mirror of
https://github.com/juce-framework/JUCE.git
synced 2026-01-10 23:44:24 +00:00
Add Harfbuzz dependency
This commit is contained in:
reuk
parent
9508c30f12
commit
f491f126b7
395 changed files with 165279 additions and 60 deletions
222
modules/juce_graphics/fonts/harfbuzz/hb-ot-cff2-table.cc
Normal file
222
modules/juce_graphics/fonts/harfbuzz/hb-ot-cff2-table.cc
Normal file
|
|
@ -0,0 +1,222 @@
|
|||
/*
|
||||
* Copyright © 2018 Adobe Inc.
|
||||
*
|
||||
* This is part of HarfBuzz, a text shaping library.
|
||||
*
|
||||
* Permission is hereby granted, without written agreement and without
|
||||
* license or royalty fees, to use, copy, modify, and distribute this
|
||||
* software and its documentation for any purpose, provided that the
|
||||
* above copyright notice and the following two paragraphs appear in
|
||||
* all copies of this software.
|
||||
*
|
||||
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
|
||||
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
|
||||
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
|
||||
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
|
||||
* DAMAGE.
|
||||
*
|
||||
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
|
||||
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
|
||||
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
|
||||
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
|
||||
*
|
||||
* Adobe Author(s): Michiharu Ariza
|
||||
*/
|
||||
|
||||
#include "hb.hh"
|
||||
|
||||
#ifndef HB_NO_OT_FONT_CFF
|
||||
|
||||
#include "hb-ot-cff2-table.hh"
|
||||
#include "hb-cff2-interp-cs.hh"
|
||||
#include "hb-draw.hh"
|
||||
|
||||
using namespace CFF;
|
||||
|
||||
struct cff2_extents_param_t
|
||||
{
|
||||
cff2_extents_param_t ()
|
||||
{
|
||||
min_x.set_int (INT_MAX);
|
||||
min_y.set_int (INT_MAX);
|
||||
max_x.set_int (INT_MIN);
|
||||
max_y.set_int (INT_MIN);
|
||||
}
|
||||
|
||||
void start_path () { path_open = true; }
|
||||
void end_path () { path_open = false; }
|
||||
bool is_path_open () const { return path_open; }
|
||||
|
||||
void update_bounds (const point_t &pt)
|
||||
{
|
||||
if (pt.x < min_x) min_x = pt.x;
|
||||
if (pt.x > max_x) max_x = pt.x;
|
||||
if (pt.y < min_y) min_y = pt.y;
|
||||
if (pt.y > max_y) max_y = pt.y;
|
||||
}
|
||||
|
||||
bool path_open = false;
|
||||
number_t min_x;
|
||||
number_t min_y;
|
||||
number_t max_x;
|
||||
number_t max_y;
|
||||
};
|
||||
|
||||
struct cff2_path_procs_extents_t : path_procs_t<cff2_path_procs_extents_t, cff2_cs_interp_env_t<number_t>, cff2_extents_param_t>
|
||||
{
|
||||
static void moveto (cff2_cs_interp_env_t<number_t> &env, cff2_extents_param_t& param, const point_t &pt)
|
||||
{
|
||||
param.end_path ();
|
||||
env.moveto (pt);
|
||||
}
|
||||
|
||||
static void line (cff2_cs_interp_env_t<number_t> &env, cff2_extents_param_t& param, const point_t &pt1)
|
||||
{
|
||||
if (!param.is_path_open ())
|
||||
{
|
||||
param.start_path ();
|
||||
param.update_bounds (env.get_pt ());
|
||||
}
|
||||
env.moveto (pt1);
|
||||
param.update_bounds (env.get_pt ());
|
||||
}
|
||||
|
||||
static void curve (cff2_cs_interp_env_t<number_t> &env, cff2_extents_param_t& param, const point_t &pt1, const point_t &pt2, const point_t &pt3)
|
||||
{
|
||||
if (!param.is_path_open ())
|
||||
{
|
||||
param.start_path ();
|
||||
param.update_bounds (env.get_pt ());
|
||||
}
|
||||
/* include control points */
|
||||
param.update_bounds (pt1);
|
||||
param.update_bounds (pt2);
|
||||
env.moveto (pt3);
|
||||
param.update_bounds (env.get_pt ());
|
||||
}
|
||||
};
|
||||
|
||||
struct cff2_cs_opset_extents_t : cff2_cs_opset_t<cff2_cs_opset_extents_t, cff2_extents_param_t, number_t, cff2_path_procs_extents_t> {};
|
||||
|
||||
bool OT::cff2::accelerator_t::get_extents (hb_font_t *font,
|
||||
hb_codepoint_t glyph,
|
||||
hb_glyph_extents_t *extents) const
|
||||
{
|
||||
#ifdef HB_NO_OT_FONT_CFF
|
||||
/* XXX Remove check when this code moves to .hh file. */
|
||||
return true;
|
||||
#endif
|
||||
|
||||
if (unlikely (!is_valid () || (glyph >= num_glyphs))) return false;
|
||||
|
||||
unsigned int fd = fdSelect->get_fd (glyph);
|
||||
const hb_ubytes_t str = (*charStrings)[glyph];
|
||||
cff2_cs_interp_env_t<number_t> env (str, *this, fd, font->coords, font->num_coords);
|
||||
cff2_cs_interpreter_t<cff2_cs_opset_extents_t, cff2_extents_param_t, number_t> interp (env);
|
||||
cff2_extents_param_t param;
|
||||
if (unlikely (!interp.interpret (param))) return false;
|
||||
|
||||
if (param.min_x >= param.max_x)
|
||||
{
|
||||
extents->width = 0;
|
||||
extents->x_bearing = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
extents->x_bearing = roundf (param.min_x.to_real ());
|
||||
extents->width = roundf (param.max_x.to_real () - extents->x_bearing);
|
||||
}
|
||||
if (param.min_y >= param.max_y)
|
||||
{
|
||||
extents->height = 0;
|
||||
extents->y_bearing = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
extents->y_bearing = roundf (param.max_y.to_real ());
|
||||
extents->height = roundf (param.min_y.to_real () - extents->y_bearing);
|
||||
}
|
||||
|
||||
font->scale_glyph_extents (extents);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool OT::cff2::accelerator_t::paint_glyph (hb_font_t *font, hb_codepoint_t glyph, hb_paint_funcs_t *funcs, void *data, hb_color_t foreground) const
|
||||
{
|
||||
funcs->push_clip_glyph (data, glyph, font);
|
||||
funcs->color (data, true, foreground);
|
||||
funcs->pop_clip (data);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
struct cff2_path_param_t
|
||||
{
|
||||
cff2_path_param_t (hb_font_t *font_, hb_draw_session_t &draw_session_)
|
||||
{
|
||||
draw_session = &draw_session_;
|
||||
font = font_;
|
||||
}
|
||||
|
||||
void move_to (const point_t &p)
|
||||
{ draw_session->move_to (font->em_fscalef_x (p.x.to_real ()), font->em_fscalef_y (p.y.to_real ())); }
|
||||
|
||||
void line_to (const point_t &p)
|
||||
{ draw_session->line_to (font->em_fscalef_x (p.x.to_real ()), font->em_fscalef_y (p.y.to_real ())); }
|
||||
|
||||
void cubic_to (const point_t &p1, const point_t &p2, const point_t &p3)
|
||||
{
|
||||
draw_session->cubic_to (font->em_fscalef_x (p1.x.to_real ()), font->em_fscalef_y (p1.y.to_real ()),
|
||||
font->em_fscalef_x (p2.x.to_real ()), font->em_fscalef_y (p2.y.to_real ()),
|
||||
font->em_fscalef_x (p3.x.to_real ()), font->em_fscalef_y (p3.y.to_real ()));
|
||||
}
|
||||
|
||||
protected:
|
||||
hb_draw_session_t *draw_session;
|
||||
hb_font_t *font;
|
||||
};
|
||||
|
||||
struct cff2_path_procs_path_t : path_procs_t<cff2_path_procs_path_t, cff2_cs_interp_env_t<number_t>, cff2_path_param_t>
|
||||
{
|
||||
static void moveto (cff2_cs_interp_env_t<number_t> &env, cff2_path_param_t& param, const point_t &pt)
|
||||
{
|
||||
param.move_to (pt);
|
||||
env.moveto (pt);
|
||||
}
|
||||
|
||||
static void line (cff2_cs_interp_env_t<number_t> &env, cff2_path_param_t& param, const point_t &pt1)
|
||||
{
|
||||
param.line_to (pt1);
|
||||
env.moveto (pt1);
|
||||
}
|
||||
|
||||
static void curve (cff2_cs_interp_env_t<number_t> &env, cff2_path_param_t& param, const point_t &pt1, const point_t &pt2, const point_t &pt3)
|
||||
{
|
||||
param.cubic_to (pt1, pt2, pt3);
|
||||
env.moveto (pt3);
|
||||
}
|
||||
};
|
||||
|
||||
struct cff2_cs_opset_path_t : cff2_cs_opset_t<cff2_cs_opset_path_t, cff2_path_param_t, number_t, cff2_path_procs_path_t> {};
|
||||
|
||||
bool OT::cff2::accelerator_t::get_path (hb_font_t *font, hb_codepoint_t glyph, hb_draw_session_t &draw_session) const
|
||||
{
|
||||
#ifdef HB_NO_OT_FONT_CFF
|
||||
/* XXX Remove check when this code moves to .hh file. */
|
||||
return true;
|
||||
#endif
|
||||
|
||||
if (unlikely (!is_valid () || (glyph >= num_glyphs))) return false;
|
||||
|
||||
unsigned int fd = fdSelect->get_fd (glyph);
|
||||
const hb_ubytes_t str = (*charStrings)[glyph];
|
||||
cff2_cs_interp_env_t<number_t> env (str, *this, fd, font->coords, font->num_coords);
|
||||
cff2_cs_interpreter_t<cff2_cs_opset_path_t, cff2_path_param_t, number_t> interp (env);
|
||||
cff2_path_param_t param (font, draw_session);
|
||||
if (unlikely (!interp.interpret (param))) return false;
|
||||
return true;
|
||||
}
|
||||
|
||||
#endif
|
||||
Loading…
Add table
Add a link
Reference in a new issue