| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "SKPSlide.h" |
| |
| #include "SkCanvas.h" |
| #include "SkCommonFlags.h" |
| #include "SkOSFile.h" |
| #include "SkStream.h" |
| |
| SKPSlide::SKPSlide(const SkString& name, const SkString& path) : fPath(path) { |
| fName = name; |
| } |
| |
| SKPSlide::~SKPSlide() {} |
| |
| void SKPSlide::draw(SkCanvas* canvas) { |
| if (fPic.get()) { |
| bool isOffset = SkToBool(fCullRect.left() | fCullRect.top()); |
| if (isOffset) { |
| canvas->save(); |
| canvas->translate(SkIntToScalar(-fCullRect.left()), SkIntToScalar(-fCullRect.top())); |
| } |
| |
| canvas->drawPicture(fPic.get()); |
| |
| if (isOffset) { |
| canvas->restore(); |
| } |
| } |
| } |
| |
| static sk_sp<SkPicture> read_picture(const char path[]) { |
| SkAutoTDelete<SkStream> stream(SkStream::NewFromFile(path)); |
| if (stream.get() == nullptr) { |
| SkDebugf("Could not read %s.\n", path); |
| return nullptr; |
| } |
| |
| auto pic = SkPicture::MakeFromStream(stream.get()); |
| if (!pic) { |
| SkDebugf("Could not read %s as an SkPicture.\n", path); |
| } |
| return pic; |
| } |
| |
| void SKPSlide::load() { |
| fPic = read_picture(fPath.c_str()); |
| fCullRect = fPic->cullRect().roundOut(); |
| } |
| |
| void SKPSlide::unload() { |
| fPic.reset(nullptr); |
| } |