fix for blur large glyphs problems

fix for blur large glyphs problems

BUG=skia:

Committed: https://skia.googlesource.com/skia/+/fc0725645cee5dabc8d282da4c1fab7335152e15

[joshualitt, 2015-05-13 18:06:07]

joshualitt@google.com changed reviewers:
+ bsalomon@google.com, joshualitt@google.com, jvanverth@google.com

[joshualitt, 2015-05-13 18:06:08]

ptal

[jvanverth1, 2015-05-13 18:08:58]

lgtm

[joshualitt, 2015-05-13 18:10:24]

The CQ bit was checked by joshualitt@google.com

[commit-bot: I haz the power, 2015-05-13 18:10:41]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1131023006/1

[commit-bot: I haz the power, 2015-05-13 18:10:45]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-05-13 18:10:46]

Failed to apply patch for src/gpu/GrAtlasTextContext.cpp:
While running git apply --index -3 -p1;
  error: patch failed: src/gpu/GrAtlasTextContext.cpp:2147
  error: repository lacks the necessary blob to fall back on 3-way merge.
  error: src/gpu/GrAtlasTextContext.cpp: patch does not apply

Patch:       src/gpu/GrAtlasTextContext.cpp
Index: src/gpu/GrAtlasTextContext.cpp
diff --git a/src/gpu/GrAtlasTextContext.cpp b/src/gpu/GrAtlasTextContext.cpp
index
9b863f806c4da5b12cda6a6925c01763fe7d6388..11866b3b8a56dcc52d12b3dfb27d6b4cbeb0fc03
100644
--- a/src/gpu/GrAtlasTextContext.cpp
+++ b/src/gpu/GrAtlasTextContext.cpp
@@ -2147,13 +2147,24 @@ inline void
GrAtlasTextContext::flushBigGlyphs(BitmapTextBlob* cacheBlob, GrRend
                                                const SkPaint& skPaint,
                                                SkScalar transX, SkScalar
transY,
                                                const SkIRect& clipBounds) {
+    if (!cacheBlob->fBigGlyphs.count()) {
+        return;
+    }
+
+    SkMatrix pathMatrix;
+    if (!cacheBlob->fViewMatrix.invert(&pathMatrix)) {
+        SkDebugf("could not invert viewmatrix\n");
+        return;
+    }
+
     for (int i = 0; i < cacheBlob->fBigGlyphs.count(); i++) {
         BitmapTextBlob::BigGlyph& bigGlyph = cacheBlob->fBigGlyphs[i];
         bigGlyph.fVx += transX;
         bigGlyph.fVy += transY;
-        SkMatrix translate;
-        translate.setTranslate(bigGlyph.fVx, bigGlyph.fVy);
-        fGpuDevice->internalDrawPath(bigGlyph.fPath, skPaint, SkMatrix::I(),
&translate, clipBounds,
+        SkMatrix translate = cacheBlob->fViewMatrix;
+        translate.postTranslate(bigGlyph.fVx, bigGlyph.fVy);
+
+        fGpuDevice->internalDrawPath(bigGlyph.fPath, skPaint, translate,
&pathMatrix, clipBounds,
                                      false);
     }
 }

[joshualitt, 2015-05-13 19:07:28]

The CQ bit was checked by joshualitt@google.com

[commit-bot: I haz the power, 2015-05-13 19:07:48]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1131023006/1

[commit-bot: I haz the power, 2015-05-13 19:15:11]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/fc0725645cee5dabc8d282da4c1fab7335152e15