gfx/thebes/gfxFontTest.h

   1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
   2  * This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef GFX_FONT_TEST_H
   7 #define GFX_FONT_TEST_H
   8
   9 #include "nsString.h"
  10 #include "nsTArray.h"
  11
  12 #include "cairo/cairo.h"
  13
  14 struct gfxFontTestItem {
  15     gfxFontTestItem(const nsCString& fontName,
  16                     cairo_glyph_t *cglyphs, int nglyphs)
  17         : platformFont(fontName)
  18     {
  19         glyphs = new cairo_glyph_t[nglyphs];
  20         memcpy (glyphs, cglyphs, sizeof(cairo_glyph_t) * nglyphs);
  21         num_glyphs = nglyphs;
  22     }
  23
  24     gfxFontTestItem(const gfxFontTestItem& other) {
  25         platformFont = other.platformFont;
  26         num_glyphs = other.num_glyphs;
  27         glyphs = new cairo_glyph_t[num_glyphs];
  28         memcpy (glyphs, other.glyphs, sizeof(cairo_glyph_t) * num_glyphs);
  29     }
  30
  31     ~gfxFontTestItem() {
  32         delete [] glyphs;
  33     }
  34
  35     nsCString platformFont;
  36     cairo_glyph_t *glyphs;
  37     int num_glyphs;
  38 };
  39
  40
  41 class gfxFontTestStore {
  42 public:
  43     gfxFontTestStore() { }
  44
  45     void AddItem (const nsCString& fontString,
  46                   cairo_glyph_t *cglyphs, int nglyphs)
  47     {
  48         items.AppendElement(gfxFontTestItem(fontString, cglyphs, nglyphs));
  49     }
  50
  51     void AddItem (const nsString& fontString,
  52                   cairo_glyph_t *cglyphs, int nglyphs)
  53     {
  54         items.AppendElement(gfxFontTestItem(NS_ConvertUTF16toUTF8(fontString), cglyphs, nglyphs));
  55     }
  56
  57     nsTArray<gfxFontTestItem> items;
  58
  59 public:
  60     static gfxFontTestStore *CurrentStore() {
  61         return sCurrentStore;
  62     }
  63
  64     static gfxFontTestStore *NewStore() {
  65         if (sCurrentStore)
  66             delete sCurrentStore;
  67
  68         sCurrentStore = new gfxFontTestStore;
  69         return sCurrentStore;
  70     }
  71
  72     static void DeleteStore() {
  73         if (sCurrentStore)
  74             delete sCurrentStore;
  75
  76         sCurrentStore = nullptr;
  77     }
  78
  79 protected:
  80     static gfxFontTestStore *sCurrentStore;
  81 };
  82
  83
  84 #endif /* GFX_FONT_TEST_H */