3849480fd4
Previously Pango loaded system-supplied fonts instead, which could lead to fonts not rendering in a human-readable text. This change fixes https://sourceforge.net/p/tuxpaint/bugs/265/
78 lines
2.6 KiB
C
78 lines
2.6 KiB
C
//#define DEBUG
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//#define VERBOSE
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/*
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Enable fontconfig debugging. The value of this variable, which must be a
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string, but is interpreted as a number, and each bit within that value
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controls different debugging messages. (from
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https://www.freedesktop.org/software/fontconfig/fontconfig-user.html#DEBUG)
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Name Value Meaning
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---------------------------------------------------------
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MATCH 1 Brief information about font matching
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MATCHV 2 Extensive font matching information
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EDIT 4 Monitor match/test/edit execution
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FONTSET 8 Track loading of font information at startup
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CACHE 16 Watch cache files being written
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CACHEV 32 Extensive cache file writing information
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PARSE 64 (no longer in use)
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SCAN 128 Watch font files being scanned to build caches
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SCANV 256 Verbose font file scanning information
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MEMORY 512 Monitor fontconfig memory usage
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CONFIG 1024 Monitor which config files are loaded
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LANGSET 2048 Dump char sets used to construct lang values
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MATCH2 4096 Display font-matching transformation in patterns
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*/
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#if defined(DEBUG) && defined(VERBOSE)
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#define FC_DEBUG "1025"
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#endif
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/*
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* Enable verbose logging if requested on platforms that support it.
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*
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* Verbose logging adds metadata to printf, including the source file location
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* from where printf was called and the time it was called at runtime.
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*/
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#if defined(DEBUG) && defined(VERBOSE) && defined(__GNUC__)
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#include <stdio.h>
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#include <time.h>
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#define printf(args...) do { \
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time_t now = time(NULL); \
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printf("\n### %s, line %d in %s() @ %s", __FILE__, __LINE__, __FUNCTION__, ctime(&now)); \
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printf(args); \
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} while(0)
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#endif
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/*
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* Define a convenience macro DEBUG_PRINTF(). This macro resolves to printf()
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* if and only if DEBUG is enabled, otherwise resolves to nothing. In other
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* words,
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*
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* DEBUG_PRINTF("Hello, world!\n");
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*
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* ... is equivalent to:
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*
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* #if defined(DEBUG)
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* printf("Hello, world!\n");
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* #endif
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*
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* (To be precise, the semicolon falls outside of the #if test, but an empty
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* semicolon resolves to nothing in standard C.)
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*
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* If VERBOSE logging is enabled, DEBUG_PRINTF should resolve to the verbose
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* version of printf() defined earlier in this file.
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*/
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#if defined(DEBUG)
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#define DEBUG_PRINTF(...) printf(__VA_ARGS__)
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#else
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#define DEBUG_PRINTF(...)
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#endif
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#ifdef __ANDROID__
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#include <android/log.h>
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#define LOG_TAG "TuxPaint"
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#define LOGI(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__)
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#define LOGE(...) __android_log_print(ANDROID_LOG_ERROR,LOG_TAG,__VA_ARGS__)
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#endif
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