2013-03-28 13:39:35 +00:00
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/*
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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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2017-03-22 17:47:51 +00:00
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#include "sk_tool_utils.h"
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2013-03-28 13:39:35 +00:00
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#include "SkCanvas.h"
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2018-06-22 19:27:52 +00:00
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#include "SkCommonFlags.h"
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2013-03-28 13:39:35 +00:00
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#include "SkFontMgr.h"
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2018-12-04 22:35:56 +00:00
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#include "SkFontPriv.h"
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2018-02-15 15:20:04 +00:00
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#include "SkPath.h"
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2013-03-28 13:39:35 +00:00
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#include "SkGraphics.h"
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#include "SkTypeface.h"
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// limit this just so we don't take too long to draw
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#define MAX_FAMILIES 30
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static SkScalar drawString(SkCanvas* canvas, const SkString& text, SkScalar x,
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2018-12-16 21:36:48 +00:00
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SkScalar y, const SkFont& font) {
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2019-01-07 14:36:09 +00:00
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canvas->drawString(text, x, y, font, SkPaint());
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2018-12-16 21:36:48 +00:00
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return x + font.measureText(text.c_str(), text.size(), kUTF8_SkTextEncoding);
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2013-03-28 13:39:35 +00:00
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}
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2014-08-27 14:03:13 +00:00
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static SkScalar drawCharacter(SkCanvas* canvas, uint32_t character, SkScalar x,
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2018-12-16 21:36:48 +00:00
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SkScalar y, const SkFont& origFont, SkFontMgr* fm,
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2014-11-10 21:29:33 +00:00
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const char* fontName, const char* bcp47[], int bcp47Count,
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2014-08-27 14:03:13 +00:00
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const SkFontStyle& fontStyle) {
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2018-12-16 21:36:48 +00:00
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SkFont font = origFont;
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2014-08-27 14:03:13 +00:00
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// find typeface containing the requested character and draw it
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SkString ch;
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ch.appendUnichar(character);
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2016-05-12 17:09:30 +00:00
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sk_sp<SkTypeface> typeface(fm->matchFamilyStyleCharacter(fontName, fontStyle,
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bcp47, bcp47Count, character));
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2018-12-16 21:36:48 +00:00
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font.setTypeface(typeface);
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x = drawString(canvas, ch, x, y, font) + 20;
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2014-08-27 14:03:13 +00:00
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2015-08-27 14:41:13 +00:00
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if (nullptr == typeface) {
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2014-08-27 14:03:13 +00:00
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return x;
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}
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// repeat the process, but this time use the family name of the typeface
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// from the first pass. This emulates the behavior in Blink where it
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// it expects to get the same glyph when following this pattern.
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SkString familyName;
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typeface->getFamilyName(&familyName);
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2018-12-16 21:36:48 +00:00
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font.setTypeface(fm->legacyMakeTypeface(familyName.c_str(), typeface->fontStyle()));
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return drawString(canvas, ch, x, y, font) + 20;
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2014-08-27 14:03:13 +00:00
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}
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2014-11-10 21:29:33 +00:00
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static const char* zh = "zh";
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static const char* ja = "ja";
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2013-03-28 13:39:35 +00:00
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class FontMgrGM : public skiagm::GM {
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public:
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2017-11-13 23:10:54 +00:00
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FontMgrGM() {
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2017-01-03 18:32:36 +00:00
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SkGraphics::SetFontCacheLimit(16 * 1024 * 1024);
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fName.set("fontmgr_iter");
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2017-11-13 23:10:54 +00:00
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fFM = SkFontMgr::RefDefault();
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2017-11-13 16:03:16 +00:00
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fName.append(sk_tool_utils::platform_font_manager());
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2017-01-03 18:32:36 +00:00
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}
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2013-03-28 13:39:35 +00:00
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protected:
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2015-03-26 01:17:31 +00:00
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SkString onShortName() override {
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2013-08-21 15:20:43 +00:00
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return fName;
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2013-03-28 13:39:35 +00:00
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}
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2015-03-26 01:17:31 +00:00
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SkISize onISize() override {
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2014-08-27 14:03:13 +00:00
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return SkISize::Make(1536, 768);
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2013-03-28 13:39:35 +00:00
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}
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2015-03-26 01:17:31 +00:00
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void onDraw(SkCanvas* canvas) override {
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2013-03-28 13:39:35 +00:00
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SkScalar y = 20;
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2018-12-16 21:36:48 +00:00
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SkFont font;
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font.setEdging(SkFont::Edging::kSubpixelAntiAlias);
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font.setSubpixel(true);
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font.setSize(17);
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2013-03-29 07:01:22 +00:00
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2016-11-04 20:26:16 +00:00
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SkFontMgr* fm = fFM.get();
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2013-03-28 13:39:35 +00:00
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int count = SkMin32(fm->countFamilies(), MAX_FAMILIES);
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for (int i = 0; i < count; ++i) {
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2015-04-29 15:15:31 +00:00
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SkString familyName;
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fm->getFamilyName(i, &familyName);
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2018-12-16 21:36:48 +00:00
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font.setTypeface(nullptr);
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(void)drawString(canvas, familyName, 20, y, font);
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2013-03-29 07:01:22 +00:00
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2013-03-28 13:39:35 +00:00
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SkScalar x = 220;
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2013-03-29 14:57:22 +00:00
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2016-11-04 20:26:16 +00:00
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sk_sp<SkFontStyleSet> set(fm->createStyleSet(i));
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2013-03-28 13:39:35 +00:00
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for (int j = 0; j < set->count(); ++j) {
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SkString sname;
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SkFontStyle fs;
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set->getStyle(j, &fs, &sname);
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2016-04-27 17:21:04 +00:00
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sname.appendf(" [%d %d %d]", fs.weight(), fs.width(), fs.slant());
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2013-03-29 07:01:22 +00:00
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2018-12-16 21:36:48 +00:00
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font.setTypeface(sk_sp<SkTypeface>(set->createTypeface(j)));
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x = drawString(canvas, sname, x, y, font) + 20;
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2014-08-27 14:03:13 +00:00
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// check to see that we get different glyphs in japanese and chinese
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2018-12-16 21:36:48 +00:00
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x = drawCharacter(canvas, 0x5203, x, y, font, fm, familyName.c_str(), &zh, 1, fs);
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x = drawCharacter(canvas, 0x5203, x, y, font, fm, familyName.c_str(), &ja, 1, fs);
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2014-08-27 14:03:13 +00:00
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// check that emoji characters are found
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2018-12-16 21:36:48 +00:00
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x = drawCharacter(canvas, 0x1f601, x, y, font, fm, familyName.c_str(), nullptr,0, fs);
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2013-03-29 07:01:22 +00:00
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}
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2013-03-28 13:39:35 +00:00
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y += 24;
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}
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}
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private:
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2016-11-04 20:26:16 +00:00
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sk_sp<SkFontMgr> fFM;
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2013-08-21 15:20:43 +00:00
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SkString fName;
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2013-03-28 13:39:35 +00:00
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typedef GM INHERITED;
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};
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2013-03-29 14:57:22 +00:00
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class FontMgrMatchGM : public skiagm::GM {
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2016-11-04 20:26:16 +00:00
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sk_sp<SkFontMgr> fFM;
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2013-03-29 14:57:22 +00:00
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public:
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FontMgrMatchGM() : fFM(SkFontMgr::RefDefault()) {
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SkGraphics::SetFontCacheLimit(16 * 1024 * 1024);
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}
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2013-03-30 07:01:27 +00:00
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2013-03-29 14:57:22 +00:00
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protected:
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2015-03-26 01:17:31 +00:00
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SkString onShortName() override {
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2015-07-20 20:38:56 +00:00
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SkString name("fontmgr_match");
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2017-11-13 16:03:16 +00:00
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name.append(sk_tool_utils::platform_font_manager());
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2015-07-20 20:38:56 +00:00
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return name;
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2013-03-29 14:57:22 +00:00
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}
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2013-03-30 07:01:27 +00:00
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2015-03-26 01:17:31 +00:00
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SkISize onISize() override {
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2013-03-29 14:57:22 +00:00
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return SkISize::Make(640, 1024);
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}
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2018-12-16 21:36:48 +00:00
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void iterateFamily(SkCanvas* canvas, const SkFont& font, SkFontStyleSet* fset) {
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SkFont f(font);
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2013-03-29 14:57:22 +00:00
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SkScalar y = 0;
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for (int j = 0; j < fset->count(); ++j) {
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SkString sname;
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SkFontStyle fs;
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fset->getStyle(j, &fs, &sname);
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sname.appendf(" [%d %d]", fs.weight(), fs.width());
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2018-12-16 21:36:48 +00:00
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f.setTypeface(sk_sp<SkTypeface>(fset->createTypeface(j)));
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(void)drawString(canvas, sname, 0, y, f);
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2013-03-29 14:57:22 +00:00
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y += 24;
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}
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}
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2018-12-16 21:36:48 +00:00
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void exploreFamily(SkCanvas* canvas, const SkFont& font, SkFontStyleSet* fset) {
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SkFont f(font);
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2013-03-29 14:57:22 +00:00
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SkScalar y = 0;
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for (int weight = 100; weight <= 900; weight += 200) {
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for (int width = 1; width <= 9; width += 2) {
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SkFontStyle fs(weight, width, SkFontStyle::kUpright_Slant);
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2016-05-12 17:09:30 +00:00
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sk_sp<SkTypeface> face(fset->matchStyle(fs));
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2013-03-29 14:57:22 +00:00
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if (face) {
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SkString str;
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str.printf("request [%d %d]", fs.weight(), fs.width());
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2018-12-16 21:36:48 +00:00
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f.setTypeface(std::move(face));
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(void)drawString(canvas, str, 0, y, f);
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2013-03-29 14:57:22 +00:00
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y += 24;
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}
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}
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}
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}
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2013-03-30 07:01:27 +00:00
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2015-03-26 01:17:31 +00:00
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void onDraw(SkCanvas* canvas) override {
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2018-12-16 21:36:48 +00:00
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SkFont font;
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font.setEdging(SkFont::Edging::kSubpixelAntiAlias);
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font.setSubpixel(true);
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font.setSize(17);
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2013-03-29 14:57:22 +00:00
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2016-09-01 18:24:54 +00:00
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const char* gNames[] = {
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2018-07-10 23:40:15 +00:00
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"Helvetica Neue", "Arial", "sans"
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2013-03-29 14:57:22 +00:00
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};
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2016-11-04 20:26:16 +00:00
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sk_sp<SkFontStyleSet> fset;
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2013-03-30 07:01:27 +00:00
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for (size_t i = 0; i < SK_ARRAY_COUNT(gNames); ++i) {
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2013-11-12 15:25:29 +00:00
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fset.reset(fFM->matchFamily(gNames[i]));
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if (fset->count() > 0) {
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2013-03-29 14:57:22 +00:00
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break;
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}
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}
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2015-08-27 14:41:13 +00:00
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if (nullptr == fset.get()) {
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2013-03-29 14:57:22 +00:00
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return;
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}
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canvas->translate(20, 40);
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2018-12-16 21:36:48 +00:00
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this->exploreFamily(canvas, font, fset.get());
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2013-03-29 14:57:22 +00:00
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canvas->translate(150, 0);
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2018-12-16 21:36:48 +00:00
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this->iterateFamily(canvas, font, fset.get());
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2013-03-29 14:57:22 +00:00
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}
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2013-03-30 07:01:27 +00:00
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2013-03-29 14:57:22 +00:00
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private:
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typedef GM INHERITED;
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};
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2014-10-22 20:20:58 +00:00
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class FontMgrBoundsGM : public skiagm::GM {
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public:
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2014-12-15 21:27:26 +00:00
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FontMgrBoundsGM(double scale, double skew)
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: fScaleX(SkDoubleToScalar(scale))
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, fSkewX(SkDoubleToScalar(skew))
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{
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2014-10-22 20:20:58 +00:00
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fName.set("fontmgr_bounds");
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2014-12-15 21:27:26 +00:00
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if (scale != 1 || skew != 0) {
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fName.appendf("_%g_%g", scale, skew);
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}
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2017-11-13 16:03:16 +00:00
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fName.append(sk_tool_utils::platform_font_manager());
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2017-01-03 18:32:36 +00:00
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fFM = SkFontMgr::RefDefault();
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2014-10-22 20:20:58 +00:00
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}
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2018-12-04 22:35:56 +00:00
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static void show_bounds(SkCanvas* canvas, const SkFont& font, SkScalar x, SkScalar y,
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2017-07-17 19:32:25 +00:00
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SkColor boundsColor)
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{
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2018-12-04 22:35:56 +00:00
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SkRect fontBounds = SkFontPriv::GetFontBounds(font).makeOffset(x, y);
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SkPaint boundsPaint;
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boundsPaint.setAntiAlias(true);
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2017-07-17 19:32:25 +00:00
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boundsPaint.setColor(boundsColor);
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2018-02-15 15:20:04 +00:00
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boundsPaint.setStyle(SkPaint::kStroke_Style);
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2017-07-17 19:32:25 +00:00
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canvas->drawRect(fontBounds, boundsPaint);
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2018-11-06 17:44:54 +00:00
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SkFontMetrics fm;
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2018-12-04 22:35:56 +00:00
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font.getMetrics(&fm);
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2017-07-17 19:32:25 +00:00
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SkPaint metricsPaint(boundsPaint);
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metricsPaint.setStyle(SkPaint::kFill_Style);
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metricsPaint.setAlpha(0x40);
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2018-11-12 14:35:15 +00:00
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if ((fm.fFlags & SkFontMetrics::kUnderlinePositionIsValid_Flag) &&
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(fm.fFlags & SkFontMetrics::kUnderlinePositionIsValid_Flag))
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2017-07-17 19:32:25 +00:00
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{
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SkRect underline{ fontBounds.fLeft, fm.fUnderlinePosition+y,
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fontBounds.fRight, fm.fUnderlinePosition+y + fm.fUnderlineThickness };
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canvas->drawRect(underline, metricsPaint);
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}
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2014-10-22 20:20:58 +00:00
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2018-11-12 14:35:15 +00:00
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if ((fm.fFlags & SkFontMetrics::kStrikeoutPositionIsValid_Flag) &&
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(fm.fFlags & SkFontMetrics::kStrikeoutPositionIsValid_Flag))
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2017-07-17 19:32:25 +00:00
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{
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SkRect strikeout{ fontBounds.fLeft, fm.fStrikeoutPosition+y - fm.fStrikeoutThickness,
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fontBounds.fRight, fm.fStrikeoutPosition+y };
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canvas->drawRect(strikeout, metricsPaint);
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2014-10-22 20:20:58 +00:00
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}
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2015-01-06 01:18:51 +00:00
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2017-07-17 19:32:25 +00:00
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SkGlyphID left = 0, right = 0, top = 0, bottom = 0;
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{
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2018-12-04 22:35:56 +00:00
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int numGlyphs = font.getTypeface()->countGlyphs();
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2017-07-17 19:32:25 +00:00
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SkRect min = {0, 0, 0, 0};
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for (int i = 0; i < numGlyphs; ++i) {
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SkGlyphID glyphId = i;
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SkRect cur;
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2018-12-04 22:35:56 +00:00
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font.getBounds(&glyphId, 1, &cur, nullptr);
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2017-07-17 19:32:25 +00:00
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if (cur.fLeft < min.fLeft ) { min.fLeft = cur.fLeft; left = i; }
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if (cur.fTop < min.fTop ) { min.fTop = cur.fTop ; top = i; }
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if (min.fRight < cur.fRight ) { min.fRight = cur.fRight; right = i; }
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if (min.fBottom < cur.fBottom) { min.fBottom = cur.fBottom; bottom = i; }
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}
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}
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SkGlyphID str[] = { left, right, top, bottom };
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2018-06-22 19:27:52 +00:00
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SkPoint location[] = {
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{fontBounds.left(), fontBounds.centerY()},
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{fontBounds.right(), fontBounds.centerY()},
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{fontBounds.centerX(), fontBounds.top()},
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{fontBounds.centerX(), fontBounds.bottom()}
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};
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2018-12-04 22:35:56 +00:00
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SkFont labelFont;
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labelFont.setEdging(SkFont::Edging::kAntiAlias);
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labelFont.setTypeface(sk_tool_utils::create_portable_typeface());
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2018-06-22 19:27:52 +00:00
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if (FLAGS_veryVerbose) {
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SkString name;
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2018-12-04 22:35:56 +00:00
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font.getTypeface()->getFamilyName(&name);
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2019-01-07 14:36:09 +00:00
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canvas->drawString(name, fontBounds.fLeft, fontBounds.fBottom, labelFont, SkPaint());
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2018-06-22 19:27:52 +00:00
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}
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2017-07-17 19:32:25 +00:00
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for (size_t i = 0; i < SK_ARRAY_COUNT(str); ++i) {
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2018-02-15 15:20:04 +00:00
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SkPath path;
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2018-12-04 22:35:56 +00:00
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font.getPath(str[i], &path);
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path.offset(x, y);
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2018-02-15 15:20:04 +00:00
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SkPaint::Style style = path.isEmpty() ? SkPaint::kFill_Style : SkPaint::kStroke_Style;
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2018-12-04 22:35:56 +00:00
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SkPaint glyphPaint;
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2018-02-15 15:20:04 +00:00
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glyphPaint.setStyle(style);
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2018-12-04 22:35:56 +00:00
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canvas->drawSimpleText(&str[i], sizeof(str[0]), kGlyphID_SkTextEncoding, x, y, font, glyphPaint);
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2018-06-22 19:27:52 +00:00
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if (FLAGS_veryVerbose) {
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SkString glyphStr;
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glyphStr.appendS32(str[i]);
|
2019-01-07 14:36:09 +00:00
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canvas->drawString(glyphStr, location[i].fX, location[i].fY, labelFont, SkPaint());
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2018-06-22 19:27:52 +00:00
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}
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2017-07-17 19:32:25 +00:00
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}
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2018-06-22 19:27:52 +00:00
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2014-10-22 20:20:58 +00:00
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}
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protected:
|
2015-03-26 01:17:31 +00:00
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SkString onShortName() override {
|
2014-10-22 20:20:58 +00:00
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|
return fName;
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}
|
2015-01-06 01:18:51 +00:00
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2015-03-26 01:17:31 +00:00
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|
SkISize onISize() override {
|
2014-10-22 20:20:58 +00:00
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|
|
return SkISize::Make(1024, 850);
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}
|
2015-01-06 01:18:51 +00:00
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|
2015-03-26 01:17:31 +00:00
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|
|
void onDraw(SkCanvas* canvas) override {
|
2018-12-04 22:35:56 +00:00
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|
SkFont font;
|
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font.setEdging(SkFont::Edging::kAntiAlias);
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font.setSubpixel(true);
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|
font.setSize(100);
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font.setScaleX(fScaleX);
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|
font.setSkewX(fSkewX);
|
2014-10-22 20:20:58 +00:00
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|
|
const SkColor boundsColors[2] = { SK_ColorRED, SK_ColorBLUE };
|
2016-03-29 16:03:52 +00:00
|
|
|
|
2016-11-04 20:26:16 +00:00
|
|
|
SkFontMgr* fm = fFM.get();
|
2014-10-22 20:20:58 +00:00
|
|
|
int count = SkMin32(fm->countFamilies(), 32);
|
|
|
|
|
|
|
|
int index = 0;
|
|
|
|
SkScalar x = 0, y = 0;
|
|
|
|
|
2017-07-17 19:32:25 +00:00
|
|
|
canvas->translate(10, 120);
|
2014-10-22 20:20:58 +00:00
|
|
|
|
|
|
|
for (int i = 0; i < count; ++i) {
|
2016-11-04 20:26:16 +00:00
|
|
|
sk_sp<SkFontStyleSet> set(fm->createStyleSet(i));
|
2017-07-17 19:32:25 +00:00
|
|
|
for (int j = 0; j < set->count() && j < 3; ++j) {
|
2018-12-04 22:35:56 +00:00
|
|
|
font.setTypeface(sk_sp<SkTypeface>(set->createTypeface(j)));
|
2017-07-24 15:04:21 +00:00
|
|
|
// Fonts with lots of glyphs are interesting, but can take a long time to find
|
|
|
|
// the glyphs which make up the maximum extent.
|
2018-12-04 22:35:56 +00:00
|
|
|
if (font.getTypeface() && font.getTypeface()->countGlyphs() < 1000) {
|
|
|
|
SkRect fontBounds = SkFontPriv::GetFontBounds(font);
|
2017-07-17 19:32:25 +00:00
|
|
|
x -= fontBounds.fLeft;
|
2018-12-04 22:35:56 +00:00
|
|
|
show_bounds(canvas, font, x, y, boundsColors[index & 1]);
|
2017-07-17 19:32:25 +00:00
|
|
|
x += fontBounds.fRight + 20;
|
2014-10-22 20:20:58 +00:00
|
|
|
index += 1;
|
2017-07-17 19:32:25 +00:00
|
|
|
if (x > 900) {
|
2014-10-22 20:20:58 +00:00
|
|
|
x = 0;
|
|
|
|
y += 160;
|
|
|
|
}
|
2017-07-17 19:32:25 +00:00
|
|
|
if (y >= 700) {
|
2014-10-22 20:20:58 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2015-01-23 19:07:07 +00:00
|
|
|
|
2014-10-22 20:20:58 +00:00
|
|
|
private:
|
2016-11-04 20:26:16 +00:00
|
|
|
sk_sp<SkFontMgr> fFM;
|
2014-10-22 20:20:58 +00:00
|
|
|
SkString fName;
|
2014-12-15 21:27:26 +00:00
|
|
|
SkScalar fScaleX, fSkewX;
|
2014-10-22 20:20:58 +00:00
|
|
|
typedef GM INHERITED;
|
|
|
|
};
|
|
|
|
|
2013-03-28 13:39:35 +00:00
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
2015-08-26 20:07:48 +00:00
|
|
|
DEF_GM(return new FontMgrGM;)
|
|
|
|
DEF_GM(return new FontMgrMatchGM;)
|
|
|
|
DEF_GM(return new FontMgrBoundsGM(1.0, 0);)
|
|
|
|
DEF_GM(return new FontMgrBoundsGM(0.75, 0);)
|
|
|
|
DEF_GM(return new FontMgrBoundsGM(1.0, -0.25);)
|