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/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// This is a test program that uses Minikin to layout and draw some text.
// At the moment, it just draws a string into /data/local/tmp/foo.pgm.
#include <stdio.h>
#include <vector>
#include <fstream>
#include <unicode/unistr.h>
#include <unicode/utf16.h>
#include <minikin/MinikinFontFreeType.h>
#include <minikin/Layout.h>
using std::vector;
using namespace android;
using namespace minikin;
FT_Library library; // TODO: this should not be a global
FontCollection *makeFontCollection() {
vector<FontFamily *>typefaces;
const char *fns[] = {
"/system/fonts/Roboto-Regular.ttf",
"/system/fonts/Roboto-Italic.ttf",
"/system/fonts/Roboto-BoldItalic.ttf",
"/system/fonts/Roboto-Light.ttf",
"/system/fonts/Roboto-Thin.ttf",
"/system/fonts/Roboto-Bold.ttf",
"/system/fonts/Roboto-ThinItalic.ttf",
"/system/fonts/Roboto-LightItalic.ttf"
};
FontFamily *family = new FontFamily();
FT_Face face;
FT_Error error;
for (size_t i = 0; i < sizeof(fns)/sizeof(fns[0]); i++) {
const char *fn = fns[i];
printf("adding %s\n", fn);
error = FT_New_Face(library, fn, 0, &face);
if (error != 0) {
printf("error loading %s, %d\n", fn, error);
}
MinikinFont *font = new MinikinFontFreeType(face);
family->addFont(font);
}
typefaces.push_back(family);
#if 1
family = new FontFamily();
const char *fn = "/system/fonts/DroidSansDevanagari-Regular.ttf";
error = FT_New_Face(library, fn, 0, &face);
MinikinFont *font = new MinikinFontFreeType(face);
family->addFont(font);
typefaces.push_back(family);
#endif
return new FontCollection(typefaces);
}
int runMinikinTest() {
FT_Error error = FT_Init_FreeType(&library);
if (error) {
return -1;
}
Layout::init();
FontCollection *collection = makeFontCollection();
Layout layout;
layout.setFontCollection(collection);
const char *text = "fine world \xe0\xa4\xa8\xe0\xa4\xae\xe0\xa4\xb8\xe0\xa5\x8d\xe0\xa4\xa4\xe0\xa5\x87";
int bidiFlags = 0;
FontStyle fontStyle;
MinikinPaint paint;
paint.size = 32;
icu::UnicodeString icuText = icu::UnicodeString::fromUTF8(text);
layout.doLayout(icuText.getBuffer(), 0, icuText.length(), icuText.length(), bidiFlags, fontStyle, paint);
layout.dump();
Bitmap bitmap(250, 50);
layout.draw(&bitmap, 10, 40, 32);
std::ofstream o;
o.open("/data/local/tmp/foo.pgm", std::ios::out | std::ios::binary);
bitmap.writePnm(o);
return 0;
}
int main(int argc, const char** argv) {
return runMinikinTest();
}
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