2a475eae62
Many tests and examples use drawText with a guess of how long the text is in bytes, or a call to strlen(). Add a helper to SkCanvas to simplify these examples. Add another helper for SkString. R=reed@google.com Change-Id: I0204a31e938f065606f08ee7cd9a6b36db791ee2 Reviewed-on: https://skia-review.googlesource.com/13642 Commit-Queue: Cary Clark <caryclark@google.com> Reviewed-by: Cary Clark <caryclark@google.com> Reviewed-by: Mike Reed <reed@google.com> Reviewed-by: Cary Clark <caryclark@skia.org>
79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
/*
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* Copyright 2013 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "gm.h"
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#include "sk_tool_utils.h"
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#include "SkAnnotation.h"
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#include "SkData.h"
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namespace skiagm {
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/** Draws two rectangles. In output formats that support internal links (PDF),
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* clicking the one labeled "Link to A" should take you to the one labeled
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* "Target A". Note that you'll need to zoom your PDF viewer in a fair bit in
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* order for the scrolling to not be blocked by the edge of the document.
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*/
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class InternalLinksGM : public GM {
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public:
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InternalLinksGM() {
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this->setBGColor(sk_tool_utils::color_to_565(0xFFDDDDDD));
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}
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protected:
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virtual SkString onShortName() {
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return SkString("internal_links");
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}
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virtual SkISize onISize() {
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return SkISize::Make(700, 500);
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}
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virtual void onDraw(SkCanvas* canvas) {
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sk_sp<SkData> name(SkData::MakeWithCString("target-a"));
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canvas->save();
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canvas->translate(SkIntToScalar(100), SkIntToScalar(100));
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drawLabeledRect(canvas, "Link to A", 0, 0);
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SkRect rect = SkRect::MakeXYWH(0, 0, SkIntToScalar(50), SkIntToScalar(20));
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SkAnnotateLinkToDestination(canvas, rect, name.get());
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canvas->restore();
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canvas->save();
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canvas->translate(SkIntToScalar(200), SkIntToScalar(200));
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SkPoint point = SkPoint::Make(SkIntToScalar(100), SkIntToScalar(50));
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drawLabeledRect(canvas, "Target A", point.x(), point.y());
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SkAnnotateNamedDestination(canvas, point, name.get());
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canvas->restore();
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}
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private:
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/** Draw an arbitrary rectangle at a given location and label it with some
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* text. */
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void drawLabeledRect(SkCanvas* canvas, const char* text, SkScalar x, SkScalar y) {
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SkPaint paint;
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paint.setColor(SK_ColorBLUE);
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SkRect rect = SkRect::MakeXYWH(x, y,
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SkIntToScalar(50), SkIntToScalar(20));
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canvas->drawRect(rect, paint);
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paint.setAntiAlias(true);
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sk_tool_utils::set_portable_typeface(&paint);
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paint.setTextSize(SkIntToScalar(25));
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paint.setColor(SK_ColorBLACK);
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canvas->drawString(text, x, y, paint);
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}
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typedef GM INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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static GM* MyFactory(void*) { return new InternalLinksGM; }
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static GMRegistry reg(MyFactory);
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}
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