src/gtk/gtkscreen.cpp

   1 /*
   2  * Copyright (c) 2007-2013, Czirkos Zoltan http://code.google.com/p/gdash/
   3  *
   4  * Permission to use, copy, modify, and distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #include "config.h"
  18
  19 #include <gtk/gtk.h>
  20
  21 #include "gtk/gtkpixmap.hpp"
  22 #include "gtk/gtkscreen.hpp"
  23 #include "cave/helper/colors.hpp"
  24
  25 void GTKScreen::fill_rect(int x, int y, int w, int h, const GdColor& c)
  26 {
  27     GdkColor col;
  28     col.red=c.get_r()*257;   // 257, as 255*257=65535
  29     col.green=c.get_g()*257;   // 257, as 255*257=65535
  30     col.blue=c.get_b()*257;   // 257, as 255*257=65535
  31     gdk_gc_set_rgb_fg_color(gc, &col);
  32     gdk_draw_rectangle(pixmap, gc, TRUE, x, y, w, h);
  33 }
  34
  35 void GTKScreen::blit_full(Pixmap const &src, int dx, int dy, int x, int y, int w, int h) const
  36 {
  37     GTKPixmap const &srcgtk=static_cast<GTKPixmap const &>(src);
  38
  39     if (srcgtk.mask) {
  40         gdk_gc_set_clip_mask(gc, srcgtk.mask);
  41         gdk_gc_set_clip_origin(gc, dx, dy);
  42     }
  43     gdk_draw_drawable(pixmap, gc, srcgtk.pixmap, x, y, dx, dy, w, h);
  44     if (srcgtk.mask) {
  45         gdk_gc_set_clip_mask(gc, NULL);
  46         gdk_gc_set_clip_origin(gc, 0, 0);
  47     }
  48 }
  49
  50 void GTKScreen::set_clip_rect(int x1, int y1, int w, int h)
  51 {
  52     GdkRectangle rect;
  53     rect.x=x1;
  54     rect.y=y1;
  55     rect.width=w;
  56     rect.height=h;
  57     gdk_gc_set_clip_rectangle(gc, &rect);
  58 }
  59
  60 void GTKScreen::remove_clip_rect()
  61 {
  62     gdk_gc_set_clip_rectangle(gc, NULL);
  63 }
  64
  65
  66 GTKScreen::GTKScreen(GtkWidget *drawing_area_)
  67 :   Screen(),
  68     drawing_area(drawing_area_),
  69     pixmap(NULL),
  70     gc(NULL)
  71 {
  72     gtk_widget_set_double_buffered(drawing_area, FALSE);
  73 }
  74
  75
  76 void GTKScreen::configure_size() {
  77     gtk_widget_set_size_request(drawing_area, w, h);
  78     if (pixmap)
  79         g_object_unref(pixmap);
  80     if (gc)
  81         g_object_unref(gc);
  82     pixmap = gdk_pixmap_new(GDK_DRAWABLE(drawing_area->window), w, h, -1);
  83     gc = gdk_gc_new(GDK_DRAWABLE(pixmap));
  84 }
  85
  86
  87 void GTKScreen::set_title(char const *title) {
  88     GtkWidget *toplevel = gtk_widget_get_toplevel(drawing_area);
  89     gtk_window_set_title(GTK_WINDOW(toplevel), title);
  90 }
  91
  92
  93 void GTKScreen::flip() {
  94     gdk_draw_drawable(drawing_area->window, gc, pixmap, 0, 0, 0, 0, w, h);
  95 }