Implemented Windows version

This commit is contained in:
Daniel Collin 2014-06-06 14:38:37 +02:00
parent 3d3e9e63bc
commit 48bc35865e

142
src/windows/WinMiniFB.c Normal file
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@ -0,0 +1,142 @@
#include <MiniFB.h>
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static WNDCLASS s_wc;
static HWND s_wnd;
static int s_close = 0;
static int s_width;
static int s_height;
static HDC s_hdc;
static void* s_buffer;
static BITMAPINFO s_bitmapInfo;
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
static LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int res = 0;
switch (message)
{
case WM_PAINT:
{
if (s_buffer)
{
StretchDIBits(s_hdc, 0, 0, s_width, s_height, 0, 0, s_width, s_height, s_buffer,
&s_bitmapInfo, DIB_RGB_COLORS, SRCCOPY);
ValidateRect(hWnd, NULL);
}
break;
}
case WM_KEYDOWN:
{
if ((wParam&0xFF) == 27)
s_close = 1;
break;
}
case WM_CLOSE:
{
s_close = 1;
break;
}
default:
{
res = DefWindowProc(hWnd, message, wParam, lParam);
}
}
return res;
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
int mfb_open(const char* title, int width, int height)
{
RECT rect = { 0 };
s_wc.style = CS_OWNDC | CS_VREDRAW | CS_HREDRAW;
s_wc.lpfnWndProc = WndProc;
s_wc.hCursor = LoadCursor(0, IDC_ARROW);
s_wc.lpszClassName = title;
RegisterClass(&s_wc);
rect.right = width;
rect.bottom = height;
AdjustWindowRect(&rect, WS_POPUP | WS_SYSMENU | WS_CAPTION, 0);
rect.right -= rect.left;
rect.bottom -= rect.top;
s_width = width;
s_height = height;
s_wnd = CreateWindowEx(0,
title, title,
WS_OVERLAPPEDWINDOW & ~WS_MAXIMIZEBOX & ~WS_THICKFRAME,
CW_USEDEFAULT, CW_USEDEFAULT,
rect.right, rect.bottom,
0, 0, 0, 0);
if (!s_wnd)
return 0;
ShowWindow(s_wnd, SW_NORMAL);
s_bitmapInfo.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
s_bitmapInfo.bmiHeader.biPlanes = 1;
s_bitmapInfo.bmiHeader.biBitCount = 32;
s_bitmapInfo.bmiHeader.biCompression = BI_BITFIELDS;
s_bitmapInfo.bmiHeader.biWidth = width;
s_bitmapInfo.bmiHeader.biHeight = -height;
s_bitmapInfo.bmiColors[0].rgbRed = 0xff;
s_bitmapInfo.bmiColors[1].rgbGreen = 0xff;
s_bitmapInfo.bmiColors[2].rgbBlue = 0xff;
s_hdc = GetDC(s_wnd);
return 1;
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
int mfb_update(void* buffer)
{
MSG msg;
s_buffer = buffer;
InvalidateRect(s_wnd, NULL, TRUE);
SendMessage(s_wnd, WM_PAINT, 0, 0);
while (PeekMessage(&msg, s_wnd, 0, 0, PM_REMOVE))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
if (s_close == 1)
return -1;
return 0;
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void mfb_close()
{
s_buffer = 0;
ReleaseDC(s_wnd, s_hdc);
DestroyWindow(s_wnd);
}