[gimp] app: implement blend tool gui for gradient stops
- From: N/A <ell src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gimp] app: implement blend tool gui for gradient stops
- Date: Mon, 9 Oct 2017 16:54:18 +0000 (UTC)
commit 1aa4877426ff83b1e1380c32142d62fd61583e7f
Author: Ell <ell_se yahoo com>
Date: Thu Aug 3 09:15:43 2017 -0400
app: implement blend tool gui for gradient stops
Allows setting the stop's position, and its left and right colors
and color types. A chain button can be used to modify the two
colors (and color types) together.
The stop can be deleted through an editor button.
app/tools/gimpblendtool-editor.c | 326 ++++++++++++++++++++++++++++++++++++--
app/tools/gimpblendtool.h | 7 +
2 files changed, 316 insertions(+), 17 deletions(-)
---
diff --git a/app/tools/gimpblendtool-editor.c b/app/tools/gimpblendtool-editor.c
index 0d7849d..647ed1f 100644
--- a/app/tools/gimpblendtool-editor.c
+++ b/app/tools/gimpblendtool-editor.c
@@ -88,14 +88,20 @@ static void gimp_blend_tool_editor_gui_response
gint
response_id,
GimpBlendTool
*blend_tool);
-static void gimp_blend_tool_editor_color_entry_color_changed (GimpColorButton
*button,
- GimpBlendTool
*blend_tool);
+static void gimp_blend_tool_editor_color_entry_color_changed (GimpColorButton
*button,
+ GimpBlendTool
*blend_tool);
+
+static void gimp_blend_tool_editor_color_entry_type_changed (GtkComboBox
*combo,
+ GimpBlendTool
*blend_tool);
-static void gimp_blend_tool_editor_color_entry_type_changed (GtkComboBox
*combo,
- GimpBlendTool
*blend_tool);
+static void gimp_blend_tool_editor_endpoint_se_value_changed (GimpSizeEntry *se,
+ GimpBlendTool
*blend_tool);
+
+static void gimp_blend_tool_editor_stop_se_value_changed (GimpSizeEntry *se,
+ GimpBlendTool
*blend_tool);
-static void gimp_blend_tool_editor_endpoint_se_value_changed (GimpSizeEntry *se,
- GimpBlendTool
*blend_tool);
+static void gimp_blend_tool_editor_stop_delete_clicked (GtkWidget
*button,
+ GimpBlendTool
*blend_tool);
static gboolean gimp_blend_tool_editor_is_gradient_editable (GimpBlendTool
*blend_tool);
@@ -117,6 +123,8 @@ static void gimp_blend_tool_editor_thaw_gradient
static gint gimp_blend_tool_editor_add_stop (GimpBlendTool
*blend_tool,
gdouble
value);
+static void gimp_blend_tool_editor_delete_stop (GimpBlendTool
*blend_tool,
+ gint
slider);
static void gimp_blend_tool_editor_update_sliders (GimpBlendTool
*blend_tool);
@@ -127,8 +135,11 @@ static GtkWidget * gimp_blend_tool_editor_color_entry_new
GtkWidget
**color_panel,
GtkWidget
**type_combo);
static void gimp_blend_tool_editor_init_endpoint_gui (GimpBlendTool
*blend_tool);
+static void gimp_blend_tool_editor_init_stop_gui (GimpBlendTool
*blend_tool);
static void gimp_blend_tool_editor_update_endpoint_gui (GimpBlendTool
*blend_tool,
gint
selection);
+static void gimp_blend_tool_editor_update_stop_gui (GimpBlendTool
*blend_tool,
+ gint
selection);
static void gimp_blend_tool_editor_update_gui (GimpBlendTool
*blend_tool);
@@ -205,17 +216,7 @@ gimp_blend_tool_editor_line_remove_slider (GimpToolLine *line,
gint slider,
GimpBlendTool *blend_tool)
{
- GimpGradientSegment *seg;
-
- gimp_blend_tool_editor_freeze_gradient (blend_tool);
-
- seg = gimp_blend_tool_editor_handle_get_segment (blend_tool, slider);
-
- gimp_gradient_segment_range_merge (blend_tool->gradient,
- seg, seg->next, NULL, NULL);
-
- gimp_blend_tool_editor_thaw_gradient (blend_tool);
-
+ gimp_blend_tool_editor_delete_stop (blend_tool, slider);
gimp_blend_tool_set_tentative_gradient (blend_tool, NULL);
}
@@ -223,12 +224,42 @@ static void
gimp_blend_tool_editor_line_selection_changed (GimpToolLine *line,
GimpBlendTool *blend_tool)
{
+ gint selection;
+
+ selection =
+ gimp_tool_line_get_selection (GIMP_TOOL_LINE (blend_tool->widget));
+
if (blend_tool->gui)
{
/* hide all color dialogs */
gimp_color_panel_dialog_response (
GIMP_COLOR_PANEL (blend_tool->endpoint_color_panel),
GIMP_COLOR_DIALOG_OK);
+ gimp_color_panel_dialog_response (
+ GIMP_COLOR_PANEL (blend_tool->stop_left_color_panel),
+ GIMP_COLOR_DIALOG_OK);
+ gimp_color_panel_dialog_response (
+ GIMP_COLOR_PANEL (blend_tool->stop_right_color_panel),
+ GIMP_COLOR_DIALOG_OK);
+
+ /* reset the stop colors chain button */
+ if (gimp_blend_tool_editor_handle_is_stop (blend_tool, selection))
+ {
+ const GimpGradientSegment *seg;
+ gboolean homogeneous;
+
+ seg = gimp_blend_tool_editor_handle_get_segment (blend_tool,
+ selection);
+
+ homogeneous = seg->right_color.r == seg->next->left_color.r &&
+ seg->right_color.g == seg->next->left_color.g &&
+ seg->right_color.b == seg->next->left_color.b &&
+ seg->right_color.a == seg->next->left_color.a &&
+ seg->right_color_type == seg->next->left_color_type;
+
+ gimp_chain_button_set_active (
+ GIMP_CHAIN_BUTTON (blend_tool->stop_chain_button), homogeneous);
+ }
}
gimp_blend_tool_editor_update_gui (blend_tool);
@@ -478,6 +509,51 @@ gimp_blend_tool_editor_endpoint_se_value_changed (GimpSizeEntry *se,
gimp_blend_tool_editor_unblock_handlers (blend_tool);
}
+static void
+gimp_blend_tool_editor_stop_se_value_changed (GimpSizeEntry *se,
+ GimpBlendTool *blend_tool)
+{
+ gint selection;
+ gdouble value;
+ GimpGradientSegment *seg;
+
+ if (gimp_blend_tool_editor_are_handlers_blocked (blend_tool))
+ return;
+
+ selection =
+ gimp_tool_line_get_selection (GIMP_TOOL_LINE (blend_tool->widget));
+
+ if (selection == GIMP_TOOL_LINE_HANDLE_NONE)
+ return;
+
+ value = gimp_size_entry_get_refval (se, 0) / 100.0;
+
+ gimp_blend_tool_editor_freeze_gradient (blend_tool);
+
+ seg = gimp_blend_tool_editor_handle_get_segment (blend_tool, selection);
+
+ gimp_gradient_segment_range_compress (blend_tool->gradient,
+ seg, seg,
+ seg->left, value);
+ gimp_gradient_segment_range_compress (blend_tool->gradient,
+ seg->next, seg->next,
+ value, seg->next->right);
+
+ gimp_blend_tool_editor_thaw_gradient (blend_tool);
+}
+
+static void
+gimp_blend_tool_editor_stop_delete_clicked (GtkWidget *button,
+ GimpBlendTool *blend_tool)
+{
+ gint selection;
+
+ selection =
+ gimp_tool_line_get_selection (GIMP_TOOL_LINE (blend_tool->widget));
+
+ gimp_blend_tool_editor_delete_stop (blend_tool, selection);
+}
+
static gboolean
gimp_blend_tool_editor_is_gradient_editable (GimpBlendTool *blend_tool)
{
@@ -635,6 +711,22 @@ gimp_blend_tool_editor_add_stop (GimpBlendTool *blend_tool,
}
static void
+gimp_blend_tool_editor_delete_stop (GimpBlendTool *blend_tool,
+ gint slider)
+{
+ GimpGradientSegment *seg;
+
+ gimp_blend_tool_editor_freeze_gradient (blend_tool);
+
+ seg = gimp_blend_tool_editor_handle_get_segment (blend_tool, slider);
+
+ gimp_gradient_segment_range_merge (blend_tool->gradient,
+ seg, seg->next, NULL, NULL);
+
+ gimp_blend_tool_editor_thaw_gradient (blend_tool);
+}
+
+static void
gimp_blend_tool_editor_update_sliders (GimpBlendTool *blend_tool)
{
GimpBlendOptions *options = GIMP_BLEND_TOOL_GET_OPTIONS (blend_tool);
@@ -908,6 +1000,128 @@ gimp_blend_tool_editor_init_endpoint_gui (GimpBlendTool *blend_tool)
}
static void
+gimp_blend_tool_editor_init_stop_gui (GimpBlendTool *blend_tool)
+{
+ GtkWidget *editor;
+ GtkWidget *table;
+ GtkWidget *label;
+ GtkWidget *se;
+ GtkWidget *table2;
+ GtkWidget *button;
+ GtkWidget *hbox;
+ GtkWidget *separator;
+ gint row = 0;
+
+ /* the stop editor */
+ blend_tool->stop_editor =
+ editor = gimp_editor_new ();
+ gtk_box_pack_start (GTK_BOX (gimp_tool_gui_get_vbox (blend_tool->gui)),
+ editor, FALSE, TRUE, 0);
+
+ /* the main table */
+ table = gtk_table_new (1, 2, FALSE);
+ gtk_table_set_row_spacings (GTK_TABLE (table), 4);
+ gtk_table_set_col_spacings (GTK_TABLE (table), 4);
+ gtk_box_pack_start (GTK_BOX (editor), table, FALSE, TRUE, 0);
+ gtk_widget_show (table);
+
+ /* the position label */
+ label = gtk_label_new (_("Position:"));
+ gtk_label_set_xalign (GTK_LABEL (label), 0.0);
+ gtk_table_attach (GTK_TABLE (table), label, 0, 1, row, row + 1,
+ GTK_SHRINK | GTK_FILL, GTK_SHRINK, 0, 0);
+ gtk_widget_show (label);
+
+ /* the position size entry */
+ blend_tool->stop_se =
+ se = gimp_size_entry_new (1, GIMP_UNIT_PERCENT, "%a",
+ FALSE, TRUE, FALSE, 6,
+ GIMP_SIZE_ENTRY_UPDATE_SIZE);
+ gimp_size_entry_show_unit_menu (GIMP_SIZE_ENTRY (se), FALSE);
+ gtk_table_attach (GTK_TABLE (table), se, 1, 2, row, row + 1,
+ GTK_SHRINK | GTK_FILL | GTK_EXPAND,
+ GTK_SHRINK | GTK_FILL,
+ 0, 0);
+ gtk_widget_show (se);
+
+ g_signal_connect (se, "value-changed",
+ G_CALLBACK (gimp_blend_tool_editor_stop_se_value_changed),
+ blend_tool);
+
+ row++;
+
+ /* the color labels */
+ label = gtk_label_new (_("Left color:"));
+ gtk_label_set_xalign (GTK_LABEL (label), 0.0);
+ gtk_table_attach (GTK_TABLE (table), label, 0, 1, row, row + 1,
+ GTK_SHRINK | GTK_FILL, GTK_SHRINK, 0, 0);
+ gtk_widget_show (label);
+
+ label = gtk_label_new (_("Right color:"));
+ gtk_label_set_xalign (GTK_LABEL (label), 0.0);
+ gtk_table_attach (GTK_TABLE (table), label, 0, 1, row + 1, row + 2,
+ GTK_SHRINK | GTK_FILL, GTK_SHRINK, 0, 0);
+ gtk_widget_show (label);
+
+ /* the color entries table */
+ table2 = gtk_table_new (1, 2, FALSE);
+ gtk_table_set_row_spacings (GTK_TABLE (table2), 4);
+ gtk_table_set_col_spacings (GTK_TABLE (table2), 2);
+ gtk_table_attach (GTK_TABLE (table), table2, 1, 2, row, row + 2,
+ GTK_SHRINK | GTK_FILL | GTK_EXPAND,
+ GTK_SHRINK | GTK_FILL,
+ 0, 0);
+ gtk_widget_show (table2);
+
+ /* the color entries chain button */
+ blend_tool->stop_chain_button =
+ button = gimp_chain_button_new (GIMP_CHAIN_RIGHT);
+ gtk_table_attach (GTK_TABLE (table2), button, 1, 2, 0, 2,
+ GTK_SHRINK | GTK_FILL,
+ GTK_SHRINK | GTK_FILL | GTK_EXPAND,
+ 0, 0);
+ gtk_widget_show (button);
+
+ /* the color entries */
+ hbox = gimp_blend_tool_editor_color_entry_new (
+ blend_tool, _("Change Stop Color"), DIRECTION_LEFT, button,
+ &blend_tool->stop_left_color_panel, &blend_tool->stop_left_type_combo);
+ gtk_table_attach (GTK_TABLE (table2), hbox, 0, 1, 0, 1,
+ GTK_SHRINK | GTK_FILL | GTK_EXPAND,
+ GTK_SHRINK | GTK_FILL,
+ 0, 0);
+ gtk_widget_show (hbox);
+
+ hbox = gimp_blend_tool_editor_color_entry_new (
+ blend_tool, _("Change Stop Color"), DIRECTION_RIGHT, button,
+ &blend_tool->stop_right_color_panel, &blend_tool->stop_right_type_combo);
+ gtk_table_attach (GTK_TABLE (table2), hbox, 0, 1, 1, 2,
+ GTK_SHRINK | GTK_FILL | GTK_EXPAND,
+ GTK_SHRINK | GTK_FILL,
+ 0, 0);
+ gtk_widget_show (hbox);
+
+ row += 2;
+
+ /* the action buttons separator */
+ separator = gtk_hseparator_new ();
+ gtk_table_attach (GTK_TABLE (table), separator, 0, 2, row, row + 1,
+ GTK_SHRINK | GTK_FILL | GTK_EXPAND,
+ GTK_SHRINK | GTK_FILL,
+ 0, 0);
+ gtk_widget_show (separator);
+
+ row++;
+
+ /* the delete button */
+ gimp_editor_add_button (GIMP_EDITOR (editor),
+ GIMP_ICON_EDIT_DELETE, _("Delete stop"),
+ NULL,
+ G_CALLBACK (gimp_blend_tool_editor_stop_delete_clicked),
+ NULL, blend_tool);
+}
+
+static void
gimp_blend_tool_editor_update_endpoint_gui (GimpBlendTool *blend_tool,
gint selection)
{
@@ -1000,6 +1214,78 @@ gimp_blend_tool_editor_update_endpoint_gui (GimpBlendTool *blend_tool,
}
static void
+gimp_blend_tool_editor_update_stop_gui (GimpBlendTool *blend_tool,
+ gint selection)
+{
+ GimpBlendOptions *options = GIMP_BLEND_TOOL_GET_OPTIONS (blend_tool);
+ GimpContext *context = GIMP_CONTEXT (options);
+ gboolean editable;
+ GimpGradientSegment *seg;
+ gint index;
+ gchar *title;
+ gdouble min;
+ gdouble max;
+ gdouble value;
+ GimpRGB left_color;
+ GimpGradientColor left_color_type;
+ GimpRGB right_color;
+ GimpGradientColor right_color_type;
+
+ editable = gimp_blend_tool_editor_is_gradient_editable (blend_tool);
+
+ seg = gimp_blend_tool_editor_handle_get_segment (blend_tool, selection);
+
+ index = GPOINTER_TO_INT (
+ gimp_tool_line_get_sliders (GIMP_TOOL_LINE (blend_tool->widget),
+ NULL)[selection].data);
+
+ title = g_strdup_printf (_("Stop %d"), index + 1);
+
+ min = seg->left;
+ max = seg->next->right;
+ value = seg->right;
+
+ gimp_gradient_segment_get_right_flat_color (blend_tool->gradient, context,
+ seg, &left_color);
+ left_color_type = seg->right_color_type;
+
+ gimp_gradient_segment_get_left_flat_color (blend_tool->gradient, context,
+ seg->next, &right_color);
+ right_color_type = seg->next->left_color_type;
+
+ gimp_tool_gui_set_title (blend_tool->gui, title);
+
+ gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (blend_tool->stop_se),
+ 0, 100.0 * min, 100.0 * max);
+ gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (blend_tool->stop_se),
+ 0, 100.0 * value);
+
+ gimp_color_button_set_color (
+ GIMP_COLOR_BUTTON (blend_tool->stop_left_color_panel), &left_color);
+ gimp_int_combo_box_set_active (
+ GIMP_INT_COMBO_BOX (blend_tool->stop_left_type_combo), left_color_type);
+
+ gimp_color_button_set_color (
+ GIMP_COLOR_BUTTON (blend_tool->stop_right_color_panel), &right_color);
+ gimp_int_combo_box_set_active (
+ GIMP_INT_COMBO_BOX (blend_tool->stop_right_type_combo), right_color_type);
+
+ gtk_widget_set_sensitive (blend_tool->stop_se, editable);
+ gtk_widget_set_sensitive (blend_tool->stop_left_color_panel, editable);
+ gtk_widget_set_sensitive (blend_tool->stop_left_type_combo, editable);
+ gtk_widget_set_sensitive (blend_tool->stop_right_color_panel, editable);
+ gtk_widget_set_sensitive (blend_tool->stop_right_type_combo, editable);
+ gtk_widget_set_sensitive (blend_tool->stop_chain_button, editable);
+ gtk_widget_set_sensitive (
+ GTK_WIDGET (gimp_editor_get_button_box (GIMP_EDITOR (blend_tool->stop_editor))),
+ editable);
+
+ g_free (title);
+
+ gtk_widget_show (blend_tool->stop_editor);
+}
+
+static void
gimp_blend_tool_editor_update_gui (GimpBlendTool *blend_tool)
{
GimpBlendOptions *options = GIMP_BLEND_TOOL_GET_OPTIONS (blend_tool);
@@ -1040,6 +1326,7 @@ gimp_blend_tool_editor_update_gui (GimpBlendTool *blend_tool)
blend_tool);
gimp_blend_tool_editor_init_endpoint_gui (blend_tool);
+ gimp_blend_tool_editor_init_stop_gui (blend_tool);
}
gimp_blend_tool_editor_block_handlers (blend_tool);
@@ -1049,6 +1336,11 @@ gimp_blend_tool_editor_update_gui (GimpBlendTool *blend_tool)
else
gtk_widget_hide (blend_tool->endpoint_editor);
+ if (gimp_blend_tool_editor_handle_is_stop (blend_tool, selection))
+ gimp_blend_tool_editor_update_stop_gui (blend_tool, selection);
+ else
+ gtk_widget_hide (blend_tool->stop_editor);
+
gimp_blend_tool_editor_unblock_handlers (blend_tool);
gimp_tool_gui_show (blend_tool->gui);
diff --git a/app/tools/gimpblendtool.h b/app/tools/gimpblendtool.h
index ff16cbe..1665dc3 100644
--- a/app/tools/gimpblendtool.h
+++ b/app/tools/gimpblendtool.h
@@ -72,6 +72,13 @@ struct _GimpBlendTool
GtkWidget *endpoint_se;
GtkWidget *endpoint_color_panel;
GtkWidget *endpoint_type_combo;
+ GtkWidget *stop_editor;
+ GtkWidget *stop_se;
+ GtkWidget *stop_left_color_panel;
+ GtkWidget *stop_left_type_combo;
+ GtkWidget *stop_right_color_panel;
+ GtkWidget *stop_right_type_combo;
+ GtkWidget *stop_chain_button;
};
struct _GimpBlendToolClass
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