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app: in perspective-clone tool, fix cursor presicion; hide brush while adjusting 

In GimpPerspectiveCloneTool, use PIXEL_CENTER cursor precision
while setting the source, and place the source-position handle at
the center of the selected pixel, rather than at its top-left
corner.

Additionally, disable the paint tool while adjusting the
perspective, so that the brush outline isn't shown, and the cursor
precision remains SUBPIXEL, even if the hard-edge option is
toggled.
This commit is contained in:
Ell 2019-01-31 06:18:17 -05:00
parent 05dd5029ee
commit e5c9314a88
2 changed files with 77 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

69
app/tools/gimpperspectiveclonetool.c
View File

@ -62,6 +62,8 @@ enum
};
static void gimp_perspective_clone_tool_constructed (GObject *object);
static gboolean gimp_perspective_clone_tool_initialize (GimpTool *tool,
GimpDisplay *display,
GError **error);
@ -91,6 +93,11 @@ static void gimp_perspective_clone_tool_motion (GimpTool *to
guint32 time,
GdkModifierType state,
GimpDisplay *display);
static void gimp_perspective_clone_tool_modifier_key (GimpTool *tool,
GdkModifierType key,
gboolean press,
GdkModifierType state,
GimpDisplay *display);
static void gimp_perspective_clone_tool_cursor_update (GimpTool *tool,
const GimpCoords *coords,
GdkModifierType state,
@ -151,9 +158,12 @@ gimp_perspective_clone_tool_register (GimpToolRegisterCallback callback,
static void
gimp_perspective_clone_tool_class_init (GimpPerspectiveCloneToolClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpToolClass *tool_class = GIMP_TOOL_CLASS (klass);
GimpDrawToolClass *draw_tool_class = GIMP_DRAW_TOOL_CLASS (klass);
object_class->constructed = gimp_perspective_clone_tool_constructed;
tool_class->initialize = gimp_perspective_clone_tool_initialize;
tool_class->has_display = gimp_perspective_clone_tool_has_display;
tool_class->has_image = gimp_perspective_clone_tool_has_image;
@ -161,6 +171,7 @@ gimp_perspective_clone_tool_class_init (GimpPerspectiveCloneToolClass *klass)
tool_class->button_press = gimp_perspective_clone_tool_button_press;
tool_class->button_release = gimp_perspective_clone_tool_button_release;
tool_class->motion = gimp_perspective_clone_tool_motion;
tool_class->modifier_key = gimp_perspective_clone_tool_modifier_key;
tool_class->cursor_update = gimp_perspective_clone_tool_cursor_update;
tool_class->oper_update = gimp_perspective_clone_tool_oper_update;
tool_class->options_notify = gimp_perspective_clone_tool_options_notify;
@ -179,6 +190,19 @@ gimp_perspective_clone_tool_init (GimpPerspectiveCloneTool *clone_tool)
gimp_matrix3_identity (&clone_tool->transform);
}
static void
gimp_perspective_clone_tool_constructed (GObject *object)
{
GimpPerspectiveCloneOptions *options;
options = GIMP_PERSPECTIVE_CLONE_TOOL_GET_OPTIONS (object);
G_OBJECT_CLASS (parent_class)->constructed (object);
if (options->clone_mode == GIMP_PERSPECTIVE_CLONE_MODE_ADJUST)
gimp_paint_tool_set_active (GIMP_PAINT_TOOL (object), FALSE);
}
static gboolean
gimp_perspective_clone_tool_initialize (GimpTool *tool,
GimpDisplay *display,
@ -447,6 +471,39 @@ gimp_perspective_clone_tool_motion (GimpTool *tool,
}
}
static void
gimp_perspective_clone_tool_modifier_key (GimpTool *tool,
GdkModifierType key,
gboolean press,
GdkModifierType state,
GimpDisplay *display)
{
GimpPerspectiveCloneTool *clone_tool = GIMP_PERSPECTIVE_CLONE_TOOL (tool);
GimpPerspectiveCloneOptions *options;
options = GIMP_PERSPECTIVE_CLONE_TOOL_GET_OPTIONS (tool);
if (options->clone_mode == GIMP_PERSPECTIVE_CLONE_MODE_PAINT &&
key == gimp_get_toggle_behavior_mask ())
{
if (press)
{
clone_tool->saved_precision =
gimp_tool_control_get_precision (tool->control);
gimp_tool_control_set_precision (tool->control,
GIMP_CURSOR_PRECISION_PIXEL_CENTER);
}
else
{
gimp_tool_control_set_precision (tool->control,
clone_tool->saved_precision);
}
}
GIMP_TOOL_CLASS (parent_class)->modifier_key (tool, key, press, state,
display);
}
static void
gimp_perspective_clone_tool_cursor_update (GimpTool *tool,
const GimpCoords *coords,
@ -592,6 +649,7 @@ gimp_perspective_clone_tool_options_notify (GimpTool *tool,
const GParamSpec *pspec)
{
GimpPerspectiveCloneTool *clone_tool = GIMP_PERSPECTIVE_CLONE_TOOL (tool);
GimpPaintTool *paint_tool = GIMP_PAINT_TOOL (tool);
GimpPerspectiveCloneOptions *clone_options;
clone_options = GIMP_PERSPECTIVE_CLONE_OPTIONS (options);
@ -608,13 +666,14 @@ gimp_perspective_clone_tool_options_notify (GimpTool *tool,
if (clone_options->clone_mode == GIMP_PERSPECTIVE_CLONE_MODE_PAINT)
{
/* GimpPaintTool's notify callback will set the right precision */
g_object_notify (G_OBJECT (options), "hard");
gimp_perspective_clone_set_transform (clone, &clone_tool->transform);
gimp_paint_tool_set_active (paint_tool, TRUE);
}
else
{
gimp_paint_tool_set_active (paint_tool, FALSE);
gimp_tool_control_set_precision (tool->control,
GIMP_CURSOR_PRECISION_SUBPIXEL);
@ -692,8 +751,8 @@ gimp_perspective_clone_tool_draw (GimpDrawTool *draw_tool)
gimp_draw_tool_add_handle (draw_tool,
GIMP_HANDLE_CROSS,
clone_tool->src_x,
clone_tool->src_y,
clone_tool->src_x + 0.5,
clone_tool->src_y + 0.5,
GIMP_TOOL_HANDLE_SIZE_CROSS,
GIMP_TOOL_HANDLE_SIZE_CROSS,
GIMP_HANDLE_ANCHOR_CENTER);

2
app/tools/gimpperspectiveclonetool.h
View File

@ -51,6 +51,8 @@ struct _GimpPerspectiveCloneTool
gint x1, y1; /* upper left hand coordinate */
gint x2, y2; /* lower right hand coords */
GimpCursorPrecision saved_precision;
GimpToolWidget *widget;
GimpToolWidget *grab_widget;
};