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[GDI32_APITEST] Add tests for SetLayout and its effects (#3203)
As part of the efforts to fix mirroring (Right-to-left UI), this API test should help determine what is wrong currently in how certain functions behave when the DC is mirrored. It focuses mostly on BitBlt, StretchBlt and LPtoDP. Inspired by PR #3109. CORE-17298
This commit is contained in:
Baruch Rutman
GitHub
parent
7b20065211
commit
f6de3342bf
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@ -69,6 +69,7 @@ list(APPEND SOURCE
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SetDCPenColor.c
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SetDIBits.c
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SetDIBitsToDevice.c
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SetLayout.c
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SetMapMode.c
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SetPixel.c
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SetSysColors.c
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268
modules/rostests/apitests/gdi32/SetLayout.c
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268
modules/rostests/apitests/gdi32/SetLayout.c
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@ -0,0 +1,268 @@
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/*
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* PROJECT: ReactOS api tests
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* LICENSE: GPL - See COPYING in the top level directory
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* PURPOSE: Tests for SetLayout and its effects on other gdi functions
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* such as StretchBlt, BitBlt, LPtoDP, DPtoLP
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* PROGRAMMERS: Baruch Rutman
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* Inspired by the StretchBlt test
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*/
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#include "precomp.h"
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static void copy(PUINT32 buffer, UINT32 value, int width, int start_x, int start_y, int end_x, int end_y)
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{
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for (int y = start_y; y < end_y; y++)
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{
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for (int x = start_x; x < end_x; x++)
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buffer[y * width + x] = value;
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}
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}
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#define BLACK_PIXEL 0x000000
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#define BLUE_PIXEL 0x0000FF
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#define GREEN_PIXEL 0x00FF00
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#define RED_PIXEL 0xFF0000
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#define WHITE_PIXEL 0xFFFFFF
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#if 0
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#include "wincon.h"
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/* Draw the bitmap as colored letters on white background */
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static void
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dump(PUINT32 buffer, int width, LPCSTR title)
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{
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HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
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CONSOLE_SCREEN_BUFFER_INFO info;
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GetConsoleScreenBufferInfo(hConsole, &info);
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if (title)
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printf("%s", title);
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for (int i = 0; i < width * width; i++)
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{
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char c;
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WORD attributes = 0;
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UINT32 pixel_value = buffer[i];
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if (i % width == 0)
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{
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SetConsoleTextAttribute(hConsole, info.wAttributes);
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putchar('\n');
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}
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switch (pixel_value)
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{
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case WHITE_PIXEL:
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c = 'W';
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break;
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case BLUE_PIXEL:
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c = 'B';
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break;
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case GREEN_PIXEL:
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c = 'G';
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break;
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case RED_PIXEL:
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c = 'R';
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break;
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case BLACK_PIXEL:
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c = 'E'; /* Use 'E' for 'Empty' because 'B' is taken */
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break;
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default:
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c = '?';
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}
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if (pixel_value != WHITE_PIXEL && c != '?')
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{
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attributes = (pixel_value & RED_PIXEL) ? FOREGROUND_RED : 0 |
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(pixel_value & GREEN_PIXEL) ? FOREGROUND_GREEN : 0 |
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(pixel_value & BLUE_PIXEL) ? FOREGROUND_BLUE : 0;
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}
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SetConsoleTextAttribute(hConsole, attributes | BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_RED);
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putchar(c);
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}
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SetConsoleTextAttribute(hConsole, info.wAttributes);
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putchar('\n');
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}
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#endif
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static void nomirror_test(PUINT32 dstBuffer, PUINT32 srcBuffer, int width, int line)
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{
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for (int y = 0; y < width; y++)
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{
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for (int x = 0; x < width; x++)
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{
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if (x == width - 1)
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{
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ok(dstBuffer[y * width + x] == BLACK_PIXEL,
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"Expected blank (black) pixel (0x0), got (%06X), coordinates (%d, %d). line: %d\n",
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dstBuffer[y * width + x], x, y, line);
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}
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else
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{
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ok(dstBuffer[y * width + x] == srcBuffer[y * width + x + 1],
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"Coordinates: (%d, %d), expected (%06X), got (%06X). line: %d\n",
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x, y, srcBuffer[y * width + x + 1], dstBuffer[y * width + x], line);
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}
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}
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}
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}
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#define WIDTH 10
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START_TEST(SetLayout)
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{
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HBITMAP bmpDst, bmpSrc, oldDst, oldSrc;
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HDC hdc, hdcDst, hdcSrc;
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PUINT32 dstBuffer, srcBuffer;
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BITMAPINFO info = { 0 };
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size_t nBuf = WIDTH * WIDTH * sizeof(UINT32);
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hdc = CreateCompatibleDC(NULL);
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hdcDst = CreateCompatibleDC(hdc);
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hdcSrc = CreateCompatibleDC(hdc);
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info.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
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info.bmiHeader.biWidth = WIDTH;
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info.bmiHeader.biHeight = -WIDTH;
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info.bmiHeader.biPlanes = 1;
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info.bmiHeader.biBitCount = 32;
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info.bmiHeader.biCompression = BI_RGB;
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/* Create bitmaps to test with */
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bmpSrc = CreateDIBSection(hdcSrc, &info, DIB_RGB_COLORS, (PVOID*)&srcBuffer, NULL, 0);
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bmpDst = CreateDIBSection(hdcDst, &info, DIB_RGB_COLORS, (PVOID*)&dstBuffer, NULL, 0);
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if (!bmpSrc || !bmpDst)
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{
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skip("Failed to create bitmaps");
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goto cleanup;
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}
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oldSrc = SelectObject(hdcSrc, bmpSrc);
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oldDst = SelectObject(hdcDst, bmpDst);
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/* Create base "image" for use in the tests */
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copy(srcBuffer, WHITE_PIXEL, WIDTH, 0, 0, WIDTH / 2, WIDTH / 2);
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copy(srcBuffer, BLUE_PIXEL, WIDTH, 0, WIDTH / 2, WIDTH / 2, WIDTH);
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copy(srcBuffer, GREEN_PIXEL, WIDTH, WIDTH / 2, 0, WIDTH, WIDTH / 2);
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copy(srcBuffer, RED_PIXEL, WIDTH, WIDTH / 2, WIDTH / 2, WIDTH, WIDTH);
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/* Mirror destination DC */
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SetLayout(hdcDst, LAYOUT_RTL);
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ok(GetLayout(hdcDst) == LAYOUT_RTL, "DC layout is not RTL\n");
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ok(GetMapMode(hdcDst) == MM_ANISOTROPIC, "DC Map mode is not MM_ANISOTROPIC\n");
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/* Test RTL transform (using LPtoDP) and the inverse transform (DPtoLP) */
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for (int y = 0; y < WIDTH; y++)
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{
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for (int x = 0; x < WIDTH; x++)
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{
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POINT pt = { x, y };
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POINT mirrored = { WIDTH - 1 - x, y }; /* Expected results */
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LPtoDP(hdcDst, &pt, 1);
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/* Test LPtoDP */
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ok(pt.x == mirrored.x && pt.y == mirrored.y,
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"Coodinates: (%d, %d), expected (%ld, %ld), got (%ld, %ld)\n",
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x, y, mirrored.x, mirrored.y, pt.x, pt.y);
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pt = mirrored;
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/* Test DPtoLP */
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DPtoLP(hdcDst, &pt, 1);
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ok(pt.x == x && pt.y == y,
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"Mirrored Coodinates: (%ld, %ld), expected (%d, %d), got (%ld, %ld)\n",
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mirrored.x, mirrored.y, x, y, pt.x, pt.y);
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}
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}
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ZeroMemory(dstBuffer, nBuf);
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StretchBlt(hdcDst, 0, 0, WIDTH, WIDTH, hdcSrc, 0, 0, WIDTH, WIDTH, SRCCOPY);
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for (int y = 0; y < WIDTH; y++)
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{
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for (int x = 0; x < WIDTH; x++)
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{
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/* Test if the image is mirrored using the assumed RTL transform results */
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ok(dstBuffer[y * WIDTH + (WIDTH - 1 - x)] == srcBuffer[y * WIDTH + x],
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"Coordinates: (%d, %d), expected (%06X), got (%06X)\n",
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x, y, srcBuffer[y * WIDTH + x], dstBuffer[y * WIDTH + (WIDTH - 1 - x)]);
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}
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}
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ZeroMemory(dstBuffer, nBuf);
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StretchBlt(hdcDst, 0, 0, WIDTH, WIDTH, hdcSrc, 0, 0, WIDTH, WIDTH, SRCCOPY | NOMIRRORBITMAP);
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nomirror_test(dstBuffer, srcBuffer, WIDTH, __LINE__);
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ZeroMemory(dstBuffer, nBuf);
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BitBlt(hdcDst, 0, 0, WIDTH, WIDTH, hdcSrc, 0, 0, SRCCOPY);
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for (int y = 0; y < WIDTH; y++)
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{
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for (int x = 0; x < WIDTH; x++)
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{
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/* Test if the image is mirrored using the assumed RTL transform results */
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ok(dstBuffer[y * WIDTH + (WIDTH - 1 - x)] == srcBuffer[y * WIDTH + x],
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"Coordinates: (%d, %d), expected (%06X), got (%06X)\n",
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x, y, srcBuffer[y * WIDTH + x], dstBuffer[y * WIDTH + (WIDTH - 1 - x)]);
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}
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}
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ZeroMemory(dstBuffer, nBuf);
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BitBlt(hdcDst, 0, 0, WIDTH, WIDTH, hdcSrc, 0, 0, SRCCOPY | NOMIRRORBITMAP);
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nomirror_test(dstBuffer, srcBuffer, WIDTH, __LINE__);
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SetLayout(hdcDst, LAYOUT_RTL | LAYOUT_BITMAPORIENTATIONPRESERVED);
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ok(GetLayout(hdcDst) == (LAYOUT_RTL | LAYOUT_BITMAPORIENTATIONPRESERVED),
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"DC Layout is not LAYOUT_RTL | LAYOUT_BITMAPORIENTATIONPRESERVED\n");
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ok(GetMapMode(hdcDst) == MM_ANISOTROPIC, "DC Map mode is not MM_ANISOTROPIC\n");
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ZeroMemory(dstBuffer, nBuf);
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StretchBlt(hdcDst, 0, 0, WIDTH, WIDTH, hdcSrc, 0, 0, WIDTH, WIDTH, SRCCOPY);
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nomirror_test(dstBuffer, srcBuffer, WIDTH, __LINE__);
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ZeroMemory(dstBuffer, nBuf);
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StretchBlt(hdcDst, 0, 0, WIDTH, WIDTH, hdcSrc, 0, 0, WIDTH, WIDTH, SRCCOPY | NOMIRRORBITMAP);
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nomirror_test(dstBuffer, srcBuffer, WIDTH, __LINE__);
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ZeroMemory(dstBuffer, nBuf);
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BitBlt(hdcDst, 0, 0, WIDTH, WIDTH, hdcSrc, 0, 0, SRCCOPY);
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nomirror_test(dstBuffer, srcBuffer, WIDTH, __LINE__);
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ZeroMemory(dstBuffer, nBuf);
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BitBlt(hdcDst, 0, 0, WIDTH, WIDTH, hdcSrc, 0, 0, SRCCOPY | NOMIRRORBITMAP);
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nomirror_test(dstBuffer, srcBuffer, WIDTH, __LINE__);
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/* Reset DC layout to default (LTR) */
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SetLayout(hdcDst, LAYOUT_LTR);
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ok(GetLayout(hdcDst) == LAYOUT_LTR, "DC layout is not LAYOUT_LTR");
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for (int y = 0; y < WIDTH; y++)
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{
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for (int x = 0; x < WIDTH; x++)
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{
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POINT pt = { x, y };
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LPtoDP(hdcDst, &pt, 1);
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/* Confirm that RTL transform is not the current one */
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ok(pt.x == x && pt.y == y,
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"Expected (%d, %d) got (%ld, %ld)\n", x, y, pt.x, pt.y);
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}
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}
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ZeroMemory(dstBuffer, nBuf);
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StretchBlt(hdcDst, 0, 0, WIDTH, WIDTH, hdcSrc, 0, 0, WIDTH, WIDTH, SRCCOPY);
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ok(memcmp(dstBuffer, srcBuffer, nBuf) == 0, "Bitmaps are not identical\n");
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SetLayout(hdcDst, LAYOUT_BITMAPORIENTATIONPRESERVED);
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ok(GetLayout(hdcDst) == LAYOUT_BITMAPORIENTATIONPRESERVED, "DC Layout is not LAYOUT_BITMAPORIENTATIONPRESERVED");
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SelectObject(hdcSrc, oldSrc);
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SelectObject(hdcDst, oldDst);
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DeleteObject(bmpSrc);
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DeleteObject(bmpDst);
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cleanup:
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DeleteDC(hdcSrc);
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DeleteDC(hdcDst);
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DeleteDC(hdc);
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}
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@ -70,6 +70,7 @@ extern void func_SetBrushOrgEx(void);
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extern void func_SetDCPenColor(void);
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extern void func_SetDIBits(void);
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extern void func_SetDIBitsToDevice(void);
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extern void func_SetLayout(void);
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extern void func_SetMapMode(void);
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extern void func_SetPixel(void);
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extern void func_SetSysColors(void);
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@ -147,6 +148,7 @@ const struct test winetest_testlist[] =
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{ "SetDCPenColor", func_SetDCPenColor },
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{ "SetDIBits", func_SetDIBits },
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{ "SetDIBitsToDevice", func_SetDIBitsToDevice },
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{ "SetLayout", func_SetLayout },
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{ "SetMapMode", func_SetMapMode },
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{ "SetPixel", func_SetPixel },
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{ "SetSysColors", func_SetSysColors },
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