skia2/gm/internal_links.cpp
Hal Canary bd865e2703 gm: virtual->override
Change-Id: I7782f1d08a03c725bed76078adfb9b84aad34a5f
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/228347
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
2019-07-18 18:07:52 +00:00

73 lines
2.5 KiB
C++

/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "gm/gm.h"
#include "include/core/SkAnnotation.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkColor.h"
#include "include/core/SkData.h"
#include "include/core/SkFont.h"
#include "include/core/SkPaint.h"
#include "include/core/SkPoint.h"
#include "include/core/SkRect.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkScalar.h"
#include "include/core/SkSize.h"
#include "include/core/SkString.h"
#include "include/core/SkTypeface.h"
#include "tools/ToolUtils.h"
namespace {
/** Draws two rectangles. In output formats that support internal links (PDF),
* clicking the one labeled "Link to A" should take you to the one labeled
* "Target A". Note that you'll need to zoom your PDF viewer in a fair bit in
* order for the scrolling to not be blocked by the edge of the document.
*/
class InternalLinksGM : public skiagm::GM {
void onOnceBeforeDraw() override { this->setBGColor(0xFFDDDDDD); }
SkString onShortName() override { return SkString("internal_links"); }
SkISize onISize() override { return {700, 500}; }
void onDraw(SkCanvas* canvas) override {
sk_sp<SkData> name(SkData::MakeWithCString("target-a"));
canvas->save();
canvas->translate(SkIntToScalar(100), SkIntToScalar(100));
drawLabeledRect(canvas, "Link to A", 0, 0);
SkRect rect = SkRect::MakeXYWH(0, 0, SkIntToScalar(50), SkIntToScalar(20));
SkAnnotateLinkToDestination(canvas, rect, name.get());
canvas->restore();
canvas->save();
canvas->translate(SkIntToScalar(200), SkIntToScalar(200));
SkPoint point = SkPoint::Make(SkIntToScalar(100), SkIntToScalar(50));
drawLabeledRect(canvas, "Target A", point.x(), point.y());
SkAnnotateNamedDestination(canvas, point, name.get());
canvas->restore();
}
/** Draw an arbitrary rectangle at a given location and label it with some
* text. */
void drawLabeledRect(SkCanvas* canvas, const char* text, SkScalar x, SkScalar y) {
SkPaint paint;
paint.setColor(SK_ColorBLUE);
SkRect rect = SkRect::MakeXYWH(x, y,
SkIntToScalar(50), SkIntToScalar(20));
canvas->drawRect(rect, paint);
SkFont font(ToolUtils::create_portable_typeface(), 25);
paint.setColor(SK_ColorBLACK);
canvas->drawString(text, x, y, font, paint);
}
};
} // namespace
DEF_GM( return new InternalLinksGM; )