[CARDS]: "Localize" some variables.
[reactos.git] / reactos / dll / win32 / cards / cards.c
1 /*
2 * ReactOS Cards
3 *
4 * Copyright (C) 2003 Filip Navara <xnavara@volny.org>
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 #include <stdarg.h>
22 #include <windef.h>
23 #include <wingdi.h>
24 #include <winuser.h>
25
26 #include "cards.h"
27
28 HBITMAP g_CardBitmaps[MAX_CARD_BITMAPS];
29 HINSTANCE g_hModule = 0;
30
31 /*
32 * Redundant function from 16-bit Windows time
33 */
34 BOOL WINAPI WEP(DWORD Unknown)
35 {
36 UNREFERENCED_PARAMETER(Unknown);
37 return TRUE;
38 }
39
40 /*
41 * Initialize card library and return cards width and height
42 */
43 BOOL WINAPI cdtInit(INT *Width, INT *Height)
44 {
45 DWORD dwIndex;
46
47 /* Report card width and height to user */
48 *Width = CARD_WIDTH;
49 *Height = CARD_HEIGHT;
50
51 /* Load images */
52 for (dwIndex = 0; dwIndex < MAX_CARD_BITMAPS; ++dwIndex)
53 g_CardBitmaps[dwIndex] =
54 (HBITMAP)LoadBitmapA(g_hModule, MAKEINTRESOURCEA(dwIndex + 1));
55
56 return TRUE;
57 }
58
59 /*
60 * Terminate card library
61 */
62 VOID WINAPI cdtTerm(VOID)
63 {
64 DWORD dwIndex;
65
66 /* Unload images */
67 for (dwIndex = 0; dwIndex < MAX_CARD_BITMAPS; dwIndex++)
68 DeleteObject(g_CardBitmaps[dwIndex]);
69 }
70
71 /*
72 * Render card with no stretching
73 */
74 BOOL WINAPI cdtDraw(HDC hdc, INT x, INT y, INT card, INT type, COLORREF color)
75 {
76 return cdtDrawExt(hdc, x, y, CARD_WIDTH, CARD_HEIGHT, card, type, color);
77 }
78
79 /*
80 * internal
81 */
82 static __inline VOID BltCard(HDC hdc, INT x, INT y, INT dx, INT dy, HDC hdcCard, DWORD dwRasterOp, BOOL bStretch)
83 {
84 if (bStretch)
85 {
86 StretchBlt(hdc, x, y, dx, dy, hdcCard, 0, 0, CARD_WIDTH, CARD_HEIGHT, dwRasterOp);
87 }
88 else
89 {
90 BitBlt(hdc, x, y, dx, dy, hdcCard, 0, 0, dwRasterOp);
91 /*
92 * This is need when using Microsoft images, because they use two-color red/white images for
93 * red cards and thus needs fix-up of the edge to black color.
94 */
95 #if 0
96 if (ISREDCARD(card))
97 {
98 PatBlt(hdc, x, y + 2, 1, dy - 4, BLACKNESS);
99 PatBlt(hdc, x + dx - 1, y + 2, 1, dy - 4, BLACKNESS);
100 PatBlt(hdc, x + 2, y, dx - 4, 1, BLACKNESS);
101 PatBlt(hdc, x + 2, y + dy - 1, dx - 4, 1, BLACKNESS);
102 SetPixel(hdc, x + 1, y + 1, 0);
103 SetPixel(hdc, x + dx - 2, y + 1, 0);
104 SetPixel(hdc, x + 1, y + dy - 2, 0);
105 SetPixel(hdc, x + dx - 2, y + dy - 2, 0);
106 }
107 #endif
108 }
109 }
110
111 /*
112 * Render card
113 *
114 * Parameters:
115 * hdc - Handle of destination device context
116 * x - Position left
117 * y - Position right
118 * dx - Destination width
119 * dy - Destination height
120 * card - Image id (meaning depend on type)
121 * type - One of edt* constants
122 * color - Background color (?)
123 */
124 BOOL WINAPI cdtDrawExt(HDC hdc, INT x, INT y, INT dx, INT dy, INT card, INT type, COLORREF color)
125 {
126 DWORD dwRasterOp = SRCCOPY;
127 BOOL bSaveEdges = TRUE;
128 BOOL bStretch = FALSE;
129
130 if (type & ectSAVEEDGESMASK)
131 {
132 type &= ~ectSAVEEDGESMASK;
133 bSaveEdges = FALSE;
134 }
135
136 if (dx != CARD_WIDTH || dy != CARD_HEIGHT)
137 {
138 bStretch = TRUE;
139 bSaveEdges = FALSE;
140 }
141
142 switch (type)
143 {
144 case ectINVERTED:
145 dwRasterOp = NOTSRCCOPY;
146 case ectFACES:
147 card = (card % 4) * 13 + (card / 4);
148 break;
149 case ectBACKS:
150 --card;
151 break;
152 case ectEMPTYNOBG:
153 dwRasterOp = SRCAND;
154 case ectEMPTY:
155 card = 52;
156 break;
157 case ectERASE:
158 break;
159 case ectREDX:
160 card = 66;
161 break;
162 case ectGREENO:
163 card = 67;
164 break;
165 default:
166 return FALSE;
167 }
168
169 if (type == ectEMPTY || type == ectERASE)
170 {
171 POINT pPoint;
172 HBRUSH hBrush;
173
174 hBrush = CreateSolidBrush(color);
175 GetDCOrgEx(hdc, &pPoint);
176 SetBrushOrgEx(hdc, pPoint.x, pPoint.y, 0);
177 SelectObject(hdc, hBrush);
178 PatBlt(hdc, x, y, dx, dy, PATCOPY);
179 }
180 if (type != ectERASE)
181 {
182 HDC hdcCard;
183 COLORREF OldBkColor;
184
185 hdcCard = CreateCompatibleDC(hdc);
186 SelectObject(hdcCard, g_CardBitmaps[card]);
187 OldBkColor = SetBkColor(hdc, (type == ectFACES) ? 0xFFFFFF : color);
188 if (bSaveEdges)
189 {
190 COLORREF SavedPixels[12];
191 SavedPixels[0] = GetPixel(hdc, x, y);
192 SavedPixels[1] = GetPixel(hdc, x + 1, y);
193 SavedPixels[2] = GetPixel(hdc, x, y + 1);
194 SavedPixels[3] = GetPixel(hdc, x + dx - 1, y);
195 SavedPixels[4] = GetPixel(hdc, x + dx - 2, y);
196 SavedPixels[5] = GetPixel(hdc, x + dx - 1, y + 1);
197 SavedPixels[6] = GetPixel(hdc, x, y + dy - 1);
198 SavedPixels[7] = GetPixel(hdc, x + 1, y + dy - 1);
199 SavedPixels[8] = GetPixel(hdc, x, y + dy - 2);
200 SavedPixels[9] = GetPixel(hdc, x + dx - 1, y + dy - 1);
201 SavedPixels[10] = GetPixel(hdc, x + dx - 2, y + dy - 1);
202 SavedPixels[11] = GetPixel(hdc, x + dx - 1, y + dy - 2);
203
204 BltCard(hdc, x, y, dx, dy, hdcCard, dwRasterOp, bStretch);
205
206 SetPixel(hdc, x, y, SavedPixels[0]);
207 SetPixel(hdc, x + 1, y, SavedPixels[1]);
208 SetPixel(hdc, x, y + 1, SavedPixels[2]);
209 SetPixel(hdc, x + dx - 1, y, SavedPixels[3]);
210 SetPixel(hdc, x + dx - 2, y, SavedPixels[4]);
211 SetPixel(hdc, x + dx - 1, y + 1, SavedPixels[5]);
212 SetPixel(hdc, x, y + dy - 1, SavedPixels[6]);
213 SetPixel(hdc, x + 1, y + dy - 1, SavedPixels[7]);
214 SetPixel(hdc, x, y + dy - 2, SavedPixels[8]);
215 SetPixel(hdc, x + dx - 1, y + dy - 1, SavedPixels[9]);
216 SetPixel(hdc, x + dx - 2, y + dy - 1, SavedPixels[10]);
217 SetPixel(hdc, x + dx - 1, y + dy - 2, SavedPixels[11]);
218 }
219 else
220 {
221 BltCard(hdc, x, y, dx, dy, hdcCard, dwRasterOp, bStretch);
222 }
223 SetBkColor(hdc, OldBkColor);
224 DeleteDC(hdcCard);
225 }
226
227 return TRUE;
228 }
229
230
231 /***********************************************************************
232 * cdtAnimate (CARDS.@)
233 *
234 * Animate card background, we don't use it
235 */
236 BOOL WINAPI cdtAnimate(HDC hdc, int cardback, int x, int y, int frame)
237 {
238 UNREFERENCED_PARAMETER(frame);
239 UNREFERENCED_PARAMETER(y);
240 UNREFERENCED_PARAMETER(x);
241 UNREFERENCED_PARAMETER(cardback);
242 UNREFERENCED_PARAMETER(hdc);
243 return TRUE;
244 }
245
246 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
247 {
248 UNREFERENCED_PARAMETER(lpvReserved);
249
250 if (fdwReason == DLL_PROCESS_ATTACH)
251 g_hModule = hinstDLL;
252
253 return TRUE;
254 }