--- /dev/null
+/* FreeType 2 and UTF-8 encoding support for
+ * DarkPlaces
+ */
+#include "quakedef.h"
+
+#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,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // shift+digit line
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // digits
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // caps
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // caps
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // small
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // small
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // specials
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // faces
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+/*
+================================================================================
+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_kerning = {CVAR_SAVE, "r_font_kerning", "1", "Use kerning if available"};
+cvar_t r_font_diskcache = {CVAR_SAVE, "r_font_diskcache", "0", "save font textures to disk for future loading rather than generating them every time"};
+cvar_t r_font_compress = {CVAR_SAVE, "r_font_compress", "0", "use texture compression on font textures to save video memory"};
+cvar_t r_font_nonpoweroftwo = {CVAR_SAVE, "r_font_nonpoweroftwo", "1", "use nonpoweroftwo textures for font (saves memory, potentially slower)"};
+cvar_t developer_font = {CVAR_SAVE, "developer_font", "0", "prints debug messages about fonts"};
+
+/*
+================================================================================
+Function definitions. Taken from the freetype2 headers.
+================================================================================
+*/
+
+
+FT_EXPORT( FT_Error )
+(*qFT_Init_FreeType)( FT_Library *alibrary );
+FT_EXPORT( FT_Error )
+(*qFT_Done_FreeType)( FT_Library library );
+/*
+FT_EXPORT( FT_Error )
+(*qFT_New_Face)( FT_Library library,
+ const char* filepathname,
+ FT_Long face_index,
+ FT_Face *aface );
+*/
+FT_EXPORT( FT_Error )
+(*qFT_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 )
+(*qFT_Done_Face)( FT_Face face );
+FT_EXPORT( FT_Error )
+(*qFT_Select_Size)( FT_Face face,
+ FT_Int strike_index );
+FT_EXPORT( FT_Error )
+(*qFT_Request_Size)( FT_Face face,
+ FT_Size_Request req );
+FT_EXPORT( FT_Error )
+(*qFT_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 )
+(*qFT_Set_Pixel_Sizes)( FT_Face face,
+ FT_UInt pixel_width,
+ FT_UInt pixel_height );
+FT_EXPORT( FT_Error )
+(*qFT_Load_Glyph)( FT_Face face,
+ FT_UInt glyph_index,
+ FT_Int32 load_flags );
+FT_EXPORT( FT_Error )
+(*qFT_Load_Char)( FT_Face face,
+ FT_ULong char_code,
+ FT_Int32 load_flags );
+FT_EXPORT( FT_UInt )
+(*qFT_Get_Char_Index)( FT_Face face,
+ FT_ULong charcode );
+FT_EXPORT( FT_Error )
+(*qFT_Render_Glyph)( FT_GlyphSlot slot,
+ FT_Render_Mode render_mode );
+FT_EXPORT( FT_Error )
+(*qFT_Get_Kerning)( FT_Face face,
+ FT_UInt left_glyph,
+ FT_UInt right_glyph,
+ FT_UInt kern_mode,
+ FT_Vector *akerning );
+FT_EXPORT( FT_Error )
+(*qFT_Attach_Stream)( FT_Face face,
+ FT_Open_Args* parameters );
+/*
+================================================================================
+Support for dynamically loading the FreeType2 library
+================================================================================
+*/
+
+static dllfunction_t ft2funcs[] =
+{
+ {"FT_Init_FreeType", (void **) &qFT_Init_FreeType},
+ {"FT_Done_FreeType", (void **) &qFT_Done_FreeType},
+ //{"FT_New_Face", (void **) &qFT_New_Face},
+ {"FT_New_Memory_Face", (void **) &qFT_New_Memory_Face},
+ {"FT_Done_Face", (void **) &qFT_Done_Face},
+ {"FT_Select_Size", (void **) &qFT_Select_Size},
+ {"FT_Request_Size", (void **) &qFT_Request_Size},
+ {"FT_Set_Char_Size", (void **) &qFT_Set_Char_Size},
+ {"FT_Set_Pixel_Sizes", (void **) &qFT_Set_Pixel_Sizes},
+ {"FT_Load_Glyph", (void **) &qFT_Load_Glyph},
+ {"FT_Load_Char", (void **) &qFT_Load_Char},
+ {"FT_Get_Char_Index", (void **) &qFT_Get_Char_Index},
+ {"FT_Render_Glyph", (void **) &qFT_Render_Glyph},
+ {"FT_Get_Kerning", (void **) &qFT_Get_Kerning},
+ {"FT_Attach_Stream", (void **) &qFT_Attach_Stream},
+ {NULL, NULL}
+};
+
+/// Handle for FreeType2 DLL
+static dllhandle_t ft2_dll = NULL;
+
+/// Memory pool for fonts
+static mempool_t *font_mempool= 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, qboolean 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)
+ {
+ 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
+
+Unload the FreeType2 DLL
+====================
+*/
+void Font_CloseLibrary (void)
+{
+ fontfilecache_FreeAll();
+ if (font_mempool)
+ Mem_FreePool(&font_mempool);
+ if (font_ft2lib && qFT_Done_FreeType)
+ {
+ qFT_Done_FreeType(font_ft2lib);
+ font_ft2lib = NULL;
+ }
+ Sys_UnloadLibrary (&ft2_dll);
+ pp.buf = NULL;
+}
+
+/*
+====================
+Font_OpenLibrary
+
+Try to load the FreeType2 DLL
+====================
+*/
+qboolean Font_OpenLibrary (void)
+{
+ const char* dllnames [] =
+ {
+#if defined(WIN32)
+ "libfreetype-6.dll",
+ "freetype6.dll",
+#elif defined(MACOSX)
+ "libfreetype.6.dylib",
+ "libfreetype.dylib",
+#else
+ "libfreetype.so.6",
+ "libfreetype.so",
+#endif
+ NULL
+ };
+
+ if (r_font_disable_freetype.integer)
+ return false;
+
+ // Already loaded?
+ if (ft2_dll)
+ return true;
+
+ // Load the DLL
+ if (!Sys_LoadLibrary (dllnames, &ft2_dll, ft2funcs))
+ return false;
+ return true;
+}
+
+/*
+====================
+Font_Init
+
+Initialize the freetype2 font subsystem
+====================
+*/
+
+void font_start(void)
+{
+ if (!Font_OpenLibrary())
+ return;
+
+ if (qFT_Init_FreeType(&font_ft2lib))
+ {
+ Con_Print("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;
+ }
+}
+
+void font_shutdown(void)
+{
+ int i;
+ for (i = 0; i < dp_fonts.maxsize; ++i)
+ {
+ if (dp_fonts.f[i].ft2)
+ {
+ Font_UnloadFont(dp_fonts.f[i].ft2);
+ dp_fonts.f[i].ft2 = NULL;
+ }
+ }
+ Font_CloseLibrary();
+}
+
+void font_newmap(void)
+{
+}
+
+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);
+
+ // let's open it at startup already
+ Font_OpenLibrary();
+}
+
+/*
+================================================================================
+Implementation of a more or less lazy font loading and rendering code.
+================================================================================
+*/
+
+#include "ft2_fontdefs.h"
+
+ft2_font_t *Font_Alloc(void)
+{
+ if (!ft2_dll)
+ return NULL;
+ return (ft2_font_t *)Mem_Alloc(font_mempool, sizeof(ft2_font_t));
+}
+
+qboolean Font_Attach(ft2_font_t *font, ft2_attachment_t *attachment)
+{
+ ft2_attachment_t *na;
+
+ font->attachmentcount++;
+ na = (ft2_attachment_t*)Mem_Alloc(font_mempool, sizeof(font->attachments[0]) * font->attachmentcount);
+ if (na == NULL)
+ return false;
+ if (font->attachments && font->attachmentcount > 1)
+ {
+ memcpy(na, font->attachments, sizeof(font->attachments[0]) * (font->attachmentcount - 1));
+ Mem_Free(font->attachments);
+ }
+ memcpy(na + sizeof(font->attachments[0]) * (font->attachmentcount - 1), attachment, sizeof(*attachment));
+ font->attachments = na;
+ return true;
+}
+
+float Font_VirtualToRealSize(float sz)
+{
+ 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);
+ // now try to scale to our actual size:
+ sn = sz * vh / vid_conheight.value;
+ si = (int)sn;
+ if ( sn - (float)si >= 0.5 )
+ ++si;
+ return si;
+}
+
+float Font_SnapTo(float val, float snapwidth)
+{
+ return floor(val / snapwidth + 0.5f) * snapwidth;
+}
+
+static qboolean Font_LoadFile(const char *name, int _face, ft2_settings_t *settings, ft2_font_t *font);
+static qboolean Font_LoadSize(ft2_font_t *font, float size, qboolean check_only);
+qboolean Font_LoadFont(const char *name, dp_font_t *dpfnt)
+{
+ int s, count, i;
+ ft2_font_t *ft2, *fbfont, *fb;
+
+ ft2 = Font_Alloc();
+ if (!ft2)
+ {
+ dpfnt->ft2 = NULL;
+ return false;
+ }
+
+ // check if a fallback font has been specified, if it has been, and the
+ // font fails to load, use the image font as main font
+ for (i = 0; i < MAX_FONT_FALLBACKS; ++i)
+ {
+ if (dpfnt->fallbacks[i][0])
+ break;
+ }
+
+ if (!Font_LoadFile(name, dpfnt->req_face, &dpfnt->settings, ft2))
+ {
+ if (i >= MAX_FONT_FALLBACKS)
+ {
+ dpfnt->ft2 = NULL;
+ Mem_Free(ft2);
+ return false;
+ }
+ strlcpy(ft2->name, name, sizeof(ft2->name));
+ ft2->image_font = true;
+ ft2->has_kerning = false;
+ }
+ else
+ {
+ ft2->image_font = false;
+ }
+
+ // attempt to load fallback fonts:
+ fbfont = ft2;
+ for (i = 0; i < MAX_FONT_FALLBACKS; ++i)
+ {
+ if (!dpfnt->fallbacks[i][0])
+ break;
+ if (! (fb = Font_Alloc()) )
+ {
+ Con_Printf("Failed to allocate font for fallback %i of font %s\n", i, name);
+ break;
+ }
+
+ if (!Font_LoadFile(dpfnt->fallbacks[i], dpfnt->fallback_faces[i], &dpfnt->settings, fb))
+ {
+ if(!FS_FileExists(va("%s.tga", dpfnt->fallbacks[i])))
+ if(!FS_FileExists(va("%s.png", dpfnt->fallbacks[i])))
+ if(!FS_FileExists(va("%s.jpg", dpfnt->fallbacks[i])))
+ if(!FS_FileExists(va("%s.pcx", dpfnt->fallbacks[i])))
+ Con_Printf("Failed to load font %s for fallback %i of font %s\n", dpfnt->fallbacks[i], i, name);
+ Mem_Free(fb);
+ continue;
+ }
+ count = 0;
+ for (s = 0; s < MAX_FONT_SIZES && dpfnt->req_sizes[s] >= 0; ++s)
+ {
+ 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);
+ Font_UnloadFont(fb);
+ Mem_Free(fb);
+ break;
+ }
+ // at least one size of the fallback font loaded successfully
+ // link it:
+ fbfont->next = fb;
+ fbfont = fb;
+ }
+
+ if (fbfont == ft2 && ft2->image_font)
+ {
+ // no fallbacks were loaded successfully:
+ dpfnt->ft2 = NULL;
+ Mem_Free(ft2);
+ return false;
+ }
+
+ count = 0;
+ for (s = 0; s < MAX_FONT_SIZES && dpfnt->req_sizes[s] >= 0; ++s)
+ {
+ if (Font_LoadSize(ft2, Font_VirtualToRealSize(dpfnt->req_sizes[s]), false))
+ ++count;
+ }
+ if (!count)
+ {
+ // loading failed for every requested size
+ Font_UnloadFont(ft2);
+ Mem_Free(ft2);
+ dpfnt->ft2 = NULL;
+ return false;
+ }
+
+ //Con_Printf("%i sizes loaded\n", count);
+ dpfnt->ft2 = ft2;
+ return true;
+}
+
+static qboolean 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;
+ const unsigned char *data;
+ fs_offset_t datasize;
+
+ memset(font, 0, sizeof(*font));
+
+ if (!Font_OpenLibrary())
+ {
+ if (!r_font_disable_freetype.integer)
+ {
+ Con_Printf("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);
+
+ // 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 = fontfilecache_LoadFile(filename, false, &datasize);
+ }
+ // try load .pfb/afm
+ if (!data)
+ {
+ ft2_attachment_t afm;
+
+ memcpy(filename + namelen, ".pfb", 5);
+ data = fontfilecache_LoadFile(filename, false, &datasize);
+
+ if (data)
+ {
+ memcpy(filename + namelen, ".afm", 5);
+ 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_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);
+ _face = 0;
+ status = qFT_New_Memory_Face(font_ft2lib, (FT_Bytes)data, datasize, 0, (FT_Face*)&font->face);
+ }
+ font->data = data;
+ if (status)
+ {
+ Con_Printf("ERROR: can't create face for %s\n"
+ "Error %i\n", // TODO: error strings
+ name, status);
+ Font_UnloadFont(font);
+ return false;
+ }
+
+ // add the attachments
+ for (i = 0; i < font->attachmentcount; ++i)
+ {
+ FT_Open_Args args;
+ memset(&args, 0, sizeof(args));
+ 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((FT_Face)font->face, &args))
+ Con_Printf("Failed to add attachment %u to %s\n", (unsigned)i, font->name);
+ }
+
+ memcpy(font->name, name, namelen+1);
+ font->image_font = false;
+ font->has_kerning = !!(((FT_Face)(font->face))->face_flags & FT_FACE_FLAG_KERNING);
+ return true;
+}
+
+void Font_Postprocess_Update(ft2_font_t *fnt, int bpp, int w, int h)
+{
+ int needed, x, y;
+ float gausstable[2*POSTPROCESS_MAXRADIUS+1];
+ qboolean need_gauss = (!pp.buf || pp.blur != fnt->settings->blur || pp.shadowz != fnt->settings->shadowz);
+ qboolean 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;
+ }
+}
+
+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 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 check_only)
+{
+ int map_index;
+ ft2_font_map_t *fmap, temp;
+ int gpad_l, gpad_r, gpad_t, gpad_b;
+
+ if (!(size > 0.001f && size < 1000.0f))
+ size = 0;
+
+ if (!size)
+ size = 16;
+ if (size < 2) // bogus sizes are not allowed - and they screw up our allocations
+ return false;
+
+ 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 (map_index >= MAX_FONT_SIZES)
+ return false;
+
+ 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);
+ }
+
+ 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 && vid.support.arb_texture_non_power_of_two))
+ 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))
+ {
+ 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;
+
+ fmap->sfx = temp.sfx;
+ fmap->sfy = temp.sfy;
+
+ // load the default kerning vector:
+ if (font->has_kerning)
+ {
+ Uchar l, r;
+ FT_Vector kernvec;
+ for (l = 0; l < 256; ++l)
+ {
+ 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))
+ {
+ 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;
+ float value = 1000000;
+ float nval;
+ int matchsize = -10000;
+ int m;
+ float fsize_x, fsize_y;
+ ft2_font_map_t **maps = font->font_maps;
+
+ fsize_x = fsize_y = _fsize * vid.height / vid_conheight.value;
+ if(outw && *outw)
+ fsize_x = *outw * vid.width / vid_conwidth.value;
+ if(outh && *outh)
+ fsize_y = *outh * vid.height / vid_conheight.value;
+
+ if (fsize_x < 0)
+ {
+ if(fsize_y < 0)
+ fsize_x = fsize_y = 16;
+ else
+ fsize_x = fsize_y;
+ }
+ else
+ {
+ 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 = 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;
+ match = m;
+ matchsize = maps[m]->size;
+ if (value == 0) // there is no better match
+ break;
+ }
+ }
+ if (value <= r_font_size_snapping.value)
+ {
+ // do NOT keep the aspect for perfect rendering
+ if (outh) *outh = maps[match]->size * vid_conheight.value / vid.height;
+ if (outw) *outw = maps[match]->size * vid_conwidth.value / vid.width;
+ }
+ return match;
+}
+
+ft2_font_map_t *Font_MapForIndex(ft2_font_t *font, int index)
+{
+ if (index < 0 || index >= MAX_FONT_SIZES)
+ return NULL;
+ return font->font_maps[index];
+}
+
+static qboolean 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
+ font->currentw == w)) // same size has been requested
+ {
+ return true;
+ }
+ // sorry, but freetype doesn't seem to care about other sizes
+ w = (int)w;
+ h = (int)h;
+ if (font->image_font)
+ {
+ if (qFT_Set_Char_Size((FT_Face)font->next->face, (FT_F26Dot6)(w*64), (FT_F26Dot6)(h*64), 72, 72))
+ return false;
+ }
+ else
+ {
+ if (qFT_Set_Char_Size((FT_Face)font->face, (FT_F26Dot6)(w*64), (FT_F26Dot6)(h*64), 72, 72))
+ return false;
+ }
+ font->currentw = w;
+ font->currenth = h;
+ return true;
+}
+
+qboolean 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 || !r_font_kerning.integer)
+ return false;
+ if (map_index < 0 || map_index >= MAX_FONT_SIZES)
+ return false;
+ fmap = font->font_maps[map_index];
+ if (!fmap)
+ 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);
+ return true;
+ }
+ else
+ {
+ FT_Vector kernvec;
+ 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
+ Con_Printf("Failed to get kerning for %s\n", font->name);
+ return false;
+ }
+ ul = qFT_Get_Char_Index(font->face, left);
+ ur = qFT_Get_Char_Index(font->face, right);
+ if (qFT_Get_Kerning(font->face, ul, ur, FT_KERNING_DEFAULT, &kernvec))
+ {
+ 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("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)
+{
+ return Font_GetKerningForMap(font, Font_IndexForSize(font, h, NULL, NULL), w, h, left, right, outx, outy);
+}
+
+static void UnloadMapRec(ft2_font_map_t *map)
+{
+ if (map->pic)
+ {
+ //Draw_FreePic(map->pic); // FIXME: refcounting needed...
+ map->pic = NULL;
+ }
+ 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;
+ }
+ for (i = 0; i < MAX_FONT_SIZES; ++i)
+ {
+ if (font->font_maps[i])
+ {
+ UnloadMapRec(font->font_maps[i]);
+ font->font_maps[i] = NULL;
+ }
+ }
+ if (ft2_dll)
+ {
+ if (font->face)
+ {
+ qFT_Done_Face((FT_Face)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("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("ERROR: no appropriate size found for font %s: %f\n", font->name, size);
+ return -1;
+ }
+ --intSize;
+ }
+}
+
+static qboolean Font_LoadMap(ft2_font_t *font, ft2_font_map_t *mapstart, Uchar _ch, ft2_font_map_t **outmap)
+{
+ char map_identifier[MAX_QPATH];
+ unsigned long mapidx = _ch / FONT_CHARS_PER_MAP;
+ unsigned char *data = NULL;
+ FT_ULong ch, mapch;
+ 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
+
+ ft2_font_map_t *map, *next;
+ ft2_font_t *usefont;
+
+ 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;
+
+ 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)
+ {
+ if (!Font_SetSize(font, mapstart->intSize, mapstart->intSize))
+ {
+ Con_Printf("ERROR: can't set size for font %s: %f ((%f))\n", font->name, mapstart->size, mapstart->intSize);
+ return false;
+ }
+ if ((fontface->size->metrics.height>>6) <= mapstart->size)
+ break;
+ if (mapstart->intSize < 2)
+ {
+ Con_Printf("ERROR: no appropriate size found for font %s: %f\n", font->name, mapstart->size);
+ return false;
+ }
+ --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);
+ return false;
+ }
+
+ 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);
+ return false;
+ }
+
+ // create a totally 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",
+ 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) mapidx);
+
+ // create a cachepic_t from the data now, or reuse an existing one
+ map->pic = Draw_CachePic_Flags(map_identifier, CACHEPICFLAG_QUIET);
+ if (developer_font.integer)
+ {
+ if (map->pic->tex == r_texture_notexture)
+ Con_Printf("Generating font map %s (size: %.1f MB)\n", map_identifier, mapstart->glyphSize * (256 * 4 / 1048576.0) * mapstart->glyphSize);
+ else
+ Con_Printf("Using cached font map %s (size: %.1f MB)\n", map_identifier, mapstart->glyphSize * (256 * 4 / 1048576.0) * mapstart->glyphSize);
+ }
+
+ Font_Postprocess(font, NULL, 0, bytesPerPixel, 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->glyphSize = mapstart->glyphSize;
+ map->sfx = mapstart->sfx;
+ map->sfy = mapstart->sfy;
+
+ pitch = map->glyphSize * FONT_CHARS_PER_LINE * bytesPerPixel;
+ if (map->pic->tex == r_texture_notexture)
+ {
+ data = (unsigned char *)Mem_Alloc(font_mempool, (FONT_CHAR_LINES * map->glyphSize) * pitch);
+ if (!data)
+ {
+ Con_Printf("ERROR: Failed to allocate memory for font %s size %g\n", font->name, map->size);
+ Mem_Free(map);
+ return false;
+ }
+ // initialize as white texture with zero alpha
+ tp = 0;
+ while (tp < (FONT_CHAR_LINES * map->glyphSize) * pitch)
+ {
+ if (bytesPerPixel == 4)
+ {
+ data[tp++] = 0xFF;
+ data[tp++] = 0xFF;
+ data[tp++] = 0xFF;
+ }
+ data[tp++] = 0x00;
+ }
+ }
+
+ memset(map->width_of, 0, sizeof(map->width_of));
+
+ // 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)
+ {
+ FT_ULong glyphIndex;
+ int w, h, x, y;
+ FT_GlyphSlot glyph;
+ FT_Bitmap *bmp;
+ 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_font.integer)
+ Con_DPrint("glyphinfo: ------------- GLYPH INFO -----------------\n");
+
+ ++gC;
+ if (gC >= FONT_CHARS_PER_LINE)
+ {
+ gC -= FONT_CHARS_PER_LINE;
+ ++gR;
+ }
+
+ if (data)
+ {
+ imagedata = data + gR * pitch * map->glyphSize + gC * map->glyphSize * bytesPerPixel;
+ imagedata += gpad_t * pitch + gpad_l * bytesPerPixel;
+ }
+ //status = qFT_Load_Char(face, ch, FT_LOAD_RENDER);
+ // we need the glyphIndex
+ face = (FT_Face)font->face;
+ usefont = NULL;
+ if (font->image_font && mapch == ch && img_fontmap[mapch])
+ {
+ map->glyphs[mapch].image = true;
+ continue;
+ }
+ glyphIndex = qFT_Get_Char_Index(face, ch);
+ if (glyphIndex == 0)
+ {
+ // by convention, 0 is the "missing-glyph"-glyph
+ // try to load from a fallback font
+ for(usefont = font->next; usefont != NULL; usefont = usefont->next)
+ {
+ if (!Font_SetSize(usefont, mapstart->intSize, mapstart->intSize))
+ continue;
+ // try that glyph
+ 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 | load_flags);
+ if (status)
+ continue;
+ break;
+ }
+ if (!usefont)
+ {
+ //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 = (FT_Face)font->face;
+ glyphIndex = 0;
+ }
+ }
+
+ if (!usefont)
+ {
+ usefont = font;
+ 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);
+ Con_DPrintf("failed to load glyph for char %lx from font %s\n", (unsigned long)ch, font->name);
+ continue;
+ }
+ }
+
+ glyph = face->glyph;
+ bmp = &glyph->bitmap;
+
+ w = bmp->width;
+ h = bmp->rows;
+
+ if (w > (map->glyphSize - gpad_l - gpad_r) || h > (map->glyphSize - gpad_t - gpad_b)) {
+ 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)
+ w = map->glyphSize - gpad_l - gpad_r;
+ if (h > map->glyphSize)
+ h = map->glyphSize;
+ }
+
+ if (imagedata)
+ {
+ switch (bmp->pixel_mode)
+ {
+ case FT_PIXEL_MODE_MONO:
+ if (developer_font.integer)
+ Con_DPrint("glyphinfo: Pixel Mode: MONO\n");
+ break;
+ case FT_PIXEL_MODE_GRAY2:
+ if (developer_font.integer)
+ Con_DPrint("glyphinfo: Pixel Mode: GRAY2\n");
+ break;
+ case FT_PIXEL_MODE_GRAY4:
+ if (developer_font.integer)
+ Con_DPrint("glyphinfo: Pixel Mode: GRAY4\n");
+ break;
+ case FT_PIXEL_MODE_GRAY:
+ if (developer_font.integer)
+ Con_DPrint("glyphinfo: Pixel Mode: GRAY\n");
+ break;
+ default:
+ if (developer_font.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)
+ {
+ 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;
+ }
+ 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;
+ }
+ 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) * 0x11); dst += bytesPerPixel;
+ *dst = ( ((ch & 0x0F) ) * 0x11); dst += bytesPerPixel;
+ }
+ 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;
+ break;
+ default:
+ break;
+ }
+ }
+
+ pad_l = gpad_l;
+ pad_r = gpad_r;
+ pad_t = gpad_t;
+ pad_b = gpad_b;
+ Font_Postprocess(font, imagedata, pitch, bytesPerPixel, 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, bytesPerPixel, 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 / 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)(gC * map->glyphSize) + (double)(gpad_l - pad_l) ) / ( (double)(map->glyphSize * FONT_CHARS_PER_LINE) );
+ mapglyph->txmax = mapglyph->txmin + (double)(bmp->width + pad_l + pad_r) / ( (double)(map->glyphSize * FONT_CHARS_PER_LINE) );
+ mapglyph->tymin = ( (double)(gR * map->glyphSize) + (double)(gpad_r - pad_r) ) / ( (double)(map->glyphSize * FONT_CHAR_LINES) );
+ mapglyph->tymax = mapglyph->tymin + (double)(bmp->rows + pad_t + pad_b) / ( (double)(map->glyphSize * FONT_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 = Font_SnapTo(advance, 1 / map->size);
+ mapglyph->advance_y = 0;
+
+ if (developer_font.integer)
+ {
+ Con_DPrintf("glyphinfo: Glyph: %lu at (%i, %i)\n", (unsigned long)ch, gC, gR);
+ 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);
+ Con_DPrintf("glyphinfo: Vertex info:\n");
+ Con_DPrintf("glyphinfo: X: ( %f -- %f )\n", mapglyph->vxmin, mapglyph->vxmax);
+ Con_DPrintf("glyphinfo: Y: ( %f -- %f )\n", mapglyph->vymin, mapglyph->vymax);
+ Con_DPrintf("glyphinfo: Texture info:\n");
+ Con_DPrintf("glyphinfo: S: ( %f -- %f )\n", mapglyph->txmin, mapglyph->txmax);
+ Con_DPrintf("glyphinfo: T: ( %f -- %f )\n", mapglyph->tymin, mapglyph->tymax);
+ Con_DPrintf("glyphinfo: Advance: %f, %f\n", mapglyph->advance_x, mapglyph->advance_y);
+ }
+ }
+ map->glyphs[mapch].image = false;
+ }
+
+ if (map->pic->tex == r_texture_notexture)
+ {
+ int w = map->glyphSize * FONT_CHARS_PER_LINE;
+ int h = map->glyphSize * FONT_CHAR_LINES;
+ rtexture_t *tex;
+ // abuse the Draw_CachePic system to keep track of this texture
+ tex = R_LoadTexture2D(drawtexturepool, map_identifier, w, h, data, r_font_use_alpha_textures.integer ? TEXTYPE_ALPHA : TEXTYPE_RGBA, TEXF_ALPHA | (r_font_compress.integer > 0 ? TEXF_COMPRESS : 0), -1, NULL);
+ // if tex is NULL for any reason, the pic->tex will remain set to r_texture_notexture
+ if (tex)
+ map->pic->tex = tex;
+
+ if (r_font_diskcache.integer >= 1)
+ {
+ // swap to BGRA for tga writing...
+ int s = w * h;
+ int x;
+ int b;
+ for (x = 0;x < s;x++)
+ {
+ b = data[x*4+0];
+ data[x*4+0] = data[x*4+2];
+ data[x*4+2] = b;
+ }
+ Image_WriteTGABGRA(va("%s.tga", map_identifier), w, h, data);
+ if (r_font_compress.integer && qglGetCompressedTexImageARB && tex)
+ R_SaveTextureDDSFile(tex, va("dds/%s.dds", map_identifier), r_texture_dds_save.integer < 2, true);
+ }
+ }
+
+ if(data)
+ Mem_Free(data);
+
+ if (map->pic->tex == r_texture_notexture)
+ {
+ // 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);
+ return false;
+ }
+ if (outmap)
+ *outmap = map;
+ return true;
+}
+
+qboolean 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);
+}
+
+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)
+ return NULL;
+ return start;
+}
projects / voretournament / voretournament.git / blobdiff