath(const void* text, size_t byteLength, const SkPath& path,
                               const SkMatrix* matrix, const SkPaint& paint) {
     this->onDrawTextOnPath(text, byteLength, path, matrix, paint);
 }
 
+void SkCanvas::drawTextBlob(const SkTextBlob* blob, const SkPoint& offset,
+                            const SkPaint& paint) {
+    if (NULL != blob) {
+        this->onDrawTextBlob(blob, offset, paint);
+    }
+}
+
 void SkCanvas::drawVertices(VertexMode vmode, int vertexCount,
                             const SkPoint verts[], const SkPoint texs[],
                             const SkColor colors[], SkXfermode* xmode,
                             const uint16_t indices[], int indexCount,
                             const SkPaint& paint) {
     LOOPER_BEGIN(paint, SkDrawFilter::kPath_Type, NULL)
 
     while (iter.next()) {
         iter.fDevice->drawVertices(iter, vmode, vertexCount, verts, texs,
                                    colors, xmode, indices, indexCount,
@@ skipping 300 matching lines @@
     }
     
     if (NULL != matrix) {
         canvas->concat(*matrix);
     }
 }
 
 SkAutoCanvasMatrixPaint::~SkAutoCanvasMatrixPaint() {
     fCanvas->restoreToCount(fSaveCount);
 }