reactos/rostests/apitests/gdi32/GetGlyphIndices.c

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/*
* PROJECT: ReactOS api tests
* LICENSE: GPL - See COPYING in the top level directory
* PURPOSE: Test for GetGlyphIndices
* PROGRAMMERS: Ged Murphy
*/
#include <apitest.h>
#include <wingdi.h>
#include <winuser.h>
#include <strsafe.h>
#define ok_lasterrornotchanged() \
ok_err(0x12345)
#define MAX_BMP_GLYPHS 0xFFFF
static LPVOID GetResource(LPCWSTR FontName, LPDWORD Size)
{
HRSRC hRsrc;
LPVOID Data;
hRsrc = FindResourceW(GetModuleHandleW(NULL), FontName, (LPCWSTR)RT_RCDATA);
if (!hRsrc) return NULL;
Data = LockResource(LoadResource(GetModuleHandleW(NULL), hRsrc));
if (!Data) return NULL;
*Size = SizeofResource(GetModuleHandleW(NULL), hRsrc);
if (*Size == 0) return NULL;
return Data;
}
static BOOL ExtractTTFFile(LPCWSTR FontName, LPWSTR TempFile)
{
WCHAR TempPath[MAX_PATH];
HANDLE hFile;
void *Data;
DWORD Size;
BOOL ret;
Data = GetResource(FontName, &Size);
if (!Data) return FALSE;
GetTempPathW(MAX_PATH, TempPath);
GetTempFileNameW(TempPath, L"ttf", 0, TempFile);
hFile = CreateFileW(TempFile, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0);
if (hFile == INVALID_HANDLE_VALUE) return FALSE;
ret = WriteFile(hFile, Data, Size, &Size, NULL);
CloseHandle(hFile);
return ret;
}
static BOOL InstallTempFont(LPWSTR TempFile)
{
if (ExtractTTFFile(L"ReactOSTestTahoma.ttf", TempFile))
{
if (AddFontResourceExW(TempFile, FR_PRIVATE, 0) > 0)
{
return TRUE;
}
}
return FALSE;
}
static VOID RemoveTempFont(LPWSTR TempFile)
{
BOOL Success;
Success = RemoveFontResourceExW(TempFile, FR_PRIVATE, 0);
ok(Success, "RemoveFontResourceEx() failed, we're leaving fonts installed : %lu\n", GetLastError());
DeleteFileW(TempFile);
}
static HFONT IntCreateFont(LPWSTR FontName)
{
LOGFONTW Font = { 0 };
Font.lfCharSet = DEFAULT_CHARSET;
wcsncpy(Font.lfFaceName, FontName, sizeof(Font.lfFaceName) / sizeof(Font.lfFaceName[0]));
return CreateFontIndirectW(&Font);
}
START_TEST(GetGlyphIndices)
{
WCHAR Glyphs[MAX_BMP_GLYPHS];
WORD Indices[MAX_BMP_GLYPHS];
WCHAR Single[2] = { L' ', UNICODE_NULL };
WCHAR TempTTFFile[MAX_PATH];
HFONT hFont;
HDC hdc;
int i;
if (!InstallTempFont(TempTTFFile))
{
skip("Failed to create ttf file for testing\n");
return;
}
hdc = CreateCompatibleDC(NULL);
ok(hdc != 0, "CreateCompatibleDC failed, skipping tests.\n");
if (!hdc) return;
hFont = IntCreateFont(L"ReactOSTestTahoma");
ok(hFont != NULL, "Failed to open the test font");
SelectObject(hdc, hFont);
SetLastError(0x12345);
/* Test NULL DC */
ok_int(GetGlyphIndicesW(NULL, Single, 1, Indices, 0), GDI_ERROR);
ok_lasterrornotchanged();
/* Test invalid DC */
ok_int(GetGlyphIndicesW((HDC)(ULONG_PTR)0x12345, Single, 1, Indices, 0), GDI_ERROR);
ok_lasterrornotchanged();
/* Test invalid params */
ok_int(GetGlyphIndicesW(hdc, NULL, 0, Indices, 0), GDI_ERROR);
ok_lasterrornotchanged();
ok_int(GetGlyphIndicesW(hdc, NULL, 1, Indices, 0), GDI_ERROR);
ok_lasterrornotchanged();
ok_int(GetGlyphIndicesW(hdc, Single, 1, NULL, 0), GDI_ERROR);
ok_lasterrornotchanged();
/* Test a single valid char */
Single[0] = L'a';
ok_int(GetGlyphIndicesW(hdc, Single, 1, Indices, 0), 1);
ok_lasterrornotchanged();
ok_int(Indices[0], 68);
/* Setup an array of all possible BMP glyphs */
for (i = 0; i < 4; i++)
Glyphs[i] = (WCHAR)i;
/* Test a string of valid chars */
StringCchCopyW(Glyphs, MAX_BMP_GLYPHS, L"0123");
ok_int(GetGlyphIndicesW(hdc, Glyphs, 4, Indices, 0), 4);
ok_lasterrornotchanged();
ok_int(Indices[0], 19);
ok_int(Indices[1], 20);
ok_int(Indices[2], 21);
ok_int(Indices[3], 22);
/* Setup an array of all possible BMP glyphs */
for (i = 0; i < MAX_BMP_GLYPHS; i++)
Glyphs[i] = (WCHAR)i;
/* Get all the glyphs */
ok_int(GetGlyphIndicesW(hdc,
Glyphs,
MAX_BMP_GLYPHS,
Indices,
GGI_MARK_NONEXISTING_GLYPHS), MAX_BMP_GLYPHS);
/* The first 32 are invalid and should contain 0xffff */
for (i = 0; i < 32; i++)
ok_int(Indices[i], 0xffff);
/* These are the first 2 valid chars */
ok(Indices[32] != 0xffff, "ascii char ' ' should be a valid char");
ok(Indices[33] != 0xffff, "ascii char '!' should be a valid char");
RemoveTempFont(TempTTFFile);
}