--- /dev/null
+/* unicrud, Copyright (c) 2016 Jamie Zawinski <jwz@jwz.org>
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation. No representations are made about the suitability of this
+ * software for any purpose. It is provided "as is" without express or
+ * implied warranty.
+ */
+
+#define DEFAULTS "*delay: 20000 \n" \
+ "*showFPS: False \n" \
+ "*suppressRotationAnimation: True\n" \
+ "*titleFont: -*-helvetica-bold-r-normal-*-*-180-*-*-*-*-*-*\n" \
+ "*font: -*-helvetica-bold-r-normal-*-*-2400-*-*-*-*-iso10646-1\n" \
+
+# define refresh_unicrud 0
+# define release_unicrud 0
+#undef countof
+#define countof(x) (sizeof((x))/sizeof((*x)))
+
+#include "xlockmore.h"
+#include "rotator.h"
+#include "gltrackball.h"
+#include "texfont.h"
+#include "utf8wc.h"
+#include <ctype.h>
+
+#ifdef USE_GL /* whole file */
+
+#define DEF_SPIN "True"
+#define DEF_WANDER "True"
+#define DEF_SPEED "1.0"
+#define DEF_BLOCK "ALL"
+
+typedef struct {
+ GLXContext *glx_context;
+ rotator *rot;
+ trackball_state *trackball;
+ Bool button_down_p;
+
+ GLfloat color[4];
+ texture_font_data *title_font, *char_font;
+ unsigned long unichar;
+ const char *charplane, *charblock, *charname;
+ enum { IN, LINGER, OUT } state;
+ int spin_direction;
+ GLfloat ratio;
+
+} unicrud_configuration;
+
+static unicrud_configuration *bps = NULL;
+
+static Bool do_spin;
+static GLfloat speed;
+static Bool do_wander;
+static char *do_block;
+
+static XrmOptionDescRec opts[] = {
+ { "-spin", ".spin", XrmoptionNoArg, "True" },
+ { "+spin", ".spin", XrmoptionNoArg, "False" },
+ { "-wander", ".wander", XrmoptionNoArg, "True" },
+ { "+wander", ".wander", XrmoptionNoArg, "False" },
+ { "-speed", ".speed", XrmoptionSepArg, 0 },
+ { "-block", ".block", XrmoptionSepArg, 0 },
+};
+
+static argtype vars[] = {
+ {&do_spin, "spin", "Spin", DEF_SPIN, t_Bool},
+ {&do_wander, "wander", "Wander", DEF_WANDER, t_Bool},
+ {&speed, "speed", "Speed", DEF_SPEED, t_Float},
+ {&do_block, "block", "Block", DEF_BLOCK, t_String},
+};
+
+ENTRYPOINT ModeSpecOpt unicrud_opts = {countof(opts), opts, countof(vars), vars, NULL};
+
+static const struct {
+ unsigned long start;
+ const char * const name;
+} unicode_block_names[] = {
+
+ /* Through Unicode 8.0, early 2016. */
+
+ { 0x0000, "*Basic Multilingual" },
+ { 0x0000, "Unassigned" },
+ { 0x0021, "ASCII" },
+ { 0x0080, "Unassigned" },
+ { 0x00A1, "Latin1" },
+ { 0x0100, "Latin Extended-A" },
+ { 0x0180, "Latin Extended-B" },
+ { 0x0250, "IPA Extensions" },
+ { 0x02B0, "Spacing Modifier Letters" },
+ { 0x0300, "Combining Diacritical Marks" },
+ { 0x0370, "Greek and Coptic" },
+ { 0x0400, "Cyrillic" },
+ { 0x0500, "Cyrillic Supplement" },
+ { 0x0530, "Armenian" },
+ { 0x058B, "Unassigned" },
+ { 0x0590, "Hebrew" },
+ { 0x05F5, "Unassigned" },
+ { 0x0600, "Arabic" },
+ { 0x0700, "Syriac" },
+ { 0x0750, "Arabic Supplement" },
+ { 0x0780, "Thaana" },
+ { 0x07C0, "N'Ko" },
+ { 0x0800, "Samaritan" },
+ { 0x0840, "Mandaic" },
+ { 0x0860, "Unassigned" },
+ { 0x08A0, "Arabic Extended-A" },
+ { 0x0900, "Devanagari" },
+ { 0x0980, "Bengali" },
+ { 0x09FC, "Unassigned" },
+ { 0x0A00, "Gurmukhi" },
+ { 0x0A76, "Unassigned" },
+ { 0x0A80, "Gujarati" },
+ { 0x0AF2, "Unassigned" },
+ { 0x0B00, "Oriya" },
+ { 0x0B80, "Tamil" },
+ { 0x0BFB, "Unassigned" },
+ { 0x0C00, "Telugu" },
+ { 0x0C80, "Kannada" },
+ { 0x0CF0, "Unassigned" },
+ { 0x0D00, "Malayalam" },
+ { 0x0D80, "Sinhala" },
+ { 0x0DF5, "Unassigned" },
+ { 0x0E00, "Thai" },
+ { 0x0E5C, "Unassigned" },
+ { 0x0E80, "Lao" },
+ { 0x0EE0, "Unassigned" },
+ { 0x0F00, "Tibetan" },
+ { 0x0FDB, "Unassigned" },
+ { 0x1000, "Myanmar" },
+ { 0x10A0, "Georgian" },
+ { 0x1100, "Hangul Jamo" },
+ { 0x1200, "Ethiopic" },
+ { 0x1380, "Ethiopic Supplement" },
+ { 0x13A0, "Cherokee" },
+ { 0x1400, "Unified Canadian Aboriginal Syllabics" },
+ { 0x1677, "Unassigned" },
+ { 0x1680, "Ogham" },
+ { 0x16A0, "Runic" },
+ { 0x16F1, "Unassigned" },
+ { 0x1700, "Tagalog" },
+ { 0x1715, "Unassigned" },
+ { 0x1720, "Hanunoo" },
+ { 0x1737, "Unassigned" },
+ { 0x1740, "Buhid" },
+ { 0x1754, "Unassigned" },
+ { 0x1760, "Tagbanwa" },
+ { 0x1774, "Unassigned" },
+ { 0x1780, "Khmer" },
+ { 0x17FA, "Unassigned" },
+ { 0x1800, "Mongolian" },
+ { 0x18AB, "Unassigned" },
+ { 0x18B0, "Unified Canadian Aboriginal Syllabics Extended" },
+ { 0x18F6, "Unassigned" },
+ { 0x1900, "Limbu" },
+ { 0x1950, "Tai Le" },
+ { 0x1975, "Unassigned" },
+ { 0x1980, "Tai Lue" },
+ { 0x19E0, "Khmer Symbols" },
+ { 0x1A00, "Buginese" },
+ { 0x1A20, "Tai Tham" },
+ { 0x1AAE, "Unassigned" },
+ { 0x1AB0, "Combining Diacritical Marks Extended" },
+ { 0x1ABF, "Unassigned" },
+ { 0x1B00, "Balinese" },
+ { 0x1B80, "Sundanese" },
+ { 0x1BC0, "Batak" },
+ { 0x1C00, "Lepcha" },
+ { 0x1C50, "Ol Chiki" },
+ { 0x1C80, "Unassigned" },
+ { 0x1CC0, "Sundanese Supplement" },
+ { 0x1CC8, "Unassigned" },
+ { 0x1CD0, "Vedic Extensions" },
+ { 0x1CFA, "Unassigned" },
+ { 0x1D00, "Phonetic Extensions" },
+ { 0x1D80, "Phonetic Extensions Supplement" },
+ { 0x1DC0, "Combining Diacritical Marks Supplement" },
+ { 0x1E00, "Latin Extended Additional" },
+ { 0x1F00, "Greek Extended" },
+ { 0x2000, "General Punctuation" },
+ { 0x2070, "Superscripts and Subscripts" },
+ { 0x2095, "Unassigned" },
+ { 0x20A0, "Currency Symbols" },
+ { 0x20BE, "Unassigned" },
+ { 0x20D0, "Combining Diacritical Marks for Symbols" },
+ { 0x20F1, "Unassigned" },
+ { 0x2100, "Letterlike Symbols" },
+ { 0x2150, "Number Forms" },
+ { 0x2190, "Arrows" },
+ { 0x2200, "Mathematical Operators" },
+ { 0x2300, "Miscellaneous Technical" },
+ { 0x2400, "Control Pictures" },
+ { 0x2437, "Unassigned" },
+ { 0x2440, "Optical Character Recognition" },
+ { 0x244B, "Unassigned" },
+ { 0x2460, "Enclosed Alphanumerics" },
+ { 0x2500, "Box Drawing" },
+ { 0x2580, "Block Elements" },
+ { 0x25A0, "Geometric Shapes" },
+ { 0x2600, "Miscellaneous Symbols" },
+ { 0x2700, "Dingbats" },
+ { 0x27C0, "Miscellaneous Mathematical Symbols-A" },
+ { 0x27F0, "Supplemental Arrows-A" },
+ { 0x2800, "Braille Patterns" },
+ { 0x2900, "Supplemental Arrows-B" },
+ { 0x2980, "Miscellaneous Mathematical Symbols-B" },
+ { 0x2A00, "Supplemental Mathematical Operators" },
+ { 0x2B00, "Miscellaneous Symbols and Arrows" },
+ { 0x2B56, "Unassigned" }, /* Unicode 5.1 */
+ { 0x2BF0, "Unassigned" },
+ { 0x2C00, "Glagolitic" },
+ { 0x2C60, "Latin Extended-C" },
+ { 0x2C80, "Coptic" },
+ { 0x2D00, "Georgian Supplement" },
+ { 0x2D26, "Unassigned" },
+ { 0x2D30, "Tifinagh" },
+ { 0x2D80, "Ethiopic Extended" },
+ { 0x2DE0, "Cyrillic Extended-A" },
+ { 0x2E00, "Supplemental Punctuation" },
+ { 0x2E43, "Unassigned" },
+ { 0x2E80, "CJK Radicals Supplement" },
+ { 0x2EF5, "Unassigned" },
+ { 0x2F00, "Kangxi Radicals" },
+ { 0x2FD6, "Unassigned" },
+ { 0x2FE0, "Unassigned" },
+ { 0x2FF0, "Ideographic Description Characters" },
+ { 0x2FFC, "Unassigned" },
+ { 0x3000, "CJK Symbols and Punctuation" },
+ { 0x3040, "Hiragana" },
+ { 0x30A0, "Katakana" },
+ { 0x3100, "Bopomofo" },
+ { 0x3130, "Hangul Compatibility Jamo" },
+ { 0x3190, "Kanbun" },
+ { 0x31A0, "Bopomofo Extended" },
+ { 0x31BB, "Unassigned" },
+ { 0x31C0, "CJK Strokes" },
+ { 0x31E4, "Unassigned" },
+ { 0x31F0, "Katakana Phonetic Extensions" },
+ { 0x3200, "Enclosed CJK Letters and Months" },
+ { 0x3300, "CJK Compatibility" },
+ { 0x3400, "CJK Unified Ideographs Extension A" },
+ { 0x4DB6, "Unassigned" },
+ { 0x4DC0, "Yijing Hexagram Symbols" },
+ { 0x4E00, "CJK Unified Ideographs" },
+ { 0x9FD6, "Unassigned" },
+ { 0xA000, "Yi Syllables" },
+ { 0xA48D, "Unassigned" },
+ { 0xA490, "Yi Radicals" },
+ { 0xA4C7, "Unassigned" },
+ { 0xA4D0, "Lisu" },
+ { 0xA500, "Vai" },
+ { 0xA62C, "Unassigned" },
+ { 0xA640, "Cyrillic Extended-B" },
+ { 0xA6A0, "Bamum" },
+ { 0xA700, "Modifier Tone Letters" },
+ { 0xA720, "Latin Extended-D" },
+ { 0xA800, "Syloti Nagri" },
+ { 0xA82C, "Unassigned" },
+ { 0xA830, "Common Indic Number Forms" },
+ { 0xA83A, "Unassigned" },
+ { 0xA840, "Phags-pa" },
+ { 0xA878, "Unassigned" },
+ { 0xA880, "Saurashtra" },
+ { 0xA8DA, "Unassigned" },
+ { 0xA8E0, "Devanagari Extended" },
+ { 0xA8FE, "Unassigned" },
+ { 0xA900, "Kayah Li" },
+ { 0xA930, "Rejang" },
+ { 0xA960, "Hangul Jamo Extended-A" },
+ { 0xA97D, "Unassigned" },
+ { 0xA980, "Javanese" },
+ { 0xA9E0, "Myanmar Extended-B" },
+ { 0xAA00, "Cham" },
+ { 0xAA60, "Myanmar Extended-A" },
+ { 0xAA80, "Tai Viet" },
+ { 0xAAE0, "Meetei Mayek Extensions" },
+ { 0xAB00, "Ethiopic Extended-A" },
+ { 0xAB30, "Latin Extended-E" },
+ { 0xAB66, "Unassigned" },
+ { 0xAB70, "Cherokee Supplement" },
+ { 0xABC0, "Meetei Mayek" },
+ { 0xABFA, "Unassigned" },
+ { 0xAC00, "Hangul Syllables" },
+ { 0xD7B0, "Hangul Jamo Extended-B" },
+ { 0xD7FC, "Unassigned" },
+/*{ 0xD800, "High Surrogates" }, */ /* UTF-16 compatibility */
+/*{ 0xDC00, "Low Surrogates" }, */ /* UTF-16 compatibility */
+ { 0xE000, "Private Use Area" },
+ { 0xF900, "CJK Compatibility Ideographs" },
+ { 0xFAEA, "Unassigned" },
+ { 0xFB00, "Alphabetic Presentation Forms" },
+ { 0xFB50, "Arabic Presentation Forms-A" },
+ { 0xFE00, "Variation Selectors" },
+ { 0xFE10, "Vertical Forms" },
+ { 0xFE1A, "Unassigned" },
+ { 0xFE20, "Combining Half Marks" },
+ { 0xFE30, "CJK Compatibility Forms" },
+ { 0xFE50, "Small Form Variants" },
+ { 0xFE6C, "Unassigned" },
+ { 0xFE70, "Arabic Presentation Forms-B" },
+ { 0xFF00, "Halfwidth and Fullwidth Forms" },
+ { 0xFFF0, "Unassigned" },
+ { 0xFFF9, "Specials" },
+ { 0xFFFE, "Unassigned" },
+
+ { 0x10000, "*Supplementary Multilingual" },
+ { 0x10000, "Linear B Syllabary" },
+ { 0x1007E, "Unassigned" },
+ { 0x10080, "Linear B Ideograms" },
+ { 0x100FB, "Unassigned" },
+ { 0x10100, "Aegean Numbers" },
+ { 0x10140, "Ancient Greek Numbers" },
+ { 0x1018D, "Unassigned" },
+ { 0x10190, "Ancient Symbols" },
+ { 0x1019C, "Unassigned" },
+ { 0x101D0, "Phaistos Disc" },
+ { 0x10200, "Unassigned" },
+ { 0x10280, "Lycian" },
+ { 0x1029D, "Unassigned" },
+ { 0x102A0, "Carian" },
+ { 0x102D1, "Unassigned" },
+ { 0x102E0, "Coptic Epact Numbers" },
+ { 0x102FC, "Unassigned" },
+ { 0x10300, "Old Italic" },
+ { 0x10324, "Unassigned" },
+ { 0x10330, "Gothic" },
+ { 0x1034B, "Unassigned" },
+ { 0x10350, "Old Permic" },
+ { 0x10380, "Ugaritic" },
+ { 0x103A0, "Old Persian" },
+ { 0x103D6, "Unassigned" },
+ { 0x103E0, "Unassigned" },
+ { 0x10400, "Deseret" },
+ { 0x10450, "Shavian" },
+ { 0x10480, "Osmanya" },
+ { 0x104AA, "Unassigned" },
+ { 0x104B0, "Unassigned" },
+ { 0x10500, "Elbasan" },
+ { 0x10528, "Unassigned" },
+ { 0x10530, "Caucasian Albanian" },
+ { 0x10570, "Unassigned" },
+ { 0x10600, "Linear A" },
+ { 0x10768, "Unassigned" },
+ { 0x10780, "Unassigned" },
+ { 0x10800, "Cypriot Syllabary" },
+ { 0x10840, "Imperial Aramaic" },
+ { 0x10860, "Palmyrene" },
+ { 0x10880, "Nabataean" },
+ { 0x108B0, "Unassigned" },
+ { 0x108E0, "Hatran" },
+ { 0x10900, "Phoenician" },
+ { 0x10920, "Lydian" },
+ { 0x10940, "Unassigned" },
+ { 0x10980, "Meroitic Hieroglyphs" },
+ { 0x109A0, "Meroitic Cursive" },
+ { 0x10A00, "Kharoshthi" },
+ { 0x10A59, "Unassigned" },
+ { 0x10A60, "Old South Arabian" },
+ { 0x10A80, "Old North Arabian" },
+ { 0x10AA0, "Unassigned" },
+ { 0x10AC0, "Manichaean" },
+ { 0x10AF7, "Unassigned" },
+ { 0x10B00, "Avestan" },
+ { 0x10B40, "Inscriptional Parthian" },
+ { 0x10B60, "Inscriptional Pahlavi" },
+ { 0x10B80, "Psalter Pahlavi" },
+ { 0x10BB0, "Unassigned" },
+ { 0x10C00, "Old Turkic" },
+ { 0x10C49, "Unassigned" },
+ { 0x10C50, "Unassigned" },
+ { 0x10C80, "Old Hungarian" },
+ { 0x10D00, "Unassigned" },
+ { 0x10E60, "Rumi Numeral Symbols" },
+ { 0x10E80, "Unassigned" },
+ { 0x11000, "Brahmi" },
+ { 0x11070, "Unassigned" },
+ { 0x11080, "Kaithi" },
+ { 0x110C2, "Unassigned" },
+ { 0x110D0, "Sora Sompeng" },
+ { 0x110FA, "Unassigned" },
+ { 0x11100, "Chakma" },
+ { 0x11144, "Unassigned" },
+ { 0x11150, "Mahajani" },
+ { 0x11177, "Unassigned" },
+ { 0x11180, "Sharada" },
+ { 0x111E0, "Sinhala Archaic Numbers" },
+ { 0x111F5, "Unassigned" },
+ { 0x11200, "Khojki" },
+ { 0x1123E, "Unassigned" },
+ { 0x11250, "Unassigned" },
+ { 0x11280, "Multani" },
+ { 0x112AA, "Unassigned" },
+ { 0x112B0, "Khudawadi" },
+ { 0x112FA, "Unassigned" },
+ { 0x11300, "Grantha" },
+ { 0x11375, "Unassigned" },
+ { 0x11380, "Unassigned" },
+ { 0x11480, "Tirhuta" },
+ { 0x114DA, "Unassigned" },
+ { 0x114E0, "Unassigned" },
+ { 0x11580, "Siddham" },
+ { 0x115DE, "Unassigned" },
+ { 0x11600, "Modi" },
+ { 0x1165A, "Unassigned" },
+ { 0x11660, "Unassigned" },
+ { 0x11680, "Takri" },
+ { 0x116CA, "Unassigned" },
+ { 0x116D0, "Unassigned" },
+ { 0x11700, "Ahom" },
+ { 0x11740, "Unassigned" },
+ { 0x118A0, "Warang Citi" },
+ { 0x11900, "Unassigned" },
+ { 0x11AC0, "Pau Cin Hau" },
+ { 0x11AF9, "Unassigned" },
+ { 0x11B00, "Unassigned" },
+ { 0x12000, "Cuneiform" },
+ { 0x1239A, "Unassigned" },
+ { 0x12400, "Cuneiform Numbers and Punctuation" },
+ { 0x12475, "Unassigned" },
+ { 0x12480, "Early Dynastic Cuneiform" },
+ { 0x12544, "Unassigned" },
+ { 0x12550, "Unassigned" },
+ { 0x13000, "Egyptian Hieroglyphs" },
+ { 0x13430, "Unassigned" },
+ { 0x14400, "Anatolian Hieroglyphs" },
+ { 0x14647, "Unassigned" },
+ { 0x14680, "Unassigned" },
+ { 0x16800, "Bamum Supplement" },
+ { 0x16A39, "Unassigned" },
+ { 0x16A40, "Mro" },
+ { 0x16A70, "Unassigned" },
+ { 0x16AD0, "Bassa Vah" },
+ { 0x16AF6, "Unassigned" },
+ { 0x16B00, "Pahawh Hmong" },
+ { 0x16B90, "Unassigned" },
+ { 0x16F00, "Miao" },
+ { 0x16FA0, "Unassigned" },
+ { 0x1B000, "Kana Supplement" },
+ { 0x1B002, "Unassigned" },
+ { 0x1B100, "Unassigned" },
+ { 0x1BC00, "Duployan Shorthand" },
+ { 0x1BCA4, "Unassigned" },
+ { 0x1BCB0, "Unassigned" },
+ { 0x1D000, "Byzantine Musical Symbols" },
+ { 0x1D0F5, "Unassigned" },
+ { 0x1D100, "Musical Symbols" },
+ { 0x1D1E9, "Unassigned" },
+ { 0x1D200, "Ancient Greek Musical Notation" },
+ { 0x1D246, "Unassigned" },
+ { 0x1D250, "Unassigned" },
+ { 0x1D300, "Tai Xuan Jing Symbols" },
+ { 0x1D357, "Unassigned" },
+ { 0x1D360, "Counting Rod Numerals" },
+ { 0x1D372, "Unassigned" },
+ { 0x1D380, "Unassigned" },
+ { 0x1D400, "Mathematical Alphanumeric Symbols" },
+ { 0x1D800, "Sutton SignWriting" },
+ { 0x1DAB0, "Unassigned" },
+ { 0x1E800, "Mende Kikakui" },
+ { 0X1E8D7, "Unassigned" },
+ { 0x1E8E0, "Unassigned" },
+ { 0x1EE00, "Arabic Mathematical Alphabetic Symbols" },
+ { 0X1EEFC, "Unassigned" },
+ { 0x1EF00, "Unassigned" },
+ { 0x1F000, "Mahjong Tiles" },
+ { 0x1F02C, "Unassigned" },
+ { 0x1F030, "Domino Tiles" },
+ { 0x1F094, "Unassigned" },
+ { 0x1F0A0, "Playing Cards" },
+ { 0x1F0F6, "Unassigned" },
+ { 0x1F100, "Enclosed Alphanumeric Supplement" },
+ { 0x1F19B, "Unassigned" },
+ { 0x1F1E6, "Enclosed Alphanumeric Supplement" },
+ { 0x1F200, "Enclosed Ideographic Supplement" },
+ { 0x1F252, "Unassigned" },
+ { 0x1F300, "Miscellaneous Symbols and Pictographs" },
+ { 0x1F600, "Emoticons" },
+ { 0x1F650, "Ornamental Dingbats" },
+ { 0x1F680, "Transport and Map Symbols" },
+ { 0x1F6F4, "Unassigned" },
+ { 0x1F700, "Alchemical Symbols" },
+ { 0x1F774, "Unassigned" },
+ { 0x1F780, "Geometric Shapes Extended" },
+ { 0x1F7D5, "Unassigned" },
+ { 0x1F800, "Supplemental Arrows-C" },
+ { 0x1F8AD, "Unassigned" },
+ { 0x1F910, "Supplemental Symbols and Pictographs" },
+ { 0x1F9C1, "Unassigned" },
+ { 0x1FA00, "Unassigned" },
+
+ { 0x20000, "*Supplementary Ideographic" },
+ { 0x20000, "CJK Unified Ideographs Extension B" },
+ { 0x2A6D7, "Unassigned" },
+ { 0x2A6E0, "Unassigned" },
+ { 0x2A700, "CJK Unified Ideographs Extension C" },
+ { 0x2B740, "Unassigned" },
+ { 0x2B740, "CJK Unified Ideographs Extension D" },
+ { 0x2B820, "Unassigned" },
+ { 0x2B820, "CJK Unified Ideographs Extension E" },
+ { 0x2CEA2, "Unassigned" },
+ { 0x2CEB0, "Unassigned" },
+ { 0x2F800, "CJK Compatibility Ideographs Supplement" },
+ { 0x2FA20, "Unassigned" },
+
+ { 0x30000, "*Unassigned Plane 3" },
+ { 0x40000, "*Unassigned Plane 4" },
+ { 0x50000, "*Unassigned Plane 5" },
+ { 0x60000, "*Unassigned Plane 6" },
+ { 0x70000, "*Unassigned Plane 7" },
+ { 0x80000, "*Unassigned Plane 8" },
+ { 0x90000, "*Unassigned Plane 9" },
+ { 0xA0000, "*Unassigned Plane 10" },
+ { 0xB0000, "*Unassigned Plane 11" },
+ { 0xC0000, "*Unassigned Plane 12" },
+ { 0xD0000, "*Unassigned Plane 13" },
+
+ { 0xE0000, "*Supplementary Special-Purpose" },
+ { 0xE0080, "Unassigned" },
+ { 0xE0020, "Tags" },
+ { 0xE0080, "Unassigned" },
+ { 0xE0100, "Variation Selectors Supplement" },
+ { 0xE01F0, "Unassigned" },
+
+ { 0xF0000, "*Supplementary Private Use Area A" },
+ { 0x100000, "*Supplementary Private Use Area B" },
+};
+
+
+static char
+*strip (char *s)
+{
+ int L;
+ while (*s == ' ' || *s == '\t' || *s == '\n')
+ s++;
+ L = strlen (s);
+ while (s[L-1] == ' ' || s[L-1] == '\t' || s[L-1] == '\n')
+ s[--L] = 0;
+ return s;
+}
+
+
+/* matches ("AA, BB, CC", "CC") => True
+ matches ("AA, BB, CC", "CCx") => False
+ */
+static Bool
+matches (const char *pattern, const char *string)
+{
+ char *token = strdup (pattern ? pattern : "");
+ char *otoken = token;
+ char *name;
+ Bool match = False;
+ while ((name = strtok (token, ","))) {
+ token = 0;
+ name = strip (name);
+ if (*name && !strcasecmp (name, string))
+ {
+ match = True;
+ break;
+ }
+ }
+
+ free (otoken);
+ return match;
+}
+
+
+static void
+pick_unichar (ModeInfo *mi)
+{
+ unicrud_configuration *bp = &bps[MI_SCREEN(mi)];
+ int i;
+ unsigned long min = 0;
+ unsigned long max = 0x2F800;
+ unsigned long last = 0;
+ int retries = 0;
+
+ AGAIN:
+ bp->unichar = min + (random() % (max - min));
+
+ if (++retries > 0xF0000 / 2)
+ {
+ fprintf (stderr, "%s: internal error: too many retries\n", progname);
+ exit (1);
+ }
+
+ /* bp->unichar = 0x1F4A9; */
+
+ last = 0;
+ bp->charplane = "Unassigned";
+ bp->charblock = "Unassigned";
+ for (i = 0; i < countof(unicode_block_names); i++)
+ {
+ if (unicode_block_names[i].start < last)
+ {
+ fprintf (stderr, "%s: progname: internal error: misordered: 0x%lX\n",
+ progname, unicode_block_names[i].start);
+ exit (1);
+ }
+ last = unicode_block_names[i].start;
+ if (bp->unichar >= unicode_block_names[i].start)
+ {
+ if (unicode_block_names[i].name[0] == '*')
+ {
+ bp->charplane = unicode_block_names[i].name + 1;
+ bp->charblock = "Unassigned";
+ }
+ else
+ bp->charblock = unicode_block_names[i].name;
+ }
+ else
+ break;
+ }
+
+ if (!strncmp (bp->charblock, "Unassigned", 10) ||
+ !strncmp (bp->charblock, "Combining", 9))
+ goto AGAIN;
+
+ if (*do_block && !matches (do_block, bp->charblock))
+ goto AGAIN;
+
+ /* Skip blank characters */
+ {
+ XCharStruct e;
+ char text[10];
+ int i;
+ i = utf8_encode (bp->unichar, text, sizeof(text) - 1);
+ text[i] = 0;
+ texture_string_metrics (bp->char_font, text, &e, 0, 0);
+ if (e.width < 2 || e.ascent + e.descent < 2)
+ goto AGAIN;
+ }
+
+# ifdef HAVE_JWXYZ
+ bp->charname = texfont_unicode_character_name (bp->char_font, bp->unichar);
+# endif
+
+ bp->color[0] = 0.5 + frand(0.5);
+ bp->color[1] = 0.5 + frand(0.5);
+ bp->color[2] = 0.5 + frand(0.5);
+ bp->color[3] = 1;
+}
+
+
+static void
+draw_unichar (ModeInfo *mi)
+{
+ unicrud_configuration *bp = &bps[MI_SCREEN(mi)];
+
+ char text[10];
+ char title[400];
+ XCharStruct e;
+ int w, h, i, j;
+ GLfloat s;
+
+ i = utf8_encode (bp->unichar, text, sizeof(text) - 1);
+ text[i] = 0;
+
+ *title = 0;
+ sprintf (title + strlen(title), "Plane:\t%s\n", bp->charplane);
+ sprintf (title + strlen(title), "Block:\t%s\n", bp->charblock);
+# ifdef HAVE_JWXYZ
+ sprintf (title + strlen(title), "Name:\t%s\n",
+ (bp->charname ? bp->charname : ""));
+#endif
+ sprintf (title + strlen(title), "Unicode:\t%04lX\n", bp->unichar);
+ sprintf (title + strlen(title), "UTF-8:\t");
+ for (j = 0; j < i; j++)
+ sprintf (title + strlen(title), "%02X ", ((unsigned char *)text)[j]);
+
+ texture_string_metrics (bp->char_font, text, &e, 0, 0);
+ w = e.width;
+ h = e.ascent;
+
+ s = 9;
+ glScalef (s, s, s);
+
+ s = 1.0 / (h > w ? h : w); /* Scale to unit */
+ glScalef (s, s, s);
+
+ glTranslatef (-w/2, -h/2, 0);
+ glColor4fv (bp->color);
+ print_texture_string (bp->char_font, text);
+
+ glColor3f (1, 1, 0);
+ print_texture_label (mi->dpy, bp->title_font,
+ mi->xgwa.width, mi->xgwa.height,
+ 1, title);
+}
+
+
+/* Window management, etc
+ */
+ENTRYPOINT void
+reshape_unicrud (ModeInfo *mi, int width, int height)
+{
+ GLfloat h = (GLfloat) height / (GLfloat) width;
+
+ glViewport (0, 0, (GLint) width, (GLint) height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ gluPerspective (30.0, 1/h, 1.0, 100.0);
+
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ gluLookAt( 0.0, 0.0, 30.0,
+ 0.0, 0.0, 0.0,
+ 0.0, 1.0, 0.0);
+
+# ifdef HAVE_MOBILE /* Keep it the same relative size when rotated. */
+ {
+ int o = (int) current_device_rotation();
+ if (o != 0 && o != 180 && o != -180)
+ glScalef (1/h, 1/h, 1/h);
+ }
+# endif
+
+ glClear(GL_COLOR_BUFFER_BIT);
+}
+
+
+ENTRYPOINT Bool
+unicrud_handle_event (ModeInfo *mi, XEvent *event)
+{
+ unicrud_configuration *bp = &bps[MI_SCREEN(mi)];
+
+ if (gltrackball_event_handler (event, bp->trackball,
+ MI_WIDTH (mi), MI_HEIGHT (mi),
+ &bp->button_down_p))
+ return True;
+ else if (event->xany.type == KeyPress)
+ {
+ KeySym keysym;
+ char c = 0;
+ XLookupString (&event->xkey, &c, 1, &keysym, 0);
+ if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
+ {
+ if (bp->state == LINGER) bp->ratio = 1;
+ return True;
+ }
+ }
+
+ return False;
+}
+
+
+ENTRYPOINT void
+init_unicrud (ModeInfo *mi)
+{
+ unicrud_configuration *bp;
+
+ if (!bps) {
+ bps = (unicrud_configuration *)
+ calloc (MI_NUM_SCREENS(mi), sizeof (unicrud_configuration));
+ if (!bps) {
+ fprintf(stderr, "%s: out of memory\n", progname);
+ exit(1);
+ }
+ }
+
+ bp = &bps[MI_SCREEN(mi)];
+
+ bp->glx_context = init_GL(mi);
+
+ reshape_unicrud (mi, MI_WIDTH(mi), MI_HEIGHT(mi));
+
+ {
+ double spin_speed = 0.05;
+ double wander_speed = 0.01;
+ double spin_accel = 1.0;
+
+ bp->rot = make_rotator (do_spin ? spin_speed : 0,
+ do_spin ? spin_speed : 0,
+ do_spin ? spin_speed : 0,
+ spin_accel,
+ do_wander ? wander_speed : 0,
+ False);
+ bp->trackball = gltrackball_init (True);
+ }
+
+ bp->title_font = load_texture_font (mi->dpy, "titleFont");
+ bp->char_font = load_texture_font (mi->dpy, "font");
+ bp->state = IN;
+ bp->ratio = 0;
+ bp->spin_direction = (random() & 1) ? 1 : -1;
+
+
+
+ if (matches ("all", do_block))
+ do_block = "";
+
+ {
+ char *s;
+ for (s = do_block; *s; s++)
+ if (*s == '_') *s = ' ';
+ }
+
+ if (matches ("help", do_block))
+ {
+ int i;
+ fprintf (stderr,
+ "%s: --blocks must contain one or more of these,"
+ " separated by commas:\n\n", progname);
+ for (i = 0; i < countof(unicode_block_names); i++)
+ {
+ const char *n = unicode_block_names[i].name;
+ if (*n == '*')
+ continue;
+ if (!strncmp (n, "Unassigned", 10) ||
+ !strncmp (n, "Combining", 9))
+ continue;
+ fprintf (stderr, "\t%s\n", n);
+ }
+ fprintf (stderr, "\n");
+ exit (1);
+ }
+
+
+ /* Make sure all elements in --block are valid.
+ */
+ if (*do_block)
+ {
+ char *token = strdup (do_block ? do_block : "");
+ char *otoken = token;
+ char *name;
+ while ((name = strtok (token, ","))) {
+ token = 0;
+ name = strip (name);
+ if (*name)
+ {
+ Bool match = False;
+ int i;
+ for (i = 0; i < countof(unicode_block_names); i++)
+ {
+ const char *n = unicode_block_names[i].name;
+ if (*n == '*')
+ continue;
+ if (!strncmp (n, "Unassigned", 10) ||
+ !strncmp (n, "Combining", 9))
+ continue;
+ if (!strcasecmp (name, n))
+ {
+ match = True;
+ break;
+ }
+ }
+ if (! match)
+ {
+ fprintf (stderr, "%s: unknown block name: \"%s\"\n",
+ progname, name);
+ fprintf (stderr, "%s: use '--block help' for a list\n",
+ progname);
+ exit (1);
+ }
+ }
+ }
+ free (otoken);
+ }
+
+ pick_unichar (mi);
+}
+
+
+ENTRYPOINT void
+draw_unicrud (ModeInfo *mi)
+{
+ unicrud_configuration *bp = &bps[MI_SCREEN(mi)];
+ Display *dpy = MI_DISPLAY(mi);
+ Window window = MI_WINDOW(mi);
+
+ if (!bp->glx_context)
+ return;
+
+ glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *(bp->glx_context));
+
+ glShadeModel (GL_FLAT);
+ glEnable (GL_NORMALIZE);
+ glDisable (GL_CULL_FACE);
+ glDisable (GL_LIGHTING);
+
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ if (! bp->button_down_p)
+ switch (bp->state) {
+ case IN: bp->ratio += speed * 0.05; break;
+ case OUT: bp->ratio += speed * 0.05; break;
+ case LINGER: bp->ratio += speed * 0.005; break;
+ default: abort();
+ }
+
+ if (bp->ratio > 1.0)
+ {
+ bp->ratio = 0;
+ switch (bp->state) {
+ case IN:
+ bp->state = LINGER;
+ break;
+ case LINGER:
+ bp->state = OUT;
+ bp->spin_direction = (random() & 1) ? 1 : -1;
+ break;
+ case OUT:
+ bp->state = IN;
+ pick_unichar(mi);
+ break;
+ default: abort();
+ }
+ }
+
+ glPushMatrix ();
+
+ {
+ double x, y, z;
+ get_position (bp->rot, &x, &y, &z, !bp->button_down_p);
+ glTranslatef((x - 0.5) * 6,
+ (y - 0.5) * 6,
+ (z - 0.5) * 6);
+
+ gltrackball_rotate (bp->trackball);
+
+ get_rotation (bp->rot, &x, &y, &z, !bp->button_down_p);
+ x = y = 0;
+ glRotatef (x * 360, 1.0, 0.0, 0.0);
+ glRotatef (y * 360, 0.0, 1.0, 0.0);
+ glRotatef (z * 360, 0.0, 0.0, 1.0);
+ }
+
+# define SINOID(N) (sin(M_PI - (N) / 2 * M_PI))
+ {
+ GLfloat s;
+ switch (bp->state) {
+ case IN: s = SINOID (bp->ratio); break;
+ case OUT: s = SINOID (1-bp->ratio); break;
+ default: s = 1; break;
+ }
+ glScalef (s, s, s);
+ glRotatef (360 * s * bp->spin_direction * (bp->state == IN ? -1 : 1),
+ 0, 0, 1);
+ }
+
+ draw_unichar (mi);
+
+ glPopMatrix ();
+
+ if (mi->fps_p) do_fps (mi);
+ glFinish();
+
+ glXSwapBuffers(dpy, window);
+}
+
+XSCREENSAVER_MODULE_2 ("Unicrud", unicrud, unicrud)
+
+#endif /* USE_GL */
projects / xscreensaver / blobdiff