swh:1:snp:c7c108084bc0bf3d81436bf980b46e98bd338453
Tip revision: 7d582108668bc28d06e823f45ef5f1161838aa9c authored by johannes hanika on 13 April 2014, 13:08:34 UTC
dng: get black from exif instead of computing it and failing.
dng: get black from exif instead of computing it and failing.
Tip revision: 7d58210
live_view.c
/*
This file is part of darktable,
copyright (c) 2009--2011 johannes hanika.
copyright (c) 2012 tobias ellinghaus.
copyright (c) 2014 henrik andersson.
darktable is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
darktable 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 for more details.
You should have received a copy of the GNU General Public License
along with darktable. If not, see <http://www.gnu.org/licenses/>.
*/
#include "bauhaus/bauhaus.h"
#include "common/darktable.h"
#include "common/camera_control.h"
#include "common/image_cache.h"
#include "common/mipmap_cache.h"
#include "control/jobs.h"
#include "control/control.h"
#include "control/conf.h"
#include "libs/lib.h"
#include "gui/accelerators.h"
#include "gui/gtk.h"
#include "gui/draw.h"
#include "gui/guides.h"
#include "dtgtk/label.h"
#include <gdk/gdkkeysyms.h>
#include "dtgtk/button.h"
typedef enum dt_lib_liveview_guide_t
{
GUIDE_NONE = 0,
GUIDE_GRID,
GUIDE_THIRD,
GUIDE_DIAGONAL,
GUIDE_TRIANGL,
GUIDE_GOLDEN
}
dt_lib_liveview_guide_t;
typedef enum dt_lib_liveview_overlay_t
{
OVERLAY_NONE = 0,
OVERLAY_SELECTED,
OVERLAY_ID
}
dt_lib_liveview_overlay_t;
#define HANDLE_SIZE 0.02
static const cairo_operator_t _overlay_modes[] =
{
CAIRO_OPERATOR_OVER,
CAIRO_OPERATOR_XOR,
CAIRO_OPERATOR_ADD,
CAIRO_OPERATOR_SATURATE
#if (CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 10, 0))
,
CAIRO_OPERATOR_MULTIPLY,
CAIRO_OPERATOR_SCREEN,
CAIRO_OPERATOR_OVERLAY,
CAIRO_OPERATOR_DARKEN,
CAIRO_OPERATOR_LIGHTEN,
CAIRO_OPERATOR_COLOR_DODGE,
CAIRO_OPERATOR_COLOR_BURN,
CAIRO_OPERATOR_HARD_LIGHT,
CAIRO_OPERATOR_SOFT_LIGHT,
CAIRO_OPERATOR_DIFFERENCE,
CAIRO_OPERATOR_EXCLUSION,
CAIRO_OPERATOR_HSL_HUE,
CAIRO_OPERATOR_HSL_SATURATION,
CAIRO_OPERATOR_HSL_COLOR,
CAIRO_OPERATOR_HSL_LUMINOSITY
#endif
};
DT_MODULE(1)
typedef struct dt_lib_live_view_t
{
int imgid;
int splitline_rotation;
double overlay_x0, overlay_x1, overlay_y0, overlay_y1;
double splitline_x, splitline_y; // 0..1
gboolean splitline_dragging;
GtkWidget *live_view, *live_view_zoom, *rotate_ccw, *rotate_cw, *flip;
GtkWidget *focus_out_small, *focus_out_big, *focus_in_small, *focus_in_big;
GtkWidget *guide_selector, *flip_guides, *golden_extras;
GtkWidget *overlay, *overlay_id_box, *overlay_id, *overlay_mode, *overlay_splitline;
}
dt_lib_live_view_t;
static void
guides_presets_changed (GtkWidget *combo, dt_lib_live_view_t *lib)
{
int which = dt_bauhaus_combobox_get(combo);
if (which == GUIDE_TRIANGL || which == GUIDE_GOLDEN )
gtk_widget_set_visible(GTK_WIDGET(lib->flip_guides), TRUE);
else
gtk_widget_set_visible(GTK_WIDGET(lib->flip_guides), FALSE);
if (which == GUIDE_GOLDEN)
gtk_widget_set_visible(GTK_WIDGET(lib->golden_extras), TRUE);
else
gtk_widget_set_visible(GTK_WIDGET(lib->golden_extras), FALSE);
}
static void
overlay_changed (GtkWidget *combo, dt_lib_live_view_t *lib)
{
int which = dt_bauhaus_combobox_get(combo);
if (which == OVERLAY_NONE)
{
gtk_widget_set_visible(GTK_WIDGET(lib->overlay_mode), FALSE);
gtk_widget_set_visible(GTK_WIDGET(lib->overlay_splitline), FALSE);
}
else
{
gtk_widget_set_visible(GTK_WIDGET(lib->overlay_mode), TRUE);
gtk_widget_set_visible(GTK_WIDGET(lib->overlay_splitline), TRUE);
}
if (which == OVERLAY_ID)
gtk_widget_set_visible(GTK_WIDGET(lib->overlay_id_box), TRUE);
else
gtk_widget_set_visible(GTK_WIDGET(lib->overlay_id_box), FALSE);
}
const char*
name ()
{
return _("live view");
}
uint32_t views()
{
return DT_VIEW_TETHERING;
}
uint32_t container()
{
return DT_UI_CONTAINER_PANEL_RIGHT_CENTER;
}
void
gui_reset (dt_lib_module_t *self)
{
}
int
position ()
{
return 998;
}
void init_key_accels(dt_lib_module_t *self)
{
dt_accel_register_lib(self, NC_("accel", "toggle live view"), GDK_KEY_v, 0);
dt_accel_register_lib(self, NC_("accel", "rotate 90 degrees CCW"), 0, 0);
dt_accel_register_lib(self, NC_("accel", "rotate 90 degrees CW"), 0, 0);
dt_accel_register_lib(self, NC_("accel", "flip horizontally"), 0, 0);
dt_accel_register_lib(self, NC_("accel", "move focus point in (big steps)"), 0, 0);
dt_accel_register_lib(self, NC_("accel", "move focus point in (small steps)"), 0, 0);
dt_accel_register_lib(self, NC_("accel", "move focus point out (small steps)"), 0, 0);
dt_accel_register_lib(self, NC_("accel", "move focus point out (big steps)"), 0, 0);
}
void connect_key_accels(dt_lib_module_t *self)
{
dt_lib_live_view_t *lib = (dt_lib_live_view_t*)self->data;
dt_accel_connect_button_lib(self, "toggle live view", GTK_WIDGET(lib->live_view));
dt_accel_connect_button_lib(self, "rotate 90 degrees CCW", GTK_WIDGET(lib->rotate_ccw));
dt_accel_connect_button_lib(self, "rotate 90 degrees CW", GTK_WIDGET(lib->rotate_cw));
dt_accel_connect_button_lib(self, "flip horizontally", GTK_WIDGET(lib->flip));
dt_accel_connect_button_lib(self, "move focus point in (big steps)", GTK_WIDGET(lib->focus_in_big));
dt_accel_connect_button_lib(self, "move focus point in (small steps)", GTK_WIDGET(lib->focus_in_small));
dt_accel_connect_button_lib(self, "move focus point out (small steps)", GTK_WIDGET(lib->focus_out_small));
dt_accel_connect_button_lib(self, "move focus point out (big steps)", GTK_WIDGET(lib->focus_out_big));
}
static void _rotate_ccw(GtkWidget *widget, gpointer user_data)
{
dt_camera_t *cam = (dt_camera_t*)darktable.camctl->active_camera;
cam->live_view_rotation = (cam->live_view_rotation + 1) % 4; // 0 -> 1 -> 2 -> 3 -> 0 -> ...
}
static void _rotate_cw(GtkWidget *widget, gpointer user_data)
{
dt_camera_t *cam = (dt_camera_t*)darktable.camctl->active_camera;
cam->live_view_rotation = (cam->live_view_rotation + 3) % 4; // 0 -> 3 -> 2 -> 1 -> 0 -> ...
}
// Congratulations to Simon for being the first one recognizing live view in a screen shot ^^
static void _toggle_live_view_clicked(GtkWidget *widget, gpointer user_data)
{
if(gtk_toggle_button_get_active( GTK_TOGGLE_BUTTON(widget) ) == TRUE)
{
if(dt_camctl_camera_start_live_view(darktable.camctl) == FALSE)
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(widget), FALSE);
}
else
{
dt_camctl_camera_stop_live_view(darktable.camctl);
}
}
// TODO: using a toggle button would be better, but this setting can also be changed by right clicking on the canvas (src/views/capture.c).
// maybe using a signal would work? i have no idea.
static void _zoom_live_view_clicked(GtkWidget *widget, gpointer user_data)
{
dt_camera_t *cam = (dt_camera_t*)darktable.camctl->active_camera;
if(cam->is_live_viewing)
{
cam->live_view_zoom = !cam->live_view_zoom;
if(cam->live_view_zoom == TRUE)
dt_camctl_camera_set_property_string(darktable.camctl, NULL, "eoszoom", "5");
else
dt_camctl_camera_set_property_string(darktable.camctl, NULL, "eoszoom", "1");
}
}
static const gchar *focus_array[] = {"Near 3", "Near 2", "Near 1", "Far 1", "Far 2", "Far 3"};
static void _focus_button_clicked(GtkWidget *widget, gpointer user_data)
{
int focus = GPOINTER_TO_INT(user_data);
if(focus >= 0 && focus <= 5)
dt_camctl_camera_set_property_string(darktable.camctl, NULL, "manualfocusdrive", g_dgettext("libgphoto2-2", focus_array[focus]));
}
static void _toggle_flip_clicked(GtkWidget *widget, gpointer user_data)
{
dt_camera_t *cam = (dt_camera_t*)darktable.camctl->active_camera;
cam->live_view_flip = gtk_toggle_button_get_active( GTK_TOGGLE_BUTTON(widget) );
}
static void _overlay_id_changed(GtkWidget *widget, gpointer user_data)
{
dt_lib_live_view_t *lib = (dt_lib_live_view_t*)user_data;
lib->imgid = gtk_spin_button_get_value(GTK_SPIN_BUTTON(widget));
dt_conf_set_int("plugins/lighttable/live_view/overlay_imgid", lib->imgid);
}
static void _overlay_mode_changed(GtkWidget *combo, gpointer user_data)
{
dt_conf_set_int("plugins/lighttable/live_view/overlay_mode", dt_bauhaus_combobox_get(combo));
}
static void _overlay_splitline_changed(GtkWidget *combo, gpointer user_data)
{
dt_conf_set_int("plugins/lighttable/live_view/splitline", dt_bauhaus_combobox_get(combo));
}
void
gui_init (dt_lib_module_t *self)
{
self->data = malloc(sizeof(dt_lib_live_view_t));
memset(self->data,0,sizeof(dt_lib_live_view_t));
// Setup lib data
dt_lib_live_view_t *lib=self->data;
lib->splitline_x = lib->splitline_y = 0.5;
// Setup gui
self->widget = gtk_vbox_new(FALSE, 5);
GtkWidget *box;
box = gtk_hbox_new(FALSE, 5);
gtk_box_pack_start(GTK_BOX(self->widget), box, TRUE, TRUE, 0);
lib->live_view = dtgtk_togglebutton_new(dtgtk_cairo_paint_eye, CPF_STYLE_FLAT|CPF_DO_NOT_USE_BORDER);
lib->live_view_zoom = dtgtk_button_new(dtgtk_cairo_paint_zoom, CPF_STYLE_FLAT|CPF_DO_NOT_USE_BORDER); // TODO: see _zoom_live_view_clicked
lib->rotate_ccw = dtgtk_button_new(dtgtk_cairo_paint_refresh, CPF_STYLE_FLAT|CPF_DO_NOT_USE_BORDER);
lib->rotate_cw = dtgtk_button_new(dtgtk_cairo_paint_refresh, CPF_STYLE_FLAT|CPF_DO_NOT_USE_BORDER|CPF_DIRECTION_UP);
lib->flip = dtgtk_togglebutton_new(dtgtk_cairo_paint_flip, CPF_STYLE_FLAT|CPF_DO_NOT_USE_BORDER|CPF_DIRECTION_UP);
gtk_box_pack_start(GTK_BOX(box), lib->live_view, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(box), lib->live_view_zoom, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(box), lib->rotate_ccw, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(box), lib->rotate_cw, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(box), lib->flip, TRUE, TRUE, 0);
g_object_set(G_OBJECT( lib->live_view), "tooltip-text", _("toggle live view"), (char *)NULL);
g_object_set(G_OBJECT( lib->live_view_zoom), "tooltip-text", _("zoom live view"), (char *)NULL);
g_object_set(G_OBJECT( lib->rotate_ccw), "tooltip-text", _("rotate 90 degrees ccw"), (char *)NULL);
g_object_set(G_OBJECT( lib->rotate_cw), "tooltip-text", _("rotate 90 degrees cw"), (char *)NULL);
g_object_set(G_OBJECT( lib->flip), "tooltip-text", _("flip live view horizontally"), (char *)NULL);
g_signal_connect(G_OBJECT(lib->live_view), "clicked", G_CALLBACK(_toggle_live_view_clicked), lib);
g_signal_connect(G_OBJECT(lib->live_view_zoom), "clicked", G_CALLBACK(_zoom_live_view_clicked), lib);
g_signal_connect(G_OBJECT(lib->rotate_ccw), "clicked", G_CALLBACK(_rotate_ccw), lib);
g_signal_connect(G_OBJECT(lib->rotate_cw), "clicked", G_CALLBACK(_rotate_cw), lib);
g_signal_connect(G_OBJECT(lib->flip), "clicked", G_CALLBACK(_toggle_flip_clicked), lib);
// focus buttons
box = gtk_hbox_new(FALSE, 5);
gtk_box_pack_start(GTK_BOX(self->widget), box, TRUE, TRUE, 0);
lib->focus_in_big = dtgtk_button_new(dtgtk_cairo_paint_solid_triangle, CPF_STYLE_FLAT|CPF_DO_NOT_USE_BORDER|CPF_DIRECTION_LEFT);
lib->focus_in_small = dtgtk_button_new(dtgtk_cairo_paint_arrow, CPF_STYLE_FLAT|CPF_DO_NOT_USE_BORDER|CPF_DIRECTION_LEFT); // TODO icon not centered
lib->focus_out_small = dtgtk_button_new(dtgtk_cairo_paint_arrow, CPF_STYLE_FLAT|CPF_DO_NOT_USE_BORDER|CPF_DIRECTION_RIGHT); // TODO same here
lib->focus_out_big = dtgtk_button_new(dtgtk_cairo_paint_solid_triangle, CPF_STYLE_FLAT|CPF_DO_NOT_USE_BORDER|CPF_DIRECTION_RIGHT);
gtk_box_pack_start(GTK_BOX(box), lib->focus_in_big, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(box), lib->focus_in_small, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(box), lib->focus_out_small, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(box), lib->focus_out_big, TRUE, TRUE, 0);
g_object_set(G_OBJECT( lib->focus_in_big), "tooltip-text", _("move focus point in (big steps)"), (char *)NULL);
g_object_set(G_OBJECT( lib->focus_in_small), "tooltip-text", _("move focus point in (small steps)"), (char *)NULL);
g_object_set(G_OBJECT( lib->focus_out_small), "tooltip-text", _("move focus point out (small steps)"), (char *)NULL);
g_object_set(G_OBJECT( lib->focus_out_big), "tooltip-text", _("move focus point out (big steps)"), (char *)NULL);
// 1 and 4 would be medium steps, not in ui right now ...
g_signal_connect(G_OBJECT(lib->focus_in_big), "clicked", G_CALLBACK(_focus_button_clicked), GINT_TO_POINTER(0));
g_signal_connect(G_OBJECT(lib->focus_in_small), "clicked", G_CALLBACK(_focus_button_clicked), GINT_TO_POINTER(2));
g_signal_connect(G_OBJECT(lib->focus_out_small), "clicked", G_CALLBACK(_focus_button_clicked), GINT_TO_POINTER(3));
g_signal_connect(G_OBJECT(lib->focus_out_big), "clicked", G_CALLBACK(_focus_button_clicked), GINT_TO_POINTER(5));
// Guides
lib->guide_selector = dt_bauhaus_combobox_new(NULL);
dt_bauhaus_widget_set_label(lib->guide_selector, NULL, _("guides"));
dt_bauhaus_combobox_add(lib->guide_selector, _("none"));
dt_bauhaus_combobox_add(lib->guide_selector, _("grid"));
dt_bauhaus_combobox_add(lib->guide_selector, _("rules of thirds"));
dt_bauhaus_combobox_add(lib->guide_selector, _("diagonal method"));
dt_bauhaus_combobox_add(lib->guide_selector, _("harmonious triangles"));
dt_bauhaus_combobox_add(lib->guide_selector, _("golden mean"));
g_object_set(G_OBJECT(lib->guide_selector), "tooltip-text", _("display guide lines to help compose your photograph"), (char *)NULL);
g_signal_connect (G_OBJECT (lib->guide_selector), "value-changed", G_CALLBACK (guides_presets_changed), lib);
gtk_box_pack_start(GTK_BOX(self->widget), lib->guide_selector, TRUE, TRUE, 0);
lib->flip_guides = dt_bauhaus_combobox_new(NULL);
dt_bauhaus_widget_set_label(lib->flip_guides, NULL, _("flip"));
dt_bauhaus_combobox_add(lib->flip_guides, _("none"));
dt_bauhaus_combobox_add(lib->flip_guides, _("horizontally"));
dt_bauhaus_combobox_add(lib->flip_guides, _("vertically"));
dt_bauhaus_combobox_add(lib->flip_guides, _("both"));
g_object_set(G_OBJECT(lib->flip_guides), "tooltip-text", _("flip guides"), (char *)NULL);
gtk_box_pack_start(GTK_BOX(self->widget), lib->flip_guides, TRUE, TRUE, 0);
lib->golden_extras = dt_bauhaus_combobox_new(NULL);
dt_bauhaus_widget_set_label(lib->golden_extras, NULL, _("extra"));
dt_bauhaus_combobox_add(lib->golden_extras, _("golden sections"));
dt_bauhaus_combobox_add(lib->golden_extras, _("golden spiral sections"));
dt_bauhaus_combobox_add(lib->golden_extras, _("golden spiral"));
dt_bauhaus_combobox_add(lib->golden_extras, _("all"));
g_object_set(G_OBJECT(lib->golden_extras), "tooltip-text", _("show some extra guides"), (char *)NULL);
gtk_box_pack_start(GTK_BOX(self->widget), lib->golden_extras, TRUE, TRUE, 0);
lib->overlay = dt_bauhaus_combobox_new(NULL);
dt_bauhaus_widget_set_label(lib->overlay, NULL, _("overlay"));
dt_bauhaus_combobox_add(lib->overlay, _("none"));
dt_bauhaus_combobox_add(lib->overlay, _("selected image"));
dt_bauhaus_combobox_add(lib->overlay, _("id"));
g_object_set(G_OBJECT(lib->overlay), "tooltip-text", _("overlay another image over the live view"), (char *)NULL);
g_signal_connect (G_OBJECT (lib->overlay), "value-changed", G_CALLBACK (overlay_changed), lib);
gtk_box_pack_start(GTK_BOX(self->widget), lib->overlay, TRUE, TRUE, 0);
lib->overlay_id_box = gtk_hbox_new(FALSE, 5);
GtkWidget *label = gtk_label_new(_("image id"));
gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
lib->overlay_id = gtk_spin_button_new_with_range(0, 1000000000, 1);
gtk_spin_button_set_digits(GTK_SPIN_BUTTON(lib->overlay_id), 0);
g_object_set(G_OBJECT(lib->overlay_id), "tooltip-text", _("enter image id of the overlay manually"), (char *)NULL);
g_signal_connect(G_OBJECT(lib->overlay_id), "value-changed", G_CALLBACK(_overlay_id_changed), lib);
gtk_spin_button_set_value(GTK_SPIN_BUTTON(lib->overlay_id), dt_conf_get_int("plugins/lighttable/live_view/overlay_imgid"));
gtk_box_pack_start(GTK_BOX(lib->overlay_id_box), label, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(lib->overlay_id_box), lib->overlay_id, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(self->widget), lib->overlay_id_box, TRUE, TRUE, 0);
gtk_widget_show(lib->overlay_id);
gtk_widget_show(label);
lib->overlay_mode = dt_bauhaus_combobox_new(NULL);
dt_bauhaus_widget_set_label(lib->overlay_mode, NULL, _("overlay mode"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "normal"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "xor"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "add"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "saturate"));
#if (CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 10, 0))
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "multiply"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "screen"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "overlay"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "darken"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "lighten"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "color dodge"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "color burn"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "hard light"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "soft light"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "difference"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "exclusion"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "HSL hue"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "HSL saturation"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "HSL color"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "HSL luminosity"));
#endif
g_object_set(G_OBJECT(lib->overlay_mode), "tooltip-text", _("mode of the overlay"), (char *)NULL);
dt_bauhaus_combobox_set(lib->overlay_mode, dt_conf_get_int("plugins/lighttable/live_view/overlay_mode"));
g_signal_connect (G_OBJECT (lib->overlay_mode), "value-changed", G_CALLBACK (_overlay_mode_changed), lib);
gtk_box_pack_start(GTK_BOX(self->widget), lib->overlay_mode, TRUE, TRUE, 0);
lib->overlay_splitline = dt_bauhaus_combobox_new(NULL);
dt_bauhaus_widget_set_label(lib->overlay_splitline, NULL, _("split line"));
dt_bauhaus_combobox_add(lib->overlay_splitline, _("off"));
dt_bauhaus_combobox_add(lib->overlay_splitline, _("on"));
g_object_set(G_OBJECT(lib->overlay_splitline), "tooltip-text", _("only draw part of the overlay"), (char *)NULL);
dt_bauhaus_combobox_set(lib->overlay_splitline, dt_conf_get_int("plugins/lighttable/live_view/splitline"));
g_signal_connect (G_OBJECT (lib->overlay_splitline), "value-changed", G_CALLBACK (_overlay_splitline_changed), lib);
gtk_box_pack_start(GTK_BOX(self->widget), lib->overlay_splitline, TRUE, TRUE, 0);
gtk_widget_set_visible(GTK_WIDGET(lib->flip_guides), FALSE);
gtk_widget_set_visible(GTK_WIDGET(lib->golden_extras), FALSE);
gtk_widget_set_visible(GTK_WIDGET(lib->overlay_mode), FALSE);
gtk_widget_set_visible(GTK_WIDGET(lib->overlay_id_box), FALSE);
gtk_widget_set_visible(GTK_WIDGET(lib->overlay_splitline), FALSE);
gtk_widget_set_no_show_all(GTK_WIDGET(lib->flip_guides), TRUE);
gtk_widget_set_no_show_all(GTK_WIDGET(lib->golden_extras), TRUE);
gtk_widget_set_no_show_all(GTK_WIDGET(lib->overlay_mode), TRUE);
gtk_widget_set_no_show_all(GTK_WIDGET(lib->overlay_id_box), TRUE);
gtk_widget_set_no_show_all(GTK_WIDGET(lib->overlay_splitline), TRUE);
// disable buttons that won't work with this camera
// TODO: initialize tethering mode outside of libs/camera.s so we can use darktable.camctl->active_camera here
const dt_camera_t *cam = darktable.camctl->active_camera;
if(cam == NULL)
cam = darktable.camctl->wanted_camera;
if(cam != NULL && cam->can_live_view_advanced == FALSE)
{
gtk_widget_set_sensitive(lib->live_view_zoom, FALSE);
gtk_widget_set_sensitive(lib->focus_in_big, FALSE);
gtk_widget_set_sensitive(lib->focus_in_small, FALSE);
gtk_widget_set_sensitive(lib->focus_out_big, FALSE);
gtk_widget_set_sensitive(lib->focus_out_small, FALSE);
}
}
void
gui_cleanup (dt_lib_module_t *self)
{
}
// TODO: find out where the zoom window is and draw overlay + grid accordingly
#define MARGIN 20
#define BAR_HEIGHT 18 /* see libs/camera.c */
void
gui_post_expose(dt_lib_module_t *self, cairo_t *cr, int32_t width, int32_t height, int32_t pointerx, int32_t pointery)
{
dt_camera_t *cam = (dt_camera_t*)darktable.camctl->active_camera;
dt_lib_live_view_t *lib = self->data;
if(cam->is_live_viewing == FALSE || cam->live_view_zoom == TRUE)
return;
dt_pthread_mutex_lock(&cam->live_view_pixbuf_mutex);
if(GDK_IS_PIXBUF(cam->live_view_pixbuf) == FALSE)
{
dt_pthread_mutex_unlock(&cam->live_view_pixbuf_mutex);
return;
}
double w = width-(MARGIN*2.0f);
double h = height-(MARGIN*2.0f)-BAR_HEIGHT;
gint pw = gdk_pixbuf_get_width(cam->live_view_pixbuf);
gint ph = gdk_pixbuf_get_height(cam->live_view_pixbuf);
lib->overlay_x0 = lib->overlay_x1 = lib->overlay_y0 = lib->overlay_y1 = 0.0;
gboolean use_splitline = (dt_bauhaus_combobox_get(lib->overlay_splitline) == 1);
// OVERLAY
int imgid = 0;
switch(dt_bauhaus_combobox_get(lib->overlay))
{
case OVERLAY_SELECTED:
imgid = dt_view_tethering_get_selected_imgid(darktable.view_manager);
break;
case OVERLAY_ID:
imgid = lib->imgid;
break;
}
if(imgid > 0)
{
cairo_save(cr);
// this is blatantly stolen from dt_view_image_expose() -- this are just the relevant parts
static int first_time = 1;
static uint8_t *scratchmem = NULL;
if(first_time)
{
// scratchmem might still be NULL after this, if compression is off.
scratchmem = dt_mipmap_cache_alloc_scratchmem(darktable.mipmap_cache);
first_time = 0;
}
const dt_image_t *img = dt_image_cache_read_testget(darktable.image_cache, imgid);
// if the user points at this image, we really want it:
if(!img)
img = dt_image_cache_read_get(darktable.image_cache, imgid);
int zoom = 1;
float imgwd = 0.90f;
if(zoom == 1)
{
imgwd = .97f;
}
dt_mipmap_buffer_t buf;
dt_mipmap_size_t mip = dt_mipmap_cache_get_matching_size( darktable.mipmap_cache, imgwd*w, imgwd*h);
dt_mipmap_cache_read_get(darktable.mipmap_cache, &buf, imgid, mip, 0);
// decompress image, if necessary. if compression is off, scratchmem will be == NULL,
// so get the real pointer back:
uint8_t *buf_decompressed = dt_mipmap_cache_decompress(&buf, scratchmem);
float scale = 1.0;
cairo_surface_t *surface = NULL;
if(buf.buf)
{
const int32_t stride = cairo_format_stride_for_width (CAIRO_FORMAT_RGB24, buf.width);
surface = cairo_image_surface_create_for_data (buf_decompressed, CAIRO_FORMAT_RGB24, buf.width, buf.height, stride);
if(zoom == 1)
{
scale = fminf(
fminf(w, pw) / (float)buf.width,
fminf(h, ph) / (float)buf.height
);
}
else scale = fminf(w*imgwd/(float)buf.width, h*imgwd/(float)buf.height);
}
// draw centered and fitted:
cairo_translate(cr, width/2.0, (height+BAR_HEIGHT)/2.0f);
cairo_scale(cr, scale, scale);
if(buf.buf)
{
cairo_translate(cr, -.5f*buf.width, -.5f*buf.height);
if(use_splitline)
{
double x0, y0, x1, y1;
switch(lib->splitline_rotation)
{
case 0:
x0=0.0;
y0=0.0;
x1=buf.width*lib->splitline_x;
y1=buf.height;
break;
case 1:
x0=0.0;
y0=0.0;
x1=buf.width;
y1=buf.height*lib->splitline_y;
break;
case 2:
x0=buf.width*lib->splitline_x;
y0=0.0;
x1=buf.width;
y1=buf.height;
break;
case 3:
x0=0.0;
y0=buf.height*lib->splitline_y;
x1=buf.width;
y1=buf.height;
break;
default:
fprintf(stderr, "OMFG, the world will collapse, this shouldn't be reachable!\n");
return;
}
cairo_rectangle(cr, x0, y0, x1, y1);
cairo_clip(cr);
}
cairo_set_source_surface (cr, surface, 0, 0);
// set filter no nearest:
// in skull mode, we want to see big pixels.
// in 1 iir mode for the right mip, we want to see exactly what the pipe gave us, 1:1 pixel for pixel.
// in between, filtering just makes stuff go unsharp.
if((buf.width <= 8 && buf.height <= 8) || fabsf(scale - 1.0f) < 0.01f)
cairo_pattern_set_filter(cairo_get_source(cr), CAIRO_FILTER_NEAREST);
cairo_rectangle(cr, 0, 0, buf.width, buf.height);
int overlay_modes_index = dt_bauhaus_combobox_get(lib->overlay_mode);
if(overlay_modes_index >= 0)
{
cairo_operator_t mode = _overlay_modes[overlay_modes_index];
cairo_set_operator(cr, mode);
}
cairo_fill(cr);
cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
cairo_surface_destroy (surface);
}
cairo_restore(cr);
if(buf.buf)
dt_mipmap_cache_read_release(darktable.mipmap_cache, &buf);
if(img) dt_image_cache_read_release(darktable.image_cache, img);
// ON CANVAS CONTROLS
if(use_splitline)
{
float scale = fminf(1.0, fminf(w/pw, h/ph));
// image coordinates
lib->overlay_x0 = 0.5*(width-pw*scale);
lib->overlay_y0 = 0.5*(height-ph*scale+BAR_HEIGHT);
lib->overlay_x1 = lib->overlay_x0 + pw*scale;
lib->overlay_y1 = lib->overlay_y0 + ph*scale;
// splitline position to absolute coords:
double sl_x = lib->overlay_x0 + lib->splitline_x*pw*scale;
double sl_y = lib->overlay_y0 + lib->splitline_y*ph*scale;
int x0=sl_x, y0=0.0, x1=x0, y1=height;
if(lib->splitline_rotation % 2 != 0)
{
x0=0.0;
y0=sl_y;
x1=width;
y1=y0;
}
gboolean mouse_over_control = (lib->splitline_rotation%2==0)?(fabs(sl_x-pointerx)<5):(fabs(sl_y-pointery)<5);
cairo_save(cr);
cairo_set_source_rgb(cr, .7, .7, .7);
cairo_set_line_width(cr, (mouse_over_control ? 2.0 : 0.5) );
cairo_move_to(cr, x0, y0);
cairo_line_to(cr, x1, y1);
cairo_stroke(cr);
/* if mouse over control lets draw center rotate control, hide if split is dragged */
if(!lib->splitline_dragging && mouse_over_control)
{
cairo_set_line_width(cr,0.5);
double s = width*HANDLE_SIZE;
dtgtk_cairo_paint_refresh(cr, sl_x-(s*0.5), sl_y-(s*0.5), s, s, 1);
}
cairo_restore(cr);
}
}
// GUIDES
if(cam->live_view_rotation%2 == 1)
{
gint tmp = pw;
pw = ph;
ph = tmp;
}
float scale = 1.0;
// if(cam->live_view_zoom == FALSE)
// {
if(pw > w) scale = w/pw;
if(ph > h) scale = fminf(scale, h/ph);
// }
double sw = scale*pw;
double sh = scale*ph;
// draw guides
double left = (width - scale*pw)*0.5;
double right = left + scale*pw;
double top = (height + BAR_HEIGHT - scale*ph)*0.5;
double bottom = top + scale*ph;
double dashes = 5.0;
cairo_save(cr);
cairo_set_dash(cr, &dashes, 1, 0);
int guide_flip = dt_bauhaus_combobox_get(lib->flip_guides);
int which = dt_bauhaus_combobox_get(lib->guide_selector);
switch(which)
{
case GUIDE_GRID:
dt_guides_draw_simple_grid(cr, left, top, right, bottom, 1.0);
break;
case GUIDE_DIAGONAL:
dt_guides_draw_diagonal_method(cr, left, top, sw, sh);
cairo_stroke (cr);
cairo_set_dash (cr, &dashes, 0, 0);
cairo_set_source_rgba(cr, .3, .3, .3, .8);
dt_guides_draw_diagonal_method(cr, left, top, sw, sh);
cairo_stroke (cr);
break;
case GUIDE_THIRD:
dt_guides_draw_rules_of_thirds(cr, left, top, right, bottom, sw/3.0, sh/3.0);
cairo_stroke (cr);
cairo_set_dash (cr, &dashes, 0, 0);
cairo_set_source_rgba(cr, .3, .3, .3, .8);
dt_guides_draw_rules_of_thirds(cr, left, top, right, bottom, sw/3.0, sh/3.0);
cairo_stroke (cr);
break;
case GUIDE_TRIANGL:
{
int dst = (int)((sh*cos(atan(sw/sh)) / (cos(atan(sh/sw)))));
// Move coordinates to local center selection.
cairo_translate(cr, ((right - left)/2+left), ((bottom - top)/2+top));
// Flip horizontal.
if (guide_flip & 1)
cairo_scale(cr, -1, 1);
// Flip vertical.
if (guide_flip & 2)
cairo_scale(cr, 1, -1);
dt_guides_draw_harmonious_triangles(cr, left, top, right, bottom, dst);
cairo_stroke (cr);
//p.setPen(QPen(d->guideColor, d->guideSize, Qt::DotLine));
cairo_set_dash (cr, &dashes, 0, 0);
cairo_set_source_rgba(cr, .3, .3, .3, .8);
dt_guides_draw_harmonious_triangles(cr, left, top, right, bottom, dst);
cairo_stroke (cr);
}
break;
case GUIDE_GOLDEN:
{
// Move coordinates to local center selection.
cairo_translate(cr, ((right - left)/2+left), ((bottom - top)/2+top));
// Flip horizontal.
if (guide_flip & 1)
cairo_scale(cr, -1, 1);
// Flip vertical.
if (guide_flip & 2)
cairo_scale(cr, 1, -1);
float w = sw;
float h = sh;
// lengths for the golden mean and half the sizes of the region:
float w_g = w*INVPHI;
float h_g = h*INVPHI;
float w_2 = w/2;
float h_2 = h/2;
dt_QRect_t R1, R2, R3, R4, R5, R6, R7;
dt_guides_q_rect (&R1, -w_2, -h_2, w_g, h);
// w - 2*w_2 corrects for one-pixel difference
// so that R2.right() is really at the right end of the region
dt_guides_q_rect (&R2, w_g-w_2, h_2-h_g, w-w_g+1-(w - 2*w_2), h_g);
dt_guides_q_rect (&R3, w_2 - R2.width*INVPHI, -h_2, R2.width*INVPHI, h - R2.height);
dt_guides_q_rect (&R4, R2.left, R1.top, R3.left - R2.left, R3.height*INVPHI);
dt_guides_q_rect (&R5, R4.left, R4.bottom, R4.width*INVPHI, R3.height - R4.height);
dt_guides_q_rect (&R6, R5.left + R5.width, R5.bottom - R5.height*INVPHI, R3.left - R5.right, R5.height*INVPHI);
dt_guides_q_rect (&R7, R6.right - R6.width*INVPHI, R4.bottom, R6.width*INVPHI, R5.height - R6.height);
const int extras = dt_bauhaus_combobox_get(lib->golden_extras);
dt_guides_draw_golden_mean(cr, &R1, &R2, &R3, &R4, &R5, &R6, &R7,
extras == 0 || extras == 3,
0,
extras == 1 || extras == 3,
extras == 2 || extras == 3);
cairo_stroke (cr);
cairo_set_dash (cr, &dashes, 0, 0);
cairo_set_source_rgba(cr, .3, .3, .3, .8);
dt_guides_draw_golden_mean(cr, &R1, &R2, &R3, &R4, &R5, &R6, &R7,
extras == 0 || extras == 3,
0,
extras == 1 || extras == 3,
extras == 2 || extras == 3);
cairo_stroke (cr);
}
break;
}
cairo_restore(cr);
dt_pthread_mutex_unlock(&cam->live_view_pixbuf_mutex);
}
int button_released(struct dt_lib_module_t *self, double x, double y, int which, uint32_t state)
{
dt_lib_live_view_t *d = (dt_lib_live_view_t *)self->data;
if(d->splitline_dragging == TRUE)
{
d->splitline_dragging = FALSE;
return 1;
}
return 0;
}
int button_pressed (struct dt_lib_module_t *self, double x, double y, double pressure, int which, int type, uint32_t state)
{
dt_lib_live_view_t *lib = (dt_lib_live_view_t *)self->data;
int result = 0;
int imgid = 0;
switch(dt_bauhaus_combobox_get(lib->overlay))
{
case OVERLAY_SELECTED:
imgid = dt_view_tethering_get_selected_imgid(darktable.view_manager);
break;
case OVERLAY_ID:
imgid = lib->imgid;
break;
}
if(imgid > 0 && dt_bauhaus_combobox_get(lib->overlay_splitline))
{
const double width = lib->overlay_x1 - lib->overlay_x0;
const double height = lib->overlay_y1 - lib->overlay_y0;
// splitline position to absolute coords:
double sl_x = lib->overlay_x0 + lib->splitline_x * width;
double sl_y = lib->overlay_y0 + lib->splitline_y * height;
gboolean mouse_over_control = (lib->splitline_rotation%2==0)?(fabs(sl_x-x)<5):(fabs(sl_y-y)<5);
/* do the split rotating */
if(which==1 && fabs(sl_x-x)<7 && fabs(sl_y-y)<7)
{
/* let's rotate */
lib->splitline_rotation = (lib->splitline_rotation+1)%4;
dt_control_queue_redraw_center();
result = 1;
}
/* do the dragging !? */
else if (which==1 && mouse_over_control)
{
lib->splitline_dragging = TRUE;
dt_control_queue_redraw_center();
result = 1;
}
}
return result;
}
int mouse_moved(dt_lib_module_t *self, double x, double y, double pressure, int which)
{
dt_lib_live_view_t *lib = (dt_lib_live_view_t *)self->data;
int result = 0;
if(lib->splitline_dragging)
{
const double width = lib->overlay_x1 - lib->overlay_x0;
const double height = lib->overlay_y1 - lib->overlay_y0;
// absolute coords to splitline position:
lib->splitline_x = CLAMPS((x - lib->overlay_x0)/width, 0.0, 1.0);
lib->splitline_y = CLAMPS((y - lib->overlay_y0)/height, 0.0, 1.0);
result = 1;
}
return result;
}
// modelines: These editor modelines have been set for all relevant files by tools/update_modelines.sh
// vim: shiftwidth=2 expandtab tabstop=2 cindent
// kate: tab-indents: off; indent-width 2; replace-tabs on; indent-mode cstyle; remove-trailing-space on;