vcl/inc/sft.hxx | 29 +++++++++++++++++++++++++++--
vcl/source/fontsubset/sft.cxx | 22 +++++++++++-----------
vcl/source/fontsubset/ttcr.cxx | 16 ++++++++--------
3 files changed, 46 insertions(+), 21 deletions(-)
New commits:
commit 9e4cbac83094c13ffbfd117f534d4275cc1ffb16
Author: Julien Nabet <serval2...@yahoo.fr>
AuthorDate: Sun Oct 13 09:37:16 2019 +0200
Commit: Julien Nabet <serval2...@yahoo.fr>
CommitDate: Sun Oct 13 12:28:31 2019 +0200
Add glyf constants + remove "offset" pattern for length var (vcl)
Change-Id: I35bf0cda789cbbaa5272b78b30a58fa8c4d8c08a
Reviewed-on: https://gerrit.libreoffice.org/80726
Tested-by: Jenkins
Reviewed-by: Julien Nabet <serval2...@yahoo.fr>
diff --git a/vcl/inc/sft.hxx b/vcl/inc/sft.hxx
index 39bc2ecfd421..27a5093e61e7 100644
--- a/vcl/inc/sft.hxx
+++ b/vcl/inc/sft.hxx
@@ -357,7 +357,7 @@ static const int POST_isFixedPitch_offset = 12;
=> length head table = 54 bytes
*/
-static const int HEAD_Length_offset = 54;
+static const int HEAD_Length = 54;
static const int HEAD_majorVersion_offset = 0;
static const int HEAD_fontRevision_offset = 4;
@@ -393,7 +393,7 @@ static const int HEAD_glyphDataFormat_offset = 52;
...
*/
-static const int MAXP_Version1Length_offset = 32;
+static const int MAXP_Version1Length = 32;
static const int MAXP_numGlyphs_offset = 4;
static const int MAXP_maxPoints_offset = 6;
@@ -401,6 +401,31 @@ static const int MAXP_maxContours_offset = 8;
static const int MAXP_maxCompositePoints_offset = 10;
static const int MAXP_maxCompositeContours_offset = 12;
+/*
+ Some table glyf consts
+ cf https://docs.microsoft.com/fr-fr/typography/opentype/spec/glyf
+ For 0.5 version
+ TYPE NAME FROM BYTE
+ int16 numberOfContours 0
+ int16 xMin 2
+ int16 yMin 4
+ int16 xMax 6
+ int16 yMax 8
+
+ END 10
+
+ => length glyf table = 10 bytes
+
+*/
+static const int GLYF_Length = 10;
+
+static const int GLYF_numberOfContours_offset = 0;
+static const int GLYF_xMin_offset = 2;
+static const int GLYF_yMin_offset = 4;
+static const int GLYF_xMax_offset = 6;
+static const int GLYF_yMax_offset = 8;
+
+
/**
* @defgroup sft Sun Font Tools Exported Functions
*/
diff --git a/vcl/source/fontsubset/sft.cxx b/vcl/source/fontsubset/sft.cxx
index 9da262cf4a42..7c527887dc65 100644
--- a/vcl/source/fontsubset/sft.cxx
+++ b/vcl/source/fontsubset/sft.cxx
@@ -386,15 +386,15 @@ static int GetSimpleTTOutline(TrueTypeFont const *ttf,
sal_uInt32 glyphID, Contr
if( glyphID >= ttf->nglyphs ) /*- glyph is not present in the
font */
return 0;
const sal_uInt8* ptr = table + ttf->goffsets[glyphID];
- const sal_Int16 numberOfContours = GetInt16(ptr, 0);
+ const sal_Int16 numberOfContours = GetInt16(ptr,
GLYF_numberOfContours_offset);
if( numberOfContours <= 0 ) /*- glyph is not simple */
return 0;
if (metrics) { /*-
GetCompoundTTOutline() calls this function with NULL metrics -*/
- metrics->xMin = GetInt16(ptr, 2);
- metrics->yMin = GetInt16(ptr, 4);
- metrics->xMax = GetInt16(ptr, 6);
- metrics->yMax = GetInt16(ptr, 8);
+ metrics->xMin = GetInt16(ptr, GLYF_xMin_offset);
+ metrics->yMin = GetInt16(ptr, GLYF_yMin_offset);
+ metrics->xMax = GetInt16(ptr, GLYF_xMax_offset);
+ metrics->yMax = GetInt16(ptr, GLYF_yMax_offset);
GetMetrics(ttf, glyphID, metrics);
}
@@ -516,14 +516,14 @@ static int GetCompoundTTOutline(TrueTypeFont *ttf,
sal_uInt32 glyphID, ControlPo
return 0;
const sal_uInt8* ptr = table + ttf->goffsets[glyphID];
- if (GetInt16(ptr, 0) != -1) /* number of contours - glyph is not
compound */
+ if (GetInt16(ptr, GLYF_numberOfContours_offset) != -1) /* number of
contours - glyph is not compound */
return 0;
if (metrics) {
- metrics->xMin = GetInt16(ptr, 2);
- metrics->yMin = GetInt16(ptr, 4);
- metrics->xMax = GetInt16(ptr, 6);
- metrics->yMax = GetInt16(ptr, 8);
+ metrics->xMin = GetInt16(ptr, GLYF_xMin_offset);
+ metrics->yMin = GetInt16(ptr, GLYF_yMin_offset);
+ metrics->xMax = GetInt16(ptr, GLYF_xMax_offset);
+ metrics->yMax = GetInt16(ptr, GLYF_yMax_offset);
GetMetrics(ttf, glyphID, metrics);
}
@@ -1639,7 +1639,7 @@ static SFErrCodes doOpenTTFont( sal_uInt32 facenum,
TrueTypeFont* t )
table = getTable(t, O_head);
table_size = getTableSize(t, O_head);
- if (table_size < HEAD_Length_offset) {
+ if (table_size < HEAD_Length) {
return SFErrCodes::TtFormat;
}
t->unitsPerEm = GetUInt16(table, HEAD_unitsPerEm_offset);
diff --git a/vcl/source/fontsubset/ttcr.cxx b/vcl/source/fontsubset/ttcr.cxx
index a52f8fda08b0..f6d78ef5520c 100644
--- a/vcl/source/fontsubset/ttcr.cxx
+++ b/vcl/source/fontsubset/ttcr.cxx
@@ -303,10 +303,10 @@ SFErrCodes StreamToFile(TrueTypeCreator *_this, const
char* fname)
/* Table data points to
* --------------------------------------------
* generic tdata_generic struct
- * 'head' HEAD_Length_offset bytes of memory
+ * 'head' HEAD_Length bytes of memory
* 'hhea' HHEA_Length bytes of memory
* 'loca' tdata_loca struct
- * 'maxp' MAXP_Version1Length_offset bytes of memory
+ * 'maxp' MAXP_Version1Length bytes of memory
* 'glyf' list of GlyphData structs (defined in sft.h)
* 'name' list of NameRecord structs (defined in sft.h)
* 'post' tdata_post struct
@@ -503,7 +503,7 @@ static int GetRawData_generic(TrueTypeTable *_this,
sal_uInt8 **ptr, sal_uInt32
static int GetRawData_head(TrueTypeTable *_this, sal_uInt8 **ptr, sal_uInt32
*len, sal_uInt32 *tag)
{
- *len = HEAD_Length_offset;
+ *len = HEAD_Length;
*ptr = static_cast<sal_uInt8 *>(_this->data);
*tag = T_head;
@@ -538,7 +538,7 @@ static int GetRawData_loca(TrueTypeTable *_this, sal_uInt8
**ptr, sal_uInt32 *le
static int GetRawData_maxp(TrueTypeTable *_this, sal_uInt8 **ptr, sal_uInt32
*len, sal_uInt32 *tag)
{
- *len = MAXP_Version1Length_offset;
+ *len = MAXP_Version1Length;
*ptr = static_cast<sal_uInt8 *>(_this->data);
*tag = T_maxp;
@@ -858,7 +858,7 @@ TrueTypeTable *TrueTypeTableNew_head(sal_uInt32
fontRevision,
assert(created != nullptr);
TrueTypeTable* table =
static_cast<TrueTypeTable*>(smalloc(sizeof(TrueTypeTable)));
- sal_uInt8* ptr = ttmalloc(HEAD_Length_offset);
+ sal_uInt8* ptr = ttmalloc(HEAD_Length);
PutUInt32(0x00010000, ptr, 0); /* version */
PutUInt32(fontRevision, ptr, 4);
@@ -925,10 +925,10 @@ TrueTypeTable *TrueTypeTableNew_loca()
TrueTypeTable *TrueTypeTableNew_maxp( const sal_uInt8* maxp, int size)
{
TrueTypeTable* table =
static_cast<TrueTypeTable*>(smalloc(sizeof(TrueTypeTable)));
- table->data = ttmalloc(MAXP_Version1Length_offset);
+ table->data = ttmalloc(MAXP_Version1Length);
- if (maxp && size == MAXP_Version1Length_offset) {
- memcpy(table->data, maxp, MAXP_Version1Length_offset);
+ if (maxp && size == MAXP_Version1Length) {
+ memcpy(table->data, maxp, MAXP_Version1Length);
}
table->tag = T_maxp;
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