1 #pragma once
2
3 /* Internal interface */
4
5 #define NB_HATCH_STYLES 6
6
7 /*
8 * The layout of this structure is taken from "Windows Graphics Programming"
9 * book written by Feng Yuan.
10 *
11 * DON'T MODIFY THIS STRUCTURE UNLESS REALLY NEEDED AND EVEN THEN ASK ON
12 * A MAILING LIST FIRST.
13 */
14 typedef struct _BRUSHBODY
15 {
16 ULONG iHatch; // This is not the brush style, but the hatch style!
17 HBITMAP hbmPattern;
18 HBITMAP hbmClient;
19 ULONG flAttrs;
20
21 ULONG ulBrushUnique;
22 BRUSH_ATTR *pBrushAttr; // Pointer to the currently active brush attribute
23 BRUSH_ATTR BrushAttr; // Internal brush attribute for global brushes
24 POINT ptOrigin;
25 ULONG bCacheGrabbed;
26 COLORREF crBack;
27 COLORREF crFore;
28 ULONG ulPalTime;
29 ULONG ulSurfTime;
30 PVOID pvRBrush;
31 HDEV hdev;
32 //DWORD unk054;
33
34 /* The following members are for PENs only */
35 LONG lWidth;
36 FLOATOBJ eWidth;
37 ULONG ulPenStyle;
38 DWORD *pStyle;
39 ULONG dwStyleCount;
40 BYTE jJoin; // 0x06c Join styles for geometric wide lines
41 BYTE jEndCap; // end cap style for a geometric wide line
42 //WORD unk06e; // 0x06e
43 INT iBrushStyle; // 0x070
44 //PREGION prgn; // 0x074
45 //DWORD unk078; // 0x078
46 //DWORD unk07c; // 0x07c
47 ULONG ulStyleSize;
48 LIST_ENTRY ListHead; // 0x080
49 } BRUSHBODY;
50
51 #ifndef __cplusplus
52 typedef struct _BRUSH
53 {
54 /* Header for all gdi objects in the handle table.
55 Do not (re)move this. */
56 BASEOBJECT BaseObject;
57
58 BRUSHBODY;
59 } BRUSH, *PBRUSH;
60 #else
61 class BRUSH;
62 typedef class BRUSH *PBRUSH;
63 #endif
64
65 /*
66 * EBRUSHOBJ structure.
67 * See also: https://reactos.org/wiki/Techwiki:Win32k/EBRUSHOBJ
68 */
69 typedef struct _EBRUSHOBJ
70 {
71 BRUSHOBJ BrushObject;
72
73 COLORREF crRealize;
74 ULONG ulRGBColor;
75 PVOID pengbrush;
76 ULONG ulSurfPalTime;
77 ULONG ulDCPalTime;
78 COLORREF crCurrentText;
79 COLORREF crCurrentBack;
80 COLORADJUSTMENT *pca;
81 // DWORD dwUnknown2c;
82 // DWORD dwUnknown30;
83 SURFACE * psurfTrg;
84 struct _PALETTE * ppalSurf;
85 struct _PALETTE * ppalDC;
86 struct _PALETTE * ppalDIB;
87 // DWORD dwUnknown44;
88 PBRUSH pbrush;
89 FLONG flattrs;
90 DWORD ulUnique;
91 // DWORD dwUnknown54;
92 // DWORD dwUnknown58;
93
94 SURFOBJ *psoMask;
95 } EBRUSHOBJ, *PEBRUSHOBJ;
96
97 /* GDI Brush Attributes */
98 #define BR_NEED_FG_CLR 0x00000001
99 #define BR_NEED_BK_CLR 0x00000002 /* Background color is needed */
100 #define BR_DITHER_OK 0x00000004 /* Allow color dithering */
101 #define BR_IS_SOLID 0x00000010 /* Solid brush */
102 #define BR_IS_HATCH 0x00000020 /* Hatch brush */
103 #define BR_IS_BITMAP 0x00000040 /* DDB pattern brush */
104 #define BR_IS_DIB 0x00000080 /* DIB pattern brush */
105 #define BR_IS_NULL 0x00000100 /* Null/hollow brush */
106 #define BR_IS_GLOBAL 0x00000200 /* Stock objects */
107 #define BR_IS_PEN 0x00000400 /* Pen */
108 #define BR_IS_OLDSTYLEPEN 0x00000800 /* Geometric pen */
109 #define BR_IS_DIBPALCOLORS 0x00001000
110 #define BR_IS_DIBPALINDICES 0x00002000
111 #define BR_IS_DEFAULTSTYLE 0x00004000
112 #define BR_IS_MASKING 0x00008000 /* Pattern bitmap is used as transparent mask (?) */
113 #define BR_IS_INSIDEFRAME 0x00010000
114 #define BR_CACHED_ENGINE 0x00040000
115 #define BR_CACHED_IS_SOLID 0x80000000
116
117 #define BRUSH_ShareLockBrush(hBrush) ((PBRUSH)GDIOBJ_ShareLockObj((HGDIOBJ)hBrush, GDI_OBJECT_TYPE_BRUSH))
118 #define BRUSH_ShareUnlockBrush(pBrush) GDIOBJ_vDereferenceObject((POBJ)pBrush)
119
120 INT
121 FASTCALL
122 BRUSH_GetObject(
123 PBRUSH GdiObject,
124 INT Count,
125 LPLOGBRUSH Buffer);
126
127 VOID
128 NTAPI
129 BRUSH_vDeleteObject(
130 PVOID pvObject);
131
132 extern HSURF gahsurfHatch[HS_DDI_MAX];
133
134 struct _SURFACE;
135 struct _PALETTE;
136 struct _DC;
137
138 CODE_SEG("INIT")
139 NTSTATUS
140 NTAPI
141 InitBrushImpl(VOID);
142
143 VOID
144 NTAPI
145 EBRUSHOBJ_vInit(EBRUSHOBJ *pebo, PBRUSH pbrush, struct _SURFACE *, COLORREF, COLORREF, struct _PALETTE *);
146
147 VOID
148 NTAPI
149 EBRUSHOBJ_vInitFromDC(EBRUSHOBJ *pebo, PBRUSH pbrush, struct _DC *);
150
151 VOID
152 FASTCALL
153 EBRUSHOBJ_vSetSolidRGBColor(EBRUSHOBJ *pebo, COLORREF crColor);
154
155 VOID
156 NTAPI
157 EBRUSHOBJ_vUpdateFromDC(EBRUSHOBJ *pebo, PBRUSH pbrush, struct _DC *);
158
159 BOOL
160 NTAPI
161 EBRUSHOBJ_bRealizeBrush(EBRUSHOBJ *pebo, BOOL bCallDriver);
162
163 VOID
164 NTAPI
165 EBRUSHOBJ_vCleanup(EBRUSHOBJ *pebo);
166
167 PVOID
168 NTAPI
169 EBRUSHOBJ_pvGetEngBrush(EBRUSHOBJ *pebo);
170
171 SURFOBJ*
172 NTAPI
173 EBRUSHOBJ_psoPattern(EBRUSHOBJ *pebo);
174
175 #define BRUSHOBJ_psoPattern(pbo) \
176 EBRUSHOBJ_psoPattern(CONTAINING_RECORD(pbo, EBRUSHOBJ, BrushObject))
177
178 SURFOBJ*
179 NTAPI
180 EBRUSHOBJ_psoMask(EBRUSHOBJ *pebo);
181
182 #define BRUSHOBJ_psoMask(pbo) \
183 EBRUSHOBJ_psoMask(CONTAINING_RECORD(pbo, EBRUSHOBJ, BrushObject))
184
185 FORCEINLINE
186 ULONG
EBRUSHOBJ_iSetSolidColor(EBRUSHOBJ * pebo,ULONG iSolidColor)187 EBRUSHOBJ_iSetSolidColor(EBRUSHOBJ *pebo, ULONG iSolidColor)
188 {
189 ULONG iOldColor = pebo->BrushObject.iSolidColor;
190 pebo->BrushObject.iSolidColor = iSolidColor;
191 return iOldColor;
192 }
193
194 BOOL FASTCALL IntGdiSetBrushOwner(PBRUSH,DWORD);
195 BOOL FASTCALL GreSetBrushOwner(HBRUSH,DWORD);
196
197 HBRUSH APIENTRY
198 IntGdiCreatePatternBrush(
199 HBITMAP hBitmap);
200
201 HBRUSH APIENTRY
202 IntGdiCreateSolidBrush(
203 COLORREF Color);
204
205 HBRUSH APIENTRY
206 IntGdiCreateNullBrush(VOID);
207
208 VOID
209 NTAPI
210 IntGdiSetSolidBrushColor(
211 _In_ HBRUSH hbr,
212 _In_ COLORREF crColor);
213