File size: 1,449 Bytes
cd295bd | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | #include <windows.h>
#include <math.h>
typedef union COLOR {
COLORREF rgb;
struct {
BYTE blue;
BYTE green;
BYTE red;
};
} COLOR;
double intensity = 0.0;
bool state = false;
double fade(double maxIntensity) {
if (state == false) {
intensity += 1.0;
if (intensity >= maxIntensity) {
state = true;
}
}
else {
intensity -= 1.0;
if (intensity <= 0) {
state = false;
}
}
return intensity;
}
DWORD WINAPI shader3b(LPVOID lpParam) {
int x = GetSystemMetrics(SM_CXSCREEN);
int y = GetSystemMetrics(SM_CYSCREEN);
int r = 0;
COLOR* data = (COLOR*)VirtualAlloc(0, (x * y + x) * sizeof(COLOR), MEM_COMMIT, PAGE_READWRITE);
HDC hdc = GetDC(0);
HDC mdc = CreateCompatibleDC(hdc);
HBITMAP bmp = CreateBitmap(x, y, 1, 32, data);
SelectObject(mdc, bmp);
while (true) {
BitBlt(mdc, 0, 0, x, y, hdc, 0, 0, SRCCOPY);
GetBitmapBits(bmp, x * y * sizeof(COLOR), data);
for (int i = 0; i < x * y; i++) {
((BYTE*)(data + i))[1 % 2] = ((BYTE*)(data + i))[r & 2];
}
SetBitmapBits(bmp, x * y * sizeof(COLOR), data);
BitBlt(hdc, 0, 0, x, y, mdc, 0, 0, SRCCOPY);
Sleep(10);
r = fade(3);
}
}
int main() {
CreateThread(0, 0, shader3b, 0, 0, 0);
Sleep(-1);
} |