mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
bug 684889 pt2 - move and rename FontFamily/Entry classes from gfxFT2Fonts to gfxFT2FontList source file. r=jdaggett
This commit is contained in:
Jonathan Kew
parent
1f9c88fc75
commit
4661532843
@ -44,6 +44,13 @@
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#include "gfxUserFontSet.h"
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#include "nsTArray.h"
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namespace mozilla {
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namespace dom {
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class FontListEntry;
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};
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};
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using mozilla::dom::FontListEntry;
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typedef struct FT_LibraryRec_ *FT_Library;
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class THEBES_API gfxAndroidPlatform : public gfxPlatform {
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@ -39,23 +39,39 @@
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*
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* ***** END LICENSE BLOCK ***** */
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#ifdef ANDROID
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#if defined(MOZ_WIDGET_GTK2)
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#include "gfxPlatformGtk.h"
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#define gfxToolkitPlatform gfxPlatformGtk
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#elif defined(MOZ_WIDGET_QT)
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#include <qfontinfo.h>
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#include "gfxQtPlatform.h"
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#define gfxToolkitPlatform gfxQtPlatform
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#elif defined(XP_WIN)
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#include "gfxWindowsPlatform.h"
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#define gfxToolkitPlatform gfxWindowsPlatform
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#elif defined(ANDROID)
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#include "mozilla/dom/ContentChild.h"
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#include "nsXULAppAPI.h"
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#include "gfxAndroidPlatform.h"
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#define gfxToolkitPlatform gfxAndroidPlatform
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#endif
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#ifdef ANDROID
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#include "nsXULAppAPI.h"
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#include <dirent.h>
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#include <android/log.h>
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#define ALOG(args...) __android_log_print(ANDROID_LOG_INFO, "Gecko" , ## args)
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#endif
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#include "gfxFT2FontList.h"
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#include "gfxUserFontSet.h"
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#include "gfxFontUtils.h"
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#include "ft2build.h"
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#include FT_FREETYPE_H
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#include FT_TRUETYPE_TAGS_H
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#include FT_TRUETYPE_TABLES_H
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#include "cairo-ft.h"
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#include "gfxFT2FontList.h"
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#include "gfxFT2Fonts.h"
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#include "gfxUserFontSet.h"
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#include "gfxFontUtils.h"
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#include "nsServiceManagerUtils.h"
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#include "nsTArray.h"
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@ -78,6 +94,7 @@
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static PRLogModuleInfo *gFontInfoLog = PR_NewLogModule("fontInfoLog");
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#endif /* PR_LOGGING */
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#undef LOG
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#define LOG(args) PR_LOG(gFontInfoLog, PR_LOG_DEBUG, args)
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#define LOG_ENABLED() PR_LOG_TEST(gFontInfoLog, PR_LOG_DEBUG)
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@ -91,6 +108,318 @@ BuildKeyNameFromFontName(nsAString &aName)
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ToLowerCase(aName);
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}
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/*
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* FT2FontEntry
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* gfxFontEntry subclass corresponding to a specific face that can be
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* rendered by freetype. This is associated with a face index in a
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* file (normally a .ttf/.otf file holding a single face, but in principle
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* there could be .ttc files with multiple faces).
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* The FT2FontEntry can create the necessary FT_Face on demand, and can
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* then create a Cairo font_face and scaled_font for drawing.
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*/
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cairo_scaled_font_t *
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FT2FontEntry::CreateScaledFont(const gfxFontStyle *aStyle)
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{
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cairo_scaled_font_t *scaledFont = NULL;
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cairo_matrix_t sizeMatrix;
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cairo_matrix_t identityMatrix;
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// XXX deal with adjusted size
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cairo_matrix_init_scale(&sizeMatrix, aStyle->size, aStyle->size);
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cairo_matrix_init_identity(&identityMatrix);
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// synthetic oblique by skewing via the font matrix
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PRBool needsOblique = !IsItalic() &&
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(aStyle->style & (FONT_STYLE_ITALIC | FONT_STYLE_OBLIQUE));
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if (needsOblique) {
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const double kSkewFactor = 0.25;
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cairo_matrix_t style;
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cairo_matrix_init(&style,
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1, //xx
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0, //yx
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-1 * kSkewFactor, //xy
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1, //yy
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0, //x0
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0); //y0
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cairo_matrix_multiply(&sizeMatrix, &sizeMatrix, &style);
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}
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cairo_font_options_t *fontOptions = cairo_font_options_create();
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#ifdef MOZ_GFX_OPTIMIZE_MOBILE
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cairo_font_options_set_hint_metrics(fontOptions, CAIRO_HINT_METRICS_OFF);
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#endif
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scaledFont = cairo_scaled_font_create(CairoFontFace(),
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&sizeMatrix,
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&identityMatrix, fontOptions);
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cairo_font_options_destroy(fontOptions);
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NS_ASSERTION(cairo_scaled_font_status(scaledFont) == CAIRO_STATUS_SUCCESS,
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"Failed to make scaled font");
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return scaledFont;
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}
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FT2FontEntry::~FT2FontEntry()
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{
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// Do nothing for mFTFace here since FTFontDestroyFunc is called by cairo.
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mFTFace = nsnull;
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#ifndef ANDROID
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if (mFontFace) {
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cairo_font_face_destroy(mFontFace);
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mFontFace = nsnull;
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}
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#endif
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}
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gfxFont*
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FT2FontEntry::CreateFontInstance(const gfxFontStyle *aFontStyle, PRBool aNeedsBold)
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{
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cairo_scaled_font_t *scaledFont = CreateScaledFont(aFontStyle);
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gfxFont *font = new gfxFT2Font(scaledFont, this, aFontStyle, aNeedsBold);
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cairo_scaled_font_destroy(scaledFont);
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return font;
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}
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/* static */
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FT2FontEntry*
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FT2FontEntry::CreateFontEntry(const gfxProxyFontEntry &aProxyEntry,
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const PRUint8 *aFontData,
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PRUint32 aLength)
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{
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// Ownership of aFontData is passed in here; the fontEntry must
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// retain it as long as the FT_Face needs it, and ensure it is
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// eventually deleted.
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FT_Face face;
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FT_Error error =
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FT_New_Memory_Face(gfxToolkitPlatform::GetPlatform()->GetFTLibrary(),
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aFontData, aLength, 0, &face);
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if (error != FT_Err_Ok) {
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NS_Free((void*)aFontData);
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return nsnull;
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}
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FT2FontEntry* fe = FT2FontEntry::CreateFontEntry(face, nsnull, 0, aFontData);
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if (fe) {
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fe->mItalic = aProxyEntry.mItalic;
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fe->mWeight = aProxyEntry.mWeight;
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fe->mStretch = aProxyEntry.mStretch;
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}
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return fe;
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}
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class FTUserFontData {
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public:
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FTUserFontData(FT_Face aFace, const PRUint8* aData)
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: mFace(aFace), mFontData(aData)
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{
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}
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~FTUserFontData()
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{
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FT_Done_Face(mFace);
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if (mFontData) {
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NS_Free((void*)mFontData);
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}
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}
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private:
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FT_Face mFace;
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const PRUint8 *mFontData;
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};
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static void
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FTFontDestroyFunc(void *data)
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{
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FTUserFontData *userFontData = static_cast<FTUserFontData*>(data);
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delete userFontData;
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}
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/* static */
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FT2FontEntry*
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FT2FontEntry::CreateFontEntry(const FontListEntry& aFLE)
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{
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FT2FontEntry *fe = new FT2FontEntry(aFLE.faceName());
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fe->mFilename = aFLE.filepath();
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fe->mFTFontIndex = aFLE.index();
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fe->mWeight = aFLE.weight();
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fe->mStretch = aFLE.stretch();
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fe->mItalic = aFLE.italic();
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return fe;
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}
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/* static */
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FT2FontEntry*
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FT2FontEntry::CreateFontEntry(FT_Face aFace,
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const char* aFilename, PRUint8 aIndex,
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const PRUint8 *aFontData)
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{
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static cairo_user_data_key_t key;
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if (!aFace->family_name) {
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FT_Done_Face(aFace);
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return nsnull;
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}
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// Construct font name from family name and style name, regular fonts
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// do not have the modifier by convention.
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NS_ConvertUTF8toUTF16 fontName(aFace->family_name);
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if (aFace->style_name && strcmp("Regular", aFace->style_name)) {
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fontName.AppendLiteral(" ");
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AppendUTF8toUTF16(aFace->style_name, fontName);
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}
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FT2FontEntry *fe = new FT2FontEntry(fontName);
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fe->mItalic = aFace->style_flags & FT_STYLE_FLAG_ITALIC;
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fe->mFTFace = aFace;
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#ifdef MOZ_GFX_OPTIMIZE_MOBILE
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fe->mFontFace = cairo_ft_font_face_create_for_ft_face(aFace, FT_LOAD_NO_AUTOHINT | FT_LOAD_NO_HINTING);
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#else
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fe->mFontFace = cairo_ft_font_face_create_for_ft_face(aFace, 0);
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#endif
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fe->mFilename = aFilename;
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fe->mFTFontIndex = aIndex;
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FTUserFontData *userFontData = new FTUserFontData(aFace, aFontData);
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cairo_font_face_set_user_data(fe->mFontFace, &key,
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userFontData, FTFontDestroyFunc);
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TT_OS2 *os2 = static_cast<TT_OS2*>(FT_Get_Sfnt_Table(aFace, ft_sfnt_os2));
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PRUint16 os2weight = 0;
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if (os2 && os2->version != 0xffff) {
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// Technically, only 100 to 900 are valid, but some fonts
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// have this set wrong -- e.g. "Microsoft Logo Bold Italic" has
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// it set to 6 instead of 600. We try to be nice and handle that
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// as well.
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if (os2->usWeightClass >= 100 && os2->usWeightClass <= 900)
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os2weight = os2->usWeightClass;
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else if (os2->usWeightClass >= 1 && os2->usWeightClass <= 9)
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os2weight = os2->usWeightClass * 100;
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}
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if (os2weight != 0)
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fe->mWeight = os2weight;
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else if (aFace->style_flags & FT_STYLE_FLAG_BOLD)
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fe->mWeight = 700;
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else
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fe->mWeight = 400;
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NS_ASSERTION(fe->mWeight >= 100 && fe->mWeight <= 900, "Invalid final weight in font!");
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return fe;
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}
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FT2FontEntry*
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gfxFT2Font::GetFontEntry()
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{
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return static_cast<FT2FontEntry*> (mFontEntry.get());
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}
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cairo_font_face_t *
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FT2FontEntry::CairoFontFace()
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{
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static cairo_user_data_key_t key;
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if (!mFontFace) {
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FT_Face face;
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FT_New_Face(gfxToolkitPlatform::GetPlatform()->GetFTLibrary(), mFilename.get(), mFTFontIndex, &face);
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mFTFace = face;
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#ifdef MOZ_GFX_OPTIMIZE_MOBILE
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mFontFace = cairo_ft_font_face_create_for_ft_face(face, FT_LOAD_NO_AUTOHINT | FT_LOAD_NO_HINTING);
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#else
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mFontFace = cairo_ft_font_face_create_for_ft_face(face, 0);
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#endif
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FTUserFontData *userFontData = new FTUserFontData(face, nsnull);
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cairo_font_face_set_user_data(mFontFace, &key,
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userFontData, FTFontDestroyFunc);
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}
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return mFontFace;
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}
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nsresult
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FT2FontEntry::ReadCMAP()
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{
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if (mCmapInitialized) {
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return NS_OK;
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}
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// attempt this once, if errors occur leave a blank cmap
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mCmapInitialized = PR_TRUE;
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AutoFallibleTArray<PRUint8,16384> buffer;
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nsresult rv = GetFontTable(TTAG_cmap, buffer);
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if (NS_SUCCEEDED(rv)) {
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PRPackedBool unicodeFont;
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PRPackedBool symbolFont;
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rv = gfxFontUtils::ReadCMAP(buffer.Elements(), buffer.Length(),
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mCharacterMap, mUVSOffset,
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unicodeFont, symbolFont);
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}
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mHasCmapTable = NS_SUCCEEDED(rv);
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return rv;
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}
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nsresult
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FT2FontEntry::GetFontTable(PRUint32 aTableTag,
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FallibleTArray<PRUint8>& aBuffer)
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{
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// Ensure existence of mFTFace
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CairoFontFace();
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NS_ENSURE_TRUE(mFTFace, NS_ERROR_FAILURE);
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FT_Error status;
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FT_ULong len = 0;
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status = FT_Load_Sfnt_Table(mFTFace, aTableTag, 0, nsnull, &len);
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NS_ENSURE_TRUE(status == 0, NS_ERROR_FAILURE);
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NS_ENSURE_TRUE(len != 0, NS_ERROR_FAILURE);
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if (!aBuffer.SetLength(len)) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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PRUint8 *buf = aBuffer.Elements();
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status = FT_Load_Sfnt_Table(mFTFace, aTableTag, 0, buf, &len);
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NS_ENSURE_TRUE(status == 0, NS_ERROR_FAILURE);
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return NS_OK;
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}
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/*
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* FT2FontFamily
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* A standard gfxFontFamily; just adds a method used to support sending
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* the font list from chrome to content via IPC.
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*/
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void
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FT2FontFamily::AddFacesToFontList(InfallibleTArray<FontListEntry>* aFontList)
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{
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for (int i = 0, n = mAvailableFonts.Length(); i < n; ++i) {
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const FT2FontEntry *fe =
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static_cast<const FT2FontEntry*>(mAvailableFonts[i].get());
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if (!fe) {
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continue;
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}
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aFontList->AppendElement(FontListEntry(Name(), fe->Name(),
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fe->mFilename,
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fe->Weight(), fe->Stretch(),
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fe->IsItalic(),
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fe->mFTFontIndex));
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}
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}
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/*
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* Startup cache support for the font list:
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* We store the list of families and faces, with their style attributes and the
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* corresponding font files, in the startup cache.
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* This allows us to recreate the gfxFT2FontList collection of families and
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* faces without instantiating Freetype faces for each font file (in order to
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* find their attributes), leading to significantly quicker startup.
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*/
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#define CACHE_KEY "font.cached-list"
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class FontNameCache {
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@ -309,11 +638,6 @@ private:
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// For Mobile, we use gfxFT2Fonts, and we build the font list by directly
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// scanning the system's Fonts directory for OpenType and TrueType files.
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//
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// FontEntry is currently defined in gfxFT2Fonts.h, but should probably be
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// moved here for consistency with other platform implementations, and
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// because it logically "belongs" to the fontlist that manages the families
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// and entries.
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gfxFT2FontList::gfxFT2FontList()
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{
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@ -368,7 +692,7 @@ gfxFT2FontList::AppendFacesFromCachedFaceList(nsCString& aFileName,
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static void
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AppendToFaceList(nsCString& aFaceList,
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nsAString& aFamilyName, FontEntry* aFontEntry)
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nsAString& aFamilyName, FT2FontEntry* aFontEntry)
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{
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aFaceList.Append(NS_ConvertUTF16toUTF8(aFamilyName));
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aFaceList.Append(',');
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@ -422,13 +746,14 @@ gfxFT2FontList::AppendFacesFromFontFile(nsCString& aFileName,
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continue;
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}
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FontEntry* fe = FontEntry::CreateFontEntry(face, aFileName.get(), i);
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FT2FontEntry* fe =
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FT2FontEntry::CreateFontEntry(face, aFileName.get(), i);
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if (fe) {
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NS_ConvertUTF8toUTF16 name(face->family_name);
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BuildKeyNameFromFontName(name);
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gfxFontFamily *family = mFontFamilies.GetWeak(name);
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if (!family) {
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family = new gfxFontFamily(name);
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family = new FT2FontFamily(name);
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mFontFamilies.Put(name, family);
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if (mBadUnderlineFamilyNames.Contains(name)) {
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family->SetBadUnderlineFamily();
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@ -632,13 +957,13 @@ void
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gfxFT2FontList::AppendFaceFromFontListEntry(const FontListEntry& aFLE,
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PRBool aStdFile)
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{
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FontEntry* fe = FontEntry::CreateFontEntry(aFLE);
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FT2FontEntry* fe = FT2FontEntry::CreateFontEntry(aFLE);
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if (fe) {
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fe->mStandardFace = aStdFile;
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nsAutoString name(aFLE.familyName());
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gfxFontFamily *family = mFontFamilies.GetWeak(name);
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if (!family) {
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family = new gfxFontFamily(name);
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family = new FT2FontFamily(name);
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mFontFamilies.Put(name, family);
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if (mBadUnderlineFamilyNames.Contains(name)) {
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family->SetBadUnderlineFamily();
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@ -659,7 +984,7 @@ AddFamilyToFontList(nsStringHashKey::KeyType aKey,
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InfallibleTArray<FontListEntry>* fontlist =
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reinterpret_cast<InfallibleTArray<FontListEntry>*>(aUserArg);
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FontFamily *family = static_cast<FontFamily*>(aFamily.get());
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FT2FontFamily *family = static_cast<FT2FontFamily*>(aFamily.get());
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family->AddFacesToFontList(fontlist);
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return PL_DHASH_NEXT;
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@ -762,5 +1087,6 @@ gfxFT2FontList::MakePlatformFont(const gfxProxyFontEntry *aProxyEntry,
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// The FT2 font needs the font data to persist, so we do NOT free it here
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// but instead pass ownership to the font entry.
|
||||
// Deallocation will happen later, when the font face is destroyed.
|
||||
return FontEntry::CreateFontEntry(*aProxyEntry, aFontData, aLength);
|
||||
return FT2FontEntry::CreateFontEntry(*aProxyEntry, aFontData, aLength);
|
||||
}
|
||||
|
||||
|
||||
@ -55,6 +55,69 @@ namespace mozilla {
|
||||
using mozilla::dom::FontListEntry;
|
||||
|
||||
class FontNameCache;
|
||||
typedef struct FT_FaceRec_* FT_Face;
|
||||
|
||||
class FT2FontEntry : public gfxFontEntry
|
||||
{
|
||||
public:
|
||||
FT2FontEntry(const nsAString& aFaceName) :
|
||||
gfxFontEntry(aFaceName)
|
||||
{
|
||||
mFTFace = nsnull;
|
||||
mFontFace = nsnull;
|
||||
mFTFontIndex = 0;
|
||||
}
|
||||
|
||||
~FT2FontEntry();
|
||||
|
||||
const nsString& GetName() const {
|
||||
return Name();
|
||||
}
|
||||
|
||||
// create a font entry for a downloaded font
|
||||
static FT2FontEntry*
|
||||
CreateFontEntry(const gfxProxyFontEntry &aProxyEntry,
|
||||
const PRUint8 *aFontData, PRUint32 aLength);
|
||||
|
||||
// create a font entry representing an installed font, identified by
|
||||
// a FontListEntry; the freetype and cairo faces will not be instantiated
|
||||
// until actually needed
|
||||
static FT2FontEntry*
|
||||
CreateFontEntry(const FontListEntry& aFLE);
|
||||
|
||||
// create a font entry for a given freetype face; if it is an installed font,
|
||||
// also record the filename and index
|
||||
static FT2FontEntry*
|
||||
CreateFontEntry(FT_Face aFace, const char *aFilename, PRUint8 aIndex,
|
||||
const PRUint8 *aFontData = nsnull);
|
||||
// aFontData is NS_Malloc'ed data that aFace depends on, to be freed
|
||||
// after the face is destroyed; null if there is no such buffer
|
||||
|
||||
virtual gfxFont *CreateFontInstance(const gfxFontStyle *aFontStyle,
|
||||
PRBool aNeedsBold);
|
||||
|
||||
cairo_font_face_t *CairoFontFace();
|
||||
cairo_scaled_font_t *CreateScaledFont(const gfxFontStyle *aStyle);
|
||||
|
||||
nsresult ReadCMAP();
|
||||
nsresult GetFontTable(PRUint32 aTableTag, FallibleTArray<PRUint8>& aBuffer);
|
||||
|
||||
FT_Face mFTFace;
|
||||
cairo_font_face_t *mFontFace;
|
||||
|
||||
nsCString mFilename;
|
||||
PRUint8 mFTFontIndex;
|
||||
};
|
||||
|
||||
class FT2FontFamily : public gfxFontFamily
|
||||
{
|
||||
public:
|
||||
FT2FontFamily(const nsAString& aName) :
|
||||
gfxFontFamily(aName) { }
|
||||
|
||||
// Append this family's faces to the IPC fontlist
|
||||
void AddFacesToFontList(InfallibleTArray<FontListEntry>* aFontList);
|
||||
};
|
||||
|
||||
class gfxFT2FontList : public gfxPlatformFontList
|
||||
{
|
||||
|
||||
@ -45,7 +45,6 @@
|
||||
#include "gfxWindowsPlatform.h"
|
||||
#define gfxToolkitPlatform gfxWindowsPlatform
|
||||
#elif defined(ANDROID)
|
||||
#include "mozilla/dom/ContentChild.h"
|
||||
#include "gfxAndroidPlatform.h"
|
||||
#define gfxToolkitPlatform gfxAndroidPlatform
|
||||
#endif
|
||||
@ -56,10 +55,6 @@
|
||||
#include "gfxFT2Utils.h"
|
||||
#include "gfxFT2FontList.h"
|
||||
#include <locale.h>
|
||||
#include "cairo-ft.h"
|
||||
#include FT_TRUETYPE_TAGS_H
|
||||
#include FT_TRUETYPE_TABLES_H
|
||||
#include "gfxFontUtils.h"
|
||||
#include "gfxHarfBuzzShaper.h"
|
||||
#include "gfxUnicodeProperties.h"
|
||||
#include "gfxAtoms.h"
|
||||
@ -82,302 +77,6 @@ static PRLogModuleInfo *gFontLog = PR_NewLogModule("ft2fonts");
|
||||
#define CONVERT_DESIGN_UNITS_TO_PIXELS(v, s) \
|
||||
MOZ_FT_TRUNC(MOZ_FT_ROUND(FT_MulFix((v) , (s))))
|
||||
|
||||
static cairo_scaled_font_t *
|
||||
CreateScaledFont(FontEntry *aFontEntry, const gfxFontStyle *aStyle)
|
||||
{
|
||||
cairo_scaled_font_t *scaledFont = NULL;
|
||||
|
||||
cairo_matrix_t sizeMatrix;
|
||||
cairo_matrix_t identityMatrix;
|
||||
|
||||
// XXX deal with adjusted size
|
||||
cairo_matrix_init_scale(&sizeMatrix, aStyle->size, aStyle->size);
|
||||
cairo_matrix_init_identity(&identityMatrix);
|
||||
|
||||
// synthetic oblique by skewing via the font matrix
|
||||
PRBool needsOblique =
|
||||
!aFontEntry->mItalic &&
|
||||
(aStyle->style & (FONT_STYLE_ITALIC | FONT_STYLE_OBLIQUE));
|
||||
|
||||
if (needsOblique) {
|
||||
const double kSkewFactor = 0.25;
|
||||
|
||||
cairo_matrix_t style;
|
||||
cairo_matrix_init(&style,
|
||||
1, //xx
|
||||
0, //yx
|
||||
-1 * kSkewFactor, //xy
|
||||
1, //yy
|
||||
0, //x0
|
||||
0); //y0
|
||||
cairo_matrix_multiply(&sizeMatrix, &sizeMatrix, &style);
|
||||
}
|
||||
|
||||
cairo_font_options_t *fontOptions = cairo_font_options_create();
|
||||
|
||||
#ifdef MOZ_GFX_OPTIMIZE_MOBILE
|
||||
cairo_font_options_set_hint_metrics(fontOptions, CAIRO_HINT_METRICS_OFF);
|
||||
#endif
|
||||
|
||||
scaledFont = cairo_scaled_font_create(aFontEntry->CairoFontFace(),
|
||||
&sizeMatrix,
|
||||
&identityMatrix, fontOptions);
|
||||
cairo_font_options_destroy(fontOptions);
|
||||
|
||||
NS_ASSERTION(cairo_scaled_font_status(scaledFont) == CAIRO_STATUS_SUCCESS,
|
||||
"Failed to make scaled font");
|
||||
|
||||
return scaledFont;
|
||||
}
|
||||
|
||||
/**
|
||||
* FontEntry
|
||||
*/
|
||||
|
||||
FontEntry::~FontEntry()
|
||||
{
|
||||
// Do nothing for mFTFace here since FTFontDestroyFunc is called by cairo.
|
||||
mFTFace = nsnull;
|
||||
|
||||
#ifndef ANDROID
|
||||
if (mFontFace) {
|
||||
cairo_font_face_destroy(mFontFace);
|
||||
mFontFace = nsnull;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
gfxFont*
|
||||
FontEntry::CreateFontInstance(const gfxFontStyle *aFontStyle, PRBool aNeedsBold)
|
||||
{
|
||||
cairo_scaled_font_t *scaledFont = CreateScaledFont(this, aFontStyle);
|
||||
gfxFont *font = new gfxFT2Font(scaledFont, this, aFontStyle, aNeedsBold);
|
||||
cairo_scaled_font_destroy(scaledFont);
|
||||
return font;
|
||||
}
|
||||
|
||||
/* static */
|
||||
FontEntry*
|
||||
FontEntry::CreateFontEntry(const gfxProxyFontEntry &aProxyEntry,
|
||||
const PRUint8 *aFontData,
|
||||
PRUint32 aLength)
|
||||
{
|
||||
// Ownership of aFontData is passed in here; the fontEntry must
|
||||
// retain it as long as the FT_Face needs it, and ensure it is
|
||||
// eventually deleted.
|
||||
FT_Face face;
|
||||
FT_Error error =
|
||||
FT_New_Memory_Face(gfxToolkitPlatform::GetPlatform()->GetFTLibrary(),
|
||||
aFontData, aLength, 0, &face);
|
||||
if (error != FT_Err_Ok) {
|
||||
NS_Free((void*)aFontData);
|
||||
return nsnull;
|
||||
}
|
||||
FontEntry* fe = FontEntry::CreateFontEntry(face, nsnull, 0, aFontData);
|
||||
if (fe) {
|
||||
fe->mItalic = aProxyEntry.mItalic;
|
||||
fe->mWeight = aProxyEntry.mWeight;
|
||||
fe->mStretch = aProxyEntry.mStretch;
|
||||
}
|
||||
return fe;
|
||||
}
|
||||
|
||||
class FTUserFontData {
|
||||
public:
|
||||
FTUserFontData(FT_Face aFace, const PRUint8* aData)
|
||||
: mFace(aFace), mFontData(aData)
|
||||
{
|
||||
}
|
||||
|
||||
~FTUserFontData()
|
||||
{
|
||||
FT_Done_Face(mFace);
|
||||
if (mFontData) {
|
||||
NS_Free((void*)mFontData);
|
||||
}
|
||||
}
|
||||
|
||||
private:
|
||||
FT_Face mFace;
|
||||
const PRUint8 *mFontData;
|
||||
};
|
||||
|
||||
static void
|
||||
FTFontDestroyFunc(void *data)
|
||||
{
|
||||
FTUserFontData *userFontData = static_cast<FTUserFontData*>(data);
|
||||
delete userFontData;
|
||||
}
|
||||
|
||||
/* static */ FontEntry*
|
||||
FontEntry::CreateFontEntry(const FontListEntry& aFLE)
|
||||
{
|
||||
FontEntry *fe = new FontEntry(aFLE.faceName());
|
||||
fe->mFilename = aFLE.filepath();
|
||||
fe->mFTFontIndex = aFLE.index();
|
||||
fe->mWeight = aFLE.weight();
|
||||
fe->mStretch = aFLE.stretch();
|
||||
fe->mItalic = aFLE.italic();
|
||||
return fe;
|
||||
}
|
||||
|
||||
/* static */ FontEntry*
|
||||
FontEntry::CreateFontEntry(FT_Face aFace,
|
||||
const char* aFilename, PRUint8 aIndex,
|
||||
const PRUint8 *aFontData)
|
||||
{
|
||||
static cairo_user_data_key_t key;
|
||||
|
||||
if (!aFace->family_name) {
|
||||
FT_Done_Face(aFace);
|
||||
return nsnull;
|
||||
}
|
||||
// Construct font name from family name and style name, regular fonts
|
||||
// do not have the modifier by convention.
|
||||
NS_ConvertUTF8toUTF16 fontName(aFace->family_name);
|
||||
if (aFace->style_name && strcmp("Regular", aFace->style_name)) {
|
||||
fontName.AppendLiteral(" ");
|
||||
AppendUTF8toUTF16(aFace->style_name, fontName);
|
||||
}
|
||||
FontEntry *fe = new FontEntry(fontName);
|
||||
fe->mItalic = aFace->style_flags & FT_STYLE_FLAG_ITALIC;
|
||||
fe->mFTFace = aFace;
|
||||
#ifdef MOZ_GFX_OPTIMIZE_MOBILE
|
||||
fe->mFontFace = cairo_ft_font_face_create_for_ft_face(aFace, FT_LOAD_NO_AUTOHINT | FT_LOAD_NO_HINTING);
|
||||
#else
|
||||
fe->mFontFace = cairo_ft_font_face_create_for_ft_face(aFace, 0);
|
||||
#endif
|
||||
fe->mFilename = aFilename;
|
||||
fe->mFTFontIndex = aIndex;
|
||||
FTUserFontData *userFontData = new FTUserFontData(aFace, aFontData);
|
||||
cairo_font_face_set_user_data(fe->mFontFace, &key,
|
||||
userFontData, FTFontDestroyFunc);
|
||||
|
||||
TT_OS2 *os2 = static_cast<TT_OS2*>(FT_Get_Sfnt_Table(aFace, ft_sfnt_os2));
|
||||
PRUint16 os2weight = 0;
|
||||
if (os2 && os2->version != 0xffff) {
|
||||
// Technically, only 100 to 900 are valid, but some fonts
|
||||
// have this set wrong -- e.g. "Microsoft Logo Bold Italic" has
|
||||
// it set to 6 instead of 600. We try to be nice and handle that
|
||||
// as well.
|
||||
if (os2->usWeightClass >= 100 && os2->usWeightClass <= 900)
|
||||
os2weight = os2->usWeightClass;
|
||||
else if (os2->usWeightClass >= 1 && os2->usWeightClass <= 9)
|
||||
os2weight = os2->usWeightClass * 100;
|
||||
}
|
||||
|
||||
if (os2weight != 0)
|
||||
fe->mWeight = os2weight;
|
||||
else if (aFace->style_flags & FT_STYLE_FLAG_BOLD)
|
||||
fe->mWeight = 700;
|
||||
else
|
||||
fe->mWeight = 400;
|
||||
|
||||
NS_ASSERTION(fe->mWeight >= 100 && fe->mWeight <= 900, "Invalid final weight in font!");
|
||||
|
||||
return fe;
|
||||
}
|
||||
|
||||
FontEntry*
|
||||
gfxFT2Font::GetFontEntry()
|
||||
{
|
||||
return static_cast<FontEntry*> (mFontEntry.get());
|
||||
}
|
||||
|
||||
cairo_font_face_t *
|
||||
FontEntry::CairoFontFace()
|
||||
{
|
||||
static cairo_user_data_key_t key;
|
||||
|
||||
if (!mFontFace) {
|
||||
FT_Face face;
|
||||
FT_New_Face(gfxToolkitPlatform::GetPlatform()->GetFTLibrary(), mFilename.get(), mFTFontIndex, &face);
|
||||
mFTFace = face;
|
||||
#ifdef MOZ_GFX_OPTIMIZE_MOBILE
|
||||
mFontFace = cairo_ft_font_face_create_for_ft_face(face, FT_LOAD_NO_AUTOHINT | FT_LOAD_NO_HINTING);
|
||||
#else
|
||||
mFontFace = cairo_ft_font_face_create_for_ft_face(face, 0);
|
||||
#endif
|
||||
FTUserFontData *userFontData = new FTUserFontData(face, nsnull);
|
||||
cairo_font_face_set_user_data(mFontFace, &key,
|
||||
userFontData, FTFontDestroyFunc);
|
||||
}
|
||||
return mFontFace;
|
||||
}
|
||||
|
||||
nsresult
|
||||
FontEntry::ReadCMAP()
|
||||
{
|
||||
if (mCmapInitialized) {
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
// attempt this once, if errors occur leave a blank cmap
|
||||
mCmapInitialized = PR_TRUE;
|
||||
|
||||
AutoFallibleTArray<PRUint8,16384> buffer;
|
||||
nsresult rv = GetFontTable(TTAG_cmap, buffer);
|
||||
|
||||
if (NS_SUCCEEDED(rv)) {
|
||||
PRPackedBool unicodeFont;
|
||||
PRPackedBool symbolFont;
|
||||
rv = gfxFontUtils::ReadCMAP(buffer.Elements(), buffer.Length(),
|
||||
mCharacterMap, mUVSOffset,
|
||||
unicodeFont, symbolFont);
|
||||
}
|
||||
|
||||
mHasCmapTable = NS_SUCCEEDED(rv);
|
||||
return rv;
|
||||
}
|
||||
|
||||
nsresult
|
||||
FontEntry::GetFontTable(PRUint32 aTableTag, FallibleTArray<PRUint8>& aBuffer)
|
||||
{
|
||||
// Ensure existence of mFTFace
|
||||
CairoFontFace();
|
||||
NS_ENSURE_TRUE(mFTFace, NS_ERROR_FAILURE);
|
||||
|
||||
FT_Error status;
|
||||
FT_ULong len = 0;
|
||||
status = FT_Load_Sfnt_Table(mFTFace, aTableTag, 0, nsnull, &len);
|
||||
NS_ENSURE_TRUE(status == 0, NS_ERROR_FAILURE);
|
||||
NS_ENSURE_TRUE(len != 0, NS_ERROR_FAILURE);
|
||||
|
||||
if (!aBuffer.SetLength(len)) {
|
||||
return NS_ERROR_OUT_OF_MEMORY;
|
||||
}
|
||||
PRUint8 *buf = aBuffer.Elements();
|
||||
status = FT_Load_Sfnt_Table(mFTFace, aTableTag, 0, buf, &len);
|
||||
NS_ENSURE_TRUE(status == 0, NS_ERROR_FAILURE);
|
||||
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
FontEntry *
|
||||
FontFamily::FindFontEntry(const gfxFontStyle& aFontStyle)
|
||||
{
|
||||
PRBool needsBold = PR_FALSE;
|
||||
return static_cast<FontEntry*>(FindFontForStyle(aFontStyle, needsBold));
|
||||
}
|
||||
|
||||
void
|
||||
FontFamily::AddFacesToFontList(InfallibleTArray<FontListEntry>* aFontList)
|
||||
{
|
||||
for (int i = 0, n = mAvailableFonts.Length(); i < n; ++i) {
|
||||
const FontEntry *fe =
|
||||
static_cast<const FontEntry*>(mAvailableFonts[i].get());
|
||||
if (!fe) {
|
||||
continue;
|
||||
}
|
||||
|
||||
aFontList->AppendElement(FontListEntry(Name(), fe->Name(),
|
||||
fe->mFilename,
|
||||
fe->Weight(), fe->Stretch(),
|
||||
fe->IsItalic(),
|
||||
fe->mFTFontIndex));
|
||||
}
|
||||
}
|
||||
|
||||
#ifndef ANDROID // not needed on Android, we use the generic gfxFontGroup
|
||||
/**
|
||||
* gfxFT2FontGroup
|
||||
@ -852,7 +551,7 @@ gfxFT2Font::AddRange(gfxTextRun *aTextRun, const PRUnichar *str, PRUint32 offset
|
||||
}
|
||||
|
||||
gfxFT2Font::gfxFT2Font(cairo_scaled_font_t *aCairoFont,
|
||||
FontEntry *aFontEntry,
|
||||
FT2FontEntry *aFontEntry,
|
||||
const gfxFontStyle *aFontStyle,
|
||||
PRBool aNeedsBold)
|
||||
: gfxFT2FontBase(aCairoFont, aFontEntry, aFontStyle)
|
||||
@ -882,11 +581,11 @@ gfxFT2Font::GetOrMakeFont(const nsAString& aName, const gfxFontStyle *aStyle,
|
||||
PRBool aNeedsBold)
|
||||
{
|
||||
#ifdef ANDROID
|
||||
FontEntry *fe = static_cast<FontEntry*>
|
||||
FT2FontEntry *fe = static_cast<FT2FontEntry*>
|
||||
(gfxPlatformFontList::PlatformFontList()->
|
||||
FindFontForFamily(aName, aStyle, aNeedsBold));
|
||||
#else
|
||||
FontEntry *fe = static_cast<FontEntry*>
|
||||
FT2FontEntry *fe = static_cast<FT2FontEntry*>
|
||||
(gfxToolkitPlatform::GetPlatform()->FindFontEntry(aName, *aStyle));
|
||||
#endif
|
||||
if (!fe) {
|
||||
@ -899,11 +598,12 @@ gfxFT2Font::GetOrMakeFont(const nsAString& aName, const gfxFontStyle *aStyle,
|
||||
}
|
||||
|
||||
already_AddRefed<gfxFT2Font>
|
||||
gfxFT2Font::GetOrMakeFont(FontEntry *aFontEntry, const gfxFontStyle *aStyle, PRBool aNeedsBold)
|
||||
gfxFT2Font::GetOrMakeFont(FT2FontEntry *aFontEntry, const gfxFontStyle *aStyle,
|
||||
PRBool aNeedsBold)
|
||||
{
|
||||
nsRefPtr<gfxFont> font = gfxFontCache::GetCache()->Lookup(aFontEntry, aStyle);
|
||||
if (!font) {
|
||||
cairo_scaled_font_t *scaledFont = CreateScaledFont(aFontEntry, aStyle);
|
||||
cairo_scaled_font_t *scaledFont = aFontEntry->CreateScaledFont(aStyle);
|
||||
font = new gfxFT2Font(scaledFont, aFontEntry, aStyle, aNeedsBold);
|
||||
cairo_scaled_font_destroy(scaledFont);
|
||||
if (!font)
|
||||
|
||||
@ -47,102 +47,26 @@
|
||||
#include "gfxFontUtils.h"
|
||||
#include "gfxUserFontSet.h"
|
||||
|
||||
namespace mozilla {
|
||||
namespace dom {
|
||||
class FontListEntry;
|
||||
};
|
||||
};
|
||||
using mozilla::dom::FontListEntry;
|
||||
|
||||
typedef struct FT_FaceRec_* FT_Face;
|
||||
|
||||
/**
|
||||
* FontFamily is a class that describes one of the fonts on the users system. It holds
|
||||
* each FontEntry (maps more directly to a font face) which holds font type, charset info
|
||||
* and character map info.
|
||||
*/
|
||||
class FontEntry;
|
||||
class FontFamily : public gfxFontFamily
|
||||
{
|
||||
public:
|
||||
FontFamily(const nsAString& aName) :
|
||||
gfxFontFamily(aName) { }
|
||||
|
||||
FontEntry *FindFontEntry(const gfxFontStyle& aFontStyle);
|
||||
|
||||
// Append this family's faces to the IPC fontlist
|
||||
void AddFacesToFontList(InfallibleTArray<FontListEntry>* aFontList);
|
||||
};
|
||||
|
||||
class FontEntry : public gfxFontEntry
|
||||
{
|
||||
public:
|
||||
FontEntry(const nsAString& aFaceName) :
|
||||
gfxFontEntry(aFaceName)
|
||||
{
|
||||
mFTFace = nsnull;
|
||||
mFontFace = nsnull;
|
||||
mFTFontIndex = 0;
|
||||
}
|
||||
|
||||
~FontEntry();
|
||||
|
||||
const nsString& GetName() const {
|
||||
return Name();
|
||||
}
|
||||
|
||||
// create a font entry for a downloaded font
|
||||
static FontEntry*
|
||||
CreateFontEntry(const gfxProxyFontEntry &aProxyEntry,
|
||||
const PRUint8 *aFontData, PRUint32 aLength);
|
||||
|
||||
// create a font entry representing an installed font, identified by
|
||||
// a FontListEntry; the freetype and cairo faces will not be instantiated
|
||||
// until actually needed
|
||||
static FontEntry*
|
||||
CreateFontEntry(const FontListEntry& aFLE);
|
||||
|
||||
// create a font entry for a given freetype face; if it is an installed font,
|
||||
// also record the filename and index
|
||||
static FontEntry*
|
||||
CreateFontEntry(FT_Face aFace, const char *aFilename, PRUint8 aIndex,
|
||||
const PRUint8 *aFontData = nsnull);
|
||||
// aFontData is NS_Malloc'ed data that aFace depends on, to be freed
|
||||
// after the face is destroyed; null if there is no such buffer
|
||||
|
||||
virtual gfxFont *CreateFontInstance(const gfxFontStyle *aFontStyle, PRBool aNeedsBold);
|
||||
|
||||
cairo_font_face_t *CairoFontFace();
|
||||
nsresult ReadCMAP();
|
||||
|
||||
nsresult GetFontTable(PRUint32 aTableTag, FallibleTArray<PRUint8>& aBuffer);
|
||||
|
||||
FT_Face mFTFace;
|
||||
cairo_font_face_t *mFontFace;
|
||||
|
||||
nsCString mFilename;
|
||||
PRUint8 mFTFontIndex;
|
||||
};
|
||||
|
||||
class FT2FontEntry;
|
||||
|
||||
class gfxFT2Font : public gfxFT2FontBase {
|
||||
public: // new functions
|
||||
gfxFT2Font(cairo_scaled_font_t *aCairoFont,
|
||||
FontEntry *aFontEntry,
|
||||
FT2FontEntry *aFontEntry,
|
||||
const gfxFontStyle *aFontStyle,
|
||||
PRBool aNeedsBold);
|
||||
virtual ~gfxFT2Font ();
|
||||
|
||||
cairo_font_face_t *CairoFontFace();
|
||||
|
||||
FontEntry *GetFontEntry();
|
||||
FT2FontEntry *GetFontEntry();
|
||||
|
||||
static already_AddRefed<gfxFT2Font>
|
||||
GetOrMakeFont(const nsAString& aName, const gfxFontStyle *aStyle,
|
||||
PRBool aNeedsBold = PR_FALSE);
|
||||
|
||||
static already_AddRefed<gfxFT2Font>
|
||||
GetOrMakeFont(FontEntry *aFontEntry, const gfxFontStyle *aStyle,
|
||||
GetOrMakeFont(FT2FontEntry *aFontEntry, const gfxFontStyle *aStyle,
|
||||
PRBool aNeedsBold = PR_FALSE);
|
||||
|
||||
struct CachedGlyphData {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user