mirror of
https://github.com/DrBeef/QuakeQuest.git
synced 2024-12-22 18:41:32 +00:00
1594 lines
46 KiB
C
1594 lines
46 KiB
C
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/* FreeType 2 and UTF-8 encoding support for
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* DarkPlaces
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*/
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#include "quakedef.h"
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#include "ft2.h"
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#include "ft2_defs.h"
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#include "ft2_fontdefs.h"
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#include "image.h"
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static int img_fontmap[256] = {
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // shift+digit line
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // digits
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // caps
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // caps
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // small
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // small
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // specials
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // faces
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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};
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/*
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================================================================================
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CVars introduced with the freetype extension
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================================================================================
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*/
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cvar_t r_font_disable_freetype = {CVAR_SAVE, "r_font_disable_freetype", "1", "disable freetype support for fonts entirely"};
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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"};
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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!"};
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cvar_t r_font_kerning = {CVAR_SAVE, "r_font_kerning", "1", "Use kerning if available"};
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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"};
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cvar_t r_font_compress = {CVAR_SAVE, "r_font_compress", "0", "use texture compression on font textures to save video memory"};
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cvar_t r_font_nonpoweroftwo = {CVAR_SAVE, "r_font_nonpoweroftwo", "1", "use nonpoweroftwo textures for font (saves memory, potentially slower)"};
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cvar_t developer_font = {CVAR_SAVE, "developer_font", "0", "prints debug messages about fonts"};
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/*
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================================================================================
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Function definitions. Taken from the freetype2 headers.
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================================================================================
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*/
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FT_EXPORT( FT_Error )
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(*qFT_Init_FreeType)( FT_Library *alibrary );
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FT_EXPORT( FT_Error )
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(*qFT_Done_FreeType)( FT_Library library );
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/*
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FT_EXPORT( FT_Error )
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(*qFT_New_Face)( FT_Library library,
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const char* filepathname,
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FT_Long face_index,
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FT_Face *aface );
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*/
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FT_EXPORT( FT_Error )
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(*qFT_New_Memory_Face)( FT_Library library,
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const FT_Byte* file_base,
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FT_Long file_size,
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FT_Long face_index,
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FT_Face *aface );
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FT_EXPORT( FT_Error )
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(*qFT_Done_Face)( FT_Face face );
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FT_EXPORT( FT_Error )
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(*qFT_Select_Size)( FT_Face face,
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FT_Int strike_index );
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FT_EXPORT( FT_Error )
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(*qFT_Request_Size)( FT_Face face,
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FT_Size_Request req );
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FT_EXPORT( FT_Error )
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(*qFT_Set_Char_Size)( FT_Face face,
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FT_F26Dot6 char_width,
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FT_F26Dot6 char_height,
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FT_UInt horz_resolution,
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FT_UInt vert_resolution );
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FT_EXPORT( FT_Error )
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(*qFT_Set_Pixel_Sizes)( FT_Face face,
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FT_UInt pixel_width,
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FT_UInt pixel_height );
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FT_EXPORT( FT_Error )
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(*qFT_Load_Glyph)( FT_Face face,
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FT_UInt glyph_index,
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FT_Int32 load_flags );
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FT_EXPORT( FT_Error )
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(*qFT_Load_Char)( FT_Face face,
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FT_ULong char_code,
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FT_Int32 load_flags );
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FT_EXPORT( FT_UInt )
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(*qFT_Get_Char_Index)( FT_Face face,
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FT_ULong charcode );
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FT_EXPORT( FT_Error )
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(*qFT_Render_Glyph)( FT_GlyphSlot slot,
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FT_Render_Mode render_mode );
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FT_EXPORT( FT_Error )
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(*qFT_Get_Kerning)( FT_Face face,
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FT_UInt left_glyph,
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FT_UInt right_glyph,
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FT_UInt kern_mode,
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FT_Vector *akerning );
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FT_EXPORT( FT_Error )
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(*qFT_Attach_Stream)( FT_Face face,
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FT_Open_Args* parameters );
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/*
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================================================================================
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Support for dynamically loading the FreeType2 library
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================================================================================
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*/
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static dllfunction_t ft2funcs[] =
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{
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{"FT_Init_FreeType", (void **) &qFT_Init_FreeType},
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{"FT_Done_FreeType", (void **) &qFT_Done_FreeType},
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//{"FT_New_Face", (void **) &qFT_New_Face},
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{"FT_New_Memory_Face", (void **) &qFT_New_Memory_Face},
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{"FT_Done_Face", (void **) &qFT_Done_Face},
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{"FT_Select_Size", (void **) &qFT_Select_Size},
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{"FT_Request_Size", (void **) &qFT_Request_Size},
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{"FT_Set_Char_Size", (void **) &qFT_Set_Char_Size},
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{"FT_Set_Pixel_Sizes", (void **) &qFT_Set_Pixel_Sizes},
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{"FT_Load_Glyph", (void **) &qFT_Load_Glyph},
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{"FT_Load_Char", (void **) &qFT_Load_Char},
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{"FT_Get_Char_Index", (void **) &qFT_Get_Char_Index},
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{"FT_Render_Glyph", (void **) &qFT_Render_Glyph},
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{"FT_Get_Kerning", (void **) &qFT_Get_Kerning},
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{"FT_Attach_Stream", (void **) &qFT_Attach_Stream},
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{NULL, NULL}
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};
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/// Handle for FreeType2 DLL
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static dllhandle_t ft2_dll = NULL;
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/// Memory pool for fonts
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static mempool_t *font_mempool= NULL;
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/// FreeType library handle
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static FT_Library font_ft2lib = NULL;
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#define POSTPROCESS_MAXRADIUS 8
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typedef struct
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{
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unsigned char *buf, *buf2;
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int bufsize, bufwidth, bufheight, bufpitch;
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float blur, outline, shadowx, shadowy, shadowz;
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int padding_t, padding_b, padding_l, padding_r, blurpadding_lt, blurpadding_rb, outlinepadding_t, outlinepadding_b, outlinepadding_l, outlinepadding_r;
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unsigned char circlematrix[2*POSTPROCESS_MAXRADIUS+1][2*POSTPROCESS_MAXRADIUS+1];
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unsigned char gausstable[2*POSTPROCESS_MAXRADIUS+1];
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}
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font_postprocess_t;
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static font_postprocess_t pp;
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typedef struct fontfilecache_s
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{
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unsigned char *buf;
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fs_offset_t len;
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int refcount;
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char path[MAX_QPATH];
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}
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fontfilecache_t;
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#define MAX_FONTFILES 8
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static fontfilecache_t fontfiles[MAX_FONTFILES];
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static const unsigned char *fontfilecache_LoadFile(const char *path, qboolean quiet, fs_offset_t *filesizepointer)
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{
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int i;
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unsigned char *buf;
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for(i = 0; i < MAX_FONTFILES; ++i)
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{
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if(fontfiles[i].refcount > 0)
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if(!strcmp(path, fontfiles[i].path))
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{
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*filesizepointer = fontfiles[i].len;
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++fontfiles[i].refcount;
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return fontfiles[i].buf;
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}
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}
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buf = FS_LoadFile(path, font_mempool, quiet, filesizepointer);
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if(buf)
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{
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for(i = 0; i < MAX_FONTFILES; ++i)
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if(fontfiles[i].refcount <= 0)
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{
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strlcpy(fontfiles[i].path, path, sizeof(fontfiles[i].path));
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fontfiles[i].len = *filesizepointer;
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fontfiles[i].buf = buf;
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fontfiles[i].refcount = 1;
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return buf;
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}
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}
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return buf;
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}
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static void fontfilecache_Free(const unsigned char *buf)
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{
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int i;
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for(i = 0; i < MAX_FONTFILES; ++i)
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{
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if(fontfiles[i].refcount > 0)
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if(fontfiles[i].buf == buf)
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{
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if(--fontfiles[i].refcount <= 0)
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{
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Mem_Free(fontfiles[i].buf);
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fontfiles[i].buf = NULL;
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}
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return;
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}
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}
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// if we get here, it used regular allocation
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Mem_Free((void *) buf);
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}
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static void fontfilecache_FreeAll(void)
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{
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int i;
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for(i = 0; i < MAX_FONTFILES; ++i)
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{
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if(fontfiles[i].refcount > 0)
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Mem_Free(fontfiles[i].buf);
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fontfiles[i].buf = NULL;
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fontfiles[i].refcount = 0;
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}
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}
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/*
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====================
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Font_CloseLibrary
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Unload the FreeType2 DLL
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====================
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*/
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void Font_CloseLibrary (void)
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{
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fontfilecache_FreeAll();
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if (font_mempool)
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Mem_FreePool(&font_mempool);
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if (font_ft2lib && qFT_Done_FreeType)
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{
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qFT_Done_FreeType(font_ft2lib);
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font_ft2lib = NULL;
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}
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Sys_UnloadLibrary (&ft2_dll);
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pp.buf = NULL;
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}
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/*
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====================
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Font_OpenLibrary
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Try to load the FreeType2 DLL
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====================
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*/
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qboolean Font_OpenLibrary (void)
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{
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const char* dllnames [] =
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{
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#if defined(WIN32)
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"libfreetype-6.dll",
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"freetype6.dll",
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#elif defined(MACOSX)
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"libfreetype.6.dylib",
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"libfreetype.dylib",
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#else
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"libfreetype.so.6",
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"libfreetype.so",
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#endif
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NULL
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};
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if (r_font_disable_freetype.integer)
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return false;
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// Already loaded?
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if (ft2_dll)
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return true;
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// Load the DLL
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if (!Sys_LoadLibrary (dllnames, &ft2_dll, ft2funcs))
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return false;
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return true;
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}
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/*
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====================
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Font_Init
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Initialize the freetype2 font subsystem
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====================
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*/
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void font_start(void)
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{
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if (!Font_OpenLibrary())
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return;
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if (qFT_Init_FreeType(&font_ft2lib))
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{
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Con_Print("ERROR: Failed to initialize the FreeType2 library!\n");
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Font_CloseLibrary();
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return;
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}
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font_mempool = Mem_AllocPool("FONT", 0, NULL);
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if (!font_mempool)
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{
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Con_Print("ERROR: Failed to allocate FONT memory pool!\n");
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Font_CloseLibrary();
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return;
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}
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}
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void font_shutdown(void)
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{
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int i;
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for (i = 0; i < dp_fonts.maxsize; ++i)
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{
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if (dp_fonts.f[i].ft2)
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{
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Font_UnloadFont(dp_fonts.f[i].ft2);
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dp_fonts.f[i].ft2 = NULL;
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}
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}
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Font_CloseLibrary();
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}
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void font_newmap(void)
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{
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}
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void Font_Init(void)
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{
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Cvar_RegisterVariable(&r_font_nonpoweroftwo);
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Cvar_RegisterVariable(&r_font_disable_freetype);
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Cvar_RegisterVariable(&r_font_use_alpha_textures);
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Cvar_RegisterVariable(&r_font_size_snapping);
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Cvar_RegisterVariable(&r_font_kerning);
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Cvar_RegisterVariable(&r_font_diskcache);
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Cvar_RegisterVariable(&r_font_compress);
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Cvar_RegisterVariable(&developer_font);
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// let's open it at startup already
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Font_OpenLibrary();
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}
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/*
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||
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================================================================================
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||
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Implementation of a more or less lazy font loading and rendering code.
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================================================================================
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*/
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#include "ft2_fontdefs.h"
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ft2_font_t *Font_Alloc(void)
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{
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if (!ft2_dll)
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return NULL;
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return (ft2_font_t *)Mem_Alloc(font_mempool, sizeof(ft2_font_t));
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}
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static qboolean Font_Attach(ft2_font_t *font, ft2_attachment_t *attachment)
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{
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ft2_attachment_t *na;
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font->attachmentcount++;
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na = (ft2_attachment_t*)Mem_Alloc(font_mempool, sizeof(font->attachments[0]) * font->attachmentcount);
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if (na == NULL)
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return false;
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if (font->attachments && font->attachmentcount > 1)
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{
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memcpy(na, font->attachments, sizeof(font->attachments[0]) * (font->attachmentcount - 1));
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Mem_Free(font->attachments);
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}
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memcpy(na + sizeof(font->attachments[0]) * (font->attachmentcount - 1), attachment, sizeof(*attachment));
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font->attachments = na;
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return true;
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}
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float Font_VirtualToRealSize(float sz)
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{
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int vh;
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//int vw;
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int si;
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float sn;
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if(sz < 0)
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return sz;
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//vw = ((vid.width > 0) ? vid.width : vid_width.value);
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vh = ((vid.height > 0) ? vid.height : vid_height.value);
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// now try to scale to our actual size:
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sn = sz * vh / vid_conheight.value;
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si = (int)sn;
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if ( sn - (float)si >= 0.5 )
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++si;
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return si;
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}
|
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float Font_SnapTo(float val, float snapwidth)
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||
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{
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||
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return floor(val / snapwidth + 0.5f) * snapwidth;
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}
|
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|
||
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static qboolean Font_LoadFile(const char *name, int _face, ft2_settings_t *settings, ft2_font_t *font);
|
||
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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;
|
||
|
char vabuf[1024];
|
||
|
|
||
|
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(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("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, _face, (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;
|
||
|
}
|
||
|
|
||
|
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];
|
||
|
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;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
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 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;
|
||
|
char vabuf[1024];
|
||
|
|
||
|
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(vabuf, sizeof(vabuf), "%s.tga", map_identifier), w, h, data);
|
||
|
#ifndef USE_GLES2
|
||
|
if (r_font_compress.integer && qglGetCompressedTexImageARB && tex)
|
||
|
R_SaveTextureDDSFile(tex, va(vabuf, sizeof(vabuf), "dds/%s.dds", map_identifier), r_texture_dds_save.integer < 2, true);
|
||
|
#endif
|
||
|
}
|
||
|
}
|
||
|
|
||
|
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;
|
||
|
}
|