[tkreuzer] 51627: [GDI FONT DRIVER] - Improve getting pitch in the ifimetrics - Resort code to only set certain members of the ifimetrics, if querying the OS/2 table failed
7 May
2011
7 May
'11
7:14 p.m.
Author: tkreuzer
Date: Sat May 7 19:14:51 2011
New Revision: 51627
URL: http://svn.reactos.org/svn/reactos?rev=51627&view=rev
Log:
[GDI FONT DRIVER]
- Improve getting pitch in the ifimetrics
- Resort code to only set certain members of the ifimetrics, if querying the OS/2 table
failed
Modified:
branches/GSoC_2011/GdiFontDriver/drivers/video/font/ftfd/font.c
branches/GSoC_2011/GdiFontDriver/drivers/video/font/ftfd/ftfd.h
branches/GSoC_2011/GdiFontDriver/drivers/video/font/ftfd/tttables.c
Modified: branches/GSoC_2011/GdiFontDriver/drivers/video/font/ftfd/font.c
URL:
http://svn.reactos.org/svn/reactos/branches/GSoC_2011/GdiFontDriver/drivers…
==============================================================================
--- branches/GSoC_2011/GdiFontDriver/drivers/video/font/ftfd/font.c [iso-8859-1]
(original)
+++ branches/GSoC_2011/GdiFontDriver/drivers/video/font/ftfd/font.c [iso-8859-1] Sat May
7 19:14:51 2011
@@ -7,6 +7,7 @@
#include "ftfd.h"
+static
FWORD
CalculateAveCharWidth(
FT_Face ftface)
@@ -44,7 +45,7 @@
if (fterror) continue;
/* Calculate accumulative char width */
- ulAccumCharWidth += ftface->glyph->metrics.width; // fIXME: weighted
+ ulAccumCharWidth += ftface->glyph->metrics.width; // FIXME: weighted
cGlyphs++;
}
@@ -69,7 +70,7 @@
/* Get the freetype face pointer */
ftface = pface->ftface;
- /* Fill IFIMETRICS */
+ /* Init header */
pifiex = &pface->ifiex;
pifi = &pface->ifiex.ifi;
pifi->cjThis = sizeof(FTFD_IFIMETRICS);
@@ -94,7 +95,11 @@
pifi->lEmbedId = 0;
pifi->lCharBias = 0;
- /* Set flags */
+ /* Set pitch */
+ pifi->jWinPitchAndFamily = FT_IS_FIXED_WIDTH(ftface) ? FIXED_PITCH :
+ VARIABLE_PITCH;
+
+ /* Feature flags */
pifi->flInfo = FM_INFO_RETURNS_BITMAPS | FM_INFO_1BPP | FM_INFO_4BPP;
if (pface->ulFontFormat == FMT_TYPE1)
pifi->flInfo |= FM_INFO_TECH_TYPE1;
@@ -110,48 +115,15 @@
pifi->flInfo |= /*FM_INFO_RETURNS_OUTLINES |*/ FM_INFO_ARB_XFORMS;
pifi->flInfo |= FM_INFO_RIGHT_HANDED; // FIXME: how to determine?
- /* Font style */
- pifi->fsSelection = FM_SEL_REGULAR;
- pifi->usWinWeight = FW_REGULAR;
- if (ftface->style_flags & FT_STYLE_FLAG_BOLD)
- {
- pifi->fsSelection &= ~FM_SEL_REGULAR;
- pifi->fsSelection |= FM_SEL_BOLD;
- pifi->usWinWeight = FW_BOLD;
- }
- if (ftface->style_flags & FT_STYLE_FLAG_ITALIC)
- {
- pifi->fsSelection &= ~FM_SEL_REGULAR; // ??? remove it?
- pifi->fsSelection |= FM_SEL_ITALIC;
- }
-
- pifi->fsType = 0;
-
/* Font resolution */
pifi->fwdUnitsPerEm = ftface->units_per_EM;
pifi->fwdLowestPPEm = 3; // FIXME
/* Font metrics */
- pifi->fwdWinAscender = (ftface->ascender * 213) / 170;
- pifi->fwdWinDescender = -(ftface->descender * 213) / 170;
pifi->fwdMacAscender = ftface->ascender;
pifi->fwdMacDescender = ftface->descender;
pifi->fwdMacLineGap = 0;
- pifi->fwdAveCharWidth = 0;
- pifi->fwdTypoAscender = ftface->ascender;
- pifi->fwdTypoDescender = ftface->descender;
- pifi->fwdTypoLineGap = ftface->units_per_EM / 10;
pifi->fwdMaxCharInc = ftface->max_advance_width;
- pifi->fwdCapHeight = 0;
- pifi->fwdXHeight = 0;
- pifi->fwdSubscriptXSize = 0;
- pifi->fwdSubscriptYSize = 0;
- pifi->fwdSubscriptXOffset = 0;
- pifi->fwdSubscriptYOffset = 0;
- pifi->fwdSuperscriptXSize = 0;
- pifi->fwdSuperscriptYSize = 0;
- pifi->fwdSuperscriptXOffset = 0;
- pifi->fwdSuperscriptYOffset = 0;
pifi->fwdUnderscoreSize = ftface->underline_thickness;
pifi->fwdUnderscorePosition = ftface->underline_position; // FIXME: off by 10
pifi->fwdStrikeoutSize = pifi->fwdUnitsPerEm / 20;
@@ -170,17 +142,6 @@
pifi->rclFontBox.top = ftface->bbox.yMax;
pifi->rclFontBox.bottom = ftface->bbox.yMin;
- /* Special characters */
- pifi->chFirstChar = 0x00;
- pifi->chLastChar = 0xff;
- pifi->chDefaultChar = 0x20;
- pifi->chBreakChar = 0x20;
- //pifi->wcFirstChar = 0;
- //pifi->wcLastChar = 0x00ff;
- pifi->wcDefaultChar = 0x0020;
- pifi->wcBreakChar = 0x0020;
-
- *(DWORD*)&pifi->achVendId = '0000';
pifi->cKerningPairs = 0;
pifi->ulPanoseCulture = FM_PANOSE_CULTURE_LATIN;
@@ -195,26 +156,70 @@
pifi->panose.bMidline = PAN_ANY;
pifi->panose.bXHeight = PAN_ANY;
+ /* Try to get OS/2 TrueType or OpenType metrics */
+ if (!FtfdGetWinMetrics(pface, pifi))
+ {
+ /* No success, use fallback */
+
+ /* Font style flags */
+ pifi->fsType = 0;
+ pifi->fsSelection = FM_SEL_REGULAR;
+ pifi->usWinWeight = FW_REGULAR;
+ if (ftface->style_flags & FT_STYLE_FLAG_BOLD)
+ {
+ pifi->fsSelection &= ~FM_SEL_REGULAR;
+ pifi->fsSelection |= FM_SEL_BOLD;
+ pifi->usWinWeight = FW_BOLD;
+ }
+ if (ftface->style_flags & FT_STYLE_FLAG_ITALIC)
+ {
+ pifi->fsSelection &= ~FM_SEL_REGULAR;
+ pifi->fsSelection |= FM_SEL_ITALIC;
+ }
+
+ /* Metrics */
+ pifi->fwdWinAscender = (ftface->ascender * 213) / 170;
+ pifi->fwdWinDescender = -(ftface->descender * 213) / 170;
+ pifi->fwdTypoAscender = ftface->ascender;
+ pifi->fwdTypoDescender = ftface->descender;
+ pifi->fwdTypoLineGap = ftface->units_per_EM / 10;
+ pifi->fwdAveCharWidth = 0;
+ pifi->fwdCapHeight = 0;
+ pifi->fwdXHeight = 0;
+ pifi->fwdSubscriptXSize = 0;
+ pifi->fwdSubscriptYSize = 0;
+ pifi->fwdSubscriptXOffset = 0;
+ pifi->fwdSubscriptYOffset = 0;
+ pifi->fwdSuperscriptXSize = 0;
+ pifi->fwdSuperscriptYSize = 0;
+ pifi->fwdSuperscriptXOffset = 0;
+ pifi->fwdSuperscriptYOffset = 0;
+ pifi->fwdAveCharWidth = CalculateAveCharWidth(ftface);
+
+ /* Special characters (first and last char are already enumerated) */
+ pifi->wcDefaultChar = 0x0020;
+ pifi->wcBreakChar = 0x0020;
+
+ *(DWORD*)&pifi->achVendId = '0000';
+ }
+
/* Try to get type1 info from freetype */
fterror = FT_Get_PS_Font_Info(pface->ftface, &fontinfo);
if (fterror == 0)
{
/* Set italic angle */
pifi->lItalicAngle = fontinfo.italic_angle;
-
- /* Set pitch */
- if (fontinfo.is_fixed_pitch)
- pifi->jWinPitchAndFamily = FIXED_PITCH;
- else
- pifi->jWinPitchAndFamily = VARIABLE_PITCH;
}
else
{
/* Set fallback values */
pifi->lItalicAngle = 0;
- pifi->jWinPitchAndFamily = 0;
- }
-
+ }
+
+ /* Convert the special characters from unicode to ansi */
+ EngUnicodeToMultiByteN(&pifi->chFirstChar, 4, NULL, &pifi->wcFirstChar,
3);
+
+ /* Convert names to unicode */
EngMultiByteToUnicodeN(pifiex->awcFamilyName,
LF_FACESIZE,
NULL,
@@ -233,26 +238,16 @@
ftface->family_name,
strnlen(ftface->family_name, MAX_PATH));
- /* Use OS/2 TrueType or OpenType tables */
- FtfdGetWinMetrics(pface, pifi);
-
- if (pifi->fwdAveCharWidth == 0)
- pifi->fwdAveCharWidth = CalculateAveCharWidth(ftface);
-
/* Create a unique name */
wcscpy(pifiex->awcUniqueName, L"1.000;ABCD;");
wcsncat(pifiex->awcUniqueName, pifiex->awcFamilyName, LF_FACESIZE);
pifiex->awcUniqueName[0] = L'1'; // + version?
- //pifiex->awcUniqueName[2] = L'0'; // + version?
+ pifiex->awcUniqueName[2] = L'0'; // + version?
EngMultiByteToUnicodeN(pifiex->awcUniqueName + 6,
4,
NULL,
pifi->achVendId,
4);
-
-
- TRACE("Finished with the ifi: %p\n", pifi);
- //__debugbreak();
return TRUE;
}
Modified: branches/GSoC_2011/GdiFontDriver/drivers/video/font/ftfd/ftfd.h
URL:
http://svn.reactos.org/svn/reactos/branches/GSoC_2011/GdiFontDriver/drivers…
==============================================================================
--- branches/GSoC_2011/GdiFontDriver/drivers/video/font/ftfd/ftfd.h [iso-8859-1]
(original)
+++ branches/GSoC_2011/GdiFontDriver/drivers/video/font/ftfd/ftfd.h [iso-8859-1] Sat May
7 19:14:51 2011
@@ -39,8 +39,6 @@
#define FATAL(...)
#endif
-// move to appropriate header
-#define STAMP_DESIGNVECTOR (0x8000000 + 'd' + ('v' << 8))
/** Driver specific types *****************************************************/
@@ -311,7 +309,7 @@
ULONG ulTag,
PULONG pulLength);
-VOID
+BOOL
NTAPI
FtfdGetWinMetrics(
PFTFD_FACE pface,
Modified: branches/GSoC_2011/GdiFontDriver/drivers/video/font/ftfd/tttables.c
URL:
http://svn.reactos.org/svn/reactos/branches/GSoC_2011/GdiFontDriver/drivers…
==============================================================================
--- branches/GSoC_2011/GdiFontDriver/drivers/video/font/ftfd/tttables.c [iso-8859-1]
(original)
+++ branches/GSoC_2011/GdiFontDriver/drivers/video/font/ftfd/tttables.c [iso-8859-1] Sat
May 7 19:14:51 2011
@@ -303,7 +303,7 @@
return 0;
}
-VOID
+BOOL
NTAPI
FtfdGetWinMetrics(
PFTFD_FACE pface,
@@ -319,14 +319,12 @@
if (!pOs2)
{
WARN("Couldn't find OS/2 table\n");
- return;
+ return FALSE;
}
//pifi->lEmbedId;
- //pifi->lItalicAngle;
//pifi->lCharBias;
//pifi->jWinCharSet;
- pifi->jWinPitchAndFamily &= 3;
pifi->jWinPitchAndFamily |= GetWinFamily(pOs2->jClassId,
pOs2->jSubClassId);
pifi->usWinWeight = GETW(&pOs2->usWeightClass);
pifi->fsSelection = GETW(&pOs2->fsSelection);
@@ -362,9 +360,7 @@
//pifi->ulPanoseCulture;
pifi->panose = *(PANOSE*)pOs2->panose;
- /* Convert the special characters from unicode to ansi */
- EngUnicodeToMultiByteN(&pifi->chFirstChar, 4, NULL, &pifi->wcFirstChar,
3);
-
+ return TRUE;
}
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