--- /dev/null
+/*\r
+ * Copyright (C) 2010 Red Hat, Inc.\r
+ *\r
+ * This is part of HarfBuzz, a text shaping library.\r
+ *\r
+ * Permission is hereby granted, without written agreement and without\r
+ * license or royalty fees, to use, copy, modify, and distribute this\r
+ * software and its documentation for any purpose, provided that the\r
+ * above copyright notice and the following two paragraphs appear in\r
+ * all copies of this software.\r
+ *\r
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR\r
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES\r
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN\r
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH\r
+ * DAMAGE.\r
+ *\r
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,\r
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND\r
+ * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS\r
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO\r
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.\r
+ *\r
+ * Red Hat Author(s): Behdad Esfahbod\r
+ */\r
+\r
+#ifndef HB_OT_HEAD_PRIVATE_HH\r
+#define HB_OT_HEAD_PRIVATE_HH\r
+\r
+#include "hb-open-type-private.hh"\r
+\r
+/*\r
+ * head\r
+ */\r
+\r
+#define HB_OT_TAG_head HB_TAG('h','e','a','d')\r
+\r
+struct head\r
+{\r
+ static const hb_tag_t Tag = HB_OT_TAG_head;\r
+\r
+ inline bool sanitize (hb_sanitize_context_t *c) {\r
+ TRACE_SANITIZE ();\r
+ /* Shall we check for magicNumber here? Who cares? */\r
+ return c->check_struct (this) && likely (version.major == 1);\r
+ }\r
+\r
+ FixedVersion version; /* Version of the head table--currently\r
+ * 0x00010000 for version 1.0. */\r
+ FixedVersion fontRevision; /* Set by font manufacturer. */\r
+ ULONG checkSumAdjustment; /* To compute: set it to 0, sum the\r
+ * entire font as ULONG, then store\r
+ * 0xB1B0AFBA - sum. */\r
+ ULONG magicNumber; /* Set to 0x5F0F3CF5. */\r
+ USHORT flags; /* Bit 0: Baseline for font at y=0;\r
+ * Bit 1: Left sidebearing point at x=0;\r
+ * Bit 2: Instructions may depend on point size;\r
+ * Bit 3: Force ppem to integer values for all\r
+ * internal scaler math; may use fractional\r
+ * ppem sizes if this bit is clear;\r
+ * Bit 4: Instructions may alter advance width\r
+ * (the advance widths might not scale linearly);\r
+\r
+ * Bits 5-10: These should be set according to\r
+ * Apple's specification. However, they are not\r
+ * implemented in OpenType.\r
+ * Bit 5: This bit should be set in fonts that are\r
+ * intended to e laid out vertically, and in\r
+ * which the glyphs have been drawn such that an\r
+ * x-coordinate of 0 corresponds to the desired\r
+ * vertical baseline.\r
+ * Bit 6: This bit must be set to zero.\r
+ * Bit 7: This bit should be set if the font\r
+ * requires layout for correct linguistic\r
+ * rendering (e.g. Arabic fonts).\r
+ * Bit 8: This bit should be set for a GX font\r
+ * which has one or more metamorphosis effects\r
+ * designated as happening by default.\r
+ * Bit 9: This bit should be set if the font\r
+ * contains any strong right-to-left glyphs.\r
+ * Bit 10: This bit should be set if the font\r
+ * contains Indic-style rearrangement effects.\r
+\r
+ * Bit 11: Font data is 'lossless,' as a result\r
+ * of having been compressed and decompressed\r
+ * with the Agfa MicroType Express engine.\r
+ * Bit 12: Font converted (produce compatible metrics)\r
+ * Bit 13: Font optimized for ClearType™.\r
+ * Note, fonts that rely on embedded bitmaps (EBDT)\r
+ * for rendering should not be considered optimized\r
+ * for ClearType, and therefore should keep this bit\r
+ * cleared.\r
+ * Bit 14: Reserved, set to 0\r
+ * Bit 15: Reserved, set to 0. */\r
+ USHORT unitsPerEm; /* Valid range is from 16 to 16384. This value\r
+ * should be a power of 2 for fonts that have\r
+ * TrueType outlines. */\r
+ LONGDATETIME created; /* Number of seconds since 12:00 midnight,\r
+ January 1, 1904. 64-bit integer */\r
+ LONGDATETIME modified; /* Number of seconds since 12:00 midnight,\r
+ January 1, 1904. 64-bit integer */\r
+ SHORT xMin; /* For all glyph bounding boxes. */\r
+ SHORT yMin; /* For all glyph bounding boxes. */\r
+ SHORT xMax; /* For all glyph bounding boxes. */\r
+ SHORT yMax; /* For all glyph bounding boxes. */\r
+ USHORT macStyle; /* Bit 0: Bold (if set to 1);\r
+ * Bit 1: Italic (if set to 1)\r
+ * Bit 2: Underline (if set to 1)\r
+ * Bit 3: Outline (if set to 1)\r
+ * Bit 4: Shadow (if set to 1)\r
+ * Bit 5: Condensed (if set to 1)\r
+ * Bit 6: Extended (if set to 1)\r
+ * Bits 7-15: Reserved (set to 0). */\r
+ USHORT lowestRecPPEM; /* Smallest readable size in pixels. */\r
+ SHORT fontDirectionHint; /* Deprecated (Set to 2).\r
+ * 0: Fully mixed directional glyphs;\r
+ * 1: Only strongly left to right;\r
+ * 2: Like 1 but also contains neutrals;\r
+ * -1: Only strongly right to left;\r
+ * -2: Like -1 but also contains neutrals. */\r
+ SHORT indexToLocFormat; /* 0 for short offsets, 1 for long. */\r
+ SHORT glyphDataFormat; /* 0 for current format. */\r
+ public:\r
+ DEFINE_SIZE_STATIC (54);\r
+};\r
+\r
+\r
+#endif /* HB_OT_HEAD_PRIVATE_HH */\r
projects / platform / upstream / libHarfBuzzSharp.git / commitdiff