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opt / alt / libicu / usr / share / doc / alt-libicu-devel / samples / layout /

?? ..
?? FontMap.GDI(426 B)
?? FontMap.Gnome(392 B)
?? FontMap.cpp(7.34 KB)
?? FontMap.h(1.84 KB)
?? FontTableCache.cpp(2.37 KB)
?? FontTableCache.h(1.06 KB)
?? GDIFontInstance.cpp(9.6 KB)
?? GDIFontInstance.h(3.6 KB)
?? GDIFontMap.cpp(1.32 KB)
?? GDIFontMap.h(1.23 KB)
?? GDIGUISupport.cpp(862 B)
?? GDIGUISupport.h(949 B)
?? GUISupport.h(890 B)
?? GnomeFontInstance.cpp(5.43 KB)
?? GnomeFontInstance.h(3.79 KB)
?? GnomeFontMap.cpp(1.39 KB)
?? GnomeFontMap.h(1.21 KB)
?? GnomeGUISupport.cpp(1.05 KB)
?? GnomeGUISupport.h(961 B)
?? LayoutSample.rc(3.37 KB)
?? Makefile(2.92 KB)
?? Makefile.in(2.92 KB)
?? RenderingSurface.h(1.09 KB)
?? Sample.txt(1.66 KB)
?? ScriptCompositeFontInstance.cpp(3.2 KB)
?? ScriptCompositeFontInstance.h(6.15 KB)
?? Surface.cpp(892 B)
?? Surface.h(519 B)
?? UnicodeReader.cpp(4.1 KB)
?? UnicodeReader.h(999 B)
?? arraymem.h(646 B)
?? cgnomelayout.c(8.45 KB)
?? clayout.c(9.82 KB)
?? cmaps.cpp(5.3 KB)
?? cmaps.h(2.06 KB)
?? gdiglue.cpp(1.67 KB)
?? gdiglue.h(983 B)
?? gnomeglue.cpp(1.64 KB)
?? gnomeglue.h(986 B)
?? gnomelayout.cpp(8.5 KB)
?? gsupport.h(370 B)
?? layout.cpp(9.8 KB)
?? layout.sln(1.17 KB)
?? layout.vcxproj(13.15 KB)
?? layout.vcxproj.filters(3.06 KB)
?? paragraph.cpp(7.58 KB)
?? paragraph.h(2.18 KB)
?? pflow.c(9.27 KB)
?? pflow.h(940 B)
?? readme.html(7.32 KB)
?? resource.h(907 B)
?? rsurface.cpp(712 B)
?? rsurface.h(528 B)
?? sfnt.h(4.9 KB)
?? ucreader.cpp(509 B)
?? ucreader.h(422 B)

Editing: cgnomelayout.c

/*
 *******************************************************************************
 *
 *   © 2016 and later: Unicode, Inc. and others.
 *   License & terms of use: http://www.unicode.org/copyright.html#License
 *
 *******************************************************************************
 ****************************************************************************** *
 *
 *   Copyright (C) 1999-2007, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 ****************************************************************************** *
 */

#include <gnome.h>
#include <ft2build.h>
#include FT_FREETYPE_H

#include "pflow.h"

#include "gnomeglue.h"

#include "arraymem.h"

struct Context
{
    long width;
    long height;
    pf_flow *paragraph;
};

typedef struct Context Context;

static FT_Library engine;
static gs_guiSupport *guiSupport;
static fm_fontMap *fontMap;
static le_font *font;

static GSList *appList = NULL;

GtkWidget *newSample(const gchar *fileName);
void       closeSample(GtkWidget *sample);

static void showabout(GtkWidget *widget, gpointer data)
{
    GtkWidget *aboutBox;
    const gchar *documentedBy[] = {NULL};
    const gchar *writtenBy[] = {
        "Eric Mader",
        NULL
    };

aboutBox = gnome_about_new("Gnome Layout Sample",
                               "0.1",
                               "Copyright (C) 1998-2006 By International Business Machines Corporation and others. All Rights Reserved.",
                               "A simple demo of the ICU LayoutEngine.",
                               writtenBy,
                               documentedBy,
                               "",
                               NULL);

gtk_widget_show(aboutBox);
}

#if 0
static void notimpl(GtkObject *object, gpointer data)
{
    gnome_ok_dialog("Not implemented...");
}
#endif

static gchar *prettyTitle(const gchar *path)
{
  const gchar *name  = g_basename(path);
  gchar *title = g_strconcat("Gnome Layout Sample - ", name, NULL);

return title;
}

static void openOK(GtkObject *object, gpointer data)
{
  GtkFileSelection *fileselection = GTK_FILE_SELECTION(data);
  GtkWidget *app = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(fileselection), "app"));
  Context *context = (Context *) gtk_object_get_data(GTK_OBJECT(app), "context");
  gchar *fileName  = g_strdup(gtk_file_selection_get_filename(fileselection));
  pf_flow *newPara;

gtk_widget_destroy(GTK_WIDGET(fileselection));

newPara = pf_factory(fileName, font, guiSupport);

if (newPara != NULL) {
    gchar *title = prettyTitle(fileName);
    GtkWidget *area = GTK_WIDGET(gtk_object_get_data(GTK_OBJECT(app), "area"));

if (context->paragraph != NULL) {
      pf_close(context->paragraph);
    }

context->paragraph = newPara;
    gtk_window_set_title(GTK_WINDOW(app), title);

gtk_widget_hide(area);
    pf_breakLines(context->paragraph, context->width, context->height);
    gtk_widget_show_all(area);

g_free(title);
  }

g_free(fileName);
}

static void openfile(GtkObject *object, gpointer data)
{
  GtkWidget *app = GTK_WIDGET(data);
  GtkWidget *fileselection;
  GtkWidget *okButton;
  GtkWidget *cancelButton;

fileselection =
    gtk_file_selection_new("Open File");

gtk_object_set_data(GTK_OBJECT(fileselection), "app", app);

okButton =
    GTK_FILE_SELECTION(fileselection)->ok_button;

cancelButton =
    GTK_FILE_SELECTION(fileselection)->cancel_button;

gtk_signal_connect(GTK_OBJECT(fileselection), "destroy",
             GTK_SIGNAL_FUNC(gtk_main_quit), NULL);

gtk_signal_connect(GTK_OBJECT(okButton), "clicked",
             GTK_SIGNAL_FUNC(openOK), fileselection);

gtk_signal_connect_object(GTK_OBJECT(cancelButton), "clicked",
             GTK_SIGNAL_FUNC(gtk_widget_destroy), GTK_OBJECT(fileselection));

gtk_window_set_modal(GTK_WINDOW(fileselection), TRUE);
  gtk_widget_show(fileselection);
  gtk_main();
}

static void newapp(GtkObject *object, gpointer data)
{
  GtkWidget *app = newSample("Sample.txt");

gtk_widget_show_all(app);
}

static void closeapp(GtkWidget *widget, gpointer data)
{
  GtkWidget *app = GTK_WIDGET(data);

closeSample(app);
}

static void shutdown(GtkObject *object, gpointer data)
{
    gtk_main_quit();
}

GnomeUIInfo fileMenu[] =
{
  GNOMEUIINFO_MENU_NEW_ITEM((gchar *) "_New Sample",
                (gchar *) "Create a new Gnome Layout Sample",
                newapp, NULL),

GNOMEUIINFO_MENU_OPEN_ITEM(openfile, NULL),
  GNOMEUIINFO_SEPARATOR,
  GNOMEUIINFO_MENU_CLOSE_ITEM(closeapp, NULL),
  GNOMEUIINFO_MENU_EXIT_ITEM(shutdown, NULL),
  GNOMEUIINFO_END
};

GnomeUIInfo helpMenu[] =
{
    /* GNOMEUIINFO_HELP("gnomelayout"), */
    GNOMEUIINFO_MENU_ABOUT_ITEM(showabout, NULL),
    GNOMEUIINFO_END
};

GnomeUIInfo mainMenu[] =
{
    GNOMEUIINFO_SUBTREE(N_((gchar *) "File"), fileMenu),
    GNOMEUIINFO_SUBTREE(N_((gchar *) "Help"), helpMenu),
    GNOMEUIINFO_END
};

static gint eventDelete(GtkWidget *widget, GdkEvent *event, gpointer data)
{
  closeSample(widget);

/* indicate that closeapp  already destroyed the window */
  return TRUE;
}

static gint eventConfigure(GtkWidget *widget, GdkEventConfigure *event, Context *context)
{
  if (context->paragraph != NULL) {
    context->width  = event->width;
    context->height = event->height;

if (context->width > 0 && context->height > 0) {
        pf_breakLines(context->paragraph, context->width, context->height);
    }
  }

return TRUE;
}

static gint eventExpose(GtkWidget *widget, GdkEvent *event, Context *context)
{
  if (context->paragraph != NULL) {
    gint maxLines = pf_getLineCount(context->paragraph) - 1;
    gint firstLine = 0, lastLine = context->height / pf_getLineHeight(context->paragraph);
    rs_surface *surface = rs_gnomeRenderingSurfaceOpen(widget);

pf_draw(context->paragraph, surface, firstLine, (maxLines < lastLine)? maxLines : lastLine);
    
    rs_gnomeRenderingSurfaceClose(surface);
  }

return TRUE;
}

GtkWidget *newSample(const gchar *fileName)
{
  Context *context = NEW_ARRAY(Context, 1);
  gchar *title;
  GtkWidget *app;
  GtkWidget *area;
  GtkStyle *style;
  int i;

context->width  = 600;
  context->height = 400;
  context->paragraph = pf_factory(fileName, font, guiSupport);

title = prettyTitle(fileName);
  app = gnome_app_new("gnomeLayout", title);

gtk_object_set_data(GTK_OBJECT(app), "context", context);

gtk_window_set_default_size(GTK_WINDOW(app), 600 - 24, 400);

gnome_app_create_menus_with_data(GNOME_APP(app), mainMenu, app);

gtk_signal_connect(GTK_OBJECT(app), "delete_event",
             GTK_SIGNAL_FUNC(eventDelete), NULL);

area = gtk_drawing_area_new();
  gtk_object_set_data(GTK_OBJECT(app), "area", area);

style = gtk_style_copy(gtk_widget_get_style(area));

for (i = 0; i < 5; i += 1) {
    style->fg[i] = style->white;
  }
    
  gtk_widget_set_style(area, style);

gnome_app_set_contents(GNOME_APP(app), area);

gtk_signal_connect(GTK_OBJECT(area),
             "expose_event",
             GTK_SIGNAL_FUNC(eventExpose),
             context);

gtk_signal_connect(GTK_OBJECT(area),
             "configure_event",
             GTK_SIGNAL_FUNC(eventConfigure),
             context);

appList = g_slist_prepend(appList, app);

g_free(title);

return app;
}

void closeSample(GtkWidget *app)
{
  Context *context = (Context *) gtk_object_get_data(GTK_OBJECT(app), "context");

if (context->paragraph != NULL) {
    pf_close(context->paragraph);
  }

DELETE_ARRAY(context);

appList = g_slist_remove(appList, app);

gtk_widget_destroy(app);

if (appList == NULL) {
    gtk_main_quit();
  }
}

int main (int argc, char *argv[])
{
    LEErrorCode   fontStatus = LE_NO_ERROR;
    poptContext   ptctx;
    GtkWidget    *app;
    const char   *defaultArgs[] = {"Sample.txt", NULL};
    const char  **args;
    int i;

FT_Init_FreeType(&engine);

gnome_init_with_popt_table("gnomelayout", "0.1", argc, argv, NULL, 0, &ptctx);

guiSupport = gs_gnomeGuiSupportOpen();
    fontMap    = fm_gnomeFontMapOpen(engine, "FontMap.Gnome", 24, guiSupport, &fontStatus);
    font       = le_scriptCompositeFontOpen(fontMap);

if (LE_FAILURE(fontStatus)) {
        FT_Done_FreeType(engine);
        return 1;
    }

args = poptGetArgs(ptctx);
    
    if (args == NULL) {
        args = defaultArgs;
    }

for (i = 0; args[i] != NULL; i += 1) {
       app = newSample(args[i]);
           
       gtk_widget_show_all(app);
    }
    
    poptFreeContext(ptctx);
    
    gtk_main();

le_fontClose(font);
    gs_gnomeGuiSupportClose(guiSupport);

FT_Done_FreeType(engine);

exit(0);
}

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Editing: cgnomelayout.c

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