create_test_font_color.cpp

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/*
 * Copyright 2014 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
// running create_test_font_color generates ./<cbdt|sbix|cpal>.ttx
// which are read by fonttools ttx to produce native fonts.
 
#include "include/core/SkRefCnt.h"
#include "include/core/SkStream.h"
#include "include/core/SkString.h"
#include "tools/flags/CommandLineFlags.h"
#include "tools/fonts/TestSVGTypeface.h"
 
#if defined(SK_ENABLE_SVG)
 
static void export_ttx(sk_sp<TestSVGTypeface> typeface,
                       SkString               prefix,
                       SkSpan<unsigned>       cbdtStrikeSizes,
                       SkSpan<unsigned>       sbixStrikeSizes) {
    SkFILEWStream cbdt((SkString(prefix) += "cbdt.ttx").c_str());
    typeface->exportTtxCbdt(&cbdt, cbdtStrikeSizes);
    cbdt.flush();
    cbdt.fsync();
 
    SkFILEWStream sbix((SkString(prefix) += "sbix.ttx").c_str());
    typeface->exportTtxSbix(&sbix, sbixStrikeSizes);
    sbix.flush();
    sbix.fsync();
 
    SkFILEWStream colr((SkString(prefix) += "colr.ttx").c_str());
    typeface->exportTtxColr(&colr);
    colr.flush();
    colr.fsync();
}
 
int main(int argc, char** argv) {
    CommandLineFlags::Parse(argc, argv);
 
    // Most of the time use these sizes.
    unsigned usual[] = { 16, 64, 128 };
 
    // But the planet font cannot get very big in the size limited cbdt format.
    unsigned small[] = { 8, 16 };
 
    export_ttx(TestSVGTypeface::Default(), SkString(), SkSpan(usual), SkSpan(usual));
    export_ttx(
            TestSVGTypeface::Planets(), SkString("planet"), SkSpan(small), SkSpan(usual));
 
    return 0;
}
 
#else
 
int main(int argc, char** argv) {
    SkDebugf("compile with SVG enabled\n");
    return 1;
}
 
#endif // SK_ENABLE_SVG