mirror of
git://source.winehq.org/git/wine.git
synced 2024-10-31 12:19:49 +00:00
278 lines
9.2 KiB
C
278 lines
9.2 KiB
C
/*
|
|
* PostScript driver bitmap functions
|
|
*
|
|
* Copyright 1998 Huw D M Davies
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#include <assert.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "psdrv.h"
|
|
#include "winbase.h"
|
|
#include "wine/debug.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(psdrv);
|
|
|
|
|
|
/* Return the width of a DIB bitmap in bytes. DIB bitmap data is 32-bit aligned. */
|
|
static inline int get_dib_width_bytes( int width, int depth )
|
|
{
|
|
return ((width * depth + 31) / 8) & ~3;
|
|
}
|
|
|
|
|
|
/***************************************************************************
|
|
* PSDRV_WriteImageHeader
|
|
*
|
|
* Helper for PSDRV_PutImage
|
|
*
|
|
* BUGS
|
|
* Uses level 2 PostScript
|
|
*/
|
|
|
|
static BOOL PSDRV_WriteImageHeader(PHYSDEV dev, const BITMAPINFO *info, INT xDst,
|
|
INT yDst, INT widthDst, INT heightDst,
|
|
INT widthSrc, INT heightSrc)
|
|
{
|
|
switch(info->bmiHeader.biBitCount)
|
|
{
|
|
case 1:
|
|
case 4:
|
|
case 8:
|
|
PSDRV_WriteIndexColorSpaceBegin(dev, (1 << info->bmiHeader.biBitCount) - 1);
|
|
PSDRV_WriteRGBQUAD(dev, info->bmiColors, 1 << info->bmiHeader.biBitCount);
|
|
PSDRV_WriteIndexColorSpaceEnd(dev);
|
|
break;
|
|
|
|
case 16:
|
|
case 24:
|
|
case 32:
|
|
{
|
|
PSCOLOR pscol;
|
|
pscol.type = PSCOLOR_RGB;
|
|
pscol.value.rgb.r = pscol.value.rgb.g = pscol.value.rgb.b = 0.0;
|
|
PSDRV_WriteSetColor(dev, &pscol);
|
|
break;
|
|
}
|
|
}
|
|
|
|
PSDRV_WriteImage(dev, info->bmiHeader.biBitCount, xDst, yDst,
|
|
widthDst, heightDst, widthSrc, heightSrc, FALSE, info->bmiHeader.biHeight < 0);
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***************************************************************************
|
|
* PSDRV_WriteImageMaskHeader
|
|
*
|
|
* Helper for PSDRV_PutImage
|
|
*
|
|
* We use the imagemask operator for 1bpp bitmaps since the output
|
|
* takes much less time for the printer to render.
|
|
*
|
|
* BUGS
|
|
* Uses level 2 PostScript
|
|
*/
|
|
|
|
static BOOL PSDRV_WriteImageMaskHeader(PHYSDEV dev, const BITMAPINFO *info, INT xDst,
|
|
INT yDst, INT widthDst, INT heightDst,
|
|
INT widthSrc, INT heightSrc)
|
|
{
|
|
PSCOLOR bkgnd, foregnd;
|
|
|
|
assert(info->bmiHeader.biBitCount == 1);
|
|
|
|
/* We'll write the mask with -ve polarity so that
|
|
the foregnd color corresponds to a bit equal to
|
|
0 in the bitmap.
|
|
*/
|
|
PSDRV_CreateColor(dev, &foregnd, RGB(info->bmiColors[0].rgbRed,
|
|
info->bmiColors[0].rgbGreen,
|
|
info->bmiColors[0].rgbBlue) );
|
|
PSDRV_CreateColor(dev, &bkgnd, RGB(info->bmiColors[1].rgbRed,
|
|
info->bmiColors[1].rgbGreen,
|
|
info->bmiColors[1].rgbBlue) );
|
|
|
|
PSDRV_WriteGSave(dev);
|
|
PSDRV_WriteNewPath(dev);
|
|
PSDRV_WriteRectangle(dev, xDst, yDst, widthDst, heightDst);
|
|
PSDRV_WriteSetColor(dev, &bkgnd);
|
|
PSDRV_WriteFill(dev);
|
|
PSDRV_WriteGRestore(dev);
|
|
|
|
PSDRV_WriteSetColor(dev, &foregnd);
|
|
PSDRV_WriteImage(dev, 1, xDst, yDst, widthDst, heightDst,
|
|
widthSrc, heightSrc, TRUE, info->bmiHeader.biHeight < 0);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static inline DWORD max_rle_size(DWORD size)
|
|
{
|
|
return size + (size + 127) / 128 + 1;
|
|
}
|
|
|
|
static inline DWORD max_ascii85_size(DWORD size)
|
|
{
|
|
return (size + 3) / 4 * 5;
|
|
}
|
|
|
|
static void free_heap_bits( struct gdi_image_bits *bits )
|
|
{
|
|
HeapFree( GetProcessHeap(), 0, bits->ptr );
|
|
}
|
|
|
|
/***************************************************************************
|
|
* PSDRV_WriteImageBits
|
|
*/
|
|
static void PSDRV_WriteImageBits( PHYSDEV dev, const BITMAPINFO *info, INT xDst, INT yDst,
|
|
INT widthDst, INT heightDst, INT widthSrc, INT heightSrc,
|
|
void *bits, DWORD size )
|
|
{
|
|
BYTE *rle, *ascii85;
|
|
DWORD rle_len, ascii85_len;
|
|
|
|
if (info->bmiHeader.biBitCount == 1)
|
|
/* Use imagemask rather than image */
|
|
PSDRV_WriteImageMaskHeader(dev, info, xDst, yDst, widthDst, heightDst,
|
|
widthSrc, heightSrc);
|
|
else
|
|
PSDRV_WriteImageHeader(dev, info, xDst, yDst, widthDst, heightDst,
|
|
widthSrc, heightSrc);
|
|
|
|
rle = HeapAlloc(GetProcessHeap(), 0, max_rle_size(size));
|
|
rle_len = RLE_encode(bits, size, rle);
|
|
ascii85 = HeapAlloc(GetProcessHeap(), 0, max_ascii85_size(rle_len));
|
|
ascii85_len = ASCII85_encode(rle, rle_len, ascii85);
|
|
HeapFree(GetProcessHeap(), 0, rle);
|
|
PSDRV_WriteData(dev, ascii85, ascii85_len);
|
|
PSDRV_WriteSpool(dev, "~>\n", 3);
|
|
HeapFree(GetProcessHeap(), 0, ascii85);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PSDRV_PutImage
|
|
*/
|
|
DWORD PSDRV_PutImage( PHYSDEV dev, HBITMAP hbitmap, HRGN clip, BITMAPINFO *info,
|
|
const struct gdi_image_bits *bits, struct bitblt_coords *src,
|
|
struct bitblt_coords *dst, DWORD rop )
|
|
{
|
|
int src_stride, dst_stride, size, x, y, width, height, bit_offset;
|
|
int dst_x, dst_y, dst_width, dst_height;
|
|
unsigned char *src_ptr, *dst_ptr;
|
|
struct gdi_image_bits dst_bits;
|
|
|
|
if (hbitmap) return ERROR_NOT_SUPPORTED;
|
|
|
|
if (info->bmiHeader.biPlanes != 1) goto update_format;
|
|
if (info->bmiHeader.biCompression != BI_RGB) goto update_format;
|
|
if (info->bmiHeader.biBitCount == 16 || info->bmiHeader.biBitCount == 32) goto update_format;
|
|
if (!bits) return ERROR_SUCCESS; /* just querying the format */
|
|
|
|
TRACE( "bpp %u %s -> %s\n", info->bmiHeader.biBitCount, wine_dbgstr_rect(&src->visrect),
|
|
wine_dbgstr_rect(&dst->visrect) );
|
|
|
|
width = src->visrect.right - src->visrect.left;
|
|
height = src->visrect.bottom - src->visrect.top;
|
|
src_stride = get_dib_width_bytes( info->bmiHeader.biWidth, info->bmiHeader.biBitCount );
|
|
dst_stride = (width * info->bmiHeader.biBitCount + 7) / 8;
|
|
|
|
src_ptr = bits->ptr;
|
|
if (info->bmiHeader.biHeight > 0)
|
|
src_ptr += (info->bmiHeader.biHeight - src->visrect.bottom) * src_stride;
|
|
else
|
|
src_ptr += src->visrect.top * src_stride;
|
|
bit_offset = src->visrect.left * info->bmiHeader.biBitCount;
|
|
src_ptr += bit_offset / 8;
|
|
bit_offset &= 7;
|
|
if (bit_offset) FIXME( "pos %s not supported\n", wine_dbgstr_rect(&src->visrect) );
|
|
size = height * dst_stride;
|
|
|
|
if (src_stride != dst_stride || (info->bmiHeader.biBitCount == 24 && !bits->is_copy))
|
|
{
|
|
if (!(dst_bits.ptr = HeapAlloc( GetProcessHeap(), 0, size ))) return ERROR_OUTOFMEMORY;
|
|
dst_bits.is_copy = TRUE;
|
|
dst_bits.free = free_heap_bits;
|
|
}
|
|
else
|
|
{
|
|
dst_bits.ptr = src_ptr;
|
|
dst_bits.is_copy = bits->is_copy;
|
|
dst_bits.free = NULL;
|
|
}
|
|
dst_ptr = dst_bits.ptr;
|
|
|
|
switch (info->bmiHeader.biBitCount)
|
|
{
|
|
case 1:
|
|
case 4:
|
|
case 8:
|
|
if (src_stride != dst_stride)
|
|
for (y = 0; y < height; y++, src_ptr += src_stride, dst_ptr += dst_stride)
|
|
memcpy( dst_ptr, src_ptr, dst_stride );
|
|
break;
|
|
case 24:
|
|
if (dst_ptr != src_ptr)
|
|
for (y = 0; y < height; y++, src_ptr += src_stride, dst_ptr += dst_stride)
|
|
for (x = 0; x < width; x++)
|
|
{
|
|
dst_ptr[x * 3] = src_ptr[x * 3 + 2];
|
|
dst_ptr[x * 3 + 1] = src_ptr[x * 3 + 1];
|
|
dst_ptr[x * 3 + 2] = src_ptr[x * 3];
|
|
}
|
|
else /* swap R and B in place */
|
|
for (y = 0; y < height; y++, src_ptr += src_stride, dst_ptr += dst_stride)
|
|
for (x = 0; x < width; x++)
|
|
{
|
|
unsigned char tmp = dst_ptr[x * 3];
|
|
dst_ptr[x * 3] = dst_ptr[x * 3 + 2];
|
|
dst_ptr[x * 3 + 2] = tmp;
|
|
}
|
|
break;
|
|
}
|
|
|
|
dst_x = dst->visrect.left;
|
|
dst_y = dst->visrect.top,
|
|
dst_width = dst->visrect.right - dst->visrect.left;
|
|
dst_height = dst->visrect.bottom - dst->visrect.top;
|
|
if (src->width * dst->width < 0)
|
|
{
|
|
dst_x += dst_width;
|
|
dst_width = -dst_width;
|
|
}
|
|
if (src->height * dst->height < 0)
|
|
{
|
|
dst_y += dst_height;
|
|
dst_height = -dst_height;
|
|
}
|
|
|
|
PSDRV_SetClip(dev);
|
|
PSDRV_WriteGSave(dev);
|
|
if (clip) PSDRV_AddClip( dev, clip );
|
|
PSDRV_WriteImageBits( dev, info, dst_x, dst_y, dst_width, dst_height,
|
|
width, height, dst_bits.ptr, size );
|
|
PSDRV_WriteGRestore(dev);
|
|
PSDRV_ResetClip(dev);
|
|
if (dst_bits.free) dst_bits.free( &dst_bits );
|
|
return ERROR_SUCCESS;
|
|
|
|
update_format:
|
|
info->bmiHeader.biPlanes = 1;
|
|
if (info->bmiHeader.biBitCount > 8) info->bmiHeader.biBitCount = 24;
|
|
info->bmiHeader.biCompression = BI_RGB;
|
|
return ERROR_BAD_FORMAT;
|
|
}
|