diff options
Diffstat (limited to 'app/text/gimptext.c')
| -rw-r--r-- | app/text/gimptext.c | 596 |
1 files changed, 596 insertions, 0 deletions
diff --git a/app/text/gimptext.c b/app/text/gimptext.c new file mode 100644 index 0000000..fe671a4 --- /dev/null +++ b/app/text/gimptext.c @@ -0,0 +1,596 @@ +/* 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 <https://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); + + g_clear_pointer (&text->text, g_free); + g_clear_pointer (&text->markup, g_free); + g_clear_pointer (&text->font, g_free); + g_clear_pointer (&text->language, g_free); + + 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_clear_pointer (&text->markup, g_free); + 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_clear_pointer (&text->text, g_free); + 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; +} |