blf_default.cc

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/* SPDX-FileCopyrightText: 2009 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#include "DNA_userdef_types.h"
 
#include "BLI_assert.h"
#include "BLI_math_vector_types.hh"
 
#include "BLF_api.hh"
 
#include "blf_internal.hh"
 
/* call BLF_default_set first! */
#define ASSERT_DEFAULT_SET BLI_assert(global_font_default != -1)
 
/* Default size and dpi, for BLF_draw_default. */
static int global_font_default = -1;
/* Keep in sync with `UI_DEFAULT_TEXT_POINTS` */
static float global_font_size = 11.0f;
 
void BLF_default_size(float size)
{
  global_font_size = size;
}
 
void BLF_default_set(int fontid)
{
  if ((fontid == -1) || blf_font_id_is_valid(fontid)) {
    global_font_default = fontid;
  }
}
 
int BLF_default()
{
  ASSERT_DEFAULT_SET;
  return global_font_default;
}
 
int BLF_set_default()
{
  ASSERT_DEFAULT_SET;
 
  BLF_size(global_font_default, global_font_size * UI_SCALE_FAC);
 
  return global_font_default;
}
 
void BLF_draw_default(float x, float y, float z, const char *str, const size_t str_len)
{
  ASSERT_DEFAULT_SET;
  BLF_size(global_font_default, global_font_size * UI_SCALE_FAC);
  BLF_position(global_font_default, x, y, z);
  BLF_draw(global_font_default, str, str_len);
}