diff options
Diffstat (limited to 'frontend/pisa_image_controls.cc')
| -rw-r--r-- | frontend/pisa_image_controls.cc | 381 |
1 files changed, 381 insertions, 0 deletions
diff --git a/frontend/pisa_image_controls.cc b/frontend/pisa_image_controls.cc new file mode 100644 index 0000000..1889f1d --- /dev/null +++ b/frontend/pisa_image_controls.cc @@ -0,0 +1,381 @@ +/* + SANE EPSON backend + Copyright (C) 2001, 2005, 2008 SEIKO EPSON CORPORATION + + Date Author Reason + 06/01/2001 N.Sasaki New + + This file is part of the `iscan' program. + + 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 2 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, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + + As a special exception, the copyright holders give permission + to link the code of this program with the esmod library and + distribute linked combinations including the two. You must obey + the GNU General Public License in all respects for all of the + code used other then esmod. +*/ + +#include <config.h> + +#include "gettext.h" +#define _(msg_id) gettext (msg_id) + +/*------------------------------------------------------------*/ +#include <gtk/gtk.h> +#include <stdio.h> +#include <string.h> + +/*------------------------------------------------------------*/ +#include "pisa_view_manager.h" +#include "pisa_image_controls.h" +#include "pisa_tool.h" +#include "pisa_error.h" +#include "pisa_structs.h" +#include "pisa_default_val.h" + +/*------------------------------------------------------------*/ +static void value_changed ( GtkAdjustment * adjust, gpointer data ); + +/*------------------------------------------------------------*/ +#define ID_SCALE_GAMMA 0x0001 +#define ID_SCALE_HIGHLIGHT 0x0002 +#define ID_SCALE_SHADOW 0x0003 +#define ID_SCALE_THRESHOLD 0x0004 +#define ID_SCALE_BRIGHTNESS 0x0005 +#define ID_SCALE_CONTRAST 0x0006 + +scale_items g_scale_gamma = { ID_SCALE_GAMMA, 0, 0, + ( GtkSignalFunc * ) value_changed, + DEFGAMMA, + MINGAMMA, + MAXGAMMA, + LINEGAMMA, + PAGEGAMMA }; +scale_items g_scale_highlight = { ID_SCALE_HIGHLIGHT, 0, 0, + ( GtkSignalFunc * ) value_changed, + DEFHIGHLIGHT, + MINHIGHLIGHT, + MAXHIGHLIGHT, + LINEHIGHLIGHT, + PAGEHIGHLIGHT }; +scale_items g_scale_shadow = { ID_SCALE_SHADOW, 0, 0, + ( GtkSignalFunc * ) value_changed, + DEFSHADOW, + MINSHADOW, + MAXSHADOW, + LINESHADOW, + PAGESHADOW }; +scale_items g_scale_threshold = { ID_SCALE_THRESHOLD, 0, 0, + ( GtkSignalFunc * ) value_changed, + DEFTHRESHOLD, + MINTHRESHOLD, + MAXTHRESHOLD, + LINETHRESHOLD, + PAGETHRESHOLD }; +scale_items g_scale_brightness = { ID_SCALE_BRIGHTNESS, 0, 0, + ( GtkSignalFunc * ) value_changed, + 0, /* get value from backend */ + 0, /* get range.max from backend */ + 0, /* get range.min from backend */ + 0, /* get range.quant from backend */ + 0 }; +scale_items g_scale_contrast = { ID_SCALE_CONTRAST, 0, 0, + ( GtkSignalFunc * ) value_changed, + 0, /* get value from backend */ + 0, /* get range.max from backend */ + 0, /* get range.min from backend */ + 0, /* get range.quant from backend */ + 0 }; + +/*------------------------------------------------------------*/ + +static void value_changed ( GtkAdjustment * adjust, gpointer data ) +{ + long id; + long val; + int change; + marquee * marq; + + id = * ( long * ) data; + change = 1; + marq = & g_view_manager->get_marquee (); + + switch ( id ) + { + case ID_SCALE_GAMMA: + val = ( long ) ( adjust->value * 100 ); + if ( marq->gamma == val ) + change = 0; + else + marq->gamma = val; + break; + + case ID_SCALE_HIGHLIGHT: + val = ( long ) ( adjust->value ); + if ( marq->highlight == val ) + change = 0; + else + marq->highlight = val; + break; + + case ID_SCALE_SHADOW: + val = ( long ) ( adjust->value ); + if ( marq->shadow == val ) + change = 0; + else + marq->shadow = val; + break; + + case ID_SCALE_THRESHOLD: + val = ( long ) ( adjust->value ); + if ( marq->threshold == val ) + change = 0; + else + marq->threshold = val; + break; + + case ID_SCALE_BRIGHTNESS: + val = ( long ) ( adjust->value ); + if ( marq->brightness != val ) + { + marq->brightness = val; + } + change = 0; + break; + + case ID_SCALE_CONTRAST: + val = ( long ) ( adjust->value ); + if ( marq->contrast != val ) + { + marq->contrast = val; + } + change = 0; + break; + } + + if ( change ) + { + ::g_view_manager->update_lut ( ); + preview_window *prev_cls = + (preview_window *) ::g_view_manager->get_window_cls (ID_WINDOW_PREV); + + prev_cls->update_img ( ); + } +} + +/*------------------------------------------------------------*/ +void image_controls::sensitive ( int is_prev_img ) +{ + marquee * marq; + gboolean enable_color, enable_bw; + gboolean enable_brightness_contrast; + scan_manager * scan_mgr; + + scan_mgr = g_view_manager->get_scan_manager (); + + marq = & g_view_manager->get_marquee (); + + // update value + ::gtk_adjustment_set_value ( ::g_scale_gamma.adjust, marq->gamma / 100.0f ); + ::gtk_adjustment_set_value ( ::g_scale_highlight.adjust, marq->highlight ); + ::gtk_adjustment_set_value ( ::g_scale_shadow.adjust, marq->shadow ); + ::gtk_adjustment_set_value ( ::g_scale_threshold.adjust, marq->threshold ); + ::gtk_adjustment_set_value ( ::g_scale_brightness.adjust, marq->brightness ); + ::gtk_adjustment_set_value ( ::g_scale_contrast.adjust, marq->contrast ); + + // grayout + if ( is_prev_img + && g_view_manager->get_settings ().imgtype.pixeltype != PISA_PT_BW ) + enable_color = TRUE; + else + enable_color = FALSE; + + if ( is_prev_img + && g_view_manager->get_settings ().imgtype.pixeltype == PISA_PT_BW ) + enable_bw = TRUE; + else + enable_bw = FALSE; + + ::gtk_widget_set_sensitive ( ::g_scale_gamma.widget, enable_color ); + ::gtk_widget_set_sensitive ( ::g_scale_highlight.widget, enable_color ); + ::gtk_widget_set_sensitive ( ::g_scale_shadow.widget, enable_color ); + ::gtk_widget_set_sensitive ( ::g_scale_threshold.widget, enable_bw ); + + // reset brightness, contrast + enable_brightness_contrast = TRUE; + if ( is_prev_img ) + { + ::gtk_range_set_value ( GTK_RANGE (::g_scale_brightness.widget ), + brightness_default ); + ::gtk_range_set_value ( GTK_RANGE (::g_scale_contrast.widget ), + contrast_default ); + enable_brightness_contrast = FALSE; + } + ::gtk_widget_set_sensitive ( ::g_scale_brightness.widget, + ( enable_brightness_contrast + && scan_mgr->has_brightness() ) ); + ::gtk_widget_set_sensitive ( ::g_scale_contrast.widget, + ( enable_brightness_contrast + && scan_mgr->has_contrast() ) ); +} + +/*------------------------------------------------------------*/ +GtkWidget * image_controls::create_controls ( void ) +{ + GtkWidget * vbox; + GtkWidget * table; + GtkWidget * label; + GtkWidget * scale; + GtkWidget * separator; + scan_manager * scan_mgr; + + scan_mgr = g_view_manager->get_scan_manager (); + + table = ::gtk_table_new ( 4, 2, FALSE ); + ::gtk_container_border_width ( GTK_CONTAINER ( table ), 5 ); + ::gtk_table_set_row_spacings ( GTK_TABLE ( table ), 3 ); + ::gtk_table_set_col_spacings ( GTK_TABLE ( table ), 5 ); + + // gamma + label = ::gtk_label_new ( _( "Gamma:" ) ); + ::gtk_misc_set_alignment ( GTK_MISC ( label ), 1.0, 0.5 ); + ::gtk_table_attach ( GTK_TABLE ( table ), label, 0, 1, 0, 1, + GTK_FILL, GTK_FILL, 0, 0 ); + ::gtk_widget_show ( label ); + + scale = ::pisa_create_scale ( & ::g_scale_gamma ); + ::gtk_widget_set_usize ( scale, 200, -1 ); + ::gtk_scale_set_digits ( GTK_SCALE ( scale ), 2 ); + ::gtk_range_set_update_policy ( GTK_RANGE ( scale ), GTK_UPDATE_DELAYED ); + ::gtk_table_attach ( GTK_TABLE ( table ), scale, 1, 2, 0, 1, + GTK_FILL, GTK_FILL, 0, 0 ); + ::gtk_widget_show ( scale ); + + // highlight + label = ::gtk_label_new ( _( "Highlight:" ) ); + ::gtk_misc_set_alignment ( GTK_MISC ( label ), 1.0, 0.5 ); + ::gtk_table_attach ( GTK_TABLE ( table ), label, 0, 1, 1, 2, + GTK_FILL, GTK_FILL, 0, 0 ); + ::gtk_widget_show ( label ); + + scale = ::pisa_create_scale ( & ::g_scale_highlight ); + ::gtk_widget_set_usize ( scale, 200, -1 ); + ::gtk_scale_set_digits ( GTK_SCALE ( scale ), 0 ); + ::gtk_range_set_update_policy ( GTK_RANGE ( scale ), GTK_UPDATE_DELAYED ); + ::gtk_table_attach ( GTK_TABLE ( table ), scale, 1, 2, 1, 2, + GTK_FILL, GTK_FILL, 0, 0 ); + ::gtk_widget_show ( scale ); + + // shadow + label = ::gtk_label_new ( _( "Shadow:" ) ); + ::gtk_misc_set_alignment ( GTK_MISC ( label ), 1.0, 0.5 ); + ::gtk_table_attach ( GTK_TABLE ( table ), label, 0, 1, 2, 3, + GTK_FILL, GTK_FILL, 0, 0 ); + ::gtk_widget_show ( label ); + + scale = pisa_create_scale ( & ::g_scale_shadow ); + ::gtk_widget_set_usize ( scale, 200, -1 ); + ::gtk_scale_set_digits ( GTK_SCALE ( scale ), 0 ); + ::gtk_range_set_update_policy ( GTK_RANGE ( scale ), GTK_UPDATE_DELAYED ); + ::gtk_table_attach ( GTK_TABLE ( table ), scale, 1, 2, 2, 3, + GTK_FILL, GTK_FILL, 0, 0 ); + ::gtk_widget_show ( scale ); + + // threshold + label = ::gtk_label_new ( _( "Threshold:" ) ); + ::gtk_misc_set_alignment ( GTK_MISC ( label ), 1.0, 0.5 ); + ::gtk_table_attach ( GTK_TABLE ( table ), label, 0, 1, 3, 4, + GTK_FILL, GTK_FILL, 0, 0 ); + ::gtk_widget_show ( label ); + + scale = pisa_create_scale ( & ::g_scale_threshold ); + ::gtk_widget_set_usize ( scale, 200, -1 ); + ::gtk_scale_set_digits ( GTK_SCALE ( scale ), 0 ); + ::gtk_range_set_update_policy ( GTK_RANGE ( scale ), GTK_UPDATE_DELAYED ); + ::gtk_table_attach ( GTK_TABLE ( table ), scale, 1, 2, 3, 4, + GTK_FILL, GTK_FILL, 0, 0 ); + ::gtk_widget_show ( scale ); + + ::gtk_widget_show ( table ); + + vbox = gtk_vbox_new (false, 5); + gtk_box_pack_start (GTK_BOX (vbox), table, false, false, 0); + + separator = ::gtk_hseparator_new ( ); + ::gtk_box_pack_start ( GTK_BOX ( vbox ), separator, FALSE, FALSE, 2 ); + ::gtk_widget_show ( separator ); + + // new table + table = ::gtk_table_new ( 2, 2, FALSE ); + ::gtk_container_border_width ( GTK_CONTAINER ( table ), 5 ); + ::gtk_table_set_row_spacings ( GTK_TABLE ( table ), 3 ); + ::gtk_table_set_col_spacings ( GTK_TABLE ( table ), 5 ); + + // Set brightness-method before you get brightness. + scan_mgr->set_brightness_method(br_iscan); + + // brightness + label = ::gtk_label_new ( _( "Brightness:" ) ); + ::gtk_misc_set_alignment ( GTK_MISC ( label ), 1.0, 0.5 ); + ::gtk_table_attach ( GTK_TABLE ( table ), label, 0, 1, 0, 1, + GTK_FILL, GTK_FILL, 0, 0 ); + ::gtk_widget_show ( label ); + + scan_mgr->get_value (SANE_NAME_BRIGHTNESS, &g_scale_brightness.val); + scan_mgr->get_range (SANE_NAME_BRIGHTNESS, + &g_scale_brightness.max, + &g_scale_brightness.min, + &g_scale_brightness.step); + g_scale_brightness.page = g_scale_brightness.step * 5; + brightness_default = g_scale_brightness.val; + + scale = pisa_create_scale ( & ::g_scale_brightness ); + ::gtk_widget_set_usize ( scale, 200, -1 ); + ::gtk_scale_set_digits ( GTK_SCALE ( scale ), 0 ); + ::gtk_range_set_update_policy ( GTK_RANGE ( scale ), GTK_UPDATE_DELAYED ); + ::gtk_table_attach ( GTK_TABLE ( table ), scale, 1, 2, 0, 1, + GTK_FILL, GTK_FILL, 0, 0 ); + ::gtk_widget_show ( scale ); + + // contrast + label = ::gtk_label_new ( _( "Contrast:" ) ); + ::gtk_misc_set_alignment ( GTK_MISC ( label ), 1.0, 0.5 ); + ::gtk_table_attach ( GTK_TABLE ( table ), label, 0, 1, 1, 2, + GTK_FILL, GTK_FILL, 0, 0 ); + ::gtk_widget_show ( label ); + + scan_mgr->get_value (SANE_NAME_CONTRAST, &g_scale_contrast.val); + scan_mgr->get_range (SANE_NAME_CONTRAST, + &g_scale_contrast.max, + &g_scale_contrast.min, + &g_scale_contrast.step); + g_scale_contrast.page = g_scale_contrast.step * 5; + contrast_default = g_scale_contrast.val; + + scale = pisa_create_scale ( & ::g_scale_contrast ); + ::gtk_widget_set_usize ( scale, 200, -1 ); + ::gtk_scale_set_digits ( GTK_SCALE ( scale ), 0 ); + ::gtk_range_set_update_policy ( GTK_RANGE ( scale ), GTK_UPDATE_DELAYED ); + ::gtk_table_attach ( GTK_TABLE ( table ), scale, 1, 2, 1, 2, + GTK_FILL, GTK_FILL, 0, 0 ); + ::gtk_widget_show ( scale ); + + ::gtk_widget_show ( table ); + + gtk_box_pack_start (GTK_BOX (vbox), table, false, false, 0); + + return vbox; +} |