dlls/gdiplus/image.c

   1 /*
   2  * Copyright (C) 2007 Google (Evan Stade)
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include <stdarg.h>
  20
  21 #include "windef.h"
  22 #include "winbase.h"
  23 #include "winuser.h"
  24 #include "wingdi.h"
  25
  26 #define COBJMACROS
  27 #include "objbase.h"
  28 #include "olectl.h"
  29 #include "ole2.h"
  30
  31 #include "gdiplus.h"
  32 #include "gdiplus_private.h"
  33 #include "wine/debug.h"
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
  36
  37 #define PIXELFORMATBPP(x) ((x) ? ((x) >> 8) & 255 : 24)
  38
  39 static INT ipicture_pixel_height(IPicture *pic)
  40 {
  41     HDC hdcref;
  42     OLE_YSIZE_HIMETRIC y;
  43
  44     IPicture_get_Height(pic, &y);
  45
  46     hdcref = GetDC(0);
  47
  48     y = MulDiv(y, GetDeviceCaps(hdcref, LOGPIXELSY), INCH_HIMETRIC);
  49     ReleaseDC(0, hdcref);
  50
  51     return y;
  52 }
  53
  54 static INT ipicture_pixel_width(IPicture *pic)
  55 {
  56     HDC hdcref;
  57     OLE_XSIZE_HIMETRIC x;
  58
  59     IPicture_get_Width(pic, &x);
  60
  61     hdcref = GetDC(0);
  62
  63     x = MulDiv(x, GetDeviceCaps(hdcref, LOGPIXELSX), INCH_HIMETRIC);
  64
  65     ReleaseDC(0, hdcref);
  66
  67     return x;
  68 }
  69
  70 GpStatus WINGDIPAPI GdipBitmapGetPixel(GpBitmap* bitmap, INT x, INT y,
  71     ARGB *color)
  72 {
  73     static int calls;
  74     TRACE("%p %d %d %p\n", bitmap, x, y, color);
  75
  76     if(!bitmap || !color)
  77         return InvalidParameter;
  78
  79     if(!(calls++))
  80         FIXME("not implemented\n");
  81
  82     *color = 0xdeadbeef;
  83
  84     return NotImplemented;
  85 }
  86
  87 /* This function returns a pointer to an array of pixels that represents the
  88  * bitmap. The *entire* bitmap is locked according to the lock mode specified by
  89  * flags.  It is correct behavior that a user who calls this function with write
  90  * privileges can write to the whole bitmap (not just the area in rect).
  91  *
  92  * FIXME: only used portion of format is bits per pixel. */
  93 GpStatus WINGDIPAPI GdipBitmapLockBits(GpBitmap* bitmap, GDIPCONST GpRect* rect,
  94     UINT flags, PixelFormat format, BitmapData* lockeddata)
  95 {
  96     BOOL bm_is_selected;
  97     INT stride, bitspp = PIXELFORMATBPP(format);
  98     OLE_HANDLE hbm;
  99     HDC hdc;
 100     HBITMAP old = NULL;
 101     BITMAPINFO *pbmi;
 102     BYTE *buff = NULL;
 103     UINT abs_height;
 104     GpRect act_rect; /* actual rect to be used */
 105
 106     TRACE("%p %p %d %d %p\n", bitmap, rect, flags, format, lockeddata);
 107
 108     if(!lockeddata || !bitmap)
 109         return InvalidParameter;
 110
 111     if(rect){
 112         if(rect->X < 0 || rect->Y < 0 || (rect->X + rect->Width > bitmap->width) ||
 113           (rect->Y + rect->Height > bitmap->height) || !flags)
 114             return InvalidParameter;
 115
 116         act_rect = *rect;
 117     }
 118     else{
 119         act_rect.X = act_rect.Y = 0;
 120         act_rect.Width  = bitmap->width;
 121         act_rect.Height = bitmap->height;
 122     }
 123
 124     if(flags & ImageLockModeUserInputBuf)
 125         return NotImplemented;
 126
 127     if(bitmap->lockmode)
 128         return WrongState;
 129
 130     IPicture_get_Handle(bitmap->image.picture, &hbm);
 131     IPicture_get_CurDC(bitmap->image.picture, &hdc);
 132     bm_is_selected = (hdc != 0);
 133
 134     pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
 135     if (!pbmi)
 136         return OutOfMemory;
 137     pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
 138     pbmi->bmiHeader.biBitCount = 0;
 139
 140     if(!bm_is_selected){
 141         hdc = CreateCompatibleDC(0);
 142         old = SelectObject(hdc, (HBITMAP)hbm);
 143     }
 144
 145     /* fill out bmi */
 146     GetDIBits(hdc, (HBITMAP)hbm, 0, 0, NULL, pbmi, DIB_RGB_COLORS);
 147
 148     abs_height = abs(pbmi->bmiHeader.biHeight);
 149     stride = pbmi->bmiHeader.biWidth * bitspp / 8;
 150     stride = (stride + 3) & ~3;
 151
 152     buff = GdipAlloc(stride * abs_height);
 153
 154     pbmi->bmiHeader.biBitCount = bitspp;
 155
 156     if(buff)
 157         GetDIBits(hdc, (HBITMAP)hbm, 0, abs_height, buff, pbmi, DIB_RGB_COLORS);
 158
 159     if(!bm_is_selected){
 160         SelectObject(hdc, old);
 161         DeleteDC(hdc);
 162     }
 163
 164     if(!buff){
 165         GdipFree(pbmi);
 166         return OutOfMemory;
 167     }
 168
 169     lockeddata->Width  = act_rect.Width;
 170     lockeddata->Height = act_rect.Height;
 171     lockeddata->PixelFormat = format;
 172     lockeddata->Reserved = flags;
 173
 174     if(pbmi->bmiHeader.biHeight > 0){
 175         lockeddata->Stride = -stride;
 176         lockeddata->Scan0  = buff + (bitspp / 8) * act_rect.X +
 177                              stride * (abs_height - 1 - act_rect.Y);
 178     }
 179     else{
 180         lockeddata->Stride = stride;
 181         lockeddata->Scan0  = buff + (bitspp / 8) * act_rect.X + stride * act_rect.Y;
 182     }
 183
 184     bitmap->lockmode = flags;
 185     bitmap->numlocks++;
 186
 187     bitmap->bitmapbits = buff;
 188
 189     GdipFree(pbmi);
 190     return Ok;
 191 }
 192
 193 GpStatus WINGDIPAPI GdipBitmapUnlockBits(GpBitmap* bitmap,
 194     BitmapData* lockeddata)
 195 {
 196     OLE_HANDLE hbm;
 197     HDC hdc;
 198     HBITMAP old = NULL;
 199     BOOL bm_is_selected;
 200     BITMAPINFO *pbmi;
 201
 202     if(!bitmap || !lockeddata)
 203         return InvalidParameter;
 204
 205     if(!bitmap->lockmode)
 206         return WrongState;
 207
 208     if(lockeddata->Reserved & ImageLockModeUserInputBuf)
 209         return NotImplemented;
 210
 211     if(lockeddata->Reserved & ImageLockModeRead){
 212         if(!(--bitmap->numlocks))
 213             bitmap->lockmode = 0;
 214
 215         GdipFree(bitmap->bitmapbits);
 216         bitmap->bitmapbits = NULL;
 217         return Ok;
 218     }
 219
 220     IPicture_get_Handle(bitmap->image.picture, &hbm);
 221     IPicture_get_CurDC(bitmap->image.picture, &hdc);
 222     bm_is_selected = (hdc != 0);
 223
 224     pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
 225     pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
 226     pbmi->bmiHeader.biBitCount = 0;
 227
 228     if(!bm_is_selected){
 229         hdc = CreateCompatibleDC(0);
 230         old = SelectObject(hdc, (HBITMAP)hbm);
 231     }
 232
 233     GetDIBits(hdc, (HBITMAP)hbm, 0, 0, NULL, pbmi, DIB_RGB_COLORS);
 234     pbmi->bmiHeader.biBitCount = PIXELFORMATBPP(lockeddata->PixelFormat);
 235     SetDIBits(hdc, (HBITMAP)hbm, 0, abs(pbmi->bmiHeader.biHeight),
 236               bitmap->bitmapbits, pbmi, DIB_RGB_COLORS);
 237
 238     if(!bm_is_selected){
 239         SelectObject(hdc, old);
 240         DeleteDC(hdc);
 241     }
 242
 243     GdipFree(pbmi);
 244     GdipFree(bitmap->bitmapbits);
 245     bitmap->bitmapbits = NULL;
 246     bitmap->lockmode = 0;
 247
 248     return Ok;
 249 }
 250
 251 GpStatus WINGDIPAPI GdipCloneImage(GpImage *image, GpImage **cloneImage)
 252 {
 253     IStream* stream;
 254     HRESULT hr;
 255     INT size;
 256     LARGE_INTEGER move;
 257
 258     TRACE("%p, %p\n", image, cloneImage);
 259
 260     if (!image || !cloneImage)
 261         return InvalidParameter;
 262
 263     hr = CreateStreamOnHGlobal(0, TRUE, &stream);
 264     if (FAILED(hr))
 265         return GenericError;
 266
 267     *cloneImage = GdipAlloc(sizeof(GpImage));
 268     if (!*cloneImage)
 269     {
 270         IStream_Release(stream);
 271         return OutOfMemory;
 272     }
 273     (*cloneImage)->type = image->type;
 274     (*cloneImage)->flags = image->flags;
 275
 276     hr = IPicture_SaveAsFile(image->picture, stream, FALSE, &size);
 277     if(FAILED(hr))
 278     {
 279         WARN("Failed to save image on stream\n");
 280         goto out;
 281     }
 282
 283     /* Set seek pointer back to the beginning of the picture */
 284     move.QuadPart = 0;
 285     hr = IStream_Seek(stream, move, STREAM_SEEK_SET, NULL);
 286     if (FAILED(hr))
 287         goto out;
 288
 289     hr = OleLoadPicture(stream, size, FALSE, &IID_IPicture,
 290             (LPVOID*) &(*cloneImage)->picture);
 291     if (FAILED(hr))
 292     {
 293         WARN("Failed to load image from stream\n");
 294         goto out;
 295     }
 296
 297     IStream_Release(stream);
 298     return Ok;
 299 out:
 300     IStream_Release(stream);
 301     GdipFree(*cloneImage);
 302     *cloneImage = NULL;
 303     return GenericError;
 304 }
 305
 306 GpStatus WINGDIPAPI GdipCreateBitmapFromFile(GDIPCONST WCHAR* filename,
 307     GpBitmap **bitmap)
 308 {
 309     GpStatus stat;
 310     IStream *stream;
 311
 312     TRACE("(%s) %p\n", debugstr_w(filename), bitmap);
 313
 314     if(!filename || !bitmap)
 315         return InvalidParameter;
 316
 317     stat = GdipCreateStreamOnFile(filename, GENERIC_READ, &stream);
 318
 319     if(stat != Ok)
 320         return stat;
 321
 322     stat = GdipCreateBitmapFromStream(stream, bitmap);
 323
 324     IStream_Release(stream);
 325
 326     return stat;
 327 }
 328
 329 GpStatus WINGDIPAPI GdipCreateBitmapFromGdiDib(GDIPCONST BITMAPINFO* info,
 330                                                VOID *bits, GpBitmap **bitmap)
 331 {
 332     DWORD height, stride;
 333     PixelFormat format;
 334
 335     FIXME("(%p, %p, %p) - partially implemented\n", info, bits, bitmap);
 336
 337     height = abs(info->bmiHeader.biHeight);
 338     stride = ((info->bmiHeader.biWidth * info->bmiHeader.biBitCount + 31) >> 3) & ~3;
 339
 340     if(info->bmiHeader.biHeight > 0) /* bottom-up */
 341     {
 342         bits = (BYTE*)bits + (height - 1) * stride;
 343         stride = -stride;
 344     }
 345
 346     switch(info->bmiHeader.biBitCount) {
 347     case 1:
 348         format = PixelFormat1bppIndexed;
 349         break;
 350     case 4:
 351         format = PixelFormat4bppIndexed;
 352         break;
 353     case 8:
 354         format = PixelFormat8bppIndexed;
 355         break;
 356     case 24:
 357         format = PixelFormat24bppRGB;
 358         break;
 359     default:
 360         FIXME("don't know how to handle %d bpp\n", info->bmiHeader.biBitCount);
 361         *bitmap = NULL;
 362         return InvalidParameter;
 363     }
 364
 365     return GdipCreateBitmapFromScan0(info->bmiHeader.biWidth, height, stride, format,
 366                                      bits, bitmap);
 367
 368 }
 369
 370 /* FIXME: no icm */
 371 GpStatus WINGDIPAPI GdipCreateBitmapFromFileICM(GDIPCONST WCHAR* filename,
 372     GpBitmap **bitmap)
 373 {
 374     TRACE("(%s) %p\n", debugstr_w(filename), bitmap);
 375
 376     return GdipCreateBitmapFromFile(filename, bitmap);
 377 }
 378
 379 GpStatus WINGDIPAPI GdipCreateBitmapFromResource(HINSTANCE hInstance,
 380     GDIPCONST WCHAR* lpBitmapName, GpBitmap** bitmap)
 381 {
 382     HBITMAP hbm;
 383     GpStatus stat = InvalidParameter;
 384
 385     TRACE("%p (%s) %p\n", hInstance, debugstr_w(lpBitmapName), bitmap);
 386
 387     if(!lpBitmapName || !bitmap)
 388         return InvalidParameter;
 389
 390     /* load DIB */
 391     hbm = (HBITMAP)LoadImageW(hInstance,lpBitmapName,IMAGE_BITMAP,0,0,LR_CREATEDIBSECTION);
 392
 393     if(hbm){
 394         stat = GdipCreateBitmapFromHBITMAP(hbm, NULL, bitmap);
 395         DeleteObject(hbm);
 396     }
 397
 398     return stat;
 399 }
 400
 401 GpStatus WINGDIPAPI GdipCreateHBITMAPFromBitmap(GpBitmap* bitmap,
 402     HBITMAP* hbmReturn, ARGB background)
 403 {
 404     FIXME("stub\n");
 405
 406     hbmReturn = NULL;
 407
 408     return NotImplemented;
 409 }
 410
 411 GpStatus WINGDIPAPI GdipConvertToEmfPlus(const GpGraphics* ref,
 412     GpMetafile* metafile, BOOL* succ, EmfType emfType,
 413     const WCHAR* description, GpMetafile** out_metafile)
 414 {
 415     static int calls;
 416
 417     if(!ref || !metafile || !out_metafile)
 418         return InvalidParameter;
 419
 420     *succ = FALSE;
 421     *out_metafile = NULL;
 422
 423     if(!(calls++))
 424         FIXME("not implemented\n");
 425
 426     return NotImplemented;
 427 }
 428
 429 /* FIXME: this should create a bitmap in the given size with the attributes
 430  * (resolution etc.) of the graphics object */
 431 GpStatus WINGDIPAPI GdipCreateBitmapFromGraphics(INT width, INT height,
 432     GpGraphics* target, GpBitmap** bitmap)
 433 {
 434     static int calls;
 435     GpStatus ret;
 436
 437     if(!target || !bitmap)
 438         return InvalidParameter;
 439
 440     if(!(calls++))
 441         FIXME("hacked stub\n");
 442
 443     ret = GdipCreateBitmapFromScan0(width, height, 0, PixelFormat24bppRGB,
 444                                     NULL, bitmap);
 445
 446     return ret;
 447 }
 448
 449 GpStatus WINGDIPAPI GdipCreateBitmapFromScan0(INT width, INT height, INT stride,
 450     PixelFormat format, BYTE* scan0, GpBitmap** bitmap)
 451 {
 452     BITMAPFILEHEADER *bmfh;
 453     BITMAPINFOHEADER *bmih;
 454     BYTE *buff;
 455     INT datalen, size;
 456     IStream *stream;
 457
 458     TRACE("%d %d %d %d %p %p\n", width, height, stride, format, scan0, bitmap);
 459
 460     if (!bitmap) return InvalidParameter;
 461
 462     if(width <= 0 || height <= 0 || (scan0 && (stride % 4))){
 463         *bitmap = NULL;
 464         return InvalidParameter;
 465     }
 466
 467     if(scan0 && !stride)
 468         return InvalidParameter;
 469
 470     /* FIXME: windows allows negative stride (reads backwards from scan0) */
 471     if(stride < 0){
 472         FIXME("negative stride\n");
 473         return InvalidParameter;
 474     }
 475
 476     *bitmap = GdipAlloc(sizeof(GpBitmap));
 477     if(!*bitmap)    return OutOfMemory;
 478
 479     if(stride == 0){
 480         stride = width * (PIXELFORMATBPP(format) / 8);
 481         stride = (stride + 3) & ~3;
 482     }
 483
 484     datalen = abs(stride * height);
 485     size = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + datalen;
 486     buff = GdipAlloc(size);
 487     if(!buff){
 488         GdipFree(*bitmap);
 489         return OutOfMemory;
 490     }
 491
 492     bmfh = (BITMAPFILEHEADER*) buff;
 493     bmih = (BITMAPINFOHEADER*) (bmfh + 1);
 494
 495     bmfh->bfType    = (((WORD)'M') << 8) + (WORD)'B';
 496     bmfh->bfSize    = size;
 497     bmfh->bfOffBits = size - datalen;
 498
 499     bmih->biSize            = sizeof(BITMAPINFOHEADER);
 500     bmih->biWidth           = width;
 501     bmih->biHeight          = -height;
 502     /* FIXME: use the rest of the data from format */
 503     bmih->biBitCount        = PIXELFORMATBPP(format);
 504     bmih->biCompression     = BI_RGB;
 505     bmih->biSizeImage       = datalen;
 506
 507     if(scan0)
 508         memcpy(bmih + 1, scan0, datalen);
 509     else
 510         memset(bmih + 1, 0, datalen);
 511
 512     if(CreateStreamOnHGlobal(buff, TRUE, &stream) != S_OK){
 513         ERR("could not make stream\n");
 514         GdipFree(*bitmap);
 515         GdipFree(buff);
 516         return GenericError;
 517     }
 518
 519     if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
 520         (LPVOID*) &((*bitmap)->image.picture)) != S_OK){
 521         TRACE("Could not load picture\n");
 522         IStream_Release(stream);
 523         GdipFree(*bitmap);
 524         GdipFree(buff);
 525         return GenericError;
 526     }
 527
 528     (*bitmap)->image.type = ImageTypeBitmap;
 529     (*bitmap)->image.flags = ImageFlagsNone;
 530     (*bitmap)->width = width;
 531     (*bitmap)->height = height;
 532     (*bitmap)->format = format;
 533
 534     return Ok;
 535 }
 536
 537 GpStatus WINGDIPAPI GdipCreateBitmapFromStream(IStream* stream,
 538     GpBitmap **bitmap)
 539 {
 540     GpStatus stat;
 541
 542     TRACE("%p %p\n", stream, bitmap);
 543
 544     stat = GdipLoadImageFromStream(stream, (GpImage**) bitmap);
 545
 546     if(stat != Ok)
 547         return stat;
 548
 549     if((*bitmap)->image.type != ImageTypeBitmap){
 550         IPicture_Release((*bitmap)->image.picture);
 551         GdipFree(bitmap);
 552         return GenericError; /* FIXME: what error to return? */
 553     }
 554
 555     return Ok;
 556 }
 557
 558 /* FIXME: no icm */
 559 GpStatus WINGDIPAPI GdipCreateBitmapFromStreamICM(IStream* stream,
 560     GpBitmap **bitmap)
 561 {
 562     TRACE("%p %p\n", stream, bitmap);
 563
 564     return GdipCreateBitmapFromStream(stream, bitmap);
 565 }
 566
 567 GpStatus WINGDIPAPI GdipDisposeImage(GpImage *image)
 568 {
 569     HDC hdc;
 570
 571     TRACE("%p\n", image);
 572
 573     if(!image)
 574         return InvalidParameter;
 575
 576     IPicture_get_CurDC(image->picture, &hdc);
 577     DeleteDC(hdc);
 578     IPicture_Release(image->picture);
 579     if (image->type == ImageTypeBitmap)
 580         GdipFree(((GpBitmap*)image)->bitmapbits);
 581     GdipFree(image);
 582
 583     return Ok;
 584 }
 585
 586 GpStatus WINGDIPAPI GdipFindFirstImageItem(GpImage *image, ImageItemData* item)
 587 {
 588     if(!image || !item)
 589         return InvalidParameter;
 590
 591     return NotImplemented;
 592 }
 593
 594 GpStatus WINGDIPAPI GdipGetImageBounds(GpImage *image, GpRectF *srcRect,
 595     GpUnit *srcUnit)
 596 {
 597     TRACE("%p %p %p\n", image, srcRect, srcUnit);
 598
 599     if(!image || !srcRect || !srcUnit)
 600         return InvalidParameter;
 601     if(image->type == ImageTypeMetafile){
 602         *srcRect = ((GpMetafile*)image)->bounds;
 603         *srcUnit = ((GpMetafile*)image)->unit;
 604     }
 605     else if(image->type == ImageTypeBitmap){
 606         srcRect->X = srcRect->Y = 0.0;
 607         srcRect->Width = (REAL) ((GpBitmap*)image)->width;
 608         srcRect->Height = (REAL) ((GpBitmap*)image)->height;
 609         *srcUnit = UnitPixel;
 610     }
 611     else{
 612         srcRect->X = srcRect->Y = 0.0;
 613         srcRect->Width = ipicture_pixel_width(image->picture);
 614         srcRect->Height = ipicture_pixel_height(image->picture);
 615         *srcUnit = UnitPixel;
 616     }
 617
 618     TRACE("returning (%f, %f) (%f, %f) unit type %d\n", srcRect->X, srcRect->Y,
 619           srcRect->Width, srcRect->Height, *srcUnit);
 620
 621     return Ok;
 622 }
 623
 624 GpStatus WINGDIPAPI GdipGetImageDimension(GpImage *image, REAL *width,
 625     REAL *height)
 626 {
 627     TRACE("%p %p %p\n", image, width, height);
 628
 629     if(!image || !height || !width)
 630         return InvalidParameter;
 631
 632     if(image->type == ImageTypeMetafile){
 633         HDC hdc = GetDC(0);
 634
 635         *height = convert_unit(hdc, ((GpMetafile*)image)->unit) *
 636                         ((GpMetafile*)image)->bounds.Height;
 637
 638         *width = convert_unit(hdc, ((GpMetafile*)image)->unit) *
 639                         ((GpMetafile*)image)->bounds.Width;
 640
 641         ReleaseDC(0, hdc);
 642     }
 643
 644     else if(image->type == ImageTypeBitmap){
 645         *height = ((GpBitmap*)image)->height;
 646         *width = ((GpBitmap*)image)->width;
 647     }
 648     else{
 649         *height = ipicture_pixel_height(image->picture);
 650         *width = ipicture_pixel_width(image->picture);
 651     }
 652
 653     TRACE("returning (%f, %f)\n", *height, *width);
 654     return Ok;
 655 }
 656
 657 GpStatus WINGDIPAPI GdipGetImageGraphicsContext(GpImage *image,
 658     GpGraphics **graphics)
 659 {
 660     HDC hdc;
 661
 662     TRACE("%p %p\n", image, graphics);
 663
 664     if(!image || !graphics)
 665         return InvalidParameter;
 666
 667     if(image->type != ImageTypeBitmap){
 668         FIXME("not implemented for image type %d\n", image->type);
 669         return NotImplemented;
 670     }
 671
 672     IPicture_get_CurDC(image->picture, &hdc);
 673
 674     if(!hdc){
 675         hdc = CreateCompatibleDC(0);
 676         IPicture_SelectPicture(image->picture, hdc, NULL, NULL);
 677     }
 678
 679     return GdipCreateFromHDC(hdc, graphics);
 680 }
 681
 682 GpStatus WINGDIPAPI GdipGetImageHeight(GpImage *image, UINT *height)
 683 {
 684     TRACE("%p %p\n", image, height);
 685
 686     if(!image || !height)
 687         return InvalidParameter;
 688
 689     if(image->type == ImageTypeMetafile){
 690         HDC hdc = GetDC(0);
 691
 692         *height = roundr(convert_unit(hdc, ((GpMetafile*)image)->unit) *
 693                         ((GpMetafile*)image)->bounds.Height);
 694
 695         ReleaseDC(0, hdc);
 696     }
 697     else if(image->type == ImageTypeBitmap)
 698         *height = ((GpBitmap*)image)->height;
 699     else
 700         *height = ipicture_pixel_height(image->picture);
 701
 702     TRACE("returning %d\n", *height);
 703
 704     return Ok;
 705 }
 706
 707 GpStatus WINGDIPAPI GdipGetImageHorizontalResolution(GpImage *image, REAL *res)
 708 {
 709     static int calls;
 710
 711     if(!image || !res)
 712         return InvalidParameter;
 713
 714     if(!(calls++))
 715         FIXME("not implemented\n");
 716
 717     return NotImplemented;
 718 }
 719
 720 /* FIXME: test this function for non-bitmap types */
 721 GpStatus WINGDIPAPI GdipGetImagePixelFormat(GpImage *image, PixelFormat *format)
 722 {
 723     TRACE("%p %p\n", image, format);
 724
 725     if(!image || !format)
 726         return InvalidParameter;
 727
 728     if(image->type != ImageTypeBitmap)
 729         *format = PixelFormat24bppRGB;
 730     else
 731         *format = ((GpBitmap*) image)->format;
 732
 733     return Ok;
 734 }
 735
 736 GpStatus WINGDIPAPI GdipGetImageRawFormat(GpImage *image, GUID *format)
 737 {
 738     static int calls;
 739
 740     if(!image || !format)
 741         return InvalidParameter;
 742
 743     if(!(calls++))
 744         FIXME("not implemented\n");
 745
 746     return NotImplemented;
 747 }
 748
 749 GpStatus WINGDIPAPI GdipGetImageType(GpImage *image, ImageType *type)
 750 {
 751     TRACE("%p %p\n", image, type);
 752
 753     if(!image || !type)
 754         return InvalidParameter;
 755
 756     *type = image->type;
 757
 758     return Ok;
 759 }
 760
 761 GpStatus WINGDIPAPI GdipGetImageVerticalResolution(GpImage *image, REAL *res)
 762 {
 763     static int calls;
 764
 765     if(!image || !res)
 766         return InvalidParameter;
 767
 768     if(!(calls++))
 769         FIXME("not implemented\n");
 770
 771     return NotImplemented;
 772 }
 773
 774 GpStatus WINGDIPAPI GdipGetImageWidth(GpImage *image, UINT *width)
 775 {
 776     TRACE("%p %p\n", image, width);
 777
 778     if(!image || !width)
 779         return InvalidParameter;
 780
 781     if(image->type == ImageTypeMetafile){
 782         HDC hdc = GetDC(0);
 783
 784         *width = roundr(convert_unit(hdc, ((GpMetafile*)image)->unit) *
 785                         ((GpMetafile*)image)->bounds.Width);
 786
 787         ReleaseDC(0, hdc);
 788     }
 789     else if(image->type == ImageTypeBitmap)
 790         *width = ((GpBitmap*)image)->width;
 791     else
 792         *width = ipicture_pixel_width(image->picture);
 793
 794     TRACE("returning %d\n", *width);
 795
 796     return Ok;
 797 }
 798
 799 GpStatus WINGDIPAPI GdipGetMetafileHeaderFromMetafile(GpMetafile * metafile,
 800     MetafileHeader * header)
 801 {
 802     static int calls;
 803
 804     if(!metafile || !header)
 805         return InvalidParameter;
 806
 807     if(!(calls++))
 808         FIXME("not implemented\n");
 809
 810     return Ok;
 811 }
 812
 813 GpStatus WINGDIPAPI GdipGetAllPropertyItems(GpImage *image, UINT size,
 814     UINT num, PropertyItem* items)
 815 {
 816     static int calls;
 817
 818     if(!(calls++))
 819         FIXME("not implemented\n");
 820
 821     return InvalidParameter;
 822 }
 823
 824 GpStatus WINGDIPAPI GdipGetPropertyCount(GpImage *image, UINT* num)
 825 {
 826     static int calls;
 827
 828     if(!(calls++))
 829         FIXME("not implemented\n");
 830
 831     return InvalidParameter;
 832 }
 833
 834 GpStatus WINGDIPAPI GdipGetPropertyIdList(GpImage *image, UINT num, PROPID* list)
 835 {
 836     static int calls;
 837
 838     if(!(calls++))
 839         FIXME("not implemented\n");
 840
 841     return InvalidParameter;
 842 }
 843
 844 GpStatus WINGDIPAPI GdipGetPropertyItem(GpImage *image, PROPID id, UINT size,
 845     PropertyItem* buffer)
 846 {
 847     static int calls;
 848
 849     if(!(calls++))
 850         FIXME("not implemented\n");
 851
 852     return InvalidParameter;
 853 }
 854
 855 GpStatus WINGDIPAPI GdipGetPropertyItemSize(GpImage *image, PROPID pid,
 856     UINT* size)
 857 {
 858     static int calls;
 859
 860     TRACE("%p %x %p\n", image, pid, size);
 861
 862     if(!size || !image)
 863         return InvalidParameter;
 864
 865     if(!(calls++))
 866         FIXME("not implemented\n");
 867
 868     return NotImplemented;
 869 }
 870
 871 GpStatus WINGDIPAPI GdipGetPropertySize(GpImage *image, UINT* size, UINT* num)
 872 {
 873     static int calls;
 874
 875     if(!(calls++))
 876         FIXME("not implemented\n");
 877
 878     return InvalidParameter;
 879 }
 880
 881 GpStatus WINGDIPAPI GdipImageGetFrameCount(GpImage *image,
 882     GDIPCONST GUID* dimensionID, UINT* count)
 883 {
 884     static int calls;
 885
 886     if(!image || !dimensionID || !count)
 887         return InvalidParameter;
 888
 889     if(!(calls++))
 890         FIXME("not implemented\n");
 891
 892     return NotImplemented;
 893 }
 894
 895 GpStatus WINGDIPAPI GdipImageGetFrameDimensionsCount(GpImage *image,
 896     UINT* count)
 897 {
 898     if(!image || !count)
 899         return InvalidParameter;
 900
 901     *count = 1;
 902
 903     FIXME("stub\n");
 904
 905     return Ok;
 906 }
 907
 908 GpStatus WINGDIPAPI GdipImageGetFrameDimensionsList(GpImage* image,
 909     GUID* dimensionIDs, UINT count)
 910 {
 911     static int calls;
 912
 913     if(!image || !dimensionIDs)
 914         return InvalidParameter;
 915
 916     if(!(calls++))
 917         FIXME("not implemented\n");
 918
 919     return Ok;
 920 }
 921
 922 GpStatus WINGDIPAPI GdipImageSelectActiveFrame(GpImage *image,
 923     GDIPCONST GUID* dimensionID, UINT frameidx)
 924 {
 925     static int calls;
 926
 927     if(!image || !dimensionID)
 928         return InvalidParameter;
 929
 930     if(!(calls++))
 931         FIXME("not implemented\n");
 932
 933     return Ok;
 934 }
 935
 936 GpStatus WINGDIPAPI GdipLoadImageFromFile(GDIPCONST WCHAR* filename,
 937                                           GpImage **image)
 938 {
 939     GpStatus stat;
 940     IStream *stream;
 941
 942     TRACE("(%s) %p\n", debugstr_w(filename), image);
 943
 944     if (!filename || !image)
 945         return InvalidParameter;
 946
 947     stat = GdipCreateStreamOnFile(filename, GENERIC_READ, &stream);
 948
 949     if (stat != Ok)
 950         return stat;
 951
 952     stat = GdipLoadImageFromStream(stream, image);
 953
 954     IStream_Release(stream);
 955
 956     return stat;
 957 }
 958
 959 /* FIXME: no icm handling */
 960 GpStatus WINGDIPAPI GdipLoadImageFromFileICM(GDIPCONST WCHAR* filename,GpImage **image)
 961 {
 962     TRACE("(%s) %p\n", debugstr_w(filename), image);
 963
 964     return GdipLoadImageFromFile(filename, image);
 965 }
 966
 967 GpStatus WINGDIPAPI GdipLoadImageFromStream(IStream* stream, GpImage **image)
 968 {
 969     IPicture *pic;
 970     short type;
 971
 972     TRACE("%p %p\n", stream, image);
 973
 974     if(!stream || !image)
 975         return InvalidParameter;
 976
 977     if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
 978         (LPVOID*) &pic) != S_OK){
 979         TRACE("Could not load picture\n");
 980         return GenericError;
 981     }
 982
 983     IPicture_get_Type(pic, &type);
 984
 985     if(type == PICTYPE_BITMAP){
 986         BITMAPINFO *pbmi;
 987         BITMAPCOREHEADER* bmch;
 988         OLE_HANDLE hbm;
 989         HDC hdc;
 990
 991         pbmi = GdipAlloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
 992         if (!pbmi)
 993             return OutOfMemory;
 994         *image = GdipAlloc(sizeof(GpBitmap));
 995         if(!*image){
 996             GdipFree(pbmi);
 997             return OutOfMemory;
 998         }
 999         (*image)->type = ImageTypeBitmap;
1000
1001         (*((GpBitmap**) image))->width = ipicture_pixel_width(pic);
1002         (*((GpBitmap**) image))->height = ipicture_pixel_height(pic);
1003
1004         /* get the pixel format */
1005         IPicture_get_Handle(pic, &hbm);
1006         IPicture_get_CurDC(pic, &hdc);
1007
1008         bmch = (BITMAPCOREHEADER*) (&pbmi->bmiHeader);
1009         bmch->bcSize = sizeof(BITMAPCOREHEADER);
1010
1011         if(!hdc){
1012             HBITMAP old;
1013             hdc = CreateCompatibleDC(0);
1014             old = SelectObject(hdc, (HBITMAP)hbm);
1015             GetDIBits(hdc, (HBITMAP)hbm, 0, 0, NULL, pbmi, DIB_RGB_COLORS);
1016             SelectObject(hdc, old);
1017             DeleteDC(hdc);
1018         }
1019         else
1020             GetDIBits(hdc, (HBITMAP)hbm, 0, 0, NULL, pbmi, DIB_RGB_COLORS);
1021
1022         (*((GpBitmap**) image))->format = (bmch->bcBitCount << 8) | PixelFormatGDI;
1023         GdipFree(pbmi);
1024     }
1025     else if(type == PICTYPE_METAFILE || type == PICTYPE_ENHMETAFILE){
1026         /* FIXME: missing initialization code */
1027         *image = GdipAlloc(sizeof(GpMetafile));
1028         if(!*image) return OutOfMemory;
1029         (*image)->type = ImageTypeMetafile;
1030     }
1031     else{
1032         *image = GdipAlloc(sizeof(GpImage));
1033         if(!*image) return OutOfMemory;
1034         (*image)->type = ImageTypeUnknown;
1035     }
1036
1037     (*image)->picture = pic;
1038     (*image)->flags   = ImageFlagsNone;
1039
1040     return Ok;
1041 }
1042
1043 /* FIXME: no ICM */
1044 GpStatus WINGDIPAPI GdipLoadImageFromStreamICM(IStream* stream, GpImage **image)
1045 {
1046     TRACE("%p %p\n", stream, image);
1047
1048     return GdipLoadImageFromStream(stream, image);
1049 }
1050
1051 GpStatus WINGDIPAPI GdipRemovePropertyItem(GpImage *image, PROPID propId)
1052 {
1053     static int calls;
1054
1055     if(!image)
1056         return InvalidParameter;
1057
1058     if(!(calls++))
1059         FIXME("not implemented\n");
1060
1061     return NotImplemented;
1062 }
1063
1064 GpStatus WINGDIPAPI GdipSetPropertyItem(GpImage *image, GDIPCONST PropertyItem* item)
1065 {
1066     static int calls;
1067
1068     if(!(calls++))
1069         FIXME("not implemented\n");
1070
1071     return NotImplemented;
1072 }
1073
1074 GpStatus WINGDIPAPI GdipSaveImageToFile(GpImage *image, GDIPCONST WCHAR* filename,
1075                                         GDIPCONST CLSID *clsidEncoder,
1076                                         GDIPCONST EncoderParameters *encoderParams)
1077 {
1078     GpStatus stat;
1079     IStream *stream;
1080
1081     TRACE("%p (%s) %p %p\n", image, debugstr_w(filename), clsidEncoder, encoderParams);
1082
1083     if (!image || !filename|| !clsidEncoder)
1084         return InvalidParameter;
1085
1086     if (!(image->picture))
1087         return InvalidParameter;
1088
1089     stat = GdipCreateStreamOnFile(filename, GENERIC_WRITE, &stream);
1090     if (stat != Ok)
1091         return GenericError;
1092
1093     stat = GdipSaveImageToStream(image, stream, clsidEncoder, encoderParams);
1094
1095     IStream_Release(stream);
1096     return stat;
1097 }
1098
1099 /*************************************************************************
1100  * Encoding functions -
1101  *   These functions encode an image in different image file formats.
1102  */
1103 #define BITMAP_FORMAT_BMP   0x4d42 /* "BM" */
1104 #define BITMAP_FORMAT_JPEG  0xd8ff
1105 #define BITMAP_FORMAT_GIF   0x4947
1106 #define BITMAP_FORMAT_PNG   0x5089
1107 #define BITMAP_FORMAT_APM   0xcdd7
1108
1109 static GpStatus encode_image_BMP(LPVOID bitmap_bits, LPBITMAPINFO bitmap_info,
1110                                  void **output, unsigned int *output_size)
1111 {
1112     int num_palette_entries;
1113     BITMAPFILEHEADER *bmp_file_hdr;
1114     BITMAPINFO *bmp_info_hdr;
1115
1116     if (bitmap_info->bmiHeader.biClrUsed) {
1117         num_palette_entries = bitmap_info->bmiHeader.biClrUsed;
1118         if (num_palette_entries > 256) num_palette_entries = 256;
1119     } else {
1120         if (bitmap_info->bmiHeader.biBitCount <= 8)
1121             num_palette_entries = 1 << bitmap_info->bmiHeader.biBitCount;
1122         else
1123             num_palette_entries = 0;
1124     }
1125
1126     *output_size =
1127         sizeof(BITMAPFILEHEADER) +
1128         sizeof(BITMAPINFOHEADER) +
1129         num_palette_entries * sizeof(RGBQUAD) +
1130         bitmap_info->bmiHeader.biSizeImage;
1131
1132     *output = GdipAlloc(*output_size);
1133
1134     bmp_file_hdr = (BITMAPFILEHEADER*) *output;
1135     bmp_file_hdr->bfType = BITMAP_FORMAT_BMP;
1136     bmp_file_hdr->bfSize = *output_size;
1137     bmp_file_hdr->bfOffBits =
1138         sizeof(BITMAPFILEHEADER) +
1139         sizeof(BITMAPINFOHEADER) +
1140         num_palette_entries * sizeof (RGBQUAD);
1141
1142     bmp_info_hdr = (BITMAPINFO*) ((unsigned char*)(*output) + sizeof(BITMAPFILEHEADER));
1143     memcpy(bmp_info_hdr, bitmap_info, sizeof(BITMAPINFOHEADER) + num_palette_entries * sizeof(RGBQUAD));
1144     memcpy((unsigned char *)(*output) +
1145            sizeof(BITMAPFILEHEADER) +
1146            sizeof(BITMAPINFOHEADER) +
1147            num_palette_entries * sizeof(RGBQUAD),
1148            bitmap_bits, bitmap_info->bmiHeader.biSizeImage);
1149
1150     return Ok;
1151 }
1152
1153 typedef GpStatus encode_image_func(LPVOID bitmap_bits, LPBITMAPINFO bitmap_info,
1154                                    void **output, unsigned int *output_size);
1155
1156 typedef enum {
1157     BMP,
1158     NUM_ENCODERS_SUPPORTED
1159 } ImageFormat;
1160
1161 static const ImageCodecInfo codecs[NUM_ENCODERS_SUPPORTED];
1162 static encode_image_func *const encode_image_funcs[NUM_ENCODERS_SUPPORTED] = {
1163     encode_image_BMP,
1164 };
1165
1166 /*****************************************************************************
1167  * GdipSaveImageToStream [GDIPLUS.@]
1168  */
1169 GpStatus WINGDIPAPI GdipSaveImageToStream(GpImage *image, IStream* stream,
1170     GDIPCONST CLSID* clsid, GDIPCONST EncoderParameters* params)
1171 {
1172     GpStatus stat;
1173     HRESULT hr;
1174     short type;
1175     HBITMAP hbmp;
1176     HBITMAP old_hbmp;
1177     HDC hdc;
1178     int bm_is_selected;
1179     BITMAPINFO bmp_info;
1180     LPVOID bmp_bits;
1181     encode_image_func* encode_image;
1182     LPVOID output;
1183     unsigned int output_size;
1184     unsigned int dummy;
1185     int i;
1186
1187     old_hbmp = 0;
1188     output = NULL;
1189     output_size = 0;
1190
1191     TRACE("%p %p %p %p\n", image, stream, clsid, params);
1192
1193     if(!image || !stream)
1194         return InvalidParameter;
1195
1196     if (!image->picture)
1197         return GenericError;
1198
1199     hr = IPicture_get_Type(image->picture, &type);
1200     if (FAILED(hr) || type != PICTYPE_BITMAP)
1201         return GenericError;
1202
1203     /* select correct encoder */
1204     encode_image = NULL;
1205     for (i = 0; i < NUM_ENCODERS_SUPPORTED; i++) {
1206         if (IsEqualCLSID(clsid, &codecs[i].Clsid))
1207             encode_image = encode_image_funcs[i];
1208     }
1209     if (encode_image == NULL)
1210         return UnknownImageFormat;
1211
1212     /* extract underlying hbitmap representation from the IPicture */
1213     hr = IPicture_get_Handle(image->picture, (OLE_HANDLE*)&hbmp);
1214     if (FAILED(hr) || !hbmp)
1215         return GenericError;
1216     hr = IPicture_get_CurDC(image->picture, &hdc);
1217     if (FAILED(hr))
1218         return GenericError;
1219     bm_is_selected = (hdc != 0);
1220     if (!bm_is_selected) {
1221         hdc = CreateCompatibleDC(0);
1222         old_hbmp = SelectObject(hdc, hbmp);
1223     }
1224
1225     /* get bits from HBITMAP */
1226     bmp_info.bmiHeader.biSize = sizeof(bmp_info.bmiHeader);
1227     bmp_info.bmiHeader.biBitCount = 0;
1228     GetDIBits(hdc, hbmp, 0, 0, NULL, &bmp_info, DIB_RGB_COLORS);
1229
1230     bmp_bits = GdipAlloc(bmp_info.bmiHeader.biSizeImage);
1231
1232     if (bmp_bits)
1233         GetDIBits(hdc, hbmp, 0, abs(bmp_info.bmiHeader.biHeight), bmp_bits, &bmp_info, DIB_RGB_COLORS);
1234
1235     if (!bm_is_selected) {
1236         SelectObject(hdc, old_hbmp);
1237         DeleteDC(hdc);
1238     }
1239
1240     if (!bmp_bits)
1241         return OutOfMemory;
1242
1243     stat = encode_image(bmp_bits, &bmp_info, &output, &output_size);
1244     if (stat == Ok)
1245         IStream_Write(stream, output, output_size, &dummy);
1246
1247     GdipFree(output);
1248     GdipFree(bmp_bits);
1249
1250     return stat;
1251 }
1252
1253 /*****************************************************************************
1254  * GdipSetImagePalette [GDIPLUS.@]
1255  */
1256 GpStatus WINGDIPAPI GdipSetImagePalette(GpImage *image,
1257     GDIPCONST ColorPalette *palette)
1258 {
1259     static int calls;
1260
1261     if(!image || !palette)
1262         return InvalidParameter;
1263
1264     if(!(calls++))
1265         FIXME("not implemented\n");
1266
1267     return NotImplemented;
1268 }
1269
1270 /*************************************************************************
1271  * Encoders -
1272  *   Structures that represent which formats we support for encoding.
1273  */
1274
1275 /* ImageCodecInfo creation routines taken from libgdiplus */
1276 static const WCHAR bmp_codecname[] = {'B', 'u', 'i','l', 't', '-','i', 'n', ' ', 'B', 'M', 'P', 0}; /* Built-in BMP */
1277 static const WCHAR bmp_extension[] = {'*','.','B', 'M', 'P',';', '*','.', 'D','I', 'B',';', '*','.', 'R', 'L', 'E',0}; /* *.BMP;*.DIB;*.RLE */
1278 static const WCHAR bmp_mimetype[] = {'i', 'm', 'a','g', 'e', '/', 'b', 'm', 'p', 0}; /* image/bmp */
1279 static const WCHAR bmp_format[] = {'B', 'M', 'P', 0}; /* BMP */
1280 static const BYTE bmp_sig_pattern[] = { 0x42, 0x4D };
1281 static const BYTE bmp_sig_mask[] = { 0xFF, 0xFF };
1282
1283 static const ImageCodecInfo codecs[NUM_ENCODERS_SUPPORTED] =
1284     {
1285         { /* BMP */
1286             /* Clsid */              { 0x557cf400, 0x1a04, 0x11d3, { 0x9a, 0x73, 0x0, 0x0, 0xf8, 0x1e, 0xf3, 0x2e } },
1287             /* FormatID */           { 0xb96b3cabU, 0x0728U, 0x11d3U, {0x9d, 0x7b, 0x00, 0x00, 0xf8, 0x1e, 0xf3, 0x2e} },
1288             /* CodecName */          bmp_codecname,
1289             /* DllName */            NULL,
1290             /* FormatDescription */  bmp_format,
1291             /* FilenameExtension */  bmp_extension,
1292             /* MimeType */           bmp_mimetype,
1293             /* Flags */              ImageCodecFlagsEncoder | ImageCodecFlagsDecoder | ImageCodecFlagsSupportBitmap | ImageCodecFlagsBuiltin,
1294             /* Version */            1,
1295             /* SigCount */           1,
1296             /* SigSize */            2,
1297             /* SigPattern */         bmp_sig_pattern,
1298             /* SigMask */            bmp_sig_mask,
1299         },
1300     };
1301
1302 /*****************************************************************************
1303  * GdipGetImageDecodersSize [GDIPLUS.@]
1304  */
1305 GpStatus WINGDIPAPI GdipGetImageDecodersSize(UINT *numDecoders, UINT *size)
1306 {
1307     FIXME("%p %p stub!\n", numDecoders, size);
1308
1309     if (!numDecoders || !size)
1310         return InvalidParameter;
1311
1312     *numDecoders = 0;
1313     *size = 0;
1314
1315     return Ok;
1316 }
1317
1318 /*****************************************************************************
1319  * GdipGetImageDecoders [GDIPLUS.@]
1320  */
1321 GpStatus WINGDIPAPI GdipGetImageDecoders(UINT numDecoders, UINT size, ImageCodecInfo *decoders)
1322 {
1323     FIXME("%u %u %p stub!\n", numDecoders, size, decoders);
1324
1325     if (!decoders)
1326         return GenericError;
1327
1328     return NotImplemented;
1329 }
1330
1331 /*****************************************************************************
1332  * GdipGetImageEncodersSize [GDIPLUS.@]
1333  */
1334 GpStatus WINGDIPAPI GdipGetImageEncodersSize(UINT *numEncoders, UINT *size)
1335 {
1336     TRACE("%p %p\n", numEncoders, size);
1337
1338     if (!numEncoders || !size)
1339         return InvalidParameter;
1340
1341     *numEncoders = NUM_ENCODERS_SUPPORTED;
1342     *size = sizeof (codecs);
1343
1344     return Ok;
1345 }
1346
1347 /*****************************************************************************
1348  * GdipGetImageEncoders [GDIPLUS.@]
1349  */
1350 GpStatus WINGDIPAPI GdipGetImageEncoders(UINT numEncoders, UINT size, ImageCodecInfo *encoders)
1351 {
1352     TRACE("%u %u %p\n", numEncoders, size, encoders);
1353
1354     if (!encoders ||
1355         (numEncoders != NUM_ENCODERS_SUPPORTED) ||
1356         (size != sizeof (codecs)))
1357         return GenericError;
1358
1359     memcpy(encoders, codecs, sizeof (codecs));
1360
1361     return Ok;
1362 }
1363
1364 /*****************************************************************************
1365  * GdipCreateBitmapFromHBITMAP [GDIPLUS.@]
1366  */
1367 GpStatus WINGDIPAPI GdipCreateBitmapFromHBITMAP(HBITMAP hbm, HPALETTE hpal, GpBitmap** bitmap)
1368 {
1369     BITMAP bm;
1370     GpStatus retval;
1371     PixelFormat format;
1372
1373     TRACE("%p %p %p\n", hbm, hpal, bitmap);
1374
1375     if(!hbm || !bitmap)
1376         return InvalidParameter;
1377
1378     /* TODO: Support for device-dependent bitmaps */
1379     if(hpal){
1380         FIXME("no support for device-dependent bitmaps\n");
1381         return NotImplemented;
1382     }
1383
1384     if (GetObjectA(hbm, sizeof(bm), &bm) != sizeof(bm))
1385             return InvalidParameter;
1386
1387     /* TODO: Figure out the correct format for 16, 32, 64 bpp */
1388     switch(bm.bmBitsPixel) {
1389         case 1:
1390             format = PixelFormat1bppIndexed;
1391             break;
1392         case 4:
1393             format = PixelFormat4bppIndexed;
1394             break;
1395         case 8:
1396             format = PixelFormat8bppIndexed;
1397             break;
1398         case 24:
1399             format = PixelFormat24bppRGB;
1400             break;
1401         case 32:
1402             format = PixelFormat32bppRGB;
1403             break;
1404         case 48:
1405             format = PixelFormat48bppRGB;
1406             break;
1407         default:
1408             FIXME("don't know how to handle %d bpp\n", bm.bmBitsPixel);
1409             return InvalidParameter;
1410     }
1411
1412     retval = GdipCreateBitmapFromScan0(bm.bmWidth, bm.bmHeight, bm.bmWidthBytes,
1413         format, bm.bmBits, bitmap);
1414
1415     return retval;
1416 }
1417
1418 /*****************************************************************************
1419  * GdipSetEffectParameters [GDIPLUS.@]
1420  */
1421 GpStatus WINGDIPAPI GdipSetEffectParameters(CGpEffect *effect,
1422     const VOID *params, const UINT size)
1423 {
1424     static int calls;
1425
1426     if(!(calls++))
1427         FIXME("not implemented\n");
1428
1429     return NotImplemented;
1430 }
1431
1432 /*****************************************************************************
1433  * GdipGetImageFlags [GDIPLUS.@]
1434  */
1435 GpStatus WINGDIPAPI GdipGetImageFlags(GpImage *image, UINT *flags)
1436 {
1437     TRACE("%p %p\n", image, flags);
1438
1439     if(!image || !flags)
1440         return InvalidParameter;
1441
1442     *flags = image->flags;
1443
1444     return Ok;
1445 }
1446
1447 GpStatus WINGDIPAPI GdipTestControl(GpTestControlEnum control, void *param)
1448 {
1449     TRACE("(%d, %p)\n", control, param);
1450
1451     switch(control){
1452         case TestControlForceBilinear:
1453             if(param)
1454                 FIXME("TestControlForceBilinear not handled\n");
1455             break;
1456         case TestControlNoICM:
1457             if(param)
1458                 FIXME("TestControlNoICM not handled\n");
1459             break;
1460         case TestControlGetBuildNumber:
1461             *((DWORD*)param) = 3102;
1462             break;
1463     }
1464
1465     return Ok;
1466 }
1467
1468 GpStatus WINGDIPAPI GdipRecordMetafileFileName(GDIPCONST WCHAR* fileName,
1469                             HDC hdc, EmfType type, GDIPCONST GpRectF *pFrameRect,
1470                             MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc,
1471                             GpMetafile **metafile)
1472 {
1473     FIXME("%s %p %d %p %d %s %p stub!\n", debugstr_w(fileName), hdc, type, pFrameRect,
1474                                  frameUnit, debugstr_w(desc), metafile);
1475
1476     return NotImplemented;
1477 }
1478
1479 GpStatus WINGDIPAPI GdipRecordMetafileFileNameI(GDIPCONST WCHAR* fileName, HDC hdc, EmfType type,
1480                             GDIPCONST GpRect *pFrameRect, MetafileFrameUnit frameUnit,
1481                             GDIPCONST WCHAR *desc, GpMetafile **metafile)
1482 {
1483     FIXME("%s %p %d %p %d %s %p stub!\n", debugstr_w(fileName), hdc, type, pFrameRect,
1484                                  frameUnit, debugstr_w(desc), metafile);
1485
1486     return NotImplemented;
1487 }