/* expose snapshot over center viewport */
void gui_post_expose(dt_lib_module_t *self, cairo_t *cri, int32_t width, int32_t height, int32_t pointerx, int32_t pointery)
{
dt_lib_snapshots_t *d = (dt_lib_snapshots_t *)self->data;
// convert to image coordinates:
double x_start = width > darktable.thumbnail_width ? (width - darktable.thumbnail_width) *.5f:0;
double y_start = height > darktable.thumbnail_height ? (height- darktable.thumbnail_height)*.5f:0;
if(d->snapshot_image)
{
d->vp_width = width;
d->vp_height = height;
/* check if mouse pointer is on draggable area */
double xp = pointerx/d->vp_width;
double yp = pointery/d->vp_height;
double xpt = xp*0.01;
double ypt = yp*0.01;
gboolean mouse_over_control = d->vertical ? ((xp > d->vp_xpointer-xpt && xp < d->vp_xpointer+xpt)?TRUE:FALSE) :
((yp > d->vp_ypointer-ypt && yp < d->vp_ypointer+ypt)?TRUE:FALSE);
/* set x,y,w,h of surface depending on split align and invert */
double x = d->vertical ? (d->inverted?width*d->vp_xpointer:0) : 0;
double y = d->vertical ? 0 : (d->inverted?height*d->vp_ypointer:0);
double w = d->vertical ? (d->inverted?(width * (1.0 - d->vp_xpointer)):width * d->vp_xpointer) : width;
double h = d->vertical ? height : (d->inverted?(height * (1.0 - d->vp_ypointer)):height * d->vp_ypointer);
cairo_set_source_surface(cri, d->snapshot_image, x_start, y_start);
//cairo_rectangle(cri, 0, 0, width*d->vp_xpointer, height);
cairo_rectangle(cri,x,y,w,h);
cairo_fill(cri);
/* draw the split line */
cairo_set_source_rgb(cri, .7, .7, .7);
cairo_set_line_width(cri, (mouse_over_control ? 2.0 : 0.5) );
if(d->vertical)
{
cairo_move_to(cri, width*d->vp_xpointer, 0.0f);
cairo_line_to(cri, width*d->vp_xpointer, height);
}
else
{
cairo_move_to(cri, 0.0f, height*d->vp_ypointer);
cairo_line_to(cri, width, height*d->vp_ypointer);
}
cairo_stroke(cri);
/* if mouse over control lets draw center rotate control, hide if split is dragged */
if(!d->dragging && mouse_over_control)
{
cairo_set_line_width(cri,0.5);
double s = width*HANDLE_SIZE;
dtgtk_cairo_paint_refresh(cri,
(d->vertical ? width*d->vp_xpointer : width*0.5)-(s*0.5),
(d->vertical ? height*0.5 : height*d->vp_ypointer)-(s*0.5),
s,s,0);
}
}
}
/*
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/camera_control.h"
#include "common/darktable.h"
#include "common/image_cache.h"
#include "common/mipmap_cache.h"
#include "control/conf.h"
#include "control/control.h"
#include "control/jobs.h"
#include "dtgtk/button.h"
#include "gui/accelerators.h"
#include "gui/gtk.h"
#include "gui/guides.h"
#include "libs/lib.h"
#include "libs/lib_api.h"
#include <gdk/gdkkeysyms.h>
typedef enum dt_lib_live_view_flip_t
{
FLAG_FLIP_NONE = 0,
FLAG_FLIP_HORIZONTAL = 1<<0,
FLAG_FLIP_VERTICAL = 1<<1,
FLAG_FLIP_BOTH = FLAG_FLIP_HORIZONTAL|FLAG_FLIP_VERTICAL
} dt_lib_live_view_flip_t;
typedef enum dt_lib_live_view_overlay_t
{
OVERLAY_NONE = 0,
OVERLAY_SELECTED,
OVERLAY_ID
} dt_lib_live_view_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, *guides_widgets;
GList *guides_widgets_list;
GtkWidget *overlay, *overlay_id_box, *overlay_id, *overlay_mode, *overlay_splitline;
} dt_lib_live_view_t;
static void guides_presets_set_visibility(dt_lib_live_view_t *lib, int which)
{
if(which == 0)
{
gtk_widget_set_no_show_all(lib->guides_widgets, TRUE);
gtk_widget_hide(lib->guides_widgets);
gtk_widget_set_no_show_all(lib->flip_guides, TRUE);
gtk_widget_hide(lib->flip_guides);
}
else
{
GtkWidget *widget = g_list_nth_data(lib->guides_widgets_list, which - 1);
if(widget)
{
gtk_widget_set_no_show_all(lib->guides_widgets, FALSE);
gtk_widget_show_all(lib->guides_widgets);
gtk_stack_set_visible_child(GTK_STACK(lib->guides_widgets), widget);
}
else
{
gtk_widget_set_no_show_all(lib->guides_widgets, TRUE);
gtk_widget_hide(lib->guides_widgets);
}
gtk_widget_set_no_show_all(lib->flip_guides, FALSE);
gtk_widget_show_all(lib->flip_guides);
}
// TODO: add a support_flip flag to guides to hide the flip gui?
}
static void guides_presets_changed(GtkWidget *combo, dt_lib_live_view_t *lib)
{
int which = dt_bauhaus_combobox_get(combo);
guides_presets_set_visibility(lib, which);
}
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(dt_lib_module_t *self)
{
return _("live view");
}
const char **views(dt_lib_module_t *self)
{
static const char *v[] = {"tethering", NULL};
return v;
}
uint32_t container(dt_lib_module_t *self)
{
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", "zoom live view"), GDK_KEY_z, 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, "zoom live view", GTK_WIDGET(lib->live_view_zoom));
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 void _focus_button_clicked(GtkWidget *widget, gpointer user_data)
{
int focus = GPOINTER_TO_INT(user_data);
dt_camctl_camera_set_property_choice(darktable.camctl, NULL, "manualfocusdrive", 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 = calloc(1, 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_box_new(GTK_ORIENTATION_VERTICAL, 0);
dt_gui_add_help_link(self->widget, "live_view.html#live_view");
GtkWidget *box;
box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
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, NULL);
lib->live_view_zoom = dtgtk_button_new(
dtgtk_cairo_paint_zoom, CPF_STYLE_FLAT | CPF_DO_NOT_USE_BORDER, NULL); // TODO: see _zoom_live_view_clicked
lib->rotate_ccw = dtgtk_button_new(dtgtk_cairo_paint_refresh, CPF_STYLE_FLAT | CPF_DO_NOT_USE_BORDER, NULL);
lib->rotate_cw = dtgtk_button_new(dtgtk_cairo_paint_refresh,
CPF_STYLE_FLAT | CPF_DO_NOT_USE_BORDER | CPF_DIRECTION_UP, NULL);
lib->flip = dtgtk_togglebutton_new(dtgtk_cairo_paint_flip,
CPF_STYLE_FLAT | CPF_DO_NOT_USE_BORDER | CPF_DIRECTION_UP, NULL);
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);
gtk_widget_set_tooltip_text(lib->live_view, _("toggle live view"));
gtk_widget_set_tooltip_text(lib->live_view_zoom, _("zoom live view"));
gtk_widget_set_tooltip_text(lib->rotate_ccw, _("rotate 90 degrees ccw"));
gtk_widget_set_tooltip_text(lib->rotate_cw, _("rotate 90 degrees cw"));
gtk_widget_set_tooltip_text(lib->flip, _("flip live view horizontally"));
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_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
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, NULL);
lib->focus_in_small
= dtgtk_button_new(dtgtk_cairo_paint_arrow, CPF_STYLE_FLAT | CPF_DO_NOT_USE_BORDER
| CPF_DIRECTION_LEFT, NULL); // 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, NULL); // 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, NULL);
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);
gtk_widget_set_tooltip_text(lib->focus_in_big, _("move focus point in (big steps)"));
gtk_widget_set_tooltip_text(lib->focus_in_small, _("move focus point in (small steps)"));
gtk_widget_set_tooltip_text(lib->focus_out_small, _("move focus point out (small steps)"));
gtk_widget_set_tooltip_text(lib->focus_out_big, _("move focus point out (big steps)"));
// Near 3
g_signal_connect(G_OBJECT(lib->focus_in_big), "clicked", G_CALLBACK(_focus_button_clicked),
GINT_TO_POINTER(2));
// Near 1
g_signal_connect(G_OBJECT(lib->focus_in_small), "clicked", G_CALLBACK(_focus_button_clicked),
GINT_TO_POINTER(0));
// Far 1
g_signal_connect(G_OBJECT(lib->focus_out_small), "clicked", G_CALLBACK(_focus_button_clicked),
GINT_TO_POINTER(4));
// Far 3
g_signal_connect(G_OBJECT(lib->focus_out_big), "clicked", G_CALLBACK(_focus_button_clicked),
GINT_TO_POINTER(6));
// Guides
lib->guide_selector = dt_bauhaus_combobox_new(NULL);
dt_bauhaus_widget_set_label(lib->guide_selector, NULL, _("guides"));
gtk_box_pack_start(GTK_BOX(self->widget), lib->guide_selector, TRUE, TRUE, 0);
lib->guides_widgets = gtk_stack_new();
gtk_stack_set_homogeneous(GTK_STACK(lib->guides_widgets), FALSE);
gtk_box_pack_start(GTK_BOX(self->widget), lib->guides_widgets, TRUE, TRUE, 0);
dt_bauhaus_combobox_add(lib->guide_selector, _("none"));
int i = 0;
for(GList *iter = darktable.guides; iter; iter = g_list_next(iter), i++)
{
GtkWidget *widget = NULL;
dt_guides_t *guide = (dt_guides_t *)iter->data;
dt_bauhaus_combobox_add(lib->guide_selector, _(guide->name));
if(guide->widget)
{
// generate some unique name so that we can have the same name several times
char name[5];
snprintf(name, sizeof(name), "%d", i);
widget = guide->widget(NULL, guide->user_data);
gtk_widget_show_all(widget);
gtk_stack_add_named(GTK_STACK(lib->guides_widgets), widget, name);
}
lib->guides_widgets_list = g_list_append(lib->guides_widgets_list, widget);
}
gtk_widget_set_no_show_all(lib->guides_widgets, TRUE);
gtk_widget_set_tooltip_text(lib->guide_selector, _("display guide lines to help compose your photograph"));
g_signal_connect(G_OBJECT(lib->guide_selector), "value-changed", G_CALLBACK(guides_presets_changed), lib);
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"));
gtk_widget_set_tooltip_text(lib->flip_guides, _("flip guides"));
gtk_box_pack_start(GTK_BOX(self->widget), lib->flip_guides, 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"));
gtk_widget_set_tooltip_text(lib->overlay, _("overlay another image over the live view"));
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_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
GtkWidget *label = gtk_label_new(_("image id"));
gtk_widget_set_halign(label, GTK_ALIGN_START);
lib->overlay_id = gtk_spin_button_new_with_range(0, 1000000000, 1);
gtk_spin_button_set_digits(GTK_SPIN_BUTTON(lib->overlay_id), 0);
gtk_widget_set_tooltip_text(lib->overlay_id, _("enter image id of the overlay manually"));
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
gtk_widget_set_tooltip_text(lib->overlay_mode, _("mode of the overlay"));
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"));
gtk_widget_set_tooltip_text(lib->overlay_splitline, _("only draw part of the overlay"));
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->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->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);
guides_presets_set_visibility(lib, 0);
}
void gui_cleanup(dt_lib_module_t *self)
{
// dt_lib_live_view_t *lib = self->data;
// g_list_free(lib->guides_widgets_list);
// INTENTIONAL. it's supposed to be leaky until lua is fixed.
free(self->data);
self->data = NULL;
}
void view_enter(struct dt_lib_module_t *self,struct dt_view_t *old_view,struct dt_view_t *new_view)
{
// 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
dt_lib_live_view_t *lib = self->data;
const dt_camera_t *cam = darktable.camctl->active_camera;
if(cam == NULL) cam = darktable.camctl->wanted_camera;
gboolean sensitive = cam && cam->can_live_view_advanced;
gtk_widget_set_sensitive(lib->live_view_zoom, sensitive);
gtk_widget_set_sensitive(lib->focus_in_big, sensitive);
gtk_widget_set_sensitive(lib->focus_in_small, sensitive);
gtk_widget_set_sensitive(lib->focus_out_big, sensitive);
gtk_widget_set_sensitive(lib->focus_out_small, sensitive);
}
// 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);
const dt_image_t *img = dt_image_cache_testget(darktable.image_cache, imgid, 'r');
// if the user points at this image, we really want it:
if(!img) img = dt_image_cache_get(darktable.image_cache, imgid, 'r');
const float imgwd = 0.97f;
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_get(darktable.mipmap_cache, &buf, imgid, mip, 0, 'r');
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.buf, CAIRO_FORMAT_RGB24, buf.width,
buf.height, stride);
scale = fminf(fminf(w, pw) / (float)buf.width, fminf(h, ph) / (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");
dt_pthread_mutex_unlock(&cam->live_view_pixbuf_mutex);
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_release(darktable.mipmap_cache, &buf);
if(img) dt_image_cache_read_release(darktable.image_cache, img);
// ON CANVAS CONTROLS
if(use_splitline)
{
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, NULL);
}
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
int guide_flip = dt_bauhaus_combobox_get(lib->flip_guides);
double left = (width - sw) * 0.5;
double top = (height + BAR_HEIGHT - sh) * 0.5;
double dashes = 5.0;
cairo_save(cr);
cairo_rectangle(cr, left, top, sw, sh);
cairo_clip(cr);
cairo_set_dash(cr, &dashes, 1, 0);
// Move coordinates to local center selection.
cairo_translate(cr, (sw / 2 + left), (sh / 2 + top));
// Flip horizontal.
if(guide_flip & FLAG_FLIP_HORIZONTAL) cairo_scale(cr, -1, 1);
// Flip vertical.
if(guide_flip & FLAG_FLIP_VERTICAL) cairo_scale(cr, 1, -1);
int which = dt_bauhaus_combobox_get(lib->guide_selector);
dt_guides_t *guide = (dt_guides_t *)g_list_nth_data(darktable.guides, which - 1);
if(guide)
{
guide->draw(cr, -sw / 2, -sh / 2, sw, sh, 1.0, guide->user_data);
cairo_stroke_preserve(cr);
cairo_set_dash(cr, &dashes, 0, 0);
cairo_set_source_rgba(cr, .3, .3, .3, .8);
cairo_stroke(cr);
}
cairo_restore(cr);
dt_pthread_mutex_unlock(&cam->live_view_pixbuf_mutex);
}
