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testttf.c
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testttf.c
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//
// Unit test program for TTF library
//
// https://github.com/michaelrsweet/ttf
//
// Copyright © 2018-2024 by Michael R Sweet.
//
// Licensed under Apache License v2.0. See the file "LICENSE" for more
// information.
//
// Usage:
//
// ./testttf [FILENAME]
//
#include <stdio.h>
#include "ttf.h"
//
// Local functions...
//
static void error_cb(void *data, const char *message);
static int test_font(const char *filename);
//
// 'main()' - Main entry for unit tests.
//
int // O - Exit status
main(int argc, // I - Number of command-line arguments
char *argv[]) // I - Command-line arguments
{
int i; // Looping var
int errors = 0; // Number of errors
if (argc > 1)
{
for (i = 1; i < argc; i ++)
errors += test_font(argv[i]);
}
else
{
// Test with the bundled TrueType files...
errors += test_font("testfiles/OpenSans-Bold.ttf");
errors += test_font("testfiles/OpenSans-Regular.ttf");
errors += test_font("testfiles/NotoSansJP-Regular.otf");
}
if (!errors)
puts("\nALL TESTS PASSED");
else
printf("\n%d TEST(S) FAILED\n", errors);
return (errors);
}
//
// 'error_cb()' - Error callback.
//
static void
error_cb(void *data, // I - User data (not used)
const char *message) // I - Message string
{
fprintf(stderr, "FAIL (%s)\n", message);
}
//
// 'test_font()' - Test a font file.
//
static int // O - Number of errors
test_font(const char *filename) // I - Font filename
{
int i, // Looping var
errors = 0; // Number of errors
ttf_t *font; // Font
const char *value; // Font (string) value
int intvalue; // Font (integer) value
float realvalue; // Font (real) value
ttf_rect_t bounds; // Bounds
ttf_rect_t extents; // Extents
size_t num_fonts; // Number of fonts
ttf_style_t style; // Font style
ttf_weight_t weight; // Font weight
static const char * const stretches[] =
{ // Font stretch strings
"TTF_STRETCH_NORMAL", // normal
"TTF_STRETCH_ULTRA_CONDENSED", // ultra-condensed
"TTF_STRETCH_EXTRA_CONDENSED", // extra-condensed
"TTF_STRETCH_CONDENSED", // condensed
"TTF_STRETCH_SEMI_CONDENSED", // semi-condensed
"TTF_STRETCH_SEMI_EXPANDED", // semi-expanded
"TTF_STRETCH_EXPANDED", // expanded
"TTF_STRETCH_EXTRA_EXPANDED", // extra-expanded
"TTF_STRETCH_ULTRA_EXPANDED" // ultra-expanded
};
static const char * const strings[] = // Test strings
{
"Hello, World!", // English
"مرحبا بالعالم!", // Arabic
"Bonjour le monde!", // French
"Γειά σου Κόσμε!", // Greek
"שלום עולם!", // Hebrew
"Привет мир!", // Russian
"こんにちは世界!" // Japanese
};
static const char * const styles[] = // Font style names
{
"TTF_STYLE_NORMAL",
"TTF_STYLE_ITALIC",
"TTF_STYLE_OBLIQUE"
};
printf("ttfCreate(\"%s\"): ", filename);
fflush(stdout);
if ((font = ttfCreate(filename, 0, error_cb, NULL)) != NULL)
puts("PASS");
else
errors ++;
fputs("ttfGetAscent: ", stdout);
if ((intvalue = ttfGetAscent(font)) > 0)
{
printf("PASS (%d)\n", intvalue);
}
else
{
printf("FAIL (%d)\n", intvalue);
errors ++;
}
fputs("ttfGetBounds: ", stdout);
if (ttfGetBounds(font, &bounds))
{
printf("PASS (%g %g %g %g)\n", bounds.left, bounds.bottom, bounds.right, bounds.top);
}
else
{
puts("FAIL");
errors ++;
}
fputs("ttfGetCapHeight: ", stdout);
if ((intvalue = ttfGetCapHeight(font)) > 0)
{
printf("PASS (%d)\n", intvalue);
}
else
{
printf("FAIL (%d)\n", intvalue);
errors ++;
}
fputs("ttfGetCopyright: ", stdout);
if ((value = ttfGetCopyright(font)) != NULL)
{
printf("PASS (%s)\n", value);
}
else
{
puts("WARNING (no copyright found)");
}
for (i = 0; i < (int)(sizeof(strings) / sizeof(strings[0])); i ++)
{
printf("ttfGetExtents(\"%s\"): ", strings[i]);
if (ttfGetExtents(font, 12.0f, strings[i], &extents))
{
printf("PASS (%.1f %.1f %.1f %.1f)\n", extents.left, extents.bottom, extents.right, extents.top);
}
else
{
puts("FAIL");
errors ++;
}
}
fputs("ttfGetFamily: ", stdout);
if ((value = ttfGetFamily(font)) != NULL)
{
printf("PASS (%s)\n", value);
}
else
{
puts("FAIL");
errors ++;
}
fputs("ttfGetItalicAngle: ", stdout);
if ((realvalue = ttfGetItalicAngle(font)) >= -180.0 && realvalue <= 180.0)
{
printf("PASS (%g)\n", realvalue);
}
else
{
printf("FAIL (%g)\n", realvalue);
errors ++;
}
fputs("ttfGetNumFonts: ", stdout);
if ((num_fonts = ttfGetNumFonts(font)) > 0)
{
printf("PASS (%u)\n", (unsigned)num_fonts);
}
else
{
puts("FAIL");
errors ++;
}
fputs("ttfGetPostScriptName: ", stdout);
if ((value = ttfGetPostScriptName(font)) != NULL)
{
printf("PASS (%s)\n", value);
}
else
{
puts("FAIL");
errors ++;
}
fputs("ttfGetStretch: ", stdout);
if ((intvalue = (int)ttfGetStretch(font)) >= TTF_STRETCH_NORMAL && intvalue <= TTF_STRETCH_ULTRA_EXPANDED)
{
printf("PASS (%s)\n", stretches[intvalue]);
}
else
{
printf("FAIL (%d)\n", intvalue);
errors ++;
}
fputs("ttfGetStyle: ", stdout);
if ((style = ttfGetStyle(font)) >= TTF_STYLE_NORMAL && style <= TTF_STYLE_ITALIC)
{
printf("PASS (%s)\n", styles[style]);
}
else
{
puts("FAIL");
errors ++;
}
fputs("ttfGetVersion: ", stdout);
if ((value = ttfGetVersion(font)) != NULL)
{
printf("PASS (%s)\n", value);
}
else
{
puts("FAIL");
errors ++;
}
fputs("ttfGetWeight: ", stdout);
if ((weight = ttfGetWeight(font)) >= 0)
{
printf("PASS (%u)\n", (unsigned)weight);
}
else
{
puts("FAIL");
errors ++;
}
fputs("ttfGetWidth(' '): ", stdout);
if ((intvalue = ttfGetWidth(font, ' ')) > 0)
{
printf("PASS (%d)\n", intvalue);
}
else
{
printf("FAIL (%d)\n", intvalue);
errors ++;
}
fputs("ttfGetXHeight: ", stdout);
if ((intvalue = ttfGetXHeight(font)) > 0)
{
printf("PASS (%d)\n", intvalue);
}
else
{
printf("FAIL (%d)\n", intvalue);
errors ++;
}
fputs("ttfIsFixedPitch: ", stdout);
if (ttfIsFixedPitch(font))
puts("PASS (true)");
else
puts("PASS (false)");
ttfDelete(font);
return (errors);
}