VirtualBox

source: vbox/trunk/src/VBox/Additions/WINNT/Graphics/Display/Mirror/screen.c@ 5952

Last change on this file since 5952 was 1207, checked in by vboxsync, 18 years ago

Cleaned up EOL style and uppercase names
  • Property svn:eol-style set to native
File size: 8.7 KB
Line 
1/******************************Module*Header*******************************\
2*
3* *******************
4* * GDI SAMPLE CODE *
5* *******************
6*
7* Module Name: screen.c
8*
9* Initializes the GDIINFO and DEVINFO structures for DrvEnablePDEV.
10*
11* Copyright (c) 1992-1998 Microsoft Corporation
12\**************************************************************************/
13
14#include "driver.h"
15
16#define SYSTM_LOGFONT {16,7,0,0,700,0,0,0,ANSI_CHARSET,OUT_DEFAULT_PRECIS,CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY,VARIABLE_PITCH | FF_DONTCARE,L"System"}
17#define HELVE_LOGFONT {12,9,0,0,400,0,0,0,ANSI_CHARSET,OUT_DEFAULT_PRECIS,CLIP_STROKE_PRECIS,PROOF_QUALITY,VARIABLE_PITCH | FF_DONTCARE,L"MS Sans Serif"}
18#define COURI_LOGFONT {12,9,0,0,400,0,0,0,ANSI_CHARSET,OUT_DEFAULT_PRECIS,CLIP_STROKE_PRECIS,PROOF_QUALITY,FIXED_PITCH | FF_DONTCARE, L"Courier"}
19
20// This is the basic devinfo for a default driver. This is used as a base and customized based
21// on information passed back from the miniport driver.
22
23const DEVINFO gDevInfoFrameBuffer = {
24 ( GCAPS_OPAQUERECT
25 | GCAPS_ASYNCMOVE
26 | GCAPS_LAYERED
27 ), /* Graphics capabilities */
28 SYSTM_LOGFONT, /* Default font description */
29 HELVE_LOGFONT, /* ANSI variable font description */
30 COURI_LOGFONT, /* ANSI fixed font description */
31 0, /* Count of device fonts */
32 0, /* Preferred DIB format */
33 8, /* Width of color dither */
34 8, /* Height of color dither */
35 0 /* Default palette to use for this device */
36};
37
38// This is default palette from Win 3.1
39
40#define NUMPALCOLORS 256
41#define NUMPALRESERVED 20
42
43ULONG palColors[NUMPALCOLORS][4] =
44{
45 { 0, 0, 0, 0 }, // 0
46 { 0x80,0, 0, 0 }, // 1
47 { 0, 0x80,0, 0 }, // 2
48 { 0x80,0x80,0, 0 }, // 3
49 { 0, 0, 0x80,0 }, // 4
50 { 0x80,0, 0x80,0 }, // 5
51 { 0, 0x80,0x80,0 }, // 6
52 { 0xC0,0xC0,0xC0,0 }, // 7
53
54 { 192, 220, 192, 0 }, // 8
55 { 166, 202, 240, 0 }, // 9
56 { 255, 251, 240, 0 }, // 10
57 { 160, 160, 164, 0 }, // 11
58
59 { 0x80,0x80,0x80,0 }, // 12
60 { 0xFF,0, 0, 0 }, // 13
61 { 0, 0xFF,0, 0 }, // 14
62 { 0xFF,0xFF,0, 0 }, // 15
63 { 0, 0, 0xFF,0 }, // 16
64 { 0xFF,0, 0xFF,0 }, // 17
65 { 0, 0xFF,0xFF,0 }, // 18
66 { 0xFF,0xFF,0xFF,0 } // 19
67};
68
69/******************************Public*Routine******************************\
70* bInitPDEV
71*
72* Determine the mode we should be in based on the DEVMODE passed in.
73* For mirrored devices we don't bother querying the miniport.
74*
75\**************************************************************************/
76
77BOOL bInitPDEV(
78PPDEV ppdev,
79DEVMODEW *pDevMode,
80GDIINFO *pGdiInfo,
81DEVINFO *pDevInfo)
82{
83 ULONG cModes;
84 PVIDEO_MODE_INFORMATION pVideoBuffer, pVideoModeSelected, pVideoTemp;
85 VIDEO_COLOR_CAPABILITIES colorCapabilities;
86 ULONG ulTemp;
87 BOOL bSelectDefault;
88 ULONG cbModeSize;
89 ULONG red, green, blue;
90 INT i;
91
92 //
93 // Fill in the GDIINFO data structure with the information returned from
94 // the kernel driver.
95 //
96
97 ppdev->ulMode = 0;
98 ppdev->cxScreen = pDevMode->dmPelsWidth;
99 ppdev->cyScreen = pDevMode->dmPelsHeight;
100 ppdev->ulBitCount = pDevMode->dmBitsPerPel;
101 ppdev->lDeltaScreen = 0;
102
103 ppdev->flRed = 0x00FF0000;
104 ppdev->flGreen = 0x000FF00;
105 ppdev->flBlue = 0x00000FF;
106
107 pGdiInfo->ulVersion = GDI_DRIVER_VERSION;
108 pGdiInfo->ulTechnology = DT_RASDISPLAY;
109 pGdiInfo->ulHorzSize = 0;
110 pGdiInfo->ulVertSize = 0;
111
112 pGdiInfo->ulHorzRes = ppdev->cxScreen;
113 pGdiInfo->ulVertRes = ppdev->cyScreen;
114 pGdiInfo->ulPanningHorzRes = 0;
115 pGdiInfo->ulPanningVertRes = 0;
116 pGdiInfo->cBitsPixel = 8;
117 pGdiInfo->cPlanes = 1;
118 pGdiInfo->ulVRefresh = 1; // not used
119 pGdiInfo->ulBltAlignment = 1; // We don't have accelerated screen-
120 // to-screen blts, and any
121 // window alignment is okay
122
123 pGdiInfo->ulLogPixelsX = pDevMode->dmLogPixels;
124 pGdiInfo->ulLogPixelsY = pDevMode->dmLogPixels;
125
126 pGdiInfo->flTextCaps = TC_RA_ABLE;
127
128 pGdiInfo->flRaster = 0; // flRaster is reserved by DDI
129
130 pGdiInfo->ulDACRed = 8;
131 pGdiInfo->ulDACGreen = 8;
132 pGdiInfo->ulDACBlue = 8;
133
134 pGdiInfo->ulAspectX = 0x24; // One-to-one aspect ratio
135 pGdiInfo->ulAspectY = 0x24;
136 pGdiInfo->ulAspectXY = 0x33;
137
138 pGdiInfo->xStyleStep = 1; // A style unit is 3 pels
139 pGdiInfo->yStyleStep = 1;
140 pGdiInfo->denStyleStep = 3;
141
142 pGdiInfo->ptlPhysOffset.x = 0;
143 pGdiInfo->ptlPhysOffset.y = 0;
144 pGdiInfo->szlPhysSize.cx = 0;
145 pGdiInfo->szlPhysSize.cy = 0;
146
147 // RGB and CMY color info.
148
149 pGdiInfo->ciDevice.Red.x = 6700;
150 pGdiInfo->ciDevice.Red.y = 3300;
151 pGdiInfo->ciDevice.Red.Y = 0;
152 pGdiInfo->ciDevice.Green.x = 2100;
153 pGdiInfo->ciDevice.Green.y = 7100;
154 pGdiInfo->ciDevice.Green.Y = 0;
155 pGdiInfo->ciDevice.Blue.x = 1400;
156 pGdiInfo->ciDevice.Blue.y = 800;
157 pGdiInfo->ciDevice.Blue.Y = 0;
158 pGdiInfo->ciDevice.AlignmentWhite.x = 3127;
159 pGdiInfo->ciDevice.AlignmentWhite.y = 3290;
160 pGdiInfo->ciDevice.AlignmentWhite.Y = 0;
161
162 pGdiInfo->ciDevice.RedGamma = 20000;
163 pGdiInfo->ciDevice.GreenGamma = 20000;
164 pGdiInfo->ciDevice.BlueGamma = 20000;
165
166 pGdiInfo->ciDevice.Cyan.x = 0;
167 pGdiInfo->ciDevice.Cyan.y = 0;
168 pGdiInfo->ciDevice.Cyan.Y = 0;
169 pGdiInfo->ciDevice.Magenta.x = 0;
170 pGdiInfo->ciDevice.Magenta.y = 0;
171 pGdiInfo->ciDevice.Magenta.Y = 0;
172 pGdiInfo->ciDevice.Yellow.x = 0;
173 pGdiInfo->ciDevice.Yellow.y = 0;
174 pGdiInfo->ciDevice.Yellow.Y = 0;
175
176 // No dye correction for raster displays.
177
178 pGdiInfo->ciDevice.MagentaInCyanDye = 0;
179 pGdiInfo->ciDevice.YellowInCyanDye = 0;
180 pGdiInfo->ciDevice.CyanInMagentaDye = 0;
181 pGdiInfo->ciDevice.YellowInMagentaDye = 0;
182 pGdiInfo->ciDevice.CyanInYellowDye = 0;
183 pGdiInfo->ciDevice.MagentaInYellowDye = 0;
184
185 pGdiInfo->ulDevicePelsDPI = 0; // For printers only
186 pGdiInfo->ulPrimaryOrder = PRIMARY_ORDER_CBA;
187
188 // Note: this should be modified later to take into account the size
189 // of the display and the resolution.
190
191 pGdiInfo->ulHTPatternSize = HT_PATSIZE_4x4_M;
192
193 pGdiInfo->flHTFlags = HT_FLAG_ADDITIVE_PRIMS;
194
195 // Fill in the basic devinfo structure
196
197 *pDevInfo = gDevInfoFrameBuffer;
198
199 // Fill in the rest of the devinfo and GdiInfo structures.
200
201 if (ppdev->ulBitCount == 8)
202 {
203 // It is Palette Managed.
204
205 pGdiInfo->ulNumColors = 20;
206 pGdiInfo->ulNumPalReg = 1 << ppdev->ulBitCount;
207
208 pDevInfo->flGraphicsCaps |= (GCAPS_PALMANAGED | GCAPS_COLOR_DITHER);
209
210 pGdiInfo->ulHTOutputFormat = HT_FORMAT_8BPP;
211 pDevInfo->iDitherFormat = BMF_8BPP;
212
213 // Assuming palette is orthogonal - all colors are same size.
214
215 ppdev->cPaletteShift = 8 - pGdiInfo->ulDACRed;
216 }
217 else
218 {
219 pGdiInfo->ulNumColors = (ULONG) (-1);
220 pGdiInfo->ulNumPalReg = 0;
221
222 if (ppdev->ulBitCount == 16)
223 {
224 pGdiInfo->ulHTOutputFormat = HT_FORMAT_16BPP;
225 pDevInfo->iDitherFormat = BMF_16BPP;
226 }
227 else if (ppdev->ulBitCount == 24)
228 {
229 pGdiInfo->ulHTOutputFormat = HT_FORMAT_24BPP;
230 pDevInfo->iDitherFormat = BMF_24BPP;
231 }
232 else
233 {
234 pGdiInfo->ulHTOutputFormat = HT_FORMAT_32BPP;
235 pDevInfo->iDitherFormat = BMF_32BPP;
236 }
237 }
238
239 // create remaining palette entries, simple loop to create uniformly
240 // distributed color values.
241
242 red = 0, green = 0, blue = 0;
243
244 for (i = NUMPALRESERVED; i < NUMPALCOLORS; i++) {
245 palColors[i][0] = red;
246 palColors[i][1] = green;
247 palColors[i][2] = blue;
248 palColors[i][3] = 0;
249
250 if (!(red += 32))
251 if (!(green += 32))
252 blue += 64;
253 }
254
255 if (ppdev->ulBitCount == 8)
256 {
257 pDevInfo->hpalDefault = ppdev->hpalDefault =
258
259 EngCreatePalette(PAL_INDEXED,
260 NUMPALCOLORS, // cColors
261 (ULONG*)&palColors[0], // pulColors
262 0,
263 0,
264 0); // flRed, flGreen, flBlue [not used]
265 }
266 else
267 {
268 pDevInfo->hpalDefault = ppdev->hpalDefault =
269 EngCreatePalette(PAL_BITFIELDS, 0,NULL,
270 ppdev->flRed,ppdev->flBlue,ppdev->flGreen);
271 }
272
273 DISPDBG((0,"bInitPDEV OK\n"));
274
275 return(TRUE);
276}
277
278
279
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