reactos/modules/rostests/apitests/gdi32/SetLayout.c

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/*
* PROJECT: ReactOS api tests
* LICENSE: GPL - See COPYING in the top level directory
* PURPOSE: Tests for SetLayout and its effects on other gdi functions
* such as StretchBlt, BitBlt, LPtoDP, DPtoLP
* PROGRAMMERS: Baruch Rutman
* Inspired by the StretchBlt test
*/
#include "precomp.h"
static void copy(PUINT32 buffer, UINT32 value, int width, int start_x, int start_y, int end_x, int end_y)
{
for (int y = start_y; y < end_y; y++)
{
for (int x = start_x; x < end_x; x++)
buffer[y * width + x] = value;
}
}
#define BLACK_PIXEL 0x000000
#define BLUE_PIXEL 0x0000FF
#define GREEN_PIXEL 0x00FF00
#define RED_PIXEL 0xFF0000
#define WHITE_PIXEL 0xFFFFFF
#if 0
#include "wincon.h"
/* Draw the bitmap as colored letters on white background */
static void
dump(PUINT32 buffer, int width, LPCSTR title)
{
HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
CONSOLE_SCREEN_BUFFER_INFO info;
GetConsoleScreenBufferInfo(hConsole, &info);
if (title)
printf("%s", title);
for (int i = 0; i < width * width; i++)
{
char c;
WORD attributes = 0;
UINT32 pixel_value = buffer[i];
if (i % width == 0)
{
SetConsoleTextAttribute(hConsole, info.wAttributes);
putchar('\n');
}
switch (pixel_value)
{
case WHITE_PIXEL:
c = 'W';
break;
case BLUE_PIXEL:
c = 'B';
break;
case GREEN_PIXEL:
c = 'G';
break;
case RED_PIXEL:
c = 'R';
break;
case BLACK_PIXEL:
c = 'E'; /* Use 'E' for 'Empty' because 'B' is taken */
break;
default:
c = '?';
}
if (pixel_value != WHITE_PIXEL && c != '?')
{
attributes = (pixel_value & RED_PIXEL) ? FOREGROUND_RED : 0 |
(pixel_value & GREEN_PIXEL) ? FOREGROUND_GREEN : 0 |
(pixel_value & BLUE_PIXEL) ? FOREGROUND_BLUE : 0;
}
SetConsoleTextAttribute(hConsole, attributes | BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_RED);
putchar(c);
}
SetConsoleTextAttribute(hConsole, info.wAttributes);
putchar('\n');
}
#endif
static void nomirror_test(PUINT32 dstBuffer, PUINT32 srcBuffer, int width, int line)
{
for (int y = 0; y < width; y++)
{
for (int x = 0; x < width; x++)
{
if (x == width - 1)
{
ok(dstBuffer[y * width + x] == BLACK_PIXEL,
"Expected blank (black) pixel (0x0), got (%06X), coordinates (%d, %d). line: %d\n",
dstBuffer[y * width + x], x, y, line);
}
else
{
ok(dstBuffer[y * width + x] == srcBuffer[y * width + x + 1],
"Coordinates: (%d, %d), expected (%06X), got (%06X). line: %d\n",
x, y, srcBuffer[y * width + x + 1], dstBuffer[y * width + x], line);
}
}
}
}
#define WIDTH 10
START_TEST(SetLayout)
{
HBITMAP bmpDst, bmpSrc, oldDst, oldSrc;
HDC hdc, hdcDst, hdcSrc;
PUINT32 dstBuffer, srcBuffer;
BITMAPINFO info = { 0 };
size_t nBuf = WIDTH * WIDTH * sizeof(UINT32);
hdc = CreateCompatibleDC(NULL);
hdcDst = CreateCompatibleDC(hdc);
hdcSrc = CreateCompatibleDC(hdc);
info.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
info.bmiHeader.biWidth = WIDTH;
info.bmiHeader.biHeight = -WIDTH;
info.bmiHeader.biPlanes = 1;
info.bmiHeader.biBitCount = 32;
info.bmiHeader.biCompression = BI_RGB;
/* Create bitmaps to test with */
bmpSrc = CreateDIBSection(hdcSrc, &info, DIB_RGB_COLORS, (PVOID*)&srcBuffer, NULL, 0);
bmpDst = CreateDIBSection(hdcDst, &info, DIB_RGB_COLORS, (PVOID*)&dstBuffer, NULL, 0);
if (!bmpSrc || !bmpDst)
{
skip("Failed to create bitmaps");
goto cleanup;
}
oldSrc = SelectObject(hdcSrc, bmpSrc);
oldDst = SelectObject(hdcDst, bmpDst);
/* Create base "image" for use in the tests */
copy(srcBuffer, WHITE_PIXEL, WIDTH, 0, 0, WIDTH / 2, WIDTH / 2);
copy(srcBuffer, BLUE_PIXEL, WIDTH, 0, WIDTH / 2, WIDTH / 2, WIDTH);
copy(srcBuffer, GREEN_PIXEL, WIDTH, WIDTH / 2, 0, WIDTH, WIDTH / 2);
copy(srcBuffer, RED_PIXEL, WIDTH, WIDTH / 2, WIDTH / 2, WIDTH, WIDTH);
/* Mirror destination DC */
SetLayout(hdcDst, LAYOUT_RTL);
ok(GetLayout(hdcDst) == LAYOUT_RTL, "DC layout is not RTL\n");
ok(GetMapMode(hdcDst) == MM_ANISOTROPIC, "DC Map mode is not MM_ANISOTROPIC\n");
/* Test RTL transform (using LPtoDP) and the inverse transform (DPtoLP) */
for (int y = 0; y < WIDTH; y++)
{
for (int x = 0; x < WIDTH; x++)
{
POINT pt = { x, y };
POINT mirrored = { WIDTH - 1 - x, y }; /* Expected results */
LPtoDP(hdcDst, &pt, 1);
/* Test LPtoDP */
ok(pt.x == mirrored.x && pt.y == mirrored.y,
"Coodinates: (%d, %d), expected (%ld, %ld), got (%ld, %ld)\n",
x, y, mirrored.x, mirrored.y, pt.x, pt.y);
pt = mirrored;
/* Test DPtoLP */
DPtoLP(hdcDst, &pt, 1);
ok(pt.x == x && pt.y == y,
"Mirrored Coodinates: (%ld, %ld), expected (%d, %d), got (%ld, %ld)\n",
mirrored.x, mirrored.y, x, y, pt.x, pt.y);
}
}
ZeroMemory(dstBuffer, nBuf);
StretchBlt(hdcDst, 0, 0, WIDTH, WIDTH, hdcSrc, 0, 0, WIDTH, WIDTH, SRCCOPY);
for (int y = 0; y < WIDTH; y++)
{
for (int x = 0; x < WIDTH; x++)
{
/* Test if the image is mirrored using the assumed RTL transform results */
ok(dstBuffer[y * WIDTH + (WIDTH - 1 - x)] == srcBuffer[y * WIDTH + x],
"Coordinates: (%d, %d), expected (%06X), got (%06X)\n",
x, y, srcBuffer[y * WIDTH + x], dstBuffer[y * WIDTH + (WIDTH - 1 - x)]);
}
}
ZeroMemory(dstBuffer, nBuf);
StretchBlt(hdcDst, 0, 0, WIDTH, WIDTH, hdcSrc, 0, 0, WIDTH, WIDTH, SRCCOPY | NOMIRRORBITMAP);
nomirror_test(dstBuffer, srcBuffer, WIDTH, __LINE__);
ZeroMemory(dstBuffer, nBuf);
BitBlt(hdcDst, 0, 0, WIDTH, WIDTH, hdcSrc, 0, 0, SRCCOPY);
for (int y = 0; y < WIDTH; y++)
{
for (int x = 0; x < WIDTH; x++)
{
/* Test if the image is mirrored using the assumed RTL transform results */
ok(dstBuffer[y * WIDTH + (WIDTH - 1 - x)] == srcBuffer[y * WIDTH + x],
"Coordinates: (%d, %d), expected (%06X), got (%06X)\n",
x, y, srcBuffer[y * WIDTH + x], dstBuffer[y * WIDTH + (WIDTH - 1 - x)]);
}
}
ZeroMemory(dstBuffer, nBuf);
BitBlt(hdcDst, 0, 0, WIDTH, WIDTH, hdcSrc, 0, 0, SRCCOPY | NOMIRRORBITMAP);
nomirror_test(dstBuffer, srcBuffer, WIDTH, __LINE__);
SetLayout(hdcDst, LAYOUT_RTL | LAYOUT_BITMAPORIENTATIONPRESERVED);
ok(GetLayout(hdcDst) == (LAYOUT_RTL | LAYOUT_BITMAPORIENTATIONPRESERVED),
"DC Layout is not LAYOUT_RTL | LAYOUT_BITMAPORIENTATIONPRESERVED\n");
ok(GetMapMode(hdcDst) == MM_ANISOTROPIC, "DC Map mode is not MM_ANISOTROPIC\n");
ZeroMemory(dstBuffer, nBuf);
StretchBlt(hdcDst, 0, 0, WIDTH, WIDTH, hdcSrc, 0, 0, WIDTH, WIDTH, SRCCOPY);
nomirror_test(dstBuffer, srcBuffer, WIDTH, __LINE__);
ZeroMemory(dstBuffer, nBuf);
StretchBlt(hdcDst, 0, 0, WIDTH, WIDTH, hdcSrc, 0, 0, WIDTH, WIDTH, SRCCOPY | NOMIRRORBITMAP);
nomirror_test(dstBuffer, srcBuffer, WIDTH, __LINE__);
ZeroMemory(dstBuffer, nBuf);
BitBlt(hdcDst, 0, 0, WIDTH, WIDTH, hdcSrc, 0, 0, SRCCOPY);
nomirror_test(dstBuffer, srcBuffer, WIDTH, __LINE__);
ZeroMemory(dstBuffer, nBuf);
BitBlt(hdcDst, 0, 0, WIDTH, WIDTH, hdcSrc, 0, 0, SRCCOPY | NOMIRRORBITMAP);
nomirror_test(dstBuffer, srcBuffer, WIDTH, __LINE__);
/* Reset DC layout to default (LTR) */
SetLayout(hdcDst, LAYOUT_LTR);
ok(GetLayout(hdcDst) == LAYOUT_LTR, "DC layout is not LAYOUT_LTR");
for (int y = 0; y < WIDTH; y++)
{
for (int x = 0; x < WIDTH; x++)
{
POINT pt = { x, y };
LPtoDP(hdcDst, &pt, 1);
/* Confirm that RTL transform is not the current one */
ok(pt.x == x && pt.y == y,
"Expected (%d, %d) got (%ld, %ld)\n", x, y, pt.x, pt.y);
}
}
ZeroMemory(dstBuffer, nBuf);
StretchBlt(hdcDst, 0, 0, WIDTH, WIDTH, hdcSrc, 0, 0, WIDTH, WIDTH, SRCCOPY);
ok(memcmp(dstBuffer, srcBuffer, nBuf) == 0, "Bitmaps are not identical\n");
SetLayout(hdcDst, LAYOUT_BITMAPORIENTATIONPRESERVED);
ok(GetLayout(hdcDst) == LAYOUT_BITMAPORIENTATIONPRESERVED, "DC Layout is not LAYOUT_BITMAPORIENTATIONPRESERVED");
SelectObject(hdcSrc, oldSrc);
SelectObject(hdcDst, oldDst);
DeleteObject(bmpSrc);
DeleteObject(bmpDst);
cleanup:
DeleteDC(hdcSrc);
DeleteDC(hdcDst);
DeleteDC(hdc);
}