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Diffstat (limited to '')
| -rw-r--r-- | plug-ins/common/grid.c | 1011 |
1 files changed, 1011 insertions, 0 deletions
diff --git a/plug-ins/common/grid.c b/plug-ins/common/grid.c new file mode 100644 index 0000000..7abdf2f --- /dev/null +++ b/plug-ins/common/grid.c @@ -0,0 +1,1011 @@ +/* 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/>. + */ + +/* Original plug-in coded by Tim Newsome. + * + * Changed to make use of real-life units by Sven Neumann <sven@gimp.org>. + * + * The interface code is heavily commented in the hope that it will + * help other plug-in developers to adapt their plug-ins to make use + * of the gimp_size_entry functionality. + * + * Note: There is a convenience constructor called gimp_coordinetes_new () + * which simplifies the task of setting up a standard X,Y sizeentry. + * + * For more info and bugs see libgimp/gimpsizeentry.h and libgimp/gimpwidgets.h + * + * May 2000 tim copperfield [timecop@japan.co.jp] + * http://www.ne.jp/asahi/linux/timecop + * Added dynamic preview. Due to weird implementation of signals from all + * controls, preview will not auto-update. But this plugin isn't really + * crying for real-time updating either. + * + */ + +#include "config.h" + +#include <string.h> + +#include <libgimp/gimp.h> +#include <libgimp/gimpui.h> + +#include "libgimp/stdplugins-intl.h" + + +#define PLUG_IN_PROC "plug-in-grid" +#define PLUG_IN_BINARY "grid" +#define PLUG_IN_ROLE "gimp-grid" +#define SPIN_BUTTON_WIDTH 8 +#define COLOR_BUTTON_WIDTH 55 + + +/* Declare local functions. */ +static void query (void); +static void run (const gchar *name, + gint nparams, + const GimpParam *param, + gint *nreturn_vals, + GimpParam **return_vals); + +static guchar best_cmap_match (const guchar *cmap, + gint ncolors, + const GimpRGB *color); +static void grid (gint32 image_ID, + gint32 drawable_ID, + GimpPreview *preview); +static gint dialog (gint32 image_ID, + gint32 drawable_ID); + +const GimpPlugInInfo PLUG_IN_INFO = +{ + NULL, /* init_proc */ + NULL, /* quit_proc */ + query, /* query_proc */ + run, /* run_proc */ +}; + +static gint sx1, sy1, sx2, sy2; + +static GtkWidget *main_dialog = NULL; +static GtkWidget *hcolor_button = NULL; +static GtkWidget *vcolor_button = NULL; + +typedef struct +{ + gint hwidth; + gint hspace; + gint hoffset; + GimpRGB hcolor; + gint vwidth; + gint vspace; + gint voffset; + GimpRGB vcolor; + gint iwidth; + gint ispace; + gint ioffset; + GimpRGB icolor; +} Config; + +static Config grid_cfg = +{ + 1, 16, 8, { 0.0, 0.0, 0.0, 1.0 }, /* horizontal */ + 1, 16, 8, { 0.0, 0.0, 0.0, 1.0 }, /* vertical */ + 0, 2, 6, { 0.0, 0.0, 0.0, 1.0 }, /* intersection */ +}; + + +MAIN () + +static +void query (void) +{ + static const GimpParamDef args[] = + { + { GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0), RUN-NONINTERACTIVE (1) }" }, + { GIMP_PDB_IMAGE, "image", "Input image" }, + { GIMP_PDB_DRAWABLE, "drawable", "Input drawable" }, + + { GIMP_PDB_INT32, "hwidth", "Horizontal Width (>= 0)" }, + { GIMP_PDB_INT32, "hspace", "Horizontal Spacing (>= 1)" }, + { GIMP_PDB_INT32, "hoffset", "Horizontal Offset (>= 0)" }, + { GIMP_PDB_COLOR, "hcolor", "Horizontal Colour" }, + { GIMP_PDB_INT8, "hopacity", "Horizontal Opacity (0...255)" }, + + { GIMP_PDB_INT32, "vwidth", "Vertical Width (>= 0)" }, + { GIMP_PDB_INT32, "vspace", "Vertical Spacing (>= 1)" }, + { GIMP_PDB_INT32, "voffset", "Vertical Offset (>= 0)" }, + { GIMP_PDB_COLOR, "vcolor", "Vertical Colour" }, + { GIMP_PDB_INT8, "vopacity", "Vertical Opacity (0...255)" }, + + { GIMP_PDB_INT32, "iwidth", "Intersection Width (>= 0)" }, + { GIMP_PDB_INT32, "ispace", "Intersection Spacing (>= 0)" }, + { GIMP_PDB_INT32, "ioffset", "Intersection Offset (>= 0)" }, + { GIMP_PDB_COLOR, "icolor", "Intersection Colour" }, + { GIMP_PDB_INT8, "iopacity", "Intersection Opacity (0...255)" } + }; + + gimp_install_procedure (PLUG_IN_PROC, + N_("Draw a grid on the image"), + "Draws a grid using the specified colors. " + "The grid origin is the upper left corner.", + "Tim Newsome", + "Tim Newsome, Sven Neumann, Tom Rathborne, TC", + "1997 - 2000", + N_("_Grid (legacy)..."), + "RGB*, GRAY*, INDEXED*", + GIMP_PLUGIN, + G_N_ELEMENTS (args), 0, + args, NULL); + + gimp_plugin_menu_register (PLUG_IN_PROC, "<Image>/Filters/Render/Pattern"); +} + +static void +run (const gchar *name, + gint n_params, + const GimpParam *param, + gint *nreturn_vals, + GimpParam **return_vals) +{ + static GimpParam values[1]; + gint32 image_ID; + gint32 drawable_ID; + GimpRunMode run_mode; + GimpPDBStatusType status = GIMP_PDB_SUCCESS; + + INIT_I18N (); + gegl_init (NULL, NULL); + + *nreturn_vals = 1; + *return_vals = values; + + run_mode = param[0].data.d_int32; + image_ID = param[1].data.d_int32; + drawable_ID = param[2].data.d_drawable; + + if (run_mode == GIMP_RUN_NONINTERACTIVE) + { + if (n_params != 18) + status = GIMP_PDB_CALLING_ERROR; + + if (status == GIMP_PDB_SUCCESS) + { + grid_cfg.hwidth = MAX (0, param[3].data.d_int32); + grid_cfg.hspace = MAX (1, param[4].data.d_int32); + grid_cfg.hoffset = MAX (0, param[5].data.d_int32); + grid_cfg.hcolor = param[6].data.d_color; + + gimp_rgb_set_alpha (&(grid_cfg.hcolor), + ((double) param[7].data.d_int8) / 255.0); + + + grid_cfg.vwidth = MAX (0, param[8].data.d_int32); + grid_cfg.vspace = MAX (1, param[9].data.d_int32); + grid_cfg.voffset = MAX (0, param[10].data.d_int32); + grid_cfg.vcolor = param[11].data.d_color; + + gimp_rgb_set_alpha (&(grid_cfg.vcolor), + ((double) param[12].data.d_int8) / 255.0); + + + + grid_cfg.iwidth = MAX (0, param[13].data.d_int32); + grid_cfg.ispace = MAX (0, param[14].data.d_int32); + grid_cfg.ioffset = MAX (0, param[15].data.d_int32); + grid_cfg.icolor = param[16].data.d_color; + + gimp_rgb_set_alpha (&(grid_cfg.icolor), + ((double) (guint) param[17].data.d_int8) / 255.0); + + + } + } + else + { + gimp_context_get_foreground (&grid_cfg.hcolor); + grid_cfg.vcolor = grid_cfg.icolor = grid_cfg.hcolor; + + /* Possibly retrieve data */ + gimp_get_data (PLUG_IN_PROC, &grid_cfg); + } + + if (run_mode == GIMP_RUN_INTERACTIVE) + { + if (! dialog (image_ID, drawable_ID)) + { + /* The dialog was closed, or something similarly evil happened. */ + status = GIMP_PDB_EXECUTION_ERROR; + } + } + + if (grid_cfg.hspace <= 0 || grid_cfg.vspace <= 0) + { + status = GIMP_PDB_EXECUTION_ERROR; + } + + if (status == GIMP_PDB_SUCCESS) + { + gimp_progress_init (_("Drawing grid")); + + grid (image_ID, drawable_ID, NULL); + + if (run_mode != GIMP_RUN_NONINTERACTIVE) + gimp_displays_flush (); + + if (run_mode == GIMP_RUN_INTERACTIVE) + gimp_set_data (PLUG_IN_PROC, &grid_cfg, sizeof (grid_cfg)); + } + + values[0].type = GIMP_PDB_STATUS; + values[0].data.d_status = status; +} + + +#define MAXDIFF 195076 + +static guchar +best_cmap_match (const guchar *cmap, + gint ncolors, + const GimpRGB *color) +{ + guchar cmap_index = 0; + gint max = MAXDIFF; + gint i, diff, sum; + guchar r, g, b; + + gimp_rgb_get_uchar (color, &r, &g, &b); + + for (i = 0; i < ncolors; i++) + { + diff = r - *cmap++; + sum = SQR (diff); + diff = g - *cmap++; + sum += SQR (diff); + diff = b - *cmap++; + sum += SQR (diff); + + if (sum < max) + { + cmap_index = i; + max = sum; + } + } + + return cmap_index; +} + +static inline void +pix_composite (guchar *p1, + guchar p2[4], + gint bytes, + gboolean blend, + gboolean alpha) +{ + gint b; + + if (blend) + { + if (alpha) + bytes--; + + for (b = 0; b < bytes; b++) + { + *p1 = *p1 * (1.0 - p2[3]/255.0) + p2[b] * p2[3]/255.0; + p1++; + } + } + else + { + /* blend should only be TRUE for indexed (bytes == 1) */ + *p1++ = *p2; + } + + if (alpha && *p1 < 255) + { + b = *p1 + 255.0 * ((gdouble) p2[3] / (255.0 - *p1)); + + *p1 = b > 255 ? 255 : b; + } +} + +static void +grid (gint32 image_ID, + gint32 drawable_ID, + GimpPreview *preview) +{ + GeglBuffer *src_buffer; + GeglBuffer *dest_buffer; + const Babl *format; + gint bytes; + gint x_offset; + gint y_offset; + guchar *dest; + guchar *buffer = NULL; + gint x, y; + gboolean alpha; + gboolean blend; + guchar hcolor[4]; + guchar vcolor[4]; + guchar icolor[4]; + guchar *cmap; + gint ncolors; + + gimp_rgba_get_uchar (&grid_cfg.hcolor, + hcolor, hcolor + 1, hcolor + 2, hcolor + 3); + gimp_rgba_get_uchar (&grid_cfg.vcolor, + vcolor, vcolor + 1, vcolor + 2, vcolor + 3); + gimp_rgba_get_uchar (&grid_cfg.icolor, + icolor, icolor + 1, icolor + 2, icolor + 3); + + alpha = gimp_drawable_has_alpha (drawable_ID); + + switch (gimp_image_base_type (image_ID)) + { + case GIMP_RGB: + blend = TRUE; + + if (alpha) + format = babl_format ("R'G'B'A u8"); + else + format = babl_format ("R'G'B' u8"); + break; + + case GIMP_GRAY: + hcolor[0] = gimp_rgb_luminance_uchar (&grid_cfg.hcolor); + vcolor[0] = gimp_rgb_luminance_uchar (&grid_cfg.vcolor); + icolor[0] = gimp_rgb_luminance_uchar (&grid_cfg.icolor); + blend = TRUE; + + if (alpha) + format = babl_format ("Y'A u8"); + else + format = babl_format ("Y' u8"); + break; + + case GIMP_INDEXED: + cmap = gimp_image_get_colormap (image_ID, &ncolors); + + hcolor[0] = best_cmap_match (cmap, ncolors, &grid_cfg.hcolor); + vcolor[0] = best_cmap_match (cmap, ncolors, &grid_cfg.vcolor); + icolor[0] = best_cmap_match (cmap, ncolors, &grid_cfg.icolor); + + g_free (cmap); + blend = FALSE; + + format = gimp_drawable_get_format (drawable_ID); + break; + + default: + g_assert_not_reached (); + blend = FALSE; + } + + bytes = babl_format_get_bytes_per_pixel (format); + + if (preview) + { + gimp_preview_get_position (preview, &sx1, &sy1); + gimp_preview_get_size (preview, &sx2, &sy2); + + buffer = g_new (guchar, bytes * sx2 * sy2); + + sx2 += sx1; + sy2 += sy1; + } + else + { + gint w, h; + + if (! gimp_drawable_mask_intersect (drawable_ID, + &sx1, &sy1, &w, &h)) + return; + + sx2 = sx1 + w; + sy2 = sy1 + h; + + dest_buffer = gimp_drawable_get_shadow_buffer (drawable_ID); + } + + src_buffer = gimp_drawable_get_buffer (drawable_ID); + + dest = g_new (guchar, (sx2 - sx1) * bytes); + + for (y = sy1; y < sy2; y++) + { + gegl_buffer_get (src_buffer, GEGL_RECTANGLE (sx1, y, sx2 - sx1, 1), 1.0, + format, dest, + GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE); + + y_offset = y - grid_cfg.hoffset; + while (y_offset < 0) + y_offset += grid_cfg.hspace; + + if ((y_offset + + (grid_cfg.hwidth / 2)) % grid_cfg.hspace < grid_cfg.hwidth) + { + for (x = sx1; x < sx2; x++) + { + pix_composite (&dest[(x-sx1) * bytes], + hcolor, bytes, blend, alpha); + } + } + + for (x = sx1; x < sx2; x++) + { + x_offset = grid_cfg.vspace + x - grid_cfg.voffset; + while (x_offset < 0) + x_offset += grid_cfg.vspace; + + if ((x_offset + + (grid_cfg.vwidth / 2)) % grid_cfg.vspace < grid_cfg.vwidth) + { + pix_composite (&dest[(x-sx1) * bytes], + vcolor, bytes, blend, alpha); + } + + if ((x_offset + + (grid_cfg.iwidth / 2)) % grid_cfg.vspace < grid_cfg.iwidth + && + ((y_offset % grid_cfg.hspace >= grid_cfg.ispace + && + y_offset % grid_cfg.hspace < grid_cfg.ioffset) + || + (grid_cfg.hspace - + (y_offset % grid_cfg.hspace) >= grid_cfg.ispace + && + grid_cfg.hspace - + (y_offset % grid_cfg.hspace) < grid_cfg.ioffset))) + { + pix_composite (&dest[(x-sx1) * bytes], + icolor, bytes, blend, alpha); + } + } + + if ((y_offset + + (grid_cfg.iwidth / 2)) % grid_cfg.hspace < grid_cfg.iwidth) + { + for (x = sx1; x < sx2; x++) + { + x_offset = grid_cfg.vspace + x - grid_cfg.voffset; + while (x_offset < 0) + x_offset += grid_cfg.vspace; + + if ((x_offset % grid_cfg.vspace >= grid_cfg.ispace + && + x_offset % grid_cfg.vspace < grid_cfg.ioffset) + || + (grid_cfg.vspace - + (x_offset % grid_cfg.vspace) >= grid_cfg.ispace + && + grid_cfg.vspace - + (x_offset % grid_cfg.vspace) < grid_cfg.ioffset)) + { + pix_composite (&dest[(x-sx1) * bytes], + icolor, bytes, blend, alpha); + } + } + } + + if (preview) + { + memcpy (buffer + (y - sy1) * (sx2 - sx1) * bytes, + dest, + (sx2 - sx1) * bytes); + } + else + { + gegl_buffer_set (dest_buffer, + GEGL_RECTANGLE (sx1, y, sx2 - sx1, 1), 0, + format, dest, + GEGL_AUTO_ROWSTRIDE); + + if (y % 16 == 0) + gimp_progress_update ((gdouble) y / (gdouble) (sy2 - sy1)); + } + } + + g_free (dest); + + g_object_unref (src_buffer); + + if (preview) + { + gimp_preview_draw_buffer (preview, buffer, bytes * (sx2 - sx1)); + g_free (buffer); + } + else + { + gimp_progress_update (1.0); + + g_object_unref (dest_buffer); + + gimp_drawable_merge_shadow (drawable_ID, TRUE); + gimp_drawable_update (drawable_ID, + sx1, sy1, sx2 - sx1, sy2 - sy1); + } +} + + +/*************************************************** + * GUI stuff + */ + + +static void +update_values (void) +{ + GtkWidget *entry; + + entry = g_object_get_data (G_OBJECT (main_dialog), "width"); + + grid_cfg.hwidth = + RINT (gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (entry), 0)); + grid_cfg.vwidth = + RINT (gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (entry), 1)); + grid_cfg.iwidth = + RINT (gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (entry), 2)); + + entry = g_object_get_data (G_OBJECT (main_dialog), "space"); + + grid_cfg.hspace = + RINT (gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (entry), 0)); + grid_cfg.vspace = + RINT (gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (entry), 1)); + grid_cfg.ispace = + RINT (gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (entry), 2)); + + entry = g_object_get_data (G_OBJECT (main_dialog), "offset"); + + grid_cfg.hoffset = + RINT (gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (entry), 0)); + grid_cfg.voffset = + RINT (gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (entry), 1)); + grid_cfg.ioffset = + RINT (gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (entry), 2)); +} + +static void +update_preview (GimpPreview *preview, + gpointer drawable_ID) +{ + update_values (); + + grid (gimp_item_get_image (GPOINTER_TO_INT (drawable_ID)), + GPOINTER_TO_INT (drawable_ID), + preview); +} + +static void +entry_callback (GtkWidget *widget, + gpointer data) +{ + static gdouble x = -1.0; + static gdouble y = -1.0; + gdouble new_x; + gdouble new_y; + + new_x = gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (widget), 0); + new_y = gimp_size_entry_get_refval (GIMP_SIZE_ENTRY (widget), 1); + + if (gimp_chain_button_get_active (GIMP_CHAIN_BUTTON (data))) + { + if (new_x != x) + { + y = new_y = x = new_x; + gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (widget), 1, y); + } + if (new_y != y) + { + x = new_x = y = new_y; + gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (widget), 0, x); + } + } + else + { + x = new_x; + y = new_y; + } +} + +static void +color_callback (GtkWidget *widget, + gpointer data) +{ + if (gimp_chain_button_get_active (GIMP_CHAIN_BUTTON (data))) + { + GimpRGB color; + + gimp_color_button_get_color (GIMP_COLOR_BUTTON (widget), &color); + + if (widget == vcolor_button) + gimp_color_button_set_color (GIMP_COLOR_BUTTON (hcolor_button), &color); + else if (widget == hcolor_button) + gimp_color_button_set_color (GIMP_COLOR_BUTTON (vcolor_button), &color); + } +} + + +static gint +dialog (gint32 image_ID, + gint32 drawable_ID) +{ + GimpColorConfig *config; + GtkWidget *dlg; + GtkWidget *main_vbox; + GtkWidget *vbox; + GtkSizeGroup *group; + GtkWidget *label; + GtkWidget *preview; + GtkWidget *button; + GtkWidget *width; + GtkWidget *space; + GtkWidget *offset; + GtkWidget *chain_button; + GtkWidget *table; + GimpUnit unit; + gint d_width; + gint d_height; + gdouble xres; + gdouble yres; + gboolean run; + + g_return_val_if_fail (main_dialog == NULL, FALSE); + + gimp_ui_init (PLUG_IN_BINARY, TRUE); + + d_width = gimp_drawable_width (drawable_ID); + d_height = gimp_drawable_height (drawable_ID); + + main_dialog = dlg = gimp_dialog_new (_("Grid"), PLUG_IN_ROLE, + NULL, 0, + gimp_standard_help_func, PLUG_IN_PROC, + + _("_Cancel"), GTK_RESPONSE_CANCEL, + _("_OK"), GTK_RESPONSE_OK, + + NULL); + + gtk_dialog_set_alternative_button_order (GTK_DIALOG (dlg), + GTK_RESPONSE_OK, + GTK_RESPONSE_CANCEL, + -1); + + gimp_window_set_transient (GTK_WINDOW (dlg)); + + /* Get the image resolution and unit */ + gimp_image_get_resolution (image_ID, &xres, &yres); + unit = gimp_image_get_unit (image_ID); + + 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 (dlg))), + main_vbox, TRUE, TRUE, 0); + gtk_widget_show (main_vbox); + + preview = gimp_drawable_preview_new_from_drawable_id (drawable_ID); + gtk_box_pack_start (GTK_BOX (main_vbox), preview, TRUE, TRUE, 0); + gtk_widget_show (preview); + + g_signal_connect (preview, "invalidated", + G_CALLBACK (update_preview), + GINT_TO_POINTER (drawable_ID)); + + vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2); + gtk_box_pack_start (GTK_BOX (main_vbox), vbox, FALSE, FALSE, 0); + gtk_widget_show (vbox); + + /* The width entries */ + width = gimp_size_entry_new (3, /* number_of_fields */ + unit, /* unit */ + "%a", /* unit_format */ + TRUE, /* menu_show_pixels */ + TRUE, /* menu_show_percent */ + FALSE, /* show_refval */ + SPIN_BUTTON_WIDTH, /* spinbutton_usize */ + GIMP_SIZE_ENTRY_UPDATE_SIZE); /* update_policy */ + + + gtk_box_pack_start (GTK_BOX (vbox), width, FALSE, FALSE, 0); + gtk_widget_show (width); + + /* set the unit back to pixels, since most times we will want pixels */ + gimp_size_entry_set_unit (GIMP_SIZE_ENTRY (width), GIMP_UNIT_PIXEL); + + /* set the resolution to the image resolution */ + gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (width), 0, xres, TRUE); + gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (width), 1, yres, TRUE); + gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (width), 2, xres, TRUE); + + /* set the size (in pixels) that will be treated as 0% and 100% */ + gimp_size_entry_set_size (GIMP_SIZE_ENTRY (width), 0, 0.0, d_height); + gimp_size_entry_set_size (GIMP_SIZE_ENTRY (width), 1, 0.0, d_width); + gimp_size_entry_set_size (GIMP_SIZE_ENTRY (width), 2, 0.0, d_width); + + /* set upper and lower limits (in pixels) */ + gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (width), 0, 0.0, + d_height); + gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (width), 1, 0.0, + d_width); + gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (width), 2, 0.0, + MAX (d_width, d_height)); + gtk_table_set_row_spacing (GTK_TABLE (width), 0, 6); + gtk_table_set_col_spacings (GTK_TABLE (width), 6); + gtk_table_set_col_spacing (GTK_TABLE (width), 2, 12); + + /* initialize the values */ + gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (width), 0, grid_cfg.hwidth); + gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (width), 1, grid_cfg.vwidth); + gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (width), 2, grid_cfg.iwidth); + + /* attach labels */ + gimp_size_entry_attach_label (GIMP_SIZE_ENTRY (width), _("Horizontal\nLines"), + 0, 1, 0.0); + gimp_size_entry_attach_label (GIMP_SIZE_ENTRY (width), _("Vertical\nLines"), + 0, 2, 0.0); + gimp_size_entry_attach_label (GIMP_SIZE_ENTRY (width), _("Intersection"), + 0, 3, 0.0); + + label = gimp_size_entry_attach_label (GIMP_SIZE_ENTRY (width), _("Width:"), + 1, 0, 0.0); + + group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL); + gtk_size_group_add_widget (group, label); + g_object_unref (group); + + /* put a chain_button under the size_entries */ + chain_button = gimp_chain_button_new (GIMP_CHAIN_BOTTOM); + if (grid_cfg.hwidth == grid_cfg.vwidth) + gimp_chain_button_set_active (GIMP_CHAIN_BUTTON (chain_button), TRUE); + gtk_table_attach_defaults (GTK_TABLE (width), chain_button, 1, 3, 2, 3); + gtk_widget_show (chain_button); + + /* connect to the 'value-changed' signal because we have to take care + * of keeping the entries in sync when the chainbutton is active + */ + g_signal_connect (width, "value-changed", + G_CALLBACK (entry_callback), + chain_button); + g_signal_connect_swapped (width, "value-changed", + G_CALLBACK (gimp_preview_invalidate), + preview); + + /* The spacing entries */ + space = gimp_size_entry_new (3, /* number_of_fields */ + unit, /* unit */ + "%a", /* unit_format */ + TRUE, /* menu_show_pixels */ + TRUE, /* menu_show_percent */ + FALSE, /* show_refval */ + SPIN_BUTTON_WIDTH, /* spinbutton_usize */ + GIMP_SIZE_ENTRY_UPDATE_SIZE); /* update_policy */ + + gtk_box_pack_start (GTK_BOX (vbox), space, FALSE, FALSE, 0); + gtk_widget_show (space); + + gimp_size_entry_set_unit (GIMP_SIZE_ENTRY (space), GIMP_UNIT_PIXEL); + + /* set the resolution to the image resolution */ + gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (space), 0, xres, TRUE); + gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (space), 1, yres, TRUE); + gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (space), 2, xres, TRUE); + + /* set the size (in pixels) that will be treated as 0% and 100% */ + gimp_size_entry_set_size (GIMP_SIZE_ENTRY (space), 0, 0.0, d_height); + gimp_size_entry_set_size (GIMP_SIZE_ENTRY (space), 1, 0.0, d_width); + gimp_size_entry_set_size (GIMP_SIZE_ENTRY (space), 2, 0.0, d_width); + + /* set upper and lower limits (in pixels) */ + gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (space), 0, 1.0, + d_height); + gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (space), 1, 1.0, + d_width); + gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (space), 2, 0.0, + MAX (d_width, d_height)); + gtk_table_set_col_spacings (GTK_TABLE (space), 6); + gtk_table_set_col_spacing (GTK_TABLE (space), 2, 12); + + /* initialize the values */ + gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (space), 0, grid_cfg.hspace); + gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (space), 1, grid_cfg.vspace); + gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (space), 2, grid_cfg.ispace); + + /* attach labels */ + label = gimp_size_entry_attach_label (GIMP_SIZE_ENTRY (space), _("Spacing:"), + 1, 0, 0.0); + gtk_size_group_add_widget (group, label); + + /* put a chain_button under the spacing_entries */ + chain_button = gimp_chain_button_new (GIMP_CHAIN_BOTTOM); + if (grid_cfg.hspace == grid_cfg.vspace) + gimp_chain_button_set_active (GIMP_CHAIN_BUTTON (chain_button), TRUE); + gtk_table_attach_defaults (GTK_TABLE (space), chain_button, 1, 3, 2, 3); + gtk_widget_show (chain_button); + + /* connect to the 'value-changed' and "unit-changed" signals because + * we have to take care of keeping the entries in sync when the + * chainbutton is active + */ + g_signal_connect (space, "value-changed", + G_CALLBACK (entry_callback), + chain_button); + g_signal_connect (space, "unit-changed", + G_CALLBACK (entry_callback), + chain_button); + g_signal_connect_swapped (space, "value-changed", + G_CALLBACK (gimp_preview_invalidate), + preview); + + /* The offset entries */ + offset = gimp_size_entry_new (3, /* number_of_fields */ + unit, /* unit */ + "%a", /* unit_format */ + TRUE, /* menu_show_pixels */ + TRUE, /* menu_show_percent */ + FALSE, /* show_refval */ + SPIN_BUTTON_WIDTH, /* spinbutton_usize */ + GIMP_SIZE_ENTRY_UPDATE_SIZE); /* update_policy */ + + gtk_box_pack_start (GTK_BOX (vbox), offset, FALSE, FALSE, 0); + gtk_widget_show (offset); + + gimp_size_entry_set_unit (GIMP_SIZE_ENTRY (offset), GIMP_UNIT_PIXEL); + + /* set the resolution to the image resolution */ + gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (offset), 0, xres, TRUE); + gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (offset), 1, yres, TRUE); + gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (offset), 2, xres, TRUE); + + /* set the size (in pixels) that will be treated as 0% and 100% */ + gimp_size_entry_set_size (GIMP_SIZE_ENTRY (offset), 0, 0.0, d_height); + gimp_size_entry_set_size (GIMP_SIZE_ENTRY (offset), 1, 0.0, d_width); + gimp_size_entry_set_size (GIMP_SIZE_ENTRY (offset), 2, 0.0, d_width); + + /* set upper and lower limits (in pixels) */ + gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (offset), 0, 0.0, + d_height); + gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (offset), 1, 0.0, + d_width); + gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (offset), 2, 0.0, + MAX (d_width, d_height)); + gtk_table_set_col_spacings (GTK_TABLE (offset), 6); + gtk_table_set_col_spacing (GTK_TABLE (offset), 2, 12); + + /* initialize the values */ + gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (offset), 0, grid_cfg.hoffset); + gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (offset), 1, grid_cfg.voffset); + gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (offset), 2, grid_cfg.ioffset); + + /* attach labels */ + label = gimp_size_entry_attach_label (GIMP_SIZE_ENTRY (offset), _("Offset:"), + 1, 0, 0.0); + gtk_size_group_add_widget (group, label); + + /* this is a weird hack: we put a table into the offset table */ + table = gtk_table_new (3, 3, FALSE); + gtk_table_attach_defaults (GTK_TABLE (offset), table, 1, 4, 2, 3); + gtk_table_set_row_spacing (GTK_TABLE (table), 0, 10); + gtk_table_set_col_spacing (GTK_TABLE (table), 1, 12); + + /* put a chain_button under the offset_entries */ + chain_button = gimp_chain_button_new (GIMP_CHAIN_BOTTOM); + if (grid_cfg.hoffset == grid_cfg.voffset) + gimp_chain_button_set_active (GIMP_CHAIN_BUTTON (chain_button), TRUE); + gtk_table_attach_defaults (GTK_TABLE (table), chain_button, 0, 2, 0, 1); + gtk_widget_show (chain_button); + + /* connect to the 'value-changed' and "unit-changed" signals because + * we have to take care of keeping the entries in sync when the + * chainbutton is active + */ + g_signal_connect (offset, "value-changed", + G_CALLBACK (entry_callback), + chain_button); + g_signal_connect (offset, "unit-changed", + G_CALLBACK (entry_callback), + chain_button); + g_signal_connect_swapped (offset, "value-changed", + G_CALLBACK (gimp_preview_invalidate), + preview); + + /* put a chain_button under the color_buttons */ + chain_button = gimp_chain_button_new (GIMP_CHAIN_BOTTOM); + if (gimp_rgba_distance (&grid_cfg.hcolor, &grid_cfg.vcolor) < 0.0001) + gimp_chain_button_set_active (GIMP_CHAIN_BUTTON (chain_button), TRUE); + gtk_table_attach_defaults (GTK_TABLE (table), chain_button, 0, 2, 2, 3); + gtk_widget_show (chain_button); + + /* attach color selectors */ + hcolor_button = gimp_color_button_new (_("Horizontal Color"), + COLOR_BUTTON_WIDTH, 16, + &grid_cfg.hcolor, + GIMP_COLOR_AREA_SMALL_CHECKS); + gimp_color_button_set_update (GIMP_COLOR_BUTTON (hcolor_button), TRUE); + gtk_table_attach_defaults (GTK_TABLE (table), hcolor_button, 0, 1, 1, 2); + gtk_widget_show (hcolor_button); + + config = gimp_get_color_configuration (); + gimp_color_button_set_color_config (GIMP_COLOR_BUTTON (hcolor_button), + config); + + g_signal_connect (hcolor_button, "color-changed", + G_CALLBACK (gimp_color_button_get_color), + &grid_cfg.hcolor); + g_signal_connect (hcolor_button, "color-changed", + G_CALLBACK (color_callback), + chain_button); + g_signal_connect_swapped (hcolor_button, "color-changed", + G_CALLBACK (gimp_preview_invalidate), + preview); + + vcolor_button = gimp_color_button_new (_("Vertical Color"), + COLOR_BUTTON_WIDTH, 16, + &grid_cfg.vcolor, + GIMP_COLOR_AREA_SMALL_CHECKS); + gimp_color_button_set_update (GIMP_COLOR_BUTTON (vcolor_button), TRUE); + gtk_table_attach_defaults (GTK_TABLE (table), vcolor_button, 1, 2, 1, 2); + gtk_widget_show (vcolor_button); + + gimp_color_button_set_color_config (GIMP_COLOR_BUTTON (vcolor_button), + config); + + g_signal_connect (vcolor_button, "color-changed", + G_CALLBACK (gimp_color_button_get_color), + &grid_cfg.vcolor); + g_signal_connect (vcolor_button, "color-changed", + G_CALLBACK (color_callback), + chain_button); + g_signal_connect_swapped (vcolor_button, "color-changed", + G_CALLBACK (gimp_preview_invalidate), + preview); + + button = gimp_color_button_new (_("Intersection Color"), + COLOR_BUTTON_WIDTH, 16, + &grid_cfg.icolor, + GIMP_COLOR_AREA_SMALL_CHECKS); + gimp_color_button_set_update (GIMP_COLOR_BUTTON (button), TRUE); + gtk_table_attach_defaults (GTK_TABLE (table), button, 2, 3, 1, 2); + gtk_widget_show (button); + + gimp_color_button_set_color_config (GIMP_COLOR_BUTTON (button), + config); + g_object_unref (config); + + g_signal_connect (button, "color-changed", + G_CALLBACK (gimp_color_button_get_color), + &grid_cfg.icolor); + g_signal_connect_swapped (button, "color-changed", + G_CALLBACK (gimp_preview_invalidate), + preview); + + gtk_widget_show (table); + + gtk_widget_show (dlg); + + g_object_set_data (G_OBJECT (dlg), "width", width); + g_object_set_data (G_OBJECT (dlg), "space", space); + g_object_set_data (G_OBJECT (dlg), "offset", offset); + + run = (gimp_dialog_run (GIMP_DIALOG (dlg)) == GTK_RESPONSE_OK); + + if (run) + update_values (); + + gtk_widget_destroy (dlg); + + return run; +} + |