diff options
Diffstat (limited to 'app/dialogs/convert-precision-dialog.c')
| -rw-r--r-- | app/dialogs/convert-precision-dialog.c | 342 |
1 files changed, 342 insertions, 0 deletions
diff --git a/app/dialogs/convert-precision-dialog.c b/app/dialogs/convert-precision-dialog.c new file mode 100644 index 0000000..180106b --- /dev/null +++ b/app/dialogs/convert-precision-dialog.c @@ -0,0 +1,342 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * 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 <gegl.h> +#include <gtk/gtk.h> + +#include "libgimpbase/gimpbase.h" +#include "libgimpwidgets/gimpwidgets.h" + +#include "dialogs-types.h" + +#include "gegl/gimp-babl.h" + +#include "core/gimpcontext.h" +#include "core/gimpimage.h" + +#include "widgets/gimphelp-ids.h" +#include "widgets/gimpviewabledialog.h" +#include "widgets/gimpwidgets-utils.h" + +#include "convert-precision-dialog.h" + +#include "gimp-intl.h" + + +typedef struct _ConvertDialog ConvertDialog; + +struct _ConvertDialog +{ + GimpImage *image; + GimpComponentType component_type; + gboolean linear; + GeglDitherMethod layer_dither_method; + GeglDitherMethod text_layer_dither_method; + GeglDitherMethod channel_dither_method; + GimpConvertPrecisionCallback callback; + gpointer user_data; +}; + + +/* local function prototypes */ + +static void convert_precision_dialog_free (ConvertDialog *private); +static void convert_precision_dialog_response (GtkWidget *widget, + gint response_id, + ConvertDialog *private); + + +/* public functions */ + +GtkWidget * +convert_precision_dialog_new (GimpImage *image, + GimpContext *context, + GtkWidget *parent, + GimpComponentType component_type, + GeglDitherMethod layer_dither_method, + GeglDitherMethod text_layer_dither_method, + GeglDitherMethod channel_dither_method, + GimpConvertPrecisionCallback callback, + gpointer user_data) + +{ + ConvertDialog *private; + GtkWidget *dialog; + GtkWidget *main_vbox; + GtkWidget *vbox; + GtkWidget *frame; + const gchar *enum_desc; + gchar *blurb; + const Babl *old_format; + const Babl *new_format; + gint old_bits; + gint new_bits; + gboolean dither; + gboolean linear; + + g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL); + g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL); + g_return_val_if_fail (GTK_IS_WIDGET (parent), NULL); + g_return_val_if_fail (callback != NULL, NULL); + + /* random formats with the right precision */ + old_format = gimp_image_get_layer_format (image, FALSE); + new_format = gimp_babl_format (GIMP_RGB, + gimp_babl_precision (component_type, FALSE), + FALSE); + + old_bits = (babl_format_get_bytes_per_pixel (old_format) * 8 / + babl_format_get_n_components (old_format)); + new_bits = (babl_format_get_bytes_per_pixel (new_format) * 8 / + babl_format_get_n_components (new_format)); + + /* don't dither if we are converting to a higher bit depth, + * or to more than MAX_DITHER_BITS. + */ + dither = (new_bits < old_bits && + new_bits <= CONVERT_PRECISION_DIALOG_MAX_DITHER_BITS); + + /* when changing this logic, also change the same switch() + * in gimptemplateeditor.h + */ + switch (component_type) + { + case GIMP_COMPONENT_TYPE_U8: + /* default to gamma when converting 8 bit */ + linear = FALSE; + break; + + case GIMP_COMPONENT_TYPE_U16: + case GIMP_COMPONENT_TYPE_U32: + default: + /* leave gamma alone by default when converting to 16/32 bit int */ + linear = gimp_babl_format_get_linear (old_format); + break; + + case GIMP_COMPONENT_TYPE_HALF: + case GIMP_COMPONENT_TYPE_FLOAT: + case GIMP_COMPONENT_TYPE_DOUBLE: + /* default to linear when converting to floating point */ + linear = TRUE; + break; + } + + private = g_slice_new0 (ConvertDialog); + + private->image = image; + private->component_type = component_type; + private->linear = linear; + private->layer_dither_method = layer_dither_method; + private->text_layer_dither_method = text_layer_dither_method; + private->channel_dither_method = channel_dither_method; + private->callback = callback; + private->user_data = user_data; + + gimp_enum_get_value (GIMP_TYPE_COMPONENT_TYPE, component_type, + NULL, NULL, &enum_desc, NULL); + + blurb = g_strdup_printf (_("Convert Image to %s"), enum_desc); + + dialog = gimp_viewable_dialog_new (GIMP_VIEWABLE (image), context, +#if PENDING_TRANSLATION + _("Encoding Conversion"), +#endif + _("Precision Conversion"), + "gimp-image-convert-precision", + GIMP_ICON_CONVERT_PRECISION, + blurb, + parent, + gimp_standard_help_func, + GIMP_HELP_IMAGE_CONVERT_PRECISION, + + _("_Cancel"), GTK_RESPONSE_CANCEL, + _("C_onvert"), GTK_RESPONSE_OK, + + NULL); + + g_free (blurb); + + gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog), + GTK_RESPONSE_OK, + GTK_RESPONSE_CANCEL, + -1); + + gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE); + + g_object_weak_ref (G_OBJECT (dialog), + (GWeakNotify) convert_precision_dialog_free, private); + + g_signal_connect (dialog, "response", + G_CALLBACK (convert_precision_dialog_response), + private); + + main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12); + gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 12); + gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))), + main_vbox, TRUE, TRUE, 0); + gtk_widget_show (main_vbox); + + + /* gamma */ + + frame = gimp_frame_new (_("Gamma")); + gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0); + gtk_widget_show (frame); + + vbox = gimp_int_radio_group_new (FALSE, NULL, + G_CALLBACK (gimp_radio_button_update), + &private->linear, + linear, + + _("Perceptual gamma (sRGB)"), FALSE, NULL, + _("Linear light"), TRUE, NULL, + + NULL); + gtk_container_add (GTK_CONTAINER (frame), vbox); + gtk_widget_show (vbox); + + + /* dithering */ + + if (dither) + { + GtkWidget *hbox; + GtkWidget *label; + GtkWidget *combo; + GtkSizeGroup *size_group; + + frame = gimp_frame_new (_("Dithering")); + gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0); + gtk_widget_show (frame); + + vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6); + gtk_container_add (GTK_CONTAINER (frame), vbox); + gtk_widget_show (vbox); + + size_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL); + + /* layers */ + + hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6); + gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0); + gtk_widget_show (hbox); + + label = gtk_label_new_with_mnemonic (_("_Layers:")); + gtk_label_set_xalign (GTK_LABEL (label), 0.0); + gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0); + gtk_size_group_add_widget (size_group, label); + gtk_widget_show (label); + + combo = gimp_enum_combo_box_new (GEGL_TYPE_DITHER_METHOD); + gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo); + gtk_box_pack_start (GTK_BOX (hbox), combo, TRUE, TRUE, 0); + gtk_widget_show (combo); + + gimp_int_combo_box_connect (GIMP_INT_COMBO_BOX (combo), + private->layer_dither_method, + G_CALLBACK (gimp_int_combo_box_get_active), + &private->layer_dither_method); + + /* text layers */ + + hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6); + gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0); + gtk_widget_show (hbox); + + label = gtk_label_new_with_mnemonic (_("_Text Layers:")); + gtk_label_set_xalign (GTK_LABEL (label), 0.0); + gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0); + gtk_size_group_add_widget (size_group, label); + gtk_widget_show (label); + + combo = gimp_enum_combo_box_new (GEGL_TYPE_DITHER_METHOD); + gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo); + gtk_box_pack_start (GTK_BOX (hbox), combo, TRUE, TRUE, 0); + gtk_widget_show (combo); + + gimp_int_combo_box_connect (GIMP_INT_COMBO_BOX (combo), + private->text_layer_dither_method, + G_CALLBACK (gimp_int_combo_box_get_active), + &private->text_layer_dither_method); + + gimp_help_set_help_data (combo, + _("Dithering text layers will make them " + "uneditable"), + NULL); + + /* channels */ + + hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6); + gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0); + gtk_widget_show (hbox); + + label = gtk_label_new_with_mnemonic (_("_Channels and Masks:")); + gtk_label_set_xalign (GTK_LABEL (label), 0.0); + gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0); + gtk_size_group_add_widget (size_group, label); + gtk_widget_show (label); + + combo = gimp_enum_combo_box_new (GEGL_TYPE_DITHER_METHOD); + gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo); + gtk_box_pack_start (GTK_BOX (hbox), combo, TRUE, TRUE, 0); + gtk_widget_show (combo); + + gimp_int_combo_box_connect (GIMP_INT_COMBO_BOX (combo), + private->channel_dither_method, + G_CALLBACK (gimp_int_combo_box_get_active), + &private->channel_dither_method); + + g_object_unref (size_group); + } + + return dialog; +} + + +/* private functions */ + +static void +convert_precision_dialog_free (ConvertDialog *private) +{ + g_slice_free (ConvertDialog, private); +} + +static void +convert_precision_dialog_response (GtkWidget *dialog, + gint response_id, + ConvertDialog *private) +{ + if (response_id == GTK_RESPONSE_OK) + { + GimpPrecision precision = gimp_babl_precision (private->component_type, + private->linear); + + private->callback (dialog, + private->image, + precision, + private->layer_dither_method, + private->text_layer_dither_method, + private->channel_dither_method, + private->user_data); + } + else + { + gtk_widget_destroy (dialog); + } +} |