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gdi32: Add a SetDIBitsToDevice implementation in the null driver using PutImage.

This commit is contained in:
Alexandre Julliard 2011-09-06 13:27:03 +02:00
parent 650e000bc9
commit 6f275874f3
4 changed files with 109 additions and 7 deletions
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101
dlls/gdi32/dib.c
View File

@ -610,6 +610,107 @@ done:
}
INT nulldrv_SetDIBitsToDevice( PHYSDEV dev, INT x_dst, INT y_dst, DWORD cx, DWORD cy,
INT x_src, INT y_src, UINT startscan, UINT lines,
const void *bits, BITMAPINFO *src_info, UINT coloruse )
{
DC *dc = get_nulldrv_dc( dev );
char dst_buffer[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
BITMAPINFO *dst_info = (BITMAPINFO *)dst_buffer;
struct bitblt_coords src, dst;
struct gdi_image_bits src_bits;
DWORD err;
UINT height;
BOOL top_down;
POINT pt;
RECT rect;
top_down = (src_info->bmiHeader.biHeight < 0);
height = abs( src_info->bmiHeader.biHeight );
src_bits.ptr = (void *)bits;
src_bits.is_copy = FALSE;
src_bits.free = NULL;
if (coloruse == DIB_PAL_COLORS && !fill_color_table_from_palette( src_info, dev->hdc )) return 0;
if (!lines || (startscan >= height)) return 0;
if (!top_down && lines > height - startscan) lines = height - startscan;
/* map src to top-down coordinates with startscan as origin */
src.x = x_src;
src.y = startscan + lines - (y_src + cy);
src.width = cx;
src.height = cy;
if (src.y > 0)
{
if (!top_down)
{
/* get rid of unnecessary lines */
if (src.y >= lines) return 0;
lines -= src.y;
src.y = 0;
}
else if (src.y >= lines) return lines;
}
src_info->bmiHeader.biHeight = top_down ? -lines : lines;
src.visrect.left = src.x;
src.visrect.top = src.y;
src.visrect.right = src.x + cx;
src.visrect.bottom = src.y + cy;
rect.left = 0;
rect.top = 0;
rect.right = src_info->bmiHeader.biWidth;
rect.bottom = abs( src_info->bmiHeader.biHeight );
if (!intersect_rect( &src.visrect, &src.visrect, &rect )) return 0;
pt.x = x_dst;
pt.y = y_dst;
LPtoDP( dev->hdc, &pt, 1 );
dst.x = pt.x;
dst.y = pt.y;
dst.width = cx;
dst.height = cy;
if (GetLayout( dev->hdc ) & LAYOUT_RTL) dst.x -= cx - 1;
dst.visrect.left = dst.x;
dst.visrect.top = dst.y;
dst.visrect.right = dst.x + cx;
dst.visrect.bottom = dst.y + cy;
if (get_clip_box( dc, &rect )) intersect_rect( &dst.visrect, &dst.visrect, &rect );
offset_rect( &src.visrect, dst.x - src.x, dst.y - src.y );
intersect_rect( &rect, &src.visrect, &dst.visrect );
src.visrect = dst.visrect = rect;
offset_rect( &src.visrect, src.x - dst.x, src.y - dst.y );
if (is_rect_empty( &dst.visrect )) return lines;
dev = GET_DC_PHYSDEV( dc, pPutImage );
memcpy( dst_info, src_info, FIELD_OFFSET( BITMAPINFO, bmiColors[256] ));
err = dev->funcs->pPutImage( dev, 0, 0, dst_info, &src_bits, &src, &dst, SRCCOPY );
if (err == ERROR_BAD_FORMAT)
{
void *ptr;
dst_info->bmiHeader.biWidth = src.visrect.right - src.visrect.left;
ptr = HeapAlloc( GetProcessHeap(), 0, get_dib_image_size( dst_info ));
if (ptr)
{
err = convert_bitmapinfo( src_info, src_bits.ptr, &src, dst_info, ptr );
if (src_bits.free) src_bits.free( &src_bits );
src_bits.ptr = ptr;
src_bits.is_copy = TRUE;
src_bits.free = free_heap_bits;
if (!err) err = dev->funcs->pPutImage( dev, 0, 0, dst_info, &src_bits, &src, &dst, SRCCOPY );
}
else err = ERROR_OUTOFMEMORY;
}
if (err) lines = 0;
if (src_bits.free) src_bits.free( &src_bits );
return lines;
}
/***********************************************************************
* SetDIBitsToDevice (GDI32.@)
*/

7
dlls/gdi32/driver.c
View File

@ -502,13 +502,6 @@ static UINT nulldrv_SetDIBColorTable( PHYSDEV dev, UINT pos, UINT count, const R
return 0;
}
static INT nulldrv_SetDIBitsToDevice( PHYSDEV dev, INT x_dst, INT y_dst, DWORD width, DWORD height,
INT x_src, INT y_src, UINT start, UINT lines,
const void *bits, BITMAPINFO *info, UINT coloruse )
{
return 0;
}
static void nulldrv_SetDeviceClipping( PHYSDEV dev, HRGN vis_rgn, HRGN clip_rgn )
{
}

3
dlls/gdi32/gdi_private.h
View File

@ -499,6 +499,9 @@ extern INT nulldrv_SaveDC( PHYSDEV dev ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_ScaleViewportExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_ScaleWindowExtEx( PHYSDEV dev, INT x_num, INT x_denom, INT y_num, INT y_denom, SIZE *size ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_SelectClipPath( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
extern INT nulldrv_SetDIBitsToDevice( PHYSDEV dev, INT x_dst, INT y_dst, DWORD width, DWORD height,
INT x_src, INT y_src, UINT start, UINT lines,
const void *bits, BITMAPINFO *info, UINT coloruse ) DECLSPEC_HIDDEN;
extern INT nulldrv_SetMapMode( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_SetViewportExtEx( PHYSDEV dev, INT cx, INT cy, SIZE *size ) DECLSPEC_HIDDEN;
extern BOOL nulldrv_SetViewportOrgEx( PHYSDEV dev, INT x, INT y, POINT *pt ) DECLSPEC_HIDDEN;

5
dlls/gdi32/tests/bitmap.c
View File

@ -4265,6 +4265,11 @@ static void test_SetDIBitsToDevice(void)
for (i = 0; i < 64; i++) ok( dib_bits[i] == 0xaaaaaaaa, "%d: got %08x\n", i, dib_bits[i] );
memset( dib_bits, 0xaa, 64 * 4 );
ret = SetDIBitsToDevice( hdc, 0, 2, 8, 4, 0, -1, 3, 12, data, info, DIB_RGB_COLORS );
ok( ret == 0, "got %d\n", ret );
for (i = 0; i < 64; i++) ok( dib_bits[i] == 0xaaaaaaaa, "%d: got %08x\n", i, dib_bits[i] );
memset( dib_bits, 0xaa, 64 * 4 );
SetMapMode( hdc, MM_ANISOTROPIC );
SetWindowExtEx( hdc, 3, 3, NULL );
ret = SetDIBitsToDevice( hdc, 2, 2, 2, 2, 1, 2, 1, 5, data, info, DIB_RGB_COLORS );