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109 lines
3.5 KiB
C
109 lines
3.5 KiB
C
/*
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* PROJECT: ReactOS API tests
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* LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
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* PURPOSE: Tests for the StretchBlt API
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* COPYRIGHT: Copyright 2020 Doug Lyons (douglyons at douglyons dot com)
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* Most Code copied and modified from Wine gdi32:bitmap test.
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*/
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#include <stdarg.h>
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#include <assert.h>
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#include <string.h>
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "windef.h"
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#include "winbase.h"
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#include "winerror.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "wine/test.h"
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static void test_StretchBlt(void)
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{
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HBITMAP bmpDst, bmpSrc;
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HDC hdcDst, hdcSrc;
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UINT32 *dstBuffer, *srcBuffer;
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BITMAPINFO biDst, biSrc;
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UINT32 expected[256];
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memset(&biDst, 0, sizeof(BITMAPINFO));
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biDst.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
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biDst.bmiHeader.biWidth = 2;
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biDst.bmiHeader.biHeight = 2; // Set our Height to positive so we are bottom-up
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biDst.bmiHeader.biPlanes = 1;
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biDst.bmiHeader.biBitCount = 32; // Set our BitCount to 32 which is Full Color
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biDst.bmiHeader.biCompression = BI_RGB;
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memcpy(&biSrc, &biDst, sizeof(BITMAPINFO)); // Put same Destination params into the Source
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hdcDst = CreateCompatibleDC(0);
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hdcSrc = CreateCompatibleDC(0);
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bmpSrc = CreateDIBSection(hdcSrc, &biSrc, DIB_RGB_COLORS, (void**)&srcBuffer, NULL, 0);
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SelectObject(hdcSrc, bmpSrc);
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bmpDst = CreateDIBSection(hdcDst, &biDst, DIB_RGB_COLORS, (void**)&dstBuffer, NULL, 0);
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SelectObject(hdcDst, bmpDst);
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srcBuffer[0] = 0x000000FF; // BLUE - stored beginning bottom left
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srcBuffer[1] = 0x0000FF00; // GREEN
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srcBuffer[2] = 0x00FF0000; // RED
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srcBuffer[3] = 0xFF000000; // BLACK - 0xFF for alpha channel is easy to recognize when printed in hex format
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/* Flip Left to Right on Source */
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StretchBlt(hdcDst, 0, 0, 2, 2, hdcSrc, 1, 0, -2, 2, SRCCOPY);
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expected[0] = 0x0000FF00;
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expected[1] = 0x000000FF;
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expected[2] = 0xFF000000;
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expected[3] = 0x00FF0000;
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ok(expected[1] == dstBuffer[1], "StretchBlt expected { %08X } got { %08X }\n",
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expected[1], dstBuffer[1]);
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ok(expected[3] == dstBuffer[3], "StretchBlt expected { %08X } got { %08X }\n",
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expected[3], dstBuffer[3]);
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/* Flip Top to Bottom on Source */
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StretchBlt(hdcDst, 0, 0, 2, 2, hdcSrc, 0, 1, 2, -2, SRCCOPY);
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expected[0] = 0x00FF0000;
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expected[1] = 0xFF000000;
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expected[2] = 0x000000FF;
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expected[3] = 0x0000FF00;
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ok(expected[0] == dstBuffer[0], "StretchBlt expected { %08X } got { %08X }\n",
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expected[0], dstBuffer[0]);
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ok(expected[1] == dstBuffer[1], "StretchBlt expected { %08X } got { %08X }\n",
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expected[1], dstBuffer[1]);
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/* Flip Left to Right and Top to Bottom on Source */
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StretchBlt(hdcDst, 0, 0, 2, 2, hdcSrc, 1, 1, -2, -2, SRCCOPY);
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expected[0] = 0xFF000000;
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expected[1] = 0x00FF0000;
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expected[2] = 0x0000FF00;
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expected[3] = 0x000000FF;
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ok(expected[1] == dstBuffer[1], "StretchBlt expected { %08X } got { %08X }\n",
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expected[1], dstBuffer[1]);
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/* Flip Left to Right and Top to Bottom on both Source and Destination */
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StretchBlt(hdcDst, 1, 1, -2, -2, hdcSrc, 1, 1, -2, -2, SRCCOPY);
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expected[0] = 0xFF000000;
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expected[1] = 0x00FF0000;
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expected[2] = 0x00FF0000;
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expected[3] = 0x000000FF;
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ok(expected[1] == dstBuffer[1], "StretchBlt expected { %08X } got { %08X }\n",
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expected[1], dstBuffer[1]);
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DeleteDC(hdcSrc);
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DeleteDC(hdcDst);
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}
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START_TEST(StretchBlt)
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{
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test_StretchBlt();
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}
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