summaryrefslogtreecommitdiff
path: root/src/xsane-preview.h
diff options
context:
space:
mode:
authorKevin Dalley <kevind@rahul.net>2002-03-15 14:20:02 +0000
committerMattia Rizzolo <mattia@mapreri.org>2014-10-03 14:05:02 +0000
commitac8459519a9ef2a1ee635509b52a653da1bfe9d5 (patch)
tree9ed2df2144d6ad3bb7cf1d43243d815a8eb90059 /src/xsane-preview.h
parent8b372c9248930ae29763202121434d3d676d0f30 (diff)
parente7e90b72fd3161c5d55fed49e100781dfa3e9408 (diff)
Imported Debian patch 0.84-2debian/0.84-2
Diffstat (limited to 'src/xsane-preview.h')
-rw-r--r--src/xsane-preview.h202
1 files changed, 202 insertions, 0 deletions
diff --git a/src/xsane-preview.h b/src/xsane-preview.h
new file mode 100644
index 0000000..ba1321c
--- /dev/null
+++ b/src/xsane-preview.h
@@ -0,0 +1,202 @@
+/* xsane -- a graphical (X11, gtk) scanner-oriented SANE frontend
+
+ xsane-preview.h
+
+ Oliver Rauch <Oliver.Rauch@rauch-domain.de>
+ Copyright (C) 1998-2002 Oliver Rauch
+ This file is part of the XSANE package.
+
+ 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. */
+
+/* ------------------------------------------------------------------------------------------------------ */
+
+#ifndef xsanepreview_h
+#define xsanepreview_h
+
+/* ------------------------------------------------------------------------------------------------------ */
+
+#include <sys/types.h>
+#include <sane/sane.h>
+
+#define SELECTION_RANGE_IN 4
+#define SELECTION_RANGE_OUT 8
+#define XSANE_CURSOR_PREVIEW GDK_LEFT_PTR
+
+/* ------------------------------------------------------------------------------------------------------ */
+
+enum
+{
+ MODE_NORMAL,
+ MODE_PIPETTE_WHITE,
+ MODE_PIPETTE_GRAY,
+ MODE_PIPETTE_BLACK
+};
+
+/* ------------------------------------------------------------------------------------------------------ */
+
+typedef struct Batch_selection
+{
+ float coordinate[4]; /* batch selection coordinate (device coord) */
+ struct Batch_selection *next;
+} Batch_selection;
+
+typedef struct
+{
+ int active;
+ float coordinate[4]; /* selection coordinate (device coord) */
+} Tselection;
+
+/* ------------------------------------------------------------------------------------------------------ */
+
+typedef struct
+{
+ int mode;
+ int calibration;
+ int startimage;
+
+ int cursornr;
+
+ guint hold_timer;
+
+ char *filename[3]; /* filenames for preview level 0,1,2 */
+
+ SANE_Value_Type surface_type;
+ SANE_Unit surface_unit;
+ float orig_scanner_surface[4];/* the scanner defined corners of the scanner surface (device coords) */
+ float image_surface[4]; /* the corners of the surface (device coords) of the scanned image */
+ float max_scanner_surface[4]; /* rotated corners of the scanner surface (window coords) */
+ float preset_surface[4]; /* the corners of the reduced (by user) surface (window coords) */
+ float scanner_surface[4]; /* the user defined corners of the scanner surface (window coords) */
+ float surface[4]; /* the corners of the selected surface (window coords) */
+ float old_surface[4]; /* the corners of the old selected surface (window coords) */
+ float aspect; /* the aspect ratio of the scan surface */
+
+ float maximum_output_width; /* maximum output width (photocopy) */
+ float maximum_output_height; /* maximum output height (photocopy) */
+
+ int index_xmin, index_xmax, index_ymin, index_ymax; /* index numbers in dependance of p->rotation */
+
+ int saved_dpi_valid;
+ int saved_dpi_x_valid;
+ int saved_dpi_y_valid;
+ SANE_Word saved_dpi;
+ SANE_Word saved_dpi_x;
+ SANE_Word saved_dpi_y;
+ int saved_coord_valid[4];
+ SANE_Word saved_coord[4];
+ int saved_custom_gamma_valid;
+ SANE_Word saved_custom_gamma;
+ int saved_bit_depth_valid;
+ SANE_Word saved_bit_depth;
+ int saved_scanmode_valid;
+ char saved_scanmode[64]; /* I hope that is enough or we will get segaults or strange effects */
+
+ /* desired/user-selected preview-window size: */
+ int preview_width; /* used with for displaying the preview image */
+ int preview_height; /* used height for displaying the preview image */
+ int preview_window_width; /* width of the preview window */
+ int preview_window_height; /* height of the preview window */
+ u_char *preview_row;
+
+ int scanning;
+ int scan_incomplete;
+ int invalid;
+ int preview_colors;
+ time_t image_last_time_updated;
+ gint input_tag;
+ SANE_Parameters params;
+ int image_offset;
+ int image_x;
+ int image_y;
+ int image_width; /* width of preview image in pixels */
+ int image_height; /* height of preview image in pixel lines */
+ int rotation; /* rotation: 0=0, 1=90, 2=180, 3=270 degree, 4-7= rotation + mirror in x direction */
+ int gamma_functions_interruptable; /* bit that defines if gamma function can be interrupted */
+ guint16 *image_data_raw; /* 3 * image_width * image_height bytes * 2 */
+ u_char *image_data_enh; /* 3 * image_width * image_height bytes */
+
+ GdkGC *gc_selection;
+ GdkGC *gc_selection_maximum;
+ int selection_drag;
+ int selection_drag_edge;
+ int selection_xpos;
+ int selection_ypos;
+ int selection_xedge;
+ int selection_yedge;
+
+ Tselection selection; /* selected area to scan */
+ Tselection previous_selection; /* previous ... */
+ Tselection selection_maximum; /* maximum selection size (photocopy) */
+ Tselection previous_selection_maximum; /* previous ... */
+
+ int show_selection;
+
+ Batch_selection *batch_selection;
+
+ GtkWidget *top; /* top-level widget */
+ GtkWidget *unit_label;
+ GtkWidget *hruler;
+ GtkWidget *vruler;
+ GtkWidget *viewport;
+ GtkWidget *window; /* the preview window */
+ GtkWidget *start; /* the start button */
+ GtkWidget *cancel; /* the cancel button */
+
+ GtkWidget *button_box; /* hbox for the following buttons */
+ GtkWidget *pipette_white; /* pipette white button */
+ GtkWidget *pipette_gray; /* pipette gray button */
+ GtkWidget *pipette_black; /* pipette black button */
+ GtkWidget *zoom_not; /* zoom not button */
+ GtkWidget *zoom_out; /* zoom out button */
+ GtkWidget *zoom_in; /* zoom in button */
+ GtkWidget *zoom_undo; /* zoom undo button */
+ GtkWidget *full_area; /* select full scanarea */
+ GtkWidget *autoselect; /* autoselect scanarea */
+ GtkWidget *preset_area_option_menu; /* menu for selection of preview area */
+ GtkWidget *rotation_option_menu; /* menu for selection of rotation */
+ GtkWidget *scanning_pixmap; /* pixmap that shows preview is in scanning progress */
+ GtkWidget *valid_pixmap; /* pixmap that shows preview is valid */
+ GtkWidget *invalid_pixmap; /* pixmap that shows preview is invalid */
+ GtkWidget *incomplete_pixmap; /* pixmap that shows preview is incomplete */
+}
+Preview;
+
+/* ------------------------------------------------------------------------------------------------------ */
+
+extern Preview *preview_new(void); /* Create a new preview based on the info in DIALOG. */
+extern void preview_generate_preview_filenames(Preview *p); /* create new preview filenames */
+
+extern void preview_gamma_correction(Preview *p, int gamma_input_bits,
+ u_char *gamma_red, u_char *gamma_green, u_char *gamma_blue,
+ u_char *gamma_red_hist, u_char *gamma_green_hist, u_char *gamma_blue_hist,
+ u_char *medium_gamma_red_hist, u_char *medium_gamma_green_hist, u_char *medium_gamma_blue_hist);
+
+extern void preview_update_surface(Preview *p, int surface_changed); /* params changed: update preview */
+
+extern void preview_scan(Preview *p); /* Acquire a preview image and display it. */
+
+extern void preview_destroy(Preview *p); /* Destroy a preview. */
+
+extern void preview_calculate_raw_histogram(Preview *p, SANE_Int *count_raw, SANE_Int *count_raw_red, SANE_Int *count_raw_green, SANE_Int *count_raw_blue);
+extern void preview_calculate_enh_histogram(Preview *p, SANE_Int *count, SANE_Int *count_red, SANE_Int *count_green, SANE_Int *count_blue);
+
+extern void preview_area_resize(Preview *p); /* redraw preview rulers */
+extern void preview_set_maximum_output_size(Preview *p, float width, float height); /* set maximum outut size */
+extern void preview_select_full_preview_area(Preview *p);
+extern void preview_display_valid(Preview *p);
+
+/* ------------------------------------------------------------------------------------------------------ */
+
+#endif /* preview_h */