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ac80ff1c48
Ok, so this may be too much, but I'm just playing around with layout. It could be a runtime choice too, of course. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
92 lines
2.2 KiB
C
92 lines
2.2 KiB
C
#include <gtk/gtk.h>
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#include "dive.h"
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#include "display.h"
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#include "display-gtk.h"
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static void show_one_dive(struct dive *dive, cairo_t *cr, double w, double h)
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{
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struct graphics_context gc = {
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.printer = 1,
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.cr = cr
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};
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plot(&gc, w, h, dive);
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}
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static void print(int divenr, cairo_t *cr, double x, double y, double w, double h)
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{
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struct dive *dive;
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dive = get_dive(divenr);
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if (!dive)
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return;
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cairo_save(cr);
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cairo_translate(cr, x, y);
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/* We actually want to scale the text and the lines now */
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cairo_scale(cr, 0.5, 0.5);
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/* Dive plot in the upper 75% - note the scaling */
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show_one_dive(dive, cr, w*2, h*1.5);
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/* Dive information in the lower 25% */
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cairo_restore(cr);
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}
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static void draw_page(GtkPrintOperation *operation,
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GtkPrintContext *context,
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gint page_nr,
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gpointer user_data)
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{
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int nr;
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cairo_t *cr;
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PangoLayout *layout;
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double w, h;
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cr = gtk_print_context_get_cairo_context(context);
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layout=gtk_print_context_create_pango_layout(context);
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w = gtk_print_context_get_width(context)/2;
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h = gtk_print_context_get_height(context)/3;
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nr = page_nr*6;
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print(nr+0, cr, 0, 0, w, h);
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print(nr+1, cr, w, 0, w, h);
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print(nr+2, cr, 0, h, w, h);
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print(nr+3, cr, w, h, w, h);
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print(nr+2, cr, 0, 2*h, w, h);
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print(nr+3, cr, w, 2*h, w, h);
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pango_cairo_show_layout(cr,layout);
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g_object_unref(layout);
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}
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static void begin_print(GtkPrintOperation *operation, gpointer user_data)
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{
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}
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static GtkPrintSettings *settings = NULL;
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void do_print(void)
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{
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int pages;
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GtkPrintOperation *print;
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GtkPrintOperationResult res;
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print = gtk_print_operation_new();
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if (settings != NULL)
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gtk_print_operation_set_print_settings(print, settings);
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pages = (dive_table.nr + 5) / 6;
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gtk_print_operation_set_n_pages(print, pages);
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g_signal_connect(print, "begin_print", G_CALLBACK(begin_print), NULL);
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g_signal_connect(print, "draw_page", G_CALLBACK(draw_page), NULL);
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res = gtk_print_operation_run(print, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
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GTK_WINDOW(main_window), NULL);
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if (res == GTK_PRINT_OPERATION_RESULT_APPLY) {
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if (settings != NULL)
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g_object_unref(settings);
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settings = g_object_ref(gtk_print_operation_get_print_settings(print));
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}
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g_object_unref(print);
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}
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