4 * Copyright 1993, 1994 Alexandre Julliard
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.
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.
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 St, Fifth Floor, Boston, MA 02110-1301, USA
29 #include "wine/wingdi16.h"
31 #include "gdi_private.h"
32 #include "wine/debug.h"
34 WINE_DEFAULT_DEBUG_CHANNEL(gdi);
36 /* GDI logical brush object */
43 #define NB_HATCH_STYLES 6
45 static HGDIOBJ BRUSH_SelectObject( HGDIOBJ handle, HDC hdc );
46 static INT BRUSH_GetObject16( HGDIOBJ handle, void *obj, INT count, LPVOID buffer );
47 static INT BRUSH_GetObject( HGDIOBJ handle, void *obj, INT count, LPVOID buffer );
48 static BOOL BRUSH_DeleteObject( HGDIOBJ handle, void *obj );
50 static const struct gdi_obj_funcs brush_funcs =
52 BRUSH_SelectObject, /* pSelectObject */
53 BRUSH_GetObject16, /* pGetObject16 */
54 BRUSH_GetObject, /* pGetObjectA */
55 BRUSH_GetObject, /* pGetObjectW */
56 NULL, /* pUnrealizeObject */
57 BRUSH_DeleteObject /* pDeleteObject */
60 static HGLOBAL16 dib_copy(const BITMAPINFO *info, UINT coloruse)
66 if (info->bmiHeader.biCompression)
67 size = info->bmiHeader.biSizeImage;
69 size = DIB_GetDIBImageBytes(info->bmiHeader.biWidth,
70 info->bmiHeader.biHeight,
71 info->bmiHeader.biBitCount);
72 size += DIB_BitmapInfoSize( info, coloruse );
74 if (!(hmem = GlobalAlloc16( GMEM_MOVEABLE, size )))
78 newInfo = (BITMAPINFO *) GlobalLock16( hmem );
79 memcpy( newInfo, info, size );
80 GlobalUnlock16( hmem );
85 /***********************************************************************
86 * CreateBrushIndirect (GDI32.@)
88 * Create a logical brush with a given style, color or pattern.
91 * brush [I] Pointer to a LOGBRUSH structure describing the desired brush.
94 * A handle to the created brush, or a NULL handle if the brush cannot be
98 * - The brush returned should be freed by the caller using DeleteObject()
99 * when it is no longer required.
100 * - Windows 95 and earlier cannot create brushes from bitmaps or DIBs larger
101 * than 8x8 pixels. If a larger bitmap is given, only a portion of the bitmap
104 HBRUSH WINAPI CreateBrushIndirect( const LOGBRUSH * brush )
109 if (!(ptr = GDI_AllocObject( sizeof(BRUSHOBJ), BRUSH_MAGIC,
110 (HGDIOBJ *)&hbrush, &brush_funcs ))) return 0;
111 ptr->logbrush.lbStyle = brush->lbStyle;
112 ptr->logbrush.lbColor = brush->lbColor;
113 ptr->logbrush.lbHatch = brush->lbHatch;
115 switch (ptr->logbrush.lbStyle)
118 ptr->logbrush.lbStyle = BS_PATTERN;
121 ptr->logbrush.lbHatch = (ULONG_PTR)BITMAP_CopyBitmap( (HBITMAP) ptr->logbrush.lbHatch );
122 if (!ptr->logbrush.lbHatch) goto error;
125 case BS_DIBPATTERNPT:
126 ptr->logbrush.lbStyle = BS_DIBPATTERN;
127 ptr->logbrush.lbHatch = (ULONG_PTR)dib_copy( (BITMAPINFO *) ptr->logbrush.lbHatch,
128 ptr->logbrush.lbColor);
129 if (!ptr->logbrush.lbHatch) goto error;
132 case BS_DIBPATTERN8X8:
136 HGLOBAL h = (HGLOBAL)ptr->logbrush.lbHatch;
138 ptr->logbrush.lbStyle = BS_DIBPATTERN;
139 if (!(bmi = (BITMAPINFO *)GlobalLock( h ))) goto error;
140 ptr->logbrush.lbHatch = dib_copy( bmi, ptr->logbrush.lbColor);
142 if (!ptr->logbrush.lbHatch) goto error;
147 if(ptr->logbrush.lbStyle > BS_MONOPATTERN) goto error;
151 GDI_ReleaseObj( hbrush );
152 TRACE("%p\n", hbrush);
156 GDI_FreeObject( hbrush, ptr );
161 /***********************************************************************
162 * CreateHatchBrush (GDI32.@)
164 * Create a logical brush with a hatched pattern.
167 * style [I] Direction of lines for the hatch pattern (HS_* values from "wingdi.h")
168 * color [I] Colour of the hatched pattern
171 * A handle to the created brush, or a NULL handle if the brush cannot
175 * - This function uses CreateBrushIndirect() to create the brush.
176 * - The brush returned should be freed by the caller using DeleteObject()
177 * when it is no longer required.
179 HBRUSH WINAPI CreateHatchBrush( INT style, COLORREF color )
183 TRACE("%d %06x\n", style, color );
185 logbrush.lbStyle = BS_HATCHED;
186 logbrush.lbColor = color;
187 logbrush.lbHatch = style;
189 return CreateBrushIndirect( &logbrush );
193 /***********************************************************************
194 * CreatePatternBrush (GDI32.@)
196 * Create a logical brush with a pattern from a bitmap.
199 * hbitmap [I] Bitmap containing pattern for the brush
202 * A handle to the created brush, or a NULL handle if the brush cannot
206 * - This function uses CreateBrushIndirect() to create the brush.
207 * - The brush returned should be freed by the caller using DeleteObject()
208 * when it is no longer required.
210 HBRUSH WINAPI CreatePatternBrush( HBITMAP hbitmap )
212 LOGBRUSH logbrush = { BS_PATTERN, 0, 0 };
213 TRACE("%p\n", hbitmap );
215 logbrush.lbHatch = (ULONG_PTR)hbitmap;
216 return CreateBrushIndirect( &logbrush );
220 /***********************************************************************
221 * CreateDIBPatternBrush (GDI32.@)
223 * Create a logical brush with a pattern from a DIB.
226 * hbitmap [I] Global object containing BITMAPINFO structure for the pattern
227 * coloruse [I] Specifies color format, if provided
230 * A handle to the created brush, or a NULL handle if the brush cannot
234 * - This function uses CreateBrushIndirect() to create the brush.
235 * - The brush returned should be freed by the caller using DeleteObject()
236 * when it is no longer required.
237 * - This function is for compatibility only. CreateDIBPatternBrushPt() should
240 HBRUSH WINAPI CreateDIBPatternBrush( HGLOBAL hbitmap, UINT coloruse )
244 TRACE("%p\n", hbitmap );
246 logbrush.lbStyle = BS_DIBPATTERN;
247 logbrush.lbColor = coloruse;
249 logbrush.lbHatch = (ULONG_PTR)hbitmap;
251 return CreateBrushIndirect( &logbrush );
255 /***********************************************************************
256 * CreateDIBPatternBrushPt (GDI32.@)
258 * Create a logical brush with a pattern from a DIB.
261 * data [I] Pointer to a BITMAPINFO structure and image data for the pattern
262 * coloruse [I] Specifies color format, if provided
265 * A handle to the created brush, or a NULL handle if the brush cannot
269 * - This function uses CreateBrushIndirect() to create the brush.
270 * - The brush returned should be freed by the caller using DeleteObject()
271 * when it is no longer required.
273 HBRUSH WINAPI CreateDIBPatternBrushPt( const void* data, UINT coloruse )
275 const BITMAPINFO *info=(const BITMAPINFO*)data;
281 TRACE("%p %dx%d %dbpp\n", info, info->bmiHeader.biWidth,
282 info->bmiHeader.biHeight, info->bmiHeader.biBitCount);
284 logbrush.lbStyle = BS_DIBPATTERNPT;
285 logbrush.lbColor = coloruse;
286 logbrush.lbHatch = (ULONG_PTR)data;
288 return CreateBrushIndirect( &logbrush );
292 /***********************************************************************
293 * CreateSolidBrush (GDI32.@)
295 * Create a logical brush consisting of a single colour.
298 * color [I] Colour to make the solid brush
301 * A handle to the newly created brush, or a NULL handle if the brush cannot
305 * - This function uses CreateBrushIndirect() to create the brush.
306 * - The brush returned should be freed by the caller using DeleteObject()
307 * when it is no longer required.
309 HBRUSH WINAPI CreateSolidBrush( COLORREF color )
313 TRACE("%06x\n", color );
315 logbrush.lbStyle = BS_SOLID;
316 logbrush.lbColor = color;
317 logbrush.lbHatch = 0;
319 return CreateBrushIndirect( &logbrush );
323 /***********************************************************************
324 * SetBrushOrgEx (GDI32.@)
326 * Set the brush origin for a device context.
329 * hdc [I] Device context to set the brush origin for
332 * oldorg [O] If non NULL, destination for previously set brush origin.
335 * Success: TRUE. The origin is set to (x,y), and oldorg is updated if given.
337 BOOL WINAPI SetBrushOrgEx( HDC hdc, INT x, INT y, LPPOINT oldorg )
339 DC *dc = get_dc_ptr( hdc );
341 if (!dc) return FALSE;
344 oldorg->x = dc->brushOrgX;
345 oldorg->y = dc->brushOrgY;
349 release_dc_ptr( dc );
353 /***********************************************************************
354 * FixBrushOrgEx (GDI32.@)
359 * This function is no longer documented by MSDN, but in Win95 GDI32 it
360 * is the same as SetBrushOrgEx().
362 BOOL WINAPI FixBrushOrgEx( HDC hdc, INT x, INT y, LPPOINT oldorg )
364 return SetBrushOrgEx(hdc,x,y,oldorg);
368 /***********************************************************************
371 static HGDIOBJ BRUSH_SelectObject( HGDIOBJ handle, HDC hdc )
375 DC *dc = get_dc_ptr( hdc );
379 if ((brush = GDI_GetObjPtr( handle, BRUSH_MAGIC )))
381 if (brush->logbrush.lbStyle == BS_PATTERN)
382 BITMAP_SetOwnerDC( (HBITMAP)brush->logbrush.lbHatch, dc );
384 if (dc->funcs->pSelectBrush) handle = dc->funcs->pSelectBrush( dc->physDev, handle );
389 GDI_inc_ref_count( handle );
390 GDI_dec_ref_count( ret );
392 GDI_ReleaseObj( handle );
394 release_dc_ptr( dc );
399 /***********************************************************************
402 static BOOL BRUSH_DeleteObject( HGDIOBJ handle, void *obj )
404 BRUSHOBJ *brush = obj;
406 switch(brush->logbrush.lbStyle)
409 DeleteObject( (HGDIOBJ)brush->logbrush.lbHatch );
412 GlobalFree16( (HGLOBAL16)brush->logbrush.lbHatch );
415 return GDI_FreeObject( handle, obj );
419 /***********************************************************************
422 static INT BRUSH_GetObject16( HGDIOBJ handle, void *obj, INT count, LPVOID buffer )
424 BRUSHOBJ *brush = obj;
427 logbrush.lbStyle = brush->logbrush.lbStyle;
428 logbrush.lbColor = brush->logbrush.lbColor;
429 logbrush.lbHatch = brush->logbrush.lbHatch;
430 if (count > sizeof(logbrush)) count = sizeof(logbrush);
431 memcpy( buffer, &logbrush, count );
436 /***********************************************************************
439 static INT BRUSH_GetObject( HGDIOBJ handle, void *obj, INT count, LPVOID buffer )
441 BRUSHOBJ *brush = obj;
444 return sizeof(brush->logbrush);
446 if (count > sizeof(brush->logbrush)) count = sizeof(brush->logbrush);
447 memcpy( buffer, &brush->logbrush, count );
452 /***********************************************************************
453 * SetSolidBrush (GDI.604)
455 * Change the color of a solid brush.
458 * hBrush [I] Brush to change the color of
459 * newColor [I] New color for hBrush
462 * Success: TRUE. The color of hBrush is set to newColor.
466 * This function is undocumented and untested. The implementation may
469 BOOL16 WINAPI SetSolidBrush16(HBRUSH16 hBrush, COLORREF newColor )
474 TRACE("(hBrush %04x, newColor %08x)\n", hBrush, newColor);
475 if (!(brushPtr = (BRUSHOBJ *) GDI_GetObjPtr( HBRUSH_32(hBrush), BRUSH_MAGIC )))
478 if (brushPtr->logbrush.lbStyle == BS_SOLID)
480 brushPtr->logbrush.lbColor = newColor;
484 GDI_ReleaseObj( HBRUSH_32(hBrush) );