jvanverth | 2bb3b6d | 2016-04-08 07:24:09 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 8 | #include "tools/viewer/SKPSlide.h" |
jvanverth | 2bb3b6d | 2016-04-08 07:24:09 -0700 | [diff] [blame] | 9 | |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 10 | #include "include/core/SkCanvas.h" |
| 11 | #include "include/core/SkStream.h" |
| 12 | #include "src/core/SkOSFile.h" |
jvanverth | 2bb3b6d | 2016-04-08 07:24:09 -0700 | [diff] [blame] | 13 | |
jvanverth | c265a92 | 2016-04-08 12:51:45 -0700 | [diff] [blame] | 14 | SKPSlide::SKPSlide(const SkString& name, const SkString& path) : fPath(path) { |
jvanverth | 2bb3b6d | 2016-04-08 07:24:09 -0700 | [diff] [blame] | 15 | fName = name; |
| 16 | } |
| 17 | |
| 18 | SKPSlide::~SKPSlide() {} |
| 19 | |
| 20 | void SKPSlide::draw(SkCanvas* canvas) { |
jvanverth | c265a92 | 2016-04-08 12:51:45 -0700 | [diff] [blame] | 21 | if (fPic.get()) { |
| 22 | bool isOffset = SkToBool(fCullRect.left() | fCullRect.top()); |
| 23 | if (isOffset) { |
| 24 | canvas->save(); |
| 25 | canvas->translate(SkIntToScalar(-fCullRect.left()), SkIntToScalar(-fCullRect.top())); |
| 26 | } |
| 27 | |
| 28 | canvas->drawPicture(fPic.get()); |
| 29 | |
| 30 | if (isOffset) { |
| 31 | canvas->restore(); |
| 32 | } |
| 33 | } |
| 34 | } |
| 35 | |
| 36 | static sk_sp<SkPicture> read_picture(const char path[]) { |
bungeman | f93d711 | 2016-09-16 06:24:20 -0700 | [diff] [blame] | 37 | std::unique_ptr<SkStream> stream = SkStream::MakeFromFile(path); |
| 38 | if (!stream) { |
jvanverth | c265a92 | 2016-04-08 12:51:45 -0700 | [diff] [blame] | 39 | SkDebugf("Could not read %s.\n", path); |
| 40 | return nullptr; |
jvanverth | 2bb3b6d | 2016-04-08 07:24:09 -0700 | [diff] [blame] | 41 | } |
| 42 | |
jvanverth | c265a92 | 2016-04-08 12:51:45 -0700 | [diff] [blame] | 43 | auto pic = SkPicture::MakeFromStream(stream.get()); |
| 44 | if (!pic) { |
| 45 | SkDebugf("Could not read %s as an SkPicture.\n", path); |
jvanverth | 2bb3b6d | 2016-04-08 07:24:09 -0700 | [diff] [blame] | 46 | } |
jvanverth | c265a92 | 2016-04-08 12:51:45 -0700 | [diff] [blame] | 47 | return pic; |
| 48 | } |
| 49 | |
jvanverth | c7027ab | 2016-06-16 09:52:35 -0700 | [diff] [blame] | 50 | void SKPSlide::load(SkScalar, SkScalar) { |
jvanverth | c265a92 | 2016-04-08 12:51:45 -0700 | [diff] [blame] | 51 | fPic = read_picture(fPath.c_str()); |
Jim Van Verth | d0cf5da | 2019-09-09 16:53:39 -0400 | [diff] [blame] | 52 | if (fPic) { |
| 53 | fCullRect = fPic->cullRect().roundOut(); |
| 54 | } |
jvanverth | c265a92 | 2016-04-08 12:51:45 -0700 | [diff] [blame] | 55 | } |
| 56 | |
| 57 | void SKPSlide::unload() { |
| 58 | fPic.reset(nullptr); |
jvanverth | 2bb3b6d | 2016-04-08 07:24:09 -0700 | [diff] [blame] | 59 | } |