objects/brush.c

   1 /*
   2  * GDI brush objects
   3  *
   4  * Copyright 1993, 1994  Alexandre Julliard
   5  */
   6
   7 #include <stdlib.h>
   8 #include "brush.h"
   9 #include "bitmap.h"
  10 #include "metafile.h"
  11 #include "color.h"
  12 #include "stddebug.h"
  13 #include "debug.h"
  14
  15
  16 /***********************************************************************
  17  *           CreateBrushIndirect16    (GDI.50)
  18  */
  19 HBRUSH16 WINAPI CreateBrushIndirect16( const LOGBRUSH16 * brush )
  20 {
  21     BRUSHOBJ * brushPtr;
  22     HBRUSH16 hbrush = GDI_AllocObject( sizeof(BRUSHOBJ), BRUSH_MAGIC );
  23     if (!hbrush) return 0;
  24     brushPtr = (BRUSHOBJ *) GDI_HEAP_LOCK( hbrush );
  25     brushPtr->logbrush.lbStyle = brush->lbStyle;
  26     brushPtr->logbrush.lbColor = brush->lbColor;
  27     brushPtr->logbrush.lbHatch = brush->lbHatch;
  28     GDI_HEAP_UNLOCK( hbrush );
  29     return hbrush;
  30 }
  31
  32
  33 /***********************************************************************
  34  *           CreateBrushIndirect32    (GDI32.27)
  35  */
  36 HBRUSH32 WINAPI CreateBrushIndirect32( const LOGBRUSH32 * brush )
  37 {
  38     BRUSHOBJ * brushPtr;
  39     HBRUSH32 hbrush = GDI_AllocObject( sizeof(BRUSHOBJ), BRUSH_MAGIC );
  40     if (!hbrush) return 0;
  41     brushPtr = (BRUSHOBJ *) GDI_HEAP_LOCK( hbrush );
  42     brushPtr->logbrush.lbStyle = brush->lbStyle;
  43     brushPtr->logbrush.lbColor = brush->lbColor;
  44     brushPtr->logbrush.lbHatch = brush->lbHatch;
  45     GDI_HEAP_UNLOCK( hbrush );
  46     return hbrush;
  47 }
  48
  49
  50 /***********************************************************************
  51  *           CreateHatchBrush16    (GDI.58)
  52  */
  53 HBRUSH16 WINAPI CreateHatchBrush16( INT16 style, COLORREF color )
  54 {
  55     LOGBRUSH32 logbrush = { BS_HATCHED, color, style };
  56     dprintf_gdi(stddeb, "CreateHatchBrush16: %d %06lx\n", style, color );
  57     if ((style < 0) || (style >= NB_HATCH_STYLES)) return 0;
  58     return CreateBrushIndirect32( &logbrush );
  59 }
  60
  61
  62 /***********************************************************************
  63  *           CreateHatchBrush32    (GDI32.48)
  64  */
  65 HBRUSH32 WINAPI CreateHatchBrush32( INT32 style, COLORREF color )
  66 {
  67     LOGBRUSH32 logbrush = { BS_HATCHED, color, style };
  68     dprintf_gdi(stddeb, "CreateHatchBrush32: %d %06lx\n", style, color );
  69     if ((style < 0) || (style >= NB_HATCH_STYLES)) return 0;
  70     return CreateBrushIndirect32( &logbrush );
  71 }
  72
  73
  74 /***********************************************************************
  75  *           CreatePatternBrush16    (GDI.60)
  76  */
  77 HBRUSH16 WINAPI CreatePatternBrush16( HBITMAP16 hbitmap )
  78 {
  79     return (HBRUSH16)CreatePatternBrush32( hbitmap );
  80 }
  81
  82
  83 /***********************************************************************
  84  *           CreatePatternBrush32    (GDI32.54)
  85  */
  86 HBRUSH32 WINAPI CreatePatternBrush32( HBITMAP32 hbitmap )
  87 {
  88     LOGBRUSH32 logbrush = { BS_PATTERN, 0, 0 };
  89     BITMAPOBJ *bmp, *newbmp;
  90
  91     dprintf_gdi(stddeb, "CreatePatternBrush: %04x\n", hbitmap );
  92
  93       /* Make a copy of the bitmap */
  94
  95     if (!(bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC )))
  96         return 0;
  97     logbrush.lbHatch = (INT32)CreateBitmapIndirect16( &bmp->bitmap );
  98     newbmp = (BITMAPOBJ *) GDI_GetObjPtr( (HGDIOBJ32)logbrush.lbHatch,
  99                                           BITMAP_MAGIC );
 100     if (!newbmp)
 101     {
 102       GDI_HEAP_UNLOCK( hbitmap );
 103       return 0;
 104     }
 105     XCopyArea( display, bmp->pixmap, newbmp->pixmap, BITMAP_GC(bmp),
 106                0, 0, bmp->bitmap.bmWidth, bmp->bitmap.bmHeight, 0, 0 );
 107     GDI_HEAP_UNLOCK( hbitmap );
 108     GDI_HEAP_UNLOCK( logbrush.lbHatch );
 109     return CreateBrushIndirect32( &logbrush );
 110 }
 111
 112
 113 /***********************************************************************
 114  *           CreateDIBPatternBrush16    (GDI.445)
 115  */
 116 HBRUSH16 WINAPI CreateDIBPatternBrush16( HGLOBAL16 hbitmap, UINT16 coloruse )
 117 {
 118     LOGBRUSH32 logbrush = { BS_DIBPATTERN, coloruse, 0 };
 119     BITMAPINFO *info, *newInfo;
 120     INT32 size;
 121
 122     dprintf_gdi(stddeb, "CreateDIBPatternBrush: %04x\n", hbitmap );
 123
 124       /* Make a copy of the bitmap */
 125
 126     if (!(info = (BITMAPINFO *)GlobalLock16( hbitmap ))) return 0;
 127
 128     if (info->bmiHeader.biCompression)
 129         size = info->bmiHeader.biSizeImage;
 130     else
 131         size = (info->bmiHeader.biWidth * info->bmiHeader.biBitCount + 31) / 32
 132                  * 8 * info->bmiHeader.biHeight;
 133     size += DIB_BitmapInfoSize( info, coloruse );
 134
 135     if (!(logbrush.lbHatch = (INT16)GlobalAlloc16( GMEM_MOVEABLE, size )))
 136     {
 137         GlobalUnlock16( hbitmap );
 138         return 0;
 139     }
 140     newInfo = (BITMAPINFO *) GlobalLock16( (HGLOBAL16)logbrush.lbHatch );
 141     memcpy( newInfo, info, size );
 142     GlobalUnlock16( (HGLOBAL16)logbrush.lbHatch );
 143     GlobalUnlock16( hbitmap );
 144     return CreateBrushIndirect32( &logbrush );
 145 }
 146
 147
 148 /***********************************************************************
 149  *           CreateDIBPatternBrush32    (GDI32.34)
 150  */
 151 HBRUSH32 WINAPI CreateDIBPatternBrush32( HGLOBAL32 hbitmap, UINT32 coloruse )
 152 {
 153     LOGBRUSH32 logbrush = { BS_DIBPATTERN, coloruse, 0 };
 154     BITMAPINFO *info, *newInfo;
 155     INT32 size;
 156
 157     dprintf_gdi(stddeb, "CreateDIBPatternBrush: %04x\n", hbitmap );
 158
 159       /* Make a copy of the bitmap */
 160
 161     if (!(info = (BITMAPINFO *)GlobalLock32( hbitmap ))) return 0;
 162
 163     if (info->bmiHeader.biCompression)
 164         size = info->bmiHeader.biSizeImage;
 165     else
 166         size = (info->bmiHeader.biWidth * info->bmiHeader.biBitCount + 31) / 32
 167                  * 8 * info->bmiHeader.biHeight;
 168     size += DIB_BitmapInfoSize( info, coloruse );
 169
 170     if (!(logbrush.lbHatch = (INT32)GlobalAlloc16( GMEM_MOVEABLE, size )))
 171     {
 172         GlobalUnlock16( hbitmap );
 173         return 0;
 174     }
 175     newInfo = (BITMAPINFO *) GlobalLock16( (HGLOBAL16)logbrush.lbHatch );
 176     memcpy( newInfo, info, size );
 177     GlobalUnlock16( (HGLOBAL16)logbrush.lbHatch );
 178     GlobalUnlock16( hbitmap );
 179     return CreateBrushIndirect32( &logbrush );
 180 }
 181
 182
 183 /***********************************************************************
 184  *           CreateSolidBrush    (GDI.66)
 185  */
 186 HBRUSH16 WINAPI CreateSolidBrush16( COLORREF color )
 187 {
 188     LOGBRUSH32 logbrush = { BS_SOLID, color, 0 };
 189     dprintf_gdi(stddeb, "CreateSolidBrush16: %06lx\n", color );
 190     return CreateBrushIndirect32( &logbrush );
 191 }
 192
 193
 194 /***********************************************************************
 195  *           CreateSolidBrush32    (GDI32.64)
 196  */
 197 HBRUSH32 WINAPI CreateSolidBrush32( COLORREF color )
 198 {
 199     LOGBRUSH32 logbrush = { BS_SOLID, color, 0 };
 200     dprintf_gdi(stddeb, "CreateSolidBrush32: %06lx\n", color );
 201     return CreateBrushIndirect32( &logbrush );
 202 }
 203
 204
 205 /***********************************************************************
 206  *           SetBrushOrg    (GDI.148)
 207  */
 208 DWORD WINAPI SetBrushOrg( HDC16 hdc, INT16 x, INT16 y )
 209 {
 210     DWORD retval;
 211     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 212     if (!dc) return FALSE;
 213     retval = dc->w.brushOrgX | (dc->w.brushOrgY << 16);
 214     dc->w.brushOrgX = x;
 215     dc->w.brushOrgY = y;
 216     return retval;
 217 }
 218
 219
 220 /***********************************************************************
 221  *           SetBrushOrgEx    (GDI32.308)
 222  */
 223 BOOL32 WINAPI SetBrushOrgEx( HDC32 hdc, INT32 x, INT32 y, LPPOINT32 oldorg )
 224 {
 225     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 226
 227     if (!dc) return FALSE;
 228     if (oldorg)
 229     {
 230         oldorg->x = dc->w.brushOrgX;
 231         oldorg->y = dc->w.brushOrgY;
 232     }
 233     dc->w.brushOrgX = x;
 234     dc->w.brushOrgY = y;
 235     return TRUE;
 236 }
 237
 238 /***********************************************************************
 239  *           FixBrushOrgEx    (GDI32.102)
 240  * SDK says discontinued, but in Win95 GDI32 this is the same as SetBrushOrgEx
 241  */
 242 BOOL32 WINAPI FixBrushOrgEx( HDC32 hdc, INT32 x, INT32 y, LPPOINT32 oldorg )
 243 {
 244     return SetBrushOrgEx(hdc,x,y,oldorg);
 245 }
 246
 247
 248 /***********************************************************************
 249  *           BRUSH_DeleteObject
 250  */
 251 BOOL32 BRUSH_DeleteObject( HBRUSH16 hbrush, BRUSHOBJ * brush )
 252 {
 253     switch(brush->logbrush.lbStyle)
 254     {
 255       case BS_PATTERN:
 256           DeleteObject32( (HGDIOBJ32)brush->logbrush.lbHatch );
 257           break;
 258       case BS_DIBPATTERN:
 259           GlobalFree16( (HGLOBAL16)brush->logbrush.lbHatch );
 260           break;
 261     }
 262     return GDI_FreeObject( hbrush );
 263 }
 264
 265
 266 /***********************************************************************
 267  *           BRUSH_GetObject16
 268  */
 269 INT16 BRUSH_GetObject16( BRUSHOBJ * brush, INT16 count, LPSTR buffer )
 270 {
 271     LOGBRUSH16 logbrush;
 272
 273     logbrush.lbStyle = brush->logbrush.lbStyle;
 274     logbrush.lbColor = brush->logbrush.lbColor;
 275     logbrush.lbHatch = brush->logbrush.lbHatch;
 276     if (count > sizeof(logbrush)) count = sizeof(logbrush);
 277     memcpy( buffer, &logbrush, count );
 278     return count;
 279 }
 280
 281
 282 /***********************************************************************
 283  *           BRUSH_GetObject32
 284  */
 285 INT32 BRUSH_GetObject32( BRUSHOBJ * brush, INT32 count, LPSTR buffer )
 286 {
 287     if (count > sizeof(brush->logbrush)) count = sizeof(brush->logbrush);
 288     memcpy( buffer, &brush->logbrush, count );
 289     return count;
 290 }