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dfbc6e3742
Let's use shared_ptr since manual ref counting can be a bug-prone and using the global mutex inside destructor is not useful for some time. To remove raw pointer manipulation, needed to change Layout constructors. Layout is no longer copyable and need to pass FontCollection to constructor. Bug: 28119474 Test: minikin_tests passed Test: hwui_unit_tests passed Test: No performance regression in minikin_perftest. Change-Id: I8824593206ecba74cbc9731e298f045e1ae442a3
101 lines
3.3 KiB
C++
101 lines
3.3 KiB
C++
/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// This is a test program that uses Minikin to layout and draw some text.
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// At the moment, it just draws a string into /data/local/tmp/foo.pgm.
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#include <stdio.h>
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#include <vector>
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#include <fstream>
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#include <unicode/unistr.h>
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#include <unicode/utf16.h>
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#include <minikin/MinikinFontFreeType.h>
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#include <minikin/Layout.h>
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using std::vector;
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using namespace minikin;
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FT_Library library; // TODO: this should not be a global
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FontCollection *makeFontCollection() {
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vector<std::shared_ptr<FontFamily>>typefaces;
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const char *fns[] = {
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"/system/fonts/Roboto-Regular.ttf",
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"/system/fonts/Roboto-Italic.ttf",
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"/system/fonts/Roboto-BoldItalic.ttf",
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"/system/fonts/Roboto-Light.ttf",
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"/system/fonts/Roboto-Thin.ttf",
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"/system/fonts/Roboto-Bold.ttf",
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"/system/fonts/Roboto-ThinItalic.ttf",
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"/system/fonts/Roboto-LightItalic.ttf"
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};
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FT_Face face;
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FT_Error error;
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std::vector<Font> fonts;
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for (size_t i = 0; i < sizeof(fns)/sizeof(fns[0]); i++) {
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const char *fn = fns[i];
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printf("adding %s\n", fn);
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error = FT_New_Face(library, fn, 0, &face);
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if (error != 0) {
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printf("error loading %s, %d\n", fn, error);
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}
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std::shared_ptr<MinikinFont> font(new MinikinFontFreeType(face));
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fonts.push_back(Font(font, FontStyle()));
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}
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std::shared_ptr<FontFamily> family(new FontFamily(std::move(fonts)));
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typefaces.push_back(family);
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#if 1
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const char *fn = "/system/fonts/DroidSansDevanagari-Regular.ttf";
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error = FT_New_Face(library, fn, 0, &face);
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std::shared_ptr<MinikinFont> font(new MinikinFontFreeType(face));
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family.reset(new FontFamily(std::vector<Font>({ Font(font, FontStyle()) })));
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typefaces.push_back(family);
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#endif
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return new FontCollection(typefaces);
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}
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int runMinikinTest() {
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FT_Error error = FT_Init_FreeType(&library);
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if (error) {
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return -1;
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}
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std::shared_ptr<FontCollection> collection(makeFontCollection());
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Layout layout(collection);
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const char *text = "fine world \xe0\xa4\xa8\xe0\xa4\xae\xe0\xa4\xb8\xe0\xa5\x8d\xe0\xa4\xa4\xe0\xa5\x87";
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int bidiFlags = 0;
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FontStyle fontStyle;
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MinikinPaint paint;
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paint.size = 32;
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icu::UnicodeString icuText = icu::UnicodeString::fromUTF8(text);
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layout.doLayout(icuText.getBuffer(), 0, icuText.length(), icuText.length(), bidiFlags, fontStyle, paint);
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layout.dump();
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Bitmap bitmap(250, 50);
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layout.draw(&bitmap, 10, 40, 32);
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std::ofstream o;
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o.open("/data/local/tmp/foo.pgm", std::ios::out | std::ios::binary);
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bitmap.writePnm(o);
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return 0;
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}
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int main() {
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return runMinikinTest();
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}
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