mirror of
https://github.com/gnif/LookingGlass.git
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124 lines
3.2 KiB
C
124 lines
3.2 KiB
C
/**
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* Looking Glass
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* Copyright © 2017-2026 The Looking Glass Authors
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* https://looking-glass.io
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc., 59
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* Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "font.h"
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#include "font_platform_stub.h"
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#include "test.h"
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#include "common/debug.h"
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#include "cimgui.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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static void testInvalidFontData(void)
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{
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const unsigned char emptySfnt[12] = {
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0x00, 0x01, 0x00, 0x00,
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};
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CHECK(!font_isStbTruetypeCompatible(
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emptySfnt, sizeof(emptySfnt), 0));
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const unsigned char truncatedTableDirectory[12] = {
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0x00, 0x01, 0x00, 0x00,
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0x00, 0x01,
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};
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CHECK(!font_isStbTruetypeCompatible(
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truncatedTableDirectory, sizeof(truncatedTableDirectory), 0));
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}
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static void testValidFontData(void)
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{
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FILE * file = fopen(FONT_TEST_FILE, "rb");
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CHECK(file);
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CHECK(fseek(file, 0, SEEK_END) == 0);
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const long length = ftell(file);
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CHECK(length > 0);
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CHECK(fseek(file, 0, SEEK_SET) == 0);
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void * data = malloc((size_t)length);
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CHECK(data);
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CHECK(fread(data, 1, (size_t)length, file) == (size_t)length);
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CHECK(fclose(file) == 0);
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CHECK(font_isStbTruetypeCompatible(data, (size_t)length, 0));
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CHECK(!font_isStbTruetypeCompatible(data, (size_t)length, 1));
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free(data);
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}
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static void testFontLifecycle(void)
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{
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const FontPlatformStubStats * stats = font_platformStubStats();
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CHECK(!font_addText("before init"));
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CHECK(font_init());
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CHECK(font_init());
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CHECK(stats->initCount == 1);
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char * path = font_get("test font");
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CHECK(path);
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CHECK(strcmp(path, FONT_TEST_FILE) == 0);
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free(path);
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CHECK(stats->selectCount == 1);
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const char text[] = "fallback \xE4\xB8\xAD";
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CHECK(font_addText(text));
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CHECK(!font_addText(text));
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ImFontAtlas * atlas = ImFontAtlas_ImFontAtlas();
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CHECK(atlas);
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ImFont * large = NULL;
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CHECK(font_buildAtlas(atlas, 14.0f, &large));
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CHECK(large);
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CHECK(stats->resolveCount == 1);
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CHECK(stats->incompatibleSkipCount == 1);
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CHECK(stats->fallbackAcceptCount == 1);
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large = NULL;
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CHECK(font_buildAtlas(atlas, 18.0f, &large));
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CHECK(large);
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CHECK(stats->resolveCount == 2);
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CHECK(stats->incompatibleSkipCount == 2);
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CHECK(stats->fallbackAcceptCount == 2);
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ImFontAtlas_destroy(atlas);
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font_free();
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font_free();
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CHECK(stats->freeCount == 1);
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CHECK(!font_addText("after free"));
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CHECK(font_init());
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CHECK(stats->initCount == 2);
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font_free();
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CHECK(stats->freeCount == 2);
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}
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int main(void)
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{
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debug_init();
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testInvalidFontData();
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testValidFontData();
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testFontLifecycle();
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return 0;
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}
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