7fde8e1728
This almost gets gms to be iwyu clean. The last bit is around gm.cpp and the tracing framework and its use of atomic. Will also need a way of keeping things from regressing, which is difficult due to needing to do this outside-in. Change-Id: I1393531e99da8b0f1a29f55c53c86d53f459af7d Reviewed-on: https://skia-review.googlesource.com/c/skia/+/211593 Reviewed-by: Herb Derby <herb@google.com> Commit-Queue: Ben Wagner <bungeman@google.com>
170 lines
5.7 KiB
C++
170 lines
5.7 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/gm.h"
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#include "include/core/SkCanvas.h"
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#include "include/core/SkColor.h"
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#include "include/core/SkFont.h"
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#include "include/core/SkFontTypes.h"
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#include "include/core/SkPaint.h"
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#include "include/core/SkRect.h"
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#include "include/core/SkRefCnt.h"
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#include "include/core/SkScalar.h"
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#include "include/core/SkSize.h"
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#include "include/core/SkString.h"
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#include "include/core/SkTextBlob.h"
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#include "include/core/SkTypeface.h"
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#include "tools/Resources.h"
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#include "tools/ToolUtils.h"
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#include <string.h>
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namespace skiagm {
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static void draw_blob(SkCanvas* canvas, const SkTextBlob* blob, const SkPaint& skPaint,
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const SkRect& clipRect) {
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SkPaint clipHairline;
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clipHairline.setColor(SK_ColorWHITE);
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clipHairline.setStyle(SkPaint::kStroke_Style);
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SkPaint paint(skPaint);
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canvas->save();
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canvas->drawRect(clipRect, clipHairline);
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paint.setAlphaf(0.125f);
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canvas->drawTextBlob(blob, 0, 0, paint);
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canvas->clipRect(clipRect);
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paint.setAlphaf(1.0f);
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canvas->drawTextBlob(blob, 0, 0, paint);
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canvas->restore();
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}
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class MixedTextBlobsGM : public GM {
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public:
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MixedTextBlobsGM() { }
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protected:
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void onOnceBeforeDraw() override {
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fEmojiTypeface = ToolUtils::planet_typeface();
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fEmojiText = "♁♃";
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fReallyBigATypeface = MakeResourceAsTypeface("fonts/ReallyBigA.ttf");
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SkTextBlobBuilder builder;
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// make textblob
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// Text so large we draw as paths
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SkFont font(ToolUtils::create_portable_typeface(), 385);
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font.setEdging(SkFont::Edging::kAlias);
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const char* text = "O";
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SkRect bounds;
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font.measureText(text, strlen(text), kUTF8_SkTextEncoding, &bounds);
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SkScalar yOffset = bounds.height();
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ToolUtils::add_to_text_blob(&builder, text, font, 10, yOffset);
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SkScalar corruptedAx = bounds.width();
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SkScalar corruptedAy = yOffset;
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const SkScalar boundsHalfWidth = bounds.width() * SK_ScalarHalf;
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const SkScalar boundsHalfHeight = bounds.height() * SK_ScalarHalf;
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SkScalar xOffset = boundsHalfWidth;
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yOffset = boundsHalfHeight;
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// LCD
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font.setSize(32);
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font.setEdging(SkFont::Edging::kSubpixelAntiAlias);
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font.setSubpixel(true);
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text = "LCD!!!!!";
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font.measureText(text, strlen(text), kUTF8_SkTextEncoding, &bounds);
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ToolUtils::add_to_text_blob(&builder,
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text,
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font,
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xOffset - bounds.width() * 0.25f,
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yOffset - bounds.height() * 0.5f);
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// color emoji font with large glyph
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if (fEmojiTypeface) {
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font.setEdging(SkFont::Edging::kAlias);
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font.setSubpixel(false);
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font.setTypeface(fEmojiTypeface);
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font.measureText(fEmojiText, strlen(fEmojiText), kUTF8_SkTextEncoding, &bounds);
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ToolUtils::add_to_text_blob(&builder, fEmojiText, font, xOffset, yOffset);
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}
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// outline font with large glyph
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font.setSize(12);
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text = "aA";
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font.setTypeface(fReallyBigATypeface);
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ToolUtils::add_to_text_blob(&builder, text, font, corruptedAx, corruptedAy);
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fBlob = builder.make();
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}
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SkString onShortName() override {
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return SkString("mixedtextblobs");
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}
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SkISize onISize() override {
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return SkISize::Make(kWidth, kHeight);
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}
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void onDraw(SkCanvas* canvas) override {
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canvas->drawColor(SK_ColorGRAY);
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SkPaint paint;
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// setup work needed to draw text with different clips
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paint.setColor(SK_ColorBLACK);
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canvas->translate(10, 40);
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// compute the bounds of the text and setup some clips
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SkRect bounds = fBlob->bounds();
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const SkScalar boundsHalfWidth = bounds.width() * SK_ScalarHalf;
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const SkScalar boundsHalfHeight = bounds.height() * SK_ScalarHalf;
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const SkScalar boundsQuarterWidth = boundsHalfWidth * SK_ScalarHalf;
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const SkScalar boundsQuarterHeight = boundsHalfHeight * SK_ScalarHalf;
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SkRect upperLeftClip = SkRect::MakeXYWH(bounds.left(), bounds.top(),
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boundsHalfWidth, boundsHalfHeight);
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SkRect lowerRightClip = SkRect::MakeXYWH(bounds.centerX(), bounds.centerY(),
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boundsHalfWidth, boundsHalfHeight);
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SkRect interiorClip = bounds;
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interiorClip.inset(boundsQuarterWidth, boundsQuarterHeight);
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const SkRect clipRects[] = { bounds, upperLeftClip, lowerRightClip, interiorClip};
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size_t count = sizeof(clipRects) / sizeof(SkRect);
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for (size_t x = 0; x < count; ++x) {
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draw_blob(canvas, fBlob.get(), paint, clipRects[x]);
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if (x == (count >> 1) - 1) {
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canvas->translate(SkScalarFloorToScalar(bounds.width() + SkIntToScalar(25)),
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-(x * SkScalarFloorToScalar(bounds.height() +
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SkIntToScalar(25))));
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} else {
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canvas->translate(0, SkScalarFloorToScalar(bounds.height() + SkIntToScalar(25)));
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}
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}
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}
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private:
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sk_sp<SkTypeface> fEmojiTypeface;
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sk_sp<SkTypeface> fReallyBigATypeface;
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const char* fEmojiText;
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sk_sp<SkTextBlob> fBlob;
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static constexpr int kWidth = 1250;
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static constexpr int kHeight = 700;
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typedef GM INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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DEF_GM(return new MixedTextBlobsGM;)
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}
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