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Stocks FAB "+" sometimes teleports to near the top left

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The matrix argument to drawPicture doesn't seem to do what we want exactly.
Instead, use the normal matrix in the canvas. Also, handle cull rects with
non-zero left and top coordinates.

Fixes #1229
This commit is contained in:
Adam Barth 2016-01-13 12:31:03 -08:00
parent 4742f4ef6a
commit 6bb4c2374e
1 changed files with 3 additions and 2 deletions
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5
engine/src/flutter/flow/raster_cache.cc
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@ -84,8 +84,9 @@ skia::RefPtr<SkImage> RasterCache::GetPrerolledImage(GrContext* context,
if (surface) {
SkCanvas* canvas = surface->getCanvas();
canvas->clear(SK_ColorTRANSPARENT);
SkMatrix matrix = SkMatrix::MakeScale(scaleX, scaleY);
canvas->drawPicture(picture, &matrix, nullptr);
canvas->translate(-rect.left(), -rect.right());
canvas->scale(scaleX, scaleY);
canvas->drawPicture(picture);
entry.image = skia::AdoptRef(surface->newImageSnapshot());
}
}