mirror of https://github.com/GNOME/gimp.git
added event handling and completely edit the curve here.
2007-11-05 Michael Natterer <mitch@gimp.org> * app/widgets/gimpcurveview.[ch]: added event handling and completely edit the curve here. * app/tools/gimpcurvestool.[ch]: remove all event handling and curve editing code and only listen to curve signals. svn path=/trunk/; revision=24060
This commit is contained in:
parent
a07756d894
commit
2d827be2f3
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@ -1,3 +1,11 @@
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2007-11-05 Michael Natterer <mitch@gimp.org>
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* app/widgets/gimpcurveview.[ch]: added event handling and
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completely edit the curve here.
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* app/tools/gimpcurvestool.[ch]: remove all event handling and
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curve editing code and only listen to curve signals.
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2007-11-04 Martin Nordholts <martinn@svn.gnome.org>
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Do not do shell darkening while GimpRectangleTool rectangles are
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@ -23,7 +23,6 @@
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#include <string.h>
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#include <gtk/gtk.h>
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#include <gdk/gdkkeysyms.h>
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#include "libgimpmath/gimpmath.h"
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#include "libgimpcolor/gimpcolor.h"
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@ -32,8 +31,6 @@
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#include "tools-types.h"
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#include "config/gimpguiconfig.h"
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#include "base/curves.h"
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#include "base/gimphistogram.h"
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#include "base/gimplut.h"
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@ -44,10 +41,8 @@
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#include "core/gimpdrawable-histogram.h"
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#include "core/gimpimage.h"
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#include "core/gimpimagemap.h"
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#include "core/gimptoolinfo.h"
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#include "widgets/gimpcolorbar.h"
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#include "widgets/gimpcursor.h"
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#include "widgets/gimphelp-ids.h"
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#include "widgets/gimpcurveview.h"
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@ -55,7 +50,6 @@
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#include "gimpcurvestool.h"
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#include "gimphistogramoptions.h"
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#include "gimptoolcontrol.h"
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#include "gimp-intl.h"
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@ -101,9 +95,6 @@ static gboolean gimp_curves_tool_settings_load (GimpImageMapTool *image_map
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static gboolean gimp_curves_tool_settings_save (GimpImageMapTool *image_map_tool,
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gpointer fp);
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static gboolean curves_key_press (GimpCurvesTool *tool,
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GdkEventKey *kevent);
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static void curves_curve_callback (GimpCurve *curve,
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const GParamSpec *pspec,
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GimpCurvesTool *tool);
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@ -117,9 +108,6 @@ static gboolean curves_menu_sensitivity (gint value,
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static void curves_curve_type_callback (GtkWidget *widget,
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GimpCurvesTool *tool);
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static gboolean curves_graph_events (GtkWidget *widget,
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GdkEvent *event,
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GimpCurvesTool *tool);
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G_DEFINE_TYPE (GimpCurvesTool, gimp_curves_tool, GIMP_TYPE_IMAGE_MAP_TOOL)
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@ -250,10 +238,6 @@ gimp_curves_tool_initialize (GimpTool *tool,
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c_tool->color = gimp_drawable_is_rgb (drawable);
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c_tool->alpha = gimp_drawable_has_alpha (drawable);
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c_tool->selected = 0;
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c_tool->grabbed = FALSE;
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c_tool->last = 0;
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GIMP_TOOL_CLASS (parent_class)->initialize (tool, display, error);
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/* always pick colors */
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@ -292,16 +276,17 @@ gimp_curves_tool_button_release (GimpTool *tool,
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if (state & GDK_SHIFT_MASK)
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{
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GimpCurve *curve = c_tool->curve[c_tool->channel];
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gint closest;
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c_tool->selected =
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closest =
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gimp_curve_get_closest_point (curve,
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c_tool->col_value[c_tool->channel]);
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gimp_curve_view_set_selected (GIMP_CURVE_VIEW (c_tool->graph),
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c_tool->selected);
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closest);
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gimp_curve_set_point (curve,
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c_tool->selected,
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closest,
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c_tool->col_value[c_tool->channel],
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curve->curve[c_tool->col_value[c_tool->channel]]);
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}
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@ -312,16 +297,17 @@ gimp_curves_tool_button_release (GimpTool *tool,
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for (i = 0; i < 5; i++)
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{
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GimpCurve *curve = c_tool->curve[i];
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gint closest;
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c_tool->selected =
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closest =
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gimp_curve_get_closest_point (curve,
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c_tool->col_value[i]);
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gimp_curve_view_set_selected (GIMP_CURVE_VIEW (c_tool->graph),
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c_tool->selected);
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closest);
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gimp_curve_set_point (curve,
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c_tool->selected,
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closest,
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c_tool->col_value[i],
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curve->curve[c_tool->col_value[i]]);
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}
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@ -337,7 +323,9 @@ gimp_curves_tool_key_press (GimpTool *tool,
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GdkEventKey *kevent,
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GimpDisplay *display)
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{
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return curves_key_press (GIMP_CURVES_TOOL (tool), kevent);
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GimpCurvesTool *c_tool = GIMP_CURVES_TOOL (tool);
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return gtk_widget_event (c_tool->graph, (GdkEvent *) kevent);
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}
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static void
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@ -409,80 +397,6 @@ gimp_curves_tool_color_picked (GimpColorTool *color_tool,
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tool->col_value[channel]);
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}
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static gboolean
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curves_key_press (GimpCurvesTool *tool,
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GdkEventKey *kevent)
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{
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GimpCurve *curve = tool->curve[tool->channel];
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gint i = tool->selected;
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gint y = curve->points[i][1];
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if (tool->grabbed || curve->curve_type == GIMP_CURVE_FREE)
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return FALSE;
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switch (kevent->keyval)
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{
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case GDK_Left:
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for (i = i - 1; i >= 0; i--)
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{
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if (curve->points[i][0] != -1)
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{
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tool->selected = i;
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gimp_curve_view_set_selected (GIMP_CURVE_VIEW (tool->graph), i);
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return TRUE;
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}
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}
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break;
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case GDK_Right:
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for (i = i + 1; i < GIMP_CURVE_NUM_POINTS; i++)
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{
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if (curve->points[i][0] != -1)
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{
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tool->selected = i;
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gimp_curve_view_set_selected (GIMP_CURVE_VIEW (tool->graph), i);
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return TRUE;
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}
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}
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break;
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case GDK_Up:
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if (y < 255)
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{
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y = y + (kevent->state & GDK_SHIFT_MASK ? 16 : 1);
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gimp_curve_move_point (curve, i, CLAMP0255 (y));
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gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (tool));
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return TRUE;
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}
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break;
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case GDK_Down:
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if (y > 0)
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{
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y = y - (kevent->state & GDK_SHIFT_MASK ? 16 : 1);
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gimp_curve_move_point (curve, i, CLAMP0255 (y));
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gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (tool));
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return TRUE;
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}
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break;
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default:
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break;
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}
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return FALSE;
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}
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static void
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gimp_curves_tool_map (GimpImageMapTool *image_map_tool)
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{
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@ -610,10 +524,6 @@ gimp_curves_tool_dialog (GimpImageMapTool *image_map_tool)
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gtk_container_add (GTK_CONTAINER (frame), tool->graph);
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gtk_widget_show (tool->graph);
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g_signal_connect (tool->graph, "event",
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G_CALLBACK (curves_graph_events),
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tool);
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gimp_histogram_options_connect_view (GIMP_HISTOGRAM_OPTIONS (tool_options),
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GIMP_HISTOGRAM_VIEW (tool->graph));
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@ -693,8 +603,6 @@ gimp_curves_tool_reset (GimpImageMapTool *image_map_tool)
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GimpCurvesTool *tool = GIMP_CURVES_TOOL (image_map_tool);
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GimpHistogramChannel channel;
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tool->grabbed = FALSE;
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for (channel = GIMP_HISTOGRAM_VALUE;
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channel <= GIMP_HISTOGRAM_ALPHA;
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channel++)
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@ -806,7 +714,10 @@ curves_curve_callback (GimpCurve *curve,
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const GParamSpec *pspec,
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GimpCurvesTool *tool)
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{
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if (curve == tool->curve[tool->channel] && tool->xrange)
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if (curve != tool->curve[tool->channel])
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return;
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if (tool->xrange)
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{
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GimpHistogramChannel channel;
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@ -837,6 +748,9 @@ curves_curve_callback (GimpCurve *curve,
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break;
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}
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}
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if (GIMP_IMAGE_MAP_TOOL (tool)->drawable)
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gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (tool));
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}
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static void
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@ -873,11 +787,7 @@ static void
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curves_channel_reset_callback (GtkWidget *widget,
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GimpCurvesTool *tool)
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{
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tool->grabbed = FALSE;
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gimp_curve_reset (tool->curve[tool->channel], FALSE);
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gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (tool));
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}
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static gboolean
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@ -918,235 +828,5 @@ curves_curve_type_callback (GtkWidget *widget,
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if (tool->curve[tool->channel]->curve_type != curve_type)
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{
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gimp_curve_set_curve_type (tool->curve[tool->channel], curve_type);
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gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (tool));
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}
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}
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static void
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curves_set_cursor (GimpCurvesTool *tool,
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GimpCursorType new_cursor)
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{
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static GimpCursorType cursor_type = GDK_TOP_LEFT_ARROW;
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if (new_cursor != cursor_type)
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{
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Gimp *gimp = GIMP_TOOL (tool)->tool_info->gimp;
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cursor_type = new_cursor;
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gimp_cursor_set (tool->graph,
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GIMP_GUI_CONFIG (gimp->config)->cursor_format,
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cursor_type,
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GIMP_TOOL_CURSOR_NONE,
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GIMP_CURSOR_MODIFIER_NONE);
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}
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}
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static gboolean
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curves_graph_events (GtkWidget *widget,
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GdkEvent *event,
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GimpCurvesTool *tool)
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{
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GimpCurve *curve = tool->curve[tool->channel];
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GimpCursorType new_cursor = GDK_X_CURSOR;
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gint i;
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gint tx, ty;
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gint x, y;
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gint width, height;
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gint closest_point;
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gint x1, x2, y1, y2;
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width = widget->allocation.width - 2 * RADIUS;
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height = widget->allocation.height - 2 * RADIUS;
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/* get the pointer position */
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gdk_window_get_pointer (tool->graph->window, &tx, &ty, NULL);
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x = ROUND (((gdouble) (tx - RADIUS) / (gdouble) width) * 255.0);
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y = ROUND (((gdouble) (ty - RADIUS) / (gdouble) height) * 255.0);
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x = CLAMP0255 (x);
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y = CLAMP0255 (y);
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closest_point = gimp_curve_get_closest_point (curve, x);
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switch (event->type)
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{
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case GDK_BUTTON_PRESS:
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{
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GdkEventButton *bevent = (GdkEventButton *) event;
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if (bevent->button != 1)
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return TRUE;
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tool->grabbed = TRUE;
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curves_set_cursor (tool, GDK_TCROSS);
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switch (curve->curve_type)
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{
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case GIMP_CURVE_SMOOTH:
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/* determine the leftmost and rightmost points */
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tool->leftmost = -1;
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for (i = closest_point - 1; i >= 0; i--)
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if (curve->points[i][0] != -1)
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{
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tool->leftmost = curve->points[i][0];
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break;
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}
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tool->rightmost = 256;
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for (i = closest_point + 1; i < GIMP_CURVE_NUM_POINTS; i++)
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if (curve->points[i][0] != -1)
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{
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tool->rightmost = curve->points[i][0];
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break;
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}
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tool->selected = closest_point;
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gimp_curve_view_set_selected (GIMP_CURVE_VIEW (tool->graph),
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closest_point);
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gimp_curve_set_point (curve, tool->selected, x, 255 - y);
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break;
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case GIMP_CURVE_FREE:
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gimp_curve_set_curve (curve, x, 255 - y);
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tool->selected = x;
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tool->last = y;
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gimp_curve_view_set_selected (GIMP_CURVE_VIEW (tool->graph), x);
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break;
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}
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gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (tool));
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if (! GTK_WIDGET_HAS_FOCUS (widget))
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gtk_widget_grab_focus (widget);
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}
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return TRUE;
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case GDK_BUTTON_RELEASE:
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{
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GdkEventButton *bevent = (GdkEventButton *) event;
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if (bevent->button != 1)
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return TRUE;
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tool->grabbed = FALSE;
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curves_set_cursor (tool, GDK_FLEUR);
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}
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return TRUE;
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case GDK_MOTION_NOTIFY:
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{
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GdkEventMotion *mevent = (GdkEventMotion *) event;
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switch (curve->curve_type)
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{
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case GIMP_CURVE_SMOOTH:
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/* If no point is grabbed... */
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if (! tool->grabbed)
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{
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if (curve->points[closest_point][0] != -1)
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new_cursor = GDK_FLEUR;
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else
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new_cursor = GDK_TCROSS;
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}
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/* Else, drag the grabbed point */
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else
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{
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new_cursor = GDK_TCROSS;
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gimp_curve_set_point (curve, tool->selected, -1, -1);
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if (x > tool->leftmost && x < tool->rightmost)
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{
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closest_point = (x + 8) / 16;
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if (curve->points[closest_point][0] == -1)
|
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{
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tool->selected = closest_point;
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gimp_curve_view_set_selected (GIMP_CURVE_VIEW (tool->graph),
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closest_point);
|
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}
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gimp_curve_set_point (curve, tool->selected, x, 255 - y);
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}
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||||
}
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break;
|
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case GIMP_CURVE_FREE:
|
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if (tool->grabbed)
|
||||
{
|
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if (tool->selected > x)
|
||||
{
|
||||
x1 = x;
|
||||
x2 = tool->selected;
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y1 = y;
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y2 = tool->last;
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||||
}
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else
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||||
{
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x1 = tool->selected;
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x2 = x;
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y1 = tool->last;
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||||
y2 = y;
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}
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if (x2 != x1)
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||||
{
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for (i = x1; i <= x2; i++)
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gimp_curve_set_curve (curve, i,
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255 - (y1 + ((y2 - y1) * (i - x1)) / (x2 - x1)));
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}
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else
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{
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gimp_curve_set_curve (curve, x, 255 - y);
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}
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tool->selected = x;
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tool->last = y;
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gimp_curve_view_set_selected (GIMP_CURVE_VIEW (tool->graph), x);
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}
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if (mevent->state & GDK_BUTTON1_MASK)
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new_cursor = GDK_TCROSS;
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else
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||||
new_cursor = GDK_PENCIL;
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||||
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||||
break;
|
||||
}
|
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curves_set_cursor (tool, new_cursor);
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|
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gimp_curve_view_set_cusor (GIMP_CURVE_VIEW (tool->graph), x, y);
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||||
|
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gimp_image_map_tool_preview (GIMP_IMAGE_MAP_TOOL (tool));
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}
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return TRUE;
|
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case GDK_KEY_PRESS:
|
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if (curves_key_press (tool, (GdkEventKey *) event))
|
||||
{
|
||||
curves_set_cursor (tool, GDK_TCROSS);
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return TRUE;
|
||||
}
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||||
break;
|
||||
|
||||
case GDK_LEAVE_NOTIFY:
|
||||
gimp_curve_view_set_cusor (GIMP_CURVE_VIEW (tool->graph), -1, -1);
|
||||
return TRUE;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return FALSE;
|
||||
}
|
||||
|
|
|
@ -45,12 +45,7 @@ struct _GimpCurvesTool
|
|||
gboolean alpha;
|
||||
GimpHistogramChannel channel;
|
||||
|
||||
gint selected;
|
||||
gint last;
|
||||
gint leftmost;
|
||||
gint rightmost;
|
||||
gint col_value[5];
|
||||
gboolean grabbed;
|
||||
|
||||
GimpHistogram *hist;
|
||||
|
||||
|
|
|
@ -21,6 +21,7 @@
|
|||
#include <string.h>
|
||||
|
||||
#include <gtk/gtk.h>
|
||||
#include <gdk/gdkkeysyms.h>
|
||||
|
||||
#include "libgimpmath/gimpmath.h"
|
||||
|
||||
|
@ -32,35 +33,21 @@
|
|||
#include "gimpcurveview.h"
|
||||
|
||||
|
||||
enum
|
||||
{
|
||||
PROP_0,
|
||||
PROP_CHANNEL,
|
||||
PROP_SCALE,
|
||||
PROP_BORDER_WIDTH,
|
||||
PROP_SUBDIVISIONS
|
||||
};
|
||||
static void gimp_curve_view_finalize (GObject *object);
|
||||
static void gimp_curve_view_dispose (GObject *object);
|
||||
|
||||
|
||||
static void gimp_curve_view_finalize (GObject *object);
|
||||
static void gimp_curve_view_dispose (GObject *object);
|
||||
static void gimp_curve_view_set_property (GObject *object,
|
||||
guint property_id,
|
||||
const GValue *value,
|
||||
GParamSpec *pspec);
|
||||
static void gimp_curve_view_get_property (GObject *object,
|
||||
guint property_id,
|
||||
GValue *value,
|
||||
GParamSpec *pspec);
|
||||
|
||||
static gboolean gimp_curve_view_expose (GtkWidget *widget,
|
||||
GdkEventExpose *event);
|
||||
static gboolean gimp_curve_view_button_press (GtkWidget *widget,
|
||||
GdkEventButton *bevent);
|
||||
static gboolean gimp_curve_view_button_release (GtkWidget *widget,
|
||||
GdkEventButton *bevent);
|
||||
static gboolean gimp_curve_view_motion_notify (GtkWidget *widget,
|
||||
GdkEventMotion *bevent);
|
||||
static gboolean gimp_curve_view_expose (GtkWidget *widget,
|
||||
GdkEventExpose *event);
|
||||
static gboolean gimp_curve_view_button_press (GtkWidget *widget,
|
||||
GdkEventButton *bevent);
|
||||
static gboolean gimp_curve_view_button_release (GtkWidget *widget,
|
||||
GdkEventButton *bevent);
|
||||
static gboolean gimp_curve_view_motion_notify (GtkWidget *widget,
|
||||
GdkEventMotion *bevent);
|
||||
static gboolean gimp_curve_view_leave_notify (GtkWidget *widget,
|
||||
GdkEventCrossing *cevent);
|
||||
static gboolean gimp_curve_view_key_press (GtkWidget *widget,
|
||||
GdkEventKey *kevent);
|
||||
|
||||
|
||||
G_DEFINE_TYPE (GimpCurveView, gimp_curve_view,
|
||||
|
@ -76,58 +63,29 @@ gimp_curve_view_class_init (GimpCurveViewClass *klass)
|
|||
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
|
||||
GimpHistogramViewClass *hist_class = GIMP_HISTOGRAM_VIEW_CLASS (klass);
|
||||
|
||||
object_class->finalize = gimp_curve_view_finalize;
|
||||
object_class->dispose = gimp_curve_view_dispose;
|
||||
object_class->get_property = gimp_curve_view_get_property;
|
||||
object_class->set_property = gimp_curve_view_set_property;
|
||||
object_class->finalize = gimp_curve_view_finalize;
|
||||
object_class->dispose = gimp_curve_view_dispose;
|
||||
|
||||
widget_class->expose_event = gimp_curve_view_expose;
|
||||
widget_class->button_press_event = gimp_curve_view_button_press;
|
||||
widget_class->button_release_event = gimp_curve_view_button_release;
|
||||
widget_class->motion_notify_event = gimp_curve_view_motion_notify;
|
||||
widget_class->leave_notify_event = gimp_curve_view_leave_notify;
|
||||
widget_class->key_press_event = gimp_curve_view_key_press;
|
||||
|
||||
hist_class->light_histogram = TRUE;
|
||||
|
||||
#if 0
|
||||
g_object_class_install_property (object_class, PROP_CHANNEL,
|
||||
g_param_spec_enum ("curve-channel",
|
||||
NULL, NULL,
|
||||
GIMP_TYPE_CURVE_CHANNEL,
|
||||
GIMP_CURVE_VALUE,
|
||||
GIMP_PARAM_READWRITE |
|
||||
G_PARAM_CONSTRUCT));
|
||||
|
||||
g_object_class_install_property (object_class, PROP_SCALE,
|
||||
g_param_spec_enum ("curve-scale",
|
||||
NULL, NULL,
|
||||
GIMP_TYPE_CURVE_SCALE,
|
||||
GIMP_CURVE_SCALE_LINEAR,
|
||||
GIMP_PARAM_READWRITE |
|
||||
G_PARAM_CONSTRUCT));
|
||||
|
||||
g_object_class_install_property (object_class, PROP_BORDER_WIDTH,
|
||||
g_param_spec_int ("border-width", NULL, NULL,
|
||||
0, 32, 1,
|
||||
GIMP_PARAM_READWRITE |
|
||||
G_PARAM_CONSTRUCT));
|
||||
|
||||
g_object_class_install_property (object_class, PROP_SUBDIVISIONS,
|
||||
g_param_spec_int ("subdivisions",
|
||||
NULL, NULL,
|
||||
1, 64, 5,
|
||||
GIMP_PARAM_READWRITE |
|
||||
G_PARAM_CONSTRUCT));
|
||||
#endif
|
||||
hist_class->light_histogram = TRUE;
|
||||
}
|
||||
|
||||
static void
|
||||
gimp_curve_view_init (GimpCurveView *view)
|
||||
{
|
||||
view->curve = NULL;
|
||||
view->selected = 0;
|
||||
view->xpos = -1;
|
||||
view->cursor_x = -1;
|
||||
view->cursor_y = -1;
|
||||
view->curve = NULL;
|
||||
view->selected = 0;
|
||||
view->last = 0;
|
||||
view->cursor_type = -1;
|
||||
view->xpos = -1;
|
||||
view->cursor_x = -1;
|
||||
view->cursor_y = -1;
|
||||
|
||||
GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
|
||||
|
||||
|
@ -169,38 +127,6 @@ gimp_curve_view_dispose (GObject *object)
|
|||
G_OBJECT_CLASS (parent_class)->dispose (object);
|
||||
}
|
||||
|
||||
static void
|
||||
gimp_curve_view_set_property (GObject *object,
|
||||
guint property_id,
|
||||
const GValue *value,
|
||||
GParamSpec *pspec)
|
||||
{
|
||||
GimpCurveView *view = GIMP_CURVE_VIEW (object);
|
||||
|
||||
switch (property_id)
|
||||
{
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gimp_curve_view_get_property (GObject *object,
|
||||
guint property_id,
|
||||
GValue *value,
|
||||
GParamSpec *pspec)
|
||||
{
|
||||
GimpCurveView *view = GIMP_CURVE_VIEW (object);
|
||||
|
||||
switch (property_id)
|
||||
{
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gimp_curve_view_expose (GtkWidget *widget,
|
||||
GdkEventExpose *event)
|
||||
|
@ -358,13 +284,90 @@ gimp_curve_view_expose (GtkWidget *widget,
|
|||
return FALSE;
|
||||
}
|
||||
|
||||
static void
|
||||
set_cursor (GimpCurveView *view,
|
||||
GdkCursorType new_cursor)
|
||||
{
|
||||
if (new_cursor != view->cursor_type)
|
||||
{
|
||||
GdkDisplay *display = gtk_widget_get_display (GTK_WIDGET (view));
|
||||
GdkCursor *cursor = gdk_cursor_new_for_display (display, new_cursor);
|
||||
|
||||
gdk_window_set_cursor (GTK_WIDGET (view)->window, cursor);
|
||||
gdk_cursor_unref (cursor);
|
||||
|
||||
view->cursor_type = new_cursor;
|
||||
}
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gimp_curve_view_button_press (GtkWidget *widget,
|
||||
GdkEventButton *bevent)
|
||||
{
|
||||
GimpCurveView *view = GIMP_CURVE_VIEW (widget);
|
||||
GimpCurveView *view = GIMP_CURVE_VIEW (widget);
|
||||
GimpCurve *curve = view->curve;
|
||||
gint border;
|
||||
gint width, height;
|
||||
gint x, y;
|
||||
gint closest_point;
|
||||
gint i;
|
||||
|
||||
return GTK_WIDGET_CLASS (parent_class)->button_press_event (widget, bevent);
|
||||
if (! curve || bevent->button != 1)
|
||||
return TRUE;
|
||||
|
||||
border = GIMP_HISTOGRAM_VIEW (view)->border_width;
|
||||
width = widget->allocation.width - 2 * border;
|
||||
height = widget->allocation.height - 2 * border;
|
||||
|
||||
x = ROUND (((gdouble) (bevent->x - border) / (gdouble) width) * 255.0);
|
||||
y = ROUND (((gdouble) (bevent->y - border) / (gdouble) height) * 255.0);
|
||||
|
||||
x = CLAMP0255 (x);
|
||||
y = CLAMP0255 (y);
|
||||
|
||||
closest_point = gimp_curve_get_closest_point (curve, x);
|
||||
|
||||
view->grabbed = TRUE;
|
||||
|
||||
set_cursor (view, GDK_TCROSS);
|
||||
|
||||
switch (curve->curve_type)
|
||||
{
|
||||
case GIMP_CURVE_SMOOTH:
|
||||
/* determine the leftmost and rightmost points */
|
||||
view->leftmost = -1;
|
||||
for (i = closest_point - 1; i >= 0; i--)
|
||||
if (curve->points[i][0] != -1)
|
||||
{
|
||||
view->leftmost = curve->points[i][0];
|
||||
break;
|
||||
}
|
||||
|
||||
view->rightmost = 256;
|
||||
for (i = closest_point + 1; i < GIMP_CURVE_NUM_POINTS; i++)
|
||||
if (curve->points[i][0] != -1)
|
||||
{
|
||||
view->rightmost = curve->points[i][0];
|
||||
break;
|
||||
}
|
||||
|
||||
gimp_curve_view_set_selected (view, closest_point);
|
||||
|
||||
gimp_curve_set_point (curve, view->selected, x, 255 - y);
|
||||
break;
|
||||
|
||||
case GIMP_CURVE_FREE:
|
||||
gimp_curve_view_set_selected (view, x);
|
||||
view->last = y;
|
||||
|
||||
gimp_curve_set_curve (curve, x, 255 - y);
|
||||
break;
|
||||
}
|
||||
|
||||
if (! GTK_WIDGET_HAS_FOCUS (widget))
|
||||
gtk_widget_grab_focus (widget);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
|
@ -373,16 +376,201 @@ gimp_curve_view_button_release (GtkWidget *widget,
|
|||
{
|
||||
GimpCurveView *view = GIMP_CURVE_VIEW (widget);
|
||||
|
||||
return GTK_WIDGET_CLASS (parent_class)->button_release_event (widget, bevent);
|
||||
if (bevent->button != 1)
|
||||
return TRUE;
|
||||
|
||||
view->grabbed = FALSE;
|
||||
|
||||
set_cursor (view, GDK_FLEUR);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gimp_curve_view_motion_notify (GtkWidget *widget,
|
||||
GdkEventMotion *mevent)
|
||||
{
|
||||
GimpCurveView *view = GIMP_CURVE_VIEW (widget);
|
||||
GimpCurve *curve = view->curve;
|
||||
GimpCursorType new_cursor = GDK_X_CURSOR;
|
||||
gint border;
|
||||
gint width, height;
|
||||
gint x, y;
|
||||
gint closest_point;
|
||||
gint i;
|
||||
|
||||
if (! curve)
|
||||
return TRUE;
|
||||
|
||||
border = GIMP_HISTOGRAM_VIEW (view)->border_width;
|
||||
width = widget->allocation.width - 2 * border;
|
||||
height = widget->allocation.height - 2 * border;
|
||||
|
||||
x = ROUND (((gdouble) (mevent->x - border) / (gdouble) width) * 255.0);
|
||||
y = ROUND (((gdouble) (mevent->y - border) / (gdouble) height) * 255.0);
|
||||
|
||||
x = CLAMP0255 (x);
|
||||
y = CLAMP0255 (y);
|
||||
|
||||
closest_point = gimp_curve_get_closest_point (curve, x);
|
||||
|
||||
switch (curve->curve_type)
|
||||
{
|
||||
case GIMP_CURVE_SMOOTH:
|
||||
if (! view->grabbed) /* If no point is grabbed... */
|
||||
{
|
||||
if (curve->points[closest_point][0] != -1)
|
||||
new_cursor = GDK_FLEUR;
|
||||
else
|
||||
new_cursor = GDK_TCROSS;
|
||||
}
|
||||
else /* Else, drag the grabbed point */
|
||||
{
|
||||
new_cursor = GDK_TCROSS;
|
||||
|
||||
gimp_curve_set_point (curve, view->selected, -1, -1);
|
||||
|
||||
if (x > view->leftmost && x < view->rightmost)
|
||||
{
|
||||
closest_point = (x + 8) / 16;
|
||||
if (curve->points[closest_point][0] == -1)
|
||||
gimp_curve_view_set_selected (view, closest_point);
|
||||
|
||||
gimp_curve_set_point (curve, view->selected, x, 255 - y);
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
case GIMP_CURVE_FREE:
|
||||
if (view->grabbed)
|
||||
{
|
||||
gint x1, x2, y1, y2;
|
||||
|
||||
if (view->selected > x)
|
||||
{
|
||||
x1 = x;
|
||||
x2 = view->selected;
|
||||
y1 = y;
|
||||
y2 = view->last;
|
||||
}
|
||||
else
|
||||
{
|
||||
x1 = view->selected;
|
||||
x2 = x;
|
||||
y1 = view->last;
|
||||
y2 = y;
|
||||
}
|
||||
|
||||
if (x2 != x1)
|
||||
{
|
||||
for (i = x1; i <= x2; i++)
|
||||
gimp_curve_set_curve (curve, i,
|
||||
255 - (y1 + ((y2 - y1) * (i - x1)) / (x2 - x1)));
|
||||
}
|
||||
else
|
||||
{
|
||||
gimp_curve_set_curve (curve, x, 255 - y);
|
||||
}
|
||||
|
||||
gimp_curve_view_set_selected (view, x);
|
||||
view->last = y;
|
||||
}
|
||||
|
||||
if (mevent->state & GDK_BUTTON1_MASK)
|
||||
new_cursor = GDK_TCROSS;
|
||||
else
|
||||
new_cursor = GDK_PENCIL;
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
set_cursor (view, new_cursor);
|
||||
|
||||
gimp_curve_view_set_cursor (view, x, y);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gimp_curve_view_leave_notify (GtkWidget *widget,
|
||||
GdkEventCrossing *cevent)
|
||||
{
|
||||
GimpCurveView *view = GIMP_CURVE_VIEW (widget);
|
||||
|
||||
return GTK_WIDGET_CLASS (parent_class)->motion_notify_event (widget, mevent);
|
||||
gimp_curve_view_set_cursor (view, -1, -1);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gimp_curve_view_key_press (GtkWidget *widget,
|
||||
GdkEventKey *kevent)
|
||||
{
|
||||
GimpCurveView *view = GIMP_CURVE_VIEW (widget);
|
||||
GimpCurve *curve = view->curve;
|
||||
gint i = view->selected;
|
||||
gint y = curve->points[i][1];
|
||||
gboolean retval = FALSE;
|
||||
|
||||
if (view->grabbed || ! curve || curve->curve_type == GIMP_CURVE_FREE)
|
||||
return FALSE;
|
||||
|
||||
switch (kevent->keyval)
|
||||
{
|
||||
case GDK_Left:
|
||||
for (i = i - 1; i >= 0 && ! retval; i--)
|
||||
{
|
||||
if (curve->points[i][0] != -1)
|
||||
{
|
||||
gimp_curve_view_set_selected (view, i);
|
||||
|
||||
retval = TRUE;
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
case GDK_Right:
|
||||
for (i = i + 1; i < GIMP_CURVE_NUM_POINTS && ! retval; i++)
|
||||
{
|
||||
if (curve->points[i][0] != -1)
|
||||
{
|
||||
gimp_curve_view_set_selected (view, i);
|
||||
|
||||
retval = TRUE;
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
case GDK_Up:
|
||||
if (y < 255)
|
||||
{
|
||||
y = y + (kevent->state & GDK_SHIFT_MASK ? 16 : 1);
|
||||
|
||||
gimp_curve_move_point (curve, i, CLAMP0255 (y));
|
||||
|
||||
retval = TRUE;
|
||||
}
|
||||
break;
|
||||
|
||||
case GDK_Down:
|
||||
if (y > 0)
|
||||
{
|
||||
y = y - (kevent->state & GDK_SHIFT_MASK ? 16 : 1);
|
||||
|
||||
gimp_curve_move_point (curve, i, CLAMP0255 (y));
|
||||
|
||||
retval = TRUE;
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
if (retval)
|
||||
set_cursor (view, GDK_TCROSS);
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
||||
GtkWidget *
|
||||
|
@ -471,9 +659,9 @@ gimp_curve_view_set_xpos (GimpCurveView *view,
|
|||
}
|
||||
|
||||
void
|
||||
gimp_curve_view_set_cusor (GimpCurveView *view,
|
||||
gint x,
|
||||
gint y)
|
||||
gimp_curve_view_set_cursor (GimpCurveView *view,
|
||||
gint x,
|
||||
gint y)
|
||||
{
|
||||
g_return_if_fail (GIMP_IS_CURVE_VIEW (view));
|
||||
|
||||
|
|
|
@ -38,7 +38,14 @@ struct _GimpCurveView
|
|||
GimpHistogramView parent_instance;
|
||||
|
||||
GimpCurve *curve;
|
||||
|
||||
gint selected;
|
||||
gint last;
|
||||
gint leftmost;
|
||||
gint rightmost;
|
||||
gboolean grabbed;
|
||||
|
||||
GdkCursorType cursor_type;
|
||||
|
||||
gint xpos;
|
||||
PangoLayout *xpos_layout;
|
||||
|
@ -67,7 +74,7 @@ void gimp_curve_view_set_selected (GimpCurveView *view,
|
|||
gint selected);
|
||||
void gimp_curve_view_set_xpos (GimpCurveView *view,
|
||||
gint x);
|
||||
void gimp_curve_view_set_cusor (GimpCurveView *view,
|
||||
void gimp_curve_view_set_cursor (GimpCurveView *view,
|
||||
gint x,
|
||||
gint y);
|
||||
|
||||
|
|
Loading…
Reference in New Issue