SkCanvas::drawPatch param SkPoint[12]

src/pipe/SkGPipeWrite.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 "SkAnnotation.h"
 #include "SkBitmapDevice.h"
 #include "SkBitmapHeap.h"
 #include "SkCanvas.h"
 #include "SkColorFilter.h"
 #include "SkData.h"
 #include "SkDrawLooper.h"
 #include "SkGPipe.h"
 #include "SkGPipePriv.h"
 #include "SkImageFilter.h"
 #include "SkMaskFilter.h"
 #include "SkWriteBuffer.h"
 #include "SkPaint.h"
+#include "SkPatchUtils.h"
 #include "SkPathEffect.h"
 #include "SkPictureFlat.h"
 #include "SkRasterizer.h"
 #include "SkRRect.h"
 #include "SkShader.h"
 #include "SkStream.h"
 #include "SkTSearch.h"
 #include "SkTypeface.h"
 #include "SkWriter32.h"
 
@@ skipping 215 matching lines @@
                                   const SkPaint*) SK_OVERRIDE;
     virtual void drawBitmapNine(const SkBitmap& bitmap, const SkIRect& center,
                                 const SkRect& dst, const SkPaint* paint = NULL) SK_OVERRIDE;
     virtual void drawSprite(const SkBitmap&, int left, int top,
                             const SkPaint*) SK_OVERRIDE;
     virtual void drawVertices(VertexMode, int vertexCount,
                           const SkPoint vertices[], const SkPoint texs[],
                           const SkColor colors[], SkXfermode*,
                           const uint16_t indices[], int indexCount,
                               const SkPaint&) SK_OVERRIDE;
-    virtual void drawPatch(const SkPatch& patch, const SkPaint& paint) SK_OVERRIDE;
     virtual void drawData(const void*, size_t) SK_OVERRIDE;
     virtual void beginCommentGroup(const char* description) SK_OVERRIDE;
     virtual void addComment(const char* kywd, const char* value) SK_OVERRIDE;
     virtual void endCommentGroup() SK_OVERRIDE;
 
     /**
      * Flatten an SkBitmap to send to the reader, where it will be referenced
      * according to slot.
      */
     bool shuttleBitmap(const SkBitmap&, int32_t slot);
 
 protected:
     virtual void willSave() SK_OVERRIDE;
     virtual SaveLayerStrategy willSaveLayer(const SkRect*, const SkPaint*, SaveFlags) SK_OVERRIDE;
     virtual void willRestore() SK_OVERRIDE;
 
     virtual void didConcat(const SkMatrix&) SK_OVERRIDE;
     virtual void didSetMatrix(const SkMatrix&) SK_OVERRIDE;
 
     virtual void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) SK_OVERRIDE;
     virtual void onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y,
                             const SkPaint&) SK_OVERRIDE;
     virtual void onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[],
                                const SkPaint&) SK_OVERRIDE;
     virtual void onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[],
                                 SkScalar constY, const SkPaint&) SK_OVERRIDE;
     virtual void onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path,
                                   const SkMatrix* matrix, const SkPaint&) SK_OVERRIDE;
-
+    virtual void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],
+                             const SkPoint texCoords[4], SkXfermode* xmode,
+                             const SkPaint& paint) SK_OVERRIDE;
     virtual void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE;
     virtual void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE;
     virtual void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) SK_OVERRIDE;
     virtual void onClipRegion(const SkRegion&, SkRegion::Op) SK_OVERRIDE;
 
     virtual void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*) SK_OVERRIDE;
 
 private:
     void recordTranslate(const SkMatrix&);
     void recordScale(const SkMatrix&);
@@ skipping 699 matching lines @@
             SkAssertResult(xfer->asMode(&mode));
             fWriter.write32(mode);
         }
         if (flags & kDrawVertices_HasIndices_DrawOpFlag) {
             fWriter.write32(indexCount);
             fWriter.writePad(indices, indexCount * sizeof(uint16_t));
         }
     }
 }
 
-void SkGPipeCanvas::drawPatch(const SkPatch& patch, const SkPaint& paint) {
+void SkGPipeCanvas::onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],
+                                const SkPoint texCoords[4], SkXfermode* xmode,
+                                const SkPaint& paint) {
     NOTIFY_SETUP(this);
+    
+    size_t size = SkPatchUtils::kNumCtrlPts * sizeof(SkPoint);
+    unsigned flags = 0;
+    if (NULL != colors) {
+        flags |= kDrawVertices_HasColors_DrawOpFlag;
+        size += SkPatchUtils::kNumCorners * sizeof(SkColor);
+    }
+    if (NULL != texCoords) {
+        flags |= kDrawVertices_HasTexs_DrawOpFlag;
+        size += SkPatchUtils::kNumCorners * sizeof(SkPoint);
+    }
+    if (NULL != xmode) {
+        SkXfermode::Mode mode;
+        if (xmode->asMode(&mode) && SkXfermode::kModulate_Mode != mode) {
+            flags |= kDrawVertices_HasXfermode_DrawOpFlag;
+            size += sizeof(int32_t);
+        }
+    }
+    
     this->writePaint(paint);
-    if (this->needOpBytes(patch.writeToMemory(NULL))) {
-        this->writeOp(kDrawPatch_DrawOp);
-        fWriter.writePatch(patch);
+    if (this->needOpBytes(size)) {
+        this->writeOp(kDrawPatch_DrawOp, flags, 0);
+        
+        fWriter.write(cubics, SkPatchUtils::kNumCtrlPts * sizeof(SkPoint));
+        
+        if (NULL != colors) {
+            fWriter.write(colors, SkPatchUtils::kNumCorners * sizeof(SkColor));
+        }
+        
+        if (NULL != texCoords) {
+            fWriter.write(texCoords, SkPatchUtils::kNumCorners * sizeof(SkPoint));
+        }
+        
+        if (flags & kDrawVertices_HasXfermode_DrawOpFlag) {
+            SkXfermode::Mode mode = SkXfermode::kModulate_Mode;
+            SkAssertResult(xmode->asMode(&mode));
+            fWriter.write32(mode);
+        }
     }
 }
 
 void SkGPipeCanvas::drawData(const void* ptr, size_t size) {
     if (size && ptr) {
         NOTIFY_SETUP(this);
         unsigned data = 0;
         if (size < (1 << DRAWOPS_DATA_BITS)) {
             data = (unsigned)size;
         }
@@ skipping 253 matching lines @@
     return fCanvas->shuttleBitmap(bitmap, slot);
 }
 
 void BitmapShuttle::removeCanvas() {
     if (NULL == fCanvas) {
         return;
     }
     fCanvas->unref();
     fCanvas = NULL;
 }