/***********************************************************/
/* */
/* System dependent graphics (unix, x11) */
/* */
/***********************************************************/
#include "unix/guts.h"
#include "Image.h"
#define SORT(a,b) { int swp; if ((a) > (b)) { swp=(a); (a)=(b); (b)=swp; }}
#define REVERT(a) (XX-> size. y - (a) - 1)
#define SHIFT(a,b) { (a) += XX-> gtransform. x + XX-> btransform. x; \
(b) += XX-> gtransform. y + XX-> btransform. y; }
#define RANGE(a) { if ((a) < -16383) (a) = -16383; else if ((a) > 16383) a = 16383; }
#define RANGE2(a,b) RANGE(a) RANGE(b)
#define RANGE4(a,b,c,d) RANGE(a) RANGE(b) RANGE(c) RANGE(d)
#define REVERSE_BYTES_32(x) ((((x)&0xff)<<24) | (((x)&0xff00)<<8) | (((x)&0xff0000)>>8) | (((x)&0xff000000)>>24))
#define REVERSE_BYTES_24(x) ((((x)&0xff)<<16) | ((x)&0xff00) | (((x)&0xff0000)>>8))
#define REVERSE_BYTES_16(x) ((((x)&0xff)<<8 ) | (((x)&0xff00)>>8))
#define COLOR_R16(x) (((x)>>8)&0xFF00)
#define COLOR_G16(x) ((x)&0xFF00)
#define COLOR_B16(x) (((x)<<8)&0xFF00)
static int rop_map[] = {
GXcopy /* ropCopyPut */, /* dest = src */
GXxor /* ropXorPut */, /* dest ^= src */
GXand /* ropAndPut */, /* dest &= src */
GXor /* ropOrPut */, /* dest |= src */
GXcopyInverted /* ropNotPut */, /* dest = !src */
GXinvert /* ropInvert */, /* dest = !dest */
GXclear /* ropBlackness */, /* dest = 0 */
GXandReverse /* ropNotDestAnd */, /* dest = (!dest) & src */
GXorReverse /* ropNotDestOr */, /* dest = (!dest) | src */
GXset /* ropWhiteness */, /* dest = 1 */
GXandInverted /* ropNotSrcAnd */, /* dest &= !src */
GXorInverted /* ropNotSrcOr */, /* dest |= !src */
GXequiv /* ropNotXor */, /* dest ^= !src */
GXnand /* ropNotAnd */, /* dest = !(src & dest) */
GXnor /* ropNotOr */, /* dest = !(src | dest) */
GXnoop /* ropNoOper */ /* dest = dest */
};
int
prima_rop_map( int rop)
{
if ( rop < 0 || rop >= sizeof( rop_map)/sizeof(int))
return GXnoop;
else
return rop_map[ rop];
}
void
prima_get_gc( PDrawableSysData selfxx)
{
XGCValues gcv;
Bool bitmap, layered;
struct gc_head *gc_pool;
if ( XX-> gc && XX-> gcl) return;
if ( XX-> gc || XX-> gcl) {
warn( "UAG_010: internal error");
return;
}
bitmap = XT_IS_BITMAP(XX) ? true : false;
layered = XF_LAYERED(XX) ? true : false;
gc_pool = bitmap ? &guts.bitmap_gc_pool : ( layered ? &guts.argb_gc_pool : &guts.screen_gc_pool );
XX->gcl = TAILQ_FIRST(gc_pool);
if (XX->gcl)
TAILQ_REMOVE(gc_pool, XX->gcl, gc_link);
if (!XX->gcl) {
gcv. graphics_exposures = false;
XX-> gc = XCreateGC( DISP, (bitmap || layered) ? XX-> gdrawable : guts. root, GCGraphicsExposures, &gcv);
XCHECKPOINT;
if (( XX->gcl = alloc1z( GCList)))
XX->gcl->gc = XX-> gc;
}
if ( XX-> gcl) XX->gc = XX->gcl->gc;
}
void
prima_release_gc( PDrawableSysData selfxx)
{
Bool bitmap, layered;
struct gc_head *gc_pool;
if ( XX-> gc) {
if ( XX-> gcl == nil)
warn( "UAG_011: internal error");
bitmap = XT_IS_BITMAP(XX) ? true : false;
layered = XF_LAYERED(XX) ? true : false;
gc_pool = bitmap ? &guts.bitmap_gc_pool : ( layered ? &guts.argb_gc_pool : &guts.screen_gc_pool );
if ( XX-> gcl)
TAILQ_INSERT_HEAD(gc_pool, XX->gcl, gc_link);
XX->gcl = nil;
XX->gc = nil;
} else {
if ( XX-> gcl) {
warn( "UAG_012: internal error");
return;
}
}
}
/*
macros to multiply line pattern entries to line width in
a more-less aestethic fashion :-)
*/
#define MAX_DASH_LEN 2048
#define dDASH_FIX(line_width,source,length) \
int df_i, df_lw = line_width, df_len = length; \
char df_list[MAX_DASH_LEN], *df_src = (char*)source, *df_dst = df_list
#define DASH_FIX \
if ( df_lw > 1) {\
int on = 0;\
if ( df_len > MAX_DASH_LEN) df_len = MAX_DASH_LEN;\
for ( df_i = 0; df_i < df_len; df_i++) {\
unsigned int w = *((unsigned char*)df_src++);\
if (( on = !on)) {\
if ( w > 1) w *= df_lw;\
} else {\
w = w * df_lw + 1;\
}\
if ( w > 255) w = 255;\
*((unsigned char*)df_dst++) = w;\
}\
df_src = df_list;\
}
#define DASHES df_src, df_len
void
prima_prepare_drawable_for_painting( Handle self, Bool inside_on_paint)
{
DEFXX;
unsigned long mask = VIRGIN_GC_MASK;
int w, h;
XRectangle r;
XF_IN_PAINT(XX) = true;
XX-> btransform. x = XX-> btransform. y = 0;
XX-> gcv. ts_x_origin = XX-> gcv. ts_y_origin = 0;
if ( inside_on_paint && XX-> udrawable && is_opt( optBuffered) && !is_opt( optInDrawInfo) ) {
if ( XX-> invalid_region) {
XClipBox( XX-> invalid_region, &r);
XX-> bsize. x = w = r. width;
XX-> bsize. y = h = r. height;
XX-> btransform. x = - r. x;
XX-> btransform. y = r. y;
} else {
r. x = r. y = 0;
XX-> bsize. x = w = XX-> size. x;
XX-> bsize. y = h = XX-> size. y;
}
if ( w <= 0 || h <= 0) goto Unbuffered;
XX-> gdrawable = XCreatePixmap( DISP, XX-> udrawable, w, h, XX->visual->depth);
XCHECKPOINT;
if (!XX-> gdrawable) goto Unbuffered;
XX-> gcv. ts_x_origin = -r.x;
XX-> gcv. ts_y_origin = -r.y;
} else if ( XX-> udrawable && !XX-> gdrawable) {
Unbuffered:
XX-> gdrawable = XX-> udrawable;
}
XX-> paint_rop = XX-> rop;
XX-> paint_rop2 = XX-> rop2;
XX-> flags. paint_base_line = XX-> flags. base_line;
XX-> flags. paint_opaque = XX-> flags. opaque;
XX-> saved_font = PDrawable( self)-> font;
XX-> line_width = XX-> gcv. line_width;
XX-> gcv. clip_mask = None;
XX-> gtransform = XX-> transform;
prima_get_gc( XX);
XX-> gcv. subwindow_mode = (self == application ? IncludeInferiors : ClipByChildren);
XChangeGC( DISP, XX-> gc, mask, &XX-> gcv);
XCHECKPOINT;
if ( XX-> dashes) {
dDASH_FIX( XX-> line_width, XX-> dashes, XX-> ndashes);
DASH_FIX;
XSetDashes( DISP, XX-> gc, 0, DASHES);
XX-> paint_ndashes = XX-> ndashes;
if (( XX-> paint_dashes = malloc( XX-> ndashes)))
memcpy( XX-> paint_dashes, XX-> dashes, XX-> ndashes);
XX-> line_style = ( XX-> paint_rop2 == ropCopyPut) ? LineDoubleDash : LineOnOffDash;
} else {
XX-> paint_dashes = malloc(1);
if ( XX-> ndashes < 0) {
XX-> paint_dashes[0] = '\0';
XX-> paint_ndashes = 0;
} else {
XX-> paint_dashes[0] = '\1';
XX-> paint_ndashes = 1;
}
XX-> line_style = LineSolid;
}
XX-> clip_rect. x = 0;
XX-> clip_rect. y = 0;
XX-> clip_rect. width = XX-> size.x;
XX-> clip_rect. height = XX-> size.y;
if ( XX-> invalid_region && inside_on_paint && !is_opt( optInDrawInfo)) {
if ( XX-> flags. kill_current_region) {
XDestroyRegion( XX-> current_region);
XX-> flags. kill_current_region = 0;
}
if ( XX-> btransform. x != 0 || XX-> btransform. y != 0) {
Region r = XCreateRegion();
XUnionRegion( r, XX-> invalid_region, r);
XOffsetRegion( r, XX-> btransform. x, -XX-> btransform. y);
XSetRegion( DISP, XX-> gc, r);
XX-> current_region = r;
XX-> flags. kill_current_region = 1;
} else {
XSetRegion( DISP, XX-> gc, XX-> invalid_region);
XX-> current_region = XX-> invalid_region;
XX-> flags. kill_current_region = 0;
}
XX-> paint_region = XX-> invalid_region;
XX-> invalid_region = nil;
}
XX-> clip_mask_extent. x = XX-> clip_mask_extent. y = 0;
XX-> flags. xft_clip = 0;
apc_gp_set_color( self, XX-> saved_fore);
apc_gp_set_back_color( self, XX-> saved_back);
memcpy( XX-> saved_fill_pattern, XX-> fill_pattern, sizeof( FillPattern));
XX-> fill_pattern[0]++; /* force */
apc_gp_set_fill_pattern( self, XX-> saved_fill_pattern);
if ( !XX-> flags. reload_font && XX-> font && XX-> font-> id) {
XSetFont( DISP, XX-> gc, XX-> font-> id);
XCHECKPOINT;
} else {
apc_gp_set_font( self, &PDrawable( self)-> font);
XX-> flags. reload_font = false;
}
}
void
prima_cleanup_drawable_after_painting( Handle self)
{
DEFXX;
#ifdef USE_XFT
prima_xft_gp_destroy( self );
#endif
if ( XX-> flags. kill_current_region) {
XDestroyRegion( XX-> current_region);
XX-> flags. kill_current_region = 0;
}
XX-> current_region = 0;
XX-> flags. xft_clip = 0;
if ( XX-> udrawable && XX-> udrawable != XX-> gdrawable && XX-> gdrawable && !is_opt( optInDrawInfo)) {
if ( XX-> paint_region) {
XSetRegion( DISP, XX-> gc, XX-> paint_region);
} else {
Region region = XCreateRegion();
XRectangle r;
r. x = -XX-> btransform. x;
r. y = XX-> btransform. y;
r. width = XX->bsize.x;
r. height = XX->bsize.y;
XUnionRectWithRegion( &r, region, region);
XSetRegion( DISP, XX-> gc, region);
XDestroyRegion( region);
}
XCHECKPOINT;
XSetFunction( DISP, XX-> gc, GXcopy);
XCopyArea( DISP, XX-> gdrawable, XX-> udrawable, XX-> gc,
0, 0,
XX-> bsize.x, XX-> bsize.y,
-XX-> btransform. x, XX-> btransform. y);
XCHECKPOINT;
XFreePixmap( DISP, XX-> gdrawable);
XCHECKPOINT;
XX-> gdrawable = XX-> udrawable;
XX-> btransform. x = XX-> btransform. y = 0;
}
prima_release_gc(XX);
memcpy( XX-> fill_pattern, XX-> saved_fill_pattern, sizeof( FillPattern));
if ( XX-> font && ( --XX-> font-> refCnt <= 0)) {
prima_free_rotated_entry( XX-> font);
XX-> font-> refCnt = 0;
}
if ( XX-> paint_dashes) {
free(XX->paint_dashes);
XX-> paint_dashes = nil;
}
XX-> paint_ndashes = 0;
XF_IN_PAINT(XX) = false;
PDrawable( self)-> font = XX-> saved_font;
if ( XX-> paint_region) {
XDestroyRegion( XX-> paint_region);
XX-> paint_region = nil;
}
XFlush(DISP);
}
#define PURE_FOREGROUND if (!XX->flags.brush_fore) {\
XSetForeground( DISP, XX-> gc, XX-> fore. primary);\
XX->flags.brush_fore=1;\
}\
if (!XX->flags.brush_back && XX-> paint_rop2 == ropCopyPut) {\
XSetBackground( DISP, XX-> gc, XX-> back. primary);\
XX->flags.brush_back=1;\
}\
XSetFillStyle( DISP, XX-> gc, FillSolid);\
Bool
prima_make_brush( DrawableSysData * XX, int colorIndex)
{
Pixmap p;
if ( XT_IS_BITMAP(XX) || ( guts. idepth == 1)) {
int i;
FillPattern mix, *p1, *p2;
if ( colorIndex > 0) return false;
p1 = &guts. ditherPatterns[ 64 - (XX-> fore. primary ? 64 : XX-> fore. balance)];
p2 = &guts. ditherPatterns[ 64 - (XX-> back. primary ? 64 : XX-> back. balance)];
for ( i = 0; i < sizeof( FillPattern); i++)
mix[i] = ((*p1)[i] & XX-> fill_pattern[i]) | ((*p2)[i] & ~XX-> fill_pattern[i]);
XSetForeground( DISP, XX-> gc, 1);
XSetBackground( DISP, XX-> gc, 0);
XX-> flags. brush_fore = 0;
XX-> flags. brush_back = 0;
if (
( memcmp( mix, fillPatterns[ fpSolid], sizeof( FillPattern)) != 0) &&
( p = prima_get_hatch( &mix))
) {
XSetStipple( DISP, XX-> gc, p);
XSetFillStyle( DISP, XX-> gc, FillOpaqueStippled);
} else
XSetFillStyle( DISP, XX-> gc, FillSolid);
} else if ( XX-> flags. brush_null_hatch) {
if ( colorIndex > 0) return false;
if ( XX-> fore. balance) {
p = prima_get_hatch( &guts. ditherPatterns[ XX-> fore. balance]);
if ( p) {
XSetStipple( DISP, XX-> gc, p);
XSetFillStyle( DISP, XX-> gc, FillOpaqueStippled);
XSetBackground( DISP, XX-> gc, XX-> fore. secondary);
XX-> flags. brush_back = 0;
} else /* failure */
XSetFillStyle( DISP, XX-> gc, FillSolid);
} else
XSetFillStyle( DISP, XX-> gc, FillSolid);
if (!XX->flags.brush_fore) {
XSetForeground( DISP, XX-> gc, XX-> fore. primary);
XX->flags.brush_fore = 1;
}
} else if ( XX->fore.balance == 0 && XX->back.balance == 0) {
if ( colorIndex > 0) return false;
p = prima_get_hatch( &XX-> fill_pattern);
XSetFillStyle( DISP, XX-> gc, p ? FillOpaqueStippled : FillSolid);
if ( p) XSetStipple( DISP, XX-> gc, p);
if (!XX->flags.brush_fore) {
XSetForeground( DISP, XX-> gc, XX-> fore. primary);
XX->flags.brush_fore = 1;
}
if (p && !XX->flags.brush_back) {
XSetBackground( DISP, XX-> gc, XX-> back. primary);
XX->flags.brush_back = 1;
}
} else {
switch ( colorIndex) {
case 0: /* back mix */
if ( XX-> back. balance) {
p = prima_get_hatch( &guts. ditherPatterns[ XX-> back. balance]);
if ( p) {
XSetStipple( DISP, XX-> gc, p);
XSetFillStyle( DISP, XX-> gc, FillOpaqueStippled);
XSetBackground( DISP, XX-> gc, XX-> back. secondary);
} else /* failure */
XSetFillStyle( DISP, XX-> gc, FillSolid);
} else
XSetFillStyle( DISP, XX-> gc, FillSolid);
XSetForeground( DISP, XX-> gc, XX-> back. primary);
XX-> flags. brush_back = 0;
break;
case 1: /* fore mix */
if ( memcmp( XX-> fill_pattern, fillPatterns[fpEmpty], sizeof(FillPattern))==0)
return false;
if ( XX-> fore. balance) {
int i;
FillPattern fp;
memcpy( &fp, &guts. ditherPatterns[ XX-> fore. balance], sizeof(FillPattern));
for ( i = 0; i < 8; i++)
fp[i] &= XX-> fill_pattern[i];
p = prima_get_hatch( &fp);
} else
p = prima_get_hatch( &XX-> fill_pattern);
if ( !p) return false;
XSetStipple( DISP, XX-> gc, p);
XSetFillStyle( DISP, XX-> gc, FillStippled);
if ( !XX-> flags. brush_fore) {
XSetForeground( DISP, XX-> gc, XX-> fore. primary);
XX-> flags. brush_fore = 1;
}
break;
case 2: /* fore mix with fill pattern */
if ( memcmp( XX-> fill_pattern, fillPatterns[fpEmpty], sizeof(FillPattern))==0)
return false;
if ( XX-> fore. balance ) {
int i;
FillPattern fp;
memcpy( &fp, &guts. ditherPatterns[ XX-> fore. balance], sizeof(FillPattern));
for ( i = 0; i < 8; i++)
fp[i] = (~fp[i]) & XX-> fill_pattern[i];
p = prima_get_hatch( &fp);
if ( !p) return false;
XSetStipple( DISP, XX-> gc, p);
XSetFillStyle( DISP, XX-> gc, FillStippled);
XSetForeground( DISP, XX-> gc, XX-> fore. secondary);
XX-> flags. brush_fore = 0;
break;
} else
return false;
default:
return false;
}
}
return true;
}
Bool
apc_gp_init( Handle self)
{
if ( guts. dynamicColors && !prima_palette_alloc( self)) return false;
return true;
}
Bool
apc_gp_done( Handle self)
{
DEFXX;
if (!XX) return false;
if ( XX-> dashes) {
free(XX-> dashes);
XX-> dashes = nil;
}
XX-> ndashes = 0;
if ( guts. dynamicColors) {
prima_palette_free( self, true);
free(XX-> palette);
}
prima_release_gc(XX);
return true;
}
static int
arc_completion( double * angleStart, double * angleEnd, int * needFigure)
{
int max;
long diff = ((long)( fabs( *angleEnd - *angleStart) * 1000 + 0.5)) / 1000;
if ( diff == 0) {
*needFigure = false;
return 0;
}
while ( *angleStart > *angleEnd)
*angleEnd += 360;
while ( *angleStart < 0) {
*angleStart += 360;
*angleEnd += 360;
}
while ( *angleStart >= 360) {
*angleStart -= 360;
*angleEnd -= 360;
}
while ( *angleEnd >= *angleStart + 360)
*angleEnd -= 360;
if ( diff < 360) {
*needFigure = true;
return 0;
}
max = (int)(diff / 360);
*needFigure = ( max * 360) != diff;
return ( max % 2) ? 1 : 2;
}
static void
calculate_ellipse_divergence(void)
{
static Bool init = false;
if ( !init) {
XGCValues gcv;
Pixmap px = XCreatePixmap( DISP, guts.root, 4, 4, 1);
GC gc = XCreateGC( DISP, px, 0, &gcv);
XImage *xi;
XSetForeground( DISP, gc, 0);
XFillRectangle( DISP, px, gc, 0, 0, 5, 5);
XSetForeground( DISP, gc, 1);
XDrawArc( DISP, px, gc, 0, 0, 4, 4, 0, 360 * 64);
if (( xi = XGetImage( DISP, px, 0, 0, 4, 4, 1, XYPixmap))) {
int i;
Byte *data[4];
if ( xi-> bitmap_bit_order == LSBFirst)
prima_mirror_bytes(( Byte*) xi-> data, xi-> bytes_per_line * 4);
for ( i = 0; i < 4; i++) data[i] = (Byte*)xi-> data + i * xi-> bytes_per_line;
#define PIX(x,y) ((data[y][0] & (0x80>>(x)))!=0)
if ( PIX(2,1) && !PIX(3,1)) guts. ellipseDivergence.x = -1; else
if ( !PIX(2,1) && !PIX(3,1)) guts. ellipseDivergence.x = 1;
if ( PIX(1,2) && !PIX(1,3)) guts. ellipseDivergence.y = -1; else
if ( !PIX(1,2) && !PIX(1,3)) guts. ellipseDivergence.y = 1;
#undef PIX
XDestroyImage( xi);
}
XFreeGC( DISP, gc);
XFreePixmap( DISP, px);
init = true;
}
}
#define ELLIPSE_RECT x - ( dX + 1) / 2 + 1, y - dY / 2, dX-guts.ellipseDivergence.x, dY-guts.ellipseDivergence.y
#define FILL_ANTIDEFECT_REPAIRABLE \
( rop_map[XX-> paint_rop] == GXcopy ||\
rop_map[XX-> paint_rop] == GXset ||\
rop_map[XX-> paint_rop] == GXclear)
#define FILL_ANTIDEFECT_OPEN {\
XGCValues gcv;\
gcv. line_width = 1;\
gcv. line_style = LineSolid;\
XChangeGC( DISP, XX-> gc, GCLineWidth, &gcv);\
}
#define FILL_ANTIDEFECT_CLOSE {\
XGCValues gcv;\
gcv. line_width = XX-> line_width;\
gcv. line_style = ( XX-> paint_rop2 == ropNoOper) ? LineOnOffDash : LineDoubleDash;\
XChangeGC( DISP, XX-> gc, GCLineWidth, &gcv);\
}
Bool
apc_gp_arc( Handle self, int x, int y, int dX, int dY, double angleStart, double angleEnd)
{
DEFXX;
int compl, needf;
if ( PObject( self)-> options. optInDrawInfo) return false;
if ( !XF_IN_PAINT(XX)) return false;
if ( dX <= 0 || dY <= 0) return false;
RANGE4(x, y, dX, dY);
SHIFT( x, y);
y = REVERT( y);
PURE_FOREGROUND;
calculate_ellipse_divergence();
compl = arc_completion( &angleStart, &angleEnd, &needf);
while ( compl--)
XDrawArc( DISP, XX-> gdrawable, XX-> gc, ELLIPSE_RECT, 0, 360 * 64);
if ( needf)
XDrawArc( DISP, XX-> gdrawable, XX-> gc, ELLIPSE_RECT,
angleStart * 64, ( angleEnd - angleStart) * 64);
XFLUSH;
return true;
}
Bool
apc_gp_bar( Handle self, int x1, int y1, int x2, int y2)
{
DEFXX;
int mix = 0;
if ( PObject( self)-> options. optInDrawInfo) return false;
if ( !XF_IN_PAINT(XX)) return false;
SHIFT( x1, y1); SHIFT( x2, y2);
SORT( x1, x2); SORT( y1, y2);
RANGE4( x1, y1, x2, y2);
while ( prima_make_brush( XX, mix++))
XFillRectangle( DISP, XX-> gdrawable, XX-> gc, x1, REVERT( y2), x2 - x1 + 1, y2 - y1 + 1);
XCHECKPOINT;
XFLUSH;
return true;
}
Bool
apc_gp_bars( Handle self, int nr, Rect *rr)
{
DEFXX;
XRectangle *r, *rp;
int i, mix = 0;
if ( PObject( self)-> options. optInDrawInfo) return false;
if ( !XF_IN_PAINT(XX)) return false;
if ((r = malloc( sizeof( XRectangle)*nr)) == nil) return false;
for ( i = 0, rp = r; i < nr; i++, rr++, rp++) {
SHIFT( rr->left,rr-> bottom); SHIFT( rr->right, rr->top);
SORT( rr->left, rr->right); SORT( rr->bottom, rr->top);
RANGE4( rr->left, rr->bottom, rr->right, rr->top);
rp->x = rr->left;
rp->y = REVERT(rr->top);
rp->width = rr->right - rr->left + 1;
rp->height = rr->top - rr->bottom + 1;
}
while ( prima_make_brush( XX, mix++))
XFillRectangles( DISP, XX-> gdrawable, XX-> gc, r, nr);
XCHECKPOINT;
XFLUSH;
free( r);
return true;
}
Bool
apc_gp_alpha( Handle self, int alpha, int x1, int y1, int x2, int y2)
{
DEFXX;
int pixel;
if ( PObject( self)-> options. optInDrawInfo) return false;
if ( !XF_IN_PAINT(XX)) return false;
if ( !XF_LAYERED(XX)) return false;
if ( XT_IS_WIDGET(XX) && !XX->flags. layered_requested) return false;
if ( x1 < 0 && y1 < 0 && x2 < 0 && y2 < 0) {
x1 = 0; y1 = 0;
x2 = XX-> size. x - 1;
y2 = XX-> size. y - 1;
}
SHIFT( x1, y1); SHIFT( x2, y2);
SORT( x1, x2); SORT( y1, y2);
RANGE4( x1, y1, x2, y2);
pixel = ((alpha << guts. argb_bits. alpha_range) >> 8) << guts. argb_bits. alpha_shift;
XSetForeground( DISP, XX-> gc, pixel);
XX-> flags. brush_fore = 0;
XSetPlaneMask( DISP, XX-> gc, guts. argb_bits. alpha_mask);
XFillRectangle( DISP, XX-> gdrawable, XX-> gc, x1, REVERT( y2), x2 - x1 + 1, y2 - y1 + 1);
XSetPlaneMask( DISP, XX-> gc, AllPlanes);
XFLUSH;
return true;
}
Bool
apc_gp_clear( Handle self, int x1, int y1, int x2, int y2)
{
DEFXX;
if ( PObject( self)-> options. optInDrawInfo) return false;
if ( !XF_IN_PAINT(XX)) return false;
if ( x1 < 0 && y1 < 0 && x2 < 0 && y2 < 0) {
x1 = 0; y1 = 0;
x2 = XX-> size. x - 1;
y2 = XX-> size. y - 1;
}
SHIFT( x1, y1); SHIFT( x2, y2);
SORT( x1, x2); SORT( y1, y2);
RANGE4( x1, y1, x2, y2);
/* clean color entries, leave just background & foreground. XXX */
if ( guts. dynamicColors && x1 <= 0 && x2 > XX-> size.x && y1 <= 0 && y2 >= XX-> size.y) {
prima_palette_free(self,false);
apc_gp_set_color(self, XX-> fore. color);
apc_gp_set_back_color(self, XX-> back. color);
}
XSetForeground( DISP, XX-> gc, XX-> back. primary);
if ( XX-> back. balance > 0) {
Pixmap p = prima_get_hatch( &guts. ditherPatterns[ XX-> back. balance]);
if ( p) {
XSetFillStyle( DISP, XX-> gc, FillOpaqueStippled);
XSetStipple( DISP, XX-> gc, p);
XSetBackground( DISP, XX-> gc, XX-> back. secondary);
} else
XSetFillStyle( DISP, XX-> gc, FillSolid);
} else
XSetFillStyle( DISP, XX-> gc, FillSolid);
XX-> flags. brush_fore = 0;
XFillRectangle( DISP, XX-> gdrawable, XX-> gc, x1, REVERT( y2), x2 - x1 + 1, y2 - y1 + 1);
XFLUSH;
return true;
}
#define GRAD 57.29577951
Bool
apc_gp_chord( Handle self, int x, int y, int dX, int dY, double angleStart, double angleEnd)
{
int compl, needf;
DEFXX;
if ( PObject( self)-> options. optInDrawInfo) return false;
if ( !XF_IN_PAINT(XX)) return false;
if ( dX <= 0 || dY <= 0) return false;
RANGE4(x, y, dX, dY);
SHIFT( x, y);
y = REVERT( y);
PURE_FOREGROUND;
compl = arc_completion( &angleStart, &angleEnd, &needf);
calculate_ellipse_divergence();
while ( compl--)
XDrawArc( DISP, XX-> gdrawable, XX-> gc, ELLIPSE_RECT, 0, 360 * 64);
if ( !needf) return true;
XDrawArc( DISP, XX-> gdrawable, XX-> gc, ELLIPSE_RECT,
angleStart * 64, ( angleEnd - angleStart) * 64);
XDrawLine( DISP, XX-> gdrawable, XX-> gc,
x + cos( angleStart / GRAD) * dX / 2, y - sin( angleStart / GRAD) * dY / 2,
x + cos( angleEnd / GRAD) * dX / 2, y - sin( angleEnd / GRAD) * dY / 2);
XFLUSH;
return true;
}
Bool
apc_gp_draw_poly( Handle self, int n, Point *pp)
{
DEFXX;
int i;
int x = XX-> gtransform. x + XX-> btransform. x;
int y = XX-> size. y - 1 - XX-> gtransform. y - XX-> btransform. y;
XPoint *p;
if ( PObject( self)-> options. optInDrawInfo) return false;
if ( !XF_IN_PAINT(XX)) return false;
if ((p = malloc( sizeof( XPoint)*n)) == nil)
return false;
for ( i = 0; i < n; i++) {
p[i].x = pp[i].x + x;
p[i].y = y - pp[i].y;
RANGE2(p[i].x, p[i].y);
}
PURE_FOREGROUND;
XDrawLines( DISP, XX-> gdrawable, XX-> gc, p, n, CoordModeOrigin);
free( p);
XFLUSH;
return true;
}
Bool
apc_gp_draw_poly2( Handle self, int np, Point *pp)
{
DEFXX;
int i;
int x = XX-> gtransform. x + XX-> btransform. x;
int y = XX-> size. y - 1 - XX-> gtransform. y - XX-> btransform. y;
XSegment *s;
int n = np / 2;
if ( PObject( self)-> options. optInDrawInfo) return false;
if ( !XF_IN_PAINT(XX)) return false;
if ((s = malloc( sizeof( XSegment)*n)) == nil) return false;
for ( i = 0; i < n; i++) {
s[i].x1 = pp[i*2].x + x;
s[i].y1 = y - pp[i*2].y;
s[i].x2 = pp[i*2+1].x + x;
s[i].y2 = y - pp[i*2+1].y;
RANGE4(s[i].x1, s[i].y1, s[i].x2, s[i].y2);
}
PURE_FOREGROUND;
XDrawSegments( DISP, XX-> gdrawable, XX-> gc, s, n);
free( s);
XFLUSH;
return true;
}
Bool
apc_gp_ellipse( Handle self, int x, int y, int dX, int dY)
{
DEFXX;
if ( dX == 1 || dY == 1 ) /* Xorg bug */
return apc_gp_rectangle( self, x - dX / 2, y - dY / 2, x + dX / 2, y + dY / 2);
if ( PObject( self)-> options. optInDrawInfo) return false;
if ( !XF_IN_PAINT(XX)) return false;
if ( dX <= 0 || dY <= 0) return false;
RANGE4(x, y, dX, dY);
SHIFT( x, y);
y = REVERT( y);
PURE_FOREGROUND;
calculate_ellipse_divergence();
XDrawArc( DISP, XX-> gdrawable, XX-> gc, ELLIPSE_RECT, 0, 64*360);
XFLUSH;
return true;
}
Bool
apc_gp_fill_chord( Handle self, int x, int y, int dX, int dY, double angleStart, double angleEnd)
{
DEFXX;
int compl, needf, mix = 0;
if ( PObject( self)-> options. optInDrawInfo) return false;
if ( !XF_IN_PAINT(XX)) return false;
if ( dX <= 0 || dY <= 0) return false;
RANGE4(x, y, dX, dY);
SHIFT( x, y);
y = REVERT( y);
XSetArcMode( DISP, XX-> gc, ArcChord);
FILL_ANTIDEFECT_OPEN;
while ( prima_make_brush( XX, mix++)) {
compl = arc_completion( &angleStart, &angleEnd, &needf);
while ( compl--) {
XFillArc( DISP, XX-> gdrawable, XX-> gc, x - ( dX + 1) / 2 + 1, y - dY / 2, dX, dY, 0, 64*360);
if ( FILL_ANTIDEFECT_REPAIRABLE)
XDrawArc( DISP, XX-> gdrawable, XX-> gc, x - ( dX + 1) / 2 + 1, y - dY / 2, dX-1, dY-1, 0, 64*360);
}
if ( needf) {
XFillArc( DISP, XX-> gdrawable, XX-> gc, x - ( dX + 1) / 2 + 1, y - dY / 2, dX, dY,
angleStart * 64, ( angleEnd - angleStart) * 64);
if ( FILL_ANTIDEFECT_REPAIRABLE)
XDrawArc( DISP, XX-> gdrawable, XX-> gc, x - ( dX + 1) / 2 + 1, y - dY / 2, dX-1, dY-1,
angleStart * 64, ( angleEnd - angleStart) * 64);
}
}
FILL_ANTIDEFECT_CLOSE;
XFLUSH;
return true;
}
Bool
apc_gp_fill_ellipse( Handle self, int x, int y, int dX, int dY)
{
DEFXX;
int mix = 0;
if ( dX == 1 || dY == 1 ) /* Xorg bug */
return apc_gp_bar( self, x - dX / 2, y - dY / 2, x + dX / 2, y + dY / 2);
if ( PObject( self)-> options. optInDrawInfo) return false;
if ( !XF_IN_PAINT(XX)) return false;
if ( dX <= 0 || dY <= 0) return false;
RANGE4(x, y, dX, dY);
SHIFT( x, y);
y = REVERT( y);
FILL_ANTIDEFECT_OPEN;
while ( prima_make_brush( XX, mix++)) {
XFillArc( DISP, XX-> gdrawable, XX-> gc, x - ( dX + 1) / 2 + 1, y - dY / 2, dX, dY, 0, 64*360);
if ( FILL_ANTIDEFECT_REPAIRABLE)
XDrawArc( DISP, XX-> gdrawable, XX-> gc, x - ( dX + 1) / 2 + 1, y - dY / 2, dX-1, dY-1, 0, 64*360);
}
FILL_ANTIDEFECT_CLOSE;
XFLUSH;
return true;
}
Bool
apc_gp_fill_poly( Handle self, int numPts, Point *points)
{
/* XXX - beware, current implementation will not deal correctly with different rops and tiles */
XPoint *p;
DEFXX;
int i, mix = 0;
if ( PObject( self)-> options. optInDrawInfo) return false;
if ( !XF_IN_PAINT(XX)) return false;
if ( !( p = malloc(( numPts + 1) * sizeof( XPoint)))) return false;
for ( i = 0; i < numPts; i++) {
p[i]. x = (short)points[i]. x + XX-> gtransform. x + XX-> btransform. x;
p[i]. y = (short)REVERT(points[i]. y + XX-> gtransform. y + XX-> btransform. y);
RANGE2(p[i].x, p[i].y);
}
p[numPts]. x = (short)points[0]. x + XX-> gtransform. x + XX-> btransform. x;
p[numPts]. y = (short)REVERT(points[0]. y + XX-> gtransform. y + XX-> btransform. y);
RANGE2(p[numPts].x, p[numPts].y);
FILL_ANTIDEFECT_OPEN;
if ( guts. limits. XFillPolygon >= numPts) {
while ( prima_make_brush( XX, mix++)) {
XFillPolygon( DISP, XX-> gdrawable, XX-> gc, p, numPts, ComplexShape, CoordModeOrigin);
if ( FILL_ANTIDEFECT_REPAIRABLE)
XDrawLines( DISP, XX-> gdrawable, XX-> gc, p, numPts+1, CoordModeOrigin);
}
XCHECKPOINT;
} else
warn( "Prima::Drawable::fill_poly: too many points");
FILL_ANTIDEFECT_CLOSE;
free( p);
XFLUSH;
return true;
}
Bool
apc_gp_fill_sector( Handle self, int x, int y, int dX, int dY, double angleStart, double angleEnd)
{
DEFXX;
int compl, needf, mix = 0;
if ( PObject( self)-> options. optInDrawInfo) return false;
if ( !XF_IN_PAINT(XX)) return false;
if ( dX <= 0 || dY <= 0) return false;
RANGE4(x, y, dX, dY);
SHIFT( x, y);
y = REVERT( y);
XSetArcMode( DISP, XX-> gc, ArcPieSlice);
FILL_ANTIDEFECT_OPEN;
while ( prima_make_brush( XX, mix++)) {
compl = arc_completion( &angleStart, &angleEnd, &needf);
while ( compl--) {
XFillArc( DISP, XX-> gdrawable, XX-> gc, x - ( dX + 1) / 2 + 1, y - dY / 2, dX, dY, 0, 64*360);
if ( FILL_ANTIDEFECT_REPAIRABLE)
XDrawArc( DISP, XX-> gdrawable, XX-> gc, x - ( dX + 1) / 2 + 1, y - dY / 2, dX-1, dY-1, 0, 64*360);
}
if ( needf) {
XFillArc( DISP, XX-> gdrawable, XX-> gc, x - ( dX + 1) / 2 + 1, y - dY / 2, dX, dY,
angleStart * 64, ( angleEnd - angleStart) * 64);
if ( FILL_ANTIDEFECT_REPAIRABLE)
XDrawArc( DISP, XX-> gdrawable, XX-> gc, x - ( dX + 1) / 2 + 1, y - dY / 2, dX-1, dY-1,
angleStart * 64, ( angleEnd - angleStart) * 64);
}
}
FILL_ANTIDEFECT_CLOSE;
XFLUSH;
return true;
}
static int
get_pixel_depth( int depth)
{
if ( depth == 1) return 1; else
if ( depth <= 4) return 4; else
if ( depth <= 8) return 8; else
if ( depth <= 16) return 16; else
if ( depth <= 24) return 24; else
return 32;
}
static uint32_t
color_to_pixel( Handle self, Color color, int depth)
{
uint32_t pv;
if ( depth == 1) {
pv = color ? 1 : 0;
} else if ( guts.palSize > 0 ) {
pv = prima_color_find( self, color, -1, nil, RANK_FREE);
} else {
PRGBABitDescription bd = GET_RGBA_DESCRIPTION;
switch ( depth) {
case 16:
case 24:
case 32:
pv =
(((COLOR_R(color) << bd-> red_range ) >> 8) << bd-> red_shift) |
(((COLOR_G(color) << bd-> green_range) >> 8) << bd-> green_shift) |
(((COLOR_B(color) << bd-> blue_range ) >> 8) << bd-> blue_shift);
if ( guts.machine_byte_order != guts.byte_order)
switch( depth) {
case 16:
pv = REVERSE_BYTES_16( pv);
break;
case 24:
pv = REVERSE_BYTES_24( pv);
break;
case 32:
pv = REVERSE_BYTES_32( pv);
break;
}
break;
default:
warn("UAG_005: Not supported pixel depth");
return 0;
}
}
return pv;
}
typedef struct {
XImage * i;
Rect clip;
uint32_t color;
int depth;
int y;
Bool singleBorder;
XDrawable drawable;
GC gc;
int first;
PList * lists;
} FillSession;
static Bool
fs_get_pixel( FillSession * fs, int x, int y)
{
if ( x < fs-> clip. left || x > fs-> clip. right || y < fs-> clip. top || y > fs-> clip. bottom) {
return false;
}
if ( fs-> lists[ y - fs-> first]) {
PList l = fs-> lists[ y - fs-> first];
int i;
for ( i = 0; i < l-> count; i+=2) {
if (((int) l-> items[i+1] >= x) && ((int)l->items[i] <= x))
return false;
}
}
if ( !fs-> i || y != fs-> y) {
XCHECKPOINT;
if ( fs-> i) XDestroyImage( fs-> i);
XCHECKPOINT;
fs-> i = XGetImage( DISP, fs-> drawable, fs-> clip. left, y,
fs-> clip. right - fs-> clip. left + 1, 1,
( fs-> depth == 1) ? 1 : AllPlanes,
( fs-> depth == 1) ? XYPixmap : ZPixmap);
XCHECKPOINT;
if ( !fs-> i) {
return false;
}
fs-> y = y;
}
x -= fs-> clip. left;
switch( fs-> depth) {
case 1:
{
Byte xz = *((Byte*)(fs->i->data) + (x >> 3));
uint32_t v = ( guts.bit_order == MSBFirst) ?
( xz & ( 0x80 >> ( x & 7)) ? 1 : 0) :
( xz & ( 0x01 << ( x & 7)) ? 1 : 0);
return fs-> singleBorder ?
( v == fs-> color) : ( v != fs-> color);
}
break;
case 4:
{
Byte xz = *((Byte*)(fs->i->data) + (x >> 1));
uint32_t v = ( x & 1) ? ( xz & 0xF) : ( xz >> 4);
return fs-> singleBorder ?
( v == fs-> color) : ( v != fs-> color);
}
break;
case 8:
return fs-> singleBorder ?
( fs-> color == *((Byte*)(fs->i->data) + x)) :
( fs-> color != *((Byte*)(fs->i->data) + x));
case 16:
return fs-> singleBorder ?
( fs-> color == *((uint16_t*)(fs->i->data) + x)):
( fs-> color != *((uint16_t*)(fs->i->data) + x));
case 24:
return fs-> singleBorder ?
( memcmp(( Byte*)(fs->i->data) + x, &fs->color, 3) == 0) :
( memcmp(( Byte*)(fs->i->data) + x, &fs->color, 3) != 0);
case 32:
return fs-> singleBorder ?
( fs-> color == *((uint32_t*)(fs->i->data) + x)):
( fs-> color != *((uint32_t*)(fs->i->data) + x));
}
return false;
}
static void
hline( FillSession * fs, int x1, int y, int x2)
{
XFillRectangle( DISP, fs-> drawable, fs-> gc, x1, y, x2 - x1 + 1, 1);
if ( y == fs-> y && fs-> i) {
XDestroyImage( fs-> i);
fs-> i = nil;
}
y -= fs-> first;
if ( fs-> lists[y] == nil)
fs-> lists[y] = plist_create( 32, 128);
list_add( fs-> lists[y], ( Handle) x1);
list_add( fs-> lists[y], ( Handle) x2);
}
static int
fill( FillSession * fs, int sx, int sy, int d, int pxl, int pxr)
{
int x, xr = sx;
while ( sx > fs-> clip. left && fs_get_pixel( fs, sx - 1, sy)) sx--;
while ( xr < fs-> clip. right && fs_get_pixel( fs, xr + 1, sy)) xr++;
hline( fs, sx, sy, xr);
if ( sy + d >= fs-> clip. top && sy + d <= fs-> clip. bottom) {
x = sx;
while ( x <= xr) {
if ( fs_get_pixel( fs, x, sy + d)) {
x = fill( fs, x, sy + d, d, sx, xr);
}
x++;
}
}
if ( sy - d >= fs-> clip. top && sy - d <= fs-> clip. bottom) {
x = sx;
while ( x < pxl) {
if ( fs_get_pixel( fs, x, sy - d)) {
x = fill( fs, x, sy - d, -d, sx, xr);
}
x++;
}
x = pxr;
while ( x < xr) {
if ( fs_get_pixel( fs, x, sy - d)) {
x = fill( fs, x, sy - d, -d, sx, xr);
}
x++;
}
}
return xr;
}
Bool
apc_gp_flood_fill( Handle self, int x, int y, Color color, Bool singleBorder)
{
DEFXX;
Bool ret = false;
XRectangle cr;
FillSession s;
int mix = 0, hint;
if ( !opt_InPaint) return false;
s. singleBorder = singleBorder;
s. drawable = XX-> gdrawable;
s. gc = XX-> gc;
SHIFT( x, y);
y = REVERT( y);
color = prima_map_color( color, &hint);
prima_gp_get_clip_rect( self, &cr, 1);
s. clip. left = cr. x;
s. clip. top = cr. y;
s. clip. right = cr. x + cr. width - 1;
s. clip. bottom = cr. y + cr. height - 1;
if ( cr. width <= 0 || cr. height <= 0) return false;
s. i = nil;
s. depth = XT_IS_BITMAP(X(self)) ? 1 : guts. idepth;
s. depth = get_pixel_depth( s. depth);
s. color = hint ?
(( hint == COLORHINT_BLACK) ? LOGCOLOR_BLACK : LOGCOLOR_WHITE)
: color_to_pixel( self, color, s.depth);
s. first = s. clip. top;
if ( !( s. lists = malloc(( s. clip. bottom - s. clip. top + 1) * sizeof( void*))))
return false;
bzero( s. lists, ( s. clip. bottom - s. clip. top + 1) * sizeof( void*));
prima_make_brush( XX, mix++);
if ( fs_get_pixel( &s, x, y)) {
fill( &s, x, y, -1, x, x);
ret = true;
}
while ( prima_make_brush( XX, mix++)) {
for ( y = 0; y < s. clip. bottom - s. clip. top + 1; y++)
if ( s. lists[y])
for ( x = 0; x < s.lists[y]-> count; x += 2)
XFillRectangle( DISP, s.drawable, s.gc,
(int)s.lists[y]->items[x], y,
(int)s.lists[y]->items[x+1] - (int)s.lists[y]->items[x], 1);
}
if ( s. i) XDestroyImage( s. i);
for ( x = 0; x < s. clip. bottom - s. clip. top + 1; x++)
if ( s. lists[x])
plist_destroy( s.lists[x]);
free( s. lists);
XFLUSH;
return ret;
}
Color
apc_gp_get_pixel( Handle self, int x, int y)
{
DEFXX;
Color c = 0;
XImage *im;
Bool pixmap;
uint32_t p32 = 0;
if ( !opt_InPaint) return clInvalid;
SHIFT( x, y);
if ( x < 0 || x >= XX-> size.x || y < 0 || y >= XX-> size.y)
return clInvalid;
if ( XT_IS_DBM(XX)) {
pixmap = XT_IS_PIXMAP(XX) ? true : false;
} else if ( XT_IS_BITMAP(XX)) {
pixmap = 0;
} else {
pixmap = guts. idepth > 1;
}
im = XGetImage( DISP, XX-> gdrawable, x, XX-> size.y - y - 1, 1, 1,
pixmap ? AllPlanes : 1,
pixmap ? ZPixmap : XYPixmap);
XCHECKPOINT;
if ( !im) return clInvalid;
if ( pixmap) {
if ( guts. palSize > 0) {
int pixel;
if ( guts. idepth <= 8)
pixel = (*( U8*)( im-> data)) & (( 1 << guts.idepth) - 1);
else
pixel = (*( U16*)( im-> data)) & (( 1 << guts.idepth) - 1);
if ( guts.palette[pixel]. rank == RANK_FREE) {
XColor xc;
xc.pixel = pixel;
XQueryColors( DISP, guts. defaultColormap, &xc, 1);
c = RGB_COMPOSITE(xc.red>>8,xc.green>>8,xc.blue>>8);
} else
c = guts.palette[pixel]. composite;
} else {
PRGBABitDescription bd = GET_RGBA_DESCRIPTION;
int r, g, b, rmax, gmax, bmax, depth;
rmax = gmax = bmax = 0xff;
depth = XF_LAYERED(XX) ? guts. argb_visual. depth : guts. idepth;
switch ( depth) {
case 16:
p32 = *(( uint16_t*)(im-> data));
if ( guts.machine_byte_order != guts.byte_order)
p32 = REVERSE_BYTES_16(p32);
rmax = 0xff & ( 0xff << ( 8 - bd-> red_range));
gmax = 0xff & ( 0xff << ( 8 - bd-> green_range));
bmax = 0xff & ( 0xff << ( 8 - bd-> blue_range));
goto COMP;
case 24:
p32 = (im-> data[0] << 16) | (im-> data[1] << 8) | im-> data[2];
if ( guts.machine_byte_order != guts.byte_order)
p32 = REVERSE_BYTES_24(p32);
goto COMP;
case 32:
p32 = *(( uint32_t*)(im-> data));
if ( guts.machine_byte_order != guts.byte_order)
p32 = REVERSE_BYTES_32(p32);
COMP:
r = ((((p32 & bd-> red_mask) >> bd->red_shift) << 8) >> bd-> red_range) & 0xff;
g = ((((p32 & bd-> green_mask) >> bd->green_shift) << 8) >> bd-> green_range) & 0xff;
b = ((((p32 & bd-> blue_mask) >> bd->blue_shift) << 8) >> bd-> blue_range) & 0xff;
if ( r == rmax ) r = 0xff;
if ( g == gmax ) g = 0xff;
if ( b == bmax ) b = 0xff;
c = b | ( g << 8 ) | ( r << 16);
break;
default:
warn("UAG_009: get_pixel not implemented for %d depth", guts.idepth);
}
}
} else {
c = ( im-> data[0] & ((guts.bit_order == MSBFirst) ? 0x80 : 1))
? 0xffffff : 0;
}
XDestroyImage( im);
return c;
}
Color
apc_gp_get_nearest_color( Handle self, Color color)
{
if ( guts. palSize > 0)
return guts. palette[ prima_color_find( self, color, -1, nil, RANK_FREE)]. composite;
if ( guts. visualClass == TrueColor || guts. visualClass == DirectColor) {
XColor xc;
xc. red = COLOR_R16(color);
xc. green = COLOR_G16(color);
xc. blue = COLOR_B16(color);
if ( XAllocColor( DISP, guts. defaultColormap, &xc)) {
XFreeColors( DISP, guts. defaultColormap, &xc. pixel, 1, 0);
return
(( xc. red & 0xFF00) << 8) |
(( xc. green & 0xFF00)) |
(( xc. blue & 0xFF00) >> 8);
}
}
return color;
}
PRGBColor
apc_gp_get_physical_palette( Handle self, int * colors)
{
int i;
PRGBColor p;
XColor * xc;
*colors = 0;
if ( guts. palSize == 0) return nil;
if ( !( p = malloc( guts. palSize * sizeof( RGBColor))))
return nil;
if ( !( xc = malloc( guts. palSize * sizeof( XColor)))) {
free( p);
return nil;
}
for ( i = 0; i < guts. palSize; i++) xc[i]. pixel = i;
XQueryColors( DISP, guts. defaultColormap, xc, guts. palSize);
XCHECKPOINT;
for ( i = 0; i < guts. palSize; i++) {
p[i]. r = xc[i]. red >> 8;
p[i]. g = xc[i]. green >> 8;
p[i]. b = xc[i]. blue >> 8;
}
free( xc);
*colors = guts. palSize;
return p;
}
Bool
apc_gp_get_region( Handle self, Handle mask)
{
DEFXX;
int depth;
if ( !XF_IN_PAINT(XX)) return false;
if ( !mask)
return XX-> clip_mask_extent. x != 0 && XX-> clip_mask_extent. y != 0;
if ( XX-> clip_mask_extent. x == 0 || XX-> clip_mask_extent. y == 0)
return false;
XSetClipOrigin( DISP, XX-> gc, 0, 0);
depth = XT_IS_BITMAP(XX) ? 1 : guts. qdepth;
CImage( mask)-> create_empty( mask, XX-> clip_mask_extent. x, XX-> clip_mask_extent. y, depth);
CImage( mask)-> begin_paint( mask);
XCHECKPOINT;
XSetForeground( DISP, XX-> gc, ( depth == 1) ? 1 : guts. monochromeMap[1]);
XFillRectangle( DISP, X(mask)-> gdrawable, XX-> gc, 0, 0, XX-> clip_mask_extent.x + 1, XX-> clip_mask_extent.y + 1);
XCHECKPOINT;
XX-> flags. brush_fore = 0;
CImage( mask)-> end_paint( mask);
XCHECKPOINT;
if ( depth != 1) CImage( mask)-> set_type( mask, imBW);
XSetClipOrigin( DISP, XX-> gc, XX-> btransform.x,
- XX-> btransform. y + XX-> size. y - XX-> clip_mask_extent.y);
return true;
}
Bool
apc_gp_line( Handle self, int x1, int y1, int x2, int y2)
{
DEFXX;
if ( PObject( self)-> options. optInDrawInfo) return false;
if ( !XF_IN_PAINT(XX)) return false;
SHIFT( x1, y1); SHIFT( x2, y2);
RANGE4(x1, y1, x2, y2); /* not really correct */
PURE_FOREGROUND;
if (( XX-> line_width == 0) && (x1 == x2 || y1 == y2)) {
XGCValues gcv;
gcv. line_width = 1;
XChangeGC( DISP, XX-> gc, GCLineWidth, &gcv);
}
XDrawLine( DISP, XX-> gdrawable, XX-> gc, x1, REVERT( y1), x2, REVERT( y2));
if (( XX-> line_width == 0) && (x1 == x2 || y1 == y2)) {
XGCValues gcv;
gcv. line_width = 0;
XChangeGC( DISP, XX-> gc, GCLineWidth, &gcv);
}
XFLUSH;
return true;
}
Bool
apc_gp_rectangle( Handle self, int x1, int y1, int x2, int y2)
{
DEFXX;
if ( PObject( self)-> options. optInDrawInfo) return false;
if ( !XF_IN_PAINT(XX)) return false;
SHIFT( x1, y1); SHIFT( x2, y2);
SORT( x1, x2); SORT( y1, y2);
RANGE4(x1, y1, x2, y2);
PURE_FOREGROUND;
if ( XX-> line_width > 0 &&
(XX-> line_width % 2) == 0) {
y2--;
y1--;
}
XDrawRectangle( DISP, XX-> gdrawable, XX-> gc, x1, REVERT( y2), x2 - x1, y2 - y1);
XCHECKPOINT;
XFLUSH;
return true;
}
Bool
apc_gp_sector( Handle self, int x, int y, int dX, int dY, double angleStart, double angleEnd)
{
int compl, needf;
DEFXX;
if ( PObject( self)-> options. optInDrawInfo) return false;
if ( !XF_IN_PAINT(XX)) return false;
if ( dX <= 0 || dY <= 0) return false;
RANGE4(x, y, dX, dY);
SHIFT( x, y);
y = REVERT( y);
compl = arc_completion( &angleStart, &angleEnd, &needf);
PURE_FOREGROUND;
calculate_ellipse_divergence();
while ( compl--)
XDrawArc( DISP, XX-> gdrawable, XX-> gc, ELLIPSE_RECT,
0, 360 * 64);
if ( !needf) return true;
XDrawArc( DISP, XX-> gdrawable, XX-> gc, ELLIPSE_RECT,
angleStart * 64, ( angleEnd - angleStart) * 64);
XDrawLine( DISP, XX-> gdrawable, XX-> gc,
x + cos( angleStart / GRAD) * dX / 2, y - sin( angleStart / GRAD) * dY / 2,
x, y
);
XDrawLine( DISP, XX-> gdrawable, XX-> gc,
x, y,
x + cos( angleEnd / GRAD) * dX / 2, y - sin( angleEnd / GRAD) * dY / 2
);
XFLUSH;
return true;
}
Bool
apc_gp_set_palette( Handle self)
{
if ( XT_IS_WIDGET(X(self))) return true;
return prima_palette_replace( self, false);
}
Region
region_create( Handle mask)
{
unsigned long w, h, x, y, size = 256, count = 0;
Region rgn = None;
Byte * idata;
XRectangle * current, * rdata;
Bool set = 0;
if ( !mask)
return None;
w = PImage( mask)-> w;
h = PImage( mask)-> h;
/*
XUnionRegion is actually SLOWER than the image scan -
- uncomment if this is wrong
if ( X( mask)-> cached_region) {
rgn = XCreateRegion();
XUnionRegion( rgn, X( mask)-> cached_region, rgn);
return rgn;
}
*/
idata = PImage( mask)-> data + PImage( mask)-> dataSize - PImage( mask)-> lineSize;
rdata = ( XRectangle*) malloc( size * sizeof( XRectangle));
if ( !rdata) return None;
count = 0;
current = rdata;
current--;
for ( y = 0; y < h; y++) {
for ( x = 0; x < w; x++) {
if ( idata[ x >> 3] == 0) {
x += 7;
continue;
}
if ( idata[ x >> 3] & ( 1 << ( 7 - ( x & 7)))) {
if ( set && current-> y == y && current-> x + current-> width == x)
current-> width++;
else {
set = 1;
if ( count >= size) {
void * xrdata = realloc( rdata, ( size *= 3) * sizeof( XRectangle));
if ( !xrdata) {
free( rdata);
return None;
}
rdata = xrdata;
current = rdata;
current += count - 1;
}
count++;
current++;
current-> x = x;
current-> y = y;
current-> width = 1;
current-> height = 1;
}
}
}
idata -= PImage( mask)-> lineSize;
}
if ( set) {
rgn = XCreateRegion();
for ( x = 0, current = rdata; x < count; x++, current++)
XUnionRectWithRegion( current, rgn, rgn);
/*
X( mask)-> cached_region = XCreateRegion();
XUnionRegion( X( mask)-> cached_region, rgn, X( mask)-> cached_region);
*/
}
free( rdata);
return rgn;
}
Bool
apc_gp_set_region( Handle self, Handle mask)
{
DEFXX;
Region region;
PImage img;
if ( PObject( self)-> options. optInDrawInfo) return false;
if ( !XF_IN_PAINT(XX)) return false;
if (mask == nilHandle) {
Rect r;
EMPTY:
r. left = 0;
r. bottom = 0;
r. right = XX-> size. x;
r. top = XX-> size. y;
return apc_gp_set_clip_rect( self, r);
}
img = PImage(mask);
XX-> clip_rect. width = XX-> clip_mask_extent. x = img-> w;
XX-> clip_rect. height = XX-> clip_mask_extent. y = img-> h;
XX-> clip_rect. x = 0;
XX-> clip_rect. y = REVERT(img-> h);
if ( !( region = region_create( mask))) goto EMPTY;
/* offset region if drawable is buffered */
XOffsetRegion( region, XX-> btransform. x, XX-> size.y - img-> h - XX-> btransform. y);
/* otherwise ( and only otherwise ), and if there's a
X11 clipping, intersect the region with it. X11 clipping
must not mix with the buffer clipping */
if (( !XX-> udrawable || XX-> udrawable == XX-> gdrawable) &&
XX-> paint_region)
XIntersectRegion( region, XX-> paint_region, region);
XSetRegion( DISP, XX-> gc, region);
if ( XX-> flags. kill_current_region)
XDestroyRegion( XX-> current_region);
XX-> flags. kill_current_region = 1;
XX-> current_region = region;
XX-> flags. xft_clip = 0;
#ifdef USE_XFT
if ( XX-> xft_drawable) prima_xft_update_region( self);
#endif
#ifdef HAVE_X11_EXTENSIONS_XRENDER_H
if ( XX-> argb_picture ) XRenderSetPictureClipRegion(DISP, XX->argb_picture, region);
#endif
return true;
}
Bool
apc_gp_set_pixel( Handle self, int x, int y, Color color)
{
DEFXX;
if ( PObject( self)-> options. optInDrawInfo) return false;
if ( !XF_IN_PAINT(XX)) return false;
SHIFT( x, y);
XSetForeground( DISP, XX-> gc, prima_allocate_color( self, color, nil));
XDrawPoint( DISP, XX-> gdrawable, XX-> gc, x, REVERT( y));
XX-> flags. brush_fore = 0;
XFLUSH;
return true;
}
static Point
gp_get_text_overhangs( Handle self, const char *text, int len, Bool wide)
{
DEFXX;
Point ret;
if ( len > 0) {
XCharStruct * cs;
cs = prima_char_struct( XX-> font-> fs, (void*) text, wide);
ret. x = ( cs-> lbearing < 0) ? - cs-> lbearing : 0;
text += (len - 1) * (wide ? 2 : 1);
cs = prima_char_struct( XX-> font-> fs, (void*) text, wide);
ret. y = (( cs-> width - cs-> rbearing) < 0) ? cs-> rbearing - cs-> width : 0;
} else
ret. x = ret. y = 0;
return ret;
}
static int
gp_get_text_width( Handle self, const char *text, int len, Bool addOverhang, Bool wide);
static Point *
gp_get_text_box( Handle self, const char * text, int len, Bool wide);
static Bool
gp_text_out_rotated( Handle self, const char * text, int x, int y, int len, Bool wide, Bool * ok_to_not_rotate)
{
DEFXX;
int i;
PRotatedFont r;
XCharStruct *cs;
int px, py = ( XX-> flags. paint_base_line) ? XX-> font-> font. descent : 0;
int ax = 0, ay = 0;
int psx, psy, dsx, dsy;
Fixed rx, ry;
if ( !prima_update_rotated_fonts( XX-> font, text, len, wide, PDrawable( self)-> font. direction, &r, ok_to_not_rotate))
return false;
for ( i = 0; i < len; i++) {
XChar2b index;
/* acquire actual character index */
index. byte1 = wide ? (( XChar2b*) text+i)-> byte1 : 0;
index. byte2 = wide ? (( XChar2b*) text+i)-> byte2 : *((unsigned char*)text+i);
if ( index. byte1 < r-> first1 || index. byte1 >= r-> first1 + r-> height ||
index. byte2 < r-> first2 || index. byte2 >= r-> first2 + r-> width) {
if ( r-> defaultChar1 < 0 || r-> defaultChar2 < 0) continue;
index. byte1 = ( unsigned char) r-> defaultChar1;
index. byte2 = ( unsigned char) r-> defaultChar2;
}
/* querying character */
if ( r-> map[(index. byte1 - r-> first1) * r-> width + index. byte2 - r-> first2] == nil) continue;
cs = XX-> font-> fs-> per_char ?
XX-> font-> fs-> per_char +
( index. byte1 - XX-> font-> fs-> min_byte1) * r-> width +
index. byte2 - XX-> font-> fs-> min_char_or_byte2 :
&(XX-> font-> fs-> min_bounds);
/* find reference point in pixmap */
px = ( cs-> lbearing < 0) ? -cs-> lbearing : 0;
rx. l = px * r-> cos2. l - py * r-> sin2. l + UINT16_PRECISION/2;
ry. l = px * r-> sin2. l + py * r-> cos2. l + UINT16_PRECISION/2;
psx = rx. i. i - r-> shift. x;
psy = ry. i. i - r-> shift. y;
/* find glyph position */
rx. l = ax * r-> cos2. l - ay * r-> sin2. l + UINT16_PRECISION/2;
ry. l = ax * r-> sin2. l + ay * r-> cos2. l + UINT16_PRECISION/2;
dsx = x + rx. i. i - psx;
dsy = REVERT( y + ry. i. i) + psy - r-> dimension. y + 1;
if ( guts. debug & DEBUG_FONTS) {
_debug("shift %d %d\n", r-> shift.x, r-> shift.y);
_debug("point ref: %d %d => %d %d. dims: %d %d, [%d %d %d]\n", px, py, psx, psy, r-> dimension.x, r-> dimension.y,
cs-> lbearing, cs-> rbearing - cs-> lbearing, cs-> width - cs-> rbearing);
_debug("plot ref: %d %d => %d %d\n", ax, ay, rx.i.i, ry.i.i);
_debug("at: %d %d ( sz = %d), dest: %d %d\n", x, y, XX-> size.y, dsx, dsy);
}
/* GXandReverse ropNotDestAnd */ /* dest = (!dest) & src */
/* GXorReverse ropNotDestOr */ /* dest = (!dest) | src */
/* GXequiv ropNotSrcXor */ /* dest ^= !src */
/* GXandInverted ropNotSrcAnd */ /* dest &= !src */
/* GXorInverted ropNotSrcOr */ /* dest |= !src */
/* GXnand ropNotAnd */ /* dest = !(src & dest) */
/* GXnor ropNotOr */ /* dest = !(src | dest) */
/* GXinvert ropInvert */ /* dest = !dest */
switch ( XX-> paint_rop) { /* XXX Limited set edition - either expand to full list or find new way to display bitmaps */
case ropXorPut:
XSetBackground( DISP, XX-> gc, 0);
XSetFunction( DISP, XX-> gc, GXxor);
break;
case ropOrPut:
XSetBackground( DISP, XX-> gc, 0);
XSetFunction( DISP, XX-> gc, GXor);
break;
case ropAndPut:
XSetBackground( DISP, XX-> gc, 0xffffffff);
XSetFunction( DISP, XX-> gc, GXand);
break;
case ropNotPut:
case ropBlackness:
XSetForeground( DISP, XX-> gc, 0);
XSetBackground( DISP, XX-> gc, 0xffffffff);
XSetFunction( DISP, XX-> gc, GXand);
break;
case ropWhiteness:
XSetForeground( DISP, XX-> gc, 0xffffffff);
XSetBackground( DISP, XX-> gc, 0);
XSetFunction( DISP, XX-> gc, GXor);
break;
default:
XSetForeground( DISP, XX-> gc, 0);
XSetBackground( DISP, XX-> gc, 0xffffffff);
XSetFunction( DISP, XX-> gc, GXand);
}
XPutImage( DISP, XX-> gdrawable, XX-> gc,
r-> map[(index. byte1 - r-> first1) * r-> width + index. byte2 - r-> first2]-> image,
0, 0, dsx, dsy, r-> dimension.x, r-> dimension.y);
XCHECKPOINT;
switch ( XX-> paint_rop) {
case ropAndPut:
case ropOrPut:
case ropXorPut:
case ropBlackness:
case ropWhiteness:
break;
case ropNotPut:
XSetForeground( DISP, XX-> gc, XX-> fore. primary);
XSetBackground( DISP, XX-> gc, 0xffffffff);
XSetFunction( DISP, XX-> gc, GXorInverted);
goto DISPLAY;
default:
XSetForeground( DISP, XX-> gc, XX-> fore. primary);
XSetBackground( DISP, XX-> gc, 0);
XSetFunction( DISP, XX-> gc, GXor);
DISPLAY:
XPutImage( DISP, XX-> gdrawable, XX-> gc,
r-> map[(index. byte1 - r-> first1) * r-> width + index. byte2 - r-> first2]-> image,
0, 0, dsx, dsy, r-> dimension.x, r-> dimension.y);
XCHECKPOINT;
}
ax += cs-> width;
}
apc_gp_set_rop( self, XX-> paint_rop);
XSetFillStyle( DISP, XX-> gc, FillSolid);
XSetForeground( DISP, XX-> gc, XX-> fore. primary);
XSetBackground( DISP, XX-> gc, XX-> back. primary);
XX-> flags. brush_fore = 1;
XX-> flags. brush_back = 1;
if ( PDrawable( self)-> font. style & (fsUnderlined|fsStruckOut)) {
int lw = apc_gp_get_line_width( self);
int tw = gp_get_text_width( self, text, len, true, wide) - 1;
int d = XX-> font-> underlinePos;
Point ovx = gp_get_text_overhangs( self, text, len, wide);
int x1, y1, x2, y2;
if ( lw != XX-> font-> underlineThickness)
apc_gp_set_line_width( self, XX-> font-> underlineThickness);
if ( PDrawable( self)-> font. style & fsUnderlined) {
ay = d + ( XX-> flags. paint_base_line ? 0 : XX-> font-> font. descent);
rx. l = -ovx.x * r-> cos2. l - ay * r-> sin2. l + 0.5;
ry. l = -ovx.x * r-> sin2. l + ay * r-> cos2. l + 0.5;
x1 = x + rx. i. i;
y1 = y + ry. i. i;
tw += ovx.y;
rx. l = tw * r-> cos2. l - ay * r-> sin2. l + 0.5;
ry. l = tw * r-> sin2. l + ay * r-> cos2. l + 0.5;
x2 = x + rx. i. i;
y2 = y + ry. i. i;
XDrawLine( DISP, XX-> gdrawable, XX-> gc, x1, REVERT( y1), x2, REVERT( y2));
}
if ( PDrawable( self)-> font. style & fsStruckOut) {
ay = (PDrawable( self)-> font.ascent - PDrawable( self)-> font.internalLeading)/2 +
+ ( XX-> flags. paint_base_line ? 0 : XX-> font-> font. descent);
rx. l = -ovx.x * r-> cos2. l - ay * r-> sin2. l + 0.5;
ry. l = -ovx.x * r-> sin2. l + ay * r-> cos2. l + 0.5;
x1 = x + rx. i. i;
y1 = y + ry. i. i;
tw += ovx.y;
rx. l = tw * r-> cos2. l - ay * r-> sin2. l + 0.5;
ry. l = tw * r-> sin2. l + ay * r-> cos2. l + 0.5;
x2 = x + rx. i. i;
y2 = y + ry. i. i;
XDrawLine( DISP, XX-> gdrawable, XX-> gc, x1, REVERT( y1), x2, REVERT( y2));
}
if ( lw != XX-> font-> underlineThickness)
apc_gp_set_line_width( self, lw);
}
XFLUSH;
return true;
}
Bool
apc_gp_text_out( Handle self, const char * text, int x, int y, int len, Bool utf8)
{
DEFXX;
if ( PObject( self)-> options. optInDrawInfo) return false;
if ( !XF_IN_PAINT(XX)) return false;
if ( len == 0) return true;
#ifdef USE_XFT
if ( XX-> font-> xft)
return prima_xft_text_out( self, text, x, y, len, utf8);
#endif
if ( utf8)
if ( !( text = ( char *) prima_alloc_utf8_to_wchar( text, len))) return false;
/* paint background if opaque */
if ( XX-> flags. paint_opaque) {
int i;
Point * p = gp_get_text_box( self, text, len, utf8);
FillPattern fp;
memcpy( &fp, apc_gp_get_fill_pattern( self), sizeof( FillPattern));
XSetForeground( DISP, XX-> gc, XX-> back. primary);
XX-> flags. brush_back = 0;
XX-> flags. brush_fore = 1;
XX-> fore. balance = 0;
XSetFunction( DISP, XX-> gc, GXcopy);
apc_gp_set_fill_pattern( self, fillPatterns[fpSolid]);
for ( i = 0; i < 4; i++) {
p[i].x += x;
p[i].y += y;
}
i = p[2].x; p[2].x = p[3].x; p[3].x = i;
i = p[2].y; p[2].y = p[3].y; p[3].y = i;
apc_gp_fill_poly( self, 4, p);
apc_gp_set_rop( self, XX-> paint_rop);
apc_gp_set_color( self, XX-> fore. color);
apc_gp_set_fill_pattern( self, fp);
free( p);
}
SHIFT( x, y);
RANGE2(x,y);
if ( PDrawable( self)-> font. direction != 0) {
Bool ok_to_not_rotate = false;
Bool ret = gp_text_out_rotated( self, text, x, y, len, utf8, &ok_to_not_rotate);
if ( !ok_to_not_rotate) {
if ( utf8) free(( char *) text);
return ret;
}
}
if ( !XX-> flags. paint_base_line)
y += XX-> font-> font. descent;
XSetFillStyle( DISP, XX-> gc, FillSolid);
if ( !XX-> flags. brush_fore) {
XSetForeground( DISP, XX-> gc, XX-> fore. primary);
XX-> flags. brush_fore = 1;
}
if ( utf8)
XDrawString16( DISP, XX-> gdrawable, XX-> gc, x, REVERT( y) + 1, (XChar2b*) text, len);
else
XDrawString( DISP, XX-> gdrawable, XX-> gc, x, REVERT( y) + 1, ( char*) text, len);
XCHECKPOINT;
if ( PDrawable( self)-> font. style & (fsUnderlined|fsStruckOut)) {
int lw = apc_gp_get_line_width( self);
int tw = gp_get_text_width( self, text, len, false, utf8);
int d = XX-> font-> underlinePos;
Point ovx = gp_get_text_overhangs( self, text, len, utf8);
if ( lw != XX-> font-> underlineThickness)
apc_gp_set_line_width( self, XX-> font-> underlineThickness);
if ( PDrawable( self)-> font. style & fsUnderlined)
XDrawLine( DISP, XX-> gdrawable, XX-> gc,
x - ovx.x, REVERT( y + d), x + tw - 1 + ovx.y, REVERT( y + d));
if ( PDrawable( self)-> font. style & fsStruckOut) {
int scy = REVERT( y + (XX-> font-> font.ascent - XX-> font-> font.internalLeading)/2);
XDrawLine( DISP, XX-> gdrawable, XX-> gc,
x - ovx.x, scy, x + tw - 1 + ovx.y, scy);
}
if ( lw != XX-> font-> underlineThickness)
apc_gp_set_line_width( self, lw);
}
if ( utf8) free(( char *) text);
XFLUSH;
return true;
}
/* gpi settings */
Color
apc_gp_get_back_color( Handle self)
{
DEFXX;
return ( XF_IN_PAINT(XX)) ? XX-> back. color : prima_map_color( XX-> saved_back, nil);
}
int
apc_gp_get_bpp( Handle self)
{
DEFXX;
if ( XT_IS_BITMAP(XX)) return 1;
if ( XF_LAYERED(XX)) return guts. argb_depth;
return guts. depth;
}
Color
apc_gp_get_color( Handle self)
{
DEFXX;
return ( XF_IN_PAINT(XX)) ? XX-> fore. color : prima_map_color(XX-> saved_fore, nil);
}
/* returns rect in X coordinates BUT without menuHeight deviation */
void
prima_gp_get_clip_rect( Handle self, XRectangle *cr, Bool for_internal_paints)
{
DEFXX;
XRectangle r;
cr-> x = 0;
cr-> y = 0;
cr-> width = XX-> size.x;
cr-> height = XX-> size.y;
if ( XF_IN_PAINT(XX) && XX-> paint_region) {
XClipBox( XX-> paint_region, &r);
prima_rect_intersect( cr, &r);
}
if ( XX-> clip_rect. x != 0
|| XX-> clip_rect. y != 0
|| XX-> clip_rect. width != XX-> size.x
|| XX-> clip_rect. height != XX-> size.y) {
prima_rect_intersect( cr, &XX-> clip_rect);
}
if ( for_internal_paints) {
cr-> x += XX-> btransform. x;
cr-> y -= XX-> btransform. y;
}
}
Rect
apc_gp_get_clip_rect( Handle self)
{
DEFXX;
XRectangle cr;
Rect r;
prima_gp_get_clip_rect( self, &cr, 0);
r. left = cr. x;
r. top = XX-> size. y - cr. y - 1;
r. bottom = r. top - cr. height + 1;
r. right = cr. x + cr. width - 1;
return r;
}
PFontABC
prima_xfont2abc( XFontStruct * fs, int firstChar, int lastChar)
{
PFontABC abc = malloc( sizeof( FontABC) * (lastChar - firstChar + 1));
XCharStruct *cs;
int k, l, d = fs-> max_char_or_byte2 - fs-> min_char_or_byte2 + 1;
int default_char1 = fs-> default_char >> 8;
int default_char2 = fs-> default_char & 0xff;
if ( !abc) return nil;
if ( default_char2 < fs-> min_char_or_byte2 || default_char2 > fs-> max_char_or_byte2 ||
default_char1 < fs-> min_byte1 || default_char1 > fs-> max_byte1) {
default_char1 = fs-> min_byte1;
default_char2 = fs-> min_char_or_byte2;
}
for ( k = firstChar, l = 0; k <= lastChar; k++, l++) {
int i1 = k >> 8;
int i2 = k & 0xff;
if ( !fs-> per_char)
cs = &fs-> min_bounds;
else if ( i2 < fs-> min_char_or_byte2 || i2 > fs-> max_char_or_byte2 ||
i1 < fs-> min_byte1 || i1 > fs-> max_byte1)
cs = fs-> per_char +
(default_char1 - fs-> min_byte1) * d +
default_char2 - fs-> min_char_or_byte2;
else
cs = fs-> per_char +
(i1 - fs-> min_byte1) * d +
i2 - fs-> min_char_or_byte2;
abc[l]. a = cs-> lbearing;
abc[l]. b = cs-> rbearing - cs-> lbearing;
abc[l]. c = cs-> width - cs-> rbearing;
}
return abc;
}
PFontABC
apc_gp_get_font_abc( Handle self, int firstChar, int lastChar, Bool unicode)
{
PFontABC abc;
if ( self) {
DEFXX;
#ifdef USE_XFT
if ( XX-> font-> xft)
return prima_xft_get_font_abc( self, firstChar, lastChar, unicode);
#endif
abc = prima_xfont2abc( XX-> font-> fs, firstChar, lastChar);
} else
abc = prima_xfont2abc( guts. font_abc_nil_hack, firstChar, lastChar);
return abc;
}
PFontABC
prima_xfont2def( Handle self, int first, int last)
{
DEFXX;
XCharStruct *max;
Pixmap pixmap;
GC gc;
XGCValues gcv;
int i, j, k, w, h, ls;
PFontABC ret;
XImage *xi;
if ( !( ret = malloc( sizeof(FontABC) * ( last - first + 1 ) )))
return nil;
bzero( ret, sizeof(FontABC) * ( last - first + 1 ));
max = &XX-> font-> fs-> max_bounds;
w = max-> width * 3;
h = max-> descent + max-> ascent;
ls = (( w + 31) / 32) * 4;
w = ls * 8;
pixmap = XCreatePixmap( DISP, guts. root, w, h, 1);
gcv. graphics_exposures = false;
gc = XCreateGC( DISP, pixmap, GCGraphicsExposures, &gcv);
XSetFont( DISP, gc, XX-> font-> id);
for ( i = 0; i <= last - first; i++) {
XChar2b ch;
ch. byte1 = (first + i) / 256;
ch. byte2 = (first + i) % 256;
XSetForeground( DISP, gc, 0);
XFillRectangle( DISP, pixmap, gc, 0, 0, w, h);
XSetForeground( DISP, gc, 1);
XDrawString16( DISP, pixmap, gc, 10, h - XX->font->font. descent, &ch, 1);
if (!(xi = XGetImage( DISP, pixmap, 0, 0, w, h, 1, XYPixmap))) {
free( ret );
ret = nil;
break;
}
/*
for ( j = 0; j < h; j++) {
int k, l;
for ( k = 0; k < ls; k++) {
Byte * p = (Byte*)xi-> data + j * xi-> bytes_per_line + k;
printf(".");
for ( l = 0; l < 8; l++) {
int z = (*p) & ( 1 << l );
printf("%s", z ? "*" : " ");
}
}
printf("\n");
}
*/
for ( j = 0; j < h; j++) {
Byte * p = (Byte*)xi-> data + j * xi-> bytes_per_line;
for ( k = 0; k < ls; k++, p++) {
if ( *p != 0 ) {
ret[i]. c = j;
goto FOUND_C;
}
}
}
FOUND_C:
for ( j = h - 1; j >= 0; j--) {
Byte * p = (Byte*)xi-> data + j * xi-> bytes_per_line;
for ( k = 0; k < ls; k++, p++) {
if ( *p != 0 ) {
ret[i]. a = h - j - 1;
goto FOUND_A;
}
}
}
FOUND_A:
if ( ret[i].a != 0 || ret[i].c != 0)
ret[i]. b = h - ret[i]. a - ret[i]. c;
XDestroyImage( xi);
}
XFreeGC( DISP, gc);
XFreePixmap( DISP, pixmap);
return ret;
}
PFontABC
apc_gp_get_font_def( Handle self, int firstChar, int lastChar, Bool unicode)
{
PFontABC abc;
DEFXX;
#ifdef USE_XFT
if ( XX-> font-> xft)
return prima_xft_get_font_def( self, firstChar, lastChar, unicode);
#endif
abc = prima_xfont2def( self, firstChar, lastChar);
return abc;
}
unsigned long *
apc_gp_get_font_ranges( Handle self, int * count)
{
DEFXX;
unsigned long * ret = nil;
XFontStruct * fs;
#ifdef USE_XFT
if ( XX-> font-> xft)
return prima_xft_get_font_ranges( self, count);
#endif
fs = XX-> font-> fs;
*count = (fs-> max_byte1 - fs-> min_byte1 + 1) * 2;
if (( ret = malloc( sizeof( unsigned long) * ( *count)))) {
int i;
for ( i = fs-> min_byte1; i <= fs-> max_byte1; i++) {
ret[(i - fs-> min_byte1) * 2 + 0] = i * 256 + fs-> min_char_or_byte2;
ret[(i - fs-> min_byte1) * 2 + 1] = i * 256 + fs-> max_char_or_byte2;
}
}
return ret;
}
Bool
apc_gp_get_fill_winding( Handle self)
{
DEFXX;
int fill_rule;
XGCValues gcv;
if ( XF_IN_PAINT(XX)) {
if ( XGetGCValues( DISP, XX-> gc, GCFillRule, &gcv) == 0) {
warn( "UAG_006: error querying GC values");
fill_rule = EvenOddRule;
} else {
fill_rule = gcv. fill_rule;
}
} else {
fill_rule = XX-> gcv. fill_rule;
}
return fill_rule == WindingRule;
}
FillPattern *
apc_gp_get_fill_pattern( Handle self)
{
return &(X(self)-> fill_pattern);
}
int
apc_gp_get_line_end( Handle self)
{
DEFXX;
int cap;
XGCValues gcv;
if ( XF_IN_PAINT(XX)) {
if ( XGetGCValues( DISP, XX-> gc, GCCapStyle, &gcv) == 0) {
warn( "UAG_006: error querying GC values");
cap = CapButt;
} else {
cap = gcv. cap_style;
}
} else {
cap = XX-> gcv. cap_style;
}
if ( cap == CapRound)
return leRound;
else if ( cap == CapProjecting)
return leSquare;
return leFlat;
}
int
apc_gp_get_line_join( Handle self)
{
DEFXX;
int join;
XGCValues gcv;
if ( XF_IN_PAINT(XX)) {
if ( XGetGCValues( DISP, XX-> gc, GCJoinStyle, &gcv) == 0) {
warn( "UAG_006: error querying GC values");
join = JoinRound;
} else {
join = gcv. join_style;
}
} else {
join = XX-> gcv. join_style;
}
if ( join == JoinMiter)
return ljMiter;
else if ( join == JoinBevel)
return ljBevel;
return ljRound;
}
int
apc_gp_get_line_width( Handle self)
{
DEFXX;
return XF_IN_PAINT(XX) ? XX-> line_width : XX-> gcv. line_width;
}
int
apc_gp_get_line_pattern( Handle self, unsigned char *dashes)
{
DEFXX;
int n;
if ( XF_IN_PAINT(XX)) {
n = XX-> paint_ndashes;
if ( XX-> paint_dashes)
memcpy( dashes, XX-> paint_dashes, n);
else
bzero( dashes, n);
} else {
n = XX-> ndashes;
if ( n < 0) {
n = 0;
strcpy(( char*) dashes, "");
} else if ( n == 0) {
n = 1;
strcpy(( char*) dashes, "\1");
} else {
memcpy( dashes, XX-> dashes, n);
}
}
return n;
}
Point
apc_gp_get_resolution( Handle self)
{
return guts. resolution;
}
int
apc_gp_get_rop( Handle self)
{
DEFXX;
if ( XF_IN_PAINT(XX)) {
return XX-> paint_rop;
} else {
return XX-> rop;
}
}
int
apc_gp_get_rop2( Handle self)
{
DEFXX;
if ( XF_IN_PAINT(XX))
return XX-> paint_rop2;
else
return XX-> rop2;
}
static int
gp_get_text_width( Handle self, const char *text, int len, Bool addOverhang, Bool wide)
{
DEFXX;
int ret;
/*
if ( !XX-> font) apc_gp_set_font( self, &PDrawable( self)-> font);
if ( !XX-> font) return 0;
*/
ret = wide ?
XTextWidth16( XX-> font-> fs, ( XChar2b *) text, len) :
XTextWidth ( XX-> font-> fs, (char*) text, len);
if ( addOverhang) {
Point ovx = gp_get_text_overhangs( self, text, len, wide);
ret += ovx. x + ovx. y;
}
return ret;
}
int
apc_gp_get_text_width( Handle self, const char * text, int len, Bool addOverhang, Bool utf8)
{
int ret;
#ifdef USE_XFT
if ( X(self)-> font-> xft)
return prima_xft_get_text_width( X(self)-> font, text, len, addOverhang, utf8,
X(self)-> xft_map8, nil);
#endif
if ( utf8)
if ( !( text = ( char *) prima_alloc_utf8_to_wchar( text, len))) return 0;
ret = gp_get_text_width( self, text, len, addOverhang, utf8);
if ( utf8)
free(( char*) text);
return ret;
}
static Point *
gp_get_text_box( Handle self, const char * text, int len, Bool wide)
{
DEFXX;
Point * pt = ( Point *) malloc( sizeof( Point) * 5);
int x;
Point ovx;
if ( !pt) return nil;
/*
if ( !XX-> font)
apc_gp_set_font( self, &PDrawable( self)-> font);
if ( !XX-> font)
return nil;
*/
x = wide ?
XTextWidth16( XX-> font-> fs, ( XChar2b*) text, len) :
XTextWidth( XX-> font-> fs, (char*)text, len);
ovx = gp_get_text_overhangs( self, text, len, wide);
pt[0].y = pt[2]. y = XX-> font-> font. ascent - 1;
pt[1].y = pt[3]. y = - XX-> font-> font. descent;
pt[4].y = 0;
pt[4].x = x;
pt[3].x = pt[2]. x = x + ovx. y;
pt[0].x = pt[1]. x = - ovx. x;
if ( !XX-> flags. paint_base_line) {
int i;
for ( i = 0; i < 4; i++) pt[i]. y += XX-> font-> font. descent;
}
if ( PDrawable( self)-> font. direction != 0) {
int i;
double s = sin( PDrawable( self)-> font. direction / 57.29577951);
double c = cos( PDrawable( self)-> font. direction / 57.29577951);
for ( i = 0; i < 5; i++) {
double x = pt[i]. x * c - pt[i]. y * s;
double y = pt[i]. x * s + pt[i]. y * c;
pt[i]. x = x + (( x > 0) ? 0.5 : -0.5);
pt[i]. y = y + (( y > 0) ? 0.5 : -0.5);
}
}
return pt;
}
Point *
apc_gp_get_text_box( Handle self, const char * text, int len, Bool utf8)
{
Point * ret;
#ifdef USE_XFT
if ( X(self)-> font-> xft)
return prima_xft_get_text_box( self, text, len, utf8);
#endif
if ( utf8)
if ( !( text = ( char *) prima_alloc_utf8_to_wchar( text, len))) return 0;
ret = gp_get_text_box( self, text, len, utf8);
if ( utf8)
free(( char*) text);
return ret;
}
Point
apc_gp_get_transform( Handle self)
{
DEFXX;
if ( XF_IN_PAINT(XX)) {
return XX-> gtransform;
} else {
return XX-> transform;
}
}
Bool
apc_gp_get_text_opaque( Handle self)
{
DEFXX;
if ( XF_IN_PAINT(XX)) {
return XX-> flags. paint_opaque ? true : false;
} else {
return XX-> flags. opaque ? true : false;
}
}
Bool
apc_gp_get_text_out_baseline( Handle self)
{
DEFXX;
if ( XF_IN_PAINT(XX)) {
return XX-> flags. paint_base_line ? true : false;
} else {
return XX-> flags. base_line ? true : false;
}
}
Bool
apc_gp_set_clip_rect( Handle self, Rect clipRect)
{
DEFXX;
Region region;
XRectangle r;
if ( !XF_IN_PAINT(XX))
return false;
SORT( clipRect. left, clipRect. right);
SORT( clipRect. bottom, clipRect. top);
r. x = clipRect. left;
r. y = REVERT( clipRect. top);
r. width = clipRect. right - clipRect. left+1;
r. height = clipRect. top - clipRect. bottom+1;
XX-> clip_rect = r;
XX-> clip_mask_extent. x = r. width;
XX-> clip_mask_extent. y = r. height;
region = XCreateRegion();
XUnionRectWithRegion( &r, region, region);
if ( XX-> paint_region)
XIntersectRegion( region, XX-> paint_region, region);
if ( XX-> btransform. x != 0 || XX-> btransform. y != 0) {
XOffsetRegion( region, XX-> btransform. x, -XX-> btransform. y);
}
XSetRegion( DISP, XX-> gc, region);
if ( XX-> flags. kill_current_region)
XDestroyRegion( XX-> current_region);
XX-> flags. kill_current_region = 1;
XX-> current_region = region;
XX-> flags. xft_clip = 0;
#ifdef USE_XFT
if ( XX-> xft_drawable) prima_xft_update_region( self);
#endif
#ifdef HAVE_X11_EXTENSIONS_XRENDER_H
if ( XX-> argb_picture ) XRenderSetPictureClipRegion(DISP, XX->argb_picture, region);
#endif
return true;
}
Bool
apc_gp_set_back_color( Handle self, Color color)
{
DEFXX;
if ( XF_IN_PAINT(XX)) {
prima_allocate_color( self, color, &XX-> back);
XX-> flags. brush_back = 0;
} else
XX-> saved_back = color;
return true;
}
Bool
apc_gp_set_color( Handle self, Color color)
{
DEFXX;
if ( XF_IN_PAINT(XX)) {
prima_allocate_color( self, color, &XX-> fore);
XX-> flags. brush_fore = 0;
} else
XX-> saved_fore = color;
return true;
}
Bool
apc_gp_set_fill_winding( Handle self, Bool fillWinding)
{
DEFXX;
int fill_rule;
XGCValues gcv;
fill_rule = fillWinding ? WindingRule : EvenOddRule;
if ( XF_IN_PAINT(XX)) {
gcv. fill_rule = fill_rule;
XChangeGC( DISP, XX-> gc, GCFillRule, &gcv);
XCHECKPOINT;
} else {
XX-> gcv. fill_rule = fill_rule;
}
return true;
}
Bool
apc_gp_set_fill_pattern( Handle self, FillPattern pattern)
{
DEFXX;
if ( memcmp( pattern, XX-> fill_pattern, sizeof(FillPattern)) == 0)
return true;
XX-> flags. brush_null_hatch =
( memcmp( pattern, fillPatterns[fpSolid], sizeof(FillPattern)) == 0);
memcpy( XX-> fill_pattern, pattern, sizeof( FillPattern));
return true;
}
/*- see apc_font.c
void
apc_gp_set_font( Handle self, PFont font)
*/
Bool
apc_gp_set_line_end( Handle self, int lineEnd)
{
DEFXX;
int cap = CapButt;
XGCValues gcv;
if ( lineEnd == leFlat)
cap = CapButt;
else if ( lineEnd == leSquare)
cap = CapProjecting;
else if ( lineEnd == leRound)
cap = CapRound;
if ( XF_IN_PAINT(XX)) {
gcv. cap_style = cap;
XChangeGC( DISP, XX-> gc, GCCapStyle, &gcv);
XCHECKPOINT;
} else {
XX-> gcv. cap_style = cap;
}
return true;
}
Bool
apc_gp_set_line_join( Handle self, int lineJoin)
{
DEFXX;
int join = JoinRound;
XGCValues gcv;
if ( lineJoin == ljRound)
join = JoinRound;
else if ( lineJoin == ljBevel)
join = JoinBevel;
else if ( lineJoin == ljMiter)
join = JoinMiter;
if ( XF_IN_PAINT(XX)) {
gcv. join_style = join;
XChangeGC( DISP, XX-> gc, GCJoinStyle, &gcv);
XCHECKPOINT;
} else {
XX-> gcv. join_style = join;
}
return true;
}
Bool
apc_gp_set_line_width( Handle self, int line_width)
{
DEFXX;
XGCValues gcv;
if ( XF_IN_PAINT(XX)) {
XX-> line_width = gcv. line_width = line_width;
if ( !( XX-> paint_ndashes == 0 || (XX-> paint_ndashes == 1 && XX-> paint_dashes[0] == 1))) {
dDASH_FIX( line_width, XX-> paint_dashes, XX-> paint_ndashes);
DASH_FIX;
XSetDashes( DISP, XX-> gc, 0, DASHES);
}
XChangeGC( DISP, XX-> gc, GCLineWidth, &gcv);
XCHECKPOINT;
} else
XX-> gcv. line_width = line_width;
return true;
}
Bool
apc_gp_set_line_pattern( Handle self, unsigned char *pattern, int len)
{
DEFXX;
XGCValues gcv;
if ( XF_IN_PAINT(XX)) {
if ( len == 0 || (len == 1 && pattern[0] == 1)) {
gcv. line_style = LineSolid;
XChangeGC( DISP, XX-> gc, GCLineStyle, &gcv);
} else {
dDASH_FIX(XX-> line_width, pattern, len);
DASH_FIX;
gcv. line_style = ( XX-> paint_rop2 == ropNoOper) ? LineOnOffDash : LineDoubleDash;
XSetDashes( DISP, XX-> gc, 0, DASHES);
XChangeGC( DISP, XX-> gc, GCLineStyle, &gcv);
}
XX-> line_style = gcv. line_style;
free(XX->paint_dashes);
if (( XX-> paint_dashes = malloc( len)))
memcpy( XX-> paint_dashes, pattern, len);
XX-> paint_ndashes = len;
} else {
free( XX-> dashes);
if ( len == 0) { /* lpNull */
XX-> dashes = nil;
XX-> ndashes = -1;
XX-> gcv. line_style = LineSolid;
} else if ( len == 1 && pattern[0] == 1) { /* lpSolid */
XX-> dashes = nil;
XX-> ndashes = 0;
XX-> gcv. line_style = LineSolid;
} else { /* the rest */
XX-> dashes = malloc( len);
memcpy( XX-> dashes, pattern, len);
XX-> ndashes = len;
XX-> gcv. line_style = ( XX-> rop2 == ropNoOper) ? LineOnOffDash : LineDoubleDash;
}
}
return true;
}
Bool
apc_gp_set_rop( Handle self, int rop)
{
DEFXX;
int function;
if ( rop < 0 || rop >= sizeof( rop_map)/sizeof(int))
function = GXnoop;
else
function = rop_map[ rop];
if ( XF_IN_PAINT(XX)) {
if ( rop < 0 || rop >= sizeof( rop_map)/sizeof(int))
rop = ropNoOper;
XX-> paint_rop = rop;
XSetFunction( DISP, XX-> gc, function);
XCHECKPOINT;
} else {
XX-> gcv. function = function;
XX-> rop = rop;
}
return true;
}
Bool
apc_gp_set_rop2( Handle self, int rop)
{
DEFXX;
if ( XF_IN_PAINT(XX)) {
if ( XX-> paint_rop2 == rop) return true;
XX-> paint_rop2 = ( rop == ropCopyPut) ? ropCopyPut : ropNoOper;
if ( XX-> line_style != LineSolid) {
XGCValues gcv;
gcv. line_style = ( rop == ropCopyPut) ? LineDoubleDash : LineOnOffDash;
XChangeGC( DISP, XX-> gc, GCLineStyle, &gcv);
}
} else {
XX-> rop2 = rop;
if ( XX-> gcv. line_style != LineSolid)
XX-> gcv. line_style = ( rop == ropCopyPut) ? LineDoubleDash : LineOnOffDash;
}
return true;
}
Bool
apc_gp_set_transform( Handle self, int x, int y)
{
DEFXX;
if ( XF_IN_PAINT(XX)) {
XX-> gtransform. x = x;
XX-> gtransform. y = y;
} else {
XX-> transform. x = x;
XX-> transform. y = y;
}
return true;
}
Bool
apc_gp_set_text_opaque( Handle self, Bool opaque)
{
DEFXX;
if ( XF_IN_PAINT(XX)) {
XX-> flags. paint_opaque = !!opaque;
} else {
XX-> flags. opaque = !!opaque;
}
return true;
}
Bool
apc_gp_set_text_out_baseline( Handle self, Bool baseline)
{
DEFXX;
if ( XF_IN_PAINT(XX)) {
XX-> flags. paint_base_line = !!baseline;
} else {
XX-> flags. base_line = !!baseline;
}
return true;
}
ApiHandle
apc_gp_get_handle( Handle self)
{
return ( ApiHandle) X(self)-> gdrawable;
}