skia2/tools/ok_vias.cpp
Mike Klein e15a7b528e ok, most features can be vias
This refactors most features out of ok's core into vias:
   -w    --> a .png dumping via, "png", opening the door to other types
   -m/-s --> a filtering via "filter"

Everything now can print a brief help message too.

Change-Id: I9e653aab98fd57182a6d458c7a80052130980284
Reviewed-on: https://skia-review.googlesource.com/10509
Reviewed-by: Mike Klein <mtklein@chromium.org>
Commit-Queue: Mike Klein <mtklein@chromium.org>
2017-03-31 03:03:18 +00:00

120 lines
3.4 KiB
C++

/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkOSFile.h"
#include "SkPictureRecorder.h"
#include "ok.h"
#include <regex>
static std::unique_ptr<Src> proxy(Src* original, std::function<Status(SkCanvas*)> fn) {
struct : Src {
Src* original;
std::function<Status(SkCanvas*)> fn;
std::string name() override { return original->name(); }
SkISize size() override { return original->size(); }
Status draw(SkCanvas* canvas) override { return fn(canvas); }
} src;
src.original = original;
src.fn = fn;
return move_unique(src);
}
struct ViaPic : Dst {
std::unique_ptr<Dst> target;
bool rtree = false;
static std::unique_ptr<Dst> Create(Options options, std::unique_ptr<Dst> dst) {
ViaPic via;
via.target = std::move(dst);
if (options("bbh") == "rtree") { via.rtree = true; }
return move_unique(via);
}
Status draw(Src* src) override {
SkRTreeFactory factory;
SkPictureRecorder rec;
rec.beginRecording(SkRect::MakeSize(SkSize::Make(src->size())),
rtree ? &factory : nullptr);
for (auto status = src->draw(rec.getRecordingCanvas()); status != Status::OK; ) {
return status;
}
auto pic = rec.finishRecordingAsPicture();
return target->draw(proxy(src, [=](SkCanvas* canvas) {
pic->playback(canvas);
return Status::OK;
}).get());
}
sk_sp<SkImage> image() override {
return target->image();
}
};
static Register via_pic{"via_pic", "record then play back an SkPicture", ViaPic::Create};
struct Png : Dst {
std::unique_ptr<Dst> target;
std::string dir;
static std::unique_ptr<Dst> Create(Options options, std::unique_ptr<Dst> dst) {
Png via;
via.target = std::move(dst);
via.dir = options("dir", "ok");
return move_unique(via);
}
Status draw(Src* src) override {
for (auto status = target->draw(src); status != Status::OK; ) {
return status;
}
auto image = target->image();
sk_sp<SkData> png{image->encode()};
sk_mkdir(dir.c_str());
SkFILEWStream{(dir + "/" + src->name() + ".png").c_str()}
.write(png->data(), png->size());
return Status::OK;
}
sk_sp<SkImage> image() override {
return target->image();
}
};
static Register png{"png", "dump PNGs to dir=ok" , Png::Create};
struct Filter : Dst {
std::unique_ptr<Dst> target;
std::regex match, search;
static std::unique_ptr<Dst> Create(Options options, std::unique_ptr<Dst> dst) {
Filter via;
via.target = std::move(dst);
via.match = options("match", ".*");
via.search = options("search", ".*");
return move_unique(via);
}
Status draw(Src* src) override {
auto name = src->name();
if (!std::regex_match (name, match) ||
!std::regex_search(name, search)) {
return Status::Skipped;
}
return target->draw(src);
}
sk_sp<SkImage> image() override {
return target->image();
}
};
struct Register filter{"filter",
"run only srcs matching match=.* exactly and search=.* somewhere",
Filter::Create};