diff options
Diffstat (limited to 'engines/sci/gfx/gfx_pixmap_scale.cpp')
| -rw-r--r-- | engines/sci/gfx/gfx_pixmap_scale.cpp | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/engines/sci/gfx/gfx_pixmap_scale.cpp b/engines/sci/gfx/gfx_pixmap_scale.cpp deleted file mode 100644 index d542683cee..0000000000 --- a/engines/sci/gfx/gfx_pixmap_scale.cpp +++ /dev/null @@ -1,133 +0,0 @@ -/* ScummVM - Graphic Adventure Engine - * - * ScummVM is the legal property of its developers, whose names - * are too numerous to list here. Please refer to the COPYRIGHT - * file distributed with this source distribution. - * - * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * $URL$ - * $Id$ - * - */ - -#include "sci/sci.h" // for INCLUDE_OLDGFX -#ifdef INCLUDE_OLDGFX - -/* Required defines: -** FUNCNAME: Function name -** SIZETYPE: Type used for each pixel -*/ - -#include "sci/gfx/gfx_system.h" -#include "sci/gfx/gfx_resource.h" -#include "sci/gfx/gfx_tools.h" - -namespace Sci { - - -// TODO: Replace this code with our common scalers (/graphics/scaler.h) - - -static void _gfx_xlate_pixmap_unfiltered(gfx_mode_t *mode, gfx_pixmap_t *pxm, int scale) { - byte result_colors[GFX_PIC_COLORS]; - int scaleFactor = (scale) ? mode->scaleFactor : 1; - int widthc, heightc; // Width duplication counter - int line_width = scaleFactor * pxm->index_width; - int x, y; - int i; - byte byte_transparent = 0; - byte byte_opaque = 255; - byte *src = pxm->index_data; - byte *dest = pxm->data; - byte *alpha_dest = pxm->alpha_map; - int using_alpha = pxm->color_key != GFX_PIXMAP_COLOR_KEY_NONE; - int separate_alpha_map = using_alpha; - - if (separate_alpha_map && !alpha_dest) - alpha_dest = pxm->alpha_map = (byte *)malloc(pxm->index_width * scaleFactor * pxm->index_height * scaleFactor); - - // Calculate all colors - for (i = 0; i < pxm->colors_nr(); i++) - result_colors[i] = pxm->palette->getColor(i).getParentIndex(); - - if (!separate_alpha_map && pxm->color_key != GFX_PIXMAP_COLOR_KEY_NONE) - result_colors[pxm->color_key] = 0; - - src = pxm->index_data; // Workaround for gcc 4.2.3 bug on EMT64 - for (y = 0; y < pxm->index_height; y++) { - byte *prev_dest = dest; - byte *prev_alpha_dest = alpha_dest; - - for (x = 0; x < pxm->index_width; x++) { - int isalpha; - byte col = result_colors[isalpha = *src++]; - isalpha = (isalpha == pxm->color_key) && using_alpha; - - // O(n) loops. There is an O(ln(n)) algorithm for this, but its slower for small n (which we're optimizing for here). - // And, anyway, most of the time is spent in memcpy() anyway. - - for (widthc = 0; widthc < scaleFactor; widthc++) { - memcpy(dest, &col, 1); - dest++; - } - - if (separate_alpha_map) { // Set separate alpha map - memset(alpha_dest, (isalpha) ? byte_transparent : byte_opaque, scaleFactor); - alpha_dest += scaleFactor; - } - } - - // Copies each line. O(n) iterations; again, this could be optimized to O(ln(n)) for very high resolutions, - // but that wouldn't really help that much, as the same amount of data still would have to be transferred. - for (heightc = 1; heightc < scaleFactor; heightc++) { - memcpy(dest, prev_dest, line_width); - dest += line_width; - if (separate_alpha_map) { - memcpy(alpha_dest, prev_alpha_dest, line_width); - alpha_dest += line_width; - } - } - } - - pxm->width = pxm->index_width; - pxm->height = pxm->index_height; -} - - -void gfx_xlate_pixmap(gfx_pixmap_t *pxm, gfx_mode_t *mode) { - if (pxm->palette && pxm->palette != mode->palette) - pxm->palette->mergeInto(mode->palette); - - if (!pxm->data) { - pxm->data = (byte*)malloc(mode->scaleFactor * mode->scaleFactor * pxm->index_width * pxm->index_height + 1); - // +1: Eases coying on BE machines in 24 bpp packed mode - // Assume that memory, if allocated already, will be sufficient - - // Allocate alpha map - if (pxm->colors_nr() < GFX_PIC_COLORS) - pxm->alpha_map = (byte*)malloc(mode->scaleFactor * mode->scaleFactor * pxm->index_width * pxm->index_height + 1); - } - - _gfx_xlate_pixmap_unfiltered(mode, pxm, false); - - if (pxm->palette) - pxm->palette_revision = pxm->palette->getRevision(); -} - - -} // End of namespace Sci - -#endif |