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app: use a GimpCanvasSamplePoint to draw the hovered sample point

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This commit is contained in:
Michael Natterer 2010-09-30 01:32:34 +02:00
parent 0d11be8fed
commit f5750647c1
1 changed files with 49 additions and 82 deletions
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131
app/tools/gimpcolortool.c
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@ -43,10 +43,10 @@
#include "widgets/gimppaletteeditor.h"
#include "widgets/gimpsessioninfo.h"
#include "display/gimpcanvassamplepoint.h"
#include "display/gimpdisplay.h"
#include "display/gimpdisplayshell.h"
#include "display/gimpdisplayshell-appearance.h"
#include "display/gimpdisplayshell-draw.h"
#include "display/gimpdisplayshell-selection.h"
#include "display/gimpdisplayshell-transform.h"
@ -68,9 +68,6 @@ enum
static void gimp_color_tool_finalize (GObject *object);
static void gimp_color_tool_control (GimpTool *tool,
GimpToolAction action,
GimpDisplay *display);
static void gimp_color_tool_button_press (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
@ -146,7 +143,6 @@ gimp_color_tool_class_init (GimpColorToolClass *klass)
object_class->finalize = gimp_color_tool_finalize;
tool_class->control = gimp_color_tool_control;
tool_class->button_press = gimp_color_tool_button_press;
tool_class->button_release = gimp_color_tool_button_release;
tool_class->motion = gimp_color_tool_motion;
@ -194,45 +190,6 @@ gimp_color_tool_finalize (GObject *object)
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_color_tool_control (GimpTool *tool,
GimpToolAction action,
GimpDisplay *display)
{
GimpColorTool *color_tool = GIMP_COLOR_TOOL (tool);
GimpDisplayShell *shell = gimp_display_get_shell (display);
switch (action)
{
case GIMP_TOOL_ACTION_PAUSE:
break;
case GIMP_TOOL_ACTION_RESUME:
if (color_tool->sample_point &&
gimp_display_shell_get_show_sample_points (shell))
{
cairo_t *cr = gdk_cairo_create (gtk_widget_get_window (shell->canvas));
gimp_display_shell_draw_sample_point (shell, cr,
color_tool->sample_point, TRUE);
cairo_destroy (cr);
}
break;
case GIMP_TOOL_ACTION_HALT:
if (color_tool->sample_point &&
gimp_display_shell_get_show_sample_points (shell))
{
cairo_t *cr = gdk_cairo_create (gtk_widget_get_window (shell->canvas));
gimp_display_shell_draw_sample_point (shell, cr,
color_tool->sample_point, FALSE);
cairo_destroy (cr);
}
break;
}
GIMP_TOOL_CLASS (parent_class)->control (tool, action, display);
}
static void
gimp_color_tool_button_press (GimpTool *tool,
const GimpCoords *coords,
@ -358,17 +315,12 @@ gimp_color_tool_button_release (GimpTool *tool,
gimp_display_shell_selection_control (shell, GIMP_SELECTION_RESUME);
gimp_image_flush (image);
if (color_tool->sample_point)
{
cairo_t *cr = gdk_cairo_create (gtk_widget_get_window (shell->canvas));
gimp_display_shell_draw_sample_point (shell, cr,
color_tool->sample_point, TRUE);
cairo_destroy (cr);
}
color_tool->moving_sample_point = FALSE;
color_tool->sample_point_x = -1;
color_tool->sample_point_y = -1;
if (color_tool->sample_point)
gimp_draw_tool_start (GIMP_DRAW_TOOL (tool), display);
}
else
{
@ -491,18 +443,22 @@ gimp_color_tool_oper_update (GimpTool *tool,
FUNSCALEY (shell, snap_distance));
}
if (color_tool->sample_point &&
color_tool->sample_point != sample_point)
gimp_image_update_sample_point (image, color_tool->sample_point);
color_tool->sample_point = sample_point;
if (color_tool->sample_point)
if (color_tool->sample_point != sample_point)
{
cairo_t *cr = gdk_cairo_create (gtk_widget_get_window (shell->canvas));
gimp_display_shell_draw_sample_point (shell, cr,
color_tool->sample_point, TRUE);
cairo_destroy (cr);
GimpDrawTool *draw_tool = GIMP_DRAW_TOOL (tool);
gimp_draw_tool_pause (draw_tool);
if (gimp_draw_tool_is_active (draw_tool) &&
draw_tool->display != display)
gimp_draw_tool_stop (draw_tool);
color_tool->sample_point = sample_point;
if (! gimp_draw_tool_is_active (draw_tool))
gimp_draw_tool_start (draw_tool, display);
gimp_draw_tool_resume (draw_tool);
}
}
@ -568,6 +524,25 @@ gimp_color_tool_draw (GimpDrawTool *draw_tool)
if (color_tool->enabled)
{
if (color_tool->sample_point)
{
GimpImage *image = gimp_display_get_image (draw_tool->display);
GimpCanvasItem *item;
gint index;
index = g_list_index (gimp_image_get_sample_points (image),
color_tool->sample_point) + 1;
item = gimp_canvas_sample_point_new (color_tool->sample_point->x,
color_tool->sample_point->y,
index);
g_object_set (item, "sample-point-style", TRUE, NULL);
gimp_canvas_item_set_highlight (item, TRUE);
gimp_draw_tool_add_item (draw_tool, item);
g_object_unref (item);
}
if (color_tool->moving_sample_point)
{
if (color_tool->sample_point_x != -1 &&
@ -585,19 +560,17 @@ gimp_color_tool_draw (GimpDrawTool *draw_tool)
gimp_image_get_height (image));
}
}
else
else if (color_tool->options->sample_average &&
gimp_tool_control_is_active (GIMP_TOOL (draw_tool)->control))
{
if (color_tool->options->sample_average)
{
gdouble radius = color_tool->options->average_radius;
gdouble radius = color_tool->options->average_radius;
gimp_draw_tool_add_rectangle (draw_tool,
FALSE,
color_tool->center_x - radius,
color_tool->center_y - radius,
2 * radius + 1,
2 * radius + 1);
}
gimp_draw_tool_add_rectangle (draw_tool,
FALSE,
color_tool->center_x - radius,
color_tool->center_y - radius,
2 * radius + 1,
2 * radius + 1);
}
}
@ -825,14 +798,8 @@ gimp_color_tool_start_sample_point (GimpTool *tool,
gimp_tool_control_activate (tool->control);
gimp_tool_control_set_scroll_lock (tool->control, TRUE);
if (color_tool->sample_point)
{
GimpDisplayShell *shell = gimp_display_get_shell (display);
cairo_t *cr = gdk_cairo_create (gtk_widget_get_window (shell->canvas));
gimp_display_shell_draw_sample_point (shell, cr,
color_tool->sample_point, FALSE);
cairo_destroy (cr);
}
if (gimp_draw_tool_is_active (GIMP_DRAW_TOOL (tool)))
gimp_draw_tool_stop (GIMP_DRAW_TOOL (tool));
color_tool->sample_point = NULL;
color_tool->moving_sample_point = TRUE;