mirror of https://github.com/GNOME/gimp.git
691 lines
15 KiB
C
691 lines
15 KiB
C
/* LIBGIMP - The GIMP Library
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* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include <string.h>
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#include "gimp.h"
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#define TILE_WIDTH _gimp_tile_width
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#define TILE_HEIGHT _gimp_tile_height
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extern gint _gimp_tile_width;
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extern gint _gimp_tile_height;
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GDrawable*
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gimp_drawable_get (gint32 drawable_ID)
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{
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GDrawable *drawable;
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drawable = g_new (GDrawable, 1);
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drawable->id = drawable_ID;
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drawable->width = gimp_drawable_width (drawable_ID);
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drawable->height = gimp_drawable_height (drawable_ID);
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drawable->bpp = gimp_drawable_bpp (drawable_ID);
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drawable->ntile_rows = (drawable->height + TILE_HEIGHT - 1) / TILE_HEIGHT;
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drawable->ntile_cols = (drawable->width + TILE_WIDTH - 1) / TILE_WIDTH;
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drawable->tiles = NULL;
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drawable->shadow_tiles = NULL;
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return drawable;
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}
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void
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gimp_drawable_detach (GDrawable *drawable)
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{
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if (drawable)
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{
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gimp_drawable_flush (drawable);
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if (drawable->tiles)
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g_free (drawable->tiles);
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if (drawable->shadow_tiles)
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g_free (drawable->shadow_tiles);
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g_free (drawable);
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}
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}
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void
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gimp_drawable_flush (GDrawable *drawable)
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{
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GTile *tiles;
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int ntiles;
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int i;
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if (drawable)
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{
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if (drawable->tiles)
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{
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tiles = drawable->tiles;
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ntiles = drawable->ntile_rows * drawable->ntile_cols;
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for (i = 0; i < ntiles; i++)
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if ((tiles[i].ref_count > 0) && tiles[i].dirty)
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gimp_tile_flush (&tiles[i]);
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}
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if (drawable->shadow_tiles)
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{
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tiles = drawable->shadow_tiles;
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ntiles = drawable->ntile_rows * drawable->ntile_cols;
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for (i = 0; i < ntiles; i++)
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if ((tiles[i].ref_count > 0) && tiles[i].dirty)
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gimp_tile_flush (&tiles[i]);
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}
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}
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}
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void
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gimp_drawable_delete (GDrawable *drawable)
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{
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if (drawable)
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{
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if (gimp_drawable_is_layer (drawable->id))
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gimp_layer_delete (drawable->id);
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else
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gimp_channel_delete (drawable->id);
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}
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}
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void
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gimp_drawable_update (gint32 drawable_ID,
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gint x,
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gint y,
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guint width,
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guint height)
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{
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GParam *return_vals;
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int nreturn_vals;
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return_vals = gimp_run_procedure ("gimp_drawable_update",
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&nreturn_vals,
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PARAM_DRAWABLE, drawable_ID,
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PARAM_INT32, x,
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PARAM_INT32, y,
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PARAM_INT32, width,
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PARAM_INT32, height,
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PARAM_END);
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gimp_destroy_params (return_vals, nreturn_vals);
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}
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void
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gimp_drawable_merge_shadow (gint32 drawable_ID,
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gint undoable)
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{
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GParam *return_vals;
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int nreturn_vals;
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return_vals = gimp_run_procedure ("gimp_drawable_merge_shadow",
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&nreturn_vals,
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PARAM_DRAWABLE, drawable_ID,
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PARAM_INT32, undoable,
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PARAM_END);
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gimp_destroy_params (return_vals, nreturn_vals);
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}
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gint32
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gimp_drawable_image_id (gint32 drawable_ID)
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{
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GParam *return_vals;
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int nreturn_vals;
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gint32 image_ID;
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return_vals = gimp_run_procedure ("gimp_drawable_image",
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&nreturn_vals,
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PARAM_DRAWABLE, drawable_ID,
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PARAM_END);
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image_ID = -1;
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if (return_vals[0].data.d_int32 == STATUS_SUCCESS)
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image_ID = return_vals[1].data.d_image;
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gimp_destroy_params (return_vals, nreturn_vals);
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return image_ID;
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}
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char*
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gimp_drawable_name (gint32 drawable_ID)
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{
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if (gimp_drawable_is_layer (drawable_ID))
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return gimp_layer_get_name (drawable_ID);
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return gimp_channel_get_name (drawable_ID);
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}
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guint
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gimp_drawable_width (gint32 drawable_ID)
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{
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GParam *return_vals;
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int nreturn_vals;
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guint width;
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return_vals = gimp_run_procedure ("gimp_drawable_width",
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&nreturn_vals,
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PARAM_DRAWABLE, drawable_ID,
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PARAM_END);
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width = 0;
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if (return_vals[0].data.d_int32 == STATUS_SUCCESS)
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width = return_vals[1].data.d_int32;
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gimp_destroy_params (return_vals, nreturn_vals);
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return width;
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}
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guint
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gimp_drawable_height (gint32 drawable_ID)
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{
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GParam *return_vals;
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int nreturn_vals;
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guint height;
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return_vals = gimp_run_procedure ("gimp_drawable_height",
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&nreturn_vals,
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PARAM_DRAWABLE, drawable_ID,
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PARAM_END);
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height = 0;
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if (return_vals[0].data.d_int32 == STATUS_SUCCESS)
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height = return_vals[1].data.d_int32;
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gimp_destroy_params (return_vals, nreturn_vals);
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return height;
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}
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guint
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gimp_drawable_bpp (gint32 drawable_ID)
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{
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GParam *return_vals;
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int nreturn_vals;
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guint bpp;
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return_vals = gimp_run_procedure ("gimp_drawable_bytes",
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&nreturn_vals,
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PARAM_DRAWABLE, drawable_ID,
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PARAM_END);
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bpp = 0;
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if (return_vals[0].data.d_int32 == STATUS_SUCCESS)
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bpp = return_vals[1].data.d_int32;
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gimp_destroy_params (return_vals, nreturn_vals);
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return bpp;
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}
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GDrawableType
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gimp_drawable_type (gint32 drawable_ID)
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{
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GParam *return_vals;
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int nreturn_vals;
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int result;
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return_vals = gimp_run_procedure ("gimp_drawable_type",
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&nreturn_vals,
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PARAM_DRAWABLE, drawable_ID,
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PARAM_END);
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result = -1;
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if (return_vals[0].data.d_int32 == STATUS_SUCCESS)
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result = return_vals[1].data.d_int32;
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gimp_destroy_params (return_vals, nreturn_vals);
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return result;
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}
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gint
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gimp_drawable_visible (gint32 drawable_ID)
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{
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if (gimp_drawable_is_layer (drawable_ID))
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return gimp_layer_get_visible (drawable_ID);
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return gimp_channel_get_visible (drawable_ID);
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}
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gint
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gimp_drawable_is_channel (gint32 drawable_ID)
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{
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GParam *return_vals;
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int nreturn_vals;
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int result;
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return_vals = gimp_run_procedure ("gimp_drawable_is_channel",
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&nreturn_vals,
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PARAM_DRAWABLE, drawable_ID,
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PARAM_END);
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result = FALSE;
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if (return_vals[0].data.d_status == STATUS_SUCCESS)
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result = return_vals[1].data.d_int32;
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gimp_destroy_params (return_vals, nreturn_vals);
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return result;
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}
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gint
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gimp_drawable_is_rgb (gint32 drawable_ID)
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{
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GParam *return_vals;
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int nreturn_vals;
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int result;
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return_vals = gimp_run_procedure ("gimp_drawable_is_rgb",
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&nreturn_vals,
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PARAM_DRAWABLE, drawable_ID,
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PARAM_END);
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result = FALSE;
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if (return_vals[0].data.d_status == STATUS_SUCCESS)
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result = return_vals[1].data.d_int32;
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gimp_destroy_params (return_vals, nreturn_vals);
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return result;
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}
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gint
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gimp_drawable_is_gray (gint32 drawable_ID)
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{
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GParam *return_vals;
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int nreturn_vals;
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int result;
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return_vals = gimp_run_procedure ("gimp_drawable_is_gray",
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&nreturn_vals,
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PARAM_DRAWABLE, drawable_ID,
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PARAM_END);
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result = FALSE;
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if (return_vals[0].data.d_status == STATUS_SUCCESS)
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result = return_vals[1].data.d_int32;
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gimp_destroy_params (return_vals, nreturn_vals);
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return result;
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}
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gint
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gimp_drawable_has_alpha (gint32 drawable_ID)
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{
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GParam *return_vals;
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int nreturn_vals;
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int result;
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return_vals = gimp_run_procedure ("gimp_drawable_has_alpha",
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&nreturn_vals,
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PARAM_DRAWABLE, drawable_ID,
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PARAM_END);
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result = FALSE;
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if (return_vals[0].data.d_status == STATUS_SUCCESS)
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result = return_vals[1].data.d_int32;
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gimp_destroy_params (return_vals, nreturn_vals);
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return result;
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}
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gint
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gimp_drawable_is_indexed (gint32 drawable_ID)
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{
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GParam *return_vals;
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int nreturn_vals;
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int result;
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return_vals = gimp_run_procedure ("gimp_drawable_is_indexed",
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&nreturn_vals,
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PARAM_DRAWABLE, drawable_ID,
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PARAM_END);
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result = FALSE;
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if (return_vals[0].data.d_status == STATUS_SUCCESS)
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result = return_vals[1].data.d_int32;
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gimp_destroy_params (return_vals, nreturn_vals);
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return result;
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}
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gint
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gimp_drawable_is_layer (gint32 drawable_ID)
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{
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GParam *return_vals;
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int nreturn_vals;
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int result;
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return_vals = gimp_run_procedure ("gimp_drawable_is_layer",
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&nreturn_vals,
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PARAM_DRAWABLE, drawable_ID,
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PARAM_END);
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result = FALSE;
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if (return_vals[0].data.d_status == STATUS_SUCCESS)
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result = return_vals[1].data.d_int32;
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gimp_destroy_params (return_vals, nreturn_vals);
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return result;
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}
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gint
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gimp_drawable_is_layer_mask (gint32 drawable_ID)
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{
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GParam *return_vals;
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int nreturn_vals;
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int result;
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return_vals = gimp_run_procedure ("gimp_drawable_is_layer_mask",
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&nreturn_vals,
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PARAM_DRAWABLE, drawable_ID,
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PARAM_END);
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result = FALSE;
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if (return_vals[0].data.d_status == STATUS_SUCCESS)
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result = return_vals[1].data.d_int32;
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gimp_destroy_params (return_vals, nreturn_vals);
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return result;
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}
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gint
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gimp_drawable_mask_bounds (gint32 drawable_ID,
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gint *x1,
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gint *y1,
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gint *x2,
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gint *y2)
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{
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GParam *return_vals;
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int nreturn_vals;
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int result;
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return_vals = gimp_run_procedure ("gimp_drawable_mask_bounds",
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&nreturn_vals,
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PARAM_DRAWABLE, drawable_ID,
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PARAM_END);
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result = FALSE;
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if (return_vals[0].data.d_status == STATUS_SUCCESS)
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{
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result = return_vals[1].data.d_int32;
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*x1 = return_vals[2].data.d_int32;
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*y1 = return_vals[3].data.d_int32;
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*x2 = return_vals[4].data.d_int32;
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*y2 = return_vals[5].data.d_int32;
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}
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gimp_destroy_params (return_vals, nreturn_vals);
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return result;
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}
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void
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gimp_drawable_offsets (gint32 drawable_ID,
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gint *offset_x,
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gint *offset_y)
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{
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GParam *return_vals;
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int nreturn_vals;
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return_vals = gimp_run_procedure ("gimp_drawable_offsets",
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&nreturn_vals,
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PARAM_DRAWABLE, drawable_ID,
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PARAM_END);
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if (return_vals[0].data.d_status == STATUS_SUCCESS)
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{
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*offset_x = return_vals[1].data.d_int32;
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*offset_y = return_vals[2].data.d_int32;
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}
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gimp_destroy_params (return_vals, nreturn_vals);
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}
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void
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gimp_drawable_fill (gint32 drawable_ID,
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GimpFillType fill_type)
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{
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GParam *return_vals;
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int nreturn_vals;
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return_vals = gimp_run_procedure ("gimp_drawable_fill",
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&nreturn_vals,
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PARAM_DRAWABLE, drawable_ID,
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PARAM_INT32, fill_type,
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PARAM_END);
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gimp_destroy_params (return_vals, nreturn_vals);
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}
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void
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gimp_drawable_set_name (gint32 drawable_ID,
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char *name)
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{
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if (gimp_drawable_is_layer (drawable_ID))
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gimp_layer_set_name (drawable_ID, name);
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else
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gimp_channel_set_name (drawable_ID, name);
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}
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void
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gimp_drawable_set_visible (gint32 drawable_ID,
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gint visible)
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{
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if (gimp_drawable_is_layer (drawable_ID))
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gimp_layer_set_visible (drawable_ID, visible);
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else
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gimp_channel_set_visible (drawable_ID, visible);
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}
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GTile*
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gimp_drawable_get_tile (GDrawable *drawable,
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gint shadow,
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gint row,
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gint col)
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{
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GTile *tiles;
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guint right_tile;
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guint bottom_tile;
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int ntiles;
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int tile_num;
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int i, j, k;
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if (drawable)
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{
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if (shadow)
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tiles = drawable->shadow_tiles;
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else
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tiles = drawable->tiles;
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if (!tiles)
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{
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ntiles = drawable->ntile_rows * drawable->ntile_cols;
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tiles = g_new (GTile, ntiles);
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right_tile = drawable->width - ((drawable->ntile_cols - 1) * TILE_WIDTH);
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bottom_tile = drawable->height - ((drawable->ntile_rows - 1) * TILE_HEIGHT);
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for (i = 0, k = 0; i < drawable->ntile_rows; i++)
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{
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for (j = 0; j < drawable->ntile_cols; j++, k++)
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{
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tiles[k].bpp = drawable->bpp;
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tiles[k].tile_num = k;
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tiles[k].ref_count = 0;
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tiles[k].dirty = FALSE;
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tiles[k].shadow = shadow;
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tiles[k].data = NULL;
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tiles[k].drawable = drawable;
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if (j == (drawable->ntile_cols - 1))
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tiles[k].ewidth = right_tile;
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else
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tiles[k].ewidth = TILE_WIDTH;
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if (i == (drawable->ntile_rows - 1))
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tiles[k].eheight = bottom_tile;
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else
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tiles[k].eheight = TILE_HEIGHT;
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}
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}
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if (shadow)
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drawable->shadow_tiles = tiles;
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else
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drawable->tiles = tiles;
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}
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tile_num = row * drawable->ntile_cols + col;
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return &tiles[tile_num];
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}
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return NULL;
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}
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GTile*
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gimp_drawable_get_tile2 (GDrawable *drawable,
|
|
gint shadow,
|
|
gint x,
|
|
gint y)
|
|
{
|
|
gint row, col;
|
|
|
|
col = x / TILE_WIDTH;
|
|
row = y / TILE_HEIGHT;
|
|
|
|
return gimp_drawable_get_tile (drawable, shadow, row, col);
|
|
}
|
|
|
|
Parasite *
|
|
gimp_drawable_parasite_find (gint32 drawable_ID,
|
|
const char *name)
|
|
|
|
{
|
|
GParam *return_vals;
|
|
int nreturn_vals;
|
|
Parasite *parasite;
|
|
return_vals = gimp_run_procedure ("gimp_drawable_parasite_find",
|
|
&nreturn_vals,
|
|
PARAM_DRAWABLE, drawable_ID,
|
|
PARAM_STRING, name,
|
|
PARAM_END);
|
|
|
|
if (return_vals[0].data.d_status == STATUS_SUCCESS)
|
|
{
|
|
parasite = parasite_copy(&return_vals[1].data.d_parasite);
|
|
}
|
|
else
|
|
parasite = NULL;
|
|
|
|
gimp_destroy_params (return_vals, nreturn_vals);
|
|
|
|
return parasite;
|
|
}
|
|
|
|
void
|
|
gimp_drawable_parasite_attach (gint32 drawable_ID,
|
|
const Parasite *p)
|
|
{
|
|
GParam *return_vals;
|
|
int nreturn_vals;
|
|
|
|
return_vals = gimp_run_procedure ("gimp_drawable_parasite_attach",
|
|
&nreturn_vals,
|
|
PARAM_DRAWABLE, drawable_ID,
|
|
PARAM_PARASITE, p,
|
|
PARAM_END);
|
|
|
|
gimp_destroy_params (return_vals, nreturn_vals);
|
|
}
|
|
|
|
|
|
void
|
|
gimp_drawable_attach_new_parasite (gint32 drawable, const char *name, int flags,
|
|
int size, const void *data)
|
|
{
|
|
GParam *return_vals;
|
|
int nreturn_vals;
|
|
Parasite *p = parasite_new(name, flags, size, data);
|
|
|
|
return_vals = gimp_run_procedure ("gimp_drawable_parasite_attach",
|
|
&nreturn_vals,
|
|
PARAM_DRAWABLE, drawable,
|
|
PARAM_PARASITE, p,
|
|
PARAM_END);
|
|
|
|
parasite_free(p);
|
|
gimp_destroy_params (return_vals, nreturn_vals);
|
|
}
|
|
|
|
void
|
|
gimp_drawable_parasite_detach (gint32 drawable_ID,
|
|
const char *name)
|
|
{
|
|
GParam *return_vals;
|
|
int nreturn_vals;
|
|
|
|
return_vals = gimp_run_procedure ("gimp_drawable_parasite_detach",
|
|
&nreturn_vals,
|
|
PARAM_DRAWABLE, drawable_ID,
|
|
PARAM_STRING, name,
|
|
PARAM_END);
|
|
|
|
|
|
gimp_destroy_params (return_vals, nreturn_vals);
|
|
}
|
|
|
|
guchar *
|
|
gimp_drawable_get_thumbnail_data (gint32 drawable_ID,
|
|
gint *width,
|
|
gint *height,
|
|
gint *bytes)
|
|
{
|
|
GParam *return_vals;
|
|
int nreturn_vals;
|
|
guchar *drawable_data = NULL;
|
|
|
|
return_vals = gimp_run_procedure ("gimp_drawable_thumbnail",
|
|
&nreturn_vals,
|
|
PARAM_DRAWABLE, drawable_ID,
|
|
PARAM_INT32, *width,
|
|
PARAM_INT32, *height,
|
|
PARAM_END);
|
|
|
|
if (return_vals[0].data.d_status == STATUS_SUCCESS)
|
|
{
|
|
*width = return_vals[1].data.d_int32;
|
|
*height = return_vals[2].data.d_int32;
|
|
*bytes = return_vals[3].data.d_int32;
|
|
drawable_data = g_new (guchar, return_vals[4].data.d_int32);
|
|
g_memmove (drawable_data, return_vals[5].data.d_int32array, return_vals[4].data.d_int32);
|
|
}
|
|
|
|
gimp_destroy_params (return_vals, nreturn_vals);
|
|
|
|
return drawable_data;
|
|
}
|
|
|
|
|