#include "ft2.h"
#include "ft2_defs.h"
#include "ft2_fontdefs.h"
+#include "image.h"
static int img_fontmap[256] = {
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
+/*
+ * Some big blocks of Unicode characters, according to
+ * http://www.unicode.org/Public/UNIDATA/Blocks.txt
+ *
+ * Let's call these "bigblocks".
+ * These characters are "spreaded", and ordinary maps will
+ * waste huge amount of resources rendering/caching unused glyphs.
+ *
+ * So, a new design is introduced to solve the problem:
+ * incremental maps, in which only used glyphs are stored.
+ */
+static const Uchar unicode_bigblocks[] = {
+ 0x3400, 0x4DBF, // 6592 CJK Unified Ideographs Extension A
+ 0x4E00, 0x9FFF, // 20992 CJK Unified Ideographs
+ 0xAC00, 0xD7AF, // 11184 Hangul Syllables
+ 0xE000, 0xF8FF, // 6400 Private Use Area
+ 0x10000, 0x10FFFF // Everything above
+};
+
/*
================================================================================
CVars introduced with the freetype extension
================================================================================
*/
-cvar_t r_font_disable_freetype = {CVAR_SAVE, "r_font_disable_freetype", "1", "disable freetype support for fonts entirely"};
-cvar_t r_font_use_alpha_textures = {CVAR_SAVE, "r_font_use_alpha_textures", "0", "use alpha-textures for font rendering, this should safe memory"};
-cvar_t r_font_size_snapping = {CVAR_SAVE, "r_font_size_snapping", "1", "stick to good looking font sizes whenever possible - bad when the mod doesn't support it!"};
+cvar_t r_font_disable_freetype = {CF_CLIENT | CF_ARCHIVE, "r_font_disable_freetype", "0", "disable freetype support for fonts entirely"};
+cvar_t r_font_size_snapping = {CF_CLIENT | CF_ARCHIVE, "r_font_size_snapping", "1", "stick to good looking font sizes whenever possible - bad when the mod doesn't support it!"};
+cvar_t r_font_kerning = {CF_CLIENT | CF_ARCHIVE, "r_font_kerning", "1", "Use kerning if available"};
+cvar_t r_font_diskcache = {CF_CLIENT | CF_ARCHIVE, "r_font_diskcache", "0", "[deprecated, not effective] save font textures to disk for future loading rather than generating them every time"};
+cvar_t r_font_compress = {CF_CLIENT | CF_ARCHIVE, "r_font_compress", "0", "use texture compression on font textures to save video memory"};
+cvar_t r_font_nonpoweroftwo = {CF_CLIENT | CF_ARCHIVE, "r_font_nonpoweroftwo", "1", "use nonpoweroftwo textures for font (saves memory, potentially slower)"};
+cvar_t developer_font = {CF_CLIENT | CF_ARCHIVE, "developer_font", "0", "prints debug messages about fonts"};
+
+cvar_t r_font_disable_incmaps = {CF_CLIENT | CF_ARCHIVE, "r_font_disable_incmaps", "0", "always to load a full glyph map for individual unmapped character, even when it will mean extreme resources waste"};
+
+#ifndef DP_FREETYPE_STATIC
/*
================================================================================
/// Handle for FreeType2 DLL
static dllhandle_t ft2_dll = NULL;
+#else
+
+FT_EXPORT( FT_Error )
+(FT_Init_FreeType)( FT_Library *alibrary );
+FT_EXPORT( FT_Error )
+(FT_Done_FreeType)( FT_Library library );
+/*
+FT_EXPORT( FT_Error )
+(FT_New_Face)( FT_Library library,
+ const char* filepathname,
+ FT_Long face_index,
+ FT_Face *aface );
+*/
+FT_EXPORT( FT_Error )
+(FT_New_Memory_Face)( FT_Library library,
+ const FT_Byte* file_base,
+ FT_Long file_size,
+ FT_Long face_index,
+ FT_Face *aface );
+FT_EXPORT( FT_Error )
+(FT_Done_Face)( FT_Face face );
+FT_EXPORT( FT_Error )
+(FT_Select_Size)( FT_Face face,
+ FT_Int strike_index );
+FT_EXPORT( FT_Error )
+(FT_Request_Size)( FT_Face face,
+ FT_Size_Request req );
+FT_EXPORT( FT_Error )
+(FT_Set_Char_Size)( FT_Face face,
+ FT_F26Dot6 char_width,
+ FT_F26Dot6 char_height,
+ FT_UInt horz_resolution,
+ FT_UInt vert_resolution );
+FT_EXPORT( FT_Error )
+(FT_Set_Pixel_Sizes)( FT_Face face,
+ FT_UInt pixel_width,
+ FT_UInt pixel_height );
+FT_EXPORT( FT_Error )
+(FT_Load_Glyph)( FT_Face face,
+ FT_UInt glyph_index,
+ FT_Int32 load_flags );
+FT_EXPORT( FT_Error )
+(FT_Load_Char)( FT_Face face,
+ FT_ULong char_code,
+ FT_Int32 load_flags );
+FT_EXPORT( FT_UInt )
+(FT_Get_Char_Index)( FT_Face face,
+ FT_ULong charcode );
+FT_EXPORT( FT_Error )
+(FT_Render_Glyph)( FT_GlyphSlot slot,
+ FT_Render_Mode render_mode );
+FT_EXPORT( FT_Error )
+(FT_Get_Kerning)( FT_Face face,
+ FT_UInt left_glyph,
+ FT_UInt right_glyph,
+ FT_UInt kern_mode,
+ FT_Vector *akerning );
+FT_EXPORT( FT_Error )
+(FT_Attach_Stream)( FT_Face face,
+ FT_Open_Args* parameters );
+
+#define qFT_Init_FreeType FT_Init_FreeType
+#define qFT_Done_FreeType FT_Done_FreeType
+//#define qFT_New_Face FT_New_Face
+#define qFT_New_Memory_Face FT_New_Memory_Face
+#define qFT_Done_Face FT_Done_Face
+#define qFT_Select_Size FT_Select_Size
+#define qFT_Request_Size FT_Request_Size
+#define qFT_Set_Char_Size FT_Set_Char_Size
+#define qFT_Set_Pixel_Sizes FT_Set_Pixel_Sizes
+#define qFT_Load_Glyph FT_Load_Glyph
+#define qFT_Load_Char FT_Load_Char
+#define qFT_Get_Char_Index FT_Get_Char_Index
+#define qFT_Render_Glyph FT_Render_Glyph
+#define qFT_Get_Kerning FT_Get_Kerning
+#define qFT_Attach_Stream FT_Attach_Stream
+
+#endif
+
/// Memory pool for fonts
static mempool_t *font_mempool= NULL;
-static rtexturepool_t *font_texturepool = NULL;
/// FreeType library handle
static FT_Library font_ft2lib = NULL;
+#define POSTPROCESS_MAXRADIUS 8
+typedef struct
+{
+ unsigned char *buf, *buf2;
+ int bufsize, bufwidth, bufheight, bufpitch;
+ float blur, outline, shadowx, shadowy, shadowz;
+ int padding_t, padding_b, padding_l, padding_r, blurpadding_lt, blurpadding_rb, outlinepadding_t, outlinepadding_b, outlinepadding_l, outlinepadding_r;
+ unsigned char circlematrix[2*POSTPROCESS_MAXRADIUS+1][2*POSTPROCESS_MAXRADIUS+1];
+ unsigned char gausstable[2*POSTPROCESS_MAXRADIUS+1];
+}
+font_postprocess_t;
+static font_postprocess_t pp;
+
+typedef struct fontfilecache_s
+{
+ unsigned char *buf;
+ fs_offset_t len;
+ int refcount;
+ char path[MAX_QPATH];
+}
+fontfilecache_t;
+#define MAX_FONTFILES 8
+static fontfilecache_t fontfiles[MAX_FONTFILES];
+static const unsigned char *fontfilecache_LoadFile(const char *path, qbool quiet, fs_offset_t *filesizepointer)
+{
+ int i;
+ unsigned char *buf;
+
+ for(i = 0; i < MAX_FONTFILES; ++i)
+ {
+ if(fontfiles[i].refcount > 0)
+ if(!strcmp(path, fontfiles[i].path))
+ {
+ *filesizepointer = fontfiles[i].len;
+ ++fontfiles[i].refcount;
+ return fontfiles[i].buf;
+ }
+ }
+
+ buf = FS_LoadFile(path, font_mempool, quiet, filesizepointer);
+ if(buf)
+ {
+ for(i = 0; i < MAX_FONTFILES; ++i)
+ if(fontfiles[i].refcount <= 0)
+ {
+ dp_strlcpy(fontfiles[i].path, path, sizeof(fontfiles[i].path));
+ fontfiles[i].len = *filesizepointer;
+ fontfiles[i].buf = buf;
+ fontfiles[i].refcount = 1;
+ return buf;
+ }
+ }
+
+ return buf;
+}
+static void fontfilecache_Free(const unsigned char *buf)
+{
+ int i;
+ for(i = 0; i < MAX_FONTFILES; ++i)
+ {
+ if(fontfiles[i].refcount > 0)
+ if(fontfiles[i].buf == buf)
+ {
+ if(--fontfiles[i].refcount <= 0)
+ {
+ Mem_Free(fontfiles[i].buf);
+ fontfiles[i].buf = NULL;
+ }
+ return;
+ }
+ }
+ // if we get here, it used regular allocation
+ Mem_Free((void *) buf);
+}
+static void fontfilecache_FreeAll(void)
+{
+ int i;
+ for(i = 0; i < MAX_FONTFILES; ++i)
+ {
+ if(fontfiles[i].refcount > 0)
+ Mem_Free(fontfiles[i].buf);
+ fontfiles[i].buf = NULL;
+ fontfiles[i].refcount = 0;
+ }
+}
+
/*
====================
Font_CloseLibrary
*/
void Font_CloseLibrary (void)
{
+ fontfilecache_FreeAll();
if (font_mempool)
Mem_FreePool(&font_mempool);
- if (font_texturepool)
- R_FreeTexturePool(&font_texturepool);
if (font_ft2lib && qFT_Done_FreeType)
{
qFT_Done_FreeType(font_ft2lib);
font_ft2lib = NULL;
}
- Sys_UnloadLibrary (&ft2_dll);
+#ifndef DP_FREETYPE_STATIC
+ Sys_FreeLibrary (&ft2_dll);
+#endif
+ pp.buf = NULL;
}
/*
Try to load the FreeType2 DLL
====================
*/
-qboolean Font_OpenLibrary (void)
+qbool Font_OpenLibrary (void)
{
+#ifndef DP_FREETYPE_STATIC
const char* dllnames [] =
{
#if defined(WIN32)
+ "libfreetype-6.dll",
"freetype6.dll",
#elif defined(MACOSX)
+ "libfreetype.6.dylib",
"libfreetype.dylib",
#else
"libfreetype.so.6",
#endif
NULL
};
+#endif
if (r_font_disable_freetype.integer)
return false;
+#ifndef DP_FREETYPE_STATIC
// Already loaded?
if (ft2_dll)
return true;
// Load the DLL
- if (!Sys_LoadLibrary (dllnames, &ft2_dll, ft2funcs))
+ if (!Sys_LoadDependency (dllnames, &ft2_dll, ft2funcs))
return false;
+#endif
return true;
}
if (qFT_Init_FreeType(&font_ft2lib))
{
- Con_Print("ERROR: Failed to initialize the FreeType2 library!\n");
+ Con_Print(CON_ERROR "ERROR: Failed to initialize the FreeType2 library!\n");
Font_CloseLibrary();
return;
}
font_mempool = Mem_AllocPool("FONT", 0, NULL);
if (!font_mempool)
{
- Con_Print("ERROR: Failed to allocate FONT memory pool!\n");
- Font_CloseLibrary();
- return;
- }
-
- font_texturepool = R_AllocTexturePool();
- if (!font_texturepool)
- {
- Con_Print("ERROR: Failed to allocate FONT texture pool!\n");
+ Con_Print(CON_ERROR "ERROR: Failed to allocate FONT memory pool!\n");
Font_CloseLibrary();
return;
}
void font_shutdown(void)
{
int i;
- for (i = 0; i < MAX_FONTS; ++i)
+ for (i = 0; i < dp_fonts.maxsize; ++i)
{
- if (dp_fonts[i].ft2)
+ if (dp_fonts.f[i].ft2)
{
- Font_UnloadFont(dp_fonts[i].ft2);
- dp_fonts[i].ft2 = NULL;
+ Font_UnloadFont(dp_fonts.f[i].ft2);
+ dp_fonts.f[i].ft2 = NULL;
}
}
Font_CloseLibrary();
void Font_Init(void)
{
+ Cvar_RegisterVariable(&r_font_nonpoweroftwo);
Cvar_RegisterVariable(&r_font_disable_freetype);
- Cvar_RegisterVariable(&r_font_use_alpha_textures);
Cvar_RegisterVariable(&r_font_size_snapping);
+ Cvar_RegisterVariable(&r_font_kerning);
+ Cvar_RegisterVariable(&r_font_diskcache);
+ Cvar_RegisterVariable(&r_font_compress);
+ Cvar_RegisterVariable(&developer_font);
+
+ Cvar_RegisterVariable(&r_font_disable_incmaps);
+
+ // let's open it at startup already
+ Font_OpenLibrary();
}
/*
ft2_font_t *Font_Alloc(void)
{
+#ifndef DP_FREETYPE_STATIC
if (!ft2_dll)
+#else
+ if (r_font_disable_freetype.integer)
+#endif
return NULL;
- return Mem_Alloc(font_mempool, sizeof(ft2_font_t));
+ return (ft2_font_t *)Mem_Alloc(font_mempool, sizeof(ft2_font_t));
}
-qboolean Font_Attach(ft2_font_t *font, ft2_attachment_t *attachment)
+static qbool Font_Attach(ft2_font_t *font, ft2_attachment_t *attachment)
{
ft2_attachment_t *na;
return true;
}
-static float Font_VirtualToRealSize(float sz)
+float Font_VirtualToRealSize(float sz)
{
- int vh, vw, si;
+ int vh;
+ //int vw;
+ int si;
float sn;
if(sz < 0)
return sz;
- vw = ((vid.width > 0) ? vid.width : vid_width.value);
- vh = ((vid.height > 0) ? vid.height : vid_height.value);
+ //vw = ((vid.width > 0) ? vid.width : vid_width.value);
+ vh = ((vid.mode.height > 0) ? vid.mode.height : vid_height.value);
// now try to scale to our actual size:
sn = sz * vh / vid_conheight.value;
si = (int)sn;
return si;
}
-static qboolean Font_LoadFile(const char *name, int _face, ft2_font_t *font);
-static qboolean Font_LoadSize(ft2_font_t *font, float size, qboolean no_texture, qboolean no_kerning);
-qboolean Font_LoadFont(const char *name, dp_font_t *dpfnt)
+float Font_SnapTo(float val, float snapwidth)
+{
+ return floor(val / snapwidth + 0.5f) * snapwidth;
+}
+
+static qbool Font_LoadFile(const char *name, int _face, ft2_settings_t *settings, ft2_font_t *font);
+static qbool Font_LoadSize(ft2_font_t *font, float size, qbool check_only);
+qbool Font_LoadFont(const char *name, dp_font_t *dpfnt)
{
int s, count, i;
ft2_font_t *ft2, *fbfont, *fb;
+ char vabuf[1024];
ft2 = Font_Alloc();
if (!ft2)
break;
}
- if (!Font_LoadFile(name, dpfnt->req_face, ft2))
+ if (!Font_LoadFile(name, dpfnt->req_face, &dpfnt->settings, ft2))
{
if (i >= MAX_FONT_FALLBACKS)
{
Mem_Free(ft2);
return false;
}
- strlcpy(ft2->name, name, sizeof(ft2->name));
+ dp_strlcpy(ft2->name, name, sizeof(ft2->name));
ft2->image_font = true;
ft2->has_kerning = false;
}
break;
if (! (fb = Font_Alloc()) )
{
- Con_Printf("Failed to allocate font for fallback %i of font %s\n", i, name);
+ Con_Printf(CON_ERROR "Failed to allocate font for fallback %i of font %s\n", i, name);
break;
}
- if (!Font_LoadFile(dpfnt->fallbacks[i], dpfnt->fallback_faces[i], fb))
+
+ if (!Font_LoadFile(dpfnt->fallbacks[i], dpfnt->fallback_faces[i], &dpfnt->settings, fb))
{
- Con_Printf("Failed to allocate font for fallback %i of font %s\n", i, name);
+ if(!FS_FileExists(va(vabuf, sizeof(vabuf), "%s.tga", dpfnt->fallbacks[i])))
+ if(!FS_FileExists(va(vabuf, sizeof(vabuf), "%s.png", dpfnt->fallbacks[i])))
+ if(!FS_FileExists(va(vabuf, sizeof(vabuf), "%s.jpg", dpfnt->fallbacks[i])))
+ if(!FS_FileExists(va(vabuf, sizeof(vabuf), "%s.pcx", dpfnt->fallbacks[i])))
+ Con_Printf(CON_ERROR "Failed to load font %s for fallback %i of font %s\n", dpfnt->fallbacks[i], i, name);
Mem_Free(fb);
- break;
+ continue;
}
count = 0;
- for (s = 0; s < MAX_FONT_SIZES; ++s)
+ for (s = 0; s < MAX_FONT_SIZES && dpfnt->req_sizes[s] >= 0; ++s)
{
- if (Font_LoadSize(fb, Font_VirtualToRealSize(dpfnt->req_sizes[s]), true, false))
+ if (Font_LoadSize(fb, Font_VirtualToRealSize(dpfnt->req_sizes[s]), true))
++count;
}
if (!count)
{
- Con_Printf("Failed to allocate font for fallback %i of font %s\n", i, name);
+ Con_Printf(CON_ERROR "Failed to allocate font for fallback %i of font %s\n", i, name);
Font_UnloadFont(fb);
Mem_Free(fb);
break;
}
count = 0;
- for (s = 0; s < MAX_FONT_SIZES; ++s)
+ for (s = 0; s < MAX_FONT_SIZES && dpfnt->req_sizes[s] >= 0; ++s)
{
- if (Font_LoadSize(ft2, Font_VirtualToRealSize(dpfnt->req_sizes[s]), false, false))
+ if (Font_LoadSize(ft2, Font_VirtualToRealSize(dpfnt->req_sizes[s]), false))
++count;
}
if (!count)
return true;
}
-static qboolean Font_LoadFile(const char *name, int _face, ft2_font_t *font)
+static qbool Font_LoadFile(const char *name, int _face, ft2_settings_t *settings, ft2_font_t *font)
{
size_t namelen;
char filename[MAX_QPATH];
int status;
size_t i;
- unsigned char *data;
+ const unsigned char *data;
fs_offset_t datasize;
memset(font, 0, sizeof(*font));
{
if (!r_font_disable_freetype.integer)
{
- Con_Printf("WARNING: can't open load font %s\n"
+ Con_Printf(CON_WARN "WARNING: can't open load font %s\n"
"You need the FreeType2 DLL to load font files\n",
name);
}
return false;
}
+ font->settings = settings;
+
namelen = strlen(name);
+ if (namelen + 5 > sizeof(filename))
+ {
+ Con_Printf(CON_WARN "WARNING: too long font name. Cannot load this.\n");
+ return false;
+ }
- memcpy(filename, name, namelen);
- memcpy(filename + namelen, ".ttf", 5);
- data = FS_LoadFile(filename, font_mempool, false, &datasize);
+ // try load direct file
+ memcpy(filename, name, namelen+1);
+ data = fontfilecache_LoadFile(filename, false, &datasize);
+ // try load .ttf
+ if (!data)
+ {
+ memcpy(filename + namelen, ".ttf", 5);
+ data = fontfilecache_LoadFile(filename, false, &datasize);
+ }
+ // try load .otf
if (!data)
{
memcpy(filename + namelen, ".otf", 5);
- data = FS_LoadFile(filename, font_mempool, false, &datasize);
+ data = fontfilecache_LoadFile(filename, false, &datasize);
}
+ // try load .pfb/afm
if (!data)
{
ft2_attachment_t afm;
memcpy(filename + namelen, ".pfb", 5);
- data = FS_LoadFile(filename, font_mempool, false, &datasize);
+ data = fontfilecache_LoadFile(filename, false, &datasize);
if (data)
{
memcpy(filename + namelen, ".afm", 5);
- afm.data = FS_LoadFile(filename, font_mempool, false, &afm.size);
+ afm.data = fontfilecache_LoadFile(filename, false, &afm.size);
if (afm.data)
Font_Attach(font, &afm);
}
}
-
if (!data)
{
// FS_LoadFile being not-quiet should print an error :)
return false;
}
- Con_Printf("Loading font %s face %i...\n", filename, _face);
+ Con_DPrintf("Loading font %s face %i...\n", filename, _face);
status = qFT_New_Memory_Face(font_ft2lib, (FT_Bytes)data, datasize, _face, (FT_Face*)&font->face);
if (status && _face != 0)
{
- Con_Printf("Failed to load face %i of %s. Falling back to face 0\n", _face, name);
+ Con_Printf(CON_ERROR "Failed to load face %i of %s. Falling back to face 0\n", _face, name);
_face = 0;
- status = qFT_New_Memory_Face(font_ft2lib, (FT_Bytes)data, datasize, 0, (FT_Face*)&font->face);
+ status = qFT_New_Memory_Face(font_ft2lib, (FT_Bytes)data, datasize, _face, (FT_Face*)&font->face);
}
+ font->data = data;
if (status)
{
- Con_Printf("ERROR: can't create face for %s\n"
+ Con_Printf(CON_ERROR "ERROR: can't create face for %s\n"
"Error %i\n", // TODO: error strings
name, status);
Font_UnloadFont(font);
args.flags = FT_OPEN_MEMORY;
args.memory_base = (const FT_Byte*)font->attachments[i].data;
args.memory_size = font->attachments[i].size;
- if (qFT_Attach_Stream(font->face, &args))
- Con_Printf("Failed to add attachment %u to %s\n", (unsigned)i, font->name);
+ if (qFT_Attach_Stream((FT_Face)font->face, &args))
+ Con_Printf(CON_ERROR "Failed to add attachment %u to %s\n", (unsigned)i, font->name);
}
- memcpy(font->name, name, namelen+1);
+ dp_strlcpy(font->name, name, sizeof(font->name));
font->image_font = false;
font->has_kerning = !!(((FT_Face)(font->face))->face_flags & FT_FACE_FLAG_KERNING);
return true;
}
-static qboolean Font_LoadMap(ft2_font_t *font, ft2_font_map_t *mapstart, Uchar _ch, ft2_font_map_t **outmap);
-static qboolean Font_LoadSize(ft2_font_t *font, float size, qboolean no_texture, qboolean no_kerning)
+static void Font_Postprocess_Update(ft2_font_t *fnt, int bpp, int w, int h)
+{
+ int needed, x, y;
+ float gausstable[2*POSTPROCESS_MAXRADIUS+1];
+ qbool need_gauss = (!pp.buf || pp.blur != fnt->settings->blur || pp.shadowz != fnt->settings->shadowz);
+ qbool need_circle = (!pp.buf || pp.outline != fnt->settings->outline || pp.shadowx != fnt->settings->shadowx || pp.shadowy != fnt->settings->shadowy);
+ pp.blur = fnt->settings->blur;
+ pp.outline = fnt->settings->outline;
+ pp.shadowx = fnt->settings->shadowx;
+ pp.shadowy = fnt->settings->shadowy;
+ pp.shadowz = fnt->settings->shadowz;
+ pp.outlinepadding_l = bound(0, ceil(pp.outline - pp.shadowx), POSTPROCESS_MAXRADIUS);
+ pp.outlinepadding_r = bound(0, ceil(pp.outline + pp.shadowx), POSTPROCESS_MAXRADIUS);
+ pp.outlinepadding_t = bound(0, ceil(pp.outline - pp.shadowy), POSTPROCESS_MAXRADIUS);
+ pp.outlinepadding_b = bound(0, ceil(pp.outline + pp.shadowy), POSTPROCESS_MAXRADIUS);
+ pp.blurpadding_lt = bound(0, ceil(pp.blur - pp.shadowz), POSTPROCESS_MAXRADIUS);
+ pp.blurpadding_rb = bound(0, ceil(pp.blur + pp.shadowz), POSTPROCESS_MAXRADIUS);
+ pp.padding_l = pp.blurpadding_lt + pp.outlinepadding_l;
+ pp.padding_r = pp.blurpadding_rb + pp.outlinepadding_r;
+ pp.padding_t = pp.blurpadding_lt + pp.outlinepadding_t;
+ pp.padding_b = pp.blurpadding_rb + pp.outlinepadding_b;
+ if(need_gauss)
+ {
+ float sum = 0;
+ for(x = -POSTPROCESS_MAXRADIUS; x <= POSTPROCESS_MAXRADIUS; ++x)
+ gausstable[POSTPROCESS_MAXRADIUS+x] = (pp.blur > 0 ? exp(-(pow(x + pp.shadowz, 2))/(pp.blur*pp.blur * 2)) : (floor(x + pp.shadowz + 0.5) == 0));
+ for(x = -pp.blurpadding_rb; x <= pp.blurpadding_lt; ++x)
+ sum += gausstable[POSTPROCESS_MAXRADIUS+x];
+ for(x = -POSTPROCESS_MAXRADIUS; x <= POSTPROCESS_MAXRADIUS; ++x)
+ pp.gausstable[POSTPROCESS_MAXRADIUS+x] = floor(gausstable[POSTPROCESS_MAXRADIUS+x] / sum * 255 + 0.5);
+ }
+ if(need_circle)
+ {
+ for(y = -POSTPROCESS_MAXRADIUS; y <= POSTPROCESS_MAXRADIUS; ++y)
+ for(x = -POSTPROCESS_MAXRADIUS; x <= POSTPROCESS_MAXRADIUS; ++x)
+ {
+ float d = pp.outline + 1 - sqrt(pow(x + pp.shadowx, 2) + pow(y + pp.shadowy, 2));
+ pp.circlematrix[POSTPROCESS_MAXRADIUS+y][POSTPROCESS_MAXRADIUS+x] = (d >= 1) ? 255 : (d <= 0) ? 0 : floor(d * 255 + 0.5);
+ }
+ }
+ pp.bufwidth = w + pp.padding_l + pp.padding_r;
+ pp.bufheight = h + pp.padding_t + pp.padding_b;
+ pp.bufpitch = pp.bufwidth;
+ needed = pp.bufwidth * pp.bufheight;
+ if(!pp.buf || pp.bufsize < needed * 2)
+ {
+ if(pp.buf)
+ Mem_Free(pp.buf);
+ pp.bufsize = needed * 4;
+ pp.buf = (unsigned char *)Mem_Alloc(font_mempool, pp.bufsize);
+ pp.buf2 = pp.buf + needed;
+ }
+}
+
+static void Font_Postprocess(ft2_font_t *fnt, unsigned char *imagedata, int pitch, int bpp, int w, int h, int *pad_l, int *pad_r, int *pad_t, int *pad_b)
+{
+ int x, y;
+
+ // calculate gauss table
+ Font_Postprocess_Update(fnt, bpp, w, h);
+
+ if(imagedata)
+ {
+ // enlarge buffer
+ // perform operation, not exceeding the passed padding values,
+ // but possibly reducing them
+ *pad_l = min(*pad_l, pp.padding_l);
+ *pad_r = min(*pad_r, pp.padding_r);
+ *pad_t = min(*pad_t, pp.padding_t);
+ *pad_b = min(*pad_b, pp.padding_b);
+
+ // outline the font (RGBA only)
+ if(bpp == 4 && (pp.outline > 0 || pp.blur > 0 || pp.shadowx != 0 || pp.shadowy != 0 || pp.shadowz != 0)) // we can only do this in BGRA
+ {
+ // this is like mplayer subtitle rendering
+ // bbuffer, bitmap buffer: this is our font
+ // abuffer, alpha buffer: this is pp.buf
+ // tmp: this is pp.buf2
+
+ // create outline buffer
+ memset(pp.buf, 0, pp.bufwidth * pp.bufheight);
+ for(y = -*pad_t; y < h + *pad_b; ++y)
+ for(x = -*pad_l; x < w + *pad_r; ++x)
+ {
+ int x1 = max(-x, -pp.outlinepadding_r);
+ int y1 = max(-y, -pp.outlinepadding_b);
+ int x2 = min(pp.outlinepadding_l, w-1-x);
+ int y2 = min(pp.outlinepadding_t, h-1-y);
+ int mx, my;
+ int cur = 0;
+ int highest = 0;
+ for(my = y1; my <= y2; ++my)
+ for(mx = x1; mx <= x2; ++mx)
+ {
+ cur = pp.circlematrix[POSTPROCESS_MAXRADIUS+my][POSTPROCESS_MAXRADIUS+mx] * (int)imagedata[(x+mx) * bpp + pitch * (y+my) + (bpp - 1)];
+ if(cur > highest)
+ highest = cur;
+ }
+ pp.buf[((x + pp.padding_l) + pp.bufpitch * (y + pp.padding_t))] = (highest + 128) / 255;
+ }
+
+ // blur the outline buffer
+ if(pp.blur > 0 || pp.shadowz != 0)
+ {
+ // horizontal blur
+ for(y = 0; y < pp.bufheight; ++y)
+ for(x = 0; x < pp.bufwidth; ++x)
+ {
+ int x1 = max(-x, -pp.blurpadding_rb);
+ int x2 = min(pp.blurpadding_lt, pp.bufwidth-1-x);
+ int mx;
+ int blurred = 0;
+ for(mx = x1; mx <= x2; ++mx)
+ blurred += pp.gausstable[POSTPROCESS_MAXRADIUS+mx] * (int)pp.buf[(x+mx) + pp.bufpitch * y];
+ pp.buf2[x + pp.bufpitch * y] = bound(0, blurred, 65025) / 255;
+ }
+
+ // vertical blur
+ for(y = 0; y < pp.bufheight; ++y)
+ for(x = 0; x < pp.bufwidth; ++x)
+ {
+ int y1 = max(-y, -pp.blurpadding_rb);
+ int y2 = min(pp.blurpadding_lt, pp.bufheight-1-y);
+ int my;
+ int blurred = 0;
+ for(my = y1; my <= y2; ++my)
+ blurred += pp.gausstable[POSTPROCESS_MAXRADIUS+my] * (int)pp.buf2[x + pp.bufpitch * (y+my)];
+ pp.buf[x + pp.bufpitch * y] = bound(0, blurred, 65025) / 255;
+ }
+ }
+
+ // paste the outline below the font
+ for(y = -*pad_t; y < h + *pad_b; ++y)
+ for(x = -*pad_l; x < w + *pad_r; ++x)
+ {
+ unsigned char outlinealpha = pp.buf[(x + pp.padding_l) + pp.bufpitch * (y + pp.padding_t)];
+ if(outlinealpha > 0)
+ {
+ unsigned char oldalpha = imagedata[x * bpp + pitch * y + (bpp - 1)];
+ // a' = 1 - (1 - a1) (1 - a2)
+ unsigned char newalpha = 255 - ((255 - (int)outlinealpha) * (255 - (int)oldalpha)) / 255; // this is >= oldalpha
+ // c' = (a2 c2 - a1 a2 c1 + a1 c1) / a' = (a2 c2 + a1 (1 - a2) c1) / a'
+ unsigned char oldfactor = (255 * (int)oldalpha) / newalpha;
+ //unsigned char outlinefactor = ((255 - oldalpha) * (int)outlinealpha) / newalpha;
+ int i;
+ for(i = 0; i < bpp-1; ++i)
+ {
+ unsigned char c = imagedata[x * bpp + pitch * y + i];
+ c = (c * (int)oldfactor) / 255 /* + outlinecolor[i] * (int)outlinefactor */;
+ imagedata[x * bpp + pitch * y + i] = c;
+ }
+ imagedata[x * bpp + pitch * y + (bpp - 1)] = newalpha;
+ }
+ //imagedata[x * bpp + pitch * y + (bpp - 1)] |= 0x80;
+ }
+ }
+ }
+ else if(pitch)
+ {
+ // perform operation, not exceeding the passed padding values,
+ // but possibly reducing them
+ *pad_l = min(*pad_l, pp.padding_l);
+ *pad_r = min(*pad_r, pp.padding_r);
+ *pad_t = min(*pad_t, pp.padding_t);
+ *pad_b = min(*pad_b, pp.padding_b);
+ }
+ else
+ {
+ // just calculate parameters
+ *pad_l = pp.padding_l;
+ *pad_r = pp.padding_r;
+ *pad_t = pp.padding_t;
+ *pad_b = pp.padding_b;
+ }
+}
+
+static float Font_SearchSize(ft2_font_t *font, FT_Face fontface, float size);
+static qbool Font_LoadMap(ft2_font_t *font, ft2_font_map_t *mapstart, Uchar _ch, ft2_font_map_t **outmap, int *outmapch, qbool incmap_ok);
+static qbool Font_LoadSize(ft2_font_t *font, float size, qbool check_only)
{
int map_index;
ft2_font_map_t *fmap, temp;
+ int gpad_l, gpad_r, gpad_t, gpad_b;
- if (IS_NAN(size))
+ if (!(size > 0.001f && size < 1000.0f))
size = 0;
if (!size)
if (size < 2) // bogus sizes are not allowed - and they screw up our allocations
return false;
- if (!no_texture)
+ for (map_index = 0; map_index < MAX_FONT_SIZES; ++map_index)
{
- for (map_index = 0; map_index < MAX_FONT_SIZES; ++map_index)
- {
- if (!font->font_maps[map_index])
- break;
- // if a similar size has already been loaded, ignore this one
- //abs(font->font_maps[map_index]->size - size) < 4
- if (font->font_maps[map_index]->size == size)
- return true;
- }
+ if (!font->font_maps[map_index])
+ break;
+ // if a similar size has already been loaded, ignore this one
+ //abs(font->font_maps[map_index]->size - size) < 4
+ if (font->font_maps[map_index]->size == size)
+ return true;
+ }
- if (map_index >= MAX_FONT_SIZES)
- return false;
+ if (map_index >= MAX_FONT_SIZES)
+ return false;
- memset(&temp, 0, sizeof(temp));
- temp.size = size;
- temp.glyphSize = CeilPowerOf2(size*2);
- temp.sfx = (1.0/64.0)/(double)size;
- temp.sfy = (1.0/64.0)/(double)size;
- temp.intSize = -1; // negative value: LoadMap must search now :)
- if (!Font_LoadMap(font, &temp, 0, &fmap))
- {
- Con_Printf("ERROR: can't load the first character map for %s\n"
- "This is fatal\n",
- font->name);
- Font_UnloadFont(font);
- return false;
- }
- font->font_maps[map_index] = temp.next;
+ if (check_only) {
+ FT_Face fontface;
+ if (font->image_font)
+ fontface = (FT_Face)font->next->face;
+ else
+ fontface = (FT_Face)font->face;
+ return (Font_SearchSize(font, fontface, size) > 0);
+ }
- fmap->sfx = temp.sfx;
- fmap->sfy = temp.sfy;
+ Font_Postprocess(font, NULL, 0, 4, size*2, size*2, &gpad_l, &gpad_r, &gpad_t, &gpad_b);
+
+ memset(&temp, 0, sizeof(temp));
+ temp.size = size;
+ temp.glyphSize = size*2 + max(gpad_l + gpad_r, gpad_t + gpad_b);
+ if (!r_font_nonpoweroftwo.integer)
+ temp.glyphSize = CeilPowerOf2(temp.glyphSize);
+ temp.sfx = (1.0/64.0)/(double)size;
+ temp.sfy = (1.0/64.0)/(double)size;
+ temp.intSize = -1; // negative value: LoadMap must search now :)
+ if (!Font_LoadMap(font, &temp, 0, &fmap, NULL, false))
+ {
+ Con_Printf(CON_ERROR "ERROR: can't load the first character map for %s\n"
+ "This is fatal\n",
+ font->name);
+ Font_UnloadFont(font);
+ return false;
}
- if (!no_kerning)
+ font->font_maps[map_index] = temp.next;
+
+ fmap->sfx = temp.sfx;
+ fmap->sfy = temp.sfy;
+
+ // load the default kerning vector:
+ if (font->has_kerning)
{
- // load the default kerning vector:
- if (font->has_kerning)
+ Uchar l, r;
+ FT_Vector kernvec;
+ fmap->kerning = (ft2_kerning_t *)Mem_Alloc(font_mempool, sizeof(ft2_kerning_t));
+ for (l = 0; l < 256; ++l)
{
- Uchar l, r;
- FT_Vector kernvec;
- for (l = 0; l < 256; ++l)
+ for (r = 0; r < 256; ++r)
{
- for (r = 0; r < 256; ++r)
+ FT_ULong ul, ur;
+ ul = qFT_Get_Char_Index((FT_Face)font->face, l);
+ ur = qFT_Get_Char_Index((FT_Face)font->face, r);
+ if (qFT_Get_Kerning((FT_Face)font->face, ul, ur, FT_KERNING_DEFAULT, &kernvec))
{
- FT_ULong ul, ur;
- ul = qFT_Get_Char_Index(font->face, l);
- ur = qFT_Get_Char_Index(font->face, r);
- if (qFT_Get_Kerning(font->face, ul, ur, FT_KERNING_DEFAULT, &kernvec))
- {
- fmap->kerning.kerning[l][r][0] = 0;
- fmap->kerning.kerning[l][r][1] = 0;
- }
- else
- {
- fmap->kerning.kerning[l][r][0] = (kernvec.x >> 6) / fmap->size;
- fmap->kerning.kerning[l][r][1] = (kernvec.y >> 6) / fmap->size;
- }
+ fmap->kerning->kerning[l][r][0] = 0;
+ fmap->kerning->kerning[l][r][1] = 0;
+ }
+ else
+ {
+ fmap->kerning->kerning[l][r][0] = Font_SnapTo((kernvec.x / 64.0) / fmap->size, 1 / fmap->size);
+ fmap->kerning->kerning[l][r][1] = Font_SnapTo((kernvec.y / 64.0) / fmap->size, 1 / fmap->size);
}
}
}
}
-
return true;
}
int Font_IndexForSize(ft2_font_t *font, float _fsize, float *outw, float *outh)
{
int match = -1;
- int value = 1000000;
- int nval;
+ float value = 1000000;
+ float nval;
int matchsize = -10000;
int m;
- int size;
- float fsize;
+ float fsize_x, fsize_y;
ft2_font_map_t **maps = font->font_maps;
- fsize = _fsize * vid.height / vid_conheight.value;
+ fsize_x = fsize_y = _fsize * vid.mode.height / vid_conheight.value;
+ if(outw && *outw)
+ fsize_x = *outw * vid.mode.width / vid_conwidth.value;
+ if(outh && *outh)
+ fsize_y = *outh * vid.mode.height / vid_conheight.value;
- if (fsize < 0)
- size = 16;
+ if (fsize_x < 0)
+ {
+ if(fsize_y < 0)
+ fsize_x = fsize_y = 16;
+ else
+ fsize_x = fsize_y;
+ }
else
{
- // round up
- size = (int)fsize;
- if (fsize - (float)size >= 0.49)
- ++size;
+ if(fsize_y < 0)
+ fsize_y = fsize_x;
}
for (m = 0; m < MAX_FONT_SIZES; ++m)
if (!maps[m])
continue;
// "round up" to the bigger size if two equally-valued matches exist
- nval = abs(maps[m]->size - size);
+ nval = 0.5 * (fabs(maps[m]->size - fsize_x) + fabs(maps[m]->size - fsize_y));
if (match == -1 || nval < value || (nval == value && matchsize < maps[m]->size))
{
value = nval;
}
if (value <= r_font_size_snapping.value)
{
- if (outw && outh)
- {
- if (!*outh) *outh = *outw;
- if (!*outw) *outw = *outh;
- }
- // keep the aspect
- if (outh) *outh = maps[match]->size * vid_conheight.value / vid.height;
- if (outw) *outw = maps[match]->size * vid_conwidth.value / vid.width * *outw / _fsize;
+ // do NOT keep the aspect for perfect rendering
+ if (outh) *outh = maps[match]->size * vid_conheight.value / vid.mode.height;
+ if (outw) *outw = maps[match]->size * vid_conwidth.value / vid.mode.width;
}
return match;
}
return font->font_maps[index];
}
-static qboolean Font_SetSize(ft2_font_t *font, float w, float h)
+static qbool Font_SetSize(ft2_font_t *font, float w, float h)
{
if (font->currenth == h &&
((!w && (!font->currentw || font->currentw == font->currenth)) || // check if w==h when w is not set
return true;
}
-qboolean Font_GetKerningForMap(ft2_font_t *font, int map_index, float w, float h, Uchar left, Uchar right, float *outx, float *outy)
+qbool Font_GetKerningForMap(ft2_font_t *font, int map_index, float w, float h, Uchar left, Uchar right, float *outx, float *outy)
{
ft2_font_map_t *fmap;
- if (!font->has_kerning)
+ if (!font->has_kerning || !r_font_kerning.integer)
return false;
if (map_index < 0 || map_index >= MAX_FONT_SIZES)
return false;
return false;
if (left < 256 && right < 256)
{
+ //Con_Printf("%g : %f, %f, %f :: %f\n", (w / (float)fmap->size), w, fmap->size, fmap->intSize, Font_VirtualToRealSize(w));
// quick-kerning, be aware of the size: scale it
- if (outx) *outx = fmap->kerning.kerning[left][right][0] * w / (float)fmap->size;
- if (outy) *outy = fmap->kerning.kerning[left][right][1] * h / (float)fmap->size;
+ if (outx) *outx = fmap->kerning->kerning[left][right][0];// * (w / (float)fmap->size);
+ if (outy) *outy = fmap->kerning->kerning[left][right][1];// * (h / (float)fmap->size);
return true;
}
else
FT_ULong ul, ur;
//if (qFT_Set_Pixel_Sizes((FT_Face)font->face, 0, fmap->size))
+#if 0
if (!Font_SetSize(font, w, h))
{
// this deserves an error message
ur = qFT_Get_Char_Index(font->face, right);
if (qFT_Get_Kerning(font->face, ul, ur, FT_KERNING_DEFAULT, &kernvec))
{
- if (outx) *outx = kernvec.x * fmap->sfx;
- if (outy) *outy = kernvec.y * fmap->sfy;
+ if (outx) *outx = Font_SnapTo(kernvec.x * fmap->sfx, 1 / fmap->size);
+ if (outy) *outy = Font_SnapTo(kernvec.y * fmap->sfy, 1 / fmap->size);
+ return true;
+ }
+#endif
+ if (!Font_SetSize(font, fmap->intSize, fmap->intSize))
+ {
+ // this deserves an error message
+ Con_Printf(CON_ERROR "Failed to get kerning for %s\n", font->name);
+ return false;
+ }
+ ul = qFT_Get_Char_Index((FT_Face)font->face, left);
+ ur = qFT_Get_Char_Index((FT_Face)font->face, right);
+ if (qFT_Get_Kerning((FT_Face)font->face, ul, ur, FT_KERNING_DEFAULT, &kernvec))
+ {
+ if (outx) *outx = Font_SnapTo(kernvec.x * fmap->sfx, 1 / fmap->size);// * (w / (float)fmap->size);
+ if (outy) *outy = Font_SnapTo(kernvec.y * fmap->sfy, 1 / fmap->size);// * (h / (float)fmap->size);
return true;
}
return false;
}
}
-qboolean Font_GetKerningForSize(ft2_font_t *font, float w, float h, Uchar left, Uchar right, float *outx, float *outy)
+qbool Font_GetKerningForSize(ft2_font_t *font, float w, float h, Uchar left, Uchar right, float *outx, float *outy)
{
return Font_GetKerningForMap(font, Font_IndexForSize(font, h, NULL, NULL), w, h, left, right, outx, outy);
}
-static void UnloadMapRec(ft2_font_map_t *map)
+// this is used to gracefully unload a map chain; the passed map
+// needs not necessarily be a startmap, so maps ahead of it can be kept
+static void UnloadMapChain(ft2_font_map_t *map)
{
- if (map->texture)
+ int i;
+ ft2_font_map_t *nextmap;
+ // these may only be in a startmap
+ if (map->kerning != NULL)
+ Mem_Free(map->kerning);
+ if (map->incmap != NULL)
+ {
+ for (i = 0; i < FONT_CHARS_PER_LINE; ++i)
+ if (map->incmap->data_tier1[i] != NULL)
+ Mem_Free(map->incmap->data_tier1[i]);
+ else
+ break;
+ for (i = 0; i < FONT_CHAR_LINES; ++i)
+ if (map->incmap->data_tier2[i] != NULL)
+ Mem_Free(map->incmap->data_tier2[i]);
+ else
+ break;
+ Mem_Free(map->incmap);
+ }
+ while (map != NULL)
{
- R_FreeTexture(map->texture);
- map->texture = NULL;
+ if (map->pic)
+ {
+ //Draw_FreePic(map->pic); // FIXME: refcounting needed...
+ map->pic = NULL;
+ }
+ nextmap = map->next;
+ Mem_Free(map);
+ map = nextmap;
}
- if (map->next)
- UnloadMapRec(map->next);
- Mem_Free(map);
}
void Font_UnloadFont(ft2_font_t *font)
{
int i;
+
+ // unload fallbacks
+ if(font->next)
+ Font_UnloadFont(font->next);
+
if (font->attachments && font->attachmentcount)
{
+ for (i = 0; i < (int)font->attachmentcount; ++i) {
+ if (font->attachments[i].data)
+ fontfilecache_Free(font->attachments[i].data);
+ }
Mem_Free(font->attachments);
font->attachmentcount = 0;
font->attachments = NULL;
{
if (font->font_maps[i])
{
- UnloadMapRec(font->font_maps[i]);
+ UnloadMapChain(font->font_maps[i]);
font->font_maps[i] = NULL;
}
}
+#ifndef DP_FREETYPE_STATIC
if (ft2_dll)
+#else
+ if (!r_font_disable_freetype.integer)
+#endif
{
if (font->face)
{
font->face = NULL;
}
}
+ if (font->data) {
+ fontfilecache_Free(font->data);
+ font->data = NULL;
+ }
+}
+
+static float Font_SearchSize(ft2_font_t *font, FT_Face fontface, float size)
+{
+ float intSize = size;
+ while (1)
+ {
+ if (!Font_SetSize(font, intSize, intSize))
+ {
+ Con_Printf(CON_ERROR "ERROR: can't set size for font %s: %f ((%f))\n", font->name, size, intSize);
+ return -1;
+ }
+ if ((fontface->size->metrics.height>>6) <= size)
+ return intSize;
+ if (intSize < 2)
+ {
+ Con_Printf(CON_ERROR "ERROR: no appropriate size found for font %s: %f\n", font->name, size);
+ return -1;
+ }
+ --intSize;
+ }
+}
+
+// helper inline functions for incmap_post_process:
+
+static inline void update_pic_for_fontmap(ft2_font_map_t *fontmap, const char *identifier,
+ int width, int height, unsigned char *data)
+{
+ fontmap->pic = Draw_NewPic(identifier, width, height, data, TEXTYPE_RGBA,
+ TEXF_ALPHA | TEXF_CLAMP | (r_font_compress.integer > 0 ? TEXF_COMPRESS : 0));
+}
+
+// glyphs' texture coords needs to be fixed when merging to bigger texture
+static inline void transform_glyph_coords(glyph_slot_t *glyph, float shiftx, float shifty, float scalex, float scaley)
+{
+ glyph->txmin = glyph->txmin * scalex + shiftx;
+ glyph->txmax = glyph->txmax * scalex + shiftx;
+ glyph->tymin = glyph->tymin * scaley + shifty;
+ glyph->tymax = glyph->tymax * scaley + shifty;
+}
+#define fix_glyph_coords_tier1(glyph, order) transform_glyph_coords(glyph, order / (float)FONT_CHARS_PER_LINE, 0.0f, 1.0f / (float)FONT_CHARS_PER_LINE, 1.0f)
+#define fix_glyph_coords_tier2(glyph, order) transform_glyph_coords(glyph, 0.0f, order / (float)FONT_CHARS_PER_LINE, 1.0f, 1.0f / (float)FONT_CHARS_PER_LINE)
+
+// pull glyph things from sourcemap to targetmap
+static inline void merge_single_map(ft2_font_map_t *targetmap, int targetindex, ft2_font_map_t *sourcemap, int sourceindex)
+{
+ targetmap->glyphs[targetindex] = sourcemap->glyphs[sourceindex];
+ targetmap->glyphchars[targetindex] = sourcemap->glyphchars[sourceindex];
}
-static qboolean Font_LoadMap(ft2_font_t *font, ft2_font_map_t *mapstart, Uchar _ch, ft2_font_map_t **outmap)
+#define calc_data_arguments(w, h) \
+ width = startmap->glyphSize * w; \
+ height = startmap->glyphSize * h; \
+ pitch = width * bytes_per_pixel; \
+ datasize = height * pitch;
+
+// do incremental map process
+static inline void incmap_post_process(font_incmap_t *incmap, Uchar ch,
+ unsigned char *data, ft2_font_map_t **outmap, int *outmapch)
{
+ #define bytes_per_pixel 4
+
+ int index, targetmap_at;
+ // where will the next `data` be placed
+ int tier1_data_index, tier2_data_index;
+ // metrics of data to manipulate
+ int width, height, pitch, datasize;
+ int i, j, x, y;
+ unsigned char *newdata, *chunk;
+ ft2_font_map_t *startmap, *targetmap, *currentmap;
+ #define M FONT_CHARS_PER_LINE
+ #define N FONT_CHAR_LINES
+
+ startmap = incmap->fontmap;
+ index = incmap->charcount;
+ tier1_data_index = index % M;
+ tier2_data_index = incmap->tier1_merged;
+
+ incmap->data_tier1[tier1_data_index] = data;
+
+ if (index % M == M - 1)
+ {
+ // tier 1 reduction, pieces to line
+ calc_data_arguments(1, 1);
+ targetmap_at = incmap->tier2_merged + incmap->tier1_merged;
+ targetmap = startmap;
+ for (i = 0; i < targetmap_at; ++i)
+ targetmap = targetmap->next;
+ currentmap = targetmap;
+ newdata = (unsigned char *)Mem_Alloc(font_mempool, datasize * M);
+ for (i = 0; i < M; ++i)
+ {
+ chunk = incmap->data_tier1[i];
+ if (chunk == NULL)
+ continue;
+ for (y = 0; y < datasize; y += pitch)
+ for (x = 0; x < pitch; ++x)
+ newdata[y * M + i * pitch + x] = chunk[y + x];
+ Mem_Free(chunk);
+ incmap->data_tier1[i] = NULL;
+ merge_single_map(targetmap, i, currentmap, 0);
+ fix_glyph_coords_tier1(&targetmap->glyphs[i], (float)i);
+ currentmap = currentmap->next;
+ }
+ update_pic_for_fontmap(targetmap, Draw_GetPicName(targetmap->pic), width * M, height, newdata);
+ UnloadMapChain(targetmap->next);
+ targetmap->next = NULL;
+ incmap->data_tier2[tier2_data_index] = newdata;
+ ++incmap->tier1_merged;
+ incmap->tier1_merged %= M;
+ incmap->newmap_start = INCMAP_START + targetmap_at + 1;
+ // then give this merged map
+ *outmap = targetmap;
+ *outmapch = FONT_CHARS_PER_LINE - 1;
+ }
+ if (index % (M * N) == M * N - 1)
+ {
+ // tier 2 reduction, lines to full map
+ calc_data_arguments(M, 1);
+ targetmap_at = incmap->tier2_merged;
+ targetmap = startmap;
+ for (i = 0; i < targetmap_at; ++i)
+ targetmap = targetmap->next;
+ currentmap = targetmap;
+ newdata = (unsigned char *)Mem_Alloc(font_mempool, datasize * N);
+ for (i = 0; i < N; ++i)
+ {
+ chunk = incmap->data_tier2[i];
+ if (chunk == NULL)
+ continue;
+ for (x = 0; x < datasize; ++x)
+ newdata[i * datasize + x] = chunk[x];
+ Mem_Free(chunk);
+ incmap->data_tier2[i] = NULL;
+ for (j = 0; j < M; ++j)
+ {
+ merge_single_map(targetmap, i * M + j, currentmap, j);
+ fix_glyph_coords_tier2(&targetmap->glyphs[i * M + j], (float)i);
+ }
+ currentmap = currentmap->next;
+ }
+ update_pic_for_fontmap(targetmap, Draw_GetPicName(targetmap->pic), width, height * N, newdata);
+ UnloadMapChain(targetmap->next);
+ targetmap->next = NULL;
+ Mem_Free(newdata);
+ ++incmap->tier2_merged;
+ incmap->newmap_start = INCMAP_START + targetmap_at + 1;
+ // then give this merged map
+ *outmap = targetmap;
+ *outmapch = FONT_CHARS_PER_MAP - 1;
+ }
+
+ ++incmap->charcount;
+ ++incmap->newmap_start;
+
+ #undef M
+ #undef N
+}
+
+static qbool Font_LoadMap(ft2_font_t *font, ft2_font_map_t *mapstart, Uchar _ch,
+ ft2_font_map_t **outmap, int *outmapch, qbool use_incmap)
+{
+ #define bytes_per_pixel 4
+
char map_identifier[MAX_QPATH];
- unsigned long mapidx = _ch / FONT_CHARS_PER_MAP;
- unsigned char *data;
- FT_ULong ch, mapch;
+ unsigned long map_startglyph = _ch / FONT_CHARS_PER_MAP * FONT_CHARS_PER_MAP;
+ unsigned char *data = NULL;
+ FT_ULong ch = 0, mapch = 0;
int status;
int tp;
+ FT_Int32 load_flags;
+ int gpad_l, gpad_r, gpad_t, gpad_b;
int pitch;
- int gR, gC; // glyph position: row and column
+ int width, height, datasize;
+ int glyph_row, glyph_column;
+
+ int chars_per_line = FONT_CHARS_PER_LINE;
+ int char_lines = FONT_CHAR_LINES;
+ int chars_per_map = FONT_CHARS_PER_MAP;
- ft2_font_map_t *map, *next;
ft2_font_t *usefont;
+ ft2_font_map_t *map, *next;
+ font_incmap_t *incmap;
FT_Face fontface;
- int bytesPerPixel = 4; // change the conversion loop too if you change this!
-
- if (outmap)
- *outmap = NULL;
-
- if (r_font_use_alpha_textures.integer)
- bytesPerPixel = 1;
+ incmap = mapstart->incmap;
+ if (use_incmap)
+ {
+ // only render one character in this map;
+ // such small maps will be merged together later in `incmap_post_process`
+ chars_per_line = char_lines = chars_per_map = 1;
+ // and the index is incremental
+ map_startglyph = incmap ? incmap->newmap_start : INCMAP_START;
+ }
if (font->image_font)
fontface = (FT_Face)font->next->face;
else
fontface = (FT_Face)font->face;
+ switch(font->settings->antialias)
+ {
+ case 0:
+ switch(font->settings->hinting)
+ {
+ case 0:
+ load_flags = FT_LOAD_NO_HINTING | FT_LOAD_NO_AUTOHINT | FT_LOAD_TARGET_MONO | FT_LOAD_MONOCHROME;
+ break;
+ case 1:
+ case 2:
+ load_flags = FT_LOAD_FORCE_AUTOHINT | FT_LOAD_TARGET_MONO | FT_LOAD_MONOCHROME;
+ break;
+ default:
+ case 3:
+ load_flags = FT_LOAD_TARGET_MONO | FT_LOAD_MONOCHROME;
+ break;
+ }
+ break;
+ default:
+ case 1:
+ switch(font->settings->hinting)
+ {
+ case 0:
+ load_flags = FT_LOAD_NO_HINTING | FT_LOAD_NO_AUTOHINT | FT_LOAD_TARGET_NORMAL;
+ break;
+ case 1:
+ load_flags = FT_LOAD_FORCE_AUTOHINT | FT_LOAD_TARGET_LIGHT;
+ break;
+ case 2:
+ load_flags = FT_LOAD_FORCE_AUTOHINT | FT_LOAD_TARGET_NORMAL;
+ break;
+ default:
+ case 3:
+ load_flags = FT_LOAD_TARGET_NORMAL;
+ break;
+ }
+ break;
+ }
+
//status = qFT_Set_Pixel_Sizes((FT_Face)font->face, /*size*/0, mapstart->size);
//if (status)
if (font->image_font && mapstart->intSize < 0)
mapstart->intSize = mapstart->size;
if (mapstart->intSize < 0)
{
+ /*
mapstart->intSize = mapstart->size;
while (1)
{
}
--mapstart->intSize;
}
+ */
+ if ((mapstart->intSize = Font_SearchSize(font, fontface, mapstart->size)) <= 0)
+ return false;
Con_DPrintf("Using size: %f for requested size %f\n", mapstart->intSize, mapstart->size);
}
if (!font->image_font && !Font_SetSize(font, mapstart->intSize, mapstart->intSize))
{
- Con_Printf("ERROR: can't set sizes for font %s: %f\n", font->name, mapstart->size);
+ Con_Printf(CON_ERROR "ERROR: can't set sizes for font %s: %f\n", font->name, mapstart->size);
return false;
}
- map = Mem_Alloc(font_mempool, sizeof(ft2_font_map_t));
+ map = (ft2_font_map_t *)Mem_Alloc(font_mempool, sizeof(ft2_font_map_t));
if (!map)
{
- Con_Printf("ERROR: Out of memory when loading fontmap for %s\n", font->name);
+ Con_Printf(CON_ERROR "ERROR: Out of memory when allocating fontmap for %s\n", font->name);
return false;
}
+ map->start = map_startglyph;
+
+ // create a unique name for this map, then we will use it to make a unique cachepic_t to avoid redundant textures
+ /*
+ dpsnprintf(map_identifier, sizeof(map_identifier),
+ "%s_cache_%g_%d_%g_%g_%g_%g_%g_%u_%lx",
+ font->name,
+ (double) mapstart->intSize,
+ (int) load_flags,
+ (double) font->settings->blur,
+ (double) font->settings->outline,
+ (double) font->settings->shadowx,
+ (double) font->settings->shadowy,
+ (double) font->settings->shadowz,
+ (unsigned) map_startglyph,
+ // add pointer as a unique part to avoid earlier incmaps' state being trashed
+ use_incmap ? (unsigned long)mapstart : 0x0);
+ */
+ /*
+ * note 1: it appears that different font instances may have the same metrics, causing this pic being overwritten
+ * will use startmap's pointer as a unique part to avoid earlier incmaps' dynamic pics being trashed
+ * note 2: if this identifier is made too long, significient performance drop will take place
+ * note 3: blur/outline/shadow are per-font settings, so a pointer to startmap & map size
+ * already made these unique, hence they are omitted
+ * note 4: font_diskcache is removed, this name can be less meaningful
+ */
+ dpsnprintf(map_identifier, sizeof(map_identifier), "%s_%g_%p_%u",
+ font->name, mapstart->intSize, mapstart, (unsigned) map_startglyph);
+
+ // create a cachepic_t from the data now, or reuse an existing one
+ if (developer_font.integer)
+ Con_Printf("Generating font map %s (size: %.1f MB)\n", map_identifier, mapstart->glyphSize * (256 * 4 / 1048576.0) * mapstart->glyphSize);
+
+ Font_Postprocess(font, NULL, 0, bytes_per_pixel, mapstart->size*2, mapstart->size*2, &gpad_l, &gpad_r, &gpad_t, &gpad_b);
+
// copy over the information
map->size = mapstart->size;
map->intSize = mapstart->intSize;
map->sfx = mapstart->sfx;
map->sfy = mapstart->sfy;
- pitch = map->glyphSize * FONT_CHARS_PER_LINE * bytesPerPixel;
- data = Mem_Alloc(font_mempool, (FONT_CHAR_LINES * map->glyphSize) * pitch);
+ width = map->glyphSize * chars_per_line;
+ height = map->glyphSize * char_lines;
+ pitch = width * bytes_per_pixel;
+ datasize = height * pitch;
+ data = (unsigned char *)Mem_Alloc(font_mempool, datasize);
if (!data)
{
- Con_Printf("ERROR: Failed to allocate memory for font %s size %g\n", font->name, map->size);
+ Con_Printf(CON_ERROR "ERROR: Failed to allocate memory for font %s size %g\n", font->name, map->size);
Mem_Free(map);
return false;
}
+ if (use_incmap)
+ {
+ if (mapstart->incmap == NULL)
+ {
+ // initial incmap
+ incmap = mapstart->incmap = (font_incmap_t *)Mem_Alloc(font_mempool, sizeof(font_incmap_t));
+ if (!incmap)
+ {
+ Con_Printf(CON_ERROR "ERROR: Out of memory when allocating incremental fontmap for %s\n", font->name);
+ return false;
+ }
+ // this will be the startmap of incmap
+ incmap->fontmap = map;
+ incmap->newmap_start = INCMAP_START;
+ }
+ else
+ {
+ // new maps for incmap shall always be the last one
+ next = incmap->fontmap;
+ while (next->next != NULL)
+ next = next->next;
+ next->next = map;
+ }
+ }
+ else
+ {
+ // insert this normal map
+ next = use_incmap ? incmap->fontmap : mapstart;
+ while(next->next && next->next->start < map->start)
+ next = next->next;
+ map->next = next->next;
+ next->next = map;
+ }
+
// initialize as white texture with zero alpha
tp = 0;
- while (tp < (FONT_CHAR_LINES * map->glyphSize) * pitch)
+ while (tp < datasize)
{
- if (bytesPerPixel == 4)
+ if (bytes_per_pixel == 4)
{
data[tp++] = 0xFF;
data[tp++] = 0xFF;
data[tp++] = 0x00;
}
- // insert the map
- map->start = mapidx * FONT_CHARS_PER_MAP;
- next = mapstart;
- while(next->next && next->next->start < map->start)
- next = next->next;
- map->next = next->next;
- next->next = map;
-
- gR = 0;
- gC = -1;
- for (ch = map->start;
- ch < (FT_ULong)map->start + FONT_CHARS_PER_MAP;
- ++ch)
+ glyph_row = 0;
+ glyph_column = 0;
+ ch = (FT_ULong)(use_incmap ? _ch : map->start);
+ mapch = 0;
+ while (true)
{
FT_ULong glyphIndex;
int w, h, x, y;
FT_GlyphSlot glyph;
FT_Bitmap *bmp;
- unsigned char *imagedata, *dst, *src;
+ unsigned char *imagedata = NULL, *dst, *src;
glyph_slot_t *mapglyph;
FT_Face face;
+ int pad_l, pad_r, pad_t, pad_b;
- mapch = ch - map->start;
-
- if (developer_extra.integer)
+ if (developer_font.integer)
Con_DPrint("glyphinfo: ------------- GLYPH INFO -----------------\n");
- ++gC;
- if (gC >= FONT_CHARS_PER_LINE)
+ map->glyphchars[mapch] = (Uchar)ch;
+
+ if (data)
{
- gC -= FONT_CHARS_PER_LINE;
- ++gR;
+ imagedata = data + glyph_row * pitch * map->glyphSize + glyph_column * map->glyphSize * bytes_per_pixel;
+ imagedata += gpad_t * pitch + gpad_l * bytes_per_pixel;
}
-
- imagedata = data + gR * pitch * map->glyphSize + gC * map->glyphSize * bytesPerPixel;
//status = qFT_Load_Char(face, ch, FT_LOAD_RENDER);
// we need the glyphIndex
- face = font->face;
+ face = (FT_Face)font->face;
usefont = NULL;
if (font->image_font && mapch == ch && img_fontmap[mapch])
{
if (!Font_SetSize(usefont, mapstart->intSize, mapstart->intSize))
continue;
// try that glyph
- face = usefont->face;
+ face = (FT_Face)usefont->face;
glyphIndex = qFT_Get_Char_Index(face, ch);
if (glyphIndex == 0)
continue;
- status = qFT_Load_Glyph(face, glyphIndex, FT_LOAD_RENDER);
+ status = qFT_Load_Glyph(face, glyphIndex, FT_LOAD_RENDER | load_flags);
if (status)
continue;
break;
{
//Con_Printf("failed to load fallback glyph for char %lx from font %s\n", (unsigned long)ch, font->name);
// now we let it use the "missing-glyph"-glyph
- face = font->face;
+ face = (FT_Face)font->face;
glyphIndex = 0;
}
}
if (!usefont)
{
usefont = font;
- face = font->face;
- status = qFT_Load_Glyph(face, glyphIndex, FT_LOAD_RENDER);
+ face = (FT_Face)font->face;
+ status = qFT_Load_Glyph(face, glyphIndex, FT_LOAD_RENDER | load_flags);
if (status)
{
//Con_Printf("failed to load glyph %lu for %s\n", glyphIndex, font->name);
w = bmp->width;
h = bmp->rows;
- if (w > map->glyphSize || h > map->glyphSize) {
- Con_Printf("WARNING: Glyph %lu is too big in font %s, size %g: %i x %i\n", ch, font->name, map->size, w, h);
+ if (w > (map->glyphSize - gpad_l - gpad_r) || h > (map->glyphSize - gpad_t - gpad_b)) {
+ Con_Printf(CON_WARN "WARNING: Glyph %lu is too big in font %s, size %g: %i x %i\n", ch, font->name, map->size, w, h);
if (w > map->glyphSize)
- w = map->glyphSize;
+ w = map->glyphSize - gpad_l - gpad_r;
if (h > map->glyphSize)
h = map->glyphSize;
}
- switch (bmp->pixel_mode)
- {
- case FT_PIXEL_MODE_MONO:
- if (developer_extra.integer)
- Con_DPrint("glyphinfo: Pixel Mode: MONO\n");
- break;
- case FT_PIXEL_MODE_GRAY2:
- if (developer_extra.integer)
- Con_DPrint("glyphinfo: Pixel Mode: GRAY2\n");
- break;
- case FT_PIXEL_MODE_GRAY4:
- if (developer_extra.integer)
- Con_DPrint("glyphinfo: Pixel Mode: GRAY4\n");
- break;
- case FT_PIXEL_MODE_GRAY:
- if (developer_extra.integer)
- Con_DPrint("glyphinfo: Pixel Mode: GRAY\n");
- break;
- default:
- if (developer_extra.integer)
- Con_DPrintf("glyphinfo: Pixel Mode: Unknown: %i\n", bmp->pixel_mode);
- Mem_Free(data);
- Con_Printf("ERROR: Unrecognized pixel mode for font %s size %f: %i\n", font->name, mapstart->size, bmp->pixel_mode);
- return false;
- }
- for (y = 0; y < h; ++y)
+ if (imagedata)
{
- dst = imagedata + y * pitch;
- src = bmp->buffer + y * bmp->pitch;
-
switch (bmp->pixel_mode)
{
case FT_PIXEL_MODE_MONO:
- dst += bytesPerPixel - 1; // shift to alpha byte
- for (x = 0; x < bmp->width; x += 8)
- {
- unsigned char ch = *src++;
- *dst = 255 * ((ch & 0x80) >> 7); dst += bytesPerPixel;
- *dst = 255 * ((ch & 0x40) >> 6); dst += bytesPerPixel;
- *dst = 255 * ((ch & 0x20) >> 5); dst += bytesPerPixel;
- *dst = 255 * ((ch & 0x10) >> 4); dst += bytesPerPixel;
- *dst = 255 * ((ch & 0x08) >> 3); dst += bytesPerPixel;
- *dst = 255 * ((ch & 0x04) >> 2); dst += bytesPerPixel;
- *dst = 255 * ((ch & 0x02) >> 1); dst += bytesPerPixel;
- *dst = 255 * ((ch & 0x01) >> 0); dst += bytesPerPixel;
- }
+ if (developer_font.integer)
+ Con_DPrint("glyphinfo: Pixel Mode: MONO\n");
break;
case FT_PIXEL_MODE_GRAY2:
- dst += bytesPerPixel - 1; // shift to alpha byte
- for (x = 0; x < bmp->width; x += 4)
- {
- unsigned char ch = *src++;
- *dst = ( ((ch & 0xA0) >> 6) * 0x55 ); ch <<= 2; dst += bytesPerPixel;
- *dst = ( ((ch & 0xA0) >> 6) * 0x55 ); ch <<= 2; dst += bytesPerPixel;
- *dst = ( ((ch & 0xA0) >> 6) * 0x55 ); ch <<= 2; dst += bytesPerPixel;
- *dst = ( ((ch & 0xA0) >> 6) * 0x55 ); ch <<= 2; dst += bytesPerPixel;
- }
+ if (developer_font.integer)
+ Con_DPrint("glyphinfo: Pixel Mode: GRAY2\n");
break;
case FT_PIXEL_MODE_GRAY4:
- dst += bytesPerPixel - 1; // shift to alpha byte
- for (x = 0; x < bmp->width; x += 2)
- {
- unsigned char ch = *src++;
- *dst = ( ((ch & 0xF0) >> 4) * 0x24); dst += bytesPerPixel;
- *dst = ( ((ch & 0x0F) ) * 0x24); dst += bytesPerPixel;
- }
+ if (developer_font.integer)
+ Con_DPrint("glyphinfo: Pixel Mode: GRAY4\n");
break;
case FT_PIXEL_MODE_GRAY:
- // in this case pitch should equal width
- for (tp = 0; tp < bmp->pitch; ++tp)
- dst[(bytesPerPixel - 1) + tp*bytesPerPixel] = src[tp]; // copy the grey value into the alpha bytes
-
- //memcpy((void*)dst, (void*)src, bmp->pitch);
- //dst += bmp->pitch;
+ if (developer_font.integer)
+ Con_DPrint("glyphinfo: Pixel Mode: GRAY\n");
break;
default:
- break;
+ if (developer_font.integer)
+ Con_DPrintf("glyphinfo: Pixel Mode: Unknown: %i\n", bmp->pixel_mode);
+ Mem_Free(data);
+ Con_Printf(CON_ERROR "ERROR: Unrecognized pixel mode for font %s size %f: %i\n", font->name, mapstart->size, bmp->pixel_mode);
+ return false;
+ }
+ for (y = 0; y < h; ++y)
+ {
+ dst = imagedata + y * pitch;
+ src = bmp->buffer + y * bmp->pitch;
+
+ switch (bmp->pixel_mode)
+ {
+ case FT_PIXEL_MODE_MONO:
+ dst += bytes_per_pixel - 1; // shift to alpha byte
+ for (x = 0; x < bmp->width; x += 8)
+ {
+ unsigned char c = *src++;
+ *dst = 255 * !!((c & 0x80) >> 7); dst += bytes_per_pixel;
+ *dst = 255 * !!((c & 0x40) >> 6); dst += bytes_per_pixel;
+ *dst = 255 * !!((c & 0x20) >> 5); dst += bytes_per_pixel;
+ *dst = 255 * !!((c & 0x10) >> 4); dst += bytes_per_pixel;
+ *dst = 255 * !!((c & 0x08) >> 3); dst += bytes_per_pixel;
+ *dst = 255 * !!((c & 0x04) >> 2); dst += bytes_per_pixel;
+ *dst = 255 * !!((c & 0x02) >> 1); dst += bytes_per_pixel;
+ *dst = 255 * !!((c & 0x01) >> 0); dst += bytes_per_pixel;
+ }
+ break;
+ case FT_PIXEL_MODE_GRAY2:
+ dst += bytes_per_pixel - 1; // shift to alpha byte
+ for (x = 0; x < bmp->width; x += 4)
+ {
+ unsigned char c = *src++;
+ *dst = ( ((c & 0xA0) >> 6) * 0x55 ); c <<= 2; dst += bytes_per_pixel;
+ *dst = ( ((c & 0xA0) >> 6) * 0x55 ); c <<= 2; dst += bytes_per_pixel;
+ *dst = ( ((c & 0xA0) >> 6) * 0x55 ); c <<= 2; dst += bytes_per_pixel;
+ *dst = ( ((c & 0xA0) >> 6) * 0x55 ); c <<= 2; dst += bytes_per_pixel;
+ }
+ break;
+ case FT_PIXEL_MODE_GRAY4:
+ dst += bytes_per_pixel - 1; // shift to alpha byte
+ for (x = 0; x < bmp->width; x += 2)
+ {
+ unsigned char c = *src++;
+ *dst = ( ((c & 0xF0) >> 4) * 0x11); dst += bytes_per_pixel;
+ *dst = ( ((c & 0x0F) ) * 0x11); dst += bytes_per_pixel;
+ }
+ break;
+ case FT_PIXEL_MODE_GRAY:
+ // in this case pitch should equal width
+ for (tp = 0; tp < bmp->pitch; ++tp)
+ dst[(bytes_per_pixel - 1) + tp*bytes_per_pixel] = src[tp]; // copy the grey value into the alpha bytes
+
+ //memcpy((void*)dst, (void*)src, bmp->pitch);
+ //dst += bmp->pitch;
+ break;
+ default:
+ break;
+ }
}
+
+ pad_l = gpad_l;
+ pad_r = gpad_r;
+ pad_t = gpad_t;
+ pad_b = gpad_b;
+ Font_Postprocess(font, imagedata, pitch, bytes_per_pixel, w, h, &pad_l, &pad_r, &pad_t, &pad_b);
+ }
+ else
+ {
+ pad_l = gpad_l;
+ pad_r = gpad_r;
+ pad_t = gpad_t;
+ pad_b = gpad_b;
+ Font_Postprocess(font, NULL, pitch, bytes_per_pixel, w, h, &pad_l, &pad_r, &pad_t, &pad_b);
}
+
// now fill map->glyphs[ch - map->start]
mapglyph = &map->glyphs[mapch];
// old way
// double advance = (double)glyph->metrics.horiAdvance * map->sfx;
- double bearingX = (glyph->metrics.horiBearingX >> 6) / map->size;
- double bearingY = (glyph->metrics.horiBearingY >> 6) / map->size;
- double advance = (glyph->advance.x >> 6) / map->size;
- double mWidth = (glyph->metrics.width >> 6) / map->size;
- double mHeight = (glyph->metrics.height >> 6) / map->size;
-
- mapglyph->vxmin = bearingX;
- mapglyph->vxmax = bearingX + mWidth;
- mapglyph->vymin = -bearingY;
- mapglyph->vymax = mHeight - bearingY;
- mapglyph->txmin = ( (double)(gC * map->glyphSize) ) / ( (double)(map->glyphSize * FONT_CHARS_PER_LINE) );
- mapglyph->txmax = mapglyph->txmin + (double)bmp->width / ( (double)(map->glyphSize * FONT_CHARS_PER_LINE) );
- mapglyph->tymin = ( (double)(gR * map->glyphSize) ) / ( (double)(map->glyphSize * FONT_CHAR_LINES) );
- mapglyph->tymax = mapglyph->tymin + (double)bmp->rows / ( (double)(map->glyphSize * FONT_CHAR_LINES) );
+ double bearingX = (glyph->metrics.horiBearingX / 64.0) / map->size;
+ //double bearingY = (glyph->metrics.horiBearingY >> 6) / map->size;
+ double advance = (glyph->advance.x / 64.0) / map->size;
+ //double mWidth = (glyph->metrics.width >> 6) / map->size;
+ //double mHeight = (glyph->metrics.height >> 6) / map->size;
+
+ mapglyph->txmin = ( (double)(glyph_column * map->glyphSize) + (double)(gpad_l - pad_l) ) / ( (double)(map->glyphSize * chars_per_line) );
+ mapglyph->txmax = mapglyph->txmin + (double)(bmp->width + pad_l + pad_r) / ( (double)(map->glyphSize * chars_per_line) );
+ mapglyph->tymin = ( (double)(glyph_row * map->glyphSize) + (double)(gpad_r - pad_r) ) / ( (double)(map->glyphSize * char_lines) );
+ mapglyph->tymax = mapglyph->tymin + (double)(bmp->rows + pad_t + pad_b) / ( (double)(map->glyphSize * char_lines) );
+ //mapglyph->vxmin = bearingX;
+ //mapglyph->vxmax = bearingX + mWidth;
+ mapglyph->vxmin = (glyph->bitmap_left - pad_l) / map->size;
+ mapglyph->vxmax = mapglyph->vxmin + (bmp->width + pad_l + pad_r) / map->size; // don't ask
+ //mapglyph->vymin = -bearingY;
+ //mapglyph->vymax = mHeight - bearingY;
+ mapglyph->vymin = (-glyph->bitmap_top - pad_t) / map->size;
+ mapglyph->vymax = mapglyph->vymin + (bmp->rows + pad_t + pad_b) / map->size;
+ //Con_Printf("dpi = %f %f (%f %d) %d %d\n", bmp->width / (mapglyph->vxmax - mapglyph->vxmin), bmp->rows / (mapglyph->vymax - mapglyph->vymin), map->size, map->glyphSize, (int)fontface->size->metrics.x_ppem, (int)fontface->size->metrics.y_ppem);
//mapglyph->advance_x = advance * usefont->size;
- mapglyph->advance_x = advance;
+ //mapglyph->advance_x = advance;
+ mapglyph->advance_x = Font_SnapTo(advance, 1 / map->size);
mapglyph->advance_y = 0;
- if (developer_extra.integer)
+ if (developer_font.integer)
{
- Con_DPrintf("glyphinfo: Glyph: %lu at (%i, %i)\n", (unsigned long)ch, gC, gR);
+ Con_DPrintf("glyphinfo: Glyph: %lu at (%i, %i)\n", (unsigned long)ch, glyph_column, glyph_row);
Con_DPrintf("glyphinfo: %f, %f, %lu\n", bearingX, map->sfx, (unsigned long)glyph->metrics.horiBearingX);
if (ch >= 32 && ch <= 128)
Con_DPrintf("glyphinfo: Character: %c\n", (int)ch);
}
}
map->glyphs[mapch].image = false;
- }
-
- // create a texture from the data now
- if (developer_extra.integer)
- {
- // LordHavoc: why are we writing this? And why not write it as TGA using the appropriate function?
- // view using `display -depth 8 -size 512x512 name_page.rgba` (be sure to use a correct -size parameter)
- dpsnprintf(map_identifier, sizeof(map_identifier), "%s_%u.rgba", font->name, (unsigned)map->start/FONT_CHARS_PER_MAP);
- FS_WriteFile(map_identifier, data, pitch * FONT_CHAR_LINES * map->glyphSize);
+ ++mapch; ++ch;
+ if ((int)mapch == chars_per_map)
+ break;
+ if (++glyph_column % chars_per_line == 0)
+ {
+ glyph_column = 0;
+ ++glyph_row;
+ }
}
- dpsnprintf(map_identifier, sizeof(map_identifier), "%s_%u", font->name, (unsigned)map->start/FONT_CHARS_PER_MAP);
- // probably use bytesPerPixel here instead?
- if (r_font_use_alpha_textures.integer)
- {
- map->texture = R_LoadTexture2D(font_texturepool, map_identifier,
- map->glyphSize * FONT_CHARS_PER_LINE,
- map->glyphSize * FONT_CHAR_LINES,
- data, TEXTYPE_ALPHA, TEXF_ALPHA /*gone: | TEXF_ALWAYSPRECACHE*/ /* | TEXF_MIPMAP*/, NULL);
- } else {
- map->texture = R_LoadTexture2D(font_texturepool, map_identifier,
- map->glyphSize * FONT_CHARS_PER_LINE,
- map->glyphSize * FONT_CHAR_LINES,
- data, TEXTYPE_RGBA, TEXF_ALPHA /*gone: | TEXF_ALWAYSPRECACHE*/ /* | TEXF_MIPMAP*/, NULL);
- }
+ // update the pic returned by Draw_CachePic_Flags earlier to contain our texture
+ update_pic_for_fontmap(map, map_identifier, width, height, data);
- Mem_Free(data);
- if (!map->texture)
+ if (!Draw_IsPicLoaded(map->pic))
{
// if the first try isn't successful, keep it with a broken texture
// otherwise we retry to load it every single frame where ft2 rendering is used
// this would be bad...
// only `data' must be freed
- Con_Printf("ERROR: Failed to generate texture for font %s size %f map %lu\n",
- font->name, mapstart->size, mapidx);
+ Con_Printf(CON_ERROR "ERROR: Failed to generate texture for font %s size %f map %lu\n",
+ font->name, mapstart->size, map_startglyph);
return false;
}
- if (outmap)
+
+ if (use_incmap)
+ {
+ *outmap = map;
+ *outmapch = 0;
+ // data will be kept in incmap for being merged later, freed afterward
+ incmap_post_process(incmap, _ch, data, outmap, outmapch);
+ }
+ else if (data)
+ {
+ Mem_Free(data);
*outmap = map;
+ if (outmapch != NULL)
+ *outmapch = _ch - map->start;
+ }
+
return true;
}
-qboolean Font_LoadMapForIndex(ft2_font_t *font, int map_index, Uchar _ch, ft2_font_map_t **outmap)
+static qbool legacy_font_loading_api_alerted = false;
+static inline void alert_legacy_font_api(const char *name)
+{
+ if (!legacy_font_loading_api_alerted)
+ {
+ Con_DPrintf(CON_WARN "Warning: You are using an legacy API '%s', which have certain limitations; please use 'Font_GetMapForChar' instead\n", name);
+ legacy_font_loading_api_alerted = true;
+ }
+}
+
+// legacy font API, please use `Font_GetMapForChar` instead
+qbool Font_LoadMapForIndex(ft2_font_t *font, int map_index, Uchar ch, ft2_font_map_t **outmap)
{
if (map_index < 0 || map_index >= MAX_FONT_SIZES)
return false;
// the first map must have been loaded already
if (!font->font_maps[map_index])
return false;
- return Font_LoadMap(font, font->font_maps[map_index], _ch, outmap);
+ alert_legacy_font_api("Font_LoadMapForIndex");
+ return Font_LoadMap(font, font->font_maps[map_index], ch, outmap, NULL, false);
}
+// legacy font API. please use `Font_GetMapForChar` instead
ft2_font_map_t *FontMap_FindForChar(ft2_font_map_t *start, Uchar ch)
{
- while (start && start->start + FONT_CHARS_PER_MAP < ch)
- start = start->next;
- if (start && start->start > ch)
+ ft2_font_map_t *map = start;
+ while (map && map->start + FONT_CHARS_PER_MAP <= ch)
+ map = map->next;
+ if (map && map->start > ch)
return NULL;
- return start;
+ alert_legacy_font_api("FontMap_FindForChar");
+ return map;
+}
+
+static inline qbool should_use_incmap(Uchar ch)
+{
+ int i;
+ // optimize: a simple check logic for usual conditions
+ if (ch < unicode_bigblocks[0])
+ return false;
+ if (r_font_disable_incmaps.integer == 1)
+ return false;
+ for (i = 0; i < (int)(sizeof(unicode_bigblocks) / sizeof(Uchar)); i += 2)
+ if (unicode_bigblocks[i] <= ch && ch <= unicode_bigblocks[i + 1])
+ return true;
+ return false;
+}
+
+static inline qbool get_char_from_incmap(ft2_font_map_t *map, Uchar ch, ft2_font_map_t **outmap, int *outmapch)
+{
+ int i;
+ font_incmap_t *incmap;
+
+ incmap = map->incmap;
+ *outmapch = 0;
+
+ if (incmap != NULL)
+ {
+ map = incmap->fontmap;
+ while (map != NULL)
+ {
+ for (i = 0; i < FONT_CHARS_PER_MAP; ++i)
+ {
+ if (map->glyphchars[i] == ch)
+ {
+ *outmap = map;
+ *outmapch = i;
+ return true;
+ }
+ else if (map->glyphchars[i] == 0)
+ // this tier0/tier1 map ends here
+ break;
+ }
+ map = map->next;
+ }
+ }
+ return false;
+}
+
+/**
+ * Query for or load a font map for a character, with the character's place on it.
+ * Supports the incremental map mechanism; returning if the operation is done successfully
+ */
+qbool Font_GetMapForChar(ft2_font_t *font, int map_index, Uchar ch, ft2_font_map_t **outmap, int *outmapch)
+{
+ qbool use_incmap;
+ ft2_font_map_t *map;
+
+ // startmap
+ map = Font_MapForIndex(font, map_index);
+
+ // optimize: the first map must have been loaded already
+ if (ch < FONT_CHARS_PER_MAP)
+ {
+ *outmapch = ch;
+ *outmap = map;
+ return true;
+ }
+
+ // search for the character
+
+ use_incmap = should_use_incmap(ch);
+
+ if (!use_incmap)
+ {
+ // normal way
+ *outmapch = ch % FONT_CHARS_PER_MAP;
+ while (map && map->start + FONT_CHARS_PER_MAP <= ch)
+ map = map->next;
+ if (map && map->start <= ch)
+ {
+ *outmap = map;
+ return true;
+ }
+ }
+ else if (get_char_from_incmap(map, ch, outmap, outmapch))
+ // got it
+ return true;
+
+ // so no appropriate map was found, load one
+
+ if (map_index < 0 || map_index >= MAX_FONT_SIZES)
+ return false;
+ return Font_LoadMap(font, font->font_maps[map_index], ch, outmap, outmapch, use_incmap);
}
projects / xonotic / darkplaces.git / blobdiff