static void
font_size_action_ativated (GSimpleAction *action,
GVariant *parameter,
gpointer userdata)
{
VteTerminal *vtterm = window_get_term_widget (GTK_WINDOW (userdata));
const gint modifier = g_variant_get_int32 (parameter);
const PangoFontDescription *fontd = vte_terminal_get_font (vtterm);
gint old_size = pango_font_description_get_size (fontd);
if (default_font_size == 0)
default_font_size = old_size;
PangoFontDescription *new_fontd;
gint new_size;
switch (modifier) {
case 0:
old_size = default_font_size;
/* fall-through */
case 1:
case -1:
new_size = old_size + modifier * PANGO_SCALE;
new_fontd = pango_font_description_copy_static (fontd);
pango_font_description_set_size (new_fontd, new_size);
vte_terminal_set_font (vtterm, new_fontd);
break;
default:
g_printerr ("%s: invalid modifier '%i'", __func__, modifier);
return;
}
pango_font_description_free (new_fontd);
}
JNIEXPORT jlong JNICALL
Java_org_gnome_pango_PangoFontDescription_pango_1font_1description_1copy_1static
(
JNIEnv* env,
jclass cls,
jlong _self
)
{
PangoFontDescription* result;
jlong _result;
PangoFontDescription* self;
// convert parameter self
self = (PangoFontDescription*) _self;
// call function
result = pango_font_description_copy_static(self);
// cleanup parameter self
// translate return value to JNI type
_result = (jlong) result;
// and finally
return _result;
}
/* clean entries */
gtk_entry_set_text(GTK_ENTRY(lib->gui.plabel), "");
gtk_entry_set_text(GTK_ENTRY(lib->gui.pname), "");
}
}
}
static void _toggle_capture_mode_clicked(GtkWidget *widget, gpointer user_data)
{
dt_lib_camera_t *lib = (dt_lib_camera_t *)user_data;
GtkWidget *w = NULL;
if(widget == GTK_WIDGET(lib->gui.tb1))
w = lib->gui.sb1;
else if(widget == GTK_WIDGET(lib->gui.tb2))
w = lib->gui.sb2;
else if(widget == GTK_WIDGET(lib->gui.tb3))
{
gtk_widget_set_sensitive(lib->gui.sb3, gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)));
gtk_widget_set_sensitive(lib->gui.sb4, gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)));
}
if(w) gtk_widget_set_sensitive(w, gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)));
}
#define BAR_HEIGHT DT_PIXEL_APPLY_DPI(18) /* also change in views/tethering.c */
static void _expose_info_bar(dt_lib_module_t *self, cairo_t *cr, int32_t width, int32_t height,
int32_t pointerx, int32_t pointery)
{
dt_lib_camera_t *lib = (dt_lib_camera_t *)self->data;
// Draw infobar background at top
cairo_set_source_rgb(cr, .0, .0, .0);
cairo_rectangle(cr, 0, 0, width, BAR_HEIGHT);
cairo_fill(cr);
cairo_set_source_rgb(cr, .8, .8, .8);
// Draw left aligned value camera model value
PangoLayout *layout;
PangoRectangle ink;
PangoFontDescription *desc = pango_font_description_copy_static(darktable.bauhaus->pango_font_desc);
pango_font_description_set_weight(desc, PANGO_WEIGHT_BOLD);
layout = pango_cairo_create_layout(cr);
const int fontsize = DT_PIXEL_APPLY_DPI(11.5);
pango_font_description_set_absolute_size(desc, fontsize * PANGO_SCALE);
pango_layout_set_font_description(layout, desc);
char model[4096] = { 0 };
sprintf(model + strlen(model), "%s", lib->data.camera_model);
pango_layout_set_text(layout, model, -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
cairo_move_to(cr, DT_PIXEL_APPLY_DPI(5), DT_PIXEL_APPLY_DPI(1) + BAR_HEIGHT - ink.height / 2 - fontsize);
pango_cairo_show_layout(cr, layout);
// Draw right aligned battery value
const char *battery_value = dt_camctl_camera_get_property(darktable.camctl, NULL, "batterylevel");
char battery[4096] = { 0 };
snprintf(battery, sizeof(battery), "%s: %s", _("battery"), battery_value ? battery_value : _("n/a"));
pango_layout_set_text(layout, battery, -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
cairo_move_to(cr, width - ink.width - DT_PIXEL_APPLY_DPI(5), DT_PIXEL_APPLY_DPI(1) + BAR_HEIGHT - ink.height / 2 - fontsize);
pango_cairo_show_layout(cr, layout);
// Let's cook up the middle part of infobar
gchar center[1024] = { 0 };
for(guint i = 0; i < g_list_length(lib->gui.properties); i++)
{
dt_lib_camera_property_t *prop = (dt_lib_camera_property_t *)g_list_nth_data(lib->gui.properties, i);
if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(prop->osd)) == TRUE)
{
g_strlcat(center, " ", sizeof(center));
g_strlcat(center, prop->name, sizeof(center));
g_strlcat(center, ": ", sizeof(center));
g_strlcat(center, dt_bauhaus_combobox_get_text(prop->values), sizeof(center));
}
}
g_strlcat(center, " ", sizeof(center));
// Now lets put it in center view...
pango_layout_set_text(layout, center, -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
cairo_move_to(cr, (width / 2) - (ink.width / 2), DT_PIXEL_APPLY_DPI(1) + BAR_HEIGHT - ink.height / 2 - fontsize);
pango_cairo_show_layout(cr, layout);
pango_font_description_free(desc);
g_object_unref(layout);
}
static void
gnm_font_button_update_font_info (GnmFontButton *font_button)
{
GnmFontButtonPrivate *priv = font_button->priv;
gchar *family_style;
g_assert (priv->font_desc != NULL);
if (priv->show_style)
{
PangoFontDescription *desc = pango_font_description_copy_static (priv->font_desc);
pango_font_description_unset_fields (desc, PANGO_FONT_MASK_SIZE);
family_style = pango_font_description_to_string (desc);
pango_font_description_free (desc);
}
else
family_style = g_strdup (pango_font_description_get_family (priv->font_desc));
gtk_label_set_text (GTK_LABEL (font_button->priv->font_label), family_style);
g_free (family_style);
if (font_button->priv->show_size)
{
/* mirror Pango, which doesn't translate this either */
gchar *size = g_strdup_printf ("%g%s",
pango_font_description_get_size (priv->font_desc) / (double)PANGO_SCALE,
pango_font_description_get_size_is_absolute (priv->font_desc) ? "px" : "");
gtk_label_set_text (GTK_LABEL (font_button->priv->size_label), size);
g_free (size);
}
gnm_font_button_label_use_font (font_button);
}
void *dt_control_expose(void *voidptr)
{
int width, height, pointerx, pointery;
if(!darktable.gui->surface) return NULL;
width = dt_cairo_image_surface_get_width(darktable.gui->surface);
height = dt_cairo_image_surface_get_height(darktable.gui->surface);
GtkWidget *widget = dt_ui_center(darktable.gui->ui);
GdkDevice *device
= gdk_device_manager_get_client_pointer(gdk_display_get_device_manager(gtk_widget_get_display(widget)));
gdk_window_get_device_position(gtk_widget_get_window(widget), device, &pointerx, &pointery, NULL);
// create a gtk-independent surface to draw on
cairo_surface_t *cst = dt_cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
cairo_t *cr = cairo_create(cst);
// TODO: control_expose: only redraw the part not overlapped by temporary control panel show!
//
float tb = 8; // fmaxf(10, width/100.0);
darktable.control->tabborder = tb;
darktable.control->width = width;
darktable.control->height = height;
GdkRGBA color;
GtkStyleContext *context = gtk_widget_get_style_context(widget);
gboolean color_found = gtk_style_context_lookup_color (context, "bg_color", &color);
if(!color_found)
{
color.red = 1.0;
color.green = 0.0;
color.blue = 0.0;
color.alpha = 1.0;
}
gdk_cairo_set_source_rgba(cr, &color);
cairo_set_line_width(cr, tb);
cairo_rectangle(cr, tb / 2., tb / 2., width - tb, height - tb);
cairo_stroke(cr);
cairo_set_line_width(cr, 1.5);
color_found = gtk_style_context_lookup_color (context, "really_dark_bg_color", &color);
if(!color_found)
{
color.red = 1.0;
color.green = 0.0;
color.blue = 0.0;
color.alpha = 1.0;
}
gdk_cairo_set_source_rgba(cr, &color);
cairo_rectangle(cr, tb, tb, width - 2 * tb, height - 2 * tb);
cairo_stroke(cr);
cairo_save(cr);
cairo_translate(cr, tb, tb);
cairo_rectangle(cr, 0, 0, width - 2 * tb, height - 2 * tb);
cairo_clip(cr);
cairo_new_path(cr);
// draw view
dt_view_manager_expose(darktable.view_manager, cr, width - 2 * tb, height - 2 * tb, pointerx - tb,
pointery - tb);
cairo_restore(cr);
// draw log message, if any
dt_pthread_mutex_lock(&darktable.control->log_mutex);
if(darktable.control->log_ack != darktable.control->log_pos)
{
PangoRectangle ink;
PangoLayout *layout;
PangoFontDescription *desc = pango_font_description_copy_static(darktable.bauhaus->pango_font_desc);
const float fontsize = DT_PIXEL_APPLY_DPI(14);
pango_font_description_set_absolute_size(desc, fontsize * PANGO_SCALE);
pango_font_description_set_weight(desc, PANGO_WEIGHT_BOLD);
layout = pango_cairo_create_layout(cr);
pango_layout_set_font_description(layout, desc);
pango_layout_set_text(layout, darktable.control->log_message[darktable.control->log_ack], -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
const float pad = DT_PIXEL_APPLY_DPI(20.0f), xc = width / 2.0;
const float yc = height * 0.85 + DT_PIXEL_APPLY_DPI(10), wd = pad + ink.width * .5f;
float rad = DT_PIXEL_APPLY_DPI(14);
cairo_set_line_width(cr, 1.);
cairo_move_to(cr, xc - wd, yc + rad);
for(int k = 0; k < 5; k++)
{
cairo_arc(cr, xc - wd, yc, rad, M_PI / 2.0, 3.0 / 2.0 * M_PI);
cairo_line_to(cr, xc + wd, yc - rad);
cairo_arc(cr, xc + wd, yc, rad, 3.0 * M_PI / 2.0, M_PI / 2.0);
cairo_line_to(cr, xc - wd, yc + rad);
if(k == 0)
{
color_found = gtk_style_context_lookup_color (context, "selected_bg_color", &color);
if(!color_found)
{
color.red = 1.0;
color.green = 0.0;
color.blue = 0.0;
color.alpha = 1.0;
}
gdk_cairo_set_source_rgba(cr, &color);
cairo_fill_preserve(cr);
}
cairo_set_source_rgba(cr, 0., 0., 0., 1.0 / (1 + k));
cairo_stroke(cr);
rad += .5f;
}
color_found = gtk_style_context_lookup_color (context, "fg_color", &color);
if(!color_found)
{
color.red = 1.0;
color.green = 0.0;
color.blue = 0.0;
color.alpha = 1.0;
}
gdk_cairo_set_source_rgba(cr, &color);
cairo_move_to(cr, xc - wd + .5f * pad, (yc + 1. / 3. * fontsize) - fontsize);
pango_cairo_show_layout(cr, layout);
pango_font_description_free(desc);
g_object_unref(layout);
}
// draw busy indicator
if(darktable.control->log_busy > 0)
{
PangoRectangle ink;
PangoLayout *layout;
PangoFontDescription *desc = pango_font_description_copy_static(darktable.bauhaus->pango_font_desc);
const float fontsize = DT_PIXEL_APPLY_DPI(14);
pango_font_description_set_absolute_size(desc, fontsize * PANGO_SCALE);
pango_font_description_set_weight(desc, PANGO_WEIGHT_BOLD);
layout = pango_cairo_create_layout(cr);
pango_layout_set_font_description(layout, desc);
pango_layout_set_text(layout, _("working.."), -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
const float xc = width / 2.0, yc = height * 0.85 - DT_PIXEL_APPLY_DPI(30), wd = ink.width * .5f;
cairo_move_to(cr, xc - wd, yc + 1. / 3. * fontsize - fontsize);
pango_cairo_layout_path(cr, layout);
cairo_set_source_rgb(cr, 0.7, 0.7, 0.7);
cairo_fill_preserve(cr);
cairo_set_line_width(cr, 0.7);
cairo_set_source_rgb(cr, 0.3, 0.3, 0.3);
cairo_stroke(cr);
pango_font_description_free(desc);
g_object_unref(layout);
}
dt_pthread_mutex_unlock(&darktable.control->log_mutex);
cairo_destroy(cr);
cairo_t *cr_pixmap = cairo_create(darktable.gui->surface);
cairo_set_source_surface(cr_pixmap, cst, 0, 0);
cairo_paint(cr_pixmap);
cairo_destroy(cr_pixmap);
cairo_surface_destroy(cst);
return NULL;
}
static gboolean _lib_histogram_draw_callback(GtkWidget *widget, cairo_t *crf, gpointer user_data)
{
dt_lib_module_t *self = (dt_lib_module_t *)user_data;
dt_lib_histogram_t *d = (dt_lib_histogram_t *)self->data;
dt_develop_t *dev = darktable.develop;
uint32_t *hist = dev->histogram;
float hist_max = dev->histogram_type == DT_DEV_HISTOGRAM_LINEAR ? dev->histogram_max
: logf(1.0 + dev->histogram_max);
const int inset = DT_HIST_INSET;
GtkAllocation allocation;
gtk_widget_get_allocation(widget, &allocation);
int width = allocation.width, height = allocation.height;
cairo_surface_t *cst = dt_cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
cairo_t *cr = cairo_create(cst);
gtk_render_background(gtk_widget_get_style_context(widget), cr, 0, 0, allocation.width, allocation.height);
cairo_translate(cr, 4 * inset, inset);
width -= 2 * 4 * inset;
height -= 2 * inset;
if(d->mode_x == 0)
{
d->color_w = 0.06 * width;
d->button_spacing = 0.01 * width;
d->button_h = 0.06 * width;
d->button_y = d->button_spacing;
d->mode_w = d->color_w;
d->mode_x = width - 3 * (d->color_w + d->button_spacing) - (d->mode_w + d->button_spacing);
d->red_x = width - 3 * (d->color_w + d->button_spacing);
d->green_x = width - 2 * (d->color_w + d->button_spacing);
d->blue_x = width - (d->color_w + d->button_spacing);
}
// TODO: probably this should move to the configure-event callback! That would be future proof if we ever
// (again) allow to resize the side panels.
const gint stride = cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, width);
// this code assumes that the first expose comes before the first (preview) pipe is processed and that the
// size of the widget doesn't change!
if(dev->histogram_waveform_width == 0)
{
dev->histogram_waveform = (uint32_t *)calloc(height * stride / 4, sizeof(uint32_t));
dev->histogram_waveform_stride = stride;
dev->histogram_waveform_height = height;
dev->histogram_waveform_width = width;
// return TRUE; // there are enough expose events following ...
}
#if 1
// draw shadow around
float alpha = 1.0f;
cairo_set_line_width(cr, 0.2);
for(int k = 0; k < inset; k++)
{
cairo_rectangle(cr, -k, -k, width + 2 * k, height + 2 * k);
cairo_set_source_rgba(cr, 0, 0, 0, alpha);
alpha *= 0.5f;
cairo_fill(cr);
}
cairo_set_line_width(cr, 1.0);
#else
cairo_set_line_width(cr, 1.0);
cairo_set_source_rgb(cr, .1, .1, .1);
cairo_rectangle(cr, 0, 0, width, height);
cairo_stroke(cr);
#endif
cairo_rectangle(cr, 0, 0, width, height);
cairo_clip(cr);
cairo_set_source_rgb(cr, .3, .3, .3);
cairo_rectangle(cr, 0, 0, width, height);
cairo_fill(cr);
if(d->highlight == 1)
{
cairo_set_source_rgb(cr, .5, .5, .5);
cairo_rectangle(cr, 0, 0, .2 * width, height);
cairo_fill(cr);
}
else if(d->highlight == 2)
{
cairo_set_source_rgb(cr, .5, .5, .5);
cairo_rectangle(cr, 0.2 * width, 0, width, height);
cairo_fill(cr);
}
// draw grid
cairo_set_line_width(cr, .4);
cairo_set_source_rgb(cr, .1, .1, .1);
if(dev->histogram_type == DT_DEV_HISTOGRAM_WAVEFORM)
dt_draw_waveform_lines(cr, 0, 0, width, height);
else
dt_draw_grid(cr, 4, 0, 0, width, height);
if(hist_max > 0.0f)
{
cairo_save(cr);
if(dev->histogram_type == DT_DEV_HISTOGRAM_WAVEFORM)
{
// make the color channel selector work:
uint8_t *buf = (uint8_t *)malloc(sizeof(uint8_t) * height * stride);
uint8_t mask[3] = { d->blue, d->green, d->red };
memcpy(buf, dev->histogram_waveform, sizeof(uint8_t) * height * stride);
for(int y = 0; y < height; y++)
for(int x = 0; x < width; x++)
for(int k = 0; k < 3; k++)
{
buf[y * stride + x * 4 + k] *= mask[k];
}
cairo_surface_t *source
= cairo_image_surface_create_for_data(buf, CAIRO_FORMAT_ARGB32, width, height, stride);
cairo_set_source_surface(cr, source, 0.0, 0.0);
cairo_set_operator(cr, CAIRO_OPERATOR_ADD);
cairo_paint(cr);
cairo_surface_destroy(source);
free(buf);
}
else
{
// cairo_set_antialias(cr, CAIRO_ANTIALIAS_NONE);
cairo_translate(cr, 0, height);
cairo_scale(cr, width / 63.0, -(height - 10) / hist_max);
cairo_set_operator(cr, CAIRO_OPERATOR_ADD);
// cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
cairo_set_line_width(cr, 1.);
if(d->red)
{
cairo_set_source_rgba(cr, 1., 0., 0., 0.2);
dt_draw_histogram_8(cr, hist, 0, dev->histogram_type == DT_DEV_HISTOGRAM_LINEAR);
}
if(d->green)
{
cairo_set_source_rgba(cr, 0., 1., 0., 0.2);
dt_draw_histogram_8(cr, hist, 1, dev->histogram_type == DT_DEV_HISTOGRAM_LINEAR);
}
if(d->blue)
{
cairo_set_source_rgba(cr, 0., 0., 1., 0.2);
dt_draw_histogram_8(cr, hist, 2, dev->histogram_type == DT_DEV_HISTOGRAM_LINEAR);
}
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
// cairo_set_antialias(cr, CAIRO_ANTIALIAS_DEFAULT);
}
cairo_restore(cr);
}
cairo_set_source_rgb(cr, .25, .25, .25);
cairo_set_line_join(cr, CAIRO_LINE_JOIN_ROUND);
PangoLayout *layout;
PangoRectangle ink;
PangoFontDescription *desc = pango_font_description_copy_static(darktable.bauhaus->pango_font_desc);
pango_font_description_set_weight(desc, PANGO_WEIGHT_BOLD);
layout = pango_cairo_create_layout(cr);
pango_font_description_set_absolute_size(desc, .1 * height * PANGO_SCALE);
pango_layout_set_font_description(layout, desc);
char exifline[50];
dt_image_print_exif(&dev->image_storage, exifline, 50);
pango_layout_set_text(layout, exifline, -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
cairo_move_to(cr, .02 * width, .98 * height - ink.height - ink.y);
cairo_save(cr);
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(2.0));
cairo_set_source_rgba(cr, 1, 1, 1, 0.3);
pango_cairo_layout_path(cr, layout);
cairo_stroke_preserve(cr);
cairo_set_source_rgb(cr, .25, .25, .25);
cairo_fill(cr);
cairo_restore(cr);
// buttons to control the display of the histogram: linear/log, r, g, b
if(d->highlight != 0)
{
_draw_mode_toggle(cr, d->mode_x, d->button_y, d->mode_w, d->button_h, dev->histogram_type);
cairo_set_source_rgba(cr, 1.0, 0.0, 0.0, 0.4);
_draw_color_toggle(cr, d->red_x, d->button_y, d->color_w, d->button_h, d->red);
cairo_set_source_rgba(cr, 0.0, 1.0, 0.0, 0.4);
_draw_color_toggle(cr, d->green_x, d->button_y, d->color_w, d->button_h, d->green);
cairo_set_source_rgba(cr, 0.0, 0.0, 1.0, 0.4);
_draw_color_toggle(cr, d->blue_x, d->button_y, d->color_w, d->button_h, d->blue);
}
cairo_destroy(cr);
cairo_set_source_surface(crf, cst, 0, 0);
cairo_paint(crf);
cairo_surface_destroy(cst);
pango_font_description_free(desc);
g_object_unref(layout);
return TRUE;
}
static gboolean lowlight_draw(GtkWidget *widget, cairo_t *crf, gpointer user_data)
{
dt_iop_module_t *self = (dt_iop_module_t *)user_data;
dt_iop_lowlight_gui_data_t *c = (dt_iop_lowlight_gui_data_t *)self->gui_data;
dt_iop_lowlight_params_t p = *(dt_iop_lowlight_params_t *)self->params;
dt_draw_curve_set_point(c->transition_curve, 0, p.transition_x[DT_IOP_LOWLIGHT_BANDS - 2] - 1.0,
p.transition_y[0]);
for(int k = 0; k < DT_IOP_LOWLIGHT_BANDS; k++)
dt_draw_curve_set_point(c->transition_curve, k + 1, p.transition_x[k], p.transition_y[k]);
dt_draw_curve_set_point(c->transition_curve, DT_IOP_LOWLIGHT_BANDS + 1, p.transition_x[1] + 1.0,
p.transition_y[DT_IOP_LOWLIGHT_BANDS - 1]);
const int inset = DT_IOP_LOWLIGHT_INSET;
GtkAllocation allocation;
gtk_widget_get_allocation(widget, &allocation);
int width = allocation.width, height = allocation.height;
cairo_surface_t *cst = dt_cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
cairo_t *cr = cairo_create(cst);
cairo_set_source_rgb(cr, .2, .2, .2);
cairo_paint(cr);
cairo_translate(cr, inset, inset);
width -= 2 * inset;
height -= 2 * inset;
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(1.0));
cairo_set_source_rgb(cr, .1, .1, .1);
cairo_rectangle(cr, 0, 0, width, height);
cairo_stroke(cr);
cairo_set_source_rgb(cr, .3, .3, .3);
cairo_rectangle(cr, 0, 0, width, height);
cairo_fill(cr);
// draw grid
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(.4));
cairo_set_source_rgb(cr, .1, .1, .1);
dt_draw_grid(cr, 8, 0, 0, width, height);
if(c->mouse_y > 0 || c->dragging)
{
// draw min/max curves:
dt_iop_lowlight_get_params(&p, c->mouse_x, 1., c->mouse_radius);
dt_draw_curve_set_point(c->transition_curve, 0, p.transition_x[DT_IOP_LOWLIGHT_BANDS - 2] - 1.0,
p.transition_y[0]);
for(int k = 0; k < DT_IOP_LOWLIGHT_BANDS; k++)
dt_draw_curve_set_point(c->transition_curve, k + 1, p.transition_x[k], p.transition_y[k]);
dt_draw_curve_set_point(c->transition_curve, DT_IOP_LOWLIGHT_BANDS + 1, p.transition_x[1] + 1.0,
p.transition_y[DT_IOP_LOWLIGHT_BANDS - 1]);
dt_draw_curve_calc_values(c->transition_curve, 0.0, 1.0, DT_IOP_LOWLIGHT_RES, c->draw_min_xs,
c->draw_min_ys);
p = *(dt_iop_lowlight_params_t *)self->params;
dt_iop_lowlight_get_params(&p, c->mouse_x, .0, c->mouse_radius);
dt_draw_curve_set_point(c->transition_curve, 0, p.transition_x[DT_IOP_LOWLIGHT_BANDS - 2] - 1.0,
p.transition_y[0]);
for(int k = 0; k < DT_IOP_LOWLIGHT_BANDS; k++)
dt_draw_curve_set_point(c->transition_curve, k + 1, p.transition_x[k], p.transition_y[k]);
dt_draw_curve_set_point(c->transition_curve, DT_IOP_LOWLIGHT_BANDS + 1, p.transition_x[1] + 1.0,
p.transition_y[DT_IOP_LOWLIGHT_BANDS - 1]);
dt_draw_curve_calc_values(c->transition_curve, 0.0, 1.0, DT_IOP_LOWLIGHT_RES, c->draw_max_xs,
c->draw_max_ys);
}
cairo_save(cr);
// draw x positions
cairo_set_source_rgb(cr, 0.6, 0.6, 0.6);
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(1.));
const float arrw = DT_PIXEL_APPLY_DPI(7.0f);
for(int k = 0; k < DT_IOP_LOWLIGHT_BANDS; k++)
{
cairo_move_to(cr, width * p.transition_x[k], height + inset - DT_PIXEL_APPLY_DPI(1));
cairo_rel_line_to(cr, -arrw * .5f, 0);
cairo_rel_line_to(cr, arrw * .5f, -arrw);
cairo_rel_line_to(cr, arrw * .5f, arrw);
cairo_close_path(cr);
if(c->x_move == k)
cairo_fill(cr);
else
cairo_stroke(cr);
}
// draw selected cursor
cairo_translate(cr, 0, height);
// cairo_set_operator(cr, CAIRO_OPERATOR_ADD);
// cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(2.));
cairo_set_source_rgba(cr, .7, .7, .7, 1.0);
p = *(dt_iop_lowlight_params_t *)self->params;
dt_draw_curve_set_point(c->transition_curve, 0, p.transition_x[DT_IOP_LOWLIGHT_BANDS - 2] - 1.0,
p.transition_y[0]);
for(int k = 0; k < DT_IOP_LOWLIGHT_BANDS; k++)
dt_draw_curve_set_point(c->transition_curve, k + 1, p.transition_x[k], p.transition_y[k]);
dt_draw_curve_set_point(c->transition_curve, DT_IOP_LOWLIGHT_BANDS + 1, p.transition_x[1] + 1.0,
p.transition_y[DT_IOP_LOWLIGHT_BANDS - 1]);
dt_draw_curve_calc_values(c->transition_curve, 0.0, 1.0, DT_IOP_LOWLIGHT_RES, c->draw_xs, c->draw_ys);
cairo_move_to(cr, 0 * width / (float)(DT_IOP_LOWLIGHT_RES - 1), -height * c->draw_ys[0]);
for(int k = 1; k < DT_IOP_LOWLIGHT_RES; k++)
cairo_line_to(cr, k * width / (float)(DT_IOP_LOWLIGHT_RES - 1), -height * c->draw_ys[k]);
cairo_stroke(cr);
// draw dots on knots
cairo_set_source_rgb(cr, 0.7, 0.7, 0.7);
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(1.));
for(int k = 0; k < DT_IOP_LOWLIGHT_BANDS; k++)
{
cairo_arc(cr, width * p.transition_x[k], -height * p.transition_y[k], DT_PIXEL_APPLY_DPI(3.0), 0.0,
2.0 * M_PI);
if(c->x_move == k)
cairo_fill(cr);
else
cairo_stroke(cr);
}
if(c->mouse_y > 0 || c->dragging)
{
// draw min/max, if selected
cairo_set_source_rgba(cr, .7, .7, .7, .6);
cairo_move_to(cr, 0, -height * c->draw_min_ys[0]);
for(int k = 1; k < DT_IOP_LOWLIGHT_RES; k++)
cairo_line_to(cr, k * width / (float)(DT_IOP_LOWLIGHT_RES - 1), -height * c->draw_min_ys[k]);
for(int k = DT_IOP_LOWLIGHT_RES - 1; k >= 0; k--)
cairo_line_to(cr, k * width / (float)(DT_IOP_LOWLIGHT_RES - 1), -height * c->draw_max_ys[k]);
cairo_close_path(cr);
cairo_fill(cr);
// draw mouse focus circle
cairo_set_source_rgba(cr, .9, .9, .9, .5);
const float pos = DT_IOP_LOWLIGHT_RES * c->mouse_x;
int k = (int)pos;
const float f = k - pos;
if(k >= DT_IOP_LOWLIGHT_RES - 1) k = DT_IOP_LOWLIGHT_RES - 2;
float ht = -height * (f * c->draw_ys[k] + (1 - f) * c->draw_ys[k + 1]);
cairo_arc(cr, c->mouse_x * width, ht, c->mouse_radius * width, 0, 2. * M_PI);
cairo_stroke(cr);
}
cairo_restore(cr);
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
// draw labels:
PangoLayout *layout;
PangoRectangle ink;
PangoFontDescription *desc = pango_font_description_copy_static(darktable.bauhaus->pango_font_desc);
pango_font_description_set_weight(desc, PANGO_WEIGHT_BOLD);
pango_font_description_set_absolute_size(desc,(.06 * height) * PANGO_SCALE);
layout = pango_cairo_create_layout(cr);
pango_layout_set_font_description(layout, desc);
cairo_set_source_rgb(cr, .1, .1, .1);
pango_layout_set_text(layout, _("dark"), -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
cairo_move_to(cr, .02 * width - ink.y, .5 * (height + ink.width));
cairo_save(cr);
cairo_rotate(cr, -M_PI * .5f);
pango_cairo_show_layout(cr, layout);
cairo_restore(cr);
pango_layout_set_text(layout, _("bright"), -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
cairo_move_to(cr, .98 * width - ink.height, .5 * (height + ink.width));
cairo_save(cr);
cairo_rotate(cr, -M_PI * .5f);
pango_cairo_show_layout(cr, layout);
cairo_restore(cr);
pango_layout_set_text(layout, _("day vision"), -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
cairo_move_to(cr, .5 * (width - ink.width), .08 * height - ink.height);
pango_cairo_show_layout(cr, layout);
pango_layout_set_text(layout, _("night vision"), -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
cairo_move_to(cr, .5 * (width - ink.width), .97 * height - ink.height);
pango_cairo_show_layout(cr, layout);
pango_font_description_free(desc);
g_object_unref(layout);
cairo_destroy(cr);
cairo_set_source_surface(crf, cst, 0, 0);
cairo_paint(crf);
cairo_surface_destroy(cst);
return TRUE;
}
static gboolean _lib_navigation_draw_callback(GtkWidget *widget, cairo_t *crf, gpointer user_data)
{
dt_lib_module_t *self = (dt_lib_module_t *)user_data;
dt_lib_navigation_t *d = (dt_lib_navigation_t *)self->data;
const int inset = DT_NAVIGATION_INSET;
GtkAllocation allocation;
gtk_widget_get_allocation(widget, &allocation);
int width = allocation.width, height = allocation.height;
dt_develop_t *dev = darktable.develop;
/* double buffering of image data: only take new data if valid */
if(dev->preview_pipe->backbuf && dev->preview_status == DT_DEV_PIXELPIPE_VALID)
{
/* re-allocate in case of changed image dimensions */
if(d->buffer == NULL || dev->preview_pipe->backbuf_width != d->wd || dev->preview_pipe->backbuf_height != d->ht)
{
g_free(d->buffer);
d->wd = dev->preview_pipe->backbuf_width;
d->ht = dev->preview_pipe->backbuf_height;
d->buffer = g_malloc0((size_t)d->wd * d->ht * 4 * sizeof(unsigned char));
}
/* update buffer if new data is available */
if(d->buffer && dev->preview_pipe->input_timestamp > d->timestamp)
{
dt_pthread_mutex_t *mutex = &dev->preview_pipe->backbuf_mutex;
dt_pthread_mutex_lock(mutex);
memcpy(d->buffer, dev->preview_pipe->backbuf, (size_t)d->wd * d->ht * 4 * sizeof(unsigned char));
d->timestamp = dev->preview_pipe->input_timestamp;
dt_pthread_mutex_unlock(mutex);
}
}
/* get the current style */
cairo_surface_t *cst = dt_cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
cairo_t *cr = cairo_create(cst);
GtkStyleContext *context = gtk_widget_get_style_context(widget);
gtk_render_background(context, cr, 0, 0, allocation.width, allocation.height);
width -= 2 * inset;
height -= 2 * inset;
cairo_translate(cr, inset, inset);
/* draw navigation image if available */
if(d->buffer)
{
cairo_save(cr);
const int wd = d->wd;
const int ht = d->ht;
const float scale = fminf(width / (float)wd, height / (float)ht);
const int stride = cairo_format_stride_for_width(CAIRO_FORMAT_RGB24, wd);
cairo_surface_t *surface
= cairo_image_surface_create_for_data(d->buffer, CAIRO_FORMAT_RGB24, wd, ht, stride);
cairo_translate(cr, width / 2.0, height / 2.0f);
cairo_scale(cr, scale, scale);
cairo_translate(cr, -.5f * wd, -.5f * ht);
// draw shadow around
float alpha = 1.0f;
for(int k = 0; k < 4; k++)
{
cairo_rectangle(cr, -k / scale, -k / scale, wd + 2 * k / scale, ht + 2 * k / scale);
cairo_set_source_rgba(cr, 0, 0, 0, alpha);
alpha *= 0.6f;
cairo_fill(cr);
}
cairo_rectangle(cr, 0, 0, wd - 2, ht - 1);
cairo_set_source_surface(cr, surface, 0, 0);
cairo_pattern_set_filter(cairo_get_source(cr), CAIRO_FILTER_FAST);
cairo_fill(cr);
cairo_surface_destroy(surface);
// draw box where we are
dt_dev_zoom_t zoom = dt_control_get_dev_zoom();
int closeup = dt_control_get_dev_closeup();
float zoom_x = dt_control_get_dev_zoom_x();
float zoom_y = dt_control_get_dev_zoom_y();
const float min_scale = dt_dev_get_zoom_scale(dev, DT_ZOOM_FIT, closeup ? 2.0 : 1.0, 0);
const float cur_scale = dt_dev_get_zoom_scale(dev, zoom, closeup ? 2.0 : 1.0, 0);
// avoid numerical instability for small resolutions:
double h, w;
if(cur_scale > min_scale)
{
float boxw = 1, boxh = 1;
dt_dev_check_zoom_bounds(darktable.develop, &zoom_x, &zoom_y, zoom, closeup, &boxw, &boxh);
cairo_translate(cr, wd * (.5f + zoom_x), ht * (.5f + zoom_y));
cairo_set_source_rgb(cr, 0., 0., 0.);
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(1.f / scale));
boxw *= wd;
boxh *= ht;
cairo_rectangle(cr, -boxw / 2 - 1, -boxh / 2 - 1, boxw + 2, boxh + 2);
cairo_stroke(cr);
cairo_set_source_rgb(cr, 1., 1., 1.);
cairo_rectangle(cr, -boxw / 2, -boxh / 2, boxw, boxh);
cairo_stroke(cr);
}
cairo_restore(cr);
if(fabsf(cur_scale - min_scale) > 0.001f)
{
/* Zoom % */
PangoLayout *layout;
PangoRectangle ink;
PangoFontDescription *desc = pango_font_description_copy_static(darktable.bauhaus->pango_font_desc);
pango_font_description_set_weight(desc, PANGO_WEIGHT_BOLD);
layout = pango_cairo_create_layout(cr);
const float fontsize = DT_PIXEL_APPLY_DPI(11);
pango_font_description_set_absolute_size(desc, fontsize * PANGO_SCALE);
pango_layout_set_font_description(layout, desc);
cairo_translate(cr, 0, height);
cairo_set_source_rgba(cr, 1., 1., 1., 0.5);
cairo_set_line_join(cr, CAIRO_LINE_JOIN_ROUND);
char zoomline[5];
snprintf(zoomline, sizeof(zoomline), "%.0f%%", cur_scale * 100);
pango_layout_set_text(layout, zoomline, -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
h = d->zoom_h = ink.height;
w = d->zoom_w = ink.width;
cairo_move_to(cr, width - w - h * 1.1 - ink.x, - fontsize);
cairo_save(cr);
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(2.0));
GdkRGBA *color;
gtk_style_context_get(context, gtk_widget_get_state_flags(widget), "background-color", &color, NULL);
gdk_cairo_set_source_rgba(cr, color);
pango_cairo_layout_path(cr, layout);
cairo_stroke_preserve(cr);
cairo_set_source_rgb(cr, 0.6, 0.6, 0.6);
cairo_fill(cr);
cairo_restore(cr);
gdk_rgba_free(color);
pango_font_description_free(desc);
g_object_unref(layout);
}
else
{
// draw the zoom-to-fit icon
cairo_translate(cr, 0, height);
cairo_set_source_rgb(cr, 0.6, 0.6, 0.6);
static int height = -1;
if(height == -1)
{
PangoLayout *layout;
PangoRectangle ink;
PangoFontDescription *desc = pango_font_description_copy_static(darktable.bauhaus->pango_font_desc);
pango_font_description_set_weight(desc, PANGO_WEIGHT_BOLD);
layout = pango_cairo_create_layout(cr);
pango_font_description_set_absolute_size(desc, DT_PIXEL_APPLY_DPI(11) * PANGO_SCALE);
pango_layout_set_font_description(layout, desc);
pango_layout_set_text(layout, "100%", -1); // dummy text, just to get the height
pango_layout_get_pixel_extents(layout, &ink, NULL);
height = ink.height;
pango_font_description_free(desc);
g_object_unref(layout);
}
h = d->zoom_h = height;
w = h * 1.5;
float sp = h * 0.6;
d->zoom_w = w + sp;
cairo_move_to(cr, width - w - h - sp, -1.0 * h);
cairo_rectangle(cr, width - w - h - sp, -1.0 * h, w, h);
cairo_set_source_rgb(cr, 0.2, 0.2, 0.2);
cairo_fill(cr);
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(2.0));
cairo_set_source_rgb(cr, 0.6, 0.6, 0.6);
cairo_move_to(cr, width - w * 0.8 - h - sp, -1.0 * h);
cairo_line_to(cr, width - w - h - sp, -1.0 * h);
cairo_line_to(cr, width - w - h - sp, -0.7 * h);
cairo_stroke(cr);
cairo_move_to(cr, width - w - h - sp, -0.3 * h);
cairo_line_to(cr, width - w - h - sp, 0);
cairo_line_to(cr, width - w * 0.8 - h - sp, 0);
cairo_stroke(cr);
cairo_move_to(cr, width - w * 0.2 - h - sp, 0);
cairo_line_to(cr, width - h - sp, 0);
cairo_line_to(cr, width - h - sp, -0.3 * h);
cairo_stroke(cr);
cairo_move_to(cr, width - h - sp, -0.7 * h);
cairo_line_to(cr, width - h - sp, -1.0 * h);
cairo_line_to(cr, width - w * 0.2 - h - sp, -1.0 * h);
cairo_stroke(cr);
}
cairo_move_to(cr, width - 0.95 * h, -0.9 * h);
cairo_line_to(cr, width - 0.05 * h, -0.9 * h);
cairo_line_to(cr, width - 0.5 * h, -0.1 * h);
cairo_fill(cr);
}
/* blit memsurface into widget */
cairo_destroy(cr);
cairo_set_source_surface(crf, cst, 0, 0);
cairo_paint(crf);
cairo_surface_destroy(cst);
return TRUE;
}
