aboutsummaryrefslogtreecommitdiff
path: root/redist/CNFGWinDriver.c
blob: 3bbf50982082d5995a5b22e174c3a9bbfef910fa (plain)
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
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
//Copyright (c) 2011 <>< Charles Lohr - Under the MIT/x11 or NewBSD License you choose.
//Portion from: http://en.wikibooks.org/wiki/Windows_Programming/Window_Creation


#include "CNFGFunctions.h"
#include <windows.h>
#include <stdlib.h>
#include <malloc.h> //for alloca

static HBITMAP lsBitmap;
static HINSTANCE lhInstance;
static HWND lsHWND;
static HDC lsWindowHDC;
static HDC lsHDC;

#ifdef RASTERIZER
#include "CNFGRasterizer.h"

void InternalHandleResize()
{
	if( lsBitmap ) DeleteObject( lsBitmap );

	CNFGInternalResize( bufferx, buffery );
	lsBitmap = CreateBitmap( bufferx, buffery, 1, 32, buffer );
	SelectObject( lsHDC, lsBitmap );
}
#else
static int bufferx, buffery;
static int bufferx, buffery;
static void InternalHandleResize();
#endif


#ifdef CNFGOGL
#include <GL/gl.h>
static HGLRC           hRC=NULL; 
static void InternalHandleResize() { }
void CNFGSwapBuffers()
{
	SwapBuffers(lsWindowHDC);
}
#endif

void CNFGGetDimensions( short * x, short * y )
{
	static int lastx, lasty;
	RECT window;
	GetClientRect( lsHWND, &window );
	bufferx = ( window.right - window.left);
	buffery = ( window.bottom - window.top);
	if( bufferx != lastx || buffery != lasty )
	{
		lastx = bufferx;
		lasty = buffery;
		InternalHandleResize();
	}
	*x = (short)bufferx;
	*y = (short)buffery;
}


void CNFGUpdateScreenWithBitmap( unsigned long * data, int w, int h )
{
	RECT r;

	int a = SetBitmapBits(lsBitmap,w*h*4,data);
	a = BitBlt(lsWindowHDC, 0, 0, w, h, lsHDC, 0, 0, SRCCOPY);
	UpdateWindow( lsHWND );

	int thisw, thish;

	//Check to see if the window is closed.
	if( !IsWindow( lsHWND ) )
	{
		exit( 0 );
	}

	GetClientRect( lsHWND, &r );
	thisw = r.right - r.left;
	thish = r.bottom - r.top;
	if( thisw != bufferx || thish != buffery )
	{
		bufferx = thisw;
		buffery = thish;
		InternalHandleResize();
	}
}


void CNFGTearDown()
{
	PostQuitMessage(0);
}

//This was from the article
LRESULT CALLBACK MyWndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	switch(msg)
	{
	case WM_DESTROY:
		HandleDestroy();
		CNFGTearDown();
		return 0;
	}
	return DefWindowProc(hwnd, msg, wParam, lParam);
}

//This was from the article, too... well, mostly.
int CNFGSetup( const char * name_of_window, int width, int height )
{
	static LPSTR szClassName = "MyClass";
	RECT client, window;
	WNDCLASS wnd;
	int w, h, wd, hd;
	HINSTANCE hInstance = GetModuleHandle(NULL);

	bufferx = width;
	buffery = height;

	wnd.style = CS_HREDRAW | CS_VREDRAW; //we will explain this later
	wnd.lpfnWndProc = MyWndProc;
	wnd.cbClsExtra = 0;
	wnd.cbWndExtra = 0;
	wnd.hInstance = hInstance;
	wnd.hIcon = LoadIcon(NULL, IDI_APPLICATION); //default icon
	wnd.hCursor = LoadCursor(NULL, IDC_ARROW);   //default arrow mouse cursor
	wnd.hbrBackground = (HBRUSH)(COLOR_BACKGROUND);
	wnd.lpszMenuName = NULL;                     //no menu
	wnd.lpszClassName = szClassName;

	if(!RegisterClass(&wnd))                     //register the WNDCLASS
	{
		MessageBox(NULL, "This Program Requires Windows NT", "Error", MB_OK);
	}

	lsHWND = CreateWindow(szClassName,
		name_of_window,      //name_of_window,
		WS_OVERLAPPEDWINDOW, //basic window style
		CW_USEDEFAULT,
		CW_USEDEFAULT,       //set starting point to default value
		bufferx,
		buffery,        //set all the dimensions to default value
		NULL,                //no parent window
		NULL,                //no menu
		hInstance,
		NULL);               //no parameters to pass

	lsWindowHDC = GetDC( lsHWND );

#ifdef CNFGOGL
	//From NeHe
	static  PIXELFORMATDESCRIPTOR pfd =
	{
		sizeof(PIXELFORMATDESCRIPTOR),
		1,
		PFD_DRAW_TO_WINDOW |
		PFD_SUPPORT_OPENGL |
		PFD_DOUBLEBUFFER,
		PFD_TYPE_RGBA,
		32,
		0, 0, 0, 0, 0, 0, 
		0,
		0,
		0,
		0, 0, 0, 0,
		16,
		0,
		0,
		PFD_MAIN_PLANE,
		0,
		0, 0, 0
	};
	GLuint      PixelFormat = ChoosePixelFormat( lsWindowHDC, &pfd );
	if( !SetPixelFormat( lsWindowHDC, PixelFormat, &pfd ) )
	{
		MessageBox( 0, "Could not create PFD for OpenGL Context\n", 0, 0 );
		exit( -1 );
	}
	if (!(hRC=wglCreateContext(lsWindowHDC)))                   // Are We Able To Get A Rendering Context?
	{
		MessageBox( 0, "Could not create OpenGL Context\n", 0, 0 );
		exit( -1 );
	}
	if(!wglMakeCurrent(lsWindowHDC,hRC))                        // Try To Activate The Rendering Context
	{
		MessageBox( 0, "Could not current OpenGL Context\n", 0, 0 );
		exit( -1 );
	}
#endif

	lsHDC = CreateCompatibleDC( lsWindowHDC );
	lsBitmap = CreateCompatibleBitmap( lsWindowHDC, bufferx, buffery );
	SelectObject( lsHDC, lsBitmap );

	//lsClearBrush = CreateSolidBrush( CNFGBGColor );
	//lsHBR = CreateSolidBrush( 0xFFFFFF );
	//lsHPEN = CreatePen( PS_SOLID, 0, 0xFFFFFF );

	ShowWindow(lsHWND, 1);              //display the window on the screen

	//Once set up... we have to change the window's borders so we get the client size right.
	GetClientRect( lsHWND, &client );
	GetWindowRect( lsHWND, &window );
	w = ( window.right - window.left);
	h = ( window.bottom - window.top);
	wd = w - client.right;
	hd = h - client.bottom;
	MoveWindow( lsHWND, window.left, window.top, bufferx + wd, buffery + hd, 1 );

	InternalHandleResize();
	return 0;
}

void CNFGHandleInput()
{
	int ldown = 0;

	MSG msg;
	while( PeekMessage( &msg, lsHWND, 0, 0xFFFF, 1 ) )
	{
		TranslateMessage(&msg);

		switch( msg.message )
		{
		case WM_MOUSEMOVE:
			HandleMotion( (msg.lParam & 0xFFFF), (msg.lParam>>16) & 0xFFFF, ( (msg.wParam & 0x01)?1:0) | ((msg.wParam & 0x02)?2:0) | ((msg.wParam & 0x10)?4:0) );
			break;
		case WM_LBUTTONDOWN:	HandleButton( (msg.lParam & 0xFFFF), (msg.lParam>>16) & 0xFFFF, 1, 1 ); break;
		case WM_RBUTTONDOWN:	HandleButton( (msg.lParam & 0xFFFF), (msg.lParam>>16) & 0xFFFF, 2, 1 ); break;
		case WM_MBUTTONDOWN:	HandleButton( (msg.lParam & 0xFFFF), (msg.lParam>>16) & 0xFFFF, 3, 1 ); break;
		case WM_LBUTTONUP:		HandleButton( (msg.lParam & 0xFFFF), (msg.lParam>>16) & 0xFFFF, 1, 0 ); break;
		case WM_RBUTTONUP:		HandleButton( (msg.lParam & 0xFFFF), (msg.lParam>>16) & 0xFFFF, 2, 0 ); break;
		case WM_MBUTTONUP:		HandleButton( (msg.lParam & 0xFFFF), (msg.lParam>>16) & 0xFFFF, 3, 0 ); break;
		case WM_KEYDOWN:
		case WM_KEYUP:
			HandleKey( tolower( (int)(msg.wParam) ), (msg.message==WM_KEYDOWN) );
			break;
		default:
			DispatchMessage(&msg);
			break;
		}
	}
}

#ifndef CNFGOGL

#ifndef RASTERIZER

static HBITMAP lsBackBitmap;
static HDC lsWindowHDC;
static HBRUSH lsHBR;
static HPEN lsHPEN;
static HBRUSH lsClearBrush;

static void InternalHandleResize()
{
	DeleteObject( lsBackBitmap );
	lsBackBitmap = CreateCompatibleBitmap( lsHDC, bufferx, buffery );
	SelectObject( lsHDC, lsBackBitmap );
}

uint32_t CNFGColor( uint32_t RGB )
{
	CNFGLastColor = RGB;

	DeleteObject( lsHBR );
	lsHBR = CreateSolidBrush( RGB );
	SelectObject( lsHDC, lsHBR );

	DeleteObject( lsHPEN );
	lsHPEN = CreatePen( PS_SOLID, 0, RGB );
	SelectObject( lsHDC, lsHPEN );

	return RGB;
}

void CNFGTackSegment( short x1, short y1, short x2, short y2 )
{
	POINT pt[2] = { {x1, y1}, {x2, y2} };
	Polyline( lsHDC, pt, 2 );
	SetPixel( lsHDC, x1, y1, CNFGLastColor );
	SetPixel( lsHDC, x2, y2, CNFGLastColor );
}

void CNFGTackRectangle( short x1, short y1, short x2, short y2 )
{
	RECT r;
	if( x1 < x2 ) { r.left = x1; r.right = x2; }
	else          { r.left = x2; r.right = x1; }
	if( y1 < y2 ) { r.top = y1; r.bottom = y2; }
	else          { r.top = y2; r.bottom = y1; }
	FillRect( lsHDC, &r, lsHBR );
}

void CNFGClearFrame()
{
	RECT r = { 0, 0, bufferx, buffery };
	DeleteObject( lsClearBrush  );
	lsClearBrush = CreateSolidBrush( CNFGBGColor );
	SelectObject( lsHDC, lsClearBrush );
	FillRect( lsHDC, &r, lsClearBrush);
}

void CNFGTackPoly( RDPoint * points, int verts )
{
	int i;
	POINT * t = (POINT*)alloca( sizeof( POINT ) * verts );
	for( i = 0; i < verts; i++ )
	{
		t[i].x = points[i].x;
		t[i].y = points[i].y;
	}
	Polygon( lsHDC, t, verts );
}


void CNFGTackPixel( short x1, short y1 )
{
	SetPixel( lsHDC, x1, y1, CNFGLastColor );
}

void CNFGSwapBuffers()
{
	int thisw, thish;

	RECT r;
	BitBlt( lsWindowHDC, 0, 0, bufferx, buffery, lsHDC, 0, 0, SRCCOPY );
	UpdateWindow( lsHWND );
	//Check to see if the window is closed.
	if( !IsWindow( lsHWND ) )
	{
		exit( 0 );
	}

	GetClientRect( lsHWND, &r );
	thisw = r.right - r.left;
	thish = r.bottom - r.top;

	if( thisw != bufferx || thish != buffery )
	{
		bufferx = thisw;
		buffery = thish;
		InternalHandleResize();
	}
}

void CNFGInternalResize( short bufferx, short  buffery ) { }
#endif

#endif