X-Git-Url: http://git.draconx.ca/gitweb/liblbx.git/blobdiff_plain/25cd06fa0b938a5f00a7c31f9380341cac55454b..85ab8496645e958bbc36b64cd2827e0c47c761eb:/src/gui/render.c diff --git a/src/gui/render.c b/src/gui/render.c index 8a1af81..a96cc06 100644 --- a/src/gui/render.c +++ b/src/gui/render.c @@ -1,3 +1,23 @@ +/* + * 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 . + */ + +#include #include #include @@ -9,6 +29,13 @@ struct lbx_colour palette_external[256]; struct lbx_colour palette_internal[256]; struct lbx_colour palette_override[256]; +static inline unsigned scale6to8(unsigned x) +{ + assert(x <= 0x3f); + + return x*0xff / 0x3f; +} + static void get_colour(unsigned char index, unsigned char out[static 4]) { struct lbx_colour *colour; @@ -20,35 +47,33 @@ static void get_colour(unsigned char index, unsigned char out[static 4]) else if (palette_external[index].active) colour = palette_external + index; else - colour = &(struct lbx_colour) { .red = 0xff, .blue = 0xff }; + colour = &(struct lbx_colour) { .red = 0x3f, .blue = 0x3f }; - out[0] = colour->red; - out[1] = colour->green; - out[2] = colour->blue; + out[0] = scale6to8(colour->red); + out[1] = scale6to8(colour->green); + out[2] = scale6to8(colour->blue); out[3] = -1; /* opaque */ } -int render_to_pixbuf(LBX_IMG *image, GdkPixbuf *pixbuf, unsigned frame) +int render_to_pixbuf(struct lbx_image *image, GdkPixbuf *pixbuf, unsigned frame) { unsigned char **framedata, **framemask, *outbuf; - struct lbx_imginfo info; unsigned stride; - lbximg_getinfo(image, &info); - assert(info.width == gdk_pixbuf_get_width(pixbuf)); - assert(info.height == gdk_pixbuf_get_height(pixbuf)); + assert(image->width == gdk_pixbuf_get_width(pixbuf)); + assert(image->height == gdk_pixbuf_get_height(pixbuf)); - framedata = lbximg_getframe(image, frame); + framedata = lbx_img_getframe(image, frame); g_return_val_if_fail(framedata, -1); - framemask = lbximg_getmask(image); + 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++) { + for (unsigned i = 0; i < image->height; i++) { unsigned char (*px)[4] = (void *)(outbuf + i*stride); - for (unsigned j = 0; j < info.width; j++) { + for (unsigned j = 0; j < image->width; j++) { if (framemask[i][j]) get_colour(framedata[i][j], px[j]); else