reactos/rostests/dibtests/dibtest/dibtest.c

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#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
#define CELL_SIZE 10
static RGBQUAD Colors[] =
{
{ 0x00, 0x00, 0x00, 0x00 }, // black
{ 0x00, 0x00, 0x80, 0x00 }, // red
{ 0x00, 0x80, 0x00, 0x00 }, // green
{ 0x00, 0x80, 0x80, 0x00 }, // brown
{ 0x80, 0x00, 0x00, 0x00 }, // blue
{ 0x80, 0x00, 0x80, 0x00 }, // magenta
{ 0x80, 0x80, 0x00, 0x00 }, // cyan
{ 0x80, 0x80, 0x80, 0x00 }, // dark gray
{ 0xc0, 0xc0, 0xc0, 0x00 }, // light gray
{ 0x00, 0x00, 0xFF, 0x00 }, // bright red
{ 0x00, 0xFF, 0x00, 0x00 }, // bright green
{ 0x00, 0xFF, 0xFF, 0x00 }, // bright yellow
{ 0xFF, 0x00, 0x00, 0x00 }, // bright blue
{ 0xFF, 0x00, 0xFF, 0x00 }, // bright magenta
{ 0xFF, 0xFF, 0x00, 0x00 }, // bright cyan
{ 0xFF, 0xFF, 0xFF, 0x00 } // bright white
};
LRESULT WINAPI MainWndProc(HWND, UINT, WPARAM, LPARAM);
int WINAPI
WinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpszCmdLine,
int nCmdShow)
{
WNDCLASS wc;
MSG msg;
HWND hWnd;
wc.lpszClassName = "DibTestClass";
wc.lpfnWndProc = MainWndProc;
wc.style = CS_VREDRAW | CS_HREDRAW;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon(NULL, (LPCTSTR)IDI_APPLICATION);
wc.hCursor = LoadCursor(NULL, (LPCTSTR)IDC_ARROW);
wc.hbrBackground = (HBRUSH)GetStockObject(GRAY_BRUSH);
wc.lpszMenuName = NULL;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
if (RegisterClass(&wc) == 0)
{
fprintf(stderr, "RegisterClass failed (last error 0x%lX)\n",
GetLastError());
return(1);
}
hWnd = CreateWindow("DibTestClass",
"DIB Test",
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT,
CW_USEDEFAULT,
25 * CELL_SIZE + 5,
25 * CELL_SIZE + 20,
NULL,
NULL,
hInstance,
NULL);
if (hWnd == NULL)
{
fprintf(stderr, "CreateWindow failed (last error 0x%lX)\n",
GetLastError());
return(1);
}
ShowWindow(hWnd, nCmdShow);
while(GetMessage(&msg, NULL, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return msg.wParam;
}
static void PaintCells(HDC WindowDC, WORD BitCount1, WORD BitCount2,
int XDest, int YDest)
{
HBRUSH Brush;
RECT Rect;
UINT row, col;
BITMAPINFO *BitmapInfo;
HBITMAP DIB1, DIB2;
HDC DC1, DC2;
BitmapInfo = malloc(sizeof(BITMAPINFO) + 15 * sizeof(RGBQUAD));
BitmapInfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
BitmapInfo->bmiHeader.biWidth = 4 * CELL_SIZE + 9;
BitmapInfo->bmiHeader.biHeight = -(4 * CELL_SIZE + 9); // it's top down (since BI_RGB is used, the sign is operative of direction)
BitmapInfo->bmiHeader.biPlanes = 1;
BitmapInfo->bmiHeader.biBitCount = BitCount1;
BitmapInfo->bmiHeader.biCompression = BI_RGB;
BitmapInfo->bmiHeader.biSizeImage = 0;
BitmapInfo->bmiHeader.biXPelsPerMeter = 0;
BitmapInfo->bmiHeader.biYPelsPerMeter = 0;
BitmapInfo->bmiHeader.biClrUsed = 16;
BitmapInfo->bmiHeader.biClrImportant = 16;
for (col = 0; col < 16; col++) {
BitmapInfo->bmiColors[col] = Colors[col];
}
DIB1 = CreateDIBSection(NULL, BitmapInfo, DIB_RGB_COLORS, NULL, NULL, 0);
DC1 = CreateCompatibleDC(NULL);
SelectObject(DC1, DIB1);
BitmapInfo->bmiHeader.biBitCount = BitCount2;
DIB2 = CreateDIBSection(NULL, BitmapInfo, DIB_RGB_COLORS, NULL, NULL, 0);
DC2 = CreateCompatibleDC(NULL);
SelectObject(DC2, DIB2);
free(BitmapInfo);
/* Now paint on the first bitmap */
for (row = 0; row < 4; row++)
{
for (col = 0; col < 4; col++)
{
Brush = CreateSolidBrush(RGB(Colors[4 * row + col].rgbRed,
Colors[4 * row + col].rgbGreen,
Colors[4 * row + col].rgbBlue));
Rect.left = CELL_SIZE * col + 5;
Rect.top = CELL_SIZE * row + 5;
Rect.right = Rect.left + CELL_SIZE;
Rect.bottom = Rect.top + CELL_SIZE;
FillRect(DC1, &Rect, Brush);
DeleteObject(Brush);
}
}
/* Copy the first bitmap to the second */
BitBlt(DC2, 4, 4, 4 * CELL_SIZE, 4 * CELL_SIZE, DC1, 5, 5, SRCCOPY);
/* Show results on screen */
BitBlt(WindowDC, XDest, YDest, 4 * CELL_SIZE, 4 * CELL_SIZE, DC2, 4, 4, SRCCOPY);
}
LRESULT CALLBACK MainWndProc(HWND Wnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
PAINTSTRUCT ps;
HDC WindowDC;
switch(msg)
{
case WM_PAINT:
WindowDC = BeginPaint(Wnd, &ps);
PaintCells(WindowDC, 4, 4, 0, 0);
PaintCells(WindowDC, 4, 8, 5 * CELL_SIZE, 0);
PaintCells(WindowDC, 4, 16, 10 * CELL_SIZE, 0);
PaintCells(WindowDC, 4, 24, 15 * CELL_SIZE, 0);
PaintCells(WindowDC, 4, 32, 20 * CELL_SIZE, 0);
PaintCells(WindowDC, 8, 4, 0, 5 * CELL_SIZE);
PaintCells(WindowDC, 8, 8, 5 * CELL_SIZE, 5 * CELL_SIZE);
PaintCells(WindowDC, 8, 16, 10 * CELL_SIZE, 5 * CELL_SIZE);
PaintCells(WindowDC, 8, 24, 15 * CELL_SIZE, 5 * CELL_SIZE);
PaintCells(WindowDC, 8, 32, 20 * CELL_SIZE, 5 * CELL_SIZE);
PaintCells(WindowDC, 16, 4, 0, 10 * CELL_SIZE);
PaintCells(WindowDC, 16, 8, 5 * CELL_SIZE, 10 * CELL_SIZE);
PaintCells(WindowDC, 16, 16, 10 * CELL_SIZE, 10 * CELL_SIZE);
PaintCells(WindowDC, 16, 24, 15 * CELL_SIZE, 10 * CELL_SIZE);
PaintCells(WindowDC, 16, 32, 20 * CELL_SIZE, 10 * CELL_SIZE);
PaintCells(WindowDC, 24, 4, 0, 15 * CELL_SIZE);
PaintCells(WindowDC, 24, 8, 5 * CELL_SIZE, 15 * CELL_SIZE);
PaintCells(WindowDC, 24, 16, 10 * CELL_SIZE, 15 * CELL_SIZE);
PaintCells(WindowDC, 24, 24, 15 * CELL_SIZE, 15 * CELL_SIZE);
PaintCells(WindowDC, 24, 32, 20 * CELL_SIZE, 15 * CELL_SIZE);
PaintCells(WindowDC, 32, 4, 0, 20 * CELL_SIZE);
PaintCells(WindowDC, 32, 8, 5 * CELL_SIZE, 20 * CELL_SIZE);
PaintCells(WindowDC, 32, 16, 10 * CELL_SIZE, 20 * CELL_SIZE);
PaintCells(WindowDC, 32, 24, 15 * CELL_SIZE, 20 * CELL_SIZE);
PaintCells(WindowDC, 32, 32, 20 * CELL_SIZE, 20 * CELL_SIZE);
EndPaint(Wnd, &ps);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(Wnd, msg, wParam, lParam);
}
return 0;
}