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269 lines
12 KiB
269 lines
12 KiB
/* |
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This file is part of Magnum. |
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Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, |
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2020, 2021, 2022, 2023 Vladimír Vondruš <mosra@centrum.cz> |
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Permission is hereby granted, free of charge, to any person obtaining a |
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copy of this software and associated documentation files (the "Software"), |
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to deal in the Software without restriction, including without limitation |
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the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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and/or sell copies of the Software, and to permit persons to whom the |
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Software is furnished to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be included |
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in all copies or substantial portions of the Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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DEALINGS IN THE SOFTWARE. |
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*/ |
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#include <sstream> |
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#include <Corrade/Containers/Optional.h> |
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#include <Corrade/Containers/StridedArrayView.h> |
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#include <Corrade/Containers/StringStl.h> /** @todo remove once AbstractFont is <string>-free */ |
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#include <Corrade/TestSuite/Tester.h> |
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#include <Corrade/TestSuite/Compare/File.h> |
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#include <Corrade/Utility/DebugStl.h> |
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#include <Corrade/Utility/Path.h> |
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#include "Magnum/Image.h" |
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#include "Magnum/ImageView.h" |
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#include "Magnum/PixelFormat.h" |
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#include "Magnum/DebugTools/CompareImage.h" |
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#include "Magnum/Text/AbstractGlyphCache.h" |
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#include "Magnum/Text/AbstractFont.h" |
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#include "Magnum/Text/AbstractFontConverter.h" |
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#include "Magnum/Trade/AbstractImageConverter.h" |
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#include "Magnum/Trade/AbstractImporter.h" |
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#include "Magnum/Trade/ImageData.h" |
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#include "configure.h" |
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namespace Magnum { namespace Text { namespace Test { namespace { |
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struct MagnumFontConverterTest: TestSuite::Tester { |
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explicit MagnumFontConverterTest(); |
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void exportFont(); |
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void exportFontEmptyCache(); |
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void exportFontNoGlyphCacheImageDownload(); |
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/* Explicitly forbid system-wide plugin dependencies */ |
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PluginManager::Manager<Trade::AbstractImageConverter> _imageConverterManager{"nonexistent"}; |
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PluginManager::Manager<AbstractFontConverter> _fontConverterManager{"nonexistent"}; |
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PluginManager::Manager<Trade::AbstractImporter> _importerManager{"nonexistent"}; |
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}; |
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MagnumFontConverterTest::MagnumFontConverterTest() { |
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addTests({&MagnumFontConverterTest::exportFont, |
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&MagnumFontConverterTest::exportFontEmptyCache, |
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&MagnumFontConverterTest::exportFontNoGlyphCacheImageDownload}); |
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/* Load the plugins directly from the build tree. Otherwise they're either |
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static and already loaded or not present in the build tree. */ |
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_fontConverterManager.registerExternalManager(_imageConverterManager); |
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#if defined(TGAIMAGECONVERTER_PLUGIN_FILENAME) && defined(MAGNUMFONTCONVERTER_PLUGIN_FILENAME) |
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CORRADE_INTERNAL_ASSERT_OUTPUT(_imageConverterManager.load(TGAIMAGECONVERTER_PLUGIN_FILENAME) & PluginManager::LoadState::Loaded); |
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CORRADE_INTERNAL_ASSERT_OUTPUT(_fontConverterManager.load(MAGNUMFONTCONVERTER_PLUGIN_FILENAME) & PluginManager::LoadState::Loaded); |
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#endif |
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/* Optional plugins that don't have to be here */ |
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#ifdef ANYIMAGEIMPORTER_PLUGIN_FILENAME |
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CORRADE_INTERNAL_ASSERT_OUTPUT(_importerManager.load(ANYIMAGEIMPORTER_PLUGIN_FILENAME) & PluginManager::LoadState::Loaded); |
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#endif |
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#ifdef TGAIMPORTER_PLUGIN_FILENAME |
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CORRADE_INTERNAL_ASSERT_OUTPUT(_importerManager.load(TGAIMPORTER_PLUGIN_FILENAME) & PluginManager::LoadState::Loaded); |
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#endif |
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/* Create the output directory if it doesn't exist yet */ |
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CORRADE_INTERNAL_ASSERT_OUTPUT(Utility::Path::make(MAGNUMFONTCONVERTER_TEST_WRITE_DIR)); |
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} |
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class MyFont: public Text::AbstractFont { |
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private: |
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void doClose() override { _opened = false; } |
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bool doIsOpened() const override { return _opened; } |
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Properties doOpenFile(Containers::StringView, Float) override { |
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_opened = true; |
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return {16.0f, 25.0f, -10.0f, 39.7333f, 4}; |
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} |
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FontFeatures doFeatures() const override { return {}; } |
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Containers::Pointer<AbstractLayouter> doLayout(const AbstractGlyphCache&, Float, Containers::StringView) override { return nullptr; } |
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UnsignedInt doGlyphId(const char32_t character) override { |
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switch(character) { |
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case U'W': return 2; |
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case U'e': return 1; |
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/* MSVC (but not clang-cl) doesn't support UTF-8 in char32_t |
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literals but it does it regular strings. Still a problem in |
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MSVC 2022, what a trash fire, can't you just give up on |
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those codepage insanities already, ffs?! */ |
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#if defined(CORRADE_TARGET_MSVC) && !defined(CORRADE_TARGET_CLANG) |
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case U'\u011B': |
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#else |
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case U'ě': |
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#endif |
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return 3; |
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} |
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return 0; |
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} |
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Vector2 doGlyphSize(UnsignedInt) override { return {}; } |
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Vector2 doGlyphAdvance(const UnsignedInt glyph) override { |
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switch(glyph) { |
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case 0: return {8, 0}; |
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case 1: |
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case 3: /* e and ě have the same advance */ |
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return {12, 0}; |
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case 2: return {23, 0}; |
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} |
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CORRADE_INTERNAL_ASSERT_UNREACHABLE(); /* LCOV_EXCL_LINE */ |
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} |
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bool _opened = false; |
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}; |
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void MagnumFontConverterTest::exportFont() { |
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Containers::String confFilename = Utility::Path::join(MAGNUMFONTCONVERTER_TEST_WRITE_DIR, "font.conf"); |
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Containers::String tgaFilename = Utility::Path::join(MAGNUMFONTCONVERTER_TEST_WRITE_DIR, "font.tga"); |
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/* Remove previously created files */ |
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if(Utility::Path::exists(confFilename)) |
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CORRADE_VERIFY(Utility::Path::remove(confFilename)); |
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if(Utility::Path::exists(tgaFilename)) |
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CORRADE_VERIFY(Utility::Path::remove(tgaFilename)); |
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MyFont font; |
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font.openFile({}, {}); |
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struct: AbstractGlyphCache { |
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using AbstractGlyphCache::AbstractGlyphCache; |
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GlyphCacheFeatures doFeatures() const override { return GlyphCacheFeature::ImageDownload; } |
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void doSetImage(const Vector2i&, const ImageView2D&) override {} |
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Image2D doImage() override { |
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return Image2D{PixelFormat::R8Unorm, {8, 4}, Containers::Array<char>{InPlaceInit, { |
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'0', '1', '2', '3', '4', '5', '6', '7', |
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'8', '9', 'a', 'b', 'c', 'd', 'e', 'f', |
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'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', |
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'o', 'p', 'q', 'r', 's', 't', 'u', 'v' |
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}}}; |
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} |
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} cache{{128, 64}, {16, 8}}; |
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/* Override the not found glyph to be in bounds as well */ |
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cache.insert(0, {}, {{16, 8}, {16, 8}}); |
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cache.insert(font.glyphId(U'W'), {25, 34}, {{16, 12}, {24, 56}}); |
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cache.insert(font.glyphId(U'e'), {25, 12}, {{36, 8}, {112, 40}}); |
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/* ě has deliberately the same glyph data as e */ |
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cache.insert(font.glyphId( |
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/* MSVC (but not clang-cl) doesn't support UTF-8 in char32_t literals |
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but it does it regular strings. Still a problem in MSVC 2022, what a |
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trash fire, can't you just give up on those codepage insanities |
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already, ffs?! */ |
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#if defined(CORRADE_TARGET_MSVC) && !defined(CORRADE_TARGET_CLANG) |
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U'\u011B' |
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#else |
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U'ě' |
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#endif |
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), {25, 12}, {{36, 8}, {112, 40}}); |
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/* Convert the file */ |
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Containers::Pointer<AbstractFontConverter> converter = _fontConverterManager.instantiate("MagnumFontConverter"); |
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CORRADE_VERIFY(converter->exportFontToFile(font, cache, Utility::Path::join(MAGNUMFONTCONVERTER_TEST_WRITE_DIR, "font"), "Waveě")); |
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/* Verify font parameters */ |
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CORRADE_COMPARE_AS(confFilename, |
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Utility::Path::join(MAGNUMFONT_TEST_DIR, "font.conf"), |
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TestSuite::Compare::File); |
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if(!(_importerManager.loadState("AnyImageImporter") & PluginManager::LoadState::Loaded) || |
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!(_importerManager.loadState("TgaImporter") & PluginManager::LoadState::Loaded)) |
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CORRADE_SKIP("AnyImageImporter / TgaImporter plugins not found, not testing glyph cache contents"); |
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/* Verify font image */ |
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CORRADE_COMPARE_WITH(tgaFilename, |
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Utility::Path::join(MAGNUMFONT_TEST_DIR, "font.tga"), |
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DebugTools::CompareImageFile{_importerManager}); |
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} |
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void MagnumFontConverterTest::exportFontEmptyCache() { |
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Containers::String confFilename = Utility::Path::join(MAGNUMFONTCONVERTER_TEST_WRITE_DIR, "font-empty-cache.conf"); |
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Containers::String tgaFilename = Utility::Path::join(MAGNUMFONTCONVERTER_TEST_WRITE_DIR, "font-empty-cache.tga"); |
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/* Remove previously created files */ |
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if(Utility::Path::exists(confFilename)) |
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CORRADE_VERIFY(Utility::Path::remove(confFilename)); |
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if(Utility::Path::exists(tgaFilename)) |
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CORRADE_VERIFY(Utility::Path::remove(tgaFilename)); |
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MyFont font; |
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font.openFile({}, {}); |
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struct: AbstractGlyphCache { |
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using AbstractGlyphCache::AbstractGlyphCache; |
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GlyphCacheFeatures doFeatures() const override { return GlyphCacheFeature::ImageDownload; } |
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void doSetImage(const Vector2i&, const ImageView2D&) override {} |
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Image2D doImage() override { |
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return Image2D{PixelFormat::R8Unorm, {8, 4}, Containers::Array<char>{ValueInit, 8*4}}; |
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} |
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} cache{{8, 4}}; |
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/* Convert the file */ |
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Containers::Pointer<AbstractFontConverter> converter = _fontConverterManager.instantiate("MagnumFontConverter"); |
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CORRADE_VERIFY(converter->exportFontToFile(font, cache, Utility::Path::join(MAGNUMFONTCONVERTER_TEST_WRITE_DIR, "font-empty-cache"), "Wave")); |
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/* Verify font parameters */ |
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CORRADE_COMPARE_AS(confFilename, |
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Utility::Path::join(MAGNUMFONTCONVERTER_TEST_DIR, "font-empty-cache.conf"), |
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TestSuite::Compare::File); |
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if(!(_importerManager.loadState("AnyImageImporter") & PluginManager::LoadState::Loaded) || |
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!(_importerManager.loadState("TgaImporter") & PluginManager::LoadState::Loaded)) |
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CORRADE_SKIP("AnyImageImporter / TgaImporter plugins not found, not testing glyph cache contents"); |
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/* Verify font image */ |
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CORRADE_COMPARE_WITH(tgaFilename, |
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Utility::Path::join(MAGNUMFONTCONVERTER_TEST_DIR, "font-empty-cache.tga"), |
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DebugTools::CompareImageFile{_importerManager}); |
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} |
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void MagnumFontConverterTest::exportFontNoGlyphCacheImageDownload() { |
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struct: AbstractFont { |
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/* Supports neither file nor data opening */ |
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FontFeatures doFeatures() const override { return {}; } |
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bool doIsOpened() const override { return false; } |
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void doClose() override {} |
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UnsignedInt doGlyphId(char32_t) override { return {}; } |
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Vector2 doGlyphSize(UnsignedInt) override { return {}; } |
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Vector2 doGlyphAdvance(UnsignedInt) override { return {}; } |
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Containers::Pointer<AbstractLayouter> doLayout(const AbstractGlyphCache&, Float, Containers::StringView) override { |
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return nullptr; |
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} |
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} font; |
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struct: AbstractGlyphCache { |
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using AbstractGlyphCache::AbstractGlyphCache; |
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GlyphCacheFeatures doFeatures() const override { return {}; } |
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void doSetImage(const Vector2i&, const ImageView2D&) override {} |
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} cache{{100, 100}}; |
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Containers::Pointer<AbstractFontConverter> converter = _fontConverterManager.instantiate("MagnumFontConverter"); |
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std::ostringstream out; |
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Error redirectError{&out}; |
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CORRADE_VERIFY(!converter->exportFontToFile(font, cache, Utility::Path::join(MAGNUMFONTCONVERTER_TEST_WRITE_DIR, "font"), "Wave")); |
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CORRADE_COMPARE(out.str(), "Text::MagnumFontConverter::exportFontToData(): passed glyph cache doesn't support image download\n"); |
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} |
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}}}} |
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CORRADE_TEST_MAIN(Magnum::Text::Test::MagnumFontConverterTest)
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