summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/fontcache.cpp275
-rw-r--r--src/fontcache.h4
-rw-r--r--src/fontdetection.cpp10
-rw-r--r--src/fontdetection.h5
-rw-r--r--src/settings.cpp4
-rw-r--r--src/strings.cpp4
-rw-r--r--src/textfile_gui.cpp2
7 files changed, 293 insertions, 11 deletions
diff --git a/src/fontcache.cpp b/src/fontcache.cpp
index 50600de40..778af3440 100644
--- a/src/fontcache.cpp
+++ b/src/fontcache.cpp
@@ -199,7 +199,7 @@ 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) };
-#if defined(WITH_FREETYPE)
+#if defined(WITH_FREETYPE) || defined(_WIN32)
FreeTypeSettings _freetype;
@@ -710,9 +710,278 @@ const void *FreeTypeFontCache::InternalGetFontTable(uint32 tag, size_t &length)
return result;
}
+#elif defined(_WIN32)
+
+#include "os/windows/win32.h"
+#ifndef ANTIALIASED_QUALITY
+#define ANTIALIASED_QUALITY 4
+#endif
+
+/** Font cache for fonts that are based on a Win32 font. */
+class Win32FontCache : public TrueTypeFontCache {
+private:
+ LOGFONT logfont; ///< Logical font information for selecting the font face.
+ HFONT font = nullptr; ///< The font face associated with this font.
+ HDC dc = nullptr; ///< Cached GDI device context.
+ HGDIOBJ old_font; ///< Old font selected into the GDI context.
+ SIZE glyph_size; ///< Maximum size of regular glyphs.
+
+ void SetFontSize(FontSize fs, int pixels);
+ virtual const void *InternalGetFontTable(uint32 tag, size_t &length);
+ virtual const Sprite *InternalGetGlyph(GlyphID key, bool aa);
+
+public:
+ Win32FontCache(FontSize fs, const LOGFONT &logfont, int pixels);
+ ~Win32FontCache();
+ virtual void ClearFontCache();
+ virtual GlyphID MapCharToGlyph(WChar key);
+ virtual const char *GetFontName() { return WIDE_TO_MB(this->logfont.lfFaceName); }
+ virtual bool IsBuiltInFont() { return false; }
+};
+
+
+/**
+ * Create a new Win32FontCache.
+ * @param fs The font size that is going to be cached.
+ * @param logfont The font that has to be loaded.
+ * @param pixels The number of pixels this font should be high.
+ */
+Win32FontCache::Win32FontCache(FontSize fs, const LOGFONT &logfont, int pixels) : TrueTypeFontCache(fs, pixels), logfont(logfont)
+{
+ this->dc = CreateCompatibleDC(nullptr);
+ this->SetFontSize(fs, pixels);
+}
+
+Win32FontCache::~Win32FontCache()
+{
+ this->ClearFontCache();
+ DeleteDC(this->dc);
+ DeleteObject(this->font);
+}
+
+void Win32FontCache::SetFontSize(FontSize fs, int pixels)
+{
+ if (pixels == 0) {
+ /* Try to determine a good height based on the minimal height recommended by the font. */
+ int scaled_height = ScaleFontTrad(_default_font_height[this->fs]);
+ pixels = scaled_height;
+
+ HFONT temp = CreateFontIndirect(&this->logfont);
+ if (temp != nullptr) {
+ HGDIOBJ old = SelectObject(this->dc, temp);
+
+ UINT size = GetOutlineTextMetrics(this->dc, 0, nullptr);
+ LPOUTLINETEXTMETRIC otm = (LPOUTLINETEXTMETRIC)AllocaM(BYTE, size);
+ GetOutlineTextMetrics(this->dc, size, otm);
+
+ /* Font height is minimum height plus the difference between the default
+ * height for this font size and the small size. */
+ int diff = scaled_height - ScaleFontTrad(_default_font_height[FS_SMALL]);
+ pixels = Clamp(min(otm->otmusMinimumPPEM, 20) + diff, scaled_height, MAX_FONT_SIZE);
+
+ SelectObject(dc, old);
+ DeleteObject(temp);
+ }
+ } else {
+ pixels = ScaleFontTrad(pixels);
+ }
+ this->used_size = pixels;
+
+ /* Create GDI font handle. */
+ this->logfont.lfHeight = -pixels;
+ this->logfont.lfWidth = 0;
+ this->logfont.lfOutPrecision = ANTIALIASED_QUALITY;
+
+ if (this->font != nullptr) {
+ SelectObject(dc, this->old_font);
+ DeleteObject(this->font);
+ }
+ this->font = CreateFontIndirect(&this->logfont);
+ this->old_font = SelectObject(this->dc, this->font);
+
+ /* Query the font metrics we needed. */
+ UINT otmSize = GetOutlineTextMetrics(this->dc, 0, nullptr);
+ POUTLINETEXTMETRIC otm = (POUTLINETEXTMETRIC)AllocaM(BYTE, otmSize);
+ GetOutlineTextMetrics(this->dc, otmSize, otm);
+
+ this->units_per_em = otm->otmEMSquare;
+ this->ascender = otm->otmTextMetrics.tmAscent;
+ this->descender = otm->otmTextMetrics.tmDescent;
+ this->height = this->ascender + this->descender;
+ this->glyph_size.cx = otm->otmTextMetrics.tmMaxCharWidth;
+ this->glyph_size.cy = otm->otmTextMetrics.tmHeight;
+
+ DEBUG(freetype, 2, "Loaded font '%s' with size %d", FS2OTTD((LPTSTR)((BYTE *)otm + (ptrdiff_t)otm->otmpFullName)), pixels);
+}
+
+/**
+ * Reset cached glyphs.
+ */
+void Win32FontCache::ClearFontCache()
+{
+ /* GUI scaling might have changed, determine font size anew if it was automatically selected. */
+ if (this->font != nullptr) this->SetFontSize(this->fs, this->req_size);
+
+ this->TrueTypeFontCache::ClearFontCache();
+}
+
+/* virtual */ const Sprite *Win32FontCache::InternalGetGlyph(GlyphID key, bool aa)
+{
+ GLYPHMETRICS gm;
+ MAT2 mat = { {0, 1}, {0, 0}, {0, 0}, {0, 1} };
+
+ /* Make a guess for the needed memory size. */
+ DWORD size = this->glyph_size.cy * Align(aa ? this->glyph_size.cx : max(this->glyph_size.cx / 8l, 1l), 4); // Bitmap data is DWORD-aligned rows.
+ byte *bmp = AllocaM(byte, size);
+ size = GetGlyphOutline(this->dc, key, GGO_GLYPH_INDEX | (aa ? GGO_GRAY8_BITMAP : GGO_BITMAP), &gm, size, bmp, &mat);
+
+ if (size == GDI_ERROR) {
+ /* No dice with the guess. First query size of needed glyph memory, then allocate the
+ * memory and query again. This dance is necessary as some glyphs will only render with
+ * the exact matching size; e.g. the space glyph has no pixels and must be requested
+ * with size == 0, anything else fails. Unfortunately, a failed call doesn't return any
+ * info about the size and thus the triple GetGlyphOutline()-call. */
+ size = GetGlyphOutline(this->dc, key, GGO_GLYPH_INDEX | (aa ? GGO_GRAY8_BITMAP : GGO_BITMAP), &gm, 0, nullptr, &mat);
+ if (size == GDI_ERROR) usererror("Unable to render font glyph");
+ bmp = AllocaM(byte, size);
+ GetGlyphOutline(this->dc, key, GGO_GLYPH_INDEX | (aa ? GGO_GRAY8_BITMAP : GGO_BITMAP), &gm, size, bmp, &mat);
+ }
+
+ /* Add 1 pixel for the shadow on the medium font. Our sprite must be at least 1x1 pixel. */
+ uint width = max(1U, (uint)gm.gmBlackBoxX + (this->fs == FS_NORMAL));
+ uint height = max(1U, (uint)gm.gmBlackBoxY + (this->fs == FS_NORMAL));
+
+ /* Limit glyph size to prevent overflows later on. */
+ if (width > 256 || height > 256) usererror("Font glyph is too large");
+
+ /* GDI has rendered the glyph, now we allocate a sprite and copy the image into it. */
+ SpriteLoader::Sprite sprite;
+ sprite.AllocateData(ZOOM_LVL_NORMAL, width * height);
+ sprite.type = ST_FONT;
+ sprite.width = width;
+ sprite.height = height;
+ sprite.x_offs = gm.gmptGlyphOrigin.x;
+ sprite.y_offs = this->ascender - gm.gmptGlyphOrigin.y;
+
+ if (size > 0) {
+ /* All pixel data returned by GDI is in the form of DWORD-aligned rows.
+ * For a non anti-aliased glyph, the returned bitmap has one bit per pixel.
+ * For anti-aliased rendering, GDI uses the strange value range of 0 to 64,
+ * inclusively. To map this to 0 to 255, we shift left by two and then
+ * subtract one. */
+ uint pitch = Align(aa ? gm.gmBlackBoxX : max(gm.gmBlackBoxX / 8u, 1u), 4);
+
+ /* Draw shadow for medium size. */
+ if (this->fs == FS_NORMAL && !aa) {
+ for (uint y = 0; y < gm.gmBlackBoxY; y++) {
+ for (uint x = 0; x < gm.gmBlackBoxX; x++) {
+ if (aa ? (bmp[x + y * pitch] > 0) : HasBit(bmp[(x / 8) + y * pitch], 7 - (x % 8))) {
+ sprite.data[1 + x + (1 + y) * sprite.width].m = SHADOW_COLOUR;
+ sprite.data[1 + x + (1 + y) * sprite.width].a = aa ? (bmp[x + y * pitch] << 2) - 1 : 0xFF;
+ }
+ }
+ }
+ }
+
+ for (uint y = 0; y < gm.gmBlackBoxY; y++) {
+ for (uint x = 0; x < gm.gmBlackBoxX; x++) {
+ if (aa ? (bmp[x + y * pitch] > 0) : HasBit(bmp[(x / 8) + y * pitch], 7 - (x % 8))) {
+ sprite.data[x + y * sprite.width].m = FACE_COLOUR;
+ sprite.data[x + y * sprite.width].a = aa ? (bmp[x + y * pitch] << 2) - 1 : 0xFF;
+ }
+ }
+ }
+ }
+
+ GlyphEntry new_glyph;
+ new_glyph.sprite = BlitterFactory::GetCurrentBlitter()->Encode(&sprite, AllocateFont);
+ new_glyph.width = gm.gmCellIncX;
+
+ this->SetGlyphPtr(key, &new_glyph);
+
+ return new_glyph.sprite;
+}
+
+/* virtual */ GlyphID Win32FontCache::MapCharToGlyph(WChar key)
+{
+ assert(IsPrintable(key));
+
+ if (key >= SCC_SPRITE_START && key <= SCC_SPRITE_END) {
+ return this->parent->MapCharToGlyph(key);
+ }
+
+ /* Convert characters outside of the BMP into surrogate pairs. */
+ WCHAR chars[2];
+ if (key >= 0x010000U) {
+ chars[0] = (WCHAR)(((key - 0x010000U) >> 10) + 0xD800);
+ chars[1] = (WCHAR)(((key - 0x010000U) & 0x3FF) + 0xDC00);
+ } else {
+ chars[0] = (WCHAR)(key & 0xFFFF);
+ }
+
+ WORD glyphs[2] = {0, 0};
+ GetGlyphIndicesW(this->dc, chars, key >= 0x010000U ? 2 : 1, glyphs, GGI_MARK_NONEXISTING_GLYPHS);
+
+ return glyphs[0] != 0xFFFF ? glyphs[0] : 0;
+}
+
+/* virtual */ const void *Win32FontCache::InternalGetFontTable(uint32 tag, size_t &length)
+{
+ DWORD len = GetFontData(this->dc, tag, 0, nullptr, 0);
+
+ void *result = nullptr;
+ if (len != GDI_ERROR && len > 0) {
+ result = MallocT<BYTE>(len);
+ GetFontData(this->dc, tag, 0, result, len);
+ }
+
+ length = len;
+ return result;
+}
+
+/**
+ * Loads the GDI font.
+ * If a GDI font description is present, e.g. from the automatic font
+ * fallback search, use it. Otherwise, try to resolve it by font name.
+ * @param fs The font size to load.
+ */
+static void LoadWin32Font(FontSize fs)
+{
+ FreeTypeSubSetting *settings = nullptr;
+ switch (fs) {
+ default: NOT_REACHED();
+ case FS_SMALL: settings = &_freetype.small; break;
+ case FS_NORMAL: settings = &_freetype.medium; break;
+ case FS_LARGE: settings = &_freetype.large; break;
+ case FS_MONO: settings = &_freetype.mono; break;
+ }
+
+ if (StrEmpty(settings->font)) return;
+
+ LOGFONT logfont;
+ MemSetT(&logfont, 0);
+
+ logfont.lfWeight = strcasestr(settings->font, " bold") != nullptr ? FW_BOLD : FW_NORMAL; // Poor man's way to allow selecting bold fonts.
+ logfont.lfPitchAndFamily = fs == FS_MONO ? FIXED_PITCH : VARIABLE_PITCH;
+ logfont.lfCharSet = DEFAULT_CHARSET;
+ logfont.lfOutPrecision = OUT_OUTLINE_PRECIS;
+ logfont.lfClipPrecision = CLIP_DEFAULT_PRECIS;
+ convert_to_fs(settings->font, logfont.lfFaceName, lengthof(logfont.lfFaceName), false);
+
+ HFONT font = CreateFontIndirect(&logfont);
+ if (font == nullptr) {
+ static const char *SIZE_TO_NAME[] = { "medium", "small", "large", "mono" };
+ ShowInfoF("Unable to use '%s' for %s font, Win32 reported error 0x%lX, using sprite font instead", settings->font, SIZE_TO_NAME[fs], GetLastError());
+ return;
+ }
+ DeleteObject(font);
+
+ new Win32FontCache(fs, logfont, settings->size);
+}
+
#endif /* WITH_FREETYPE */
-#endif /* defined(WITH_FREETYPE) */
+#endif /* defined(WITH_FREETYPE) || defined(_WIN32) */
/**
* (Re)initialize the freetype related things, i.e. load the non-sprite fonts.
@@ -728,6 +997,8 @@ void InitFreeType(bool monospace)
#ifdef WITH_FREETYPE
LoadFreeTypeFont(fs);
+#elif defined(_WIN32)
+ LoadWin32Font(fs);
#endif
}
}
diff --git a/src/fontcache.h b/src/fontcache.h
index 9a08ba09f..62ce596f3 100644
--- a/src/fontcache.h
+++ b/src/fontcache.h
@@ -202,7 +202,7 @@ static inline bool GetDrawGlyphShadow(FontSize size)
return FontCache::Get(size)->GetDrawGlyphShadow();
}
-#ifdef WITH_FREETYPE
+#if defined(WITH_FREETYPE) || defined(_WIN32)
/** Settings for a single freetype font. */
struct FreeTypeSubSetting {
@@ -221,7 +221,7 @@ struct FreeTypeSettings {
extern FreeTypeSettings _freetype;
-#endif /* WITH_FREETYPE */
+#endif /* defined(WITH_FREETYPE) || defined(_WIN32) */
void InitFreeType(bool monospace);
void UninitFreeType();
diff --git a/src/fontdetection.cpp b/src/fontdetection.cpp
index 3a5893e11..f7465a268 100644
--- a/src/fontdetection.cpp
+++ b/src/fontdetection.cpp
@@ -9,7 +9,7 @@
/** @file fontdetection.cpp Detection of the right font. */
-#ifdef WITH_FREETYPE
+#if defined(WITH_FREETYPE) || defined(_WIN32)
#include "stdafx.h"
#include "debug.h"
@@ -17,7 +17,9 @@
#include "string_func.h"
#include "strings_func.h"
+#ifdef WITH_FREETYPE
extern FT_Library _library;
+#endif /* WITH_FREETYPE */
/**
* Get the font loaded into a Freetype face by using a font-name.
@@ -37,6 +39,7 @@ extern FT_Library _library;
#include "safeguards.h"
+#ifdef WITH_FREETYPE
/**
* Get the short DOS 8.3 format for paths.
* FreeType doesn't support Unicode filenames and Windows' fopen (as used
@@ -241,6 +244,7 @@ err2:
err1:
return ret_font_name == nullptr ? WIDE_TO_MB((const TCHAR*)logfont->elfFullName) : ret_font_name;
}
+#endif /* WITH_FREETYPE */
class FontList {
protected:
@@ -317,6 +321,7 @@ static int CALLBACK EnumFontCallback(const ENUMLOGFONTEX *logfont, const NEWTEXT
char font_name[MAX_PATH];
convert_from_fs((const TCHAR *)logfont->elfFullName, font_name, lengthof(font_name));
+#ifdef WITH_FREETYPE
/* Add english name after font name */
const char *english_name = GetEnglishFontName(logfont);
strecpy(font_name + strlen(font_name) + 1, english_name, lastof(font_name));
@@ -337,6 +342,9 @@ static int CALLBACK EnumFontCallback(const ENUMLOGFONTEX *logfont, const NEWTEXT
}
if (!found) return 1;
+#else
+ const char *english_name = font_name;
+#endif /* WITH_FREETYPE */
info->callback->SetFontNames(info->settings, font_name);
if (info->callback->FindMissingGlyphs(nullptr)) return 1;
diff --git a/src/fontdetection.h b/src/fontdetection.h
index edb961e6d..01e0223cd 100644
--- a/src/fontdetection.h
+++ b/src/fontdetection.h
@@ -27,6 +27,9 @@
*/
FT_Error GetFontByFaceName(const char *font_name, FT_Face *face);
+#endif /* WITH_FREETYPE */
+
+#if defined(WITH_FREETYPE) || defined(_WIN32)
/**
* We would like to have a fallback font as the current one
* doesn't contain all characters we need.
@@ -39,6 +42,6 @@ FT_Error GetFontByFaceName(const char *font_name, FT_Face *face);
*/
bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, int winlangid, class MissingGlyphSearcher *callback);
-#endif /* WITH_FREETYPE */
+#endif /* defined(WITH_FREETYPE) || defined(WIN32)*/
#endif
diff --git a/src/settings.cpp b/src/settings.cpp
index 74a8bd8d8..88cd95b71 100644
--- a/src/settings.cpp
+++ b/src/settings.cpp
@@ -39,7 +39,7 @@
#include "sound_func.h"
#include "company_func.h"
#include "rev.h"
-#ifdef WITH_FREETYPE
+#if defined(WITH_FREETYPE) || defined(_WIN32)
#include "fontcache.h"
#endif
#include "textbuf_gui.h"
@@ -68,7 +68,7 @@
#include "void_map.h"
#include "station_base.h"
-#if defined(WITH_FREETYPE)
+#if defined(WITH_FREETYPE) || defined(_WIN32)
#define HAS_TRUETYPE_FONT
#endif
diff --git a/src/strings.cpp b/src/strings.cpp
index 1ed679e27..fda92d8a7 100644
--- a/src/strings.cpp
+++ b/src/strings.cpp
@@ -2070,7 +2070,7 @@ class LanguagePackGlyphSearcher : public MissingGlyphSearcher {
void SetFontNames(FreeTypeSettings *settings, const char *font_name) override
{
-#ifdef WITH_FREETYPE
+#if defined(WITH_FREETYPE) || defined(_WIN32)
strecpy(settings->small.font, font_name, lastof(settings->small.font));
strecpy(settings->medium.font, font_name, lastof(settings->medium.font));
strecpy(settings->large.font, font_name, lastof(settings->large.font));
@@ -2096,7 +2096,7 @@ void CheckForMissingGlyphs(bool base_font, MissingGlyphSearcher *searcher)
static LanguagePackGlyphSearcher pack_searcher;
if (searcher == nullptr) searcher = &pack_searcher;
bool bad_font = !base_font || searcher->FindMissingGlyphs(nullptr);
-#ifdef WITH_FREETYPE
+#if defined(WITH_FREETYPE) || defined(_WIN32)
if (bad_font) {
/* We found an unprintable character... lets try whether we can find
* a fallback font that can print the characters in the current language. */
diff --git a/src/textfile_gui.cpp b/src/textfile_gui.cpp
index 7a2eb44ca..07851e12f 100644
--- a/src/textfile_gui.cpp
+++ b/src/textfile_gui.cpp
@@ -196,7 +196,7 @@ void TextfileWindow::SetupScrollbars()
/* virtual */ void TextfileWindow::SetFontNames(FreeTypeSettings *settings, const char *font_name)
{
-#ifdef WITH_FREETYPE
+#if defined(WITH_FREETYPE) || defined(_WIN32)
strecpy(settings->mono.font, font_name, lastof(settings->mono.font));
#endif /* WITH_FREETYPE */
}