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ufraw_preview.c
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ufraw_preview.c
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/*
* UFRaw - Unidentified Flying Raw converter for digital camera images
*
* ufraw_preview.c - GUI for controlling all the image manipulations
* Copyright 2004-2016 by Udi Fuchs
*
* based on the GIMP plug-in by Pawel T. Jochym jochym at ifj edu pl,
*
* based on the GIMP plug-in by Dave Coffin
* http://www.cybercom.net/~dcoffin/
*
* This program 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 2 of the License, or
* (at your option) any later version.
*/
#include "ufraw.h"
#include "uf_gtk.h"
#include "ufraw_ui.h"
#include "curveeditor_widget.h"
#include <gdk/gdkkeysyms.h>
#include <glib/gi18n.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <errno.h>
#ifdef _OPENMP
#include <omp.h>
#define uf_omp_get_thread_num() omp_get_thread_num()
#define uf_omp_get_max_threads() omp_get_max_threads()
#else
#define uf_omp_get_thread_num() 0
#define uf_omp_get_max_threads() 1
#endif
#ifdef _WIN32 /* GDK threads are not supported on the Windows platform. */
#define gdk_threads_add_timeout g_timeout_add
#define gdk_threads_add_idle_full g_idle_add_full
#endif
#ifdef __MINGW32__
#ifdef __MINGW64__
#define uf_long gint64
#else
#define uf_long gint32
#endif
#else
#define uf_long long
#endif
void ufraw_chooser_toggle(GtkToggleButton *button, GtkFileChooser *filechooser);
static void update_crop_ranges(preview_data *data, gboolean render);
static void adjustment_update(GtkAdjustment *adj, double *valuep);
static void button_update(GtkWidget *button, gpointer user_data);
extern GtkFileChooser *ufraw_raw_chooser(conf_data *conf, const char *defPath,
const gchar *label, GtkWindow *toplevel, const gchar *cancel,
gboolean multiple);
/* Set to huge number so that the preview size is set by the screen size */
static const int def_preview_width = 9000;
static const int def_preview_height = 9000;
static const int his_max_height = 256;
enum { pixel_format, percent_format };
enum { without_zone, with_zone };
static char *expanderText[] = { N_("Raw histogram with conversion curves"),
N_("Live histogram"), NULL
};
static const GdkCursorType Cursors[cursor_num] = {
GDK_HAND2, GDK_CROSSHAIR,
GDK_LEFT_SIDE, GDK_RIGHT_SIDE, GDK_TOP_SIDE, GDK_BOTTOM_SIDE,
GDK_TOP_LEFT_CORNER, GDK_TOP_RIGHT_CORNER,
GDK_BOTTOM_LEFT_CORNER, GDK_BOTTOM_RIGHT_CORNER,
GDK_FLEUR
};
static const char *grayscaleModeNames[5] = {
N_("None"),
N_("Lightness"),
N_("Luminance"),
N_("Value"),
N_("Channel Mixer")
};
preview_data *get_preview_data(void *object)
{
GtkWidget *widget;
if (GTK_IS_ADJUSTMENT(object)) {
widget = g_object_get_data(object, "Parent-Widget");
} else if (GTK_IS_MENU(object)) {
widget = g_object_get_data(G_OBJECT(object), "Parent-Widget");
} else if (GTK_IS_MENU_ITEM(object)) {
GtkWidget *menu = gtk_widget_get_ancestor(object, GTK_TYPE_MENU);
widget = g_object_get_data(G_OBJECT(menu), "Parent-Widget");
} else {
widget = object;
}
GtkWidget *parentWindow = gtk_widget_get_toplevel(widget);
preview_data *data =
g_object_get_data(G_OBJECT(parentWindow), "Preview-Data");
return data;
}
void ufraw_focus(void *window, gboolean focus)
{
if (focus) {
GtkWindow *parentWindow =
(void *)ufraw_message(UFRAW_SET_PARENT, (char *)window);
g_object_set_data(G_OBJECT(window), "WindowParent", parentWindow);
if (parentWindow != NULL)
gtk_window_set_accept_focus(GTK_WINDOW(parentWindow), FALSE);
} else {
GtkWindow *parentWindow = g_object_get_data(G_OBJECT(window),
"WindowParent");
ufraw_message(UFRAW_SET_PARENT, (char *)parentWindow);
if (parentWindow != NULL)
gtk_window_set_accept_focus(GTK_WINDOW(parentWindow), TRUE);
}
}
void ufraw_messenger(char *message, void *parentWindow)
{
GtkDialog *dialog;
if (parentWindow == NULL) {
ufraw_batch_messenger(message);
} else {
dialog = GTK_DIALOG(gtk_message_dialog_new(GTK_WINDOW(parentWindow),
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_WARNING, GTK_BUTTONS_OK, "%s", message));
gtk_window_set_title(GTK_WINDOW(dialog), _("UFRaw Message"));
gtk_dialog_run(dialog);
gtk_widget_destroy(GTK_WIDGET(dialog));
}
}
/*
* Check if a named curve exists in a table of curves
* First cut is to check for name match only.
* Ideally, we should check points defining the curve as well.
* However, if we do that we also need to have some way of
* differentiating them by name in the drop-downs
* and those names must be consistent across reloads,
* regardless of the order in the .ufrawrc file
* returns:
* -1 if curve does not exist in the table of curves
* index into the curve table if the curve is there
* 0 < return value < table.curveCount
* TODO: The various curve tables and their counts, max counts, and current index
* should be combined into a single object/structure which can be passed
* as one param.
*/
static int find_curve_in_conf(CurveData *newCurve, CurveData *curveTbl, int curveCount)
{
int curveIdx = -1;
int i;
for ( i = 0 ; i < curveCount ; i++) {
if (!strcmp(newCurve->name, curveTbl->name)) {
curveIdx = i;
break;
}
curveTbl++;
}
printf("find_curve_in_conf, curveIdx=%d\n", curveIdx);
return curveIdx;
}
static void load_curve(GtkWidget *widget, long curveType)
{
preview_data *data = get_preview_data(widget);
GtkFileChooser *fileChooser;
GtkFileFilter *filter;
GSList *list, *saveList;
CurveData c;
int curveIdx; /* index into curve table; < 0 means not there */
char *cp;
if (data->FreezeDialog) return;
if ((curveType == base_curve && CFG->BaseCurveCount >= max_curves) ||
(curveType == luminosity_curve && CFG->curveCount >= max_curves)) {
ufraw_message(UFRAW_ERROR, _("No more room for new curves."));
return;
}
fileChooser = GTK_FILE_CHOOSER(gtk_file_chooser_dialog_new(_("Load curve"),
GTK_WINDOW(gtk_widget_get_toplevel(widget)),
GTK_FILE_CHOOSER_ACTION_OPEN,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT, NULL));
ufraw_focus(fileChooser, TRUE);
gtk_file_chooser_set_select_multiple(fileChooser, TRUE);
gtk_file_chooser_set_show_hidden(fileChooser, FALSE);
GtkWidget *button = gtk_check_button_new_with_label(_("Show hidden files"));
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), FALSE);
g_signal_connect(G_OBJECT(button), "toggled",
G_CALLBACK(ufraw_chooser_toggle), fileChooser);
gtk_file_chooser_set_extra_widget(fileChooser, button);
filter = GTK_FILE_FILTER(gtk_file_filter_new());
gtk_file_filter_set_name(filter, _("All curve formats"));
gtk_file_filter_add_pattern(filter, "*.ntc");
gtk_file_filter_add_pattern(filter, "*.NTC");
gtk_file_filter_add_pattern(filter, "*.ncv");
gtk_file_filter_add_pattern(filter, "*.NCV");
gtk_file_filter_add_pattern(filter, "*.curve");
gtk_file_filter_add_pattern(filter, "*.CURVE");
gtk_file_chooser_add_filter(fileChooser, filter);
filter = GTK_FILE_FILTER(gtk_file_filter_new());
gtk_file_filter_set_name(filter, _("UFRaw curve format"));
gtk_file_filter_add_pattern(filter, "*.curve");
gtk_file_filter_add_pattern(filter, "*.CURVE");
gtk_file_chooser_add_filter(fileChooser, filter);
filter = GTK_FILE_FILTER(gtk_file_filter_new());
gtk_file_filter_set_name(filter, _("Nikon curve format"));
gtk_file_filter_add_pattern(filter, "*.ntc");
gtk_file_filter_add_pattern(filter, "*.NTC");
gtk_file_filter_add_pattern(filter, "*.ncv");
gtk_file_filter_add_pattern(filter, "*.NCV");
gtk_file_chooser_add_filter(fileChooser, filter);
filter = GTK_FILE_FILTER(gtk_file_filter_new());
gtk_file_filter_set_name(filter, _("All files"));
gtk_file_filter_add_pattern(filter, "*");
gtk_file_chooser_add_filter(fileChooser, filter);
if (strlen(CFG->curvePath) > 0)
gtk_file_chooser_set_current_folder(fileChooser, CFG->curvePath);
if (gtk_dialog_run(GTK_DIALOG(fileChooser)) == GTK_RESPONSE_ACCEPT) {
for (list = saveList = gtk_file_chooser_get_filenames(fileChooser);
list != NULL;
list = g_slist_next(list)) {
c = conf_default.curve[0];
if (curve_load(&c, list->data) != UFRAW_SUCCESS) continue;
if (curveType == base_curve) {
if (CFG->BaseCurveCount >= max_curves) break;
curveIdx = find_curve_in_conf(&c, CFG->curve, CFG->curveCount);
if (curveIdx < 0) { /* check if unknown curve */
gtk_combo_box_append_text(data->BaseCurveCombo, c.name);
CFG->BaseCurve[CFG->BaseCurveCount] = c;
CFG->BaseCurveIndex = CFG->BaseCurveCount;
CFG->BaseCurveCount++;
/* Add curve to .ufrawrc but don't make it default */
RC->BaseCurve[RC->BaseCurveCount++] = c;
if (CFG_cameraCurve)
gtk_combo_box_set_active(data->BaseCurveCombo,
CFG->BaseCurveIndex);
else
gtk_combo_box_set_active(data->BaseCurveCombo,
CFG->BaseCurveIndex - 2);
} else { /* change the active curve */
gtk_combo_box_set_active(data->CurveCombo, curveIdx);
}
} else { /* curveType==luminosity_curve */
if (CFG->curveCount >= max_curves) break;
curveIdx = find_curve_in_conf(&c, CFG->curve, CFG->curveCount);
if (curveIdx < 0) {
/* curve is a new one we don't know about, record it */
gtk_combo_box_append_text(data->CurveCombo, c.name);
CFG->curve[CFG->curveCount] = c;
CFG->curveIndex = CFG->curveCount;
CFG->curveCount++;
/* Add curve to .ufrawrc but don't make it default */
RC->curve[RC->curveCount++] = c;
gtk_combo_box_set_active(data->CurveCombo, CFG->curveIndex);
} else { /* change active curve to existing one */
gtk_combo_box_set_active(data->CurveCombo, curveIdx);
}
}
/* Save the curve to the config, as it is the one used by this image
* if it is a new one, also save it to the .ufrawrc file
*/
cp = g_path_get_dirname(list->data);
g_strlcpy(CFG->curvePath, cp, max_path);
if (curveIdx < 0) {
g_strlcpy(RC->curvePath, cp, max_path);
conf_save(RC, NULL, NULL);
}
g_free(cp);
g_free(list->data);
}
if (list != NULL)
ufraw_message(UFRAW_ERROR, _("No more room for new curves."));
g_slist_free(saveList);
}
ufraw_focus(fileChooser, FALSE);
gtk_widget_destroy(GTK_WIDGET(fileChooser));
}
static void save_curve(GtkWidget *widget, long curveType)
{
preview_data *data = get_preview_data(widget);
GtkFileChooser *fileChooser;
GtkFileFilter *filter;
char defFilename[max_name];
char *filename, *cp;
if (data->FreezeDialog) return;
fileChooser = GTK_FILE_CHOOSER(gtk_file_chooser_dialog_new(_("Save curve"),
GTK_WINDOW(gtk_widget_get_toplevel(widget)),
GTK_FILE_CHOOSER_ACTION_SAVE,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT, NULL));
ufraw_focus(fileChooser, TRUE);
gtk_file_chooser_set_show_hidden(fileChooser, FALSE);
GtkWidget *button = gtk_check_button_new_with_label(_("Show hidden files"));
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), FALSE);
g_signal_connect(G_OBJECT(button), "toggled",
G_CALLBACK(ufraw_chooser_toggle), fileChooser);
gtk_file_chooser_set_extra_widget(fileChooser, button);
filter = GTK_FILE_FILTER(gtk_file_filter_new());
gtk_file_filter_set_name(filter, _("All curve formats"));
gtk_file_filter_add_pattern(filter, "*.ntc");
gtk_file_filter_add_pattern(filter, "*.NTC");
gtk_file_filter_add_pattern(filter, "*.ncv");
gtk_file_filter_add_pattern(filter, "*.NCV");
gtk_file_filter_add_pattern(filter, "*.curve");
gtk_file_filter_add_pattern(filter, "*.CURVE");
gtk_file_chooser_add_filter(fileChooser, filter);
filter = GTK_FILE_FILTER(gtk_file_filter_new());
gtk_file_filter_set_name(filter, _("UFRaw curve format"));
gtk_file_filter_add_pattern(filter, "*.curve");
gtk_file_filter_add_pattern(filter, "*.CURVE");
gtk_file_chooser_add_filter(fileChooser, filter);
filter = GTK_FILE_FILTER(gtk_file_filter_new());
gtk_file_filter_set_name(filter, _("Nikon curve format"));
gtk_file_filter_add_pattern(filter, "*.ntc");
gtk_file_filter_add_pattern(filter, "*.NTC");
gtk_file_filter_add_pattern(filter, "*.ncv");
gtk_file_filter_add_pattern(filter, "*.NCV");
gtk_file_chooser_add_filter(fileChooser, filter);
filter = GTK_FILE_FILTER(gtk_file_filter_new());
gtk_file_filter_set_name(filter, _("All files"));
gtk_file_filter_add_pattern(filter, "*");
gtk_file_chooser_add_filter(fileChooser, filter);
if (strlen(CFG->curvePath) > 0)
gtk_file_chooser_set_current_folder(fileChooser, CFG->curvePath);
if (curveType == base_curve)
g_snprintf(defFilename, max_name, "%s.curve",
CFG->BaseCurve[CFG->BaseCurveIndex].name);
else
g_snprintf(defFilename, max_name, "%s.curve",
CFG->curve[CFG->curveIndex].name);
gtk_file_chooser_set_current_name(fileChooser, defFilename);
if (gtk_dialog_run(GTK_DIALOG(fileChooser)) == GTK_RESPONSE_ACCEPT) {
filename = gtk_file_chooser_get_filename(fileChooser);
if (curveType == base_curve)
curve_save(&CFG->BaseCurve[CFG->BaseCurveIndex], filename);
else
curve_save(&CFG->curve[CFG->curveIndex], filename);
cp = g_path_get_dirname(filename);
g_strlcpy(CFG->curvePath, cp, max_path);
g_free(cp);
g_free(filename);
}
ufraw_focus(fileChooser, FALSE);
gtk_widget_destroy(GTK_WIDGET(fileChooser));
}
static void load_profile(GtkWidget *widget, long type)
{
preview_data *data = get_preview_data(widget);
GtkFileChooser *fileChooser;
GSList *list, *saveList;
GtkFileFilter *filter;
char *filename, *cp;
profile_data p;
if (data->FreezeDialog) return;
if (CFG->profileCount[type] == max_profiles) {
ufraw_message(UFRAW_ERROR, _("No more room for new profiles."));
return;
}
fileChooser = GTK_FILE_CHOOSER(gtk_file_chooser_dialog_new(
_("Load color profile"),
GTK_WINDOW(gtk_widget_get_toplevel(widget)),
GTK_FILE_CHOOSER_ACTION_OPEN,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT, NULL));
ufraw_focus(fileChooser, TRUE);
gtk_file_chooser_set_select_multiple(fileChooser, TRUE);
gtk_file_chooser_set_show_hidden(fileChooser, FALSE);
GtkWidget *button = gtk_check_button_new_with_label(_("Show hidden files"));
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), FALSE);
g_signal_connect(G_OBJECT(button), "toggled",
G_CALLBACK(ufraw_chooser_toggle), fileChooser);
gtk_file_chooser_set_extra_widget(fileChooser, button);
if (strlen(CFG->profilePath) > 0)
gtk_file_chooser_set_current_folder(fileChooser, CFG->profilePath);
filter = GTK_FILE_FILTER(gtk_file_filter_new());
gtk_file_filter_set_name(filter, _("Color Profiles"));
gtk_file_filter_add_pattern(filter, "*.icm");
gtk_file_filter_add_pattern(filter, "*.ICM");
gtk_file_filter_add_pattern(filter, "*.icc");
gtk_file_filter_add_pattern(filter, "*.ICC");
gtk_file_chooser_add_filter(fileChooser, filter);
filter = GTK_FILE_FILTER(gtk_file_filter_new());
gtk_file_filter_set_name(filter, _("All files"));
gtk_file_filter_add_pattern(filter, "*");
gtk_file_chooser_add_filter(fileChooser, filter);
if (gtk_dialog_run(GTK_DIALOG(fileChooser)) == GTK_RESPONSE_ACCEPT) {
for (list = saveList = gtk_file_chooser_get_filenames(fileChooser);
list != NULL && CFG->profileCount[type] < max_profiles;
list = g_slist_next(list)) {
filename = list->data;
p = conf_default.profile[type][conf_default.profileCount[type]];
g_strlcpy(p.file, filename, max_path);
/* Make sure we update product name */
Developer->updateTransform = TRUE;
developer_profile(Developer, type, &p);
if (Developer->profile[type] == NULL) {
g_free(list->data);
continue;
}
char *base = g_path_get_basename(filename);
char *name = uf_file_set_type(base, "");
char *utf8 = g_filename_display_name(name);
g_strlcpy(p.name, utf8, max_name);
g_free(utf8);
g_free(name);
g_free(base);
/* Set some defaults to the profile's curve */
p.gamma = profile_default_gamma(&p);
CFG->profile[type][CFG->profileCount[type]++] = p;
gtk_combo_box_append_text(data->ProfileCombo[type], p.name);
CFG->profileIndex[type] = CFG->profileCount[type] - 1;
cp = g_path_get_dirname(list->data);
g_strlcpy(CFG->profilePath, cp, max_path);
/* Add profile to .ufrawrc but don't make it default */
RC->profile[type][RC->profileCount[type]++] = p;
g_strlcpy(RC->profilePath, cp, max_path);
conf_save(RC, NULL, NULL);
g_free(cp);
g_free(list->data);
}
gtk_combo_box_set_active(data->ProfileCombo[type],
CFG->profileIndex[type]);
if (list != NULL)
ufraw_message(UFRAW_ERROR, _("No more room for new profiles."));
g_slist_free(saveList);
}
ufraw_focus(fileChooser, FALSE);
gtk_widget_destroy(GTK_WIDGET(fileChooser));
}
static colorLabels *color_labels_new(GtkTable *table, int x, int y,
char *label, int format, int zonep)
{
colorLabels *l;
GtkWidget *lbl;
int c, i = 0, numlabels;
l = g_new(colorLabels, 1);
l->format = format;
l->zonep = zonep;
numlabels = (zonep == with_zone ? 5 : 3);
if (label != NULL) {
lbl = gtk_label_new(label);
gtk_misc_set_alignment(GTK_MISC(lbl), 1, 0.5);
gtk_table_attach(table, lbl, x, x + 1, y, y + 1,
GTK_SHRINK | GTK_FILL, GTK_FILL, 0, 0);
i++;
}
/* 0-2 for RGB, 3 for value, 4 for zone */
for (c = 0; c < numlabels; c++, i++) {
l->labels[c] = GTK_LABEL(gtk_label_new(NULL));
GtkWidget *event_box = gtk_event_box_new();
gtk_container_add(GTK_CONTAINER(event_box), GTK_WIDGET(l->labels[c]));
gtk_table_attach(table, event_box, x + i, x + i + 1, y, y + 1,
GTK_EXPAND | GTK_FILL, 0, 0, 0);
switch (c) {
case 0:
case 1:
case 2:
gtk_label_set_width_chars(l->labels[c], 3);
break;
case 3:
gtk_label_set_width_chars(l->labels[c], 5);
gtk_widget_set_tooltip_text(event_box, _("Luminosity (Y value)"));
break;
case 4:
gtk_label_set_width_chars(l->labels[c], 4);
gtk_widget_set_tooltip_text(event_box, _("Adams' zone"));
}
}
return l;
}
/* Return numeric zone representation from 0-1 luminance value.
* Unlike Adams, we use arabic for now. */
static double value2zone(double v)
{
const double zoneV = 0.18;
double z_rel_V;
double zone;
/* Convert to value relative to zone V value. */
z_rel_V = v / zoneV;
/* Convert to log-based value, with zone V 0. */
zone = log(z_rel_V) / log(2.0);
/* Move zone 5 to the proper place. */
zone += 5.0;
return zone;
}
static void color_labels_set(colorLabels *l, double data[])
{
int c;
char buf1[max_name], buf2[max_name];
/* Value black, zone purple, for no good reason. */
const char *colorName[] = {"red", "green", "blue", "black", "purple"};
for (c = 0; c < 3; c++) {
switch (l->format) {
case pixel_format:
g_snprintf(buf1, max_name, "%3.f", data[c]);
break;
case percent_format:
if (data[c] < 10.0)
g_snprintf(buf1, max_name, "%2.1f%%", data[c]);
else
g_snprintf(buf1, max_name, "%2.0f%%", data[c]);
break;
default:
g_snprintf(buf1, max_name, "ERR");
}
g_snprintf(buf2, max_name, "<span foreground='%s'>%s</span>",
colorName[c], buf1);
gtk_label_set_markup(l->labels[c], buf2);
}
/* If value/zone not requested, just return now. */
if (l->zonep == without_zone)
return;
/* Value */
c = 3;
g_snprintf(buf2, max_name, "<span foreground='%s'>%0.3f</span>",
colorName[c], data[3]);
gtk_label_set_markup(l->labels[c], buf2);
/* Zone */
c = 4;
/* 2 decimal places may be excessive */
g_snprintf(buf2, max_name, "<span foreground='%s'>%0.2f</span>",
colorName[c], data[4]);
gtk_label_set_markup(l->labels[c], buf2);
}
static int zoom_to_scale(double zoom)
{
/* Try to setup for shrink instead of resize because of speed.
* We only round down to guarantee that scale-to-fit actually fits.
*/
int percent = zoom;
int mul = 100 / percent;
if (percent * mul <= 100 && (percent + 1) * mul > 100)
return mul;
else
return 0;
}
/* Modify the preview image to mark crop and spot areas.
* Note that all coordinate intervals are semi-inclusive, e.g.
* X1 <= pixels < X2 and Y1 <= pixels < Y2
* This approach makes computing width/height just a matter of
* substracting X1 from X2 or Y1 from Y2.
*/
static void preview_draw_area(preview_data *data,
int x, int y, int width, int height)
{
int pixbufHeight = gdk_pixbuf_get_height(data->PreviewPixbuf);
if (y < 0 || y >= pixbufHeight)
g_error("preview_draw_area(): y:%d out of range 0 <= y < %d",
y, pixbufHeight);
if (y + height > pixbufHeight)
g_error("preview_draw_area(): y+height:%d out of range y+height <= %d",
y + height, pixbufHeight);
if (height == 0) return; // Nothing to do
int pixbufWidth = gdk_pixbuf_get_width(data->PreviewPixbuf);
if (x < 0 || x >= pixbufWidth)
g_error("preview_draw_area(): x:%d out of range 0 <= x < %d",
x, pixbufWidth);
if (x + width > pixbufWidth)
g_error("preview_draw_area(): x+width:%d out of range x+width <= %d",
x + width, pixbufWidth);
if (width == 0) return; // Nothing to do
gboolean blinkOver = CFG->overExp &&
(!CFG->blinkOverUnder || (data->OverUnderTicker & 3) == 1);
gboolean blinkUnder = CFG->underExp &&
(!CFG->blinkOverUnder || (data->OverUnderTicker & 3) == 3);
UFRectangle Crop;
ufraw_get_scaled_crop(data->UF, &Crop);
int CropX2 = Crop.x + Crop.width;
int CropY2 = Crop.y + Crop.height;
int drawLines = CFG->drawLines + 1;
/* Scale spot image coordinates to pixbuf coordinates */
float scale_x = ((float)pixbufWidth) / data->UF->rotatedWidth;
float scale_y = ((float)pixbufHeight) / data->UF->rotatedHeight;
int SpotY1 = floor(MIN(data->SpotY1, data->SpotY2) * scale_y);
int SpotY2 = ceil(MAX(data->SpotY1, data->SpotY2) * scale_y);
int SpotX1 = floor(MIN(data->SpotX1, data->SpotX2) * scale_x);
int SpotX2 = ceil(MAX(data->SpotX1, data->SpotX2) * scale_x);
int rowstride = gdk_pixbuf_get_rowstride(data->PreviewPixbuf);
guint8 *pixies = gdk_pixbuf_get_pixels(data->PreviewPixbuf) + x * 3;
/* This is bad. `img' should have been a parameter because we
* cannot request an up to date buffer but it must be up to
* date to some extend. In theory we could get the wrong buffer */
ufraw_image_data *displayImage = ufraw_get_image(data->UF, ufraw_display_phase, FALSE);
guint8 *displayPixies = displayImage->buffer + x * displayImage->depth;
ufraw_image_data *workingImage = ufraw_get_image(data->UF,
ufraw_develop_phase, FALSE);
guint8 *workingPixies = workingImage->buffer + x * workingImage->depth;
int xx, yy, c;
for (yy = y; yy < y + height; yy++) {
guint8 *p8 = pixies + yy * rowstride;
memcpy(p8, displayPixies + yy * displayImage->rowstride,
width * displayImage->depth);
if (data->ChannelSelect >= 0) {
guint8 *p = p8;
for (xx = 0; xx < width; xx++, p += 3) {
guint8 px = p[data->ChannelSelect];
p[0] = p[1] = p[2] = px;
}
}
guint8 *p8working = workingPixies + yy * workingImage->rowstride;
for (xx = x; xx < x + width; xx++, p8 += 3, p8working += workingImage->depth) {
if (data->SpotDraw &&
(((yy == SpotY1 - 1 || yy == SpotY2) && xx >= SpotX1 - 1 && xx <= SpotX2)
||
((xx == SpotX1 - 1 || xx == SpotX2) && yy >= SpotY1 - 1 && yy <= SpotY2)
)
) {
if (((xx + yy) & 7) >= 4)
p8[0] = p8[1] = p8[2] = 0;
else
p8[0] = p8[1] = p8[2] = 255;
continue;
}
/* Draw white frame around crop area */
if (((yy == Crop.y - 1 || yy == CropY2) && xx >= Crop.x - 1 && xx <= CropX2) ||
((xx == Crop.x - 1 || xx == CropX2) && yy >= Crop.y - 1 && yy <= CropY2)) {
p8[0] = p8[1] = p8[2] = 255;
continue;
}
/* Shade the cropped out area */
else if (yy < Crop.y || yy >= CropY2 || xx < Crop.x || xx >= CropX2) {
for (c = 0; c < 3; c++) p8[c] = p8[c] / 4;
continue;
}
if (data->RenderMode == render_default) {
/* Shade out the alignment lines */
if (CFG->drawLines &&
yy > Crop.y + 1 && yy < CropY2 - 2 &&
xx > Crop.x + 1 && xx < CropX2 - 2) {
int dx = (xx - Crop.x) * drawLines % Crop.width / drawLines;
int dy = (yy - Crop.y) * drawLines % Crop.height / drawLines;
if (dx == 0 || dy == 0) {
p8[0] /= 2;
p8[1] /= 2;
p8[2] /= 2;
} else if (dx == 1 || dy == 1) {
p8[0] = 255 - (255 - p8[0]) / 2;
p8[1] = 255 - (255 - p8[1]) / 2;
p8[2] = 255 - (255 - p8[2]) / 2;
}
}
/* Blink the overexposed/underexposed spots */
if (blinkOver && (p8working[0] == 255 || p8working[1] == 255 || p8working[2] == 255))
p8[0] = p8[1] = p8[2] = 0;
else if (blinkUnder && (p8working[0] == 0 || p8working[1] == 0 || p8working[2] == 0))
p8[0] = p8[1] = p8[2] = 255;
} else if (data->RenderMode == render_overexposed) {
for (c = 0; c < 3; c++) if (p8working[c] != 255) p8[c] = 0;
} else if (data->RenderMode == render_underexposed) {
for (c = 0; c < 3; c++) if (p8working[c] != 0) p8[c] = 255;
}
}
}
/* Redraw the changed areas */
#ifdef _OPENMP
#pragma omp critical
{
#endif
GtkWidget *widget = data->PreviewWidget;
GtkImageView *view = GTK_IMAGE_VIEW(widget);
GdkRectangle rect;
rect.x = x;
rect.y = y;
rect.width = width;
rect.height = height;
gtk_image_view_damage_pixels(view, &rect);
#ifdef _OPENMP
}
#endif
}
static gboolean preview_draw_crop(preview_data *data)
{
UFRectangle Crop;
ufraw_get_scaled_crop(data->UF, &Crop);
preview_draw_area(data, Crop.x, Crop.y, Crop.width, Crop.height);
return FALSE;
}
static gboolean is_rendering(preview_data *data)
{
return data->RenderSubArea >= 0;
}
static gboolean switch_highlights(gpointer ptr)
{
preview_data *data = ptr;
/* Only redraw the highlights in the default rendering mode. */
if (data->RenderMode != render_default || data->FreezeDialog)
return TRUE;
if (!is_rendering(data)) {
/* Set the area to redraw based on the crop rectangle and view port. */
UFRectangle Crop;
ufraw_get_scaled_crop(data->UF, &Crop);
GdkRectangle viewRect;
gtk_image_view_get_viewport(GTK_IMAGE_VIEW(data->PreviewWidget),
&viewRect);
gdouble zoom = gtk_image_view_get_zoom(GTK_IMAGE_VIEW(data->PreviewWidget));
int x1 = MAX(Crop.x, viewRect.x / zoom);
int width = MIN(Crop.width, viewRect.width);
int y1 = MAX(Crop.y, viewRect.y / zoom);
int height = MIN(Crop.height, viewRect.height);
data->OverUnderTicker++;
preview_draw_area(data, x1, y1, width, height);
}
/* If no blinking is needed, disable this timeout function. */
if (!CFG->blinkOverUnder || (!CFG->overExp && !CFG->underExp)) {
data->BlinkTimer = 0;
return FALSE;
}
return TRUE;
}
static void start_blink(preview_data *data)
{
if (CFG->blinkOverUnder && (CFG->overExp || CFG->underExp)) {
if (!data->BlinkTimer) {
data->BlinkTimer = gdk_threads_add_timeout(500,
switch_highlights, data);
}
}
}
static void stop_blink(preview_data *data)
{
if (data->BlinkTimer) {
data->OverUnderTicker = 0;
switch_highlights(data);
g_source_remove(data->BlinkTimer);
data->BlinkTimer = 0;
}
}
static void window_map_event(GtkWidget *widget, GdkEvent *event,
gpointer user_data)
{
preview_data *data = get_preview_data(widget);
start_blink(data);
(void)event;
(void)user_data;
}
static void window_unmap_event(GtkWidget *widget, GdkEvent *event,
gpointer user_data)
{
preview_data *data = get_preview_data(widget);
stop_blink(data);
(void)event;
(void)user_data;
}
static void render_status_text(preview_data *data)
{
if (data->ProgressBar == NULL)
return;
char progressText[max_name];
int scale = zoom_to_scale(CFG->Zoom);
if (scale == 0)
g_snprintf(progressText, max_name, _("size %dx%d, zoom %2.f%%"),
data->UF->rotatedWidth, data->UF->rotatedHeight, CFG->Zoom);
else
g_snprintf(progressText, max_name, _("size %dx%d, scale 1/%d"),
data->UF->rotatedWidth, data->UF->rotatedHeight, scale);
gtk_progress_bar_set_text(data->ProgressBar, progressText);
gtk_progress_bar_set_fraction(data->ProgressBar, 0);
}
static gboolean render_raw_histogram(preview_data *data);
static gboolean render_preview_image(preview_data *data);
static gboolean render_live_histogram(preview_data *data);
static gboolean render_spot(preview_data *data);
static void draw_spot(preview_data *data, gboolean draw);
static void render_special_mode(GtkWidget *widget, long mode)
{
preview_data *data = get_preview_data(widget);
data->RenderMode = mode;
preview_draw_crop(data);
}
static void render_init(preview_data *data)
{
/* Check if we need a new pixbuf */
int width = gdk_pixbuf_get_width(data->PreviewPixbuf);
int height = gdk_pixbuf_get_height(data->PreviewPixbuf);
ufraw_image_data *image = ufraw_get_image(data->UF,
ufraw_display_phase, FALSE);
if (width != image->width || height != image->height) {
/* Calculate current viewport center */
GdkRectangle vp;
gtk_image_view_get_viewport(GTK_IMAGE_VIEW(data->PreviewWidget), &vp);
double xc = (vp.x + vp.width / 2.0) / width * image->width;
double yc = (vp.y + vp.height / 2.0) / height * image->height;
data->PreviewPixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8,
image->width, image->height);
/* Clear the pixbuffer to avoid displaying garbage */
gdk_pixbuf_fill(data->PreviewPixbuf, 0);
gtk_image_view_set_pixbuf(GTK_IMAGE_VIEW(data->PreviewWidget),
data->PreviewPixbuf, FALSE);
g_object_unref(data->PreviewPixbuf);
/* restore the viewport center */
gtk_image_view_set_offset(GTK_IMAGE_VIEW(data->PreviewWidget),
xc - vp.width / 2, yc - vp.height / 2, FALSE);
}
}
static GtkProgressBar *ProgressBar;
static GTimer *ProgressTimer;
static void preview_progress(int what, int ticks)
{
static int last_what, todo, done;
gboolean update = FALSE;
#ifdef _OPENMP
#pragma omp master
#endif
update = TRUE;
#ifdef _OPENMP
#pragma omp critical(preview_progress)
{
#endif
if (ticks < 0) {
todo = -ticks;
done = 0;
last_what = what;
} else {
if (last_what == what)
done += ticks;
else
update = FALSE;
}
#ifdef _OPENMP
}
#endif
if (!update)
return; // wrong thread for GTK or "what" mismatch
if (g_timer_elapsed(ProgressTimer, NULL) < 0.07 && ticks >= 0)
return; // avoid progress bar rendering hog
g_timer_start(ProgressTimer);
gboolean events = TRUE;
double start = 0.0, stop = 1.0, fraction = 0.0;
char *text = NULL;
switch (what) {
case PROGRESS_WAVELET_DENOISE:
text = _("Wavelet denoising");
break;
case PROGRESS_DESPECKLE:
text = _("Despeckling");
break;
case PROGRESS_INTERPOLATE:
text = _("Interpolating");
break;
case PROGRESS_RENDER:
text = _("Rendering");
stop = 0.0;
events = FALSE; // not needed in render_preview_image()
break;
case PROGRESS_LOAD:
text = _("Loading preview");
break;
case PROGRESS_SAVE:
text = _("Saving image");
}
if (ticks < 0 && text)
gtk_progress_bar_set_text(ProgressBar, text);
if (!events)
return;
fraction = todo ? start + (stop - start) * done / todo : 0;
if (fraction > stop)
fraction = stop;
gtk_progress_bar_set_fraction(ProgressBar, fraction);
while (gtk_events_pending())
gtk_main_iteration();
}
static void preview_progress_enable(preview_data *data)
{
ProgressBar = data->ProgressBar;
ProgressTimer = g_timer_new();
ufraw_progress = preview_progress;
}
static void preview_progress_disable(preview_data *data)
{
ufraw_progress = NULL;
if (ProgressTimer != NULL)
g_timer_destroy(ProgressTimer);
render_status_text(data);
}
void resize_canvas(preview_data *data);
static gboolean render_preview_now(preview_data *data)
{
if (data->FreezeDialog)
return FALSE;
while (g_idle_remove_by_data(data))
;
data->RenderSubArea = 0;
if (data->UF->Images[ufraw_transform_phase].invalidate_event)
resize_canvas(data);
if (CFG->autoExposure == apply_state) {
ufraw_invalidate_layer(data->UF, ufraw_develop_phase);
ufraw_auto_expose(data->UF);
gdouble lower, upper;
g_object_get(data->ExposureAdjustment, "lower", &lower,
"upper", &upper, NULL);
/* Clip the exposure to prevent a "changed" signal */
if (CFG->exposure > upper) CFG->exposure = upper;
if (CFG->exposure < lower) CFG->exposure = lower;
gtk_adjustment_set_value(data->ExposureAdjustment, CFG->exposure);
gtk_widget_set_sensitive(data->ResetExposureButton,
fabs(conf_default.exposure - CFG->exposure) > 0.001);
if (CFG->autoBlack == enabled_state)
CFG->autoBlack = apply_state;
}
if (CFG->autoBlack == apply_state) {
ufraw_invalidate_layer(data->UF, ufraw_develop_phase);
ufraw_auto_black(data->UF);
curveeditor_widget_set_curve(data->CurveWidget,
&CFG->curve[CFG->curveIndex]);
gtk_widget_set_sensitive(data->ResetBlackButton,
CFG->curve[CFG->curveIndex].m_anchors[0].x != 0.0 ||
CFG->curve[CFG->curveIndex].m_anchors[0].y != 0.0);
}
char text[max_name];
g_snprintf(text, max_name, _("Black point: %0.3lf"),
CFG->curve[CFG->curveIndex].m_anchors[0].x);
gtk_label_set_text(GTK_LABEL(data->BlackLabel), text);
if (CFG->profileIndex[display_profile] == 0) {
uf_get_display_profile(data->PreviewWidget, &data->UF->displayProfile,
&data->UF->displayProfileSize);
}
if (CFG->autoCrop == apply_state) {
ufraw_invalidate_layer(data->UF, ufraw_transform_phase);
ufraw_get_image_dimensions(data->UF);
CFG->CropX1 = (data->UF->rotatedWidth - data->UF->autoCropWidth) / 2;
CFG->CropX2 = CFG->CropX1 + data->UF->autoCropWidth;
CFG->CropY1 = (data->UF->rotatedHeight - data->UF->autoCropHeight) / 2;
CFG->CropY2 = CFG->CropY1 + data->UF->autoCropHeight;
update_crop_ranges(data, FALSE);
CFG->autoCrop = enabled_state;