src/gallium/state_trackers/vega/text.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2010 LunarG, Inc.  All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sub license, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial portions
  15  * of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  20  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  21  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  22  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  23  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  **************************************************************************/
  26
  27 #ifndef _TEXT_H
  28 #define _TEXT_H
  29
  30 #include "vg_context.h"
  31 #include "cso_cache/cso_hash.h"
  32
  33 struct vg_font;
  34 struct vg_image;
  35 struct path;
  36
  37 struct vg_font *font_create(VGint glyphCapacityHint);
  38 void font_destroy(struct vg_font *font);
  39
  40 void font_set_glyph_to_path(struct vg_font *font,
  41                             VGuint glyphIndex,
  42                             struct path *path,
  43                             VGboolean isHinted,
  44                             const VGfloat glyphOrigin[2],
  45                             const VGfloat escapement[2]);
  46
  47 void font_set_glyph_to_image(struct vg_font *font,
  48                              VGuint glyphIndex,
  49                              struct vg_image *image,
  50                              const VGfloat glyphOrigin[2],
  51                              const VGfloat escapement[2]);
  52
  53 void font_clear_glyph(struct vg_font *font,
  54                       VGuint glyphIndex);
  55
  56 void font_draw_glyph(struct vg_font *font,
  57                      VGuint glyphIndex,
  58                      VGbitfield paintModes,
  59                      VGboolean allowAutoHinting);
  60
  61 void font_draw_glyphs(struct vg_font *font,
  62                       VGint glyphCount,
  63                       const VGuint *glyphIndices,
  64                       const VGfloat *adjustments_x,
  65                       const VGfloat *adjustments_y,
  66                       VGbitfield paintModes,
  67                       VGboolean allowAutoHinting);
  68
  69 VGint font_num_glyphs(struct vg_font *font);
  70
  71 #endif /* _TEXT_H */