ncview NC文件查看器

/* * Ncview by David W. Pierce. A visual netCDF file viewer. * Copyright (C) 1993-2010 David W. Pierce * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 3 as * published by the Free Software Foundation. * * This program 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 General Public License, version 3, for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * * David W. Pierce * 6259 Caminito Carrena * San Diego, CA 92122 * pierce@cirrus.ucsd.edu */ /***************************************************************************** * * Elements which implement the X Windows user interface to ncview * *****************************************************************************/ #include "../ncview.includes.h" #include "../ncview.defines.h" #include "../ncview.protos.h" #include "../ncview.bitmaps.h" #include "fallback_resources.h" #include <X11/CoreP.h> #include <X11/CoreP.h> #ifdef INC_PPM #include "ppm.h" #endif #define DEFAULT_BUTTON_WIDTH 55 #define DEFAULT_LABEL_WIDTH 400 #define DEFAULT_DIMLABEL_WIDTH 95 #define DEFAULT_VARLABEL_WIDTH 95 #define DEFAULT_N_VARS_PER_ROW 4 #define DEFAULT_BLOWUP_SIZE 300 #define DEFAULT_VAR_COLORS 1 #define DEFAULT_AUTO_OVERLAY 1 #define N_EXTRA_COLORS 10 #define CBAR_HEIGHT 24 #define XtNlabelWidth "labelWidth" #define XtCLabelWidth "LabelWidth" #define XtNblowupDefaultSize "blowupDefaultSize" #define XtCBlowupDefaultSize "BlowupDefaultSize" #define XtNdimLabelWidth "dimLabelWidth" #define XtCDimLabelWidth "DimLabelWidth" #define XtNvarLabelWidth "varLabelWidth" #define XtCVarLabelWidth "VarLabelWidth" #define XtNbuttonWidth "buttonWidth" #define XtCButtonWidth "ButtonWidth" #define XtNnVarsPerRow "nVarsPerRow" #define XtCNVarsPerRow "NVarsPerRow" #define XtNdeltaStep "deltaStep" #define XtCDeltaStep "DeltaStep" #define XtNversion "version" #define XtCVersion "Version" #define XtNvarcolors "varColors" #define XtCvarcolors "VarColors" #define XtNautooverlay "autoOverlay" #define XtCautooverlay "AutoOverlay" #define XtNforeground1d "foreground1d" #define XtCforeground1d "Foreground1d" #define XtNforeground2d "foreground2d" #define XtCforeground2d "Foreground2d" #define XtNforeground3d "foreground3d" #define XtCforeground3d "Foreground3d" #define XtNforeground4d "foreground4d" #define XtCforeground4d "Foreground4d" #define XtNforeground5d "foreground5d" #define XtCforeground5d "Foreground5d" #define ORDER_RGB 1 /* R mask > B mask */ #define ORDER_BGR 2 /* B mask > R mask */ /* This is used to hold key info about the X server * that we use when we try to create an image. */ typedef struct { int bits_per_pixel, byte_order, bytes_per_pixel, bitmap_unit, bitmap_pad, rgb_order, shift_red, shift_green_upper, shift_green_lower, shift_blue, depth, width, height; unsigned long mask_red, mask_green_upper, mask_green_lower, mask_blue; } Server_Info; /**************************/ extern NCVar *variables; extern Options options; extern ncv_pixel *pixel_transform; /**************************/ typedef struct { int label_width; /* width of the informational labels */ int dimlabel_width; /* as above, but for dimension labls */ int varlabel_width; /* as above, but for variable labls */ int blowup_default_size; /* default size, in pixels, of newly opened windows */ int button_width; /* width of the control buttons */ int n_vars_per_row; /* how many vars in one row before * we start another. */ int delta_step; /* Becomes options.delta_step */ float version; /* Must match compiled in version */ int var_colors; /* 1 to use var colors, 0 not to */ int auto_overlay; /* 1 to automatically put on overlays, 0 not to */ Pixel foreground1d; Pixel foreground2d; Pixel foreground3d; Pixel foreground4d; Pixel foreground5d; } AppData, *AppDataPtr; typedef struct { XColor *color_list; void *next, *prev; char *name; ncv_pixel *pixel_transform; } Cmaplist; /* These are "global" to this directory, in the sense that other files * in this directory use them. */ Widget topLevel; XtAppContext x_app_context; static Cmaplist *colormap_list = NULL, *current_colormap_list = NULL; static Colormap current_colormap = (Colormap)NULL; static AppData app_data; static Server_Info server; static XtIntervalId timer; static int timer_enabled = FALSE, ccontour_popped_up = FALSE, valid_display; static float default_version_number = 0.0; static Pixmap reverse_pixmap, backwards_pixmap, pause_pixmap, forward_pixmap, fastforward_pixmap; /* Not static cuz used by set_options.c */ Pixmap open_circle_pixmap, closed_circle_pixmap; static XEvent event; static Widget error_popup_widget = NULL, error_popupcanvas_widget, error_popupdialog_widget, dimsel_popup_widget, dimsel_popupcanvas_widget, dimsel_ok_button_widget, dimsel_cancel_button_widget, ccontourpanel_widget, ccontour_form_widget, ccontour_info1_widget, ccontour_viewport_widget, horiz_scroll_widget, vert_scroll_widget, ccontour_widget, ccontour_info2_widget, commandcanvas_widget, buttonbox_widget, label1_widget, label2_widget, label3_widget, label4_widget, label5_widget, quit_button_widget, restart_button_widget, reverse_button_widget, backwards_button_widget, pause_button_widget, forward_button_widget, fastforward_button_widget, edit_button_widget, info_button_widget, scrollspeed_label_widget, scrollspeed_widget, options_button_widget, optionbox_widget, cmap_button_widget, invert_button_widget, invert_color_button_widget, blowup_widget, transform_widget, dimset_widget, range_widget, blowup_type_widget, print_button_widget, colorbar_form_widget, colorbar_widget, varsel_form_widget, *var_selection_widget, /* the boxes with N vars per box */ varlist_label_widget, *varlist_widget, /* The buttons that select a var */ varsel_menu_widget, /* Only if using menu-style var selection */ var_menu_1d, /* ditto */ var_menu_2d, /* ditto */ var_menu_3d, /* ditto */ var_menu_4d, /* ditto */ var_menu_other, /* ditto */ labels_row_widget, lr_dim_widget, lr_name_widget, lr_min_widget, lr_cur_widget, lr_max_widget, lr_units_widget, *diminfo_row_widget = NULL, *diminfo_dim_widget = NULL, *diminfo_name_widget = NULL, *diminfo_min_widget = NULL, *diminfo_cur_widget = NULL, *diminfo_max_widget = NULL, *diminfo_units_widget = NULL, xdim_selection_widget, xdimlist_label_widget, *xdimlist_widget = NULL, ydim_selection_widget, ydimlist_label_widget, *ydimlist_widget = NULL; static XtResource resources[] = { { XtNlabelWidth, XtCLabelWidth, XtRInt, sizeof( int ), XtOffset( AppDataPtr, label_width ), XtRImmediate, (XtPointer)DEFAULT_LABEL_WIDTH, }, { XtNblowupDefaultSize, XtCBlowupDefaultSize, XtRInt, sizeof( int ), XtOffset( AppDataPtr, blowup_default_size ), XtRImmediate, (XtPointer)DEFAULT_BLOWUP_SIZE, }, { XtNdimLabelWidth, XtCDimLabelWidth, XtRInt, sizeof( int ), XtOffset( AppDataPtr, dimlabel_width ), XtRImmediate, (XtPointer)DEFAULT_DIMLABEL_WIDTH, }, { XtNvarLabelWidth, XtCVarLabelWidth, XtRInt, sizeof( int ), XtOffset( AppDataPtr, varlabel_width ), XtRImmediate, (XtP