Skip to content

W
wine-cw
Commit e5a6049b authored by Huw D M Davies's avatar Huw D M Davies Committed by Alexandre Julliard
Browse files
Options

Fixes several problems with SetDIBitsToDevice if xSrc != 0.

Thanks to Ian Schmidt for the logs.
parent 47e2b852
Hide whitespace changes
Inline Side-by-side
Showing with 108 additions and 78 deletions
graphics/x11drv/dib.c
View file @ e5a6049b
......@@ -18,7 +18,7 @@
#include "dc.h"
#include "color.h"
#include "callback.h"
#include "xmalloc.h" /* for XCREATEIMAGE macro */
#include "xmalloc.h"
static int bitmapDepthTable[] = { 8, 1, 32, 16, 24, 15, 4, 0 };
static int ximageDepthTable[] = { 0, 0, 0, 0, 0, 0, 0 };
......@@ -166,13 +166,18 @@ int X11DRV_DIB_MapColor( int *physMap, int nPhysMap, int phys )
static void X11DRV_DIB_SetImageBits_1_Line(DWORD dstwidth, int left, int *colors,
XImage *bmpImage, int h, const BYTE *bits)
{
BYTE pix;
BYTE pix, extra;
DWORD i, x;
dstwidth += left; bits += left >> 3;
if((extra = (left & 7)) != 0) {
left &= ~7;
dstwidth += extra;
}
bits += left >> 3;
/* FIXME: should avoid putting x<left pixels (minor speed issue) */
for (i = dstwidth/8, x = left&~7; (i > 0); i--)
for (i = dstwidth/8, x = left; i > 0; i--)
{
pix = *bits++;
XPutPixel( bmpImage, x++, h, colors[pix >> 7] );
......@@ -244,12 +249,14 @@ static void X11DRV_DIB_SetImageBits_4( int lines, const BYTE *srcbits,
/* 32 bit aligned */
DWORD linebytes = ((srcwidth+7)&~7)/2;
dstwidth += left;
if(left & 1) {
left--;
dstwidth++;
}
/* FIXME: should avoid putting x<left pixels (minor speed issue) */
if (lines > 0) {
for (h = lines-1; h >= 0; h--) {
for (i = dstwidth/2, x = left&~1; i > 0; i--) {
for (i = dstwidth/2, x = left; i > 0; i--) {
BYTE pix = *bits++;
XPutPixel( bmpImage, x++, h, colors[pix >> 4] );
XPutPixel( bmpImage, x++, h, colors[pix & 0x0f] );
......@@ -261,7 +268,7 @@ static void X11DRV_DIB_SetImageBits_4( int lines, const BYTE *srcbits,
} else {
lines = -lines;
for (h = 0; h < lines; h++) {
for (i = dstwidth/2, x = left&~1; i > 0; i--) {
for (i = dstwidth/2, x = left; i > 0; i--) {
BYTE pix = *bits++;
XPutPixel( bmpImage, x++, h, colors[pix >> 4] );
XPutPixel( bmpImage, x++, h, colors[pix & 0x0f] );
......@@ -291,12 +298,15 @@ static void X11DRV_DIB_GetImageBits_4( int lines, BYTE *srcbits,
/* 32 bit aligned */
DWORD linebytes = ((srcwidth+7)&~7)/2;
dstwidth += left;
if(left & 1) {
left--;
dstwidth++;
}
/* FIXME: should avoid putting x<left pixels (minor speed issue) */
if (lines > 0) {
for (h = lines-1; h >= 0; h--) {
for (i = dstwidth/2, x = left&~1; i > 0; i--) {
for (i = dstwidth/2, x = left; i > 0; i--) {
*bits++ = (X11DRV_DIB_MapColor( colors, nColors,
XGetPixel( bmpImage, x++, h )) << 4)
| (X11DRV_DIB_MapColor( colors, nColors,
......@@ -311,7 +321,7 @@ static void X11DRV_DIB_GetImageBits_4( int lines, BYTE *srcbits,
} else {
lines = -lines;
for (h = 0; h < lines; h++) {
for (i = dstwidth/2, x = left&~1; i > 0; i--) {
for (i = dstwidth/2, x = left; i > 0; i--) {
*bits++ = (X11DRV_DIB_MapColor( colors, nColors,
XGetPixel( bmpImage, x++, h ))
<< 4)
......@@ -327,78 +337,90 @@ static void X11DRV_DIB_GetImageBits_4( int lines, BYTE *srcbits,
}
}
#define check_xy(x,y) \
if (x > width) { \
x = 0; \
if (lines) \
lines--; \
}
/***********************************************************************
* X11DRV_DIB_SetImageBits_RLE4
*
* SetDIBits for a 4-bit deep compressed DIB.
*/
static void X11DRV_DIB_SetImageBits_RLE4( int lines, const BYTE *bits, DWORD width,
DWORD dstwidth, int left, int *colors, XImage *bmpImage )
static void X11DRV_DIB_SetImageBits_RLE4( int lines, const BYTE *bits,
DWORD width, DWORD dstwidth,
int left, int *colors,
XImage *bmpImage )
{
int x = 0, c, length;
const BYTE *begin = bits;
dstwidth += left; /* FIXME: avoid putting x<left pixels */
lines--;
while ((int)lines >= 0)
{
length = *bits++;
if (length) { /* encoded */
c = *bits++;
while (length--) {
XPutPixel(bmpImage, x++, lines, colors[c >> 4]);
check_xy(x, y);
if (length) {
length--;
XPutPixel(bmpImage, x++, lines, colors[c & 0xf]);
check_xy(x, y);
}
}
} else {
length = *bits++;
switch (length) {
case 0: /* eol */
x = 0;
lines--;
continue;
case 1: /* eopicture */
return;
case 2: /* delta */
x += *bits++;
lines -= *bits++;
continue;
default: /* absolute */
while (length--) {
c = *bits++;
XPutPixel(bmpImage, x++, lines, colors[c >> 4]);
check_xy(x, y);
if (length) {
length--;
XPutPixel(bmpImage, x++, lines, colors[c & 0xf]);
check_xy(x, y);
}
}
if ((bits - begin) & 1)
bits++;
int x = 0, c, length;
const BYTE *begin = bits;
lines--;
while ((int)lines >= 0) {
length = *bits++;
if (length) { /* encoded */
c = *bits++;
while (length--) {
XPutPixel(bmpImage, x++, lines, colors[c >>4]);
if(x >= width) {
x = 0;
if(--lines < 0)
return;
}
if (length) {
length--;
XPutPixel(bmpImage, x++, lines, colors[c & 0xf]);
if(x >= width) {
x = 0;
if(--lines < 0)
return;
}
}
}
} else {
length = *bits++;
switch (length) {
case 0: /* eol */
x = 0;
lines--;
continue;
case 1: /* eopicture */
return;
case 2: /* delta */
x += *bits++;
if(x >= width) {
FIXME(x11drv, "x-delta is too large?\n");
return;
}
lines -= *bits++;
continue;
default: /* absolute */
while (length--) {
c = *bits++;
XPutPixel(bmpImage, x++, lines, colors[c >> 4]);
if(x >= width) {
x = 0;
if(--lines < 0)
return;
}
if (length) {
length--;
XPutPixel(bmpImage, x++, lines, colors[c & 0xf]);
if(x >= width) {
x = 0;
if(--lines < 0)
return;
}
}
}
if ((bits - begin) & 1)
bits++;
}
}
}
}
/***********************************************************************
* X11DRV_DIB_SetImageBits_8
*
......@@ -415,7 +437,7 @@ static void X11DRV_DIB_SetImageBits_8( int lines, const BYTE *srcbits,
/* align to 32 bit */
DWORD linebytes = (srcwidth + 3) & ~3;
dstwidth+=left;
dstwidth += left;
if (lines > 0) {
for (h = lines - 1; h >= 0; h--) {
......@@ -451,7 +473,7 @@ static void X11DRV_DIB_GetImageBits_8( int lines, BYTE *srcbits,
/* align to 32 bit */
DWORD linebytes = (srcwidth + 3) & ~3;
dstwidth+=left;
dstwidth += left;
if (lines > 0) {
for (h = lines - 1; h >= 0; h--) {
......@@ -522,8 +544,6 @@ static void X11DRV_DIB_SetImageBits_RLE8( int lines, const BYTE *bits,
if (lines == 0) /* Let's hope this doesn't happen. */
return;
dstwidth += left; /* FIXME: avoid putting x<left pixels */
/*
* Note that the bitmap data is stored by Windows starting at the
* bottom line of the bitmap and going upwards. Within each line,
......@@ -951,8 +971,13 @@ int X11DRV_DIB_SetImageBits( const DIB_SETIMAGEBITS_DESCR *descr )
if (descr->image)
bmpImage = descr->image;
else
XCREATEIMAGE( bmpImage, descr->infoWidth, lines, descr->depth );
else {
bmpImage = XCreateImage( display,
DefaultVisualOfScreen(X11DRV_GetXScreen()),
descr->depth, ZPixmap, 0, NULL,
descr->infoWidth, lines, 32, 0 );
bmpImage->data = xcalloc( bmpImage->bytes_per_line * lines );
}
/* Transfer the pixels */
switch(descr->infoBpp)
......@@ -1028,8 +1053,13 @@ int X11DRV_DIB_GetImageBits( const DIB_SETIMAGEBITS_DESCR *descr )
if (descr->image)
bmpImage = descr->image;
else
XCREATEIMAGE( bmpImage, descr->infoWidth, lines, descr->depth );
else {
bmpImage = XCreateImage( display,
DefaultVisualOfScreen(X11DRV_GetXScreen()),
descr->depth, ZPixmap, 0, NULL,
descr->infoWidth, lines, 32, 0 );
bmpImage->data = xcalloc( bmpImage->bytes_per_line * lines );
}
XGetSubImage( display, descr->drawable, descr->xDest, descr->yDest,
descr->width, descr->height, AllPlanes, ZPixmap,
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment