third_party/WebKit/Source/platform/fonts/TestFontSelector.h

   1 /*
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   4  * Redistribution and use in source and binary forms, with or without
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  10  *     * Redistributions in binary form must reproduce the above
  11  * copyright notice, this list of conditions and the following disclaimer
  12  * in the documentation and/or other materials provided with the
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  15  * contributors may be used to endorse or promote products derived from
  16  * this software without specific prior written permission.
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  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #ifndef TestFontSelector_h
  32 #define TestFontSelector_h
  33
  34 #include "platform/fonts/FontCustomPlatformData.h"
  35 #include "platform/fonts/FontSelector.h"
  36 #include "public/platform/Platform.h"
  37 #include "public/platform/WebUnitTestSupport.h"
  38 #include "wtf/PassRefPtr.h"
  39 #include "wtf/RefPtr.h"
  40 #include "wtf/text/AtomicString.h"
  41
  42 namespace blink {
  43
  44 class TestFontSelector : public FontSelector {
  45 public:
  46     static PassRefPtrWillBeRawPtr<TestFontSelector> create(const String& path)
  47     {
  48         WebUnitTestSupport* unitTestSupport = Platform::current()->
  49             unitTestSupport();
  50         RefPtr<SharedBuffer> fontBuffer = static_cast<PassRefPtr<SharedBuffer>>(
  51             unitTestSupport->readFromFile(path));
  52         String otsParseMessage;
  53         return adoptRefWillBeNoop(new TestFontSelector(FontCustomPlatformData::create(
  54             fontBuffer.get(), otsParseMessage)));
  55     }
  56
  57     ~TestFontSelector() override { }
  58
  59     PassRefPtr<FontData> getFontData(const FontDescription& fontDescription,
  60         const AtomicString& familyName) override
  61     {
  62         FontPlatformData platformData = m_customPlatformData->fontPlatformData(
  63             fontDescription.effectiveFontSize(),
  64             fontDescription.isSyntheticBold(),
  65             fontDescription.isSyntheticItalic(),
  66             fontDescription.orientation());
  67         return SimpleFontData::create(platformData, CustomFontData::create());
  68     }
  69
  70     void willUseFontData(const FontDescription&, const AtomicString& familyName,
  71         UChar32) override { }
  72     unsigned version() const override { return 0; }
  73     void fontCacheInvalidated() override { }
  74
  75 private:
  76     TestFontSelector(PassOwnPtr<FontCustomPlatformData> customPlatformData)
  77     : m_customPlatformData(customPlatformData)
  78     {
  79     }
  80
  81     OwnPtr<FontCustomPlatformData> m_customPlatformData;
  82 };
  83
  84 Font createTestFont(const AtomicString& familyName,
  85     const String& fontPath, float size = 16.0f)
  86 {
  87     FontFamily family;
  88     family.setFamily(familyName);
  89
  90     FontDescription fontDescription;
  91     fontDescription.setFamily(family);
  92     fontDescription.setSpecifiedSize(size);
  93     fontDescription.setComputedSize(size);
  94
  95     Font font(fontDescription);
  96     font.update(TestFontSelector::create(fontPath));
  97     return font;
  98 }
  99
 100 } // namespace blink
 101
 102 #endif // TestFontSelector_h