skia2/tools/fonts/ToolUtilsFont.cpp
Mike Reed 92f6eb1602 use pathbuilder
Change-Id: I2bca419a3273a9cc8a984b0f4159f518968c6652
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/313077
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
2020-08-25 16:29:48 +00:00

113 lines
3.2 KiB
C++

/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "tools/ToolUtils.h"
#include "include/core/SkFontMgr.h"
#include "include/core/SkFontStyle.h"
#include "include/core/SkTypeface.h"
#include "include/private/SkMutex.h"
#include "include/utils/SkCustomTypeface.h"
#include "src/core/SkOSFile.h"
#include "src/utils/SkUTF.h"
#include "tools/Resources.h"
#include "tools/fonts/TestFontMgr.h"
namespace ToolUtils {
sk_sp<SkTypeface> planet_typeface() {
static const sk_sp<SkTypeface> planetTypeface = []() {
const char* filename;
#if defined(SK_BUILD_FOR_WIN)
filename = "fonts/planetcolr.ttf";
#elif defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_IOS)
filename = "fonts/planetsbix.ttf";
#else
filename = "fonts/planetcbdt.ttf";
#endif
sk_sp<SkTypeface> typeface = MakeResourceAsTypeface(filename);
if (typeface) {
return typeface;
}
return SkTypeface::MakeFromName("Planet", SkFontStyle());
}();
return planetTypeface;
}
sk_sp<SkTypeface> emoji_typeface() {
static const sk_sp<SkTypeface> emojiTypeface = []() {
const char* filename;
#if defined(SK_BUILD_FOR_WIN)
filename = "fonts/colr.ttf";
#elif defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_IOS)
filename = "fonts/sbix.ttf";
#else
filename = "fonts/cbdt.ttf";
#endif
sk_sp<SkTypeface> typeface = MakeResourceAsTypeface(filename);
if (typeface) {
return typeface;
}
return SkTypeface::MakeFromName("Emoji", SkFontStyle());
}();
return emojiTypeface;
}
const char* emoji_sample_text() {
return "\xF0\x9F\x98\x80"
" "
"\xE2\x99\xA2"; // 😀 ♢
}
sk_sp<SkTypeface> sample_user_typeface() {
SkCustomTypefaceBuilder builder;
SkFont font;
const float upem = 200;
{
SkFontMetrics metrics;
metrics.fFlags = 0;
metrics.fTop = -200;
metrics.fAscent = -150;
metrics.fDescent = 50;
metrics.fBottom = -75;
metrics.fLeading = 10;
metrics.fAvgCharWidth = 150;
metrics.fMaxCharWidth = 300;
metrics.fXMin = -20;
metrics.fXMax = 290;
metrics.fXHeight = -100;
metrics.fCapHeight = 0;
metrics.fUnderlineThickness = 5;
metrics.fUnderlinePosition = 2;
metrics.fStrikeoutThickness = 5;
metrics.fStrikeoutPosition = -50;
builder.setMetrics(metrics, 1.0f/upem);
}
builder.setFontStyle(SkFontStyle(367, 3, SkFontStyle::kOblique_Slant));
const SkMatrix scale = SkMatrix::Scale(1.0f/upem, 1.0f/upem);
for (SkGlyphID index = 0; index <= 67; ++index) {
SkScalar width;
width = 100;
builder.setGlyph(index, width/upem, SkPath::Circle(50, -50, 75).makeTransform(scale));
}
return builder.detach();
}
static sk_sp<SkTypeface> create_font(const char* name, SkFontStyle style) {
static sk_sp<SkFontMgr> portableFontMgr = MakePortableFontMgr();
return portableFontMgr->legacyMakeTypeface(name, style);
}
sk_sp<SkTypeface> create_portable_typeface(const char* name, SkFontStyle style) {
return create_font(name, style);
}
} // namespace ToolUtils