90 lines
2.4 KiB
C++
90 lines
2.4 KiB
C++
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/*
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* Copyright 2020 Google LLC
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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/SkFont.h"
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#include "include/core/SkPaint.h"
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#include "include/core/SkPath.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/utils/SkCustomTypeface.h"
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#include "tools/Resources.h"
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static sk_sp<SkTypeface> make_tf() {
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SkCustomTypefaceBuilder builder(128);
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SkFont font;
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font.setSize(1.0f);
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font.setHinting(SkFontHinting::kNone);
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// Steal the first 128 chars from the default font
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for (SkGlyphID index = 0; index <= 127; ++index) {
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SkGlyphID glyph = font.unicharToGlyph(index);
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SkScalar width;
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font.getWidths(&glyph, 1, &width);
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SkPath path;
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font.getPath(glyph, &path);
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// we use the charcode to be our glyph index, since we have no cmap table
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builder.setGlyph(index, width, path);
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}
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return builder.detach();
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}
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#include "include/core/SkTextBlob.h"
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class UserFontGM : public skiagm::GM {
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sk_sp<SkTypeface> fTF;
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sk_sp<SkTextBlob> fBlob;
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SkPath fPath;
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public:
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UserFontGM() {}
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void onOnceBeforeDraw() override {
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fTF = make_tf();
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SkFont font(fTF);
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font.setSize(100);
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font.setEdging(SkFont::Edging::kAntiAlias);
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std::vector<SkGlyphID> array;
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auto expand8to16 = [&](const char str[]) {
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for (int i = 0; str[i]; ++i) {
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array.push_back(str[i]);
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}
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};
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expand8to16("User Typeface");
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fBlob = SkTextBlob::MakeFromText(array.data(), array.size() * sizeof(SkGlyphID),
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font, SkTextEncoding::kGlyphID);
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}
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bool runAsBench() const override { return true; }
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SkString onShortName() override { return SkString("user_typeface"); }
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SkISize onISize() override { return {512, 512}; }
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void onDraw(SkCanvas* canvas) override {
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SkScalar x = 20,
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y = 250;
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SkPaint paint;
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paint.setStyle(SkPaint::kStroke_Style);
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canvas->drawRect(fBlob->bounds().makeOffset(x, y), paint);
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paint.setStyle(SkPaint::kFill_Style);
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paint.setColor(SK_ColorRED);
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canvas->drawTextBlob(fBlob, x, y, paint);
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}
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};
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DEF_GM(return new UserFontGM;)
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