reactos/rostests/dibtests/vbltest/vbltest.c

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/*
* Tests various blit and blend operations with different src
* bit depths and scaling where possbile.
*
* Created by Gregor Schneider <grschneider AT gmail DOT com>, November 2008
*/
#include <windows.h>
#include <tchar.h>
BOOL WINAPI GdiAlphaBlend(
HDC hdcDst, int xDst, int yDst, int wDst, int hDst,
HDC hdcSrc, int xSrc, int ySrc, int wSrc, int hSrc,
BLENDFUNCTION blendFunction);
BOOL WINAPI GdiTransparentBlt(
HDC hdcDst, int xDst, int yDst, int wDst, int hDst,
HDC hdcSrc, int xSrc, int ySrc, int wSrc, int hSrc,
UINT crTransparent);
#define CURRENT_BMPS 4
#define CURRENT_ICONS 1
#define SCALE 1.5
#define OFFSET 5
HINSTANCE hInst;
TCHAR szWindowClass[] = _T("testclass");
static LRESULT CALLBACK
WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
static HBITMAP hbmList[CURRENT_BMPS];
static HICON hicList[CURRENT_ICONS];
switch (message)
{
case WM_CREATE:
{
hbmList[0] = (HBITMAP)LoadImage(hInst, MAKEINTRESOURCE(100), IMAGE_BITMAP, 0, 0, LR_DEFAULTCOLOR);
hbmList[1] = (HBITMAP)LoadImage(hInst, MAKEINTRESOURCE(400), IMAGE_BITMAP, 0, 0, LR_DEFAULTCOLOR);
hbmList[2] = (HBITMAP)LoadImage(hInst, MAKEINTRESOURCE(800), IMAGE_BITMAP, 0, 0, LR_DEFAULTCOLOR);
hbmList[3] = (HBITMAP)LoadImage(hInst, MAKEINTRESOURCE(2400), IMAGE_BITMAP, 0, 0, LR_DEFAULTCOLOR);
hicList[0] = (HICON)LoadIcon(hInst, MAKEINTRESOURCE(3200));
break;
}
case WM_PAINT:
{
PAINTSTRUCT ps;
HDC hdc, hdcMem;
BITMAP bitmap;
BLENDFUNCTION bfunc;
int x = 0, y = 0, i;
hdc = BeginPaint(hWnd, &ps);
hdcMem = CreateCompatibleDC(hdc);
bfunc.AlphaFormat = AC_SRC_ALPHA;
bfunc.BlendFlags = 0;
bfunc.BlendOp = AC_SRC_OVER;
bfunc.SourceConstantAlpha = 128;
/* bitmaps */
for(i = 0; i < CURRENT_BMPS; i++)
{
y = 0;
SelectObject(hdcMem, hbmList[i]);
GetObject(hbmList[i], sizeof(BITMAP), &bitmap);
/* bit blt */
BitBlt(hdc, x, y, bitmap.bmWidth, bitmap.bmHeight, hdcMem, 0, 0, SRCCOPY);
y += bitmap.bmHeight + OFFSET;
/* stretch blt, org size */
StretchBlt(hdc, x, y, bitmap.bmWidth, bitmap.bmHeight, hdcMem, 0, 0, bitmap.bmWidth, bitmap.bmHeight, SRCCOPY);
y += bitmap.bmHeight + OFFSET;
/* stretch blt, scaled */
StretchBlt(hdc, x, y, bitmap.bmWidth*SCALE, bitmap.bmHeight*SCALE, hdcMem, 0, 0, bitmap.bmWidth, bitmap.bmHeight, SRCCOPY);
y += bitmap.bmHeight*SCALE + OFFSET;
/* transparent blt, transparency: grey */
GdiTransparentBlt(hdc, x, y, bitmap.bmWidth, bitmap.bmHeight, hdcMem, 0, 0, bitmap.bmWidth, bitmap.bmHeight, 128*256*256+128*256+128);
y += bitmap.bmHeight + OFFSET;
/* transparent blt, transparency: grey, scaled */
GdiTransparentBlt(hdc, x, y, bitmap.bmWidth*SCALE, bitmap.bmHeight*SCALE, hdcMem, 0, 0, bitmap.bmWidth, bitmap.bmHeight, 128*256*256+128*256+128);
y += bitmap.bmHeight*SCALE + OFFSET;
/* alpha blend, org size */
GdiAlphaBlend(hdc, x, y, bitmap.bmWidth, bitmap.bmHeight, hdcMem, 0, 0, bitmap.bmWidth, bitmap.bmHeight, bfunc);
y += bitmap.bmHeight + OFFSET;
/* alpha blend, scaled */
GdiAlphaBlend(hdc, x, y, bitmap.bmWidth*SCALE, bitmap.bmHeight*SCALE, hdcMem, 0, 0, bitmap.bmWidth, bitmap.bmHeight, bfunc);
y += bitmap.bmHeight*SCALE + OFFSET;
x += bitmap.bmWidth*SCALE + OFFSET;
}
/* icons */
for(i = 0; i < CURRENT_ICONS; i++)
{
y = 0;
/* pure icon */
DrawIcon(hdc, x, y, hicList[i]);
y += bitmap.bmHeight + OFFSET;
/* normal icon using Ex */
DrawIconEx(hdc, x, y, hicList[i], 0, 0, 0, NULL, DI_NORMAL);
y += bitmap.bmHeight + OFFSET;
/* normal icon using Ex with bigger size */
DrawIconEx(hdc, x, y, hicList[i], bitmap.bmWidth, bitmap.bmHeight, 0, NULL, DI_NORMAL);
y += bitmap.bmHeight + OFFSET;
/* only icon using Ex */
DrawIconEx(hdc, x, y, hicList[i], 0, 0, 0, NULL, DI_IMAGE);
y += bitmap.bmHeight + OFFSET;
/* mask using Ex */
DrawIconEx(hdc, x, y, hicList[i], 0, 0, 0, NULL, DI_MASK);
y += bitmap.bmHeight + OFFSET;
x += bitmap.bmWidth*SCALE + OFFSET;
}
DeleteDC(hdcMem);
EndPaint(hWnd, &ps);
break;
}
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
static ATOM
MyRegisterClass(HINSTANCE hInstance)
{
WNDCLASSEX wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = WndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = NULL;
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszMenuName = NULL;
wcex.lpszClassName = szWindowClass;
wcex.hIconSm = NULL;
return RegisterClassEx(&wcex);
}
static BOOL
InitInstance(HINSTANCE hInstance, int nCmdShow)
{
HWND hWnd;
hInst = hInstance;
hWnd = CreateWindowEx(0,
szWindowClass,
_T("Various blit and blend operations"),
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT,
CW_USEDEFAULT,
640,
640,
NULL,
NULL,
hInstance,
NULL);
if (!hWnd)
{
return FALSE;
}
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);
return TRUE;
}
int WINAPI
_tWinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPTSTR lpCmdLine,
int nCmdShow)
{
MSG msg;
MyRegisterClass(hInstance);
if (!InitInstance(hInstance, nCmdShow))
{
return FALSE;
}
while (GetMessage(&msg, NULL, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return (int)msg.wParam;
}