Sweden-Number/dlls/msvfw32/tests/drawdib.c

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2014-05-02 15:14:21 +02:00
/*
* Copyright 2014 Akihiro Sagawa
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <vfw.h>
#include <wincrypt.h>
#include <stdlib.h>
#include <string.h>
#include "wine/test.h"
#define WIDTH 16
#define HEIGHT 12
static HCRYPTPROV crypt_prov;
static inline DWORD get_stride(const BITMAPINFO *bmi)
{
return ((bmi->bmiHeader.biBitCount * bmi->bmiHeader.biWidth + 31) >> 3) & ~3;
}
static inline DWORD get_dib_size(const BITMAPINFO *bmi)
{
return get_stride(bmi) * abs(bmi->bmiHeader.biHeight);
}
static char *hash_dib(const BITMAPINFO *bmi, const void *bits)
{
DWORD dib_size = get_dib_size(bmi);
HCRYPTHASH hash;
char *buf;
BYTE hash_buf[20];
DWORD hash_size = sizeof(hash_buf);
int i;
static const char *hex = "0123456789abcdef";
if(!crypt_prov) return NULL;
if(!CryptCreateHash(crypt_prov, CALG_SHA1, 0, 0, &hash)) return NULL;
CryptHashData(hash, bits, dib_size, 0);
CryptGetHashParam(hash, HP_HASHVAL, NULL, &hash_size, 0);
if(hash_size != sizeof(hash_buf)) return NULL;
CryptGetHashParam(hash, HP_HASHVAL, hash_buf, &hash_size, 0);
CryptDestroyHash(hash);
buf = HeapAlloc(GetProcessHeap(), 0, hash_size * 2 + 1);
for(i = 0; i < hash_size; i++)
{
buf[i * 2] = hex[hash_buf[i] >> 4];
buf[i * 2 + 1] = hex[hash_buf[i] & 0xf];
}
buf[i * 2] = '\0';
return buf;
}
static void init_bmi(BITMAPINFO *bmi, LONG width, LONG height, DWORD size)
{
memset(bmi, 0, sizeof(*bmi));
bmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bmi->bmiHeader.biWidth = width;
bmi->bmiHeader.biHeight = height;
bmi->bmiHeader.biPlanes = 1;
bmi->bmiHeader.biBitCount = 32;
bmi->bmiHeader.biCompression = BI_RGB;
bmi->bmiHeader.biSizeImage = size;
}
static void test_DrawDib_sizeimage(void)
{
const struct {
LONG width, height;
DWORD size;
char hash[41];
} test_data[] = {
/* [0] correct size */
{ WIDTH, HEIGHT, WIDTH * HEIGHT * sizeof(RGBQUAD), "bc943d5ab024b8b0118d0a80aa283055d39942b8" },
/* [1] zero size */
{ WIDTH, HEIGHT, 0, "bc943d5ab024b8b0118d0a80aa283055d39942b8" },
/* error patterns */
{ WIDTH, -HEIGHT, 0, "" },
{ -WIDTH, HEIGHT, 0, "" },
{ -WIDTH, -HEIGHT, 0, "" },
{ 0, 0, 0, "" },
{ 0, HEIGHT, 0, "" },
{ WIDTH, 0, 0, "" },
/* [8] zero size (to compare [9], [10] ) */
{ WIDTH, HEIGHT/2, 0, "8b75bf6d54a8645380114fe77505ee0699ffffaa" },
/* [9] insufficient size */
{ WIDTH, HEIGHT/2, sizeof(RGBQUAD), "8b75bf6d54a8645380114fe77505ee0699ffffaa" },
/* [10] too much size */
{ WIDTH, HEIGHT/2, WIDTH * HEIGHT * sizeof(RGBQUAD), "8b75bf6d54a8645380114fe77505ee0699ffffaa" },
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};
HDC hdc;
DWORD src_dib_size, dst_dib_size;
BOOL r;
HBITMAP dib;
BITMAPINFO src_info, dst_info;
RGBQUAD *src_bits = NULL, *dst_bits;
HDRAWDIB hdd;
unsigned int i;
hdc = CreateCompatibleDC(NULL);
init_bmi(&dst_info, WIDTH, HEIGHT, 0);
dib = CreateDIBSection(NULL, &dst_info, DIB_RGB_COLORS, (void **)&dst_bits, NULL, 0);
dst_dib_size = get_dib_size(&dst_info);
ok(dib != NULL, "CreateDIBSection failed\n");
SelectObject(hdc, dib);
init_bmi(&src_info, WIDTH, HEIGHT, 0);
src_dib_size = get_dib_size(&src_info);
src_bits = HeapAlloc(GetProcessHeap(), 0, src_dib_size);
ok(src_bits != NULL, "Can't allocate memory\n");
memset(src_bits, 0x88, src_dib_size);
hdd = DrawDibOpen();
ok(hdd != NULL, "DrawDibOpen failed\n");
for (i = 0; i < ARRAY_SIZE(test_data); i++) {
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char *hash;
memset(dst_bits, 0xff, dst_dib_size);
init_bmi(&src_info, test_data[i].width, test_data[i].height, test_data[i].size);
r = DrawDibDraw(hdd, hdc,
0, 0, -1, -1, &src_info.bmiHeader, src_bits,
0, 0, test_data[i].width, test_data[i].height, 0);
if (test_data[i].hash[0])
ok(r, "[%u] DrawDibDraw failed, expected success\n", i);
else
ok(!r, "[%u] DrawDibDraw succeeded, expected failed\n", i);
if (!r || !test_data[i].hash[0])
continue;
hash = hash_dib(&dst_info, dst_bits);
if (!hash) {
win_skip("This platform doesn't support SHA-1 hash\n");
continue;
}
ok(strcmp(hash, test_data[i].hash) == 0,
"[%u] got %s, expected %s\n",
i, hash, test_data[i].hash);
HeapFree(GetProcessHeap(), 0, hash);
}
r = DrawDibClose(hdd);
ok(r, "DrawDibClose failed\n");
HeapFree(GetProcessHeap(), 0, src_bits);
DeleteDC(hdc);
}
START_TEST(drawdib)
{
CryptAcquireContextW(&crypt_prov, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT);
test_DrawDib_sizeimage();
CryptReleaseContext(crypt_prov, 0);
}