git-svn-id: svn://ultimatepp.org/upp/trunk@6270 f0d560ea-af0d-0410-9eb7-867de7ffcac7
This commit is contained in:
cxl 2013-08-25 17:03:54 +00:00
parent adbe62a68c
commit 176fa6f62d
4 changed files with 118 additions and 25 deletions

View file

@ -2,8 +2,9 @@
#include "freetype/ft2build.h"
#include FT_FREETYPE_H
#include <freetype/ftoutln.h>
#define LLOG(x) // LOG(x)
#define LLOG(x) DLOG(x)
#define LTIMING(x) // TIMING(x)
NAMESPACE_UPP
@ -38,6 +39,7 @@ void sSetFont(int index, const String& path, const byte *data, int size, dword s
sSetFont(index, path, data, size, 0);
if(!fd.At(0).style[0])
sSetFont(0, path, data, size, 0);
InvalidateFontList();
}
void SetFileFont(int face, const char *path, dword style)
@ -90,18 +92,83 @@ bool sInitFt(void)
return FT_Init_FreeType(&sFTlib) == 0;
}
void FT_ITALIC(FT_GlyphSlot slot)
{
FT_Matrix transform;
FT_Outline* outline = &slot->outline;
/* only oblique outline glyphs */
if ( slot->format != FT_GLYPH_FORMAT_OUTLINE )
return;
/* we don't touch the advance width */
/* For italic, simply apply a shear transform, with an angle */
/* of about 12 degrees. */
transform.xx = 0x10000L;
transform.yx = 0x00000L;
transform.xy = 0x06000L;
transform.yy = 0x10000L;
FT_Outline_Transform( outline, &transform );
}
void FT_BOLD(FT_GlyphSlot slot)
{
FT_Face face = slot->face;
FT_Pos xstr, ystr;
if(slot->format != FT_GLYPH_FORMAT_OUTLINE)
return;
/* some reasonable strength */
xstr = FT_MulFix( face->units_per_EM,
face->size->metrics.y_scale ) / 24;
ystr = xstr;
if ( slot->format == FT_GLYPH_FORMAT_OUTLINE )
{
/* ignore error */
(void)FT_Outline_Embolden( &slot->outline, xstr );
/* this is more than enough for most glyphs; if you need accurate */
/* values, you have to call FT_Outline_Get_CBox */
xstr = xstr * 2;
ystr = xstr;
}
if ( slot->advance.x )
slot->advance.x += xstr;
if ( slot->advance.y )
slot->advance.y += ystr;
slot->metrics.width += xstr;
slot->metrics.height += ystr;
slot->metrics.horiBearingY += ystr;
slot->metrics.horiAdvance += xstr;
slot->metrics.vertBearingX -= xstr / 2;
slot->metrics.vertBearingY += ystr;
slot->metrics.vertAdvance += ystr;
/* XXX: 16-bit overflow case must be excluded before here */
if ( slot->format == FT_GLYPH_FORMAT_BITMAP )
slot->bitmap_top += (FT_Int)( ystr >> 6 );
}
FT_Face CreateFTFace(Font fnt)
{
sInitFt();
FtFontStyle f = GetFontStyle(fnt);
if(f)
if(!f)
return NULL;
FT_Face face;
if(IsNull(f.path) ? FT_New_Face(sFTlib, f.path, 0, &face)
: FT_New_Memory_Face(sFTlib, f.data, f.size, 0, &face))
DDUMP(f.path);
if(IsNull(f.path) ? FT_New_Memory_Face(sFTlib, f.data, f.size, 0, &face)
: FT_New_Face(sFTlib, f.path, 0, &face))
return NULL;
FT_Set_Pixel_Sizes(face, 0, fnt.GetHeight());
@ -126,6 +193,7 @@ void ClearFtFaceCache()
FT_Face FTFace(Font fnt)
{
LTIMING("FTFace");
LLOG("FTFace " << fnt);
ONCELOCK {
ClearFtFaceCache();
}
@ -138,6 +206,7 @@ FT_Face FTFace(Font fnt)
if(e.font == fnt && e.face) {
if(i)
ft_cache[0] = e;
LLOG("Found " << e.face);
return e.face;
}
be = e;
@ -150,6 +219,7 @@ FT_Face FTFace(Font fnt)
be.font = fnt;
be.face = CreateFTFace(be.font);
ft_cache[0] = be;
LLOG("Created " << be.face);
return be.face;
}
@ -183,6 +253,20 @@ CommonFontInfo GetFontInfoSys(Font font)
#define TRUNC(x) ((x) >> 6)
#define ROUND(x) (((x)+32) & -64)
static bool sLoadGlyph(Font fnt, FT_Face face, int chr)
{
int glyph_index = FT_Get_Char_Index(face, chr);
if(!glyph_index)
return false;
if(FT_Load_Glyph(face, glyph_index, FT_LOAD_DEFAULT|FT_LOAD_NO_BITMAP))
return false;
if(fnt.IsBold() && !(face->style_flags & FT_STYLE_FLAG_BOLD))
FT_BOLD(face->glyph);
if(fnt.IsItalic() && !(face->style_flags & FT_STYLE_FLAG_ITALIC))
FT_ITALIC(face->glyph);
return true;
}
GlyphInfo GetGlyphInfoSys(Font font, int chr)
{
LTIMING("GetGlyphInfoSys");
@ -193,18 +277,13 @@ GlyphInfo GetGlyphInfoSys(Font font, int chr)
LLOG("GetGlyphInfoSys " << font << " " << (char)chr << " " << FormatIntHex(chr));
if(face) {
LTIMING("GetGlyphInfoSys 2");
int glyph_index = FT_Get_Char_Index(face, chr);
if(glyph_index) {
if(FT_Load_Glyph(face, glyph_index, FT_LOAD_DEFAULT|FT_LOAD_NO_BITMAP) == 0 ||
FT_Load_Glyph(face, glyph_index, FT_LOAD_DEFAULT) == 0) {
FT_Glyph_Metrics& m = face->glyph->metrics;
int left = FLOOR(m.horiBearingX);
int width = TRUNC(CEIL(m.horiBearingX + m.width) - left);
gi.width = TRUNC(ROUND(face->glyph->advance.x));
gi.lspc = TRUNC(left);
gi.rspc = gi.width - width - gi.lspc;
gi.glyphi = glyph_index;
}
if(sLoadGlyph(font, face, chr)) {
FT_Glyph_Metrics& m = face->glyph->metrics;
int left = FLOOR(m.horiBearingX);
int width = TRUNC(CEIL(m.horiBearingX + m.width) - left);
gi.width = TRUNC(ROUND(face->glyph->advance.x));
gi.lspc = TRUNC(left);
gi.rspc = gi.width - width - gi.lspc;
}
}
return gi;
@ -226,10 +305,10 @@ Vector<FaceInfo> GetAllFacesSys()
fi.info = (i == 3) ? Font::SCALEABLE|Font::FIXEDPITCH : Font::SCALEABLE;
}
const Vector<FtFontData>& fd = sFontData();
for(int i = __countof(basic_fonts); i < fd.GetCount(); i++) {
FaceInfo& fi = list.Add();
}
// const Vector<FtFontData>& fd = sFontData();
// for(int i = __countof(basic_fonts); i < fd.GetCount(); i++) {
// FaceInfo& fi = list.Add();
// }
return list;
}
@ -351,8 +430,7 @@ bool RenderOutline(const FT_Outline& outline, FontGlyphConsumer& path, double xx
void RenderCharacterSys(FontGlyphConsumer& sw, double x, double y, int ch, Font fnt)
{
FT_Face face = FTFace(fnt);
int glyph_index = FT_Get_Char_Index(face, ch);
if(glyph_index && FT_Load_Glyph(face, glyph_index, FT_LOAD_DEFAULT) == 0)
if(sLoadGlyph(fnt, face, ch))
RenderOutline(face->glyph->outline, sw, x, y + fnt.GetAscent());
}

View file

@ -12,8 +12,21 @@
CONSOLE_APP_MAIN {
#ifdef PLATFORM_POSIX
// SetFileFont(0, "/usr/share/fonts/truetype/droid/DroidSans.ttf");
// SetFileFont(0, "/usr/share/fonts/truetype/droid/DroidSans-Bold.ttf", FtBOLD);
SetFileFont(Font::SANSSERIF, "/usr/share/fonts/truetype/droid/DroidSans.ttf");
// SetFileFont(Font::SANSSERIF, "/usr/share/fonts/truetype/droid/DroidSans-Bold.ttf", FtBOLD);
SetStdFont(Arial(20));
#else
SetFileFont(0, "C:\\u\\exsrc\\droid\\DroidSans.ttf");
SetFileFont(0, "C:\\u\\exsrc\\droid\\DroidSans-Bold.ttf", FtBOLD);
SetFileFont(Font::SANSSERIF, "C:\\u\\exsrc\\droid\\DroidSans.ttf");
// SetFileFont(Font::SANSSERIF, "C:\\u\\exsrc\\droid\\DroidSans-Bold.ttf", FtBOLD);
SetFileFont(Font::SANSSERIF, "C:\\u\\exsrc\\droid\\DroidSans-Bold.ttf", FtBOLD);
#endif
SDL_Init(SDL_INIT_EVERYTHING);

View file

@ -3,7 +3,7 @@
#include <Painter/Painter.h>
#include <SDL.h>
#include <SDL2/SDL.h>
using namespace Upp;

View file

@ -23,7 +23,9 @@ apostrophe). Group of characters can be escaped using byte 1.
Example:&]
[s0; &]
[s1; `\"`\1a`[x`]`\1`[`* bold`]`\"&]
[s0; &]
[s0; Normal [* Bold] [/ Italic] [*/ Bold Italic] [_ Underline] [- Stroked]&]
[Rs0; Normal [* Bold] [/ Italic] [*/ Bold Italic] [_ Underline] [- Stroked]&]
[Cs0; Normal [* Bold] [/ Italic] [*/ Bold Italic] [_ Underline] [- Stroked]&]
[s0; Byte 0 represents the end of input sequence.&]
[s0; &]
[s0; Dimension units of QTF are dots `- one dot is defined as 1/600