mirror of https://github.com/GNOME/gimp.git
615 lines
19 KiB
C
615 lines
19 KiB
C
/* GIMP - The GNU Image Manipulation Program
|
|
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
|
|
*
|
|
* GimpText
|
|
* Copyright (C) 2002-2003 Sven Neumann <sven@gimp.org>
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <string.h>
|
|
|
|
#include <cairo.h>
|
|
#include <gegl.h>
|
|
#include <gdk-pixbuf/gdk-pixbuf.h>
|
|
#include <pango/pango.h>
|
|
|
|
#include "libgimpbase/gimpbase.h"
|
|
#include "libgimpmath/gimpmath.h"
|
|
#include "libgimpcolor/gimpcolor.h"
|
|
#include "libgimpconfig/gimpconfig.h"
|
|
|
|
#include "text-types.h"
|
|
|
|
#include "core/gimp-memsize.h"
|
|
#include "core/gimp-utils.h"
|
|
#include "core/gimpmarshal.h"
|
|
#include "core/gimpstrokeoptions.h"
|
|
|
|
#include "gimptext.h"
|
|
|
|
|
|
enum
|
|
{
|
|
PROP_0,
|
|
PROP_TEXT,
|
|
PROP_MARKUP,
|
|
PROP_FONT,
|
|
PROP_FONT_SIZE,
|
|
PROP_UNIT,
|
|
PROP_ANTIALIAS,
|
|
PROP_HINT_STYLE,
|
|
PROP_KERNING,
|
|
PROP_LANGUAGE,
|
|
PROP_BASE_DIR,
|
|
PROP_COLOR,
|
|
PROP_OUTLINE,
|
|
PROP_JUSTIFICATION,
|
|
PROP_INDENTATION,
|
|
PROP_LINE_SPACING,
|
|
PROP_LETTER_SPACING,
|
|
PROP_BOX_MODE,
|
|
PROP_BOX_WIDTH,
|
|
PROP_BOX_HEIGHT,
|
|
PROP_BOX_UNIT,
|
|
PROP_TRANSFORMATION,
|
|
PROP_OFFSET_X,
|
|
PROP_OFFSET_Y,
|
|
PROP_BORDER,
|
|
/* for backward compatibility */
|
|
PROP_HINTING
|
|
};
|
|
|
|
enum
|
|
{
|
|
CHANGED,
|
|
LAST_SIGNAL
|
|
};
|
|
|
|
|
|
static void gimp_text_finalize (GObject *object);
|
|
static void gimp_text_get_property (GObject *object,
|
|
guint property_id,
|
|
GValue *value,
|
|
GParamSpec *pspec);
|
|
static void gimp_text_set_property (GObject *object,
|
|
guint property_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec);
|
|
static void gimp_text_dispatch_properties_changed (GObject *object,
|
|
guint n_pspecs,
|
|
GParamSpec **pspecs);
|
|
static gint64 gimp_text_get_memsize (GimpObject *object,
|
|
gint64 *gui_size);
|
|
|
|
|
|
G_DEFINE_TYPE_WITH_CODE (GimpText, gimp_text, GIMP_TYPE_OBJECT,
|
|
G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONFIG, NULL))
|
|
|
|
#define parent_class gimp_text_parent_class
|
|
|
|
static guint text_signals[LAST_SIGNAL] = { 0 };
|
|
|
|
|
|
static void
|
|
gimp_text_class_init (GimpTextClass *klass)
|
|
{
|
|
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
|
GimpObjectClass *gimp_object_class = GIMP_OBJECT_CLASS (klass);
|
|
GimpRGB black;
|
|
GimpMatrix2 identity;
|
|
gchar *language;
|
|
|
|
text_signals[CHANGED] =
|
|
g_signal_new ("changed",
|
|
G_TYPE_FROM_CLASS (klass),
|
|
G_SIGNAL_RUN_FIRST,
|
|
G_STRUCT_OFFSET (GimpTextClass, changed),
|
|
NULL, NULL,
|
|
gimp_marshal_VOID__VOID,
|
|
G_TYPE_NONE, 0);
|
|
|
|
object_class->finalize = gimp_text_finalize;
|
|
object_class->get_property = gimp_text_get_property;
|
|
object_class->set_property = gimp_text_set_property;
|
|
object_class->dispatch_properties_changed = gimp_text_dispatch_properties_changed;
|
|
|
|
gimp_object_class->get_memsize = gimp_text_get_memsize;
|
|
|
|
gimp_rgba_set (&black, 0.0, 0.0, 0.0, GIMP_OPACITY_OPAQUE);
|
|
gimp_matrix2_identity (&identity);
|
|
|
|
GIMP_CONFIG_PROP_STRING (object_class, PROP_TEXT,
|
|
"text",
|
|
NULL, NULL,
|
|
NULL,
|
|
GIMP_PARAM_STATIC_STRINGS);
|
|
|
|
GIMP_CONFIG_PROP_STRING (object_class, PROP_MARKUP,
|
|
"markup",
|
|
NULL, NULL,
|
|
NULL,
|
|
GIMP_PARAM_STATIC_STRINGS);
|
|
|
|
GIMP_CONFIG_PROP_STRING (object_class, PROP_FONT,
|
|
"font",
|
|
NULL, NULL,
|
|
"Sans-serif",
|
|
GIMP_PARAM_STATIC_STRINGS);
|
|
|
|
GIMP_CONFIG_PROP_DOUBLE (object_class, PROP_FONT_SIZE,
|
|
"font-size",
|
|
NULL, NULL,
|
|
0.0, 8192.0, 24.0,
|
|
GIMP_PARAM_STATIC_STRINGS);
|
|
|
|
/* We use the name "font-size-unit" for backward compatibility.
|
|
* The unit is also used for other sizes in the text object.
|
|
*/
|
|
GIMP_CONFIG_PROP_UNIT (object_class, PROP_UNIT,
|
|
"font-size-unit",
|
|
NULL, NULL,
|
|
TRUE, FALSE, GIMP_UNIT_PIXEL,
|
|
GIMP_PARAM_STATIC_STRINGS);
|
|
|
|
GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_ANTIALIAS,
|
|
"antialias",
|
|
NULL, NULL,
|
|
TRUE,
|
|
GIMP_PARAM_STATIC_STRINGS);
|
|
|
|
GIMP_CONFIG_PROP_ENUM (object_class, PROP_HINT_STYLE,
|
|
"hint-style",
|
|
NULL, NULL,
|
|
GIMP_TYPE_TEXT_HINT_STYLE,
|
|
GIMP_TEXT_HINT_STYLE_MEDIUM,
|
|
GIMP_PARAM_STATIC_STRINGS |
|
|
GIMP_CONFIG_PARAM_DEFAULTS);
|
|
|
|
GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_KERNING,
|
|
"kerning",
|
|
NULL, NULL,
|
|
FALSE,
|
|
GIMP_PARAM_STATIC_STRINGS |
|
|
GIMP_CONFIG_PARAM_DEFAULTS);
|
|
|
|
language = gimp_get_default_language (NULL);
|
|
|
|
GIMP_CONFIG_PROP_STRING (object_class, PROP_LANGUAGE,
|
|
"language",
|
|
NULL, NULL,
|
|
language,
|
|
GIMP_PARAM_STATIC_STRINGS);
|
|
|
|
g_free (language);
|
|
|
|
GIMP_CONFIG_PROP_ENUM (object_class, PROP_BASE_DIR,
|
|
"base-direction",
|
|
NULL, NULL,
|
|
GIMP_TYPE_TEXT_DIRECTION,
|
|
GIMP_TEXT_DIRECTION_LTR,
|
|
GIMP_PARAM_STATIC_STRINGS);
|
|
|
|
GIMP_CONFIG_PROP_RGB (object_class, PROP_COLOR,
|
|
"color",
|
|
NULL, NULL,
|
|
FALSE, &black,
|
|
GIMP_PARAM_STATIC_STRINGS);
|
|
|
|
GIMP_CONFIG_PROP_ENUM (object_class, PROP_OUTLINE,
|
|
"outline",
|
|
NULL, NULL,
|
|
GIMP_TYPE_TEXT_OUTLINE,
|
|
GIMP_TEXT_OUTLINE_NONE,
|
|
GIMP_PARAM_STATIC_STRINGS |
|
|
GIMP_CONFIG_PARAM_DEFAULTS);
|
|
|
|
GIMP_CONFIG_PROP_ENUM (object_class, PROP_JUSTIFICATION,
|
|
"justify",
|
|
NULL, NULL,
|
|
GIMP_TYPE_TEXT_JUSTIFICATION,
|
|
GIMP_TEXT_JUSTIFY_LEFT,
|
|
GIMP_PARAM_STATIC_STRINGS);
|
|
|
|
GIMP_CONFIG_PROP_DOUBLE (object_class, PROP_INDENTATION,
|
|
"indent",
|
|
NULL, NULL,
|
|
-8192.0, 8192.0, 0.0,
|
|
GIMP_PARAM_STATIC_STRINGS |
|
|
GIMP_CONFIG_PARAM_DEFAULTS);
|
|
|
|
GIMP_CONFIG_PROP_DOUBLE (object_class, PROP_LINE_SPACING,
|
|
"line-spacing",
|
|
NULL, NULL,
|
|
-8192.0, 8192.0, 0.0,
|
|
GIMP_PARAM_STATIC_STRINGS |
|
|
GIMP_CONFIG_PARAM_DEFAULTS);
|
|
|
|
GIMP_CONFIG_PROP_DOUBLE (object_class, PROP_LETTER_SPACING,
|
|
"letter-spacing",
|
|
NULL, NULL,
|
|
-8192.0, 8192.0, 0.0,
|
|
GIMP_PARAM_STATIC_STRINGS |
|
|
GIMP_CONFIG_PARAM_DEFAULTS);
|
|
|
|
GIMP_CONFIG_PROP_ENUM (object_class, PROP_BOX_MODE,
|
|
"box-mode",
|
|
NULL, NULL,
|
|
GIMP_TYPE_TEXT_BOX_MODE,
|
|
GIMP_TEXT_BOX_DYNAMIC,
|
|
GIMP_PARAM_STATIC_STRINGS);
|
|
|
|
GIMP_CONFIG_PROP_DOUBLE (object_class, PROP_BOX_WIDTH,
|
|
"box-width",
|
|
NULL, NULL,
|
|
0.0, GIMP_MAX_IMAGE_SIZE, 0.0,
|
|
GIMP_PARAM_STATIC_STRINGS |
|
|
GIMP_CONFIG_PARAM_DEFAULTS);
|
|
|
|
GIMP_CONFIG_PROP_DOUBLE (object_class, PROP_BOX_HEIGHT,
|
|
"box-height",
|
|
NULL, NULL,
|
|
0.0, GIMP_MAX_IMAGE_SIZE, 0.0,
|
|
GIMP_PARAM_STATIC_STRINGS |
|
|
GIMP_CONFIG_PARAM_DEFAULTS);
|
|
|
|
GIMP_CONFIG_PROP_UNIT (object_class, PROP_BOX_UNIT,
|
|
"box-unit",
|
|
NULL, NULL,
|
|
TRUE, FALSE, GIMP_UNIT_PIXEL,
|
|
GIMP_PARAM_STATIC_STRINGS);
|
|
|
|
GIMP_CONFIG_PROP_MATRIX2 (object_class, PROP_TRANSFORMATION,
|
|
"transformation",
|
|
NULL, NULL,
|
|
&identity,
|
|
GIMP_PARAM_STATIC_STRINGS |
|
|
GIMP_CONFIG_PARAM_DEFAULTS);
|
|
|
|
GIMP_CONFIG_PROP_DOUBLE (object_class, PROP_OFFSET_X,
|
|
"offset-x",
|
|
NULL, NULL,
|
|
-G_MAXDOUBLE, G_MAXDOUBLE, 0.0,
|
|
GIMP_PARAM_STATIC_STRINGS |
|
|
GIMP_CONFIG_PARAM_DEFAULTS);
|
|
|
|
GIMP_CONFIG_PROP_DOUBLE (object_class, PROP_OFFSET_Y,
|
|
"offset-y",
|
|
NULL, NULL,
|
|
-G_MAXDOUBLE, G_MAXDOUBLE, 0.0,
|
|
GIMP_PARAM_STATIC_STRINGS |
|
|
GIMP_CONFIG_PARAM_DEFAULTS);
|
|
|
|
/* border does only exist to implement the old text API */
|
|
g_object_class_install_property (object_class, PROP_BORDER,
|
|
g_param_spec_int ("border", NULL, NULL,
|
|
0, GIMP_MAX_IMAGE_SIZE, 0,
|
|
G_PARAM_CONSTRUCT |
|
|
GIMP_PARAM_WRITABLE));
|
|
|
|
/* the old hinting options have been replaced by 'hint-style' */
|
|
GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_HINTING,
|
|
"hinting",
|
|
NULL, NULL,
|
|
TRUE,
|
|
GIMP_PARAM_STATIC_STRINGS);
|
|
}
|
|
|
|
static void
|
|
gimp_text_init (GimpText *text)
|
|
{
|
|
}
|
|
|
|
static void
|
|
gimp_text_finalize (GObject *object)
|
|
{
|
|
GimpText *text = GIMP_TEXT (object);
|
|
|
|
if (text->text)
|
|
{
|
|
g_free (text->text);
|
|
text->text = NULL;
|
|
}
|
|
if (text->markup)
|
|
{
|
|
g_free (text->markup);
|
|
text->markup = NULL;
|
|
}
|
|
if (text->font)
|
|
{
|
|
g_free (text->font);
|
|
text->font = NULL;
|
|
}
|
|
if (text->language)
|
|
{
|
|
g_free (text->language);
|
|
text->language = NULL;
|
|
}
|
|
|
|
G_OBJECT_CLASS (parent_class)->finalize (object);
|
|
}
|
|
|
|
static void
|
|
gimp_text_get_property (GObject *object,
|
|
guint property_id,
|
|
GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
GimpText *text = GIMP_TEXT (object);
|
|
|
|
switch (property_id)
|
|
{
|
|
case PROP_TEXT:
|
|
g_value_set_string (value, text->text);
|
|
break;
|
|
case PROP_MARKUP:
|
|
g_value_set_string (value, text->markup);
|
|
break;
|
|
case PROP_FONT:
|
|
g_value_set_string (value, text->font);
|
|
break;
|
|
case PROP_FONT_SIZE:
|
|
g_value_set_double (value, text->font_size);
|
|
break;
|
|
case PROP_UNIT:
|
|
g_value_set_int (value, text->unit);
|
|
break;
|
|
case PROP_ANTIALIAS:
|
|
g_value_set_boolean (value, text->antialias);
|
|
break;
|
|
case PROP_HINT_STYLE:
|
|
g_value_set_enum (value, text->hint_style);
|
|
break;
|
|
case PROP_KERNING:
|
|
g_value_set_boolean (value, text->kerning);
|
|
break;
|
|
case PROP_BASE_DIR:
|
|
g_value_set_enum (value, text->base_dir);
|
|
break;
|
|
case PROP_LANGUAGE:
|
|
g_value_set_string (value, text->language);
|
|
break;
|
|
case PROP_COLOR:
|
|
g_value_set_boxed (value, &text->color);
|
|
break;
|
|
case PROP_OUTLINE:
|
|
g_value_set_enum (value, text->outline);
|
|
break;
|
|
case PROP_JUSTIFICATION:
|
|
g_value_set_enum (value, text->justify);
|
|
break;
|
|
case PROP_INDENTATION:
|
|
g_value_set_double (value, text->indent);
|
|
break;
|
|
case PROP_LINE_SPACING:
|
|
g_value_set_double (value, text->line_spacing);
|
|
break;
|
|
case PROP_LETTER_SPACING:
|
|
g_value_set_double (value, text->letter_spacing);
|
|
break;
|
|
case PROP_BOX_MODE:
|
|
g_value_set_enum (value, text->box_mode);
|
|
break;
|
|
case PROP_BOX_WIDTH:
|
|
g_value_set_double (value, text->box_width);
|
|
break;
|
|
case PROP_BOX_HEIGHT:
|
|
g_value_set_double (value, text->box_height);
|
|
break;
|
|
case PROP_BOX_UNIT:
|
|
g_value_set_int (value, text->box_unit);
|
|
break;
|
|
case PROP_TRANSFORMATION:
|
|
g_value_set_boxed (value, &text->transformation);
|
|
break;
|
|
case PROP_OFFSET_X:
|
|
g_value_set_double (value, text->offset_x);
|
|
break;
|
|
case PROP_OFFSET_Y:
|
|
g_value_set_double (value, text->offset_y);
|
|
break;
|
|
case PROP_HINTING:
|
|
g_value_set_boolean (value,
|
|
text->hint_style != GIMP_TEXT_HINT_STYLE_NONE);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gimp_text_set_property (GObject *object,
|
|
guint property_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
GimpText *text = GIMP_TEXT (object);
|
|
GimpRGB *color;
|
|
GimpMatrix2 *matrix;
|
|
|
|
switch (property_id)
|
|
{
|
|
case PROP_TEXT:
|
|
g_free (text->text);
|
|
text->text = g_value_dup_string (value);
|
|
if (text->text && text->markup)
|
|
{
|
|
g_free (text->markup);
|
|
text->markup = NULL;
|
|
g_object_notify (object, "markup");
|
|
}
|
|
break;
|
|
case PROP_MARKUP:
|
|
g_free (text->markup);
|
|
text->markup = g_value_dup_string (value);
|
|
if (text->markup && text->text)
|
|
{
|
|
g_free (text->text);
|
|
text->text = NULL;
|
|
g_object_notify (object, "text");
|
|
}
|
|
break;
|
|
case PROP_FONT:
|
|
{
|
|
const gchar *font = g_value_get_string (value);
|
|
|
|
g_free (text->font);
|
|
|
|
if (font)
|
|
{
|
|
gsize len = strlen (font);
|
|
|
|
if (g_str_has_suffix (font, " Not-Rotated"))
|
|
len -= strlen ( " Not-Rotated");
|
|
|
|
text->font = g_strndup (font, len);
|
|
}
|
|
else
|
|
{
|
|
text->font = NULL;
|
|
}
|
|
}
|
|
break;
|
|
case PROP_FONT_SIZE:
|
|
text->font_size = g_value_get_double (value);
|
|
break;
|
|
case PROP_UNIT:
|
|
text->unit = g_value_get_int (value);
|
|
break;
|
|
case PROP_ANTIALIAS:
|
|
text->antialias = g_value_get_boolean (value);
|
|
break;
|
|
case PROP_HINT_STYLE:
|
|
text->hint_style = g_value_get_enum (value);
|
|
break;
|
|
case PROP_KERNING:
|
|
text->kerning = g_value_get_boolean (value);
|
|
break;
|
|
case PROP_LANGUAGE:
|
|
g_free (text->language);
|
|
text->language = g_value_dup_string (value);
|
|
break;
|
|
case PROP_BASE_DIR:
|
|
text->base_dir = g_value_get_enum (value);
|
|
break;
|
|
case PROP_COLOR:
|
|
color = g_value_get_boxed (value);
|
|
text->color = *color;
|
|
break;
|
|
case PROP_OUTLINE:
|
|
text->outline = g_value_get_enum (value);
|
|
break;
|
|
case PROP_JUSTIFICATION:
|
|
text->justify = g_value_get_enum (value);
|
|
break;
|
|
case PROP_INDENTATION:
|
|
text->indent = g_value_get_double (value);
|
|
break;
|
|
case PROP_LINE_SPACING:
|
|
text->line_spacing = g_value_get_double (value);
|
|
break;
|
|
case PROP_LETTER_SPACING:
|
|
text->letter_spacing = g_value_get_double (value);
|
|
break;
|
|
case PROP_BOX_MODE:
|
|
text->box_mode = g_value_get_enum (value);
|
|
break;
|
|
case PROP_BOX_WIDTH:
|
|
text->box_width = g_value_get_double (value);
|
|
break;
|
|
case PROP_BOX_HEIGHT:
|
|
text->box_height = g_value_get_double (value);
|
|
break;
|
|
case PROP_BOX_UNIT:
|
|
text->box_unit = g_value_get_int (value);
|
|
break;
|
|
case PROP_TRANSFORMATION:
|
|
matrix = g_value_get_boxed (value);
|
|
text->transformation = *matrix;
|
|
break;
|
|
case PROP_OFFSET_X:
|
|
text->offset_x = g_value_get_double (value);
|
|
break;
|
|
case PROP_OFFSET_Y:
|
|
text->offset_y = g_value_get_double (value);
|
|
break;
|
|
case PROP_BORDER:
|
|
text->border = g_value_get_int (value);
|
|
break;
|
|
case PROP_HINTING:
|
|
/* interpret "hinting" only if "hint-style" has its default
|
|
* value, so we don't overwrite a serialized new hint-style with
|
|
* a compat "hinting" that is only there for old GIMP versions
|
|
*/
|
|
if (text->hint_style == GIMP_TEXT_HINT_STYLE_MEDIUM)
|
|
text->hint_style = (g_value_get_boolean (value) ?
|
|
GIMP_TEXT_HINT_STYLE_MEDIUM :
|
|
GIMP_TEXT_HINT_STYLE_NONE);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gimp_text_dispatch_properties_changed (GObject *object,
|
|
guint n_pspecs,
|
|
GParamSpec **pspecs)
|
|
{
|
|
G_OBJECT_CLASS (parent_class)->dispatch_properties_changed (object,
|
|
n_pspecs, pspecs);
|
|
|
|
g_signal_emit (object, text_signals[CHANGED], 0);
|
|
}
|
|
|
|
static gint64
|
|
gimp_text_get_memsize (GimpObject *object,
|
|
gint64 *gui_size)
|
|
{
|
|
GimpText *text = GIMP_TEXT (object);
|
|
gint64 memsize = 0;
|
|
|
|
memsize += gimp_string_get_memsize (text->text);
|
|
memsize += gimp_string_get_memsize (text->markup);
|
|
memsize += gimp_string_get_memsize (text->font);
|
|
memsize += gimp_string_get_memsize (text->language);
|
|
|
|
return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object,
|
|
gui_size);
|
|
}
|
|
|
|
void
|
|
gimp_text_get_transformation (GimpText *text,
|
|
GimpMatrix3 *matrix)
|
|
{
|
|
g_return_if_fail (GIMP_IS_TEXT (text));
|
|
g_return_if_fail (matrix != NULL);
|
|
|
|
matrix->coeff[0][0] = text->transformation.coeff[0][0];
|
|
matrix->coeff[0][1] = text->transformation.coeff[0][1];
|
|
matrix->coeff[0][2] = text->offset_x;
|
|
|
|
matrix->coeff[1][0] = text->transformation.coeff[1][0];
|
|
matrix->coeff[1][1] = text->transformation.coeff[1][1];
|
|
matrix->coeff[1][2] = text->offset_y;
|
|
|
|
matrix->coeff[2][0] = 0.0;
|
|
matrix->coeff[2][1] = 0.0;
|
|
matrix->coeff[2][2] = 1.0;
|
|
}
|