void MagnumFontConverterTest::exportFont() {
/* Remove previously created files */
Utility::Directory::rm(Utility::Directory::join(MAGNUMFONTCONVERTER_TEST_WRITE_DIR, "font.conf"));
Utility::Directory::rm(Utility::Directory::join(MAGNUMFONTCONVERTER_TEST_WRITE_DIR, "font.tga"));
/* Open font */
FreeTypeFont font;
CORRADE_VERIFY(font.openFile(Utility::Directory::join(FREETYPEFONT_TEST_DIR, "Oxygen.ttf"), 16.0f));
/* Create fake cache */
MAGNUM_ASSERT_EXTENSION_SUPPORTED(Extensions::GL::ARB::texture_rg);
GlyphCache cache(TextureFormat::R8, Vector2i(1536), Vector2i(256), Vector2i(24));
cache.insert(font.glyphId(U'W'), {25, 34}, {{0, 8}, {16, 128}});
cache.insert(font.glyphId(U'e'), {25, 12}, {{16, 4}, {64, 32}});
/* Convert the file */
MagnumFontConverter converter;
converter.exportFontToFile(font, cache, Utility::Directory::join(MAGNUMFONTCONVERTER_TEST_WRITE_DIR, "font"), "Wave");
/* Verify font parameters */
/** @todo This might behave differently elsewhere due to unspecified order of glyphs in cache */
CORRADE_COMPARE_AS(Utility::Directory::join(MAGNUMFONTCONVERTER_TEST_WRITE_DIR, "font.conf"),
Utility::Directory::join(MAGNUMFONT_TEST_DIR, "font.conf"),
TestSuite::Compare::File);
/* Verify font image, no need to test image contents, as the image is garbage anyway */
Trade::TgaImporter importer;
CORRADE_VERIFY(importer.openFile(Utility::Directory::join(MAGNUMFONTCONVERTER_TEST_WRITE_DIR, "font.tga")));
std::optional<Trade::ImageData2D> image = importer.image2D(0);
CORRADE_VERIFY(image);
CORRADE_COMPARE(image->size(), Vector2i(256));
CORRADE_COMPARE(image->format(), ImageFormat::Red);
CORRADE_COMPARE(image->type(), ImageType::UnsignedByte);
}
FreeTypeFont* loadFreeTypeFont(const char* filename, int height)
{
FreeTypeFont* font = new FreeTypeFont(filename, height);
if (!font->isValid()) {
delete font;
font = nullptr;
}
return font;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool Labels::updateFont(cvf::uint size)
{
FreeTypeFont* freeTypeFont = dynamic_cast<FreeTypeFont*>(m_font.p());
if (!freeTypeFont) return false;
m_fontSize = size;
freeTypeFont->setSize(m_fontSize);
return true;
}
void FreeTypeFontTest::layout() {
FreeTypeFont font;
CORRADE_VERIFY(font.openFile(Utility::Directory::join(FREETYPEFONT_TEST_DIR, "Oxygen.ttf"), 16.0f));
/* Fill the cache with some fake glyphs */
GlyphCache cache(Vector2i(256));
cache.insert(font.glyphId(U'W'), {25, 34}, {{0, 8}, {16, 128}});
cache.insert(font.glyphId(U'e'), {25, 12}, {{16, 4}, {64, 32}});
std::unique_ptr<AbstractLayouter> layouter = font.layout(cache, 0.5f, "Wave");
CORRADE_VERIFY(layouter);
CORRADE_COMPARE(layouter->glyphCount(), 4);
Vector2 cursorPosition;
Rectangle rectangle;
Rectangle position;
Rectangle textureCoordinates;
/* 'W' */
std::tie(position, textureCoordinates) = layouter->renderGlyph(0, cursorPosition = {}, rectangle);
CORRADE_COMPARE(position, Rectangle({0.78125f, 1.0625f}, {1.28125f, 4.8125f}));
CORRADE_COMPARE(textureCoordinates, Rectangle({0, 0.03125f}, {0.0625f, 0.5f}));
CORRADE_COMPARE(cursorPosition, Vector2(0.71875f, 0.0f));
/* 'a' (not in cache) */
std::tie(position, textureCoordinates) = layouter->renderGlyph(1, cursorPosition = {}, rectangle);
CORRADE_COMPARE(position, Rectangle());
CORRADE_COMPARE(textureCoordinates, Rectangle());
CORRADE_COMPARE(cursorPosition, Vector2(0.34375f, 0.0f));
/* 'v' (not in cache) */
std::tie(position, textureCoordinates) = layouter->renderGlyph(2, cursorPosition = {}, rectangle);
CORRADE_COMPARE(position, Rectangle());
CORRADE_COMPARE(textureCoordinates, Rectangle());
CORRADE_COMPARE(cursorPosition, Vector2(0.34375f, 0.0f));
/* 'e' */
std::tie(position, textureCoordinates) = layouter->renderGlyph(3, cursorPosition = {}, rectangle);
CORRADE_COMPARE(position, Rectangle({0.78125f, 0.375f}, {2.28125f, 1.25f}));
CORRADE_COMPARE(textureCoordinates, Rectangle({0.0625f, 0.015625f}, {0.25f, 0.125f}));
CORRADE_COMPARE(cursorPosition, Vector2(0.375f, 0.0f));
}
void FreeTypeFontTest::properties() {
FreeTypeFont font;
CORRADE_VERIFY(font.openFile(Utility::Directory::join(FREETYPEFONT_TEST_DIR, "Oxygen.ttf"), 16.0f));
CORRADE_COMPARE(font.size(), 16.0f);
CORRADE_COMPARE(font.lineHeight(), 37.25f);
CORRADE_COMPARE(font.glyphId(U'W'), 58);
CORRADE_COMPARE(font.glyphAdvance(58), Vector2(23.0f, 0.0f));
}
