mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
58e84c8bf0
* Re-land "Support multiple shells in a single process. (#4932)" This reverts commit 723c7d01439da4261bc836075fb55651ce9e7f03.
52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
// Copyright 2015 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#include "flutter/flow/layers/picture_layer.h"
|
|
|
|
#include "lib/fxl/logging.h"
|
|
|
|
namespace flow {
|
|
|
|
PictureLayer::PictureLayer() = default;
|
|
|
|
PictureLayer::~PictureLayer() = default;
|
|
|
|
void PictureLayer::Preroll(PrerollContext* context, const SkMatrix& matrix) {
|
|
SkPicture* sk_picture = picture();
|
|
|
|
if (auto cache = context->raster_cache) {
|
|
raster_cache_result_ = cache->GetPrerolledImage(
|
|
context->gr_context, sk_picture, matrix, context->dst_color_space,
|
|
is_complex_, will_change_);
|
|
}
|
|
|
|
SkRect bounds = sk_picture->cullRect().makeOffset(offset_.x(), offset_.y());
|
|
set_paint_bounds(bounds);
|
|
}
|
|
|
|
void PictureLayer::Paint(PaintContext& context) const {
|
|
TRACE_EVENT0("flutter", "PictureLayer::Paint");
|
|
FXL_DCHECK(picture_.get());
|
|
FXL_DCHECK(needs_painting());
|
|
|
|
SkAutoCanvasRestore save(&context.canvas, true);
|
|
context.canvas.translate(offset_.x(), offset_.y());
|
|
|
|
if (raster_cache_result_.is_valid()) {
|
|
SkPaint paint;
|
|
paint.setFilterQuality(kLow_SkFilterQuality);
|
|
context.canvas.drawImageRect(
|
|
raster_cache_result_.image(), // image
|
|
raster_cache_result_.source_rect(), // source
|
|
raster_cache_result_.destination_rect(), // destination
|
|
&paint, // paint
|
|
SkCanvas::kStrict_SrcRectConstraint // source constraint
|
|
);
|
|
} else {
|
|
context.canvas.drawPicture(picture());
|
|
}
|
|
}
|
|
|
|
} // namespace flow
|