#include "SkTypeface.h"
#include "platform/LayoutTestSupport.h"
#include "platform/fonts/FontCache.h"
-#include "platform/fonts/harfbuzz/HarfBuzzFace.h"
#include "platform/graphics/GraphicsContext.h"
-#include "public/platform/Platform.h"
-#include "public/platform/win/WebSandboxSupport.h"
-#include "wtf/PassOwnPtr.h"
-#include "wtf/StdLibExtras.h"
#include <windows.h>
namespace WebCore {
+// Maximum font size, in pixels, at which embedded bitmaps will be used
+// if available.
+const float kMaxSizeForEmbeddedBitmap = 24.0f;
+
void FontPlatformData::setupPaint(SkPaint* paint, GraphicsContext* context) const
{
const float ts = m_textSize >= 0 ? m_textSize : 12;
paint->setTypeface(typeface());
paint->setFakeBoldText(m_syntheticBold);
paint->setTextSkewX(m_syntheticItalic ? -SK_Scalar1 / 4 : 0);
- paint->setSubpixelText(m_useSubpixelPositioning);
- int textFlags = paintTextFlags();
+ uint32_t textFlags = paintTextFlags();
+ uint32_t flags = paint->getFlags();
+ static const uint32_t textFlagsMask = SkPaint::kAntiAlias_Flag |
+ SkPaint::kLCDRenderText_Flag |
+ SkPaint::kGenA8FromLCD_Flag;
+ flags &= ~textFlagsMask;
+
+ if (ts <= kMaxSizeForEmbeddedBitmap)
+ flags |= SkPaint::kEmbeddedBitmapText_Flag;
+
+ if (m_useSubpixelPositioning)
+ flags |= SkPaint::kSubpixelText_Flag;
+
// Only set painting flags when we're actually painting.
if (context && !context->couldUseLCDRenderedText()) {
textFlags &= ~SkPaint::kLCDRenderText_Flag;
// drawing LCD offscreen and downsampling that to AA.
textFlags |= SkPaint::kGenA8FromLCD_Flag;
}
-
- static const uint32_t textFlagsMask = SkPaint::kAntiAlias_Flag |
- SkPaint::kLCDRenderText_Flag |
- SkPaint::kGenA8FromLCD_Flag;
-
SkASSERT(!(textFlags & ~textFlagsMask));
- uint32_t flags = paint->getFlags();
- flags &= ~textFlagsMask;
flags |= textFlags;
+
paint->setFlags(flags);
}
static int computePaintTextFlags(String fontFamilyName)
{
+ if (isRunningLayoutTest())
+ return isFontAntialiasingEnabledForTest() ? SkPaint::kAntiAlias_Flag : 0;
+
int textFlags = getSystemTextFlags();
// Many web-fonts are so poorly hinted that they are terrible to read when drawn in BW.
// In these cases, we have decided to FORCE these fonts to be drawn with at least grayscale AA,
// even when the System (getSystemTextFlags) tells us to draw only in BW.
- if (isWebFont(fontFamilyName) && !isRunningLayoutTest())
+ if (isWebFont(fontFamilyName))
textFlags |= SkPaint::kAntiAlias_Flag;
- return textFlags;
-}
-
-FontPlatformData::FontPlatformData(WTF::HashTableDeletedValueType)
- : m_textSize(-1)
- , m_syntheticBold(false)
- , m_syntheticItalic(false)
- , m_orientation(Horizontal)
- , m_typeface(adoptRef(SkTypeface::RefDefault()))
- , m_paintTextFlags(0)
- , m_isHashTableDeletedValue(true)
- , m_useSubpixelPositioning(false)
-{
-}
-FontPlatformData::FontPlatformData()
- : m_textSize(0)
- , m_syntheticBold(false)
- , m_syntheticItalic(false)
- , m_orientation(Horizontal)
- , m_typeface(adoptRef(SkTypeface::RefDefault()))
- , m_paintTextFlags(0)
- , m_isHashTableDeletedValue(false)
- , m_useSubpixelPositioning(false)
-{
-}
-
-// FIXME: this constructor is needed for SVG fonts but doesn't seem to do much
-FontPlatformData::FontPlatformData(float size, bool bold, bool oblique)
- : m_textSize(size)
- , m_syntheticBold(false)
- , m_syntheticItalic(false)
- , m_orientation(Horizontal)
- , m_typeface(adoptRef(SkTypeface::RefDefault()))
- , m_paintTextFlags(0)
- , m_isHashTableDeletedValue(false)
- , m_useSubpixelPositioning(false)
-{
-}
-
-FontPlatformData::FontPlatformData(const FontPlatformData& data)
- : m_textSize(data.m_textSize)
- , m_syntheticBold(data.m_syntheticBold)
- , m_syntheticItalic(data.m_syntheticItalic)
- , m_orientation(data.m_orientation)
- , m_typeface(data.m_typeface)
- , m_paintTextFlags(data.m_paintTextFlags)
- , m_isHashTableDeletedValue(false)
- , m_useSubpixelPositioning(data.m_useSubpixelPositioning)
-{
+ return textFlags;
}
-FontPlatformData::FontPlatformData(const FontPlatformData& data, float textSize)
- : m_textSize(textSize)
- , m_syntheticBold(data.m_syntheticBold)
- , m_syntheticItalic(data.m_syntheticItalic)
- , m_orientation(data.m_orientation)
- , m_typeface(data.m_typeface)
- , m_paintTextFlags(data.m_paintTextFlags)
- , m_isHashTableDeletedValue(false)
- , m_useSubpixelPositioning(data.m_useSubpixelPositioning)
-{
-}
-FontPlatformData::FontPlatformData(PassRefPtr<SkTypeface> tf, const char* family,
- float textSize, bool syntheticBold, bool syntheticItalic, FontOrientation orientation,
- bool useSubpixelPositioning)
- : m_textSize(textSize)
- , m_syntheticBold(syntheticBold)
- , m_syntheticItalic(syntheticItalic)
- , m_orientation(orientation)
- , m_typeface(tf)
- , m_isHashTableDeletedValue(false)
- , m_useSubpixelPositioning(useSubpixelPositioning)
+void FontPlatformData::querySystemForRenderStyle(bool)
{
m_paintTextFlags = computePaintTextFlags(fontFamilyName());
}
-FontPlatformData::~FontPlatformData()
-{
-}
-
-FontPlatformData& FontPlatformData::operator=(const FontPlatformData& data)
-{
- if (this != &data) {
- m_textSize = data.m_textSize;
- m_syntheticBold = data.m_syntheticBold;
- m_syntheticItalic = data.m_syntheticItalic;
- m_orientation = data.m_orientation;
- m_typeface = data.m_typeface;
- m_paintTextFlags = data.m_paintTextFlags;
- }
- return *this;
-}
-
-String FontPlatformData::fontFamilyName() const
-{
- // FIXME: This returns the requested name, perhaps a better solution would be to
- // return the list of names provided by SkTypeface::createFamilyNameIterator.
- ASSERT(typeface());
- SkString familyName;
- typeface()->getFamilyName(&familyName);
- return String::fromUTF8(familyName.c_str());
-}
-
-bool FontPlatformData::isFixedPitch() const
-{
- return typeface() && typeface()->isFixedPitch();
-}
-
-bool FontPlatformData::operator==(const FontPlatformData& a) const
-{
- return SkTypeface::Equal(m_typeface.get(), a.m_typeface.get())
- && m_textSize == a.m_textSize
- && m_syntheticBold == a.m_syntheticBold
- && m_syntheticItalic == a.m_syntheticItalic
- && m_orientation == a.m_orientation
- && m_isHashTableDeletedValue == a.m_isHashTableDeletedValue;
-}
-
-HarfBuzzFace* FontPlatformData::harfBuzzFace() const
-{
- if (!m_harfBuzzFace)
- m_harfBuzzFace = HarfBuzzFace::create(const_cast<FontPlatformData*>(this), uniqueID());
-
- return m_harfBuzzFace.get();
-}
-
-SkFontID FontPlatformData::uniqueID() const
-{
- return m_typeface->uniqueID();
-}
-
bool FontPlatformData::defaultUseSubpixelPositioning()
{
return FontCache::fontCache()->useSubpixelPositioning();
}
-#ifndef NDEBUG
-String FontPlatformData::description() const
-{
- return String();
-}
-#endif
-
} // namespace WebCore
projects / platform / framework / web / crosswalk.git / blobdiff