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app/tools/gimperasertool.c app/tools/gimperasertool.h Removed the 

2001-11-25  Simon Budig  <simon@gimp.org>

        * app/tools/gimperasertool.c
        * app/tools/gimperasertool.h
        * tools/pdbgen/pdb/tools.pdb: Removed the color_erase option of
        the eraser.

        * app/pdb/tools_cmds.c: regenerated.
This commit is contained in:
Simon Budig 2001-11-25 19:01:23 +00:00 committed by Simon Budig
parent 8a69782e97
commit 477c5ca348
9 changed files with 62 additions and 445 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
ChangeLog
View File

@ -1,3 +1,12 @@
2001-11-25 Simon Budig <simon@gimp.org>
* app/tools/gimperasertool.c
* app/tools/gimperasertool.h
* tools/pdbgen/pdb/tools.pdb: Removed the color_erase option of
the eraser.
* app/pdb/tools_cmds.c: regenerated.
2001-11-25 Simon Budig <simon@gimp.org>
* app/paint-funcs/paint-funcs.c: ANTI_ERASE had wrong

207
app/paint/gimperaser.c
View File

@ -26,7 +26,6 @@
#include "tools-types.h"
#include "base/pixel-region.h"
#include "base/temp-buf.h"
#include "paint-funcs/paint-funcs.h"
@ -47,7 +46,6 @@
#define ERASER_DEFAULT_HARD FALSE
#define ERASER_DEFAULT_INCREMENTAL FALSE
#define ERASER_DEFAULT_ANTI_ERASE FALSE
#define ERASER_DEFAULT_COLOR_ERASE FALSE
typedef struct _EraserOptions EraserOptions;
@ -63,10 +61,6 @@ struct _EraserOptions
gboolean anti_erase;
gboolean anti_erase_d;
GtkWidget *anti_erase_w;
gboolean color_erase;
gboolean color_erase_d;
GtkWidget *color_erase_w;
};
@ -88,20 +82,16 @@ static void gimp_eraser_tool_motion (GimpPaintTool *paint_tool,
PaintPressureOptions *pressure_options,
gboolean hard,
gboolean incremental,
gboolean anti_erase,
gboolean color_erase);
gboolean anti_erase);
static GimpToolOptions * gimp_eraser_tool_options_new (GimpToolInfo *tool_info);
static void gimp_eraser_tool_options_reset (GimpToolOptions *tool_options);
static void gimp_eraser_tool_colortoalpha (GimpRGB *src,
const GimpRGB *color);
/* local variables */
static gboolean non_gui_hard = ERASER_DEFAULT_HARD;
static gboolean non_gui_incremental = ERASER_DEFAULT_INCREMENTAL;
static gboolean non_gui_anti_erase = ERASER_DEFAULT_ANTI_ERASE;
static gboolean non_gui_color_erase = ERASER_DEFAULT_COLOR_ERASE;
static GimpPaintToolClass *parent_class = NULL;
@ -213,7 +203,6 @@ gimp_eraser_tool_paint (GimpPaintTool *paint_tool,
gboolean hard;
gboolean incremental;
gboolean anti_erase;
gboolean color_erase;
options = (EraserOptions *) GIMP_TOOL (paint_tool)->tool_info->tool_options;
@ -223,7 +212,6 @@ gimp_eraser_tool_paint (GimpPaintTool *paint_tool,
hard = options->hard;
incremental = options->paint_options.incremental;
anti_erase = options->anti_erase;
color_erase = options->color_erase;
}
else
{
@ -231,7 +219,6 @@ gimp_eraser_tool_paint (GimpPaintTool *paint_tool,
hard = non_gui_hard;
incremental = non_gui_incremental;
anti_erase = non_gui_anti_erase;
color_erase = non_gui_color_erase;
}
switch (state)
@ -245,8 +232,7 @@ gimp_eraser_tool_paint (GimpPaintTool *paint_tool,
pressure_options,
hard,
incremental,
anti_erase,
color_erase);
anti_erase);
break;
case FINISH_PAINT:
@ -263,8 +249,7 @@ gimp_eraser_tool_motion (GimpPaintTool *paint_tool,
PaintPressureOptions *pressure_options,
gboolean hard,
gboolean incremental,
gboolean anti_erase,
gboolean color_erase)
gboolean anti_erase)
{
GimpImage *gimage;
GimpContext *context;
@ -272,13 +257,6 @@ gimp_eraser_tool_motion (GimpPaintTool *paint_tool,
TempBuf *area;
guchar col[MAX_CHANNELS];
gdouble scale;
TempBuf *orig;
gint x, y, x1, y1, x2, y2;
PixelRegion srcPR, destPR;
gpointer pr;
GimpRGB bgcolor, color;
guchar *s, *d;
if (! (gimage = gimp_drawable_gimage (drawable)))
return;
@ -296,8 +274,6 @@ gimp_eraser_tool_motion (GimpPaintTool *paint_tool,
if (! (area = gimp_paint_tool_get_paint_area (paint_tool, drawable, scale)))
return;
if (anti_erase || !color_erase)
{
/* set the alpha channel */
col[area->bytes - 1] = OPAQUE_OPACITY;
@ -315,100 +291,11 @@ gimp_eraser_tool_motion (GimpPaintTool *paint_tool,
gimp_paint_tool_paste_canvas (paint_tool, drawable,
MIN (opacity, 255),
gimp_context_get_opacity (context) * 255,
anti_erase ? (color_erase ? BEHIND_MODE : ANTI_ERASE_MODE ) : ERASE_MODE,
anti_erase ? ANTI_ERASE_MODE : ERASE_MODE,
hard ? HARD : (pressure_options->pressure ? PRESSURE : SOFT),
scale,
incremental ? INCREMENTAL : CONSTANT);
}
else
{
/* This is Simons evil Eraser Hack. Code is borrowed from the
* colortoalpha plugin by Seth Burgess. Algorithm has been
* described on IRC by clahey.
*/
gimp_rgb_set_uchar (&bgcolor, col[0], col[1], col[2]);
if (!gimp_drawable_has_alpha (drawable))
return;
/* is this necessary? */
x1 = CLAMP (area->x, 0, gimp_drawable_width (drawable));
y1 = CLAMP (area->y, 0, gimp_drawable_height (drawable));
x2 = CLAMP (area->x + area->width,
0, gimp_drawable_width (drawable));
y2 = CLAMP (area->y + area->height,
0, gimp_drawable_height (drawable));
if (!(x2 - x1) || !(y2 - y1))
return;
/* get the original image */
orig = gimp_paint_tool_get_orig_image (paint_tool, drawable, x1, y1, x2, y2);
srcPR.bytes = orig->bytes;
srcPR.x = 0; srcPR.y = 0;
srcPR.w = x2 - x1;
srcPR.h = y2 - y1;
srcPR.rowstride = srcPR.bytes * orig->width;
srcPR.data = temp_buf_data (orig);
/* configure the destination */
destPR.bytes = area->bytes;
destPR.x = 0; destPR.y = 0;
destPR.w = srcPR.w;
destPR.h = srcPR.h;
destPR.rowstride = destPR.bytes * area->width;
destPR.data = temp_buf_data (area);
/* I am not sure, if this really is necessary.
* Probably the orig Tempbuf has the same size as the area Tempbuf */
pr = pixel_regions_register (2, &srcPR, &destPR);
for (; pr != NULL; pr = pixel_regions_process (pr))
{
s = srcPR.data;
d = destPR.data;
for (y = 0; y < destPR.h; y++)
{
for (x = 0; x < destPR.w; x++)
{
gimp_rgba_set_uchar (&color,
s[x*srcPR.bytes ],
s[x*srcPR.bytes + 1],
s[x*srcPR.bytes + 2],
s[x*srcPR.bytes + 3]);
gimp_eraser_tool_colortoalpha (&color, &bgcolor);
gimp_rgba_get_uchar (&color,
&(d[x*destPR.bytes ]),
&(d[x*destPR.bytes + 1]),
&(d[x*destPR.bytes + 2]),
&(d[x*destPR.bytes + 3]));
}
s += srcPR.rowstride;
d += destPR.rowstride;
}
}
opacity = 255 * gimp_context_get_opacity (context);
if (pressure_options->opacity)
opacity = opacity * 2.0 * paint_tool->cur_coords.pressure;
/* paste the newly painted canvas to the gimage which is
* being worked on */
gimp_paint_tool_replace_canvas (paint_tool, drawable,
MIN (opacity, 255),
gimp_context_get_opacity (context) * 255,
hard ? HARD : (pressure_options->pressure ? PRESSURE : SOFT),
scale,
incremental ? INCREMENTAL : CONSTANT);
}
}
/* non-gui stuff */
@ -423,7 +310,6 @@ eraser_non_gui_default (GimpDrawable *drawable,
gboolean hard = ERASER_DEFAULT_HARD;
gboolean incremental = ERASER_DEFAULT_INCREMENTAL;
gboolean anti_erase = ERASER_DEFAULT_ANTI_ERASE;
gboolean color_erase = ERASER_DEFAULT_COLOR_ERASE;
tool_info = tool_manager_get_info_by_type (drawable->gimage->gimp,
GIMP_TYPE_ERASER_TOOL);
@ -435,11 +321,10 @@ eraser_non_gui_default (GimpDrawable *drawable,
hard = options->hard;
incremental = options->paint_options.incremental;
anti_erase = options->anti_erase;
color_erase = options->color_erase;
}
return eraser_non_gui (drawable, num_strokes, stroke_array,
hard, incremental, anti_erase, color_erase);
hard, incremental, anti_erase);
}
gboolean
@ -448,8 +333,7 @@ eraser_non_gui (GimpDrawable *drawable,
gdouble *stroke_array,
gint hard,
gint incremental,
gboolean anti_erase,
gboolean color_erase)
gboolean anti_erase)
{
static GimpEraserTool *non_gui_eraser = NULL;
@ -470,7 +354,6 @@ eraser_non_gui (GimpDrawable *drawable,
non_gui_hard = hard;
non_gui_incremental = incremental;
non_gui_anti_erase = anti_erase;
non_gui_color_erase = color_erase;
paint_tool->start_coords.x = paint_tool->last_coords.x = stroke_array[0];
paint_tool->start_coords.y = paint_tool->last_coords.y = stroke_array[1];
@ -513,7 +396,6 @@ gimp_eraser_tool_options_new (GimpToolInfo *tool_info)
options->hard = options->hard_d = ERASER_DEFAULT_HARD;
options->anti_erase = options->anti_erase_d = ERASER_DEFAULT_ANTI_ERASE;
options->color_erase = options->color_erase_d = ERASER_DEFAULT_COLOR_ERASE;
/* the main vbox */
vbox = ((GimpToolOptions *) options)->main_vbox;
@ -538,16 +420,6 @@ gimp_eraser_tool_options_new (GimpToolInfo *tool_info)
options->anti_erase_d);
gtk_widget_show (options->anti_erase_w);
/* the color_erase toggle */
options->color_erase_w = gtk_check_button_new_with_label (_("Color Erase"));
gtk_box_pack_start (GTK_BOX (vbox), options->color_erase_w, FALSE, FALSE, 0);
g_signal_connect (G_OBJECT (options->color_erase_w), "toggled",
G_CALLBACK (gimp_toggle_button_update),
&options->color_erase);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->color_erase_w),
options->color_erase_d);
gtk_widget_show (options->color_erase_w);
return (GimpToolOptions *) options;
}
@ -564,71 +436,4 @@ gimp_eraser_tool_options_reset (GimpToolOptions *tool_options)
options->hard_d);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->anti_erase_w),
options->anti_erase_d);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->color_erase_w),
options->color_erase_d);
}
static void
gimp_eraser_tool_colortoalpha (GimpRGB *src,
const GimpRGB *color)
{
GimpRGB alpha;
alpha.a = src->a;
if (color->r < 0.0001)
alpha.r = src->r;
else if ( src->r > color->r )
alpha.r = (src->r - color->r) / (1.0 - color->r);
else if (src->r < color->r)
alpha.r = (color->r - src->r) / color->r;
else alpha.r = 0.0;
if (color->g < 0.0001)
alpha.g = src->g;
else if ( src->g > color->g )
alpha.g = (src->g - color->g) / (1.0 - color->g);
else if ( src->g < color->g )
alpha.g = (color->g - src->g) / (color->g);
else alpha.g = 0.0;
if (color->b < 0.0001)
alpha.b = src->b;
else if ( src->b > color->b )
alpha.b = (src->b - color->b) / (1.0 - color->b);
else if ( src->b < color->b )
alpha.b = (color->b - src->b) / (color->b);
else alpha.b = 0.0;
if ( alpha.r > alpha.g )
{
if ( alpha.r > alpha.b )
{
src->a = alpha.r;
}
else
{
src->a = alpha.b;
}
}
else if ( alpha.g > alpha.b )
{
src->a = alpha.g;
}
else
{
src->a = alpha.b;
}
if (src->a < 0.0001)
return;
src->r = (src->r - color->r) / src->a + color->r;
src->g = (src->g - color->g) / src->a + color->g;
src->b = (src->b - color->b) / src->a + color->b;
src->a *= alpha.a;
}

3
app/paint/gimperaser.h
View File

@ -56,8 +56,7 @@ gboolean eraser_non_gui (GimpDrawable *drawable,
gdouble *stroke_array,
gint hardness,
gint method,
gboolean anti_erase,
gboolean color_erase);
gboolean anti_erase);
gboolean eraser_non_gui_default (GimpDrawable *paint_core,
gint num_strokes,
gdouble *stroke_array);

2
app/pdb/tools_cmds.c
View File

@ -1147,7 +1147,7 @@ eraser_invoker (Gimp *gimp,
success = FALSE;
if (success)
success = eraser_non_gui (drawable, num_strokes, strokes, hardness, method, TRUE, FALSE);
success = eraser_non_gui (drawable, num_strokes, strokes, hardness, method, TRUE);
return procedural_db_return_args (&eraser_proc, success);
}

207
app/tools/gimperasertool.c
View File

@ -26,7 +26,6 @@
#include "tools-types.h"
#include "base/pixel-region.h"
#include "base/temp-buf.h"
#include "paint-funcs/paint-funcs.h"
@ -47,7 +46,6 @@
#define ERASER_DEFAULT_HARD FALSE
#define ERASER_DEFAULT_INCREMENTAL FALSE
#define ERASER_DEFAULT_ANTI_ERASE FALSE
#define ERASER_DEFAULT_COLOR_ERASE FALSE
typedef struct _EraserOptions EraserOptions;
@ -63,10 +61,6 @@ struct _EraserOptions
gboolean anti_erase;
gboolean anti_erase_d;
GtkWidget *anti_erase_w;
gboolean color_erase;
gboolean color_erase_d;
GtkWidget *color_erase_w;
};
@ -88,20 +82,16 @@ static void gimp_eraser_tool_motion (GimpPaintTool *paint_tool,
PaintPressureOptions *pressure_options,
gboolean hard,
gboolean incremental,
gboolean anti_erase,
gboolean color_erase);
gboolean anti_erase);
static GimpToolOptions * gimp_eraser_tool_options_new (GimpToolInfo *tool_info);
static void gimp_eraser_tool_options_reset (GimpToolOptions *tool_options);
static void gimp_eraser_tool_colortoalpha (GimpRGB *src,
const GimpRGB *color);
/* local variables */
static gboolean non_gui_hard = ERASER_DEFAULT_HARD;
static gboolean non_gui_incremental = ERASER_DEFAULT_INCREMENTAL;
static gboolean non_gui_anti_erase = ERASER_DEFAULT_ANTI_ERASE;
static gboolean non_gui_color_erase = ERASER_DEFAULT_COLOR_ERASE;
static GimpPaintToolClass *parent_class = NULL;
@ -213,7 +203,6 @@ gimp_eraser_tool_paint (GimpPaintTool *paint_tool,
gboolean hard;
gboolean incremental;
gboolean anti_erase;
gboolean color_erase;
options = (EraserOptions *) GIMP_TOOL (paint_tool)->tool_info->tool_options;
@ -223,7 +212,6 @@ gimp_eraser_tool_paint (GimpPaintTool *paint_tool,
hard = options->hard;
incremental = options->paint_options.incremental;
anti_erase = options->anti_erase;
color_erase = options->color_erase;
}
else
{
@ -231,7 +219,6 @@ gimp_eraser_tool_paint (GimpPaintTool *paint_tool,
hard = non_gui_hard;
incremental = non_gui_incremental;
anti_erase = non_gui_anti_erase;
color_erase = non_gui_color_erase;
}
switch (state)
@ -245,8 +232,7 @@ gimp_eraser_tool_paint (GimpPaintTool *paint_tool,
pressure_options,
hard,
incremental,
anti_erase,
color_erase);
anti_erase);
break;
case FINISH_PAINT:
@ -263,8 +249,7 @@ gimp_eraser_tool_motion (GimpPaintTool *paint_tool,
PaintPressureOptions *pressure_options,
gboolean hard,
gboolean incremental,
gboolean anti_erase,
gboolean color_erase)
gboolean anti_erase)
{
GimpImage *gimage;
GimpContext *context;
@ -272,13 +257,6 @@ gimp_eraser_tool_motion (GimpPaintTool *paint_tool,
TempBuf *area;
guchar col[MAX_CHANNELS];
gdouble scale;
TempBuf *orig;
gint x, y, x1, y1, x2, y2;
PixelRegion srcPR, destPR;
gpointer pr;
GimpRGB bgcolor, color;
guchar *s, *d;
if (! (gimage = gimp_drawable_gimage (drawable)))
return;
@ -296,8 +274,6 @@ gimp_eraser_tool_motion (GimpPaintTool *paint_tool,
if (! (area = gimp_paint_tool_get_paint_area (paint_tool, drawable, scale)))
return;
if (anti_erase || !color_erase)
{
/* set the alpha channel */
col[area->bytes - 1] = OPAQUE_OPACITY;
@ -315,100 +291,11 @@ gimp_eraser_tool_motion (GimpPaintTool *paint_tool,
gimp_paint_tool_paste_canvas (paint_tool, drawable,
MIN (opacity, 255),
gimp_context_get_opacity (context) * 255,
anti_erase ? (color_erase ? BEHIND_MODE : ANTI_ERASE_MODE ) : ERASE_MODE,
anti_erase ? ANTI_ERASE_MODE : ERASE_MODE,
hard ? HARD : (pressure_options->pressure ? PRESSURE : SOFT),
scale,
incremental ? INCREMENTAL : CONSTANT);
}
else
{
/* This is Simons evil Eraser Hack. Code is borrowed from the
* colortoalpha plugin by Seth Burgess. Algorithm has been
* described on IRC by clahey.
*/
gimp_rgb_set_uchar (&bgcolor, col[0], col[1], col[2]);
if (!gimp_drawable_has_alpha (drawable))
return;
/* is this necessary? */
x1 = CLAMP (area->x, 0, gimp_drawable_width (drawable));
y1 = CLAMP (area->y, 0, gimp_drawable_height (drawable));
x2 = CLAMP (area->x + area->width,
0, gimp_drawable_width (drawable));
y2 = CLAMP (area->y + area->height,
0, gimp_drawable_height (drawable));
if (!(x2 - x1) || !(y2 - y1))
return;
/* get the original image */
orig = gimp_paint_tool_get_orig_image (paint_tool, drawable, x1, y1, x2, y2);
srcPR.bytes = orig->bytes;
srcPR.x = 0; srcPR.y = 0;
srcPR.w = x2 - x1;
srcPR.h = y2 - y1;
srcPR.rowstride = srcPR.bytes * orig->width;
srcPR.data = temp_buf_data (orig);
/* configure the destination */
destPR.bytes = area->bytes;
destPR.x = 0; destPR.y = 0;
destPR.w = srcPR.w;
destPR.h = srcPR.h;
destPR.rowstride = destPR.bytes * area->width;
destPR.data = temp_buf_data (area);
/* I am not sure, if this really is necessary.
* Probably the orig Tempbuf has the same size as the area Tempbuf */
pr = pixel_regions_register (2, &srcPR, &destPR);
for (; pr != NULL; pr = pixel_regions_process (pr))
{
s = srcPR.data;
d = destPR.data;
for (y = 0; y < destPR.h; y++)
{
for (x = 0; x < destPR.w; x++)
{
gimp_rgba_set_uchar (&color,
s[x*srcPR.bytes ],
s[x*srcPR.bytes + 1],
s[x*srcPR.bytes + 2],
s[x*srcPR.bytes + 3]);
gimp_eraser_tool_colortoalpha (&color, &bgcolor);
gimp_rgba_get_uchar (&color,
&(d[x*destPR.bytes ]),
&(d[x*destPR.bytes + 1]),
&(d[x*destPR.bytes + 2]),
&(d[x*destPR.bytes + 3]));
}
s += srcPR.rowstride;
d += destPR.rowstride;
}
}
opacity = 255 * gimp_context_get_opacity (context);
if (pressure_options->opacity)
opacity = opacity * 2.0 * paint_tool->cur_coords.pressure;
/* paste the newly painted canvas to the gimage which is
* being worked on */
gimp_paint_tool_replace_canvas (paint_tool, drawable,
MIN (opacity, 255),
gimp_context_get_opacity (context) * 255,
hard ? HARD : (pressure_options->pressure ? PRESSURE : SOFT),
scale,
incremental ? INCREMENTAL : CONSTANT);
}
}
/* non-gui stuff */
@ -423,7 +310,6 @@ eraser_non_gui_default (GimpDrawable *drawable,
gboolean hard = ERASER_DEFAULT_HARD;
gboolean incremental = ERASER_DEFAULT_INCREMENTAL;
gboolean anti_erase = ERASER_DEFAULT_ANTI_ERASE;
gboolean color_erase = ERASER_DEFAULT_COLOR_ERASE;
tool_info = tool_manager_get_info_by_type (drawable->gimage->gimp,
GIMP_TYPE_ERASER_TOOL);
@ -435,11 +321,10 @@ eraser_non_gui_default (GimpDrawable *drawable,
hard = options->hard;
incremental = options->paint_options.incremental;
anti_erase = options->anti_erase;
color_erase = options->color_erase;
}
return eraser_non_gui (drawable, num_strokes, stroke_array,
hard, incremental, anti_erase, color_erase);
hard, incremental, anti_erase);
}
gboolean
@ -448,8 +333,7 @@ eraser_non_gui (GimpDrawable *drawable,
gdouble *stroke_array,
gint hard,
gint incremental,
gboolean anti_erase,
gboolean color_erase)
gboolean anti_erase)
{
static GimpEraserTool *non_gui_eraser = NULL;
@ -470,7 +354,6 @@ eraser_non_gui (GimpDrawable *drawable,
non_gui_hard = hard;
non_gui_incremental = incremental;
non_gui_anti_erase = anti_erase;
non_gui_color_erase = color_erase;
paint_tool->start_coords.x = paint_tool->last_coords.x = stroke_array[0];
paint_tool->start_coords.y = paint_tool->last_coords.y = stroke_array[1];
@ -513,7 +396,6 @@ gimp_eraser_tool_options_new (GimpToolInfo *tool_info)
options->hard = options->hard_d = ERASER_DEFAULT_HARD;
options->anti_erase = options->anti_erase_d = ERASER_DEFAULT_ANTI_ERASE;
options->color_erase = options->color_erase_d = ERASER_DEFAULT_COLOR_ERASE;
/* the main vbox */
vbox = ((GimpToolOptions *) options)->main_vbox;
@ -538,16 +420,6 @@ gimp_eraser_tool_options_new (GimpToolInfo *tool_info)
options->anti_erase_d);
gtk_widget_show (options->anti_erase_w);
/* the color_erase toggle */
options->color_erase_w = gtk_check_button_new_with_label (_("Color Erase"));
gtk_box_pack_start (GTK_BOX (vbox), options->color_erase_w, FALSE, FALSE, 0);
g_signal_connect (G_OBJECT (options->color_erase_w), "toggled",
G_CALLBACK (gimp_toggle_button_update),
&options->color_erase);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->color_erase_w),
options->color_erase_d);
gtk_widget_show (options->color_erase_w);
return (GimpToolOptions *) options;
}
@ -564,71 +436,4 @@ gimp_eraser_tool_options_reset (GimpToolOptions *tool_options)
options->hard_d);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->anti_erase_w),
options->anti_erase_d);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->color_erase_w),
options->color_erase_d);
}
static void
gimp_eraser_tool_colortoalpha (GimpRGB *src,
const GimpRGB *color)
{
GimpRGB alpha;
alpha.a = src->a;
if (color->r < 0.0001)
alpha.r = src->r;
else if ( src->r > color->r )
alpha.r = (src->r - color->r) / (1.0 - color->r);
else if (src->r < color->r)
alpha.r = (color->r - src->r) / color->r;
else alpha.r = 0.0;
if (color->g < 0.0001)
alpha.g = src->g;
else if ( src->g > color->g )
alpha.g = (src->g - color->g) / (1.0 - color->g);
else if ( src->g < color->g )
alpha.g = (color->g - src->g) / (color->g);
else alpha.g = 0.0;
if (color->b < 0.0001)
alpha.b = src->b;
else if ( src->b > color->b )
alpha.b = (src->b - color->b) / (1.0 - color->b);
else if ( src->b < color->b )
alpha.b = (color->b - src->b) / (color->b);
else alpha.b = 0.0;
if ( alpha.r > alpha.g )
{
if ( alpha.r > alpha.b )
{
src->a = alpha.r;
}
else
{
src->a = alpha.b;
}
}
else if ( alpha.g > alpha.b )
{
src->a = alpha.g;
}
else
{
src->a = alpha.b;
}
if (src->a < 0.0001)
return;
src->r = (src->r - color->r) / src->a + color->r;
src->g = (src->g - color->g) / src->a + color->g;
src->b = (src->b - color->b) / src->a + color->b;
src->a *= alpha.a;
}

3
app/tools/gimperasertool.h
View File

@ -56,8 +56,7 @@ gboolean eraser_non_gui (GimpDrawable *drawable,
gdouble *stroke_array,
gint hardness,
gint method,
gboolean anti_erase,
gboolean color_erase);
gboolean anti_erase);
gboolean eraser_non_gui_default (GimpDrawable *paint_core,
gint num_strokes,
gdouble *stroke_array);

4
tools/pdbgen/pdb/misc_tools.pdb
View File

@ -509,7 +509,7 @@ HELP
%invoke = (
headers => [ qw("tools/gimperasertool.h") ],
code => <<'CODE'
success = eraser_non_gui (drawable, num_strokes, strokes, hardness, method, TRUE, FALSE);
success = eraser_non_gui (drawable, num_strokes, strokes, hardness, method, TRUE);
CODE
);
}
@ -539,7 +539,7 @@ HELP
%invoke = (
headers => [ qw("tools/gimperasertool.h") ],
code => <<'CODE'
success = eraser_non_gui (drawable, num_strokes, strokes, hardness, method, TRUE, FALSE);
success = eraser_non_gui (drawable, num_strokes, strokes, hardness, method, TRUE);
CODE
);
}

4
tools/pdbgen/pdb/paint_tools.pdb
View File

@ -509,7 +509,7 @@ HELP
%invoke = (
headers => [ qw("tools/gimperasertool.h") ],
code => <<'CODE'
success = eraser_non_gui (drawable, num_strokes, strokes, hardness, method, TRUE, FALSE);
success = eraser_non_gui (drawable, num_strokes, strokes, hardness, method, TRUE);
CODE
);
}
@ -539,7 +539,7 @@ HELP
%invoke = (
headers => [ qw("tools/gimperasertool.h") ],
code => <<'CODE'
success = eraser_non_gui (drawable, num_strokes, strokes, hardness, method, TRUE, FALSE);
success = eraser_non_gui (drawable, num_strokes, strokes, hardness, method, TRUE);
CODE
);
}

4
tools/pdbgen/pdb/tools.pdb
View File

@ -509,7 +509,7 @@ HELP
%invoke = (
headers => [ qw("tools/gimperasertool.h") ],
code => <<'CODE'
success = eraser_non_gui (drawable, num_strokes, strokes, hardness, method, TRUE, FALSE);
success = eraser_non_gui (drawable, num_strokes, strokes, hardness, method, TRUE);
CODE
);
}
@ -539,7 +539,7 @@ HELP
%invoke = (
headers => [ qw("tools/gimperasertool.h") ],
code => <<'CODE'
success = eraser_non_gui (drawable, num_strokes, strokes, hardness, method, TRUE, FALSE);
success = eraser_non_gui (drawable, num_strokes, strokes, hardness, method, TRUE);
CODE
);
}