+/*
+ * 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" },
+ };
+ 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 < sizeof(test_data)/sizeof(test_data[0]); i++) {
+ 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);
+}
projects / reactos.git / commitdiff