winex11: Add an implementation for the GetImage entry point.
This commit is contained in:
Alexandre Julliard
parent
79d3f29061
commit
e6fcbc543e
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@ -1,7 +1,7 @@
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/*
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* GDI bit-blit operations
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*
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* Copyright 1993, 1994 Alexandre Julliard
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* Copyright 1993, 1994, 2011 Alexandre Julliard
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* Copyright 2006 Damjan Jovanovic
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*
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* This library is free software; you can redistribute it and/or
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@ -1547,3 +1547,173 @@ BOOL X11DRV_AlphaBlend( PHYSDEV dst_dev, struct bitblt_coords *dst,
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return XRender_AlphaBlend( physDevDst, dst, physDevSrc, src, blendfn );
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}
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static void free_heap_bits( struct gdi_image_bits *bits )
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{
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HeapFree( GetProcessHeap(), 0, bits->ptr );
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}
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static void free_ximage_bits( struct gdi_image_bits *bits )
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{
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wine_tsx11_lock();
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XFree( bits->ptr );
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wine_tsx11_unlock();
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}
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/* store the palette or color mask data in the bitmap info structure */
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static void set_color_info( const ColorShifts *color_shifts, BITMAPINFO *info )
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{
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DWORD *colors = (DWORD *)((char *)info + info->bmiHeader.biSize);
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switch (info->bmiHeader.biBitCount)
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{
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case 1:
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case 4:
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case 8:
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info->bmiHeader.biCompression = BI_RGB;
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/* FIXME: set color palette */
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break;
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case 16:
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case 32:
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info->bmiHeader.biCompression = BI_BITFIELDS;
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colors[0] = color_shifts->logicalRed.max << color_shifts->logicalRed.shift;
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colors[1] = color_shifts->logicalGreen.max << color_shifts->logicalGreen.shift;
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colors[2] = color_shifts->logicalBlue.max << color_shifts->logicalBlue.shift;
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break;
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case 24:
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info->bmiHeader.biCompression = BI_RGB;
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break;
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}
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}
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/***********************************************************************
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* X11DRV_GetImage
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*/
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DWORD X11DRV_GetImage( PHYSDEV dev, HBITMAP hbitmap, BITMAPINFO *info,
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struct gdi_image_bits *bits, const RECT *rect )
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{
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X11DRV_PDEVICE *physdev;
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X_PHYSBITMAP *bitmap;
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DWORD ret = ERROR_SUCCESS;
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XImage *image;
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UINT i, align, x, y, width, height;
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int depth;
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const XPixmapFormatValues *format;
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const ColorShifts *color_shifts;
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if (hbitmap)
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{
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if (!(bitmap = X11DRV_get_phys_bitmap( hbitmap ))) return ERROR_INVALID_HANDLE;
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physdev = NULL;
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depth = bitmap->pixmap_depth;
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color_shifts = &bitmap->pixmap_color_shifts;
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}
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else
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{
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physdev = get_x11drv_dev( dev );
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bitmap = NULL;
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depth = physdev->depth;
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color_shifts = physdev->color_shifts;
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}
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format = pixmap_formats[depth];
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/* align start and width to 32-bit boundary */
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switch (format->bits_per_pixel)
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{
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case 1: align = 32; break;
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case 4: align = 8; break;
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case 8: align = 4; break;
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case 16: align = 2; break;
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case 24: align = 4; break;
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case 32: align = 1; break;
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default:
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FIXME( "depth %u bpp %u not supported yet\n", depth, format->bits_per_pixel );
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return ERROR_BAD_FORMAT;
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}
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bits->offset = rect->left & (align - 1);
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x = rect->left - bits->offset;
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y = rect->top;
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width = rect->right - x;
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height = rect->bottom - rect->top;
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if (format->scanline_pad != 32) width = (width + (align - 1)) & ~(align - 1);
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if (bitmap)
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{
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BITMAP bm;
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GetObjectW( hbitmap, sizeof(bm), &bm );
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width = min( width, bm.bmWidth - x );
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height = min( height, bm.bmHeight - y );
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wine_tsx11_lock();
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image = XGetImage( gdi_display, bitmap->pixmap, x, y, width, height, AllPlanes, ZPixmap );
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wine_tsx11_unlock();
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}
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else if (GetObjectType( dev->hdc ) == OBJ_MEMDC)
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{
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X11DRV_LockDIBSection( physdev, DIB_Status_GdiMod );
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width = min( width, physdev->dc_rect.right - physdev->dc_rect.left - x );
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height = min( height, physdev->dc_rect.bottom - physdev->dc_rect.top - y );
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wine_tsx11_lock();
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image = XGetImage( gdi_display, physdev->drawable,
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physdev->dc_rect.left + x, physdev->dc_rect.top + y,
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width, height, AllPlanes, ZPixmap );
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wine_tsx11_unlock();
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X11DRV_UnlockDIBSection( physdev, FALSE );
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}
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else
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{
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Pixmap pixmap;
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wine_tsx11_lock();
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/* use a temporary pixmap to avoid BadMatch errors */
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pixmap = XCreatePixmap( gdi_display, root_window, width, height, depth );
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XCopyArea( gdi_display, physdev->drawable, pixmap, get_bitmap_gc(depth),
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physdev->dc_rect.left + x, physdev->dc_rect.top + y, width, height, 0, 0 );
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image = XGetImage( gdi_display, pixmap, 0, 0, width, height, AllPlanes, ZPixmap );
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XFreePixmap( gdi_display, pixmap );
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wine_tsx11_unlock();
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}
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if (!image) return ERROR_OUTOFMEMORY;
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info->bmiHeader.biSize = sizeof(info->bmiHeader);
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info->bmiHeader.biWidth = width;
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info->bmiHeader.biHeight = -height;
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info->bmiHeader.biPlanes = 1;
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info->bmiHeader.biBitCount = image->bits_per_pixel;
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info->bmiHeader.biSizeImage = height * image->bytes_per_line;
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info->bmiHeader.biXPelsPerMeter = 0;
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info->bmiHeader.biYPelsPerMeter = 0;
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info->bmiHeader.biClrUsed = 0;
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info->bmiHeader.biClrImportant = 0;
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set_color_info( color_shifts, info );
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/* check if we need to copy the bits */
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if (image->bytes_per_line & 3)
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{
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UINT width_bytes = (image->bytes_per_line + 3) & ~3;
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info->bmiHeader.biSizeImage = height * width_bytes;
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if ((bits->ptr = HeapAlloc( GetProcessHeap(), 0, info->bmiHeader.biSizeImage )))
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{
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bits->is_copy = TRUE;
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bits->free = free_heap_bits;
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for (i = 0; i < height; i++)
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memcpy( (char *)bits->ptr + i * width_bytes,
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(char *)image->data + i * image->bytes_per_line,
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image->bytes_per_line );
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/* FIXME: byte swapping */
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}
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else ret = ERROR_OUTOFMEMORY;
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}
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else
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{
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bits->ptr = image->data;
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bits->is_copy = TRUE;
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bits->free = free_ximage_bits;
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image->data = NULL;
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}
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wine_tsx11_lock();
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XDestroyImage( image );
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wine_tsx11_unlock();
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return ret;
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}
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@ -486,7 +486,7 @@ static const struct gdi_dc_funcs x11drv_funcs =
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X11DRV_GetDeviceCaps, /* pGetDeviceCaps */
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X11DRV_GetDeviceGammaRamp, /* pGetDeviceGammaRamp */
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X11DRV_GetICMProfile, /* pGetICMProfile */
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NULL, /* pGetImage */
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X11DRV_GetImage, /* pGetImage */
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X11DRV_GetNearestColor, /* pGetNearestColor */
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X11DRV_GetPixel, /* pGetPixel */
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X11DRV_GetPixelFormat, /* pGetPixelFormat */
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@ -204,6 +204,8 @@ extern BOOL X11DRV_GetDeviceGammaRamp( PHYSDEV dev, LPVOID ramp ) DECLSPEC_HIDDE
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extern INT X11DRV_GetDIBits( PHYSDEV dev, HBITMAP hbitmap, UINT startscan, UINT lines,
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LPVOID bits, BITMAPINFO *info, UINT coloruse ) DECLSPEC_HIDDEN;
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extern BOOL X11DRV_GetICMProfile( PHYSDEV dev, LPDWORD size, LPWSTR filename ) DECLSPEC_HIDDEN;
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extern DWORD X11DRV_GetImage( PHYSDEV dev, HBITMAP hbitmap, BITMAPINFO *info,
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struct gdi_image_bits *bits, const RECT *rect ) DECLSPEC_HIDDEN;
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extern COLORREF X11DRV_GetNearestColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN;
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extern COLORREF X11DRV_GetPixel( PHYSDEV dev, INT x, INT y) DECLSPEC_HIDDEN;
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extern UINT X11DRV_GetSystemPaletteEntries( PHYSDEV dev, UINT start, UINT count, LPPALETTEENTRY entries ) DECLSPEC_HIDDEN;
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