Public release

1 files changed, 216 insertions, 0 deletions

diff --git a/img-save-dialog.c b/img-save-dialog.c
new file mode 100644
index 0000000..ce7c3ef
--- /dev/null
+++ b/img-save-dialog.c
@@ -0,0 +1,216 @@
+#include "plugin-img.h"
+#include <libgimp/gimpui.h>
+
+static GtkWidget *fmt_frame, *ckey_frame, *fmt_vbox, *ckey_vbox, *ckey_align,
+    *fmt_align, *hbox, *fmt_rgb565, *fmt_rgb, *fmt_rgba, *ckey_image, *ckey_use,
+    *gimp_color;
+static GimpRGB color;
+static GdkPixbuf *pixbuf;
+
+static GtkWidget *
+img_preview_new(gint32 image_ID)
+{
+    GtkWidget *image, *event_box, *align;
+    guint32 width, height;
+    gint *frames, nframes, layer;
+
+    frames = gimp_image_get_layers(image_ID, &nframes);
+    layer = frames[g_random_int() % nframes];
+    g_free(frames);
+    width = gimp_drawable_width(layer);
+    height = gimp_drawable_height(layer);
+
+    pixbuf =
+        gimp_drawable_get_thumbnail(layer, MIN(width, 128), MIN(height, 128),
+                                    GIMP_PIXBUF_SMALL_CHECKS);
+
+    image = gtk_image_new_from_pixbuf(pixbuf);
+    g_object_unref(pixbuf);
+
+    event_box = gtk_event_box_new();
+    gtk_widget_set_events(event_box, GDK_ALL_EVENTS_MASK);
+
+    align = gtk_alignment_new(0.5, 0.5, 0, 0);
+
+    gtk_widget_show(image);
+    gtk_widget_show(event_box);
+    gtk_container_add(GTK_CONTAINER(event_box), image);
+    gtk_container_add(GTK_CONTAINER(align), event_box);
+
+    return align;
+}
+
+static void
+on_RGB(GtkWidget * widget, gpointer data)
+{
+    gtk_widget_set_sensitive(ckey_vbox,
+                             gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON
+                                                          (fmt_rgb)) ||
+                             gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON
+                                                          (fmt_rgba)));
+}
+
+static void
+on_ckey_use(GtkWidget * widget, gpointer data)
+{
+    gboolean active;
+
+    active = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));
+    gtk_widget_set_sensitive(ckey_image, active);
+    gtk_widget_set_sensitive(gimp_color, active);
+}
+
+static gboolean
+on_image_click(GtkWidget * widget, GdkEventButton * event, gpointer data)
+{
+    int width, height, rowstride, n_channels;
+    guchar *pixels, *p;
+
+    n_channels = gdk_pixbuf_get_n_channels(pixbuf);
+    width = gdk_pixbuf_get_width(pixbuf);
+    height = gdk_pixbuf_get_height(pixbuf);
+    rowstride = gdk_pixbuf_get_rowstride(pixbuf);
+    pixels = gdk_pixbuf_get_pixels(pixbuf);
+    p = pixels + (int)(event->y * rowstride) + (int)(event->x * n_channels);
+    gimp_rgb_set_uchar(&color, p[0], p[1], p[2]);
+    gimp_color_button_set_color((GimpColorButton *) gimp_color, &color);
+    return TRUE;
+}
+
+gboolean
+img_save_dialog(gint32 image, ImageParasite * plugin)
+{
+    GtkWidget *dialog;
+    gint response;
+
+    gimp_ui_init(PLUG_IN_BINARY, TRUE);
+    dialog =
+        gimp_dialog_new("Save as IMG", PLUG_IN_BINARY, NULL, 0,
+                        gimp_standard_help_func, "plug-in-img",
+                        GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, GTK_STOCK_SAVE,
+                        GTK_RESPONSE_OK, NULL);
+    gimp_window_set_transient(GTK_WINDOW(dialog));
+    gtk_widget_show(dialog);
+
+    /*
+     * Radio buttons to select file format 
+     */
+    fmt_frame = gimp_frame_new("Image format");
+    fmt_rgb565 = gtk_radio_button_new_with_label(NULL, FMT[FMT_RGB565]);
+    fmt_rgb =
+        gtk_radio_button_new_with_label_from_widget(GTK_RADIO_BUTTON
+                                                    (fmt_rgb565), FMT[FMT_RGB]);
+    fmt_rgba =
+        gtk_radio_button_new_with_label_from_widget(GTK_RADIO_BUTTON(fmt_rgb),
+                                                    FMT[FMT_RGBA]);
+    gtk_widget_show(fmt_frame);
+    gtk_widget_show(fmt_rgb565);
+    gtk_widget_show(fmt_rgb);
+    gtk_widget_show(fmt_rgba);
+
+    /*
+     * Horizontal main box 
+     */
+    hbox = gtk_hbox_new(TRUE, 2);
+    gtk_widget_show(hbox);
+
+    /*
+     * Vertical box for radio buttons 
+     */
+    fmt_align = gtk_alignment_new(0.5, 0, 0, 0);
+    gtk_widget_show(fmt_align);
+    fmt_vbox = gtk_vbox_new(TRUE, 12);
+    gtk_container_add(GTK_CONTAINER(fmt_align), fmt_vbox);
+    gtk_container_set_border_width(GTK_CONTAINER(fmt_vbox), 12);
+    gtk_widget_show(fmt_vbox);
+    gtk_box_pack_start(GTK_BOX(fmt_vbox), fmt_frame, TRUE, TRUE, 0);
+    gtk_box_pack_start(GTK_BOX(fmt_vbox), fmt_rgb565, TRUE, TRUE, 0);
+    gtk_box_pack_start(GTK_BOX(fmt_vbox), fmt_rgb, TRUE, TRUE, 0);
+    gtk_box_pack_start(GTK_BOX(fmt_vbox), fmt_rgba, TRUE, TRUE, 0);
+
+    /*
+     * Allow color key for RGB and RGBA 
+     */
+    g_signal_connect(G_OBJECT(fmt_rgb), "clicked", G_CALLBACK(on_RGB), NULL);
+    g_signal_connect(G_OBJECT(fmt_rgba), "clicked", G_CALLBACK(on_RGB), NULL);
+
+    /*
+     * Vertical box for color key 
+     */
+    ckey_align = gtk_alignment_new(0.5, 0, 0, 0);
+    gtk_widget_show(ckey_align);
+    ckey_vbox = gtk_vbox_new(FALSE, 2);
+    gtk_container_add(GTK_CONTAINER(ckey_align), ckey_vbox);
+    gtk_container_set_border_width(GTK_CONTAINER(ckey_vbox), 12);
+    ckey_frame = gimp_frame_new("Transparent color");
+    ckey_use = gtk_check_button_new_with_label("Set transparent color");
+    ckey_image = img_preview_new(image);
+    gimp_rgb_set_uchar(&color, plugin->ckey.R, plugin->ckey.G, plugin->ckey.B);
+    gimp_color =
+        gimp_color_button_new("Choose color", 64, 64, &color,
+                              GIMP_COLOR_AREA_FLAT);
+    gtk_box_pack_start(GTK_BOX(ckey_vbox), ckey_frame, TRUE, TRUE, 0);
+    gtk_box_pack_start(GTK_BOX(ckey_vbox), ckey_use, TRUE, TRUE, 0);
+    gtk_box_pack_start(GTK_BOX(ckey_vbox), ckey_image, TRUE, TRUE, 0);
+    gtk_box_pack_start(GTK_BOX(ckey_vbox), gimp_color, TRUE, TRUE, 0);
+    gtk_widget_show(gimp_color);
+    gtk_widget_show(ckey_vbox);
+    gtk_widget_show(ckey_frame);
+    gtk_widget_show(ckey_use);
+    gtk_widget_show(ckey_image);
+    g_signal_connect(G_OBJECT(ckey_use), "clicked", G_CALLBACK(on_ckey_use),
+                     NULL);
+    g_signal_connect(G_OBJECT(ckey_image), "button-press-event",
+                     G_CALLBACK(on_image_click), NULL);
+    /*
+     * Assemble all together 
+     */
+    gtk_box_pack_start(GTK_BOX(hbox), fmt_align, TRUE, TRUE, 0);
+    gtk_box_pack_start(GTK_BOX(hbox), ckey_align, TRUE, TRUE, 0);
+    gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), hbox, TRUE, TRUE, 0);
+
+    /*
+     * Set initial parameters 
+     */
+    switch (plugin->format)
+    {
+      case FMT_RGB565:
+          gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(fmt_rgb565), TRUE);
+          break;
+      case FMT_RGB:
+          gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(fmt_rgb), TRUE);
+          gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(ckey_use),
+                                       plugin->ckey.is != 0);
+          break;
+      case FMT_RGBA:
+          gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(fmt_rgba), TRUE);
+          gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(ckey_use),
+                                       plugin->ckey.is != 0);
+          break;
+    }
+
+    on_RGB(fmt_rgb, NULL);
+    on_ckey_use(ckey_use, NULL);
+
+    /*
+     * Run the dialog 
+     */
+    response = gimp_dialog_run(GIMP_DIALOG(dialog));
+
+    /*
+     * Get new parameters 
+     */
+    if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(fmt_rgb565)))
+        plugin->format = FMT_RGB565;
+    else if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(fmt_rgb)))
+        plugin->format = FMT_RGB;
+    else if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(fmt_rgba)))
+        plugin->format = FMT_RGBA;
+    plugin->ckey.is =
+        gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(ckey_use)) ? 1 : 0;
+    gimp_color_button_get_color((GimpColorButton *) gimp_color, &color);
+    gimp_rgb_get_uchar(&color, &plugin->ckey.R, &plugin->ckey.G,
+                       &plugin->ckey.B);
+    gtk_widget_destroy(dialog);
+    return (response == GTK_RESPONSE_OK);
+}