Start canonicalizing color for all A8 textblobs

gm/mixedtextblobs.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 
 #include "Resources.h"
 #include "SkCanvas.h"
 #include "SkGradientShader.h"
 #include "SkStream.h"
 #include "SkTextBlob.h"
 #include "SkTypeface.h"
 
 namespace skiagm {
 
-static void add_to_text_blob(SkTextBlobBuilder* builder, const char* text, const SkPaint& origPaint,
-                             SkScalar x, SkScalar y) {
-    SkPaint paint(origPaint);
-    SkTDArray<uint16_t> glyphs;
-
-    size_t len = strlen(text);
-    glyphs.append(paint.textToGlyphs(text, len, NULL));
-    paint.textToGlyphs(text, len, glyphs.begin());
-
-    paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
-    const SkTextBlobBuilder::RunBuffer& run = builder->allocRun(paint, glyphs.count(), x, y,
-                                                                NULL);
-    memcpy(run.glyphs, glyphs.begin(), glyphs.count() * sizeof(uint16_t));
-}
-
 static void draw_blob(SkCanvas* canvas, const SkTextBlob* blob, const SkPaint& skPaint,
                       const SkRect& clipRect) {
     SkPaint clipHairline;
     clipHairline.setColor(SK_ColorWHITE);
     clipHairline.setStyle(SkPaint::kStroke_Style);
 
     SkPaint paint(skPaint);
     canvas->save();
     canvas->drawRect(clipRect, clipHairline);
     paint.setAlpha(0x20);
@@ skipping 40 matching lines @@
         // Text so large we draw as paths
         SkPaint paint;
         paint.setTextSize(384);
         const char* text = "O";
         sk_tool_utils::set_portable_typeface(&paint);
 
         SkRect bounds;
         paint.measureText(text, strlen(text), &bounds);
 
         SkScalar yOffset = bounds.height();
-        add_to_text_blob(&builder, text, paint, 10, yOffset);
+        sk_tool_utils::add_to_text_blob(&builder, text, paint, 10, yOffset);
         SkScalar corruptedAx = bounds.width();
         SkScalar corruptedAy = yOffset;
 
         const SkScalar boundsHalfWidth = bounds.width() * SK_ScalarHalf;
         const SkScalar boundsHalfHeight = bounds.height() * SK_ScalarHalf;
 
         SkScalar xOffset = boundsHalfWidth;
         yOffset = boundsHalfHeight;
 
         // LCD
         paint.setTextSize(32);
         text = "LCD!!!!!";
         paint.setSubpixelText(true);
         paint.setLCDRenderText(true);
         paint.measureText(text, strlen(text), &bounds);
-        add_to_text_blob(&builder, text, paint, xOffset - bounds.width() * 0.25f,
-                                                yOffset - bounds.height() * 0.5f);
+        sk_tool_utils::add_to_text_blob(&builder, text, paint, xOffset - bounds.width() * 0.25f,
+                                        yOffset - bounds.height() * 0.5f);
         yOffset += bounds.height();
 
         // color emoji
         paint.setSubpixelText(false);
         paint.setLCDRenderText(false);
         paint.setTypeface(fEmojiTypeface);
         text = fEmojiText;
         paint.measureText(text, strlen(text), &bounds);
-        add_to_text_blob(&builder, text, paint, xOffset - bounds.width() * 0.3f, yOffset);
+        sk_tool_utils::add_to_text_blob(&builder, text, paint, xOffset - bounds.width() * 0.3f,
+                                        yOffset);
 
         // Corrupted font
         paint.setTextSize(12);
         text = "aA";
         paint.setTypeface(fReallyBigATypeface);
-        add_to_text_blob(&builder, text, paint, corruptedAx, corruptedAy);
+        sk_tool_utils::add_to_text_blob(&builder, text, paint, corruptedAx, corruptedAy);
         fBlob.reset(builder.build());
     }
 
     SkString onShortName() override {
         return SkString("mixedtextblobs");
     }
 
     SkISize onISize() override {
         return SkISize::Make(kWidth, kHeight);
     }
@@ skipping 49 matching lines @@
     static const int kWidth = 1250;
     static const int kHeight = 700;
 
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM( return SkNEW(MixedTextBlobsGM); )
 }