[PDF] Subset font advance data (W array).
Patch by arthurhsu@chromium.org. Original CL:
http://codereview.appspot.com/4830068
http://codereview.appspot.com/4905051/
Review URL: http://codereview.appspot.com/4911042
git-svn-id: http://skia.googlecode.com/svn/trunk@2134 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/include/core/SkAdvancedTypefaceMetrics.h b/include/core/SkAdvancedTypefaceMetrics.h
index f2b001e..09fc9a9 100755
--- a/include/core/SkAdvancedTypefaceMetrics.h
+++ b/include/core/SkAdvancedTypefaceMetrics.h
@@ -132,10 +132,21 @@
typename SkAdvancedTypefaceMetrics::AdvanceMetric<Data>::MetricType
type);
+/** Retrieve advance data for glyphs. Used by the PDF backend. It calls
+ underlying platform dependent API getAdvance to acquire the data.
+ @param num_glyphs Total number of glyphs in the given font.
+ @param glyphIDs For per-glyph info, specify subset of the font by
+ giving glyph ids. Each integer represents a glyph
+ id. Passing NULL means all glyphs in the font.
+ @param glyphIDsCount Number of elements in subsetGlyphIds. Ignored if
+ glyphIDs is NULL.
+*/
template <typename Data, typename FontHandle>
SkAdvancedTypefaceMetrics::AdvanceMetric<Data>* getAdvanceData(
FontHandle fontHandle,
int num_glyphs,
+ const uint32_t* glyphIDs,
+ uint32_t glyphIDsCount,
bool (*getAdvance)(FontHandle fontHandle, int gId, Data* data));
} // namespace skia_advanced_typeface_metrics_utils
diff --git a/include/core/SkFontHost.h b/include/core/SkFontHost.h
index 5900cc6..8858ecb 100644
--- a/include/core/SkFontHost.h
+++ b/include/core/SkFontHost.h
@@ -24,7 +24,7 @@
This class is ported to each environment. It is responsible for bridging
the gap between the (sort of) abstract class SkTypeface and the
platform-specific implementation that provides access to font files.
-
+
One basic task is for each create (subclass of) SkTypeface, the FontHost is
resonsible for assigning a uniqueID. The ID should be unique for the
underlying font file/data, not unique per typeface instance. Thus it is
@@ -36,7 +36,7 @@
returned). Either way, the fontID for those instance(s) will be the same.
In addition, the fontID should never be set to 0. That value is used as a
sentinel to indicate no-font-id.
-
+
The major aspects are:
1) Given either a name/style, return a subclass of SkTypeface that
references the closest matching font available on the host system.
@@ -65,17 +65,17 @@
/** Return a new typeface given the data buffer. If the data does not
represent a valid font, returns null.
-
+
If a typeface instance is returned, the caller is responsible for
calling unref() on the typeface when they are finished with it.
-
+
The returned typeface may or may not have called ref() on the stream
parameter. If the typeface has not called ref(), then it may have made
a copy of the releveant data. In either case, the caller is still
- responsible for its refcnt ownership of the stream.
+ responsible for its refcnt ownership of the stream.
*/
static SkTypeface* CreateTypefaceFromStream(SkStream*);
-
+
/** Return a new typeface from the specified file path. If the file does not
represent a valid font, this returns null. If a typeface is returned,
the caller is responsible for calling unref() when it is no longer used.
@@ -83,13 +83,13 @@
static SkTypeface* CreateTypefaceFromFile(const char path[]);
///////////////////////////////////////////////////////////////////////////
-
+
/** Returns true if the specified unique ID matches an existing font.
Returning false is similar to calling OpenStream with an invalid ID,
which will return NULL in that case.
*/
static bool ValidFontID(SkFontID uniqueID);
-
+
/** Return a new stream to read the font data, or null if the uniqueID does
not match an existing typeface. .The caller must call stream->unref()
when it is finished reading the data.
@@ -138,7 +138,7 @@
static SkTypeface* Deserialize(SkStream*);
///////////////////////////////////////////////////////////////////////////
-
+
/** Return a subclass of SkScalarContext
*/
static SkScalerContext* CreateScalerContext(const SkDescriptor* desc);
@@ -181,10 +181,17 @@
names, etc.) should be populated.
@return The returned object has already been referenced. NULL is
returned if the font is not found.
+ @param glyphIDs For per-glyph info, specify subset of the font by
+ giving glyph ids. Each integer represents a glyph
+ id. Passing NULL means all glyphs in the font.
+ @param glyphIDsCount Number of elements in subsetGlyphIds. Ignored if
+ glyphIDs is NULL.
*/
static SkAdvancedTypefaceMetrics* GetAdvancedTypefaceMetrics(
SkFontID fontID,
- SkAdvancedTypefaceMetrics::PerGlyphInfo perGlyphInfo);
+ SkAdvancedTypefaceMetrics::PerGlyphInfo perGlyphInfo,
+ const uint32_t* glyphIDs,
+ uint32_t glyphIDsCount);
/** Return the number of tables in the font
*/
@@ -199,7 +206,7 @@
/** Given a table tag, return the size of its contents, or 0 if not present
*/
static size_t GetTableSize(SkFontID, SkFontTableTag);
-
+
/** Copy the contents of a table into data (allocated by the caller). Note
that the contents of the table will be in their native endian order
(which for most truetype tables is big endian). If the table tag is
@@ -293,4 +300,3 @@
};
#endif
-
diff --git a/include/core/SkTypeface.h b/include/core/SkTypeface.h
index 14c9692..03ed11c 100644
--- a/include/core/SkTypeface.h
+++ b/include/core/SkTypeface.h
@@ -134,10 +134,17 @@
/** Retrieve detailed typeface metrics. Used by the PDF backend.
@param perGlyphInfo Indicate what glyph specific information (advances,
names, etc.) should be populated.
+ @param glyphIDs For per-glyph info, specify subset of the font by
+ giving glyph ids. Each integer represents a glyph
+ id. Passing NULL means all glyphs in the font.
+ @param glyphIDsCount Number of elements in subsetGlyphIds. Ignored if
+ glyphIDs is NULL.
@return The returned object has already been referenced.
*/
SkAdvancedTypefaceMetrics* getAdvancedTypefaceMetrics(
- SkAdvancedTypefaceMetrics::PerGlyphInfo perGlyphInfo) const;
+ SkAdvancedTypefaceMetrics::PerGlyphInfo perGlyphInfo,
+ const uint32_t* glyphIDs = NULL,
+ uint32_t glyphIDsCount = 0) const;
protected:
/** uniqueID must be unique (please!) and non-zero
diff --git a/include/core/SkTypes.h b/include/core/SkTypes.h
index d50f2eb..d299223 100644
--- a/include/core/SkTypes.h
+++ b/include/core/SkTypes.h
@@ -478,4 +478,3 @@
#endif /* C++ */
#endif
-
diff --git a/include/pdf/SkPDFFont.h b/include/pdf/SkPDFFont.h
index 4b7943c..b884017 100644
--- a/include/pdf/SkPDFFont.h
+++ b/include/pdf/SkPDFFont.h
@@ -137,6 +137,7 @@
// Accessors for subclass.
SkAdvancedTypefaceMetrics* fontInfo();
+ void setFontInfo(SkAdvancedTypefaceMetrics* info);
uint16_t firstGlyphID() const;
uint16_t lastGlyphID() const;
void setLastGlyphID(uint16_t glyphID);
diff --git a/src/core/SkAdvancedTypefaceMetrics.cpp b/src/core/SkAdvancedTypefaceMetrics.cpp
index f786671..cff0989 100644
--- a/src/core/SkAdvancedTypefaceMetrics.cpp
+++ b/src/core/SkAdvancedTypefaceMetrics.cpp
@@ -65,6 +65,8 @@
SkAdvancedTypefaceMetrics::AdvanceMetric<Data>* getAdvanceData(
FontHandle fontHandle,
int num_glyphs,
+ const uint32_t* subsetGlyphIDs,
+ uint32_t subsetGlyphIDsLength,
bool (*getAdvance)(FontHandle fontHandle, int gId, Data* data)) {
// Assuming that an ASCII representation of a width or a glyph id is,
// on average, 3 characters long gives the following cut offs for
@@ -82,10 +84,17 @@
curRange = appendRange(&result, 0);
Data lastAdvance = SK_MinS16;
int repeats = 0;
+ uint32_t subsetIndex = 0;
for (int gId = 0; gId <= num_glyphs; gId++) {
- Data advance;
+ Data advance = 0;
if (gId < num_glyphs) {
- SkAssertResult(getAdvance(fontHandle, gId, &advance));
+ // Get glyph id only when subset is NULL, or the id is in subset.
+ if (!subsetGlyphIDs ||
+ (subsetIndex < subsetGlyphIDsLength &&
+ static_cast<uint32_t>(gId) == subsetGlyphIDs[subsetIndex])) {
+ SkAssertResult(getAdvance(fontHandle, gId, &advance));
+ ++subsetIndex;
+ }
} else {
advance = SK_MinS16;
}
@@ -139,16 +148,22 @@
template SkAdvancedTypefaceMetrics::WidthRange* getAdvanceData(
HDC hdc,
int num_glyphs,
+ const uint32_t* subsetGlyphIDs,
+ uint32_t subsetGlyphIDsLength,
bool (*getAdvance)(HDC hdc, int gId, int16_t* data));
#elif defined(SK_BUILD_FOR_UNIX)
template SkAdvancedTypefaceMetrics::WidthRange* getAdvanceData(
FT_Face face,
int num_glyphs,
+ const uint32_t* subsetGlyphIDs,
+ uint32_t subsetGlyphIDsLength,
bool (*getAdvance)(FT_Face face, int gId, int16_t* data));
#elif defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_IOS)
template SkAdvancedTypefaceMetrics::WidthRange* getAdvanceData(
CTFontRef ctFont,
int num_glyphs,
+ const uint32_t* subsetGlyphIDs,
+ uint32_t subsetGlyphIDsLength,
bool (*getAdvance)(CTFontRef ctFont, int gId, int16_t* data));
#endif
template void resetRange(
diff --git a/src/core/SkTypeface.cpp b/src/core/SkTypeface.cpp
index 82ccca5..268fcc9 100644
--- a/src/core/SkTypeface.cpp
+++ b/src/core/SkTypeface.cpp
@@ -43,7 +43,7 @@
// The initial value of 0 is fine, since a typeface's uniqueID should not
// be zero.
static uint32_t gDefaultFontID;
-
+
if (0 == gDefaultFontID) {
SkTypeface* defaultFace =
SkFontHost::CreateTypeface(NULL, NULL, NULL, 0,
@@ -93,6 +93,11 @@
}
SkAdvancedTypefaceMetrics* SkTypeface::getAdvancedTypefaceMetrics(
- SkAdvancedTypefaceMetrics::PerGlyphInfo perGlyphInfo) const {
- return SkFontHost::GetAdvancedTypefaceMetrics(fUniqueID, perGlyphInfo);
+ SkAdvancedTypefaceMetrics::PerGlyphInfo perGlyphInfo,
+ const uint32_t* glyphIDs,
+ uint32_t glyphIDsCount) const {
+ return SkFontHost::GetAdvancedTypefaceMetrics(fUniqueID,
+ perGlyphInfo,
+ glyphIDs,
+ glyphIDsCount);
}
diff --git a/src/pdf/SkPDFFont.cpp b/src/pdf/SkPDFFont.cpp
index d96afa8..7fe8b5c 100644
--- a/src/pdf/SkPDFFont.cpp
+++ b/src/pdf/SkPDFFont.cpp
@@ -528,7 +528,7 @@
static int get_subset_font_stream(const char* fontName,
const SkTypeface* typeface,
- const SkPDFGlyphSet* subset,
+ const SkTDArray<uint32_t>& subset,
SkPDFStream** fontStream) {
SkRefPtr<SkStream> fontData =
SkFontHost::OpenStream(SkTypeface::UniqueID(typeface));
@@ -537,11 +537,6 @@
int fontSize = fontData->getLength();
#if defined (SK_SFNTLY_SUBSETTER)
- // Generate glyph id array.
- SkTDArray<uint32_t> glyphIDs;
- glyphIDs.push(0); // Always include glyph 0.
- subset->exportTo(&glyphIDs);
-
// Read font into buffer.
SkPDFStream* subsetFontStream = NULL;
SkTDArray<unsigned char> originalFont;
@@ -555,8 +550,8 @@
int subsetFontSize = SfntlyWrapper::SubsetFont(fontName,
originalFont.begin(),
fontSize,
- glyphIDs.begin(),
- glyphIDs.count(),
+ subset.begin(),
+ subset.count(),
&subsetFont);
if (subsetFontSize > 0 && subsetFont != NULL) {
SkAutoDataUnref data(SkData::NewWithProc(subsetFont,
@@ -751,13 +746,26 @@
relatedFontDescriptor = relatedFont->getFontDescriptor();
} else {
SkAdvancedTypefaceMetrics::PerGlyphInfo info;
- info = SkAdvancedTypefaceMetrics::kHAdvance_PerGlyphInfo;
- info = SkTBitOr<SkAdvancedTypefaceMetrics::PerGlyphInfo>(
- info, SkAdvancedTypefaceMetrics::kGlyphNames_PerGlyphInfo);
+ info = SkAdvancedTypefaceMetrics::kGlyphNames_PerGlyphInfo;
info = SkTBitOr<SkAdvancedTypefaceMetrics::PerGlyphInfo>(
info, SkAdvancedTypefaceMetrics::kToUnicode_PerGlyphInfo);
- fontMetrics = SkFontHost::GetAdvancedTypefaceMetrics(fontID, info);
+#if !defined (SK_SFNTLY_SUBSETTER)
+ info = SkTBitOr<SkAdvancedTypefaceMetrics::PerGlyphInfo>(
+ info, SkAdvancedTypefaceMetrics::kHAdvance_PerGlyphInfo);
+#endif
+ fontMetrics =
+ SkFontHost::GetAdvancedTypefaceMetrics(fontID, info, NULL, 0);
+#if defined (SK_SFNTLY_SUBSETTER)
SkSafeUnref(fontMetrics.get()); // SkRefPtr and Get both took a ref.
+ if (fontMetrics->fType != SkAdvancedTypefaceMetrics::kTrueType_Font) {
+ // Font does not support subsetting, get new info with advance.
+ info = SkTBitOr<SkAdvancedTypefaceMetrics::PerGlyphInfo>(
+ info, SkAdvancedTypefaceMetrics::kHAdvance_PerGlyphInfo);
+ fontMetrics =
+ SkFontHost::GetAdvancedTypefaceMetrics(fontID, info, NULL, 0);
+ SkSafeUnref(fontMetrics.get()); // SkRefPtr and Get both took a ref
+ }
+#endif
}
SkPDFFont* font = Create(fontMetrics.get(), typeface, glyphID,
@@ -850,6 +858,13 @@
return fFontInfo.get();
}
+void SkPDFFont::setFontInfo(SkAdvancedTypefaceMetrics* info) {
+ if (info == NULL || info == fFontInfo.get()) {
+ return;
+ }
+ fFontInfo = info;
+}
+
uint16_t SkPDFFont::firstGlyphID() const {
return fFirstGlyphID;
}
@@ -978,9 +993,10 @@
insertName("BaseFont", fontInfo()->fFontName);
insertName("Encoding", "Identity-H");
+ SkPDFCIDFont* newCIDFont;
+ newCIDFont = new SkPDFCIDFont(fontInfo(), typeface(), subset);
+
// Pass ref new created to fResources.
- SkPDFCIDFont* newCIDFont =
- new SkPDFCIDFont(fontInfo(), typeface(), subset);
addResource(newCIDFont);
SkRefPtr<SkPDFArray> descendantFonts = new SkPDFArray();
descendantFonts->unref(); // SkRefPtr and new took a reference.
@@ -1006,18 +1022,19 @@
SkPDFCIDFont::~SkPDFCIDFont() {}
bool SkPDFCIDFont::addFontDescriptor(int16_t defaultWidth,
- const SkPDFGlyphSet* subset) {
+ const SkTDArray<uint32_t>* subset) {
SkRefPtr<SkPDFDict> descriptor = new SkPDFDict("FontDescriptor");
descriptor->unref(); // SkRefPtr and new both took a ref.
setFontDescriptor(descriptor.get());
switch (getType()) {
case SkAdvancedTypefaceMetrics::kTrueType_Font: {
+ SkASSERT(subset);
// Font subsetting
SkPDFStream* rawStream = NULL;
int fontSize = get_subset_font_stream(fontInfo()->fFontName.c_str(),
typeface(),
- subset,
+ *subset,
&rawStream);
SkASSERT(fontSize);
SkASSERT(rawStream);
@@ -1060,6 +1077,36 @@
}
bool SkPDFCIDFont::populate(const SkPDFGlyphSet* subset) {
+ // Generate new font metrics with advance info for true type fonts.
+ if (fontInfo()->fType == SkAdvancedTypefaceMetrics::kTrueType_Font) {
+ // Generate glyph id array.
+ SkTDArray<uint32_t> glyphIDs;
+ glyphIDs.push(0); // Always include glyph 0.
+ if (subset) {
+ subset->exportTo(&glyphIDs);
+ }
+
+ SkRefPtr<SkAdvancedTypefaceMetrics> fontMetrics;
+ SkAdvancedTypefaceMetrics::PerGlyphInfo info;
+ info = SkAdvancedTypefaceMetrics::kGlyphNames_PerGlyphInfo;
+ info = SkTBitOr<SkAdvancedTypefaceMetrics::PerGlyphInfo>(
+ info, SkAdvancedTypefaceMetrics::kHAdvance_PerGlyphInfo);
+ uint32_t* glyphs = (glyphIDs.count() == 1) ? NULL : glyphIDs.begin();
+ uint32_t glyphsCount = glyphs ? glyphIDs.count() : 0;
+ fontMetrics =
+ SkFontHost::GetAdvancedTypefaceMetrics(
+ SkTypeface::UniqueID(typeface()),
+ info,
+ glyphs,
+ glyphsCount);
+ SkSafeUnref(fontMetrics.get()); // SkRefPtr and Get both took a ref
+ setFontInfo(fontMetrics.get());
+ addFontDescriptor(0, &glyphIDs);
+ } else {
+ // Other CID fonts
+ addFontDescriptor(0, NULL);
+ }
+
insertName("BaseFont", fontInfo()->fFontName);
if (getType() == SkAdvancedTypefaceMetrics::kType1CID_Font) {
@@ -1078,8 +1125,6 @@
sysInfo->insertInt("Supplement", 0);
insert("CIDSystemInfo", sysInfo.get());
- addFontDescriptor(0, subset);
-
if (fontInfo()->fGlyphWidths.get()) {
int16_t defaultWidth = 0;
SkRefPtr<SkPDFArray> widths =
diff --git a/src/pdf/SkPDFFontImpl.h b/src/pdf/SkPDFFontImpl.h
index 61983a4..d298a38 100755
--- a/src/pdf/SkPDFFontImpl.h
+++ b/src/pdf/SkPDFFontImpl.h
@@ -46,7 +46,8 @@
const SkPDFGlyphSet* subset);
bool populate(const SkPDFGlyphSet* subset);
- bool addFontDescriptor(int16_t defaultWidth, const SkPDFGlyphSet* subset);
+ bool addFontDescriptor(int16_t defaultWidth,
+ const SkTDArray<uint32_t>* subset);
};
class SkPDFType1Font : public SkPDFFont {
diff --git a/src/ports/SkFontHost_FreeType.cpp b/src/ports/SkFontHost_FreeType.cpp
index 2894a3d..0939015 100644
--- a/src/ports/SkFontHost_FreeType.cpp
+++ b/src/ports/SkFontHost_FreeType.cpp
@@ -408,7 +408,9 @@
// static
SkAdvancedTypefaceMetrics* SkFontHost::GetAdvancedTypefaceMetrics(
uint32_t fontID,
- SkAdvancedTypefaceMetrics::PerGlyphInfo perGlyphInfo) {
+ SkAdvancedTypefaceMetrics::PerGlyphInfo perGlyphInfo,
+ const uint32_t* glyphIDs,
+ uint32_t glyphIDsCount) {
#if defined(SK_BUILD_FOR_MAC) || defined(ANDROID)
return NULL;
#else
@@ -521,7 +523,7 @@
info->fBBox = SkIRect::MakeLTRB(face->bbox.xMin, face->bbox.yMax,
face->bbox.xMax, face->bbox.yMin);
- if (!canEmbed(face) || !FT_IS_SCALABLE(face) ||
+ if (!canEmbed(face) || !FT_IS_SCALABLE(face) ||
info->fType == SkAdvancedTypefaceMetrics::kOther_Font) {
perGlyphInfo = SkAdvancedTypefaceMetrics::kNo_PerGlyphInfo;
}
@@ -552,7 +554,11 @@
SkAdvancedTypefaceMetrics::WidthRange::kRange);
} else {
info->fGlyphWidths.reset(
- getAdvanceData(face, face->num_glyphs, &getWidthAdvance));
+ getAdvanceData(face,
+ face->num_glyphs,
+ glyphIDs,
+ glyphIDsCount,
+ &getWidthAdvance));
}
}
@@ -588,6 +594,7 @@
return info;
#endif
}
+
///////////////////////////////////////////////////////////////////////////
static bool bothZero(SkScalar a, SkScalar b) {
@@ -622,7 +629,7 @@
// to do subpixel, we must have at most slight hinting
h = SkPaint::kSlight_Hinting;
}
-#ifndef SK_IGNORE_ROTATED_FREETYPE_FIX
+#ifndef SK_IGNORE_ROTATED_FREETYPE_FIX
// rotated text looks bad with hinting, so we disable it as needed
if (!isAxisAligned(*rec)) {
h = SkPaint::kNo_Hinting;
diff --git a/src/ports/SkFontHost_mac_atsui.cpp b/src/ports/SkFontHost_mac_atsui.cpp
index 70bc0b6..d5c50fb 100644
--- a/src/ports/SkFontHost_mac_atsui.cpp
+++ b/src/ports/SkFontHost_mac_atsui.cpp
@@ -40,7 +40,7 @@
static uint32_t find_from_name(const char name[]) {
CFStringRef str = CFStringCreateWithCString(NULL, name,
- kCFStringEncodingUTF8);
+ kCFStringEncodingUTF8);
uint32_t fontID = ::ATSFontFindFromName(str, kATSOptionFlagsDefault);
CFRelease(str);
return fontID;
@@ -93,7 +93,7 @@
ATSUStyle fStyle;
CGColorSpaceRef fGrayColorSpace;
CGAffineTransform fTransform;
-
+
static OSStatus MoveTo(const Float32Point *pt, void *cb);
static OSStatus Line(const Float32Point *pt, void *cb);
static OSStatus Curve(const Float32Point *pt1, const Float32Point *pt2, const Float32Point *pt3, void *cb);
@@ -122,20 +122,20 @@
{
SkAutoMutexAcquire ac(gFTMutex);
OSStatus err;
-
+
err = ::ATSUCreateStyle(&fStyle);
SkASSERT(0 == err);
-
+
SkMatrix m;
fRec.getSingleMatrix(&m);
-
+
fTransform = CGAffineTransformMake(SkScalarToFloat(m[SkMatrix::kMScaleX]),
SkScalarToFloat(m[SkMatrix::kMSkewX]),
SkScalarToFloat(m[SkMatrix::kMSkewY]),
SkScalarToFloat(m[SkMatrix::kMScaleY]),
SkScalarToFloat(m[SkMatrix::kMTransX]),
SkScalarToFloat(m[SkMatrix::kMTransY]));
-
+
ATSStyleRenderingOptions renderOpts = kATSStyleApplyAntiAliasing;
switch (fRec.getHinting()) {
case SkPaint::kNo_Hinting:
@@ -192,16 +192,16 @@
uint16_t SkScalerContext_Mac::generateCharToGlyph(SkUnichar uni)
{
SkAutoMutexAcquire ac(gFTMutex);
-
+
OSStatus err;
UniChar achar = uni;
err = ::ATSUSetTextPointerLocation(fLayout,&achar,0,1,1);
err = ::ATSUSetRunStyle(fLayout,fStyle,kATSUFromTextBeginning,kATSUToTextEnd);
-
+
ATSLayoutRecord *layoutPtr;
ItemCount count;
ATSGlyphRef glyph;
-
+
err = ::ATSUDirectGetLayoutDataArrayPtrFromTextLayout(fLayout,0,kATSUDirectDataLayoutRecordATSLayoutRecordCurrent,(void**)&layoutPtr,&count);
glyph = layoutPtr->glyphID;
::ATSUDirectReleaseLayoutDataArrayPtr(NULL,kATSUDirectDataLayoutRecordATSLayoutRecordCurrent,(void**)&layoutPtr);
@@ -260,7 +260,7 @@
{
SkAutoMutexAcquire ac(gFTMutex);
SkASSERT(fLayout);
-
+
sk_bzero(glyph.fImage, glyph.fHeight * glyph.rowBytes());
CGContextRef contextRef = ::CGBitmapContextCreate(glyph.fImage,
glyph.fWidth, glyph.fHeight, 8,
@@ -270,10 +270,10 @@
SkASSERT(false);
return;
}
-
+
::CGContextSetGrayFillColor(contextRef, 1.0, 1.0);
::CGContextSetTextDrawingMode(contextRef, kCGTextFill);
-
+
CGGlyph glyphID = glyph.getGlyphID(fBaseGlyphCount);
CGFontRef fontRef = CGFontCreateWithPlatformFont(&fRec.fFontID);
CGContextSetFont(contextRef, fontRef);
@@ -281,7 +281,7 @@
CGContextSetTextMatrix(contextRef, fTransform);
CGContextShowGlyphsAtPoint(contextRef, -glyph.fLeft,
glyph.fTop + glyph.fHeight, &glyphID, 1);
-
+
::CGContextRelease(contextRef);
}
@@ -359,7 +359,7 @@
for (int i = 0; i < 5; i++) {
pts[i].set(0, SkIntToScalar(ys[i]) / upem);
}
-
+
sk_free(hhea);
sk_free(head);
return true;
@@ -368,7 +368,7 @@
void SkScalerContext_Mac::generateFontMetrics(SkPaint::FontMetrics* mx,
SkPaint::FontMetrics* my) {
SkPoint pts[5];
-
+
if (!init_vertical_metrics(fRec.fFontID, pts)) {
// these are not as accurate as init_vertical_metrics :(
ATSFontMetrics metrics;
@@ -380,7 +380,7 @@
pts[3].set(0, -SkFloatToScalar(metrics.descent));
pts[4].set(0, SkFloatToScalar(metrics.leading)); //+ or -?
}
-
+
SkMatrix m;
fRec.getSingleMatrix(&m);
m.mapPoints(pts, 5);
@@ -415,7 +415,7 @@
{
SkAutoMutexAcquire ac(gFTMutex);
OSStatus err,result;
-
+
err = ::ATSUGlyphGetCubicPaths(
fStyle,glyph.fID,
&SkScalerContext_Mac::MoveTo,
@@ -476,7 +476,9 @@
// static
SkAdvancedTypefaceMetrics* SkFontHost::GetAdvancedTypefaceMetrics(
uint32_t fontID,
- SkAdvancedTypefaceMetrics::PerGlyphInfo perGlyphInfo) {
+ SkAdvancedTypefaceMetrics::PerGlyphInfo perGlyphInfo,
+ const uint32_t* glyphIDs,
+ uint32_t glyphIDsCount) {
SkASSERT(!"SkFontHost::GetAdvancedTypefaceMetrics unimplemented");
return NULL;
}
@@ -545,33 +547,33 @@
if (ATSFontGetTableDirectory(fontID, 0, NULL, &size)) {
return;
}
-
+
SkAutoMalloc storage(size);
SkSFNTHeader* header = reinterpret_cast<SkSFNTHeader*>(storage.get());
if (ATSFontGetTableDirectory(fontID, size, header, &size)) {
return;
}
-
+
fCount = SkEndian_SwapBE16(header->fNumTables);
fData = header;
storage.detach();
}
-
+
~SfntHeader() {
sk_free(fData);
}
-
+
int count() const { return fCount; }
const SkSFNTDirEntry* entries() const {
return reinterpret_cast<const SkSFNTDirEntry*>
(reinterpret_cast<char*>(fData) + sizeof(SkSFNTHeader));
}
-
+
private:
int fCount;
void* fData;
};
-
+
int SkFontHost::CountTables(SkFontID fontID) {
SfntHeader header(fontID, false);
return header.count();
@@ -609,4 +611,3 @@
}
return length;
}
-
diff --git a/src/ports/SkFontHost_mac_coretext.cpp b/src/ports/SkFontHost_mac_coretext.cpp
index 42d7ce2..5a5ad8f 100644
--- a/src/ports/SkFontHost_mac_coretext.cpp
+++ b/src/ports/SkFontHost_mac_coretext.cpp
@@ -129,13 +129,13 @@
CTFontDescriptorRef ctFontDesc;
CFStringRef cfFontName;
CTFontRef ctFont;
-
-
+
+
// Get the state we need
ctFontDesc = NULL;
ctFont = NULL;
ctFontTraits = 0;
-
+
if (theStyle & SkTypeface::kBold) {
ctFontTraits |= kCTFontBoldTrait;
}
@@ -143,27 +143,27 @@
if (theStyle & SkTypeface::kItalic) {
ctFontTraits |= kCTFontItalicTrait;
}
-
+
// Create the font info
cfFontName = CFStringCreateWithCString(NULL, familyName, kCFStringEncodingUTF8);
cfFontTraits = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &ctFontTraits);
cfAttributes = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
cfTraits = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
-
-
+
+
// Create the font
if (cfFontName != NULL && cfFontTraits != NULL && cfAttributes != NULL && cfTraits != NULL) {
CFDictionaryAddValue(cfTraits, kCTFontSymbolicTrait, cfFontTraits);
-
+
CFDictionaryAddValue(cfAttributes, kCTFontFamilyNameAttribute, cfFontName);
CFDictionaryAddValue(cfAttributes, kCTFontTraitsAttribute, cfTraits);
-
+
ctFontDesc = CTFontDescriptorCreateWithAttributes(cfAttributes);
if (ctFontDesc != NULL) {
ctFont = CTFontCreateWithFontDescriptor(ctFontDesc, 0, NULL);
}
}
-
+
CFSafeRelease(cfFontName);
CFSafeRelease(cfFontTraits);
CFSafeRelease(cfAttributes);
@@ -233,7 +233,7 @@
void* ctx) {
const SkTypeface_Mac* mface = reinterpret_cast<SkTypeface_Mac*>(face);
const NameStyleRec* rec = reinterpret_cast<const NameStyleRec*>(ctx);
-
+
return rec->fStyle == style && mface->fName.equals(rec->fName);
}
@@ -246,7 +246,7 @@
{ "serif", "Times" },
{ "monospace", "Courier" }
};
-
+
for (size_t i = 0; i < SK_ARRAY_COUNT(gPairs); i++) {
if (strcmp(name, gPairs[i].fFrom) == 0) {
return gPairs[i].fTo;
@@ -262,18 +262,18 @@
if (familyName) {
familyName = map_css_names(familyName);
}
-
+
// Clone an existing typeface
// TODO: only clone if style matches the familyFace's style...
if (familyName == NULL && familyFace != NULL) {
familyFace->ref();
return const_cast<SkTypeface*>(familyFace);
}
-
+
if (!familyName || !*familyName) {
familyName = FONT_DEFAULT_NAME;
}
-
+
NameStyleRec rec = { familyName, style };
SkTypeface* face = SkTypefaceCache::FindByProc(FindByNameStyle, &rec);
@@ -761,7 +761,9 @@
// static
SkAdvancedTypefaceMetrics* SkFontHost::GetAdvancedTypefaceMetrics(
uint32_t fontID,
- SkAdvancedTypefaceMetrics::PerGlyphInfo perGlyphInfo) {
+ SkAdvancedTypefaceMetrics::PerGlyphInfo perGlyphInfo,
+ const uint32_t* glyphIDs,
+ uint32_t glyphIDsCount) {
CTFontRef ctFont = GetFontRefFromFontID(fontID);
ctFont = CTFontCreateCopyWithAttributes(ctFont, CTFontGetUnitsPerEm(ctFont),
NULL, NULL);
@@ -771,11 +773,11 @@
// plus 1 byte for the trailing null.
int length = CFStringGetMaximumSizeForEncoding(CFStringGetLength(
fontName), kCFStringEncodingUTF8) + 1;
- info->fFontName.resize(length);
+ info->fFontName.resize(length);
CFStringGetCString(fontName, info->fFontName.writable_str(), length,
kCFStringEncodingUTF8);
// Resize to the actual UTF-8 length used, stripping the null character.
- info->fFontName.resize(strlen(info->fFontName.c_str()));
+ info->fFontName.resize(strlen(info->fFontName.c_str()));
info->fMultiMaster = false;
CFIndex glyphCount = CTFontGetGlyphCount(ctFont);
info->fLastGlyphID = SkToU16(glyphCount - 1);
@@ -824,7 +826,7 @@
CGGlyph glyphs[count];
CGRect boundingRects[count];
if (CTFontGetGlyphsForCharacters(ctFont, stem_chars, glyphs, count)) {
- CTFontGetBoundingRectsForGlyphs(ctFont, kCTFontHorizontalOrientation,
+ CTFontGetBoundingRectsForGlyphs(ctFont, kCTFontHorizontalOrientation,
glyphs, boundingRects, count);
for (size_t i = 0; i < count; i++) {
int16_t width = boundingRects[i].size.width;
@@ -847,7 +849,11 @@
SkAdvancedTypefaceMetrics::WidthRange::kDefault);
} else {
info->fGlyphWidths.reset(
- getAdvanceData(ctFont, glyphCount, &getWidthAdvance));
+ getAdvanceData(ctFont,
+ glyphCount,
+ glyphIDs,
+ glyphIDsCount,
+ &getWidthAdvance));
}
}
@@ -989,7 +995,7 @@
SkScalerContext::kAutohinting_Flag;
rec->fFlags &= ~flagsWeDontSupport;
-
+
// we only support 2 levels of hinting
SkPaint::Hinting h = rec->getHinting();
if (SkPaint::kSlight_Hinting == h) {
@@ -1115,7 +1121,3 @@
memcpy(data, CFDataGetBytePtr(cfData) + offset, length);
return(length);
}
-
-
-
-
diff --git a/src/ports/SkFontHost_win.cpp b/src/ports/SkFontHost_win.cpp
index f292bdd..4a091bc 100755
--- a/src/ports/SkFontHost_win.cpp
+++ b/src/ports/SkFontHost_win.cpp
@@ -743,7 +743,9 @@
// static
SkAdvancedTypefaceMetrics* SkFontHost::GetAdvancedTypefaceMetrics(
uint32_t fontID,
- SkAdvancedTypefaceMetrics::PerGlyphInfo perGlyphInfo) {
+ SkAdvancedTypefaceMetrics::PerGlyphInfo perGlyphInfo,
+ const uint32_t* glyphIDs,
+ uint32_t glyphIDsCount) {
LOGFONT lf;
GetLogFontByID(fontID, &lf);
SkAdvancedTypefaceMetrics* info = NULL;
@@ -863,7 +865,11 @@
SkAdvancedTypefaceMetrics::WidthRange::kDefault);
} else {
info->fGlyphWidths.reset(
- getAdvanceData(hdc, glyphCount, &getWidthAdvance));
+ getAdvanceData(hdc,
+ glyphCount,
+ glyphIDs,
+ glyphIDsCount,
+ &getWidthAdvance));
}
}