Fixed error handling in DGA_IDirectDraw2Impl_GetCaps().
[wine] / graphics / wing.c
1 /*
2  * WinG support
3  *
4  * Started by Robert Pouliot <krynos@clic.net>
5  */
6
7 #include "config.h"
8
9 #ifndef X_DISPLAY_MISSING
10 #include "x11drv.h"
11 #endif /* !defined(X_DISPLAY_MISSING) */
12
13 #include "wine/winuser16.h"
14 #include "bitmap.h"
15 #include "debug.h"
16 #include "ldt.h"
17 #include "monitor.h"
18 #include "palette.h"
19 #include "windef.h"
20 #include "wine/winuser16.h"
21
22 DEFAULT_DEBUG_CHANNEL(wing)
23
24
25 typedef enum WING_DITHER_TYPE
26 {
27   WING_DISPERSED_4x4, WING_DISPERSED_8x8, WING_CLUSTERED_4x4
28 } WING_DITHER_TYPE;
29
30 /* 
31  * WinG DIB bitmaps can be selected into DC and then scribbled upon
32  * by GDI functions. They can also be changed directly. This gives us 
33  * three choices 
34  *      - use original WinG 16-bit DLL
35  *              requires working 16-bit driver interface
36  *      - implement DIB graphics driver from scratch
37  *              see wing.zip size
38  *      - use shared pixmaps
39  *              won't work with some videocards and/or videomodes
40  * 961208 - AK
41  */
42
43 /***********************************************************************
44  *          WinGCreateDC16      (WING.1001)
45  */
46 HDC16 WINAPI WinGCreateDC16(void)
47 {
48     TRACE(wing, "(void)\n");
49         return CreateCompatibleDC16(0);
50 }
51
52 /***********************************************************************
53  *  WinGRecommendDIBFormat16    (WING.1002)
54  */
55 BOOL16 WINAPI WinGRecommendDIBFormat16(BITMAPINFO *bmpi)
56 {
57     TRACE(wing, "(%p)\n", bmpi);
58     if (!bmpi)
59         return FALSE;
60
61     bmpi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
62     bmpi->bmiHeader.biWidth = 320;
63     bmpi->bmiHeader.biHeight = -1;
64     bmpi->bmiHeader.biPlanes = 1;
65     bmpi->bmiHeader.biBitCount = MONITOR_GetDepth(&MONITOR_PrimaryMonitor);
66     bmpi->bmiHeader.biCompression = BI_RGB;
67     bmpi->bmiHeader.biSizeImage = 0;
68     bmpi->bmiHeader.biXPelsPerMeter = 0;
69     bmpi->bmiHeader.biYPelsPerMeter = 0;
70     bmpi->bmiHeader.biClrUsed = 0;
71     bmpi->bmiHeader.biClrImportant = 0;
72
73     return TRUE;
74   }
75
76 /***********************************************************************
77  *        WinGCreateBitmap16    (WING.1003)
78  */
79 HBITMAP16 WINAPI WinGCreateBitmap16(HDC16 hdc, BITMAPINFO *bmpi,
80                                     SEGPTR *bits)
81 {
82     TRACE(wing, "(%d,%p,%p)\n", hdc, bmpi, bits);
83     TRACE(wing, ": create %ldx%ldx%d bitmap\n", bmpi->bmiHeader.biWidth,
84           bmpi->bmiHeader.biHeight, bmpi->bmiHeader.biPlanes);
85     return CreateDIBSection16(hdc, bmpi, 0, bits, 0, 0);
86                 } 
87
88 /***********************************************************************
89  *  WinGGetDIBPointer   (WING.1004)
90  */
91 SEGPTR WINAPI WinGGetDIBPointer16(HBITMAP16 hWinGBitmap, BITMAPINFO* bmpi)
92 {
93   BITMAPOBJ*    bmp = (BITMAPOBJ *) GDI_GetObjPtr( hWinGBitmap, BITMAP_MAGIC );
94
95     TRACE(wing, "(%d,%p)\n", hWinGBitmap, bmpi);
96     if (!bmp) return (SEGPTR)NULL;
97
98     if (bmpi)
99         FIXME(wing, ": Todo - implement setting BITMAPINFO\n");
100
101 #ifndef X_DISPLAY_MISSING
102     return PTR_SEG_OFF_TO_SEGPTR(((X11DRV_DIBSECTION *) bmp->dib)->selector, 0);
103 #else /* !defined(X_DISPLAY_MISSING) */
104     return NULL;
105 #endif /* !defined(X_DISPLAY_MISSING) */
106 }
107
108 /***********************************************************************
109  *  WinGSetDIBColorTable   (WING.1004)
110  */
111 UINT16 WINAPI WinGSetDIBColorTable16(HDC16 hdc, UINT16 start, UINT16 num,
112                                      RGBQUAD *colors)
113 {
114     TRACE(wing, "(%d,%d,%d,%p)\n", hdc, start, num, colors);
115     return SetDIBColorTable16(hdc, start, num, colors);
116 }
117
118 /***********************************************************************
119  *  WinGGetDIBColorTable16   (WING.1005)
120  */
121 UINT16 WINAPI WinGGetDIBColorTable16(HDC16 hdc, UINT16 start, UINT16 num,
122                                      RGBQUAD *colors)
123 {
124     TRACE(wing, "(%d,%d,%d,%p)\n", hdc, start, num, colors);
125     return GetDIBColorTable16(hdc, start, num, colors);
126 }
127
128 /***********************************************************************
129  *  WinGCreateHalfTonePalette16   (WING.1007)
130  */
131 HPALETTE16 WINAPI WinGCreateHalfTonePalette16(void)
132 {
133     TRACE(wing, "(void)\n");
134     return CreateHalftonePalette16(GetDC16(0));
135 }
136
137 /***********************************************************************
138  *  WinGCreateHalfToneBrush16   (WING.1008)
139  */
140 HBRUSH16 WINAPI WinGCreateHalfToneBrush16(HDC16 winDC, COLORREF col,
141                                             WING_DITHER_TYPE type)
142 {
143     TRACE(wing, "(%d,%ld,%d)\n", winDC, col, type);
144     return CreateSolidBrush16(col);
145 }
146
147 /***********************************************************************
148  *  WinGStretchBlt16   (WING.1009)
149  */
150 BOOL16 WINAPI WinGStretchBlt16(HDC16 destDC, INT16 xDest, INT16 yDest,
151                                INT16 widDest, INT16 heiDest,
152                                HDC16 srcDC, INT16 xSrc, INT16 ySrc,
153                                INT16 widSrc, INT16 heiSrc)
154 {
155     TRACE(wing, "(%d,%d,...)\n", destDC, srcDC);
156     return StretchBlt16(destDC, xDest, yDest, widDest, heiDest, srcDC,
157                         xSrc, ySrc, widSrc, heiSrc, SRCCOPY);
158 }
159
160 /***********************************************************************
161  *  WinGBitBlt16   (WING.1010)
162  */
163 BOOL16 WINAPI WinGBitBlt16(HDC16 destDC, INT16 xDest, INT16 yDest,
164                            INT16 widDest, INT16 heiDest, HDC16 srcDC,
165                            INT16 xSrc, INT16 ySrc)
166 {
167     TRACE(wing, "(%d,%d,...)\n", destDC, srcDC);
168     return BitBlt16(destDC, xDest, yDest, widDest, heiDest, srcDC,
169                     xSrc, ySrc, SRCCOPY);
170 }