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// $Id: wingcc.c 12965 2014-01-28 20:23:52Z arjenmarkus $
//
// PLplot WIN32 under GCC device driver.
//
// Copyright (C) 2004 Andrew Roach
//
// This file is part of PLplot.
//
// PLplot is free software; you can redistribute it and/or modify
// it under the terms of the GNU Library General Public License as published
// by the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// PLplot 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 Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public License
// along with PLplot; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
//
#include "plDevs.h"
#ifdef PLD_wingcc
#include <string.h>
#include <windows.h>
#if !defined ( __CYGWIN__ )
#include <tchar.h>
#else
#include <winnt.h>
#define _T( a ) __TEXT( a )
#endif
#ifdef _WIN64
#define GWL_USERDATA GWLP_USERDATA
#define GCL_HCURSOR GCLP_HCURSOR
#endif
#include "plplotP.h"
#include "drivers.h"
#include "plevent.h"
#ifdef PL_HAVE_FREETYPE
//
// Freetype support has been added to the wingcc driver using the
// plfreetype.c module, and implemented as a driver-specific optional extra
// invoked via the -drvopt command line toggle. It uses the
// "PLESC_HAS_TEXT" command for rendering within the driver.
//
// Freetype support is turned on/off at compile time by defining
// "PL_HAVE_FREETYPE".
//
// To give the user some level of control over the fonts that are used,
// environmental variables can be set to over-ride the definitions used by
// the five default plplot fonts.
//
// Freetype rendering is used with the command line "-drvopt text".
// Anti-aliased fonts can be used by issuing "-drvopt text,smooth"
//
#include "plfreetype.h"
#ifndef max_number_of_grey_levels_used_in_text_smoothing
#define max_number_of_grey_levels_used_in_text_smoothing 64
#endif
#endif
// Device info
PLDLLIMPEXP_DRIVER const char* plD_DEVICE_INFO_wingcc = "wingcc:Win32 (GCC):1:wingcc:9:wingcc\n";
// Struct to hold device-specific info.
typedef struct
{
PLFLT scale; // scaling factor to "blow up" to the "virtual" page in removing hidden lines
PLINT width; // Window width (which can change)
PLINT height; // Window Height
PLFLT PRNT_scale;
PLINT PRNT_width;
PLINT PRNT_height;
char FT_smooth_text;
//
// WIN32 API variables
//
COLORREF colour; // Current Colour
COLORREF oldcolour; // Used for high-speed background erasing
MSG msg; // A Win32 message structure.
WNDCLASSEX wndclass; // An extended window class structure.
HWND hwnd; // Handle for the main window.
HPEN pen; // Windows pen used for drawing
HDC hdc; // Driver Context
HDC hdc2; // Driver Context II - used for Blitting
HDC SCRN_hdc; // The screen's context
HDC PRNT_hdc; // used for printing
PAINTSTRUCT ps; // used to paint the client area of a window owned by that application
RECT rect; // defines the coordinates of the upper-left and lower-right corners of a rectangle
RECT oldrect; // used for re-sizing comparisons
RECT paintrect; // used for painting etc...
HBRUSH fillbrush; // brush used for fills
HCURSOR cursor; // Current windows cursor for this window
HBITMAP bitmap; // Bitmap of current display; used for fast redraws via blitting
HGDIOBJ oldobject; // Used for tracking objects probably not really needed but
HMENU PopupMenu;
PLINT draw_mode;
char truecolour; // Flag to indicate 24 bit mode
char waiting; // Flag to indicate drawing is done, and it is waiting;
// we only do a windows redraw if plplot is plotting
char enterresize; // Used to keep track of reszing messages from windows
char already_erased; // Used to track first and only first backgroudn erases
struct wingcc_Dev *push; // A copy of the entire structure used when printing
// We push and pop it off a virtual stack
} wingcc_Dev;
void plD_dispatch_init_wingcc( PLDispatchTable *pdt );
void plD_init_wingcc( PLStream * );
void plD_line_wingcc( PLStream *, short, short, short, short );
void plD_polyline_wingcc( PLStream *, short *, short *, PLINT );
void plD_eop_wingcc( PLStream * );
void plD_bop_wingcc( PLStream * );
void plD_tidy_wingcc( PLStream * );
void plD_state_wingcc( PLStream *, PLINT );
void plD_esc_wingcc( PLStream *, PLINT, void * );
#ifdef PL_HAVE_FREETYPE
static void plD_pixel_wingcc( PLStream *pls, short x, short y );
static void plD_pixelV_wingcc( PLStream *pls, short x, short y );
static PLINT plD_read_pixel_wingcc( PLStream *pls, short x, short y );
static void plD_set_pixel_wingcc( PLStream *pls, short x, short y, PLINT colour );
static void plD_set_pixelV_wingcc( PLStream *pls, short x, short y, PLINT colour );
static void init_freetype_lv1( PLStream *pls );
static void init_freetype_lv2( PLStream *pls );
#endif
//--------------------------------------------------------------------------
// Local Function definitions and function-like defines
//--------------------------------------------------------------------------
static int GetRegValue( TCHAR *key_name, TCHAR *key_word, char *buffer, int size );
static int SetRegValue( TCHAR *key_name, TCHAR *key_word, char *buffer, int dwType, int size );
static void Resize( PLStream *pls );
static void plD_fill_polygon_wingcc( PLStream *pls );
static void CopySCRtoBMP( PLStream *pls );
static void PrintPage( PLStream *pls );
static void UpdatePageMetrics( PLStream *pls, char flag );
#define SetRegStringValue( a, b, c ) SetRegValue( a, b, c, REG_SZ, strlen( c ) + 1 )
#define SetRegBinaryValue( a, b, c, d ) SetRegValue( a, b, (char *) c, REG_BINARY, d )
#define SetRegIntValue( a, b, c ) SetRegValue( a, b, (char *) c, REG_DWORD, 4 )
#define GetRegStringValue( a, b, c, d ) GetRegValue( a, b, c, d )
#define GetRegIntValue( a, b, c ) GetRegValue( a, b, (char *) c, 4 )
#define GetRegBinaryValue( a, b, c, d ) GetRegValue( a, b, (char *) c, d )
//--------------------------------------------------------------------------
// Some debugging macros
//--------------------------------------------------------------------------
#if defined ( _MSC_VER )
#define Debug( a ) do { if ( pls->debug ) { fprintf( stderr, ( a ) ); } } while ( 0 )
#define Debug2( a, b ) do { if ( pls->debug ) { fprintf( stderr, ( a ), ( b ) ); } } while ( 0 )
#define Debug3( a, b, c ) do { if ( pls->debug ) { fprintf( stderr, ( a ), ( b ), ( c ) ); } } while ( 0 )
#elif defined ( __BORLANDC__ )
#define Debug if ( pls->debug ) printf
#define Debug2 if ( pls->debug ) printf
#define Debug3 if ( pls->debug ) printf
#else
#define Verbose( ... ) do { if ( pls->verbose ) { fprintf( stderr, __VA_ARGS__ ); } } while ( 0 )
#define Debug( ... ) do { if ( pls->debug ) { fprintf( stderr, __VA_ARGS__ ); } } while ( 0 )
#define Debug2( ... ) do { if ( pls->debug ) { fprintf( stderr, __VA_ARGS__ ); } } while ( 0 )
#define Debug3( ... ) do { if ( pls->debug ) { fprintf( stderr, __VA_ARGS__ ); } } while ( 0 )
#endif
#define ReportWinError() do { \
LPVOID lpMsgBuf; \
FormatMessage( \
FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM, \
NULL, GetLastError(), \
MAKELANGID( LANG_NEUTRAL, SUBLANG_DEFAULT ), (LPTSTR) &lpMsgBuf, 0, NULL ); \
MessageBox( NULL, lpMsgBuf, "GetLastError", MB_OK | MB_ICONINFORMATION ); \
LocalFree( lpMsgBuf ); } while ( 0 )
#define CrossHairCursor() do { \
dev->cursor = LoadCursor( NULL, IDC_CROSS ); \
SetClassLong( dev->hwnd, GCL_HCURSOR, (long) dev->cursor ); \
SetCursor( dev->cursor ); } while ( 0 )
#define NormalCursor() do { \
dev->cursor = LoadCursor( NULL, IDC_ARROW ); \
SetClassLongPtr( dev->hwnd, GCL_HCURSOR, (LONG_PTR) dev->cursor ); \
SetCursor( dev->cursor ); } while ( 0 )
#define BusyCursor() do { \
dev->cursor = LoadCursor( NULL, IDC_WAIT ); \
SetClassLongPtr( dev->hwnd, GCL_HCURSOR, (LONG_PTR) dev->cursor ); \
SetCursor( dev->cursor ); } while ( 0 )
#define PopupPrint 0x08A1
#define PopupNextPage 0x08A2
#define PopupQuit 0x08A3
void plD_dispatch_init_wingcc( PLDispatchTable *pdt )
{
#ifndef ENABLE_DYNDRIVERS
pdt->pl_MenuStr = "Win32 GCC device";
pdt->pl_DevName = "wingcc";
#endif
pdt->pl_type = plDevType_Interactive;
pdt->pl_seq = 9;
pdt->pl_init = (plD_init_fp) plD_init_wingcc;
pdt->pl_line = (plD_line_fp) plD_line_wingcc;
pdt->pl_polyline = (plD_polyline_fp) plD_polyline_wingcc;
pdt->pl_eop = (plD_eop_fp) plD_eop_wingcc;
pdt->pl_bop = (plD_bop_fp) plD_bop_wingcc;
pdt->pl_tidy = (plD_tidy_fp) plD_tidy_wingcc;
pdt->pl_state = (plD_state_fp) plD_state_wingcc;
pdt->pl_esc = (plD_esc_fp) plD_esc_wingcc;
}
static TCHAR* szWndClass = _T( "PlplotWin" );
//--------------------------------------------------------------------------
// This is the window function for the plot window. Whenever a message is
// dispatched using DispatchMessage (or sent with SendMessage) this function
// gets called with the contents of the message.
//--------------------------------------------------------------------------
LRESULT CALLBACK PlplotWndProc( HWND hwnd, UINT nMsg, WPARAM wParam, LPARAM lParam )
{
PLStream *pls = NULL;
wingcc_Dev *dev = NULL;
//
// The window carries a 32bit user defined pointer which points to the
// plplot stream (pls). This is used for tracking the window.
// Unfortunately, this is "attached" to the window AFTER it is created
// so we can not initialise PLStream or wingcc_Dev "blindly" because
// they may not yet have been initialised.
// WM_CREATE is called before we get to initialise those variables, so
// we wont try to set them.
//
if ( nMsg == WM_CREATE )
{
return ( 0 );
}
else
{
#ifndef _WIN64
#undef GetWindowLongPtr
#define GetWindowLongPtr GetWindowLong
#endif
pls = (PLStream *) GetWindowLongPtr( hwnd, GWL_USERDATA ); // Try to get the address to pls for this window
if ( pls ) // If we got it, then we will initialise this windows plplot private data area
{
dev = (wingcc_Dev *) pls->dev;
}
}
//
// Process the windows messages
//
// Everything except WM_CREATE is done here and it is generally hoped that
// pls and dev are defined already by this stage.
// That will be true MOST of the time. Some times WM_PAINT will be called
// before we get to initialise the user data area of the window with the
// pointer to the windows plplot stream
//
switch ( nMsg )
{
case WM_DESTROY:
if ( dev )
Debug( "WM_DESTROY\t" );
PostQuitMessage( 0 );
return ( 0 );
break;
case WM_PAINT:
if ( dev )
{
Debug( "WM_PAINT\t" );
if ( GetUpdateRect( dev->hwnd, &dev->paintrect, TRUE ) )
{
BusyCursor();
BeginPaint( dev->hwnd, &dev->ps );
if ( ( dev->waiting == 1 ) && ( dev->already_erased == 1 ) )
{
Debug( "Remaking\t" );
if ( dev->ps.fErase )
{
dev->oldcolour = SetBkColor( dev->hdc, RGB( pls->cmap0[0].r, pls->cmap0[0].g, pls->cmap0[0].b ) );
ExtTextOut( dev->hdc, 0, 0, ETO_OPAQUE, &dev->rect, _T( "" ), 0, 0 );
SetBkColor( dev->hdc, dev->oldcolour );
}
plRemakePlot( pls );
CopySCRtoBMP( pls );
dev->already_erased++;
}
else if ( ( dev->waiting == 1 ) && ( dev->already_erased == 2 ) )
{
dev->oldobject = SelectObject( dev->hdc2, dev->bitmap );
BitBlt( dev->hdc, dev->paintrect.left, dev->paintrect.top,
dev->paintrect.right, dev->paintrect.bottom,
dev->hdc2, dev->paintrect.left, dev->paintrect.top, SRCCOPY );
SelectObject( dev->hdc2, dev->oldobject );
}
EndPaint( dev->hwnd, &dev->ps );
NormalCursor();
return ( 0 );
}
}
return ( 1 );
break;
case WM_SIZE:
if ( dev )
{
Debug( "WM_SIZE\t" );
if ( dev->enterresize == 0 )
Resize( pls );
}
return ( 0 );
break;
case WM_ENTERSIZEMOVE:
if ( dev )
{
Debug( "WM_ENTERSIZEMOVE\t" );
dev->enterresize = 1;
}
return ( 0 );
break;
case WM_EXITSIZEMOVE:
if ( dev )
{
Debug( "WM_EXITSIZEMOVE\t" );
Resize( pls );
dev->enterresize = 0; // Reset the variables that track sizing ops
}
return ( 0 );
break;
case WM_ERASEBKGND:
if ( dev )
{
if ( dev->already_erased == 0 )
{
Debug( "WM_ERASEBKGND\t" );
//
// This is a new "High Speed" way of filling in the background.
// supposidely this executes faster than creating a brush and
// filling a rectangle - go figure ?
//
dev->oldcolour = SetBkColor( dev->hdc, RGB( pls->cmap0[0].r, pls->cmap0[0].g, pls->cmap0[0].b ) );
ExtTextOut( dev->hdc, 0, 0, ETO_OPAQUE, &dev->rect, _T( "" ), 0, 0 );
SetBkColor( dev->hdc, dev->oldcolour );
dev->already_erased = 1;
return ( 1 );
}
}
return ( 0 );
break;
case WM_COMMAND:
if ( dev )
Debug( "WM_COMMAND\t" );
return ( 0 );
break;
}
// If we don't handle a message completely we hand it to the system
// provided default window function.
return DefWindowProc( hwnd, nMsg, wParam, lParam );
}
//--------------------------------------------------------------------------
// plD_init_wingcc()
//
// Initialize device (terminal).
//--------------------------------------------------------------------------
void
plD_init_wingcc( PLStream *pls )
{
wingcc_Dev *dev;
#ifdef PL_HAVE_FREETYPE
static int freetype = 0;
static int smooth_text = 0;
static int save_reg = 0;
FT_Data *FT;
//
// Variables used for reading the registary keys
// might eventually add a user defined pallette here, but for now it just does freetype
//
TCHAR key_name[] = _T( "Software\\PLplot\\wingcc" );
TCHAR Keyword_text[] = _T( "freetype" );
TCHAR Keyword_smooth[] = _T( "smooth" );
#endif
DrvOpt wingcc_options[] = {
#ifdef PL_HAVE_FREETYPE
{ "text", DRV_INT, &freetype, "Use driver text (FreeType)" },
{ "smooth", DRV_INT, &smooth_text, "Turn text smoothing on (1) or off (0)" },
{ "save", DRV_INT, &save_reg, "Save defaults to registary" },
#endif
{ NULL, DRV_INT, NULL, NULL }
};
//
// Variable for storing the program name
//
TCHAR *program;
int programlength;
// Allocate and initialize device-specific data
if ( pls->dev != NULL )
free( (void *) pls->dev );
pls->dev = calloc( 1, (size_t) sizeof ( wingcc_Dev ) );
if ( pls->dev == NULL )
plexit( "plD_init_wingcc_Dev: Out of memory." );
dev = (wingcc_Dev *) pls->dev;
pls->icol0 = 1; // Set a fall back pen colour in case user doesn't
pls->termin = 1; // interactive device
pls->graphx = GRAPHICS_MODE; // No text mode for this driver (at least for now, might add a console window if I ever figure it out and have the inclination)
pls->dev_fill0 = 1; // driver can do solid area fills
pls->dev_xor = 1; // driver supports xor mode
pls->dev_clear = 0; // driver does not support clear - what is the proper API?
pls->dev_dash = 0; // driver can not do dashed lines (yet)
pls->plbuf_write = 1; // driver uses the buffer for redraws
if ( !pls->colorset )
pls->color = 1;
#ifdef PL_HAVE_FREETYPE
//
// Read registry to see if the user has set up default values
// for text and smoothing. These will be overriden by anything that
// might be given on the command line, so we will load the
// values right into the same memory slots we pass to plParseDrvOpts
//
GetRegIntValue( key_name, Keyword_text, &freetype );
GetRegIntValue( key_name, Keyword_smooth, &smooth_text );
#endif
// Check for and set up driver options
plParseDrvOpts( wingcc_options );
#ifdef PL_HAVE_FREETYPE
//
// We will now save the settings to the registary if the user wants
//
if ( save_reg == 1 )
{
SetRegIntValue( key_name, Keyword_text, &freetype );
SetRegIntValue( key_name, Keyword_smooth, &smooth_text );
}
#endif
// Set up device parameters
if ( pls->xlength <= 0 || pls->ylength <= 0 )
{
// use default width, height of 800x600 if not specifed by -geometry option
// or plspage
plspage( 0., 0., 800, 600, 0, 0 );
}
dev->width = pls->xlength - 1; // should I use -1 or not???
dev->height = pls->ylength - 1;
//
// Begin initialising the window
//
// Initialize the entire structure to zero.
memset( &dev->wndclass, 0, sizeof ( WNDCLASSEX ) );
// This class is called WinTestWin
dev->wndclass.lpszClassName = szWndClass;
// cbSize gives the size of the structure for extensibility.
dev->wndclass.cbSize = sizeof ( WNDCLASSEX );
// All windows of this class redraw when resized.
dev->wndclass.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS | CS_OWNDC | CS_PARENTDC;
// All windows of this class use the WndProc window function.
dev->wndclass.lpfnWndProc = PlplotWndProc;
// This class is used with the current program instance.
dev->wndclass.hInstance = GetModuleHandle( NULL );
// Use standard application icon and arrow cursor provided by the OS
dev->wndclass.hIcon = LoadIcon( NULL, IDI_APPLICATION );
dev->wndclass.hIconSm = LoadIcon( NULL, IDI_APPLICATION );
dev->wndclass.hCursor = LoadCursor( NULL, IDC_ARROW );
// Color the background white
dev->wndclass.hbrBackground = NULL;
dev->wndclass.cbWndExtra = sizeof ( pls );
//
// Now register the window class for use.
//
RegisterClassEx( &dev->wndclass );
//
//convert the program name to wide char if needed
//
#ifdef UNICODE
printf( pls->program );
programlength = strlen( pls->program ) + 1;
program = malloc( programlength * sizeof ( TCHAR ) );
MultiByteToWideChar( CP_UTF8, 0, pls->program, programlength, program, programlength );
#else
program = pls->program;
#endif
//
// Create our main window using that window class.
//
dev->hwnd = CreateWindowEx( WS_EX_WINDOWEDGE + WS_EX_LEFT,
szWndClass, // Class name
program, // Caption
WS_OVERLAPPEDWINDOW, // Style
pls->xoffset, // Initial x (use default)
pls->yoffset, // Initial y (use default)
pls->xlength, // Initial x size (use default)
pls->ylength, // Initial y size (use default)
NULL, // No parent window
NULL, // No menu
dev->wndclass.hInstance, // This program instance
NULL // Creation parameters
);
#ifdef UNICODE
free( program );
#endif
//
// Attach a pointer to the stream to the window's user area
// this pointer will be used by the windows call back for
// process this window
//
#ifdef _WIN64
SetWindowLongPtr( dev->hwnd, GWL_USERDATA, (LONG_PTR) pls );
#else
SetWindowLong( dev->hwnd, GWL_USERDATA, (LONG) pls );
#endif
dev->SCRN_hdc = dev->hdc = GetDC( dev->hwnd );
//
// Setup the popup menu
//
dev->PopupMenu = CreatePopupMenu();
AppendMenu( dev->PopupMenu, MF_STRING, PopupPrint, _T( "Print" ) );
AppendMenu( dev->PopupMenu, MF_STRING, PopupNextPage, _T( "Next Page" ) );
AppendMenu( dev->PopupMenu, MF_STRING, PopupQuit, _T( "Quit" ) );
#ifdef PL_HAVE_FREETYPE
if ( freetype )
{
pls->dev_text = 1; // want to draw text
pls->dev_unicode = 1; // want unicode
init_freetype_lv1( pls );
FT = (FT_Data *) pls->FT;
FT->want_smooth_text = smooth_text;
}
#endif
plD_state_wingcc( pls, PLSTATE_COLOR0 );
//
// Display the window which we just created (using the nShow
// passed by the OS, which allows for start minimized and that
// sort of thing).
//
ShowWindow( dev->hwnd, SW_SHOWDEFAULT );
SetForegroundWindow( dev->hwnd );
//
// Set up the DPI etc...
//
if ( pls->xdpi <= 0 ) // Get DPI from windows
{
plspage( GetDeviceCaps( dev->hdc, HORZRES ) / GetDeviceCaps( dev->hdc, HORZSIZE ) * 25.4,
GetDeviceCaps( dev->hdc, VERTRES ) / GetDeviceCaps( dev->hdc, VERTSIZE ) * 25.4, 0, 0, 0, 0 );
}
else
{
pls->ydpi = pls->xdpi; // Set X and Y dpi's to the same value
}
//
// Now we have to find out, from windows, just how big our drawing area is
// when we specified the page size earlier on, that includes the borders,
// title bar etc... so now that windows has done all its initialisations,
// we will ask how big the drawing area is, and tell plplot
//
GetClientRect( dev->hwnd, &dev->rect );
dev->width = dev->rect.right;
dev->height = dev->rect.bottom;
if ( dev->width > dev->height ) // Work out the scaling factor for the
{ // "virtual" (oversized) page
dev->scale = (PLFLT) ( PIXELS_X - 1 ) / dev->width;
}
else
{
dev->scale = (PLFLT) PIXELS_Y / dev->height;
}
Debug2( "Scale = %f (FLT)\n", dev->scale );
plP_setpxl( dev->scale * pls->xdpi / 25.4, dev->scale * pls->ydpi / 25.4 );
plP_setphy( 0, (PLINT) ( dev->scale * dev->width ), 0, (PLINT) ( dev->scale * dev->height ) );
// Set fill rule.
if ( pls->dev_eofill )
SetPolyFillMode( dev->hdc, ALTERNATE );
else
SetPolyFillMode( dev->hdc, WINDING );
#ifdef PL_HAVE_FREETYPE
if ( pls->dev_text )
{
init_freetype_lv2( pls );
}
#endif
}
//--------------------------------------------------------------------------
// plD_line_wingcc()
//
// Draw a line in the current color from (x1,y1) to (x2,y2).
//--------------------------------------------------------------------------
void
plD_line_wingcc( PLStream *pls, short x1a, short y1a, short x2a, short y2a )
{
wingcc_Dev *dev = (wingcc_Dev *) pls->dev;
POINT points[2];
points[0].x = (LONG) ( x1a / dev->scale );
points[1].x = (LONG) ( x2a / dev->scale );
points[0].y = (LONG) ( dev->height - ( y1a / dev->scale ) );
points[1].y = (LONG) ( dev->height - ( y2a / dev->scale ) );
dev->oldobject = SelectObject( dev->hdc, dev->pen );
if ( points[0].x != points[1].x || points[0].y != points[1].y )
{
Polyline( dev->hdc, points, 2 );
}
else
{
SetPixel( dev->hdc, points[0].x, points[0].y, dev->colour );
}
SelectObject( dev->hdc, dev->oldobject );
}
//--------------------------------------------------------------------------
// plD_polyline_wingcc()
//
// Draw a polyline in the current color.
//--------------------------------------------------------------------------
void
plD_polyline_wingcc( PLStream *pls, short *xa, short *ya, PLINT npts )
{
wingcc_Dev *dev = (wingcc_Dev *) pls->dev;
int i;
POINT *points = NULL;
if ( npts > 0 )
{
points = GlobalAlloc( GMEM_ZEROINIT | GMEM_FIXED, (size_t) npts * sizeof ( POINT ) );
if ( points != NULL )
{
for ( i = 0; i < npts; i++ )
{
points[i].x = (LONG) ( xa[i] / dev->scale );
points[i].y = (LONG) ( dev->height - ( ya[i] / dev->scale ) );
}
dev->oldobject = SelectObject( dev->hdc, dev->pen );
Polyline( dev->hdc, points, npts );
SelectObject( dev->hdc, dev->oldobject );
GlobalFree( points );
}
else
{
plexit( "Could not allocate memory to \"plD_polyline_wingcc\"\n" );
}
}
}
//--------------------------------------------------------------------------
// plD_fill_polygon_wingcc()
//
// Fill polygon described in points pls->dev_x[] and pls->dev_y[].
//--------------------------------------------------------------------------
static void
plD_fill_polygon_wingcc( PLStream *pls )
{
wingcc_Dev *dev = (wingcc_Dev *) pls->dev;
int i;
POINT *points = NULL;
HPEN hpen, hpenOld;
if ( pls->dev_npts > 0 )
{
points = GlobalAlloc( GMEM_ZEROINIT, (size_t) pls->dev_npts * sizeof ( POINT ) );
if ( points == NULL )
plexit( "Could not allocate memory to \"plD_fill_polygon_wingcc\"\n" );
for ( i = 0; i < pls->dev_npts; i++ )
{
points[i].x = (PLINT) ( pls->dev_x[i] / dev->scale );
points[i].y = (PLINT) ( dev->height - ( pls->dev_y[i] / dev->scale ) );
}
dev->fillbrush = CreateSolidBrush( dev->colour );
hpen = CreatePen( PS_SOLID, 1, dev->colour );
dev->oldobject = SelectObject( dev->hdc, dev->fillbrush );
hpenOld = SelectObject( dev->hdc, hpen );
Polygon( dev->hdc, points, pls->dev_npts );
SelectObject( dev->hdc, dev->oldobject );
DeleteObject( dev->fillbrush );
SelectObject( dev->hdc, hpenOld );
DeleteObject( hpen );
GlobalFree( points );
}
}
//--------------------------------------------------------------------------
// static void CopySCRtoBMP(PLStream *pls)
// Function copies the screen contents into a bitmap which is
// later used for fast redraws of the screen (when it gets corrupted)
// rather than remaking the plot from the plot buffer.
//--------------------------------------------------------------------------
static void CopySCRtoBMP( PLStream *pls )
{
wingcc_Dev *dev = (wingcc_Dev *) pls->dev;
//
// Clean up the old bitmap and DC
//
if ( dev->hdc2 != NULL )
DeleteDC( dev->hdc2 );
if ( dev->bitmap != NULL )
DeleteObject( dev->bitmap );
dev->hdc2 = CreateCompatibleDC( dev->hdc );
GetClientRect( dev->hwnd, &dev->rect );
dev->bitmap = CreateCompatibleBitmap( dev->hdc, dev->rect.right, dev->rect.bottom );
dev->oldobject = SelectObject( dev->hdc2, dev->bitmap );
BitBlt( dev->hdc2, 0, 0, dev->rect.right, dev->rect.bottom, dev->hdc, 0, 0, SRCCOPY );
SelectObject( dev->hdc2, dev->oldobject );
}
void
plD_eop_wingcc( PLStream *pls )
{
wingcc_Dev *dev = (wingcc_Dev *) pls->dev;
Debug( "End of the page\n" );
CopySCRtoBMP( pls );
dev->already_erased = 2;
NormalCursor();
if ( !pls->nopause )
{
dev->waiting = 1;
while ( GetMessage( &dev->msg, NULL, 0, 0 ) )
{
TranslateMessage( &dev->msg );
switch ( (int) dev->msg.message )
{
case WM_CONTEXTMENU:
case WM_RBUTTONDOWN:
TrackPopupMenu( dev->PopupMenu, TPM_CENTERALIGN | TPM_RIGHTBUTTON, LOWORD( dev->msg.lParam ),
HIWORD( dev->msg.lParam ), 0, dev->hwnd, NULL );
break;
case WM_CHAR:
if ( ( (TCHAR) ( dev->msg.wParam ) == 32 ) ||
( (TCHAR) ( dev->msg.wParam ) == 13 ) )
{
dev->waiting = 0;
}
else if ( ( (TCHAR) ( dev->msg.wParam ) == 27 ) ||
( (TCHAR) ( dev->msg.wParam ) == 'q' ) ||
( (TCHAR) ( dev->msg.wParam ) == 'Q' ) )
{
dev->waiting = 0;
PostQuitMessage( 0 );
}
break;
case WM_LBUTTONDBLCLK:
Debug( "WM_LBUTTONDBLCLK\t" );
dev->waiting = 0;
break;
case WM_COMMAND:
switch ( LOWORD( dev->msg.wParam ) )
{
case PopupPrint:
Debug( "PopupPrint" );
PrintPage( pls );
break;
case PopupNextPage:
Debug( "PopupNextPage" );
dev->waiting = 0;
break;
case PopupQuit:
Debug( "PopupQuit" );
dev->waiting = 0;
PostQuitMessage( 0 );
break;
}
break;
default:
DispatchMessage( &dev->msg );
break;
}
if ( dev->waiting == 0 )
break;
}
}
}
//--------------------------------------------------------------------------
// Beginning of the new page
//--------------------------------------------------------------------------
void
plD_bop_wingcc( PLStream *pls )
{
wingcc_Dev *dev = (wingcc_Dev *) pls->dev;
#ifdef PL_HAVE_FREETYPE
FT_Data *FT = (FT_Data *) pls->FT;
#endif
Debug( "Start of Page\t" );
//
// Turn the cursor to a busy sign, clear the page by "invalidating" it
// then reset the colours and pen width
//
BusyCursor();
dev->already_erased = 0;
RedrawWindow( dev->hwnd, NULL, NULL, RDW_ERASE | RDW_INVALIDATE | RDW_ERASENOW );
plD_state_wingcc( pls, PLSTATE_COLOR0 );
}
void
plD_tidy_wingcc( PLStream *pls )
{
wingcc_Dev *dev = NULL;
#ifdef PL_HAVE_FREETYPE
if ( pls->dev_text )
{
FT_Data *FT = (FT_Data *) pls->FT;
plscmap0n( FT->ncol0_org );
plD_FreeType_Destroy( pls );
}
#endif
Debug( "plD_tidy_wingcc" );
if ( pls->dev != NULL )
{
dev = (wingcc_Dev *) pls->dev;
DeleteMenu( dev->PopupMenu, PopupPrint, 0 );
DeleteMenu( dev->PopupMenu, PopupNextPage, 0 );
DeleteMenu( dev->PopupMenu, PopupQuit, 0 );
DestroyMenu( dev->PopupMenu );
if ( dev->hdc2 != NULL )
DeleteDC( dev->hdc2 );
if ( dev->hdc != NULL )
ReleaseDC( dev->hwnd, dev->hdc );
if ( dev->bitmap != NULL )
DeleteObject( dev->bitmap );
free_mem( pls->dev );
}
}
//--------------------------------------------------------------------------
// plD_state_png()
//
// Handle change in PLStream state (color, pen width, fill attribute, etc).
//--------------------------------------------------------------------------
void
plD_state_wingcc( PLStream *pls, PLINT op )
{
wingcc_Dev *dev = (wingcc_Dev *) pls->dev;
switch ( op )
{
case PLSTATE_COLOR0:
case PLSTATE_COLOR1:
dev->colour = RGB( pls->curcolor.r, pls->curcolor.g, pls->curcolor.b );
break;
case PLSTATE_CMAP0:
case PLSTATE_CMAP1:
dev->colour = RGB( pls->curcolor.r, pls->curcolor.g, pls->curcolor.b );
break;
}
if ( dev->pen != NULL )
DeleteObject( dev->pen );
dev->pen = CreatePen( PS_SOLID, pls->width, dev->colour );
}
void
plD_esc_wingcc( PLStream *pls, PLINT op, void *ptr )
{
wingcc_Dev *dev = (wingcc_Dev *) pls->dev;
switch ( op )
{
case PLESC_GETC:
break;
case PLESC_FILL:
plD_fill_polygon_wingcc( pls );
break;
case PLESC_DOUBLEBUFFERING:
break;
case PLESC_XORMOD:
if ( *(PLINT *) ( ptr ) == 0 )
SetROP2( dev->hdc, R2_COPYPEN );
else
SetROP2( dev->hdc, R2_XORPEN );
break;
#ifdef PL_HAVE_FREETYPE
case PLESC_HAS_TEXT:
plD_render_freetype_text( pls, (EscText *) ptr );
break;
// case PLESC_LIKES_UNICODE:
// plD_render_freetype_sym(pls, (EscText *)ptr);
// break;
#endif
}
}
//--------------------------------------------------------------------------
// static void Resize( PLStream *pls )
//
// This function calculates how to resize a window after a message has been
// received from windows telling us the window has been changed.
// It tries to recalculate the scale of the window so everything works out
// just right.
// The window is only resized if plplot has finished all of its plotting.
// That means that if you resize while a picture is being plotted,
// unpredictable results may result. The reason I do this is because the
// resize function calls redraw window, which replays the whole plot.
//--------------------------------------------------------------------------
static void Resize( PLStream *pls )
{
wingcc_Dev *dev = (wingcc_Dev *) pls->dev;
#ifdef PL_HAVE_FREETYPE
FT_Data *FT = (FT_Data *) pls->FT;
#endif
Debug( "Resizing" );
if ( dev->waiting == 1 ) // Only resize the window IF plplot has finished with it
{
memcpy( &dev->oldrect, &dev->rect, sizeof ( RECT ) );
GetClientRect( dev->hwnd, &dev->rect );
Debug3( "[%d %d]", dev->rect.right, dev->rect.bottom );
if ( ( dev->rect.right > 0 ) && ( dev->rect.bottom > 0 ) ) // Check to make sure it isn't just minimised (i.e. zero size)
{
if ( memcmp( &dev->rect, &dev->oldrect, sizeof ( RECT ) ) != 0 ) // See if the window's changed size or not
{
dev->already_erased = 0;
dev->width = dev->rect.right;
dev->height = dev->rect.bottom;
if ( dev->width > dev->height ) // Work out the scaling factor for the
{ // "virtual" (oversized) page
dev->scale = (PLFLT) ( PIXELS_X - 1 ) / dev->width;
}
else
{
dev->scale = (PLFLT) PIXELS_Y / dev->height;
}
#ifdef PL_HAVE_FREETYPE
if ( FT )
{
FT->scale = dev->scale;
FT->ymax = dev->height;
}
#endif
}
RedrawWindow( dev->hwnd, NULL, NULL, RDW_ERASE | RDW_INVALIDATE | RDW_ERASENOW );
}
else
{
memcpy( &dev->rect, &dev->oldrect, sizeof ( RECT ) ); // restore the old size to current size since the window is minimised
}
}
}
//--------------------------------------------------------------------------
// int SetRegValue(char *key_name, char *key_word, char *buffer,int dwType, int size)
//
// Function set the registry; if registary entry does not exist, it is
// created. Actually, the key is created before it is set just to make sure
// that is is there !
//--------------------------------------------------------------------------
static int SetRegValue( TCHAR *key_name, TCHAR *key_word, char *buffer, int dwType, int size )
{
int j = 0;
DWORD lpdwDisposition;
HKEY hKey;
j = RegCreateKeyEx(
HKEY_CURRENT_USER,
key_name,
0, // reserved
NULL, // address of class string
REG_OPTION_NON_VOLATILE, // special options flag
KEY_WRITE, // desired security access
NULL, // address of key security structure
&hKey, // address of buffer for opened handle
&lpdwDisposition // address of disposition value buffer
);
if ( j == ERROR_SUCCESS )
{
RegSetValueEx( hKey, key_word, 0, dwType, buffer, size );
RegCloseKey( hKey );
}
return ( j );
}
//--------------------------------------------------------------------------
// int GetRegValue(char *key_name, char *key_word, char *buffer, int size)
//
// Function reads the registry and gets a string value from it
// buffer must be allocated by the caller, and the size is given in the size
// paramater.
// Return code is 1 for success, and 0 for failure.
//--------------------------------------------------------------------------
static int GetRegValue( TCHAR *key_name, TCHAR *key_word, char *buffer, int size )
{
int ret = 0;
HKEY hKey;
int dwType;
int dwSize = size;
if ( RegOpenKeyEx( HKEY_CURRENT_USER, key_name, 0, KEY_READ, &hKey ) == ERROR_SUCCESS )
{
if ( RegQueryValueEx( hKey, key_word, 0, (LPDWORD) &dwType, buffer, (LPDWORD) &dwSize ) == ERROR_SUCCESS )
{
ret = 1;
}
RegCloseKey( hKey );
}
return ( ret );
}
#ifdef PL_HAVE_FREETYPE
//--------------------------------------------------------------------------
// void plD_pixel_wingcc (PLStream *pls, short x, short y)
//
// callback function, of type "plD_pixel_fp", which specifies how a single
// pixel is set in the current colour.
//--------------------------------------------------------------------------
static void plD_pixel_wingcc( PLStream *pls, short x, short y )
{
wingcc_Dev *dev = (wingcc_Dev *) pls->dev;
SetPixel( dev->hdc, x, y, dev->colour );
}
static void plD_pixelV_wingcc( PLStream *pls, short x, short y )
{
wingcc_Dev *dev = (wingcc_Dev *) pls->dev;
SetPixelV( dev->hdc, x, y, dev->colour );
}
//--------------------------------------------------------------------------
// void plD_set_pixelV_wingcc (PLStream *pls, short x, short y,PLINT colour)
//
// callback function, of type "plD_set_pixel_fp", which specifies how a
// single pixel is set in the s[ecified colour. This colour
// by-passes plplot's internal table, and directly 'hits the hardware'.
//--------------------------------------------------------------------------
static void plD_set_pixel_wingcc( PLStream *pls, short x, short y, PLINT colour )
{
wingcc_Dev *dev = (wingcc_Dev *) pls->dev;
SetPixel( dev->hdc, x, y, colour );
}
static void plD_set_pixelV_wingcc( PLStream *pls, short x, short y, PLINT colour )
{
wingcc_Dev *dev = (wingcc_Dev *) pls->dev;
SetPixelV( dev->hdc, x, y, colour );
}
//--------------------------------------------------------------------------
// void plD_read_pixel_wingcc (PLStream *pls, short x, short y)
//
// callback function, of type "plD_pixel_fp", which specifies how a single
// pixel is read.
//--------------------------------------------------------------------------
static PLINT plD_read_pixel_wingcc( PLStream *pls, short x, short y )
{
wingcc_Dev *dev = (wingcc_Dev *) pls->dev;
return ( GetPixel( dev->hdc, x, y ) );
}
//--------------------------------------------------------------------------
// void init_freetype_lv1 (PLStream *pls)
//
// "level 1" initialisation of the freetype library.
// "Level 1" initialisation calls plD_FreeType_init(pls) which allocates
// memory to the pls->FT structure, then sets up the pixel callback
// function.
//--------------------------------------------------------------------------
static void init_freetype_lv1( PLStream *pls )
{
FT_Data *FT;
int x;
wingcc_Dev *dev = (wingcc_Dev *) pls->dev;
plD_FreeType_init( pls );
FT = (FT_Data *) pls->FT;
//
// Work out if our device support "fast" pixel setting
// and if so, use that instead of "slow" pixel setting
//
x = GetDeviceCaps( dev->hdc, RASTERCAPS );
if ( x & RC_BITBLT )
FT->pixel = (plD_pixel_fp) plD_pixelV_wingcc;
else
FT->pixel = (plD_pixel_fp) plD_pixel_wingcc;
//
// See if we have a 24 bit device (or better), in which case
// we can use the better antialaaising.
//
if ( GetDeviceCaps( dev->hdc, BITSPIXEL ) > 24 )
{
FT->BLENDED_ANTIALIASING = 1;
FT->read_pixel = (plD_read_pixel_fp) plD_read_pixel_wingcc;
if ( x & RC_BITBLT )
FT->set_pixel = (plD_set_pixel_fp) plD_set_pixelV_wingcc;
else
FT->set_pixel = (plD_set_pixel_fp) plD_set_pixel_wingcc;
}
}
//--------------------------------------------------------------------------
// void init_freetype_lv2 (PLStream *pls)
//
// "Level 2" initialisation of the freetype library.
// "Level 2" fills in a few setting that aren't public until after the
// graphics sub-system has been initialised.
// The "level 2" initialisation fills in a few things that are defined
// later in the initialisation process for the GD driver.
//
// FT->scale is a scaling factor to convert co-ordinates. This is used by
// the GD and other drivers to scale back a larger virtual page and this
// eliminate the "hidden line removal bug". Set it to 1 if your device
// doesn't have scaling.
//
// Some coordinate systems have zero on the bottom, others have zero on
// the top. Freetype does it one way, and most everything else does it the
// other. To make sure everything is working ok, we have to "flip" the
// coordinates, and to do this we need to know how big in the Y dimension
// the page is, and whether we have to invert the page or leave it alone.
//
// FT->ymax specifies the size of the page FT->invert_y=1 tells us to
// invert the y-coordinates, FT->invert_y=0 will not invert the
// coordinates.
//--------------------------------------------------------------------------
static void init_freetype_lv2( PLStream *pls )
{
wingcc_Dev *dev = (wingcc_Dev *) pls->dev;
FT_Data *FT = (FT_Data *) pls->FT;
FT->scale = dev->scale;
FT->ymax = dev->height;
FT->invert_y = 1;
if ( ( FT->want_smooth_text == 1 ) && ( FT->BLENDED_ANTIALIASING == 0 ) ) // do we want to at least *try* for smoothing ?
{
FT->ncol0_org = pls->ncol0; // save a copy of the original size of ncol0
FT->ncol0_xtra = 16777216 - ( pls->ncol1 + pls->ncol0 ); // work out how many free slots we have
FT->ncol0_width = max_number_of_grey_levels_used_in_text_smoothing; // find out how many different shades of anti-aliasing we can do
FT->ncol0_width = max_number_of_grey_levels_used_in_text_smoothing; // set a maximum number of shades
plscmap0n( FT->ncol0_org + ( FT->ncol0_width * pls->ncol0 ) ); // redefine the size of cmap0
// the level manipulations are to turn off the plP_state(PLSTATE_CMAP0)
// call in plscmap0 which (a) leads to segfaults since the GD image is
// not defined at this point and (b) would be inefficient in any case since
// setcmap is always called later (see plD_bop_png) to update the driver
// color palette to be consistent with cmap0.
{
PLINT level_save;
level_save = pls->level;
pls->level = 0;
pl_set_extended_cmap0( pls, FT->ncol0_width, FT->ncol0_org ); // call the function to add the extra cmap0 entries and calculate stuff
pls->level = level_save;
}
FT->smooth_text = 1; // Yippee ! We had success setting up the extended cmap0
}
else if ( ( FT->want_smooth_text == 1 ) && ( FT->BLENDED_ANTIALIASING == 1 ) ) // If we have a truecolour device, we wont even bother trying to change the palette
{
FT->smooth_text = 1;
}
}
#endif
//--------------------------------------------------------------------------
// static void UpdatePageMetrics ( PLStream *pls, char flag )
//
// UpdatePageMetrics is a simple function which simply gets new vales for
// a changed DC, be it swapping from printer to screen or vice-versa.
// The flag variable is used to tell the function if it is updating
// from the printer (1) or screen (0).
//--------------------------------------------------------------------------
static void UpdatePageMetrics( PLStream *pls, char flag )
{
wingcc_Dev *dev = (wingcc_Dev *) pls->dev;
#ifdef PL_HAVE_FREETYPE
FT_Data *FT = (FT_Data *) pls->FT;
#endif
if ( flag == 1 )
{
dev->width = GetDeviceCaps( dev->hdc, HORZRES ); // Get the page size from the printer
dev->height = GetDeviceCaps( dev->hdc, VERTRES );
}
else
{
GetClientRect( dev->hwnd, &dev->rect );
dev->width = dev->rect.right;
dev->height = dev->rect.bottom;
}
if ( dev->width > dev->height ) // Work out the scaling factor for the
{ // "virtual" (oversized) page
dev->scale = (PLFLT) ( PIXELS_X - 1 ) / dev->width;
}
else
{
dev->scale = (PLFLT) PIXELS_Y / dev->height;
}
#ifdef PL_HAVE_FREETYPE
if ( FT ) // If we are using freetype, then set it up next
{
FT->scale = dev->scale;
FT->ymax = dev->height;
if ( GetDeviceCaps( dev->hdc, RASTERCAPS ) & RC_BITBLT )
FT->pixel = (plD_pixel_fp) plD_pixelV_wingcc;
else
FT->pixel = (plD_pixel_fp) plD_pixel_wingcc;
}
#endif
pls->xdpi = GetDeviceCaps( dev->hdc, HORZRES ) / GetDeviceCaps( dev->hdc, HORZSIZE ) * 25.4;
pls->ydpi = GetDeviceCaps( dev->hdc, VERTRES ) / GetDeviceCaps( dev->hdc, VERTSIZE ) * 25.4;
plP_setpxl( dev->scale * pls->xdpi / 25.4, dev->scale * pls->ydpi / 25.4 );
plP_setphy( 0, (PLINT) ( dev->scale * dev->width ), 0, (PLINT) ( dev->scale * dev->height ) );
}
//--------------------------------------------------------------------------
// static void PrintPage ( PLStream *pls )
//
// Function brings up a standard printer dialog and, after the user
// has selected a printer, replots the current page to the windows
// printer.
//--------------------------------------------------------------------------
static void PrintPage( PLStream *pls )
{
wingcc_Dev *dev = (wingcc_Dev *) pls->dev;
#ifdef PL_HAVE_FREETYPE
FT_Data *FT = (FT_Data *) pls->FT;
#endif
PRINTDLG Printer;
DOCINFO docinfo;
//
// Reset the docinfo structure to 0 and set it's fields up
// This structure is used to supply a name to the print queue
//
ZeroMemory( &docinfo, sizeof ( docinfo ) );
docinfo.cbSize = sizeof ( docinfo );
docinfo.lpszDocName = _T( "Plplot Page" );
//
// Reset out printer structure to zero and initialise it
//
ZeroMemory( &Printer, sizeof ( PRINTDLG ) );
Printer.lStructSize = sizeof ( PRINTDLG );
Printer.hwndOwner = dev->hwnd;
Printer.Flags = PD_NOPAGENUMS | PD_NOSELECTION | PD_RETURNDC;
Printer.nCopies = 1;
//
// Call the printer dialog function.
// If the user has clicked on "Print", then we will continue
// processing and print out the page.
//
if ( PrintDlg( &Printer ) != 0 )
{
//
// Before doing anything, we will take some backup copies
// of the existing values for page size and the like, because
// all we are going to do is a quick and dirty modification
// of plplot's internals to match the new page size and hope
// it all works out ok. After that, we will manip the values,
// and when all is done, restore them.
//
if ( ( dev->push = GlobalAlloc( GMEM_ZEROINIT, sizeof ( wingcc_Dev ) ) ) != NULL )
{
BusyCursor();
memcpy( dev->push, dev, sizeof ( wingcc_Dev ) );
dev->hdc = dev->PRNT_hdc = Printer.hDC; // Copy the printer HDC
UpdatePageMetrics( pls, 1 );
#ifdef PL_HAVE_FREETYPE
if ( FT ) // If we are using freetype, then set it up next
{
dev->FT_smooth_text = FT->smooth_text; // When printing, we don't want smoothing
FT->smooth_text = 0;
}
#endif
//
// Now the stuff that actually does the printing !!
//
StartDoc( dev->hdc, &docinfo );
plRemakePlot( pls );
EndDoc( dev->hdc );
//
// Now to undo everything back to what it was for the screen
//
dev->hdc = dev->SCRN_hdc; // Reset the screen HDC to the default
UpdatePageMetrics( pls, 0 );
#ifdef PL_HAVE_FREETYPE
if ( FT ) // If we are using freetype, then set it up next
{
FT->smooth_text = dev->FT_smooth_text;
}
#endif
memcpy( dev, dev->push, sizeof ( wingcc_Dev ) ); // POP our "stack" now to restore the values
GlobalFree( dev->push );
NormalCursor();
RedrawWindow( dev->hwnd, NULL, NULL, RDW_ERASE | RDW_INVALIDATE | RDW_ERASENOW );
}
}
}
#else
int
pldummy_wingcc()
{
return ( 0 );
}
#endif // PLD_wingccdev
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