+++ /dev/null
-/*
- * 2ooM: The Master of Orion II Reverse Engineering Project
- * Routines for rendering LBX images to a GdkPixbuf.
- * Copyright (C) 2010 Nick Bowler
- *
- * 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 <http://www.gnu.org/licenses/>.
- */
-#include <assert.h>
-#include <gtk/gtk.h>
-
-#include "render.h"
-#include "image.h"
-
-/* LBX images can have up to three palettes, with each superseding the last. */
-struct lbx_colour palette_external[256];
-struct lbx_colour palette_internal[256];
-struct lbx_colour palette_override[256];
-
-static void get_colour(unsigned char index, unsigned char out[static 4])
-{
- struct lbx_colour *colour;
-
- if (palette_override[index].active)
- colour = palette_override + index;
- else if (palette_internal[index].active)
- colour = palette_internal + index;
- else if (palette_external[index].active)
- colour = palette_external + index;
- else
- colour = &(struct lbx_colour) { .red = 0xff, .blue = 0xff };
-
- out[0] = colour->red;
- out[1] = colour->green;
- out[2] = colour->blue;
- out[3] = -1; /* opaque */
-}
-
-int render_to_pixbuf(LBXimg *image, GdkPixbuf *pixbuf, unsigned frame)
-{
- unsigned char **framedata, **framemask, *outbuf;
- struct lbx_imginfo info;
- unsigned stride;
-
- lbx_img_getinfo(image, &info);
- assert(info.width == gdk_pixbuf_get_width(pixbuf));
- assert(info.height == gdk_pixbuf_get_height(pixbuf));
-
- framedata = lbx_img_getframe(image, frame);
- g_return_val_if_fail(framedata, -1);
- framemask = lbx_img_getmask(image);
-
- outbuf = gdk_pixbuf_get_pixels(pixbuf);
- stride = gdk_pixbuf_get_rowstride(pixbuf);
-
- for (unsigned i = 0; i < info.height; i++) {
- unsigned char (*px)[4] = (void *)(outbuf + i*stride);
-
- for (unsigned j = 0; j < info.width; j++) {
- if (framemask[i][j])
- get_colour(framedata[i][j], px[j]);
- else
- px[j][3] = 0; /* transparent */
- }
- }
-
- return 0;
-}