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/************************************************************************/
/* */
/* Make XImages and/or Pixmaps from a bitmap. */
/* */
/* MOTIF/X11 specific code. */
/* */
/************************************************************************/
# include "appFrameConfig.h"
# include <stddef.h>
# include <stdio.h>
# include <stdlib.h>
# include "appImage.h"
# include <appDebugon.h>
# ifdef USE_MOTIF
extern void _XInitImageFuncPtrs( XImage * xim );
/************************************************************************/
/* */
/* Make a pixmap from a picture. */
/* */
/* 2) Make sure that at least the 222 colors are available. */
/* 2a) Allocate an array of XColors and initialise it. */
/* 3) Fill dither tables. */
/* 4) Fill an XImage, the way depends on the bitmap. */
/* 5) Store it in a Pixmap. */
/* */
/************************************************************************/
int appImgMakeImage( AppDrawingData * add,
APP_IMAGE ** pPimage,
int toWide,
int toHigh,
AppColors * ac,
AppBitmapImage * abi )
{
Display * display= add->addDisplay;
int screen= add->addScreen;
int depth= DefaultDepth( display, screen );
const BitmapDescription * bdIn= &(abi->abiBitmap);
const unsigned char * bufferIn= abi->abiBuffer;
BitmapDescription bdOut;
APP_IMAGE * xim;
Visual * vis;
int pad= 8;
int col;
unsigned int one= 1;
int bitmapUnit= 0;
int swapBitmapBytes= 0;
int swapBitmapBits= 0;
vis= DefaultVisual( display, screen );
bmInitDescription ( &bdOut );
bdOut.bdPixelsWide= toWide;
bdOut.bdPixelsHigh= toHigh;
bdOut.bdHasAlpha= 0;
bdOut.bdXResolution= 1;
bdOut.bdYResolution= 1;
bdOut.bdUnit= BMunPIXEL;
if ( ac->acVisualClass == TrueColor ||
ac->acVisualClass == DirectColor )
{
bdOut.bdBytesPerRow= toWide;
if ( depth > 8 )
{ bdOut.bdBytesPerRow *= 2; }
if ( depth > 16 )
{ bdOut.bdBytesPerRow *= 2; }
xim= XCreateImage( display, vis, depth, ZPixmap, 0, (char *)0,
toWide, toHigh, pad, 0 );
if ( ! xim )
{ LDEB(xim); return -1; }
bdOut.bdBytesPerRow= xim->bytes_per_line;
bdOut.bdBufferLength= toHigh* bdOut.bdBytesPerRow;
bdOut.bdBitsPerSample= depth/ 3;
bdOut.bdSamplesPerPixel= 3;
bdOut.bdBitsPerPixel= xim->bits_per_pixel;
bdOut.bdColorEncoding= BMcoRGB;
bdOut.bdColorCount= 0;
}
else{
switch( depth )
{
case 1:
xim= XCreateImage( display, vis, depth, XYPixmap, 0,
(char *)0, toWide, toHigh, pad, 0 );
if ( ! xim )
{ LDEB(xim); return -1; }
if ( xim->bitmap_unit > 32 )
{ LDEB(xim->bitmap_unit); return -1; }
bitmapUnit= xim->bitmap_unit;
if ( xim->byte_order == MSBFirst )
{
if ( *((unsigned char *)&one) )
{ swapBitmapBytes= 1; }
else{ swapBitmapBytes= 0; }
}
else{
if ( *((unsigned char *)&one) )
{ swapBitmapBytes= 0; }
else{ swapBitmapBytes= 1; }
}
/* ? */
if ( xim->bitmap_bit_order == MSBFirst )
{ swapBitmapBits= 0; }
else{ swapBitmapBits= 1; }
bdOut.bdBytesPerRow= xim->bytes_per_line;
bdOut.bdBufferLength= toHigh* bdOut.bdBytesPerRow;
bdOut.bdBitsPerSample= 1;
bdOut.bdSamplesPerPixel= 1;
bdOut.bdBitsPerPixel= 1;
bdOut.bdColorEncoding= BMcoBLACKWHITE;
bdOut.bdColorCount= 0;
break;
case 8:
xim= XCreateImage( display, vis, depth, ZPixmap, 0,
(char *)0,
toWide, toHigh, pad, 0 );
if ( ! xim )
{ LDEB(xim); return -1; }
bdOut.bdBytesPerRow= xim->bytes_per_line;
bdOut.bdBufferLength= toHigh* bdOut.bdBytesPerRow;
bdOut.bdBitsPerSample= 8;
bdOut.bdSamplesPerPixel= 3;
bdOut.bdBitsPerPixel= 8;
bdOut.bdColorEncoding= BMcoRGB8PALETTE;
bdOut.bdColorCount= 0;
break;
case 16:
bdOut.bdBytesPerRow= 4* ( ( 2* toWide+ 3 )/ 4 );
bdOut.bdBufferLength= toHigh* bdOut.bdBytesPerRow;
xim= XCreateImage( display, vis, depth, ZPixmap, 0,
(char *)0,
toWide, toHigh, pad, 0 );
if ( ! xim )
{ LDEB(xim); return -1; }
bdOut.bdBytesPerRow= xim->bytes_per_line;
bdOut.bdBufferLength= toHigh* bdOut.bdBytesPerRow;
bdOut.bdBitsPerSample= 8;
bdOut.bdSamplesPerPixel= 3;
bdOut.bdBitsPerPixel= 16;
bdOut.bdColorEncoding= BMcoRGB8PALETTE;
bdOut.bdColorCount= 0;
break;
case 32:
case 24:
default:
LDEB(depth); return -1;
}
}
/* 2 */
for ( col= 0; col < 64; col++ )
{
int r, g, b;
XColor xc;
r= ( col & 0x30 ) << 2;
g= ( col & 0x0c ) << 4;
b= ( col & 0x03 ) << 6;
if ( appColorRgb( &xc, ac, r, g, b ) )
{ LDEB(col); return -1; }
}
if ( *((unsigned char *)&one) )
{
if ( xim->byte_order != LSBFirst )
{
xim->byte_order= LSBFirst;
_XInitImageFuncPtrs( xim );
}
}
else{
if ( xim->byte_order != MSBFirst )
{
xim->byte_order= MSBFirst;
_XInitImageFuncPtrs( xim );
}
}
xim->data= malloc( bdOut.bdBufferLength );
if ( ! xim->data )
{
LXDEB(bdOut.bdBufferLength,xim->data);
XDestroyImage( xim ); return -1;
}
if ( bmFillImage( &(ac->acAllocator),
bitmapUnit, swapBitmapBytes, swapBitmapBits,
(unsigned char *)xim->data, bufferIn, &bdOut, bdIn ) )
{ LDEB(1); XDestroyImage( xim ); return -1; }
*pPimage= xim; return 0;
}
/************************************************************************/
/* */
/* Convert a BitmapDescription to an APP_IMAGE. */
/* */
/************************************************************************/
int appImgMakePixmap( AppDrawingData * add,
Pixmap * pPixmap,
int toWide,
int toHigh,
AppColors * ac,
AppBitmapImage * abi )
{
APP_IMAGE * xim;
Display * display= add->addDisplay;
Window win= add->addDrawable;
int screen= DefaultScreen( display );
int depth= DefaultDepth( display, screen );
if ( appImgMakeImage( add, &xim, toWide, toHigh, ac, abi ) )
{ LLDEB(toWide,toHigh); return -1; }
/* 5 */
*pPixmap= XCreatePixmap( display, win, toWide, toHigh, depth );
if ( ! *pPixmap )
{ XDEB(*pPixmap); return -1; }
XPutImage( display, *pPixmap, add->addGc, xim, 0, 0, 0, 0, toWide, toHigh );
XDestroyImage( xim );
return 0;
}
# endif /* USE_MOTIF */
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