]> git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - ft2.c
implemented obj model loading
[xonotic/darkplaces.git] / ft2.c
diff --git a/ft2.c b/ft2.c
index ac3b9730df90eb4209cf1475c3f461c8d957b225..0e7d31c6b04e42c58f1c24079658f4dc50f683c8 100644 (file)
--- a/ft2.c
+++ b/ft2.c
@@ -37,6 +37,8 @@ cvar_t r_font_use_alpha_textures = {CVAR_SAVE, "r_font_use_alpha_textures", "0",
 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_hinting = {CVAR_SAVE, "r_font_hinting", "3", "0 = no hinting, 1 = light autohinting, 2 = full autohinting, 3 = full hinting"};
 cvar_t r_font_antialias = {CVAR_SAVE, "r_font_antialias", "1", "0 = monochrome, 1 = grey" /* , 2 = rgb, 3 = bgr" */};
+cvar_t r_font_kerning = {CVAR_SAVE, "r_font_kerning", "1", "Use kerning if available"};
+cvar_t developer_font = {CVAR_SAVE, "developer_font", "0", "prints debug messages about fonts"};
 
 /*
 ================================================================================
@@ -173,7 +175,9 @@ qboolean Font_OpenLibrary (void)
        {
 #if defined(WIN32)
                "freetype6.dll",
+               "libfreetype-6.dll",
 #elif defined(MACOSX)
+               "libfreetype.6.dylib",
                "libfreetype.dylib",
 #else
                "libfreetype.so.6",
@@ -257,6 +261,10 @@ void Font_Init(void)
        Cvar_RegisterVariable(&r_font_size_snapping);
        Cvar_RegisterVariable(&r_font_hinting);
        Cvar_RegisterVariable(&r_font_antialias);
+       Cvar_RegisterVariable(&r_font_kerning);
+       Cvar_RegisterVariable(&developer_font);
+       // let's open it at startup already
+       Font_OpenLibrary();
 }
 
 /*
@@ -292,7 +300,7 @@ qboolean Font_Attach(ft2_font_t *font, ft2_attachment_t *attachment)
        return true;
 }
 
-static float Font_VirtualToRealSize(float sz)
+float Font_VirtualToRealSize(float sz)
 {
        int vh, vw, si;
        float sn;
@@ -308,6 +316,11 @@ static float Font_VirtualToRealSize(float sz)
        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_font_t *font);
 static qboolean Font_LoadSize(ft2_font_t *font, float size, qboolean no_texture, qboolean no_kerning);
 qboolean Font_LoadFont(const char *name, dp_font_t *dpfnt)
@@ -365,7 +378,7 @@ qboolean Font_LoadFont(const char *name, dp_font_t *dpfnt)
                        break;
                }
                count = 0;
-               for (s = 0; s < MAX_FONT_SIZES; ++s)
+               for (s = 0; s < MAX_FONT_SIZES && dpfnt->req_sizes[s] >= 0; ++s)
                {
                        if (Font_LoadSize(fb, Font_VirtualToRealSize(dpfnt->req_sizes[s]), true, false))
                                ++count;
@@ -392,7 +405,7 @@ qboolean Font_LoadFont(const char *name, dp_font_t *dpfnt)
        }
 
        count = 0;
-       for (s = 0; s < MAX_FONT_SIZES; ++s)
+       for (s = 0; s < MAX_FONT_SIZES && dpfnt->req_sizes[s] >= 0; ++s)
        {
                if (Font_LoadSize(ft2, Font_VirtualToRealSize(dpfnt->req_sizes[s]), false, false))
                        ++count;
@@ -570,8 +583,8 @@ static qboolean Font_LoadSize(ft2_font_t *font, float size, qboolean no_texture,
                                        }
                                        else
                                        {
-                                               fmap->kerning.kerning[l][r][0] = (kernvec.x >> 6) / fmap->size;
-                                               fmap->kerning.kerning[l][r][1] = (kernvec.y >> 6) / fmap->size;
+                                               fmap->kerning.kerning[l][r][0] = 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);
                                        }
                                }
                        }
@@ -588,20 +601,26 @@ int Font_IndexForSize(ft2_font_t *font, float _fsize, float *outw, float *outh)
        int nval;
        int matchsize = -10000;
        int m;
-       int size;
-       float fsize;
+       float fsize_x, fsize_y;
        ft2_font_map_t **maps = font->font_maps;
 
-       fsize = _fsize * vid.height / vid_conheight.value;
+       fsize_x = fsize_y = _fsize * vid.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 < 0)
-               size = 16;
+       if (fsize_x < 0)
+       {
+               if(fsize_y < 0)
+                       fsize_x = fsize_y = 16;
+               else
+                       fsize_x = fsize_y;
+       }
        else
        {
-               // round up
-               size = (int)fsize;
-               if (fsize - (float)size >= 0.49)
-                       ++size;
+               if(fsize_y < 0)
+                       fsize_y = fsize_x;
        }
 
        for (m = 0; m < MAX_FONT_SIZES; ++m)
@@ -609,7 +628,7 @@ int Font_IndexForSize(ft2_font_t *font, float _fsize, float *outw, float *outh)
                if (!maps[m])
                        continue;
                // "round up" to the bigger size if two equally-valued matches exist
-               nval = abs(maps[m]->size - size);
+               nval = 0.5 * (abs(maps[m]->size - fsize_x) + abs(maps[m]->size - fsize_y));
                if (match == -1 || nval < value || (nval == value && matchsize < maps[m]->size))
                {
                        value = nval;
@@ -621,14 +640,9 @@ int Font_IndexForSize(ft2_font_t *font, float _fsize, float *outw, float *outh)
        }
        if (value <= r_font_size_snapping.value)
        {
-               if (outw && outh)
-               {
-                       if (!*outh) *outh = *outw;
-                       if (!*outw) *outw = *outh;
-               }
-               // keep the aspect
+               // 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 * *outw / _fsize;
+               if (outw) *outw = maps[match]->size * vid_conwidth.value / vid.width;
        }
        return match;
 }
@@ -669,7 +683,7 @@ static qboolean Font_SetSize(ft2_font_t *font, float w, float h)
 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)
+       if (!font->has_kerning || !r_font_kerning.integer)
                return false;
        if (map_index < 0 || map_index >= MAX_FONT_SIZES)
                return false;
@@ -678,9 +692,10 @@ qboolean Font_GetKerningForMap(ft2_font_t *font, int map_index, float w, float h
                return false;
        if (left < 256 && right < 256)
        {
+               //Con_Printf("%g : %f, %f, %f :: %f\n", (w / (float)fmap->size), w, fmap->size, fmap->intSize, Font_VirtualToRealSize(w));
                // quick-kerning, be aware of the size: scale it
-               if (outx) *outx = fmap->kerning.kerning[left][right][0] * w / (float)fmap->size;
-               if (outy) *outy = fmap->kerning.kerning[left][right][1] * h / (float)fmap->size;
+               if (outx) *outx = fmap->kerning.kerning[left][right][0];// * (w / (float)fmap->size);
+               if (outy) *outy = fmap->kerning.kerning[left][right][1];// * (h / (float)fmap->size);
                return true;
        }
        else
@@ -689,6 +704,7 @@ qboolean Font_GetKerningForMap(ft2_font_t *font, int map_index, float w, float h
                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
@@ -699,8 +715,23 @@ qboolean Font_GetKerningForMap(ft2_font_t *font, int map_index, float w, float h
                ur = qFT_Get_Char_Index(font->face, right);
                if (qFT_Get_Kerning(font->face, ul, ur, FT_KERNING_DEFAULT, &kernvec))
                {
-                       if (outx) *outx = kernvec.x * fmap->sfx;
-                       if (outy) *outy = kernvec.y * fmap->sfy;
+                       if (outx) *outx = Font_SnapTo(kernvec.x * fmap->sfx, 1 / fmap->size);
+                       if (outy) *outy = Font_SnapTo(kernvec.y * fmap->sfy, 1 / fmap->size);
+                       return true;
+               }
+#endif
+               if (!Font_SetSize(font, fmap->intSize, fmap->intSize))
+               {
+                       // this deserves an error message
+                       Con_Printf("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);// * (w / (float)fmap->size);
+                       if (outy) *outy = Font_SnapTo(kernvec.y * fmap->sfy, 1 / fmap->size);// * (h / (float)fmap->size);
                        return true;
                }
                return false;
@@ -875,6 +906,7 @@ static qboolean Font_LoadMap(ft2_font_t *font, ft2_font_map_t *mapstart, Uchar _
                Mem_Free(map);
                return false;
        }
+       memset(map->width_of, 0, sizeof(map->width_of));
 
        // initialize as white texture with zero alpha
        tp = 0;
@@ -913,7 +945,7 @@ static qboolean Font_LoadMap(ft2_font_t *font, ft2_font_map_t *mapstart, Uchar _
 
                mapch = ch - map->start;
 
-               if (developer_extra.integer)
+               if (developer_font.integer)
                        Con_DPrint("glyphinfo: ------------- GLYPH INFO -----------------\n");
 
                ++gC;
@@ -991,23 +1023,23 @@ static qboolean Font_LoadMap(ft2_font_t *font, ft2_font_map_t *mapstart, Uchar _
                switch (bmp->pixel_mode)
                {
                case FT_PIXEL_MODE_MONO:
-                       if (developer_extra.integer)
+                       if (developer_font.integer)
                                Con_DPrint("glyphinfo:   Pixel Mode: MONO\n");
                        break;
                case FT_PIXEL_MODE_GRAY2:
-                       if (developer_extra.integer)
+                       if (developer_font.integer)
                                Con_DPrint("glyphinfo:   Pixel Mode: GRAY2\n");
                        break;
                case FT_PIXEL_MODE_GRAY4:
-                       if (developer_extra.integer)
+                       if (developer_font.integer)
                                Con_DPrint("glyphinfo:   Pixel Mode: GRAY4\n");
                        break;
                case FT_PIXEL_MODE_GRAY:
-                       if (developer_extra.integer)
+                       if (developer_font.integer)
                                Con_DPrint("glyphinfo:   Pixel Mode: GRAY\n");
                        break;
                default:
-                       if (developer_extra.integer)
+                       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);
@@ -1075,26 +1107,31 @@ static qboolean Font_LoadMap(ft2_font_t *font, ft2_font_map_t *mapstart, Uchar _
                        // old way
                        // double advance = (double)glyph->metrics.horiAdvance * map->sfx;
 
-                       double bearingX = (glyph->metrics.horiBearingX >> 6) / map->size;
-                       double bearingY = (glyph->metrics.horiBearingY >> 6) / map->size;
-                       double advance = (glyph->advance.x >> 6) / map->size;
-                       double mWidth = (glyph->metrics.width >> 6) / map->size;
-                       double mHeight = (glyph->metrics.height >> 6) / map->size;
+                       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->vxmin = bearingX;
-                       mapglyph->vxmax = bearingX + mWidth;
-                       mapglyph->vymin = -bearingY;
-                       mapglyph->vymax = mHeight - bearingY;
                        mapglyph->txmin = ( (double)(gC * map->glyphSize) ) / ( (double)(map->glyphSize * FONT_CHARS_PER_LINE) );
                        mapglyph->txmax = mapglyph->txmin + (double)bmp->width / ( (double)(map->glyphSize * FONT_CHARS_PER_LINE) );
                        mapglyph->tymin = ( (double)(gR * map->glyphSize) ) / ( (double)(map->glyphSize * FONT_CHAR_LINES) );
                        mapglyph->tymax = mapglyph->tymin + (double)bmp->rows / ( (double)(map->glyphSize * FONT_CHAR_LINES) );
-                       //Con_Printf("dpi = %f %f (%f %d)\n", (mapglyph->vxmax - mapglyph->vxmin) / (mapglyph->txmax - mapglyph->txmin), (mapglyph->vymax - mapglyph->vymin) / (mapglyph->tymax - mapglyph->tymin), map->size, map->glyphSize);
+                       //mapglyph->vxmin = bearingX;
+                       //mapglyph->vxmax = bearingX + mWidth;
+                       mapglyph->vxmin = glyph->bitmap_left / map->size;
+                       mapglyph->vxmax = mapglyph->vxmin + bmp->width / map->size; // don't ask
+                       //mapglyph->vymin = -bearingY;
+                       //mapglyph->vymax = mHeight - bearingY;
+                       mapglyph->vymin = -glyph->bitmap_top / map->size;
+                       mapglyph->vymax = mapglyph->vymin + bmp->rows / map->size;
+                       //Con_Printf("dpi = %f %f (%f %d) %d %d\n", bmp->width / (mapglyph->vxmax - mapglyph->vxmin), bmp->rows / (mapglyph->vymax - mapglyph->vymin), map->size, map->glyphSize, (int)fontface->size->metrics.x_ppem, (int)fontface->size->metrics.y_ppem);
                        //mapglyph->advance_x = advance * usefont->size;
-                       mapglyph->advance_x = advance;
+                       //mapglyph->advance_x = advance;
+                       mapglyph->advance_x = Font_SnapTo(advance, 1 / map->size);
                        mapglyph->advance_y = 0;
 
-                       if (developer_extra.integer)
+                       if (developer_font.integer)
                        {
                                Con_DPrintf("glyphinfo:   Glyph: %lu   at (%i, %i)\n", (unsigned long)ch, gC, gR);
                                Con_DPrintf("glyphinfo:   %f, %f, %lu\n", bearingX, map->sfx, (unsigned long)glyph->metrics.horiBearingX);
@@ -1114,7 +1151,7 @@ static qboolean Font_LoadMap(ft2_font_t *font, ft2_font_map_t *mapstart, Uchar _
 
        // create a texture from the data now
 
-       if (developer_extra.integer)
+       if (developer_font.integer > 100)
        {
                // LordHavoc: why are we writing this?  And why not write it as TGA using the appropriate function?
                // view using `display -depth 8 -size 512x512 name_page.rgba` (be sure to use a correct -size parameter)