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/*
* Unit test suite for paths
*
* Copyright 2007 Laurent Vromman
*
* 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 <stdarg.h>
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# include <stdio.h>
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# include <assert.h>
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# include "windef.h"
# include "winbase.h"
# include "wingdi.h"
# include "wine/test.h"
# include "winuser.h"
# include "winerror.h"
static void test_widenpath ( void )
{
HDC hdc = GetDC ( 0 ) ;
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HPEN greenPen , narrowPen ;
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HPEN oldPen ;
POINT pnt [ 6 ] ;
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INT nSize , ret ;
DWORD error ;
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/* Create a pen to be used in WidenPath */
greenPen = CreatePen ( PS_SOLID , 10 , RGB ( 0 , 0 , 0 ) ) ;
oldPen = SelectObject ( hdc , greenPen ) ;
/* Prepare a path */
pnt [ 0 ] . x = 100 ;
pnt [ 0 ] . y = 0 ;
pnt [ 1 ] . x = 200 ;
pnt [ 1 ] . y = 0 ;
pnt [ 2 ] . x = 300 ;
pnt [ 2 ] . y = 100 ;
pnt [ 3 ] . x = 300 ;
pnt [ 3 ] . y = 200 ;
pnt [ 4 ] . x = 200 ;
pnt [ 4 ] . y = 300 ;
pnt [ 5 ] . x = 100 ;
pnt [ 5 ] . y = 300 ;
/* Set a polyline path */
BeginPath ( hdc ) ;
Polyline ( hdc , pnt , 6 ) ;
EndPath ( hdc ) ;
/* Widen the polyline path */
ok ( WidenPath ( hdc ) , " WidenPath fails while widening a poyline path. \n " ) ;
/* Test if WidenPath seems to have done his job */
nSize = GetPath ( hdc , NULL , NULL , 0 ) ;
ok ( nSize ! = - 1 , " GetPath fails after calling WidenPath. \n " ) ;
ok ( nSize > 6 , " Path number of points is to low. Should be more than 6 but is %d \n " , nSize ) ;
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AbortPath ( hdc ) ;
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/* Test WidenPath with an open path */
SetLastError ( 0xdeadbeef ) ;
BeginPath ( hdc ) ;
ret = WidenPath ( hdc ) ;
error = GetLastError ( ) ;
ok ( ret = = FALSE & & GetLastError ( ) = = ERROR_CAN_NOT_COMPLETE , " WidenPath fails while widening an open path. Return value is %d, should be %d. Error is %08x, should be %08x \n " , ret , FALSE , GetLastError ( ) , ERROR_CAN_NOT_COMPLETE ) ;
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AbortPath ( hdc ) ;
/* Test when the pen width is equal to 1. The path should not change */
narrowPen = CreatePen ( PS_SOLID , 1 , RGB ( 0 , 0 , 0 ) ) ;
oldPen = SelectObject ( hdc , narrowPen ) ;
BeginPath ( hdc ) ;
Polyline ( hdc , pnt , 6 ) ;
EndPath ( hdc ) ;
nSize = GetPath ( hdc , NULL , NULL , 0 ) ;
ok ( nSize = = 6 , " WidenPath fails detecting 1px wide pen. Path length is %d, should be 6 \n " , nSize ) ;
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ReleaseDC ( 0 , hdc ) ;
return ;
}
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/*
* Tests for GDI drawing functions in paths
*/
typedef struct
{
int x , y ;
BYTE type ;
/* How many extra entries before this one only on wine
* but not on native ? */
int wine_only_entries_preceding ;
/* Does this entry itself not match on wine? */
int todo ;
} path_test_t ;
/* Helper function to verify that the current path in the given DC matches the expected path.
*
* We use a " smart " matching algorithm that allows us to detect partial improvements
* in conformance . Specifically , two running indices are kept , one through the actual
* path and one through the expected path . The actual path index always increases ,
* whereas , if the wine_entries_preceding field of the appropriate path_test_t element is
* non - zero , the expected path index does not increase for that many elements as long as
* there is no match . This allows us to todo_wine extra path elements that are present only
* in wine but not on native .
*
* Note that if expected_size is zero and the WINETEST_DEBUG environment variable is
* greater than 2 , the trace ( ) output is a C path_test_t array structure , useful for making
* new tests that use this function .
*/
static void ok_path ( HDC hdc , const path_test_t * expected , int expected_size , BOOL todo_size )
{
static const char * type_string [ 8 ] = { " Unknown (0) " , " PT_CLOSEFIGURE " , " PT_LINETO " ,
" PT_LINETO | PT_CLOSEFIGURE " , " PT_BEZIERTO " ,
" PT_BEZIERTO | PT_CLOSEFIGURE " , " PT_MOVETO " , " PT_MOVETO | PT_CLOSEFIGURE " } ;
POINT * pnt = NULL ;
BYTE * types = NULL ;
int size , numskip ,
idx , eidx = 0 ;
/* Get the path */
assert ( hdc ! = 0 ) ;
size = GetPath ( hdc , NULL , NULL , 0 ) ;
ok ( size > 0 , " GetPath returned size %d, last error %d \n " , size , GetLastError ( ) ) ;
if ( size < = 0 )
{
skip ( " Cannot perform path comparisons due to failure to retrieve path. \n " ) ;
return ;
}
pnt = HeapAlloc ( GetProcessHeap ( ) , 0 , size * sizeof ( POINT ) ) ;
assert ( pnt ! = 0 ) ;
types = HeapAlloc ( GetProcessHeap ( ) , 0 , size * sizeof ( BYTE ) ) ;
assert ( types ! = 0 ) ;
size = GetPath ( hdc , pnt , types , size ) ;
assert ( size > 0 ) ;
if ( todo_size ) todo_wine
ok ( size = = expected_size , " Path size %d does not match expected size %d \n " , size , expected_size ) ;
else
ok ( size = = expected_size , " Path size %d does not match expected size %d \n " , size , expected_size ) ;
if ( expected_size ) numskip = expected [ eidx ] . wine_only_entries_preceding ;
for ( idx = 0 ; idx < size & & eidx < expected_size ; idx + + )
{
/* We allow a few pixels fudge in matching X and Y coordinates to account for imprecision in
* floating point to integer conversion */
BOOL match = ( types [ idx ] = = expected [ eidx ] . type ) & &
( pnt [ idx ] . x > = expected [ eidx ] . x - 1 & & pnt [ idx ] . x < = expected [ eidx ] . x + 1 ) & &
( pnt [ idx ] . y > = expected [ eidx ] . y - 1 & & pnt [ idx ] . y < = expected [ eidx ] . y + 1 ) ;
if ( winetest_debug > 2 )
trace ( " {%d, %d, %s, 0, 0}, /* %d */ \n " , pnt [ idx ] . x , pnt [ idx ] . y , type_string [ types [ idx ] ] , idx ) ;
if ( expected [ eidx ] . todo | | numskip ) todo_wine
ok ( match , " Expected #%d: %s (%d,%d) but got %s (%d,%d) \n " , eidx ,
type_string [ expected [ eidx ] . type ] , expected [ eidx ] . x , expected [ eidx ] . y ,
type_string [ types [ idx ] ] , pnt [ idx ] . x , pnt [ idx ] . y ) ;
else
ok ( match , " Expected #%d: %s (%d,%d) but got %s (%d,%d) \n " , eidx ,
type_string [ expected [ eidx ] . type ] , expected [ eidx ] . x , expected [ eidx ] . y ,
type_string [ types [ idx ] ] , pnt [ idx ] . x , pnt [ idx ] . y ) ;
if ( match | | ! numskip - - )
numskip = expected [ + + eidx ] . wine_only_entries_preceding ;
}
/* If we are debugging and the actual path is longer than the expected path, make
* sure to display the entire path */
if ( winetest_debug > 2 & & idx < size )
for ( ; idx < size ; idx + + )
trace ( " {%d, %d, %s, 0, 0}, /* %d */ \n " , pnt [ idx ] . x , pnt [ idx ] . y , type_string [ types [ idx ] ] , idx ) ;
HeapFree ( GetProcessHeap ( ) , 0 , types ) ;
HeapFree ( GetProcessHeap ( ) , 0 , pnt ) ;
}
static const path_test_t arcto_path [ ] = {
{ 0 , 0 , PT_MOVETO , 0 , 0 } , /* 0 */
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{ 229 , 215 , PT_LINETO , 0 , 0 } , /* 1 */
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{ 248 , 205 , PT_BEZIERTO , 1 , 0 } , /* 2 */
{ 273 , 200 , PT_BEZIERTO , 0 , 0 } , /* 3 */
{ 300 , 200 , PT_BEZIERTO , 0 , 0 } , /* 4 */
{ 355 , 200 , PT_BEZIERTO , 0 , 0 } , /* 5 */
{ 399 , 222 , PT_BEZIERTO , 0 , 0 } , /* 6 */
{ 399 , 250 , PT_BEZIERTO , 0 , 0 } , /* 7 */
{ 399 , 263 , PT_BEZIERTO , 0 , 0 } , /* 8 */
{ 389 , 275 , PT_BEZIERTO , 0 , 0 } , /* 9 */
{ 370 , 285 , PT_BEZIERTO , 0 , 0 } , /* 10 */
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{ 363 , 277 , PT_LINETO , 0 , 0 } , /* 11 */
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{ 380 , 270 , PT_BEZIERTO , 1 , 0 } , /* 12 */
{ 389 , 260 , PT_BEZIERTO , 0 , 0 } , /* 13 */
{ 389 , 250 , PT_BEZIERTO , 0 , 0 } , /* 14 */
{ 389 , 228 , PT_BEZIERTO , 0 , 0 } , /* 15 */
{ 349 , 210 , PT_BEZIERTO , 0 , 0 } , /* 16 */
{ 300 , 210 , PT_BEZIERTO , 0 , 0 } , /* 17 */
{ 276 , 210 , PT_BEZIERTO , 0 , 0 } , /* 18 */
{ 253 , 214 , PT_BEZIERTO , 0 , 0 } , /* 19 */
{ 236 , 222 , PT_BEZIERTO | PT_CLOSEFIGURE , 0 , 0 } } ; /* 20 */
static void test_arcto ( void )
{
HDC hdc = GetDC ( 0 ) ;
BeginPath ( hdc ) ;
SetArcDirection ( hdc , AD_CLOCKWISE ) ;
if ( ! ArcTo ( hdc , 200 , 200 , 400 , 300 , 200 , 200 , 400 , 300 ) & &
GetLastError ( ) = = ERROR_CALL_NOT_IMPLEMENTED )
{
/* ArcTo is only available on Win2k and later */
skip ( " ArcTo is not available \n " ) ;
goto done ;
}
SetArcDirection ( hdc , AD_COUNTERCLOCKWISE ) ;
ArcTo ( hdc , 210 , 210 , 390 , 290 , 390 , 290 , 210 , 210 ) ;
CloseFigure ( hdc ) ;
EndPath ( hdc ) ;
ok_path ( hdc , arcto_path , sizeof ( arcto_path ) / sizeof ( path_test_t ) , 1 ) ;
done :
ReleaseDC ( 0 , hdc ) ;
}
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START_TEST ( path )
{
test_widenpath ( ) ;
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test_arcto ( ) ;
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}