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Set the minimum required FreeType version to 2.1.10

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...and get rid of workarounds for older versions,
which also makes the code more readable.

Change-Id: I087110c5f60cd664dad241776e1a0df901989c75
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
This commit is contained in:
Konstantin Ritt 2014-12-29 14:37:35 +04:00
parent 7e05a400df
commit b0b2b9c8f7
3 changed files with 21 additions and 52 deletions
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2
config.tests/unix/fontconfig/fontconfig.cpp
View File

@ -39,7 +39,7 @@
# error "This version of fontconfig is tool old, it is missing the FC_RGBA_UNKNOWN define"
#endif
#if ((FREETYPE_MAJOR*10000 + FREETYPE_MINOR*100 + FREETYPE_PATCH) < 20103)
#if ((FREETYPE_MAJOR*10000 + FREETYPE_MINOR*100 + FREETYPE_PATCH) < 20110)
# error "This version of freetype is too old."
#endif

2
config.tests/unix/freetype/freetype.cpp
View File

@ -34,7 +34,7 @@
#include <ft2build.h>
#include FT_FREETYPE_H
#if ((FREETYPE_MAJOR*10000 + FREETYPE_MINOR*100 + FREETYPE_PATCH) < 20103)
#if ((FREETYPE_MAJOR*10000 + FREETYPE_MINOR*100 + FREETYPE_PATCH) < 20110)
# error "This version of freetype is too old."
#endif

69
src/gui/text/qfontengine_ft.cpp
View File

@ -76,34 +76,6 @@
QT_BEGIN_NAMESPACE
/*
* Freetype 2.1.7 and earlier used width/height
* for matching sizes in the BDF and PCF loaders.
* This has been fixed for 2.1.8.
*/
#if (FREETYPE_MAJOR*10000+FREETYPE_MINOR*100+FREETYPE_PATCH) >= 20105
#define X_SIZE(face,i) ((face)->available_sizes[i].x_ppem)
#define Y_SIZE(face,i) ((face)->available_sizes[i].y_ppem)
#else
#define X_SIZE(face,i) ((face)->available_sizes[i].width << 6)
#define Y_SIZE(face,i) ((face)->available_sizes[i].height << 6)
#endif
/* FreeType 2.1.10 starts to provide FT_GlyphSlot_Embolden */
#if (FREETYPE_MAJOR*10000+FREETYPE_MINOR*100+FREETYPE_PATCH) >= 20110
#define Q_FT_GLYPHSLOT_EMBOLDEN(slot) FT_GlyphSlot_Embolden(slot)
#else
#define Q_FT_GLYPHSLOT_EMBOLDEN(slot)
#endif
/* FreeType 2.1.10 starts to provide FT_GlyphSlot_Oblique */
#if (FREETYPE_MAJOR*10000+FREETYPE_MINOR*100+FREETYPE_PATCH) >= 20110
#define Q_HAS_FT_GLYPHSLOT_OBLIQUE
#define Q_FT_GLYPHSLOT_OBLIQUE(slot) FT_GlyphSlot_Oblique(slot)
#else
#define Q_FT_GLYPHSLOT_OBLIQUE(slot)
#endif
#define FLOOR(x) ((x) & -64)
#define CEIL(x) (((x)+63) & -64)
#define TRUNC(x) ((x) >> 6)
@ -297,7 +269,7 @@ QFreetypeFace *QFreetypeFace::getFace(const QFontEngine::FaceId &face_id,
}
if (!FT_IS_SCALABLE(newFreetype->face) && newFreetype->face->num_fixed_sizes == 1)
FT_Set_Char_Size (face, X_SIZE(newFreetype->face, 0), Y_SIZE(newFreetype->face, 0), 0, 0);
FT_Set_Char_Size(face, newFreetype->face->available_sizes[0].x_ppem, newFreetype->face->available_sizes[0].y_ppem, 0, 0);
FT_Set_Charmap(newFreetype->face, newFreetype->unicode_map);
QT_TRY {
@ -357,18 +329,18 @@ void QFreetypeFace::computeSize(const QFontDef &fontDef, int *xsize, int *ysize,
if (!(face->face_flags & FT_FACE_FLAG_SCALABLE)) {
int best = 0;
for (int i = 1; i < face->num_fixed_sizes; i++) {
if (qAbs(*ysize - Y_SIZE(face,i)) <
qAbs (*ysize - Y_SIZE(face, best)) ||
(qAbs (*ysize - Y_SIZE(face, i)) ==
qAbs (*ysize - Y_SIZE(face, best)) &&
qAbs (*xsize - X_SIZE(face, i)) <
qAbs (*xsize - X_SIZE(face, best)))) {
if (qAbs(*ysize - face->available_sizes[i].y_ppem) <
qAbs(*ysize - face->available_sizes[best].y_ppem) ||
(qAbs(*ysize - face->available_sizes[i].y_ppem) ==
qAbs(*ysize - face->available_sizes[best].y_ppem) &&
qAbs(*xsize - face->available_sizes[i].x_ppem) <
qAbs(*xsize - face->available_sizes[best].x_ppem))) {
best = i;
}
}
if (FT_Set_Char_Size (face, X_SIZE(face, best), Y_SIZE(face, best), 0, 0) == 0) {
*xsize = X_SIZE(face, best);
*ysize = Y_SIZE(face, best);
if (FT_Set_Char_Size(face, face->available_sizes[best].x_ppem, face->available_sizes[best].y_ppem, 0, 0) == 0) {
*xsize = face->available_sizes[best].x_ppem;
*ysize = face->available_sizes[best].y_ppem;
} else {
int err = 1;
if (!(face->face_flags & FT_FACE_FLAG_SCALABLE) && ysize == 0 && face->num_fixed_sizes >= 1) {
@ -719,14 +691,8 @@ bool QFontEngineFT::init(FaceId faceId, bool antialias, GlyphFormat format,
if (FT_IS_SCALABLE(face)) {
bool fake_oblique = (fontDef.style != QFont::StyleNormal) && !(face->style_flags & FT_STYLE_FLAG_ITALIC);
if (fake_oblique) {
#if !defined(Q_HAS_FT_GLYPHSLOT_OBLIQUE)
matrix.xy = 0x10000*3/10;
transform = true;
#else
if (fake_oblique)
obliquen = true;
#endif
}
FT_Set_Transform(face, &matrix, 0);
freetype->matrix = matrix;
// fake bold
@ -758,7 +724,7 @@ bool QFontEngineFT::init(FaceId faceId, bool antialias, GlyphFormat format,
*/
if (FT_IS_SCALABLE(face)) {
for (int i = 0; i < face->num_fixed_sizes; ++i) {
if (xsize == X_SIZE(face, i) && ysize == Y_SIZE(face, i)) {
if (xsize == face->available_sizes[i].x_ppem && ysize == face->available_sizes[i].y_ppem) {
face->face_flags &= ~FT_FACE_FLAG_SCALABLE;
FT_Select_Size(face, i);
@ -908,9 +874,10 @@ QFontEngineFT::Glyph *QFontEngineFT::loadGlyph(QGlyphSet *set, uint glyph,
FT_GlyphSlot slot = face->glyph;
if (embolden) Q_FT_GLYPHSLOT_EMBOLDEN(slot);
if (embolden)
FT_GlyphSlot_Embolden(slot);
if (obliquen) {
Q_FT_GLYPHSLOT_OBLIQUE(slot);
FT_GlyphSlot_Oblique(slot);
// While Embolden alters the metrics of the slot, oblique does not, so we need
// to fix this ourselves.
@ -1512,8 +1479,10 @@ void QFontEngineFT::addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int
FT_GlyphSlot g = face->glyph;
if (g->format != FT_GLYPH_FORMAT_OUTLINE)
continue;
if (embolden) Q_FT_GLYPHSLOT_EMBOLDEN(g);
if (obliquen) Q_FT_GLYPHSLOT_OBLIQUE(g);
if (embolden)
FT_GlyphSlot_Embolden(g);
if (obliquen)
FT_GlyphSlot_Oblique(g);
QFreetypeFace::addGlyphToPath(face, g, positions[gl], path, xsize, ysize);
}
unlockFace();