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-rw-r--r--src/fontcache.cpp397
-rw-r--r--src/settings.cpp4
-rw-r--r--src/table/misc_settings.ini24
3 files changed, 244 insertions, 181 deletions
diff --git a/src/fontcache.cpp b/src/fontcache.cpp
index ac09a3e93..50600de40 100644
--- a/src/fontcache.cpp
+++ b/src/fontcache.cpp
@@ -199,16 +199,16 @@ bool SpriteFontCache::GetDrawGlyphShadow()
/* static */ FontCache *FontCache::caches[FS_END] = { new SpriteFontCache(FS_NORMAL), new SpriteFontCache(FS_SMALL), new SpriteFontCache(FS_LARGE), new SpriteFontCache(FS_MONO) };
-#ifdef WITH_FREETYPE
-#include <ft2build.h>
-#include FT_FREETYPE_H
-#include FT_GLYPH_H
-#include FT_TRUETYPE_TABLES_H
+#if defined(WITH_FREETYPE)
-/** Font cache for fonts that are based on a freetype font. */
-class FreeTypeFontCache : public FontCache {
-private:
- FT_Face face; ///< The font face associated with this font.
+FreeTypeSettings _freetype;
+
+static const byte FACE_COLOUR = 1;
+static const byte SHADOW_COLOUR = 2;
+
+/** Font cache for fonts that are based on a TrueType font. */
+class TrueTypeFontCache : public FontCache {
+protected:
int req_size; ///< Requested font size.
int used_size; ///< Used font size.
@@ -239,31 +239,233 @@ private:
GlyphEntry *GetGlyphPtr(GlyphID key);
void SetGlyphPtr(GlyphID key, const GlyphEntry *glyph, bool duplicate = false);
- void SetFontSize(FontSize fs, FT_Face face, int pixels);
+
+ virtual const void *InternalGetFontTable(uint32 tag, size_t &length) = 0;
+ virtual const Sprite *InternalGetGlyph(GlyphID key, bool aa) = 0;
public:
- FreeTypeFontCache(FontSize fs, FT_Face face, int pixels);
- ~FreeTypeFontCache();
+ TrueTypeFontCache(FontSize fs, int pixels);
+ virtual ~TrueTypeFontCache();
virtual int GetFontSize() const { return this->used_size; }
virtual SpriteID GetUnicodeGlyph(WChar key) { return this->parent->GetUnicodeGlyph(key); }
virtual void SetUnicodeGlyph(WChar key, SpriteID sprite) { this->parent->SetUnicodeGlyph(key, sprite); }
virtual void InitializeUnicodeGlyphMap() { this->parent->InitializeUnicodeGlyphMap(); }
- virtual void ClearFontCache();
virtual const Sprite *GetGlyph(GlyphID key);
+ virtual const void *GetFontTable(uint32 tag, size_t &length);
+ virtual void ClearFontCache();
virtual uint GetGlyphWidth(GlyphID key);
virtual bool GetDrawGlyphShadow();
+ virtual bool IsBuiltInFont() { return false; }
+};
+
+/**
+ * Create a new TrueTypeFontCache.
+ * @param fs The font size that is going to be cached.
+ * @param pixels The number of pixels this font should be high.
+ */
+TrueTypeFontCache::TrueTypeFontCache(FontSize fs, int pixels) : FontCache(fs), req_size(pixels), glyph_to_sprite(nullptr)
+{
+}
+
+/**
+ * Free everything that was allocated for this font cache.
+ */
+TrueTypeFontCache::~TrueTypeFontCache()
+{
+ this->ClearFontCache();
+
+ for (auto &iter : this->font_tables) {
+ free(iter.second.second);
+ }
+}
+
+/**
+ * Reset cached glyphs.
+ */
+void TrueTypeFontCache::ClearFontCache()
+{
+ if (this->glyph_to_sprite == nullptr) return;
+
+ for (int i = 0; i < 256; i++) {
+ if (this->glyph_to_sprite[i] == nullptr) continue;
+
+ for (int j = 0; j < 256; j++) {
+ if (this->glyph_to_sprite[i][j].duplicate) continue;
+ free(this->glyph_to_sprite[i][j].sprite);
+ }
+
+ free(this->glyph_to_sprite[i]);
+ }
+
+ free(this->glyph_to_sprite);
+ this->glyph_to_sprite = nullptr;
+
+ Layouter::ResetFontCache(this->fs);
+}
+
+
+TrueTypeFontCache::GlyphEntry *TrueTypeFontCache::GetGlyphPtr(GlyphID key)
+{
+ if (this->glyph_to_sprite == nullptr) return nullptr;
+ if (this->glyph_to_sprite[GB(key, 8, 8)] == nullptr) return nullptr;
+ return &this->glyph_to_sprite[GB(key, 8, 8)][GB(key, 0, 8)];
+}
+
+void TrueTypeFontCache::SetGlyphPtr(GlyphID key, const GlyphEntry *glyph, bool duplicate)
+{
+ if (this->glyph_to_sprite == nullptr) {
+ DEBUG(freetype, 3, "Allocating root glyph cache for size %u", this->fs);
+ this->glyph_to_sprite = CallocT<GlyphEntry*>(256);
+ }
+
+ if (this->glyph_to_sprite[GB(key, 8, 8)] == nullptr) {
+ DEBUG(freetype, 3, "Allocating glyph cache for range 0x%02X00, size %u", GB(key, 8, 8), this->fs);
+ this->glyph_to_sprite[GB(key, 8, 8)] = CallocT<GlyphEntry>(256);
+ }
+
+ DEBUG(freetype, 4, "Set glyph for unicode character 0x%04X, size %u", key, this->fs);
+ this->glyph_to_sprite[GB(key, 8, 8)][GB(key, 0, 8)].sprite = glyph->sprite;
+ this->glyph_to_sprite[GB(key, 8, 8)][GB(key, 0, 8)].width = glyph->width;
+ this->glyph_to_sprite[GB(key, 8, 8)][GB(key, 0, 8)].duplicate = duplicate;
+}
+
+static void *AllocateFont(size_t size)
+{
+ return MallocT<byte>(size);
+}
+
+
+/* Check if a glyph should be rendered with anti-aliasing. */
+static bool GetFontAAState(FontSize size)
+{
+ /* AA is only supported for 32 bpp */
+ if (BlitterFactory::GetCurrentBlitter()->GetScreenDepth() != 32) return false;
+
+ switch (size) {
+ default: NOT_REACHED();
+ case FS_NORMAL: return _freetype.medium.aa;
+ case FS_SMALL: return _freetype.small.aa;
+ case FS_LARGE: return _freetype.large.aa;
+ case FS_MONO: return _freetype.mono.aa;
+ }
+}
+
+bool TrueTypeFontCache::GetDrawGlyphShadow()
+{
+ return this->fs == FS_NORMAL && GetFontAAState(FS_NORMAL);
+}
+
+uint TrueTypeFontCache::GetGlyphWidth(GlyphID key)
+{
+ if ((key & SPRITE_GLYPH) != 0) return this->parent->GetGlyphWidth(key);
+
+ GlyphEntry *glyph = this->GetGlyphPtr(key);
+ if (glyph == nullptr || glyph->sprite == nullptr) {
+ this->GetGlyph(key);
+ glyph = this->GetGlyphPtr(key);
+ }
+
+ return glyph->width;
+}
+
+const Sprite *TrueTypeFontCache::GetGlyph(GlyphID key)
+{
+ if ((key & SPRITE_GLYPH) != 0) return this->parent->GetGlyph(key);
+
+ /* Check for the glyph in our cache */
+ GlyphEntry *glyph = this->GetGlyphPtr(key);
+ if (glyph != nullptr && glyph->sprite != nullptr) return glyph->sprite;
+
+ if (key == 0) {
+ GlyphID question_glyph = this->MapCharToGlyph('?');
+ if (question_glyph == 0) {
+ /* The font misses the '?' character. Use built-in sprite.
+ * Note: We cannot use the baseset as this also has to work in the bootstrap GUI. */
+#define CPSET { 0, 0, 0, 0, 1 }
+#define CP___ { 0, 0, 0, 0, 0 }
+ static SpriteLoader::CommonPixel builtin_questionmark_data[10 * 8] = {
+ CP___, CP___, CPSET, CPSET, CPSET, CPSET, CP___, CP___,
+ CP___, CPSET, CPSET, CP___, CP___, CPSET, CPSET, CP___,
+ CP___, CP___, CP___, CP___, CP___, CPSET, CPSET, CP___,
+ CP___, CP___, CP___, CP___, CPSET, CPSET, CP___, CP___,
+ CP___, CP___, CP___, CPSET, CPSET, CP___, CP___, CP___,
+ CP___, CP___, CP___, CPSET, CPSET, CP___, CP___, CP___,
+ CP___, CP___, CP___, CPSET, CPSET, CP___, CP___, CP___,
+ CP___, CP___, CP___, CP___, CP___, CP___, CP___, CP___,
+ CP___, CP___, CP___, CPSET, CPSET, CP___, CP___, CP___,
+ CP___, CP___, CP___, CPSET, CPSET, CP___, CP___, CP___,
+ };
+#undef CPSET
+#undef CP___
+ static const SpriteLoader::Sprite builtin_questionmark = {
+ 10, // height
+ 8, // width
+ 0, // x_offs
+ 0, // y_offs
+ ST_FONT,
+ builtin_questionmark_data
+ };
+
+ Sprite *spr = BlitterFactory::GetCurrentBlitter()->Encode(&builtin_questionmark, AllocateFont);
+ assert(spr != nullptr);
+ GlyphEntry new_glyph;
+ new_glyph.sprite = spr;
+ new_glyph.width = spr->width + (this->fs != FS_NORMAL);
+ this->SetGlyphPtr(key, &new_glyph, false);
+ return new_glyph.sprite;
+ } else {
+ /* Use '?' for missing characters. */
+ this->GetGlyph(question_glyph);
+ glyph = this->GetGlyphPtr(question_glyph);
+ this->SetGlyphPtr(key, glyph, true);
+ return glyph->sprite;
+ }
+ }
+
+ return this->InternalGetGlyph(key, GetFontAAState(this->fs));
+}
+
+const void *TrueTypeFontCache::GetFontTable(uint32 tag, size_t &length)
+{
+ const FontTable::iterator iter = this->font_tables.Find(tag);
+ if (iter != this->font_tables.data() + this->font_tables.size()) {
+ length = iter->second.first;
+ return iter->second.second;
+ }
+
+ const void *result = this->InternalGetFontTable(tag, length);
+
+ this->font_tables.Insert(tag, SmallPair<size_t, const void *>(length, result));
+ return result;
+}
+
+
+#ifdef WITH_FREETYPE
+#include <ft2build.h>
+#include FT_FREETYPE_H
+#include FT_GLYPH_H
+#include FT_TRUETYPE_TABLES_H
+
+/** Font cache for fonts that are based on a freetype font. */
+class FreeTypeFontCache : public TrueTypeFontCache {
+private:
+ FT_Face face; ///< The font face associated with this font.
+
+ void SetFontSize(FontSize fs, FT_Face face, int pixels);
+ virtual const void *InternalGetFontTable(uint32 tag, size_t &length);
+ virtual const Sprite *InternalGetGlyph(GlyphID key, bool aa);
+
+public:
+ FreeTypeFontCache(FontSize fs, FT_Face face, int pixels);
+ ~FreeTypeFontCache();
+ virtual void ClearFontCache();
virtual GlyphID MapCharToGlyph(WChar key);
- virtual const void *GetFontTable(uint32 tag, size_t &length);
virtual const char *GetFontName() { return face->family_name; }
virtual bool IsBuiltInFont() { return false; }
};
FT_Library _library = nullptr;
-FreeTypeSettings _freetype;
-
-static const byte FACE_COLOUR = 1;
-static const byte SHADOW_COLOUR = 2;
/**
* Create a new FreeTypeFontCache.
@@ -271,7 +473,7 @@ static const byte SHADOW_COLOUR = 2;
* @param face The font that has to be loaded.
* @param pixels The number of pixels this font should be high.
*/
-FreeTypeFontCache::FreeTypeFontCache(FontSize fs, FT_Face face, int pixels) : FontCache(fs), face(face), req_size(pixels), glyph_to_sprite(nullptr)
+FreeTypeFontCache::FreeTypeFontCache(FontSize fs, FT_Face face, int pixels) : TrueTypeFontCache(fs, pixels), face(face)
{
assert(face != nullptr);
@@ -410,10 +612,6 @@ FreeTypeFontCache::~FreeTypeFontCache()
FT_Done_Face(this->face);
this->face = nullptr;
this->ClearFontCache();
-
- for (auto &iter : this->font_tables) {
- free(iter.second.second);
- }
}
/**
@@ -424,130 +622,14 @@ void FreeTypeFontCache::ClearFontCache()
/* Font scaling might have changed, determine font size anew if it was automatically selected. */
if (this->face != nullptr) this->SetFontSize(this->fs, this->face, this->req_size);
- if (this->glyph_to_sprite == nullptr) return;
-
- for (int i = 0; i < 256; i++) {
- if (this->glyph_to_sprite[i] == nullptr) continue;
-
- for (int j = 0; j < 256; j++) {
- if (this->glyph_to_sprite[i][j].duplicate) continue;
- free(this->glyph_to_sprite[i][j].sprite);
- }
-
- free(this->glyph_to_sprite[i]);
- }
-
- free(this->glyph_to_sprite);
- this->glyph_to_sprite = nullptr;
-
- Layouter::ResetFontCache(this->fs);
-}
-
-FreeTypeFontCache::GlyphEntry *FreeTypeFontCache::GetGlyphPtr(GlyphID key)
-{
- if (this->glyph_to_sprite == nullptr) return nullptr;
- if (this->glyph_to_sprite[GB(key, 8, 8)] == nullptr) return nullptr;
- return &this->glyph_to_sprite[GB(key, 8, 8)][GB(key, 0, 8)];
-}
-
-
-void FreeTypeFontCache::SetGlyphPtr(GlyphID key, const GlyphEntry *glyph, bool duplicate)
-{
- if (this->glyph_to_sprite == nullptr) {
- DEBUG(freetype, 3, "Allocating root glyph cache for size %u", this->fs);
- this->glyph_to_sprite = CallocT<GlyphEntry*>(256);
- }
-
- if (this->glyph_to_sprite[GB(key, 8, 8)] == nullptr) {
- DEBUG(freetype, 3, "Allocating glyph cache for range 0x%02X00, size %u", GB(key, 8, 8), this->fs);
- this->glyph_to_sprite[GB(key, 8, 8)] = CallocT<GlyphEntry>(256);
- }
-
- DEBUG(freetype, 4, "Set glyph for unicode character 0x%04X, size %u", key, this->fs);
- this->glyph_to_sprite[GB(key, 8, 8)][GB(key, 0, 8)].sprite = glyph->sprite;
- this->glyph_to_sprite[GB(key, 8, 8)][GB(key, 0, 8)].width = glyph->width;
- this->glyph_to_sprite[GB(key, 8, 8)][GB(key, 0, 8)].duplicate = duplicate;
-}
-
-static void *AllocateFont(size_t size)
-{
- return MallocT<byte>(size);
+ this->TrueTypeFontCache::ClearFontCache();
}
-/* Check if a glyph should be rendered with antialiasing */
-static bool GetFontAAState(FontSize size)
+const Sprite *FreeTypeFontCache::InternalGetGlyph(GlyphID key, bool aa)
{
- /* AA is only supported for 32 bpp */
- if (BlitterFactory::GetCurrentBlitter()->GetScreenDepth() != 32) return false;
-
- switch (size) {
- default: NOT_REACHED();
- case FS_NORMAL: return _freetype.medium.aa;
- case FS_SMALL: return _freetype.small.aa;
- case FS_LARGE: return _freetype.large.aa;
- case FS_MONO: return _freetype.mono.aa;
- }
-}
-
-
-const Sprite *FreeTypeFontCache::GetGlyph(GlyphID key)
-{
- if ((key & SPRITE_GLYPH) != 0) return this->parent->GetGlyph(key);
-
- /* Check for the glyph in our cache */
- GlyphEntry *glyph = this->GetGlyphPtr(key);
- if (glyph != nullptr && glyph->sprite != nullptr) return glyph->sprite;
-
FT_GlyphSlot slot = this->face->glyph;
- bool aa = GetFontAAState(this->fs);
-
- GlyphEntry new_glyph;
- if (key == 0) {
- GlyphID question_glyph = this->MapCharToGlyph('?');
- if (question_glyph == 0) {
- /* The font misses the '?' character. Use built-in sprite.
- * Note: We cannot use the baseset as this also has to work in the bootstrap GUI. */
-#define CPSET { 0, 0, 0, 0, 1 }
-#define CP___ { 0, 0, 0, 0, 0 }
- static SpriteLoader::CommonPixel builtin_questionmark_data[10 * 8] = {
- CP___, CP___, CPSET, CPSET, CPSET, CPSET, CP___, CP___,
- CP___, CPSET, CPSET, CP___, CP___, CPSET, CPSET, CP___,
- CP___, CP___, CP___, CP___, CP___, CPSET, CPSET, CP___,
- CP___, CP___, CP___, CP___, CPSET, CPSET, CP___, CP___,
- CP___, CP___, CP___, CPSET, CPSET, CP___, CP___, CP___,
- CP___, CP___, CP___, CPSET, CPSET, CP___, CP___, CP___,
- CP___, CP___, CP___, CPSET, CPSET, CP___, CP___, CP___,
- CP___, CP___, CP___, CP___, CP___, CP___, CP___, CP___,
- CP___, CP___, CP___, CPSET, CPSET, CP___, CP___, CP___,
- CP___, CP___, CP___, CPSET, CPSET, CP___, CP___, CP___,
- };
-#undef CPSET
-#undef CP___
- static const SpriteLoader::Sprite builtin_questionmark = {
- 10, // height
- 8, // width
- 0, // x_offs
- 0, // y_offs
- ST_FONT,
- builtin_questionmark_data
- };
-
- Sprite *spr = BlitterFactory::GetCurrentBlitter()->Encode(&builtin_questionmark, AllocateFont);
- assert(spr != nullptr);
- new_glyph.sprite = spr;
- new_glyph.width = spr->width + (this->fs != FS_NORMAL);
- this->SetGlyphPtr(key, &new_glyph, false);
- return new_glyph.sprite;
- } else {
- /* Use '?' for missing characters. */
- this->GetGlyph(question_glyph);
- glyph = this->GetGlyphPtr(question_glyph);
- this->SetGlyphPtr(key, glyph, true);
- return glyph->sprite;
- }
- }
FT_Load_Glyph(this->face, key, aa ? FT_LOAD_TARGET_NORMAL : FT_LOAD_TARGET_MONO);
FT_Render_Glyph(this->face->glyph, aa ? FT_RENDER_MODE_NORMAL : FT_RENDER_MODE_MONO);
@@ -591,6 +673,7 @@ const Sprite *FreeTypeFontCache::GetGlyph(GlyphID key)
}
}
+ GlyphEntry new_glyph;
new_glyph.sprite = BlitterFactory::GetCurrentBlitter()->Encode(&sprite, AllocateFont);
new_glyph.width = slot->advance.x >> 6;
@@ -600,25 +683,6 @@ const Sprite *FreeTypeFontCache::GetGlyph(GlyphID key)
}
-bool FreeTypeFontCache::GetDrawGlyphShadow()
-{
- return this->fs == FS_NORMAL && GetFontAAState(FS_NORMAL);
-}
-
-
-uint FreeTypeFontCache::GetGlyphWidth(GlyphID key)
-{
- if ((key & SPRITE_GLYPH) != 0) return this->parent->GetGlyphWidth(key);
-
- GlyphEntry *glyph = this->GetGlyphPtr(key);
- if (glyph == nullptr || glyph->sprite == nullptr) {
- this->GetGlyph(key);
- glyph = this->GetGlyphPtr(key);
- }
-
- return glyph->width;
-}
-
GlyphID FreeTypeFontCache::MapCharToGlyph(WChar key)
{
assert(IsPrintable(key));
@@ -630,14 +694,8 @@ GlyphID FreeTypeFontCache::MapCharToGlyph(WChar key)
return FT_Get_Char_Index(this->face, key);
}
-const void *FreeTypeFontCache::GetFontTable(uint32 tag, size_t &length)
+const void *FreeTypeFontCache::InternalGetFontTable(uint32 tag, size_t &length)
{
- const FontTable::iterator iter = this->font_tables.Find(tag);
- if (iter != this->font_tables.data() + this->font_tables.size()) {
- length = iter->second.first;
- return iter->second.second;
- }
-
FT_ULong len = 0;
FT_Byte *result = nullptr;
@@ -647,14 +705,15 @@ const void *FreeTypeFontCache::GetFontTable(uint32 tag, size_t &length)
result = MallocT<FT_Byte>(len);
FT_Load_Sfnt_Table(this->face, tag, 0, result, &len);
}
- length = len;
- this->font_tables.Insert(tag, SmallPair<size_t, const void *>(length, result));
+ length = len;
return result;
}
#endif /* WITH_FREETYPE */
+#endif /* defined(WITH_FREETYPE) */
+
/**
* (Re)initialize the freetype related things, i.e. load the non-sprite fonts.
* @param monospace Whether to initialise the monospace or regular fonts.
diff --git a/src/settings.cpp b/src/settings.cpp
index 5c0dc4a98..74a8bd8d8 100644
--- a/src/settings.cpp
+++ b/src/settings.cpp
@@ -68,6 +68,10 @@
#include "void_map.h"
#include "station_base.h"
+#if defined(WITH_FREETYPE)
+#define HAS_TRUETYPE_FONT
+#endif
+
#include "table/strings.h"
#include "table/settings.h"
diff --git a/src/table/misc_settings.ini b/src/table/misc_settings.ini
index a1159aee0..f920f515d 100644
--- a/src/table/misc_settings.ini
+++ b/src/table/misc_settings.ini
@@ -144,35 +144,35 @@ var = _rightclick_emulate
def = false
[SDTG_STR]
-ifdef = WITH_FREETYPE
+ifdef = HAS_TRUETYPE_FONT
name = ""small_font""
type = SLE_STRB
var = _freetype.small.font
def = nullptr
[SDTG_STR]
-ifdef = WITH_FREETYPE
+ifdef = HAS_TRUETYPE_FONT
name = ""medium_font""
type = SLE_STRB
var = _freetype.medium.font
def = nullptr
[SDTG_STR]
-ifdef = WITH_FREETYPE
+ifdef = HAS_TRUETYPE_FONT
name = ""large_font""
type = SLE_STRB
var = _freetype.large.font
def = nullptr
[SDTG_STR]
-ifdef = WITH_FREETYPE
+ifdef = HAS_TRUETYPE_FONT
name = ""mono_font""
type = SLE_STRB
var = _freetype.mono.font
def = nullptr
[SDTG_VAR]
-ifdef = WITH_FREETYPE
+ifdef = HAS_TRUETYPE_FONT
name = ""small_size""
type = SLE_UINT
var = _freetype.small.size
@@ -181,7 +181,7 @@ min = 0
max = 72
[SDTG_VAR]
-ifdef = WITH_FREETYPE
+ifdef = HAS_TRUETYPE_FONT
name = ""medium_size""
type = SLE_UINT
var = _freetype.medium.size
@@ -190,7 +190,7 @@ min = 0
max = 72
[SDTG_VAR]
-ifdef = WITH_FREETYPE
+ifdef = HAS_TRUETYPE_FONT
name = ""large_size""
type = SLE_UINT
var = _freetype.large.size
@@ -199,7 +199,7 @@ min = 0
max = 72
[SDTG_VAR]
-ifdef = WITH_FREETYPE
+ifdef = HAS_TRUETYPE_FONT
name = ""mono_size""
type = SLE_UINT
var = _freetype.mono.size
@@ -208,25 +208,25 @@ min = 0
max = 72
[SDTG_BOOL]
-ifdef = WITH_FREETYPE
+ifdef = HAS_TRUETYPE_FONT
name = ""small_aa""
var = _freetype.small.aa
def = false
[SDTG_BOOL]
-ifdef = WITH_FREETYPE
+ifdef = HAS_TRUETYPE_FONT
name = ""medium_aa""
var = _freetype.medium.aa
def = false
[SDTG_BOOL]
-ifdef = WITH_FREETYPE
+ifdef = HAS_TRUETYPE_FONT
name = ""large_aa""
var = _freetype.large.aa
def = false
[SDTG_BOOL]
-ifdef = WITH_FREETYPE
+ifdef = HAS_TRUETYPE_FONT
name = ""mono_aa""
var = _freetype.mono.aa
def = false
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-11-29 09:12:16 +0000