Moved all files one dir upwards (should've done that long ago)
This commit is contained in:
pelya
442
project/jni/application/opentyrian/src/video_scale.cpp
Normal file
442
project/jni/application/opentyrian/src/video_scale.cpp
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@@ -0,0 +1,442 @@
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/*
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* OpenTyrian Classic: A modern cross-platform port of Tyrian
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* Copyright (C) 2007-2010 The OpenTyrian Development Team
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*
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* Scale2x, Scale3x
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* Copyright (C) 2001, 2002, 2003, 2004 Andrea Mazzoleni
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "video_scale.h"
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#include "palette.h"
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#include "video.h"
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#include <assert.h>
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static void no_scale( SDL_Surface *src_surface, SDL_Surface *dst_surface );
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static void nn_32( SDL_Surface *src_surface, SDL_Surface *dst_surface );
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static void nn_16( SDL_Surface *src_surface, SDL_Surface *dst_surface );
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static void scale2x_32( SDL_Surface *src_surface, SDL_Surface *dst_surface );
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static void scale2x_16( SDL_Surface *src_surface, SDL_Surface *dst_surface );
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static void scale3x_32( SDL_Surface *src_surface, SDL_Surface *dst_surface );
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static void scale3x_16( SDL_Surface *src_surface, SDL_Surface *dst_surface );
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void hq2x_32( SDL_Surface *src_surface, SDL_Surface *dst_surface );
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void hq3x_32( SDL_Surface *src_surface, SDL_Surface *dst_surface );
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void hq4x_32( SDL_Surface *src_surface, SDL_Surface *dst_surface );
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uint scaler;
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const struct Scalers scalers[] =
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{
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#ifdef ANDROID
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{ vga_width, vga_height, no_scale, nn_16, nn_32, "None" },
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#endif
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#if defined(TARGET_GP2X) || defined(TARGET_DINGUX)
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{ 320, 240, no_scale, nn_16, nn_32, "None" },
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#else
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{ 1 * vga_width, 1 * vga_height, no_scale, nn_16, nn_32, "None" },
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{ 2 * vga_width, 2 * vga_height, NULL, nn_16, nn_32, "2x" },
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{ 2 * vga_width, 2 * vga_height, NULL, scale2x_16, scale2x_32, "Scale2x" },
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{ 2 * vga_width, 2 * vga_height, NULL, NULL, hq2x_32, "hq2x" },
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{ 3 * vga_width, 3 * vga_height, NULL, nn_16, nn_32, "3x" },
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{ 3 * vga_width, 3 * vga_height, NULL, scale3x_16, scale3x_32, "Scale3x" },
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{ 3 * vga_width, 3 * vga_height, NULL, NULL, hq3x_32, "hq3x" },
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{ 4 * vga_width, 4 * vga_height, NULL, nn_16, nn_32, "4x" },
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{ 4 * vga_width, 4 * vga_height, NULL, NULL, hq4x_32, "hq4x" },
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#endif
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};
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const uint scalers_count = COUNTOF(scalers);
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void set_scaler_by_name( const char *name )
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{
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for (uint i = 0; i < scalers_count; ++i)
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{
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if (strcmp(name, scalers[i].name) == 0)
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{
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scaler = i;
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break;
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}
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}
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}
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#if defined(TARGET_GP2X) || defined(TARGET_DINGUX)
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#define VGA_CENTERED
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#endif
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void no_scale( SDL_Surface *src_surface, SDL_Surface *dst_surface )
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{
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Uint8 *src = (Uint8 *)src_surface->pixels,
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*dst = (Uint8 *)dst_surface->pixels;
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#ifdef VGA_CENTERED
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size_t blank = (dst_surface->h - src_surface->h) / 2 * dst_surface->pitch;
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memset(dst, 0, blank);
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dst += blank;
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#endif
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memcpy(dst, src, src_surface->pitch * src_surface->h);
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#ifdef VGA_CENTERED
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dst += src_surface->pitch * src_surface->h;
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memset(dst, 0, blank);
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#endif
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}
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void nn_32( SDL_Surface *src_surface, SDL_Surface *dst_surface )
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{
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Uint8 *src = (Uint8 *)src_surface->pixels, *src_temp,
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*dst = (Uint8 *)dst_surface->pixels, *dst_temp;
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int src_pitch = src_surface->pitch,
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dst_pitch = dst_surface->pitch;
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const int dst_Bpp = 4; // dst_surface->format->BytesPerPixel
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const int height = vga_height, // src_surface->h
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width = vga_width, // src_surface->w
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scale = dst_surface->w / width;
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assert(scale == dst_surface->h / height);
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#ifdef VGA_CENTERED
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size_t blank = (dst_surface->h - src_surface->h) / 2 * dst_surface->pitch;
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memset(dst, 0, blank);
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dst += blank;
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#endif
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for (int y = height; y > 0; y--)
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{
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src_temp = src;
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dst_temp = dst;
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for (int x = width; x > 0; x--)
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{
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for (int z = scale; z > 0; z--)
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{
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*(Uint32 *)dst = rgb_palette[*src];
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dst += dst_Bpp;
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}
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src++;
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}
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src = src_temp + src_pitch;
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dst = dst_temp + dst_pitch;
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for (int z = scale; z > 1; z--)
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{
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memcpy(dst, dst_temp, dst_pitch);
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dst += dst_pitch;
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}
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}
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#ifdef VGA_CENTERED
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memset(dst, 0, blank);
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#endif
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}
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void nn_16( SDL_Surface *src_surface, SDL_Surface *dst_surface )
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{
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Uint8 *src = (Uint8 *)src_surface->pixels, *src_temp,
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*dst = (Uint8 *)dst_surface->pixels, *dst_temp;
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int src_pitch = src_surface->pitch,
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dst_pitch = dst_surface->pitch;
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const int dst_Bpp = 2; // dst_surface->format->BytesPerPixel
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const int height = vga_height, // src_surface->h
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width = vga_width, // src_surface->w
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scale = dst_surface->w / width;
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assert(scale == dst_surface->h / height);
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#ifdef VGA_CENTERED
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size_t blank = (dst_surface->h - src_surface->h) / 2 * dst_surface->pitch;
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memset(dst, 0, blank);
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dst += blank;
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#endif
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for (int y = height; y > 0; y--)
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{
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src_temp = src;
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dst_temp = dst;
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for (int x = width; x > 0; x--)
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{
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for (int z = scale; z > 0; z--)
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{
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*(Uint16 *)dst = rgb_palette[*src];
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dst += dst_Bpp;
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}
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src++;
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}
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src = src_temp + src_pitch;
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dst = dst_temp + dst_pitch;
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for (int z = scale; z > 1; z--)
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{
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memcpy(dst, dst_temp, dst_pitch);
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dst += dst_pitch;
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}
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}
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#ifdef VGA_CENTERED
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memset(dst, 0, blank);
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#endif
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}
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void scale2x_32( SDL_Surface *src_surface, SDL_Surface *dst_surface )
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{
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Uint8 *src = (Uint8 *)src_surface->pixels, *src_temp,
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*dst = (Uint8 *)dst_surface->pixels, *dst_temp;
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int src_pitch = src_surface->pitch,
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dst_pitch = dst_surface->pitch;
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const int dst_Bpp = 4; // dst_surface->format->BytesPerPixel
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const int height = vga_height, // src_surface->h
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width = vga_width; // src_surface->w
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int prevline, nextline;
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Uint32 E0, E1, E2, E3, B, D, E, F, H;
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for (int y = 0; y < height; y++)
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{
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src_temp = src;
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dst_temp = dst;
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prevline = (y > 0) ? -src_pitch : 0;
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nextline = (y < height - 1) ? src_pitch : 0;
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for (int x = 0; x < width; x++)
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{
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B = rgb_palette[*(src + prevline)];
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D = rgb_palette[*(x > 0 ? src - 1 : src)];
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E = rgb_palette[*src];
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F = rgb_palette[*(x < width - 1 ? src + 1 : src)];
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H = rgb_palette[*(src + nextline)];
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if (B != H && D != F) {
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E0 = D == B ? D : E;
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E1 = B == F ? F : E;
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E2 = D == H ? D : E;
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E3 = H == F ? F : E;
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} else {
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E0 = E1 = E2 = E3 = E;
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}
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*(Uint32 *)dst = E0;
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*(Uint32 *)(dst + dst_Bpp) = E1;
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*(Uint32 *)(dst + dst_pitch) = E2;
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*(Uint32 *)(dst + dst_pitch + dst_Bpp) = E3;
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src++;
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dst += 2 * dst_Bpp;
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}
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src = src_temp + src_pitch;
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dst = dst_temp + 2 * dst_pitch;
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}
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}
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void scale2x_16( SDL_Surface *src_surface, SDL_Surface *dst_surface )
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{
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Uint8 *src = (Uint8 *)src_surface->pixels, *src_temp,
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*dst = (Uint8 *)dst_surface->pixels, *dst_temp;
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int src_pitch = src_surface->pitch,
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dst_pitch = dst_surface->pitch;
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const int dst_Bpp = 2; // dst_surface->format->BytesPerPixel
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const int height = vga_height, // src_surface->h
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width = vga_width; // src_surface->w
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int prevline, nextline;
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Uint16 E0, E1, E2, E3, B, D, E, F, H;
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for (int y = 0; y < height; y++)
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{
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src_temp = src;
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dst_temp = dst;
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prevline = (y > 0) ? -src_pitch : 0;
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nextline = (y < height - 1) ? src_pitch : 0;
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for (int x = 0; x < width; x++)
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{
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B = rgb_palette[*(src + prevline)];
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D = rgb_palette[*(x > 0 ? src - 1 : src)];
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E = rgb_palette[*src];
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F = rgb_palette[*(x < width - 1 ? src + 1 : src)];
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H = rgb_palette[*(src + nextline)];
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if (B != H && D != F) {
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E0 = D == B ? D : E;
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E1 = B == F ? F : E;
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E2 = D == H ? D : E;
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E3 = H == F ? F : E;
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} else {
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E0 = E1 = E2 = E3 = E;
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}
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*(Uint16 *)dst = E0;
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*(Uint16 *)(dst + dst_Bpp) = E1;
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*(Uint16 *)(dst + dst_pitch) = E2;
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*(Uint16 *)(dst + dst_pitch + dst_Bpp) = E3;
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src++;
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dst += 2 * dst_Bpp;
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}
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|
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src = src_temp + src_pitch;
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dst = dst_temp + 2 * dst_pitch;
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}
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}
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void scale3x_32( SDL_Surface *src_surface, SDL_Surface *dst_surface )
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{
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Uint8 *src = (Uint8 *)src_surface->pixels, *src_temp,
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*dst = (Uint8 *)dst_surface->pixels, *dst_temp;
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int src_pitch = src_surface->pitch,
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dst_pitch = dst_surface->pitch;
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const int dst_Bpp = 4; // dst_surface->format->BytesPerPixel
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|
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const int height = vga_height, // src_surface->h
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width = vga_width; // src_surface->w
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int prevline, nextline;
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|
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Uint32 E0, E1, E2, E3, E4, E5, E6, E7, E8, A, B, C, D, E, F, G, H, I;
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for (int y = 0; y < height; y++)
|
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{
|
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src_temp = src;
|
||||
dst_temp = dst;
|
||||
|
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prevline = (y > 0) ? -src_pitch : 0;
|
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nextline = (y < height - 1) ? src_pitch : 0;
|
||||
|
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for (int x = 0; x < width; x++)
|
||||
{
|
||||
A = rgb_palette[*(src + prevline - (x > 0 ? 1 : 0))];
|
||||
B = rgb_palette[*(src + prevline)];
|
||||
C = rgb_palette[*(src + prevline + (x < width - 1 ? 1 : 0))];
|
||||
D = rgb_palette[*(src - (x > 0 ? 1 : 0))];
|
||||
E = rgb_palette[*src];
|
||||
F = rgb_palette[*(src + (x < width - 1 ? 1 : 0))];
|
||||
G = rgb_palette[*(src + nextline - (x > 0 ? 1 : 0))];
|
||||
H = rgb_palette[*(src + nextline)];
|
||||
I = rgb_palette[*(src + nextline + (x < width - 1 ? 1 : 0))];
|
||||
|
||||
if (B != H && D != F) {
|
||||
E0 = D == B ? D : E;
|
||||
E1 = (D == B && E != C) || (B == F && E != A) ? B : E;
|
||||
E2 = B == F ? F : E;
|
||||
E3 = (D == B && E != G) || (D == H && E != A) ? D : E;
|
||||
E4 = E;
|
||||
E5 = (B == F && E != I) || (H == F && E != C) ? F : E;
|
||||
E6 = D == H ? D : E;
|
||||
E7 = (D == H && E != I) || (H == F && E != G) ? H : E;
|
||||
E8 = H == F ? F : E;
|
||||
} else {
|
||||
E0 = E1 = E2 = E3 = E4 = E5 = E6 = E7 = E8 = E;
|
||||
}
|
||||
|
||||
*(Uint32 *)dst = E0;
|
||||
*(Uint32 *)(dst + dst_Bpp) = E1;
|
||||
*(Uint32 *)(dst + 2 * dst_Bpp) = E2;
|
||||
*(Uint32 *)(dst + dst_pitch) = E3;
|
||||
*(Uint32 *)(dst + dst_pitch + dst_Bpp) = E4;
|
||||
*(Uint32 *)(dst + dst_pitch + 2 * dst_Bpp) = E5;
|
||||
*(Uint32 *)(dst + 2 * dst_pitch) = E6;
|
||||
*(Uint32 *)(dst + 2 * dst_pitch + dst_Bpp) = E7;
|
||||
*(Uint32 *)(dst + 2 * dst_pitch + 2 * dst_Bpp) = E8;
|
||||
|
||||
src++;
|
||||
dst += 3 * dst_Bpp;
|
||||
}
|
||||
|
||||
src = src_temp + src_pitch;
|
||||
dst = dst_temp + 3 * dst_pitch;
|
||||
}
|
||||
}
|
||||
|
||||
void scale3x_16( SDL_Surface *src_surface, SDL_Surface *dst_surface )
|
||||
{
|
||||
Uint8 *src = (Uint8 *)src_surface->pixels, *src_temp,
|
||||
*dst = (Uint8 *)dst_surface->pixels, *dst_temp;
|
||||
int src_pitch = src_surface->pitch,
|
||||
dst_pitch = dst_surface->pitch;
|
||||
const int dst_Bpp = 2; // dst_surface->format->BytesPerPixel
|
||||
|
||||
const int height = vga_height, // src_surface->h
|
||||
width = vga_width; // src_surface->w
|
||||
|
||||
int prevline, nextline;
|
||||
|
||||
Uint16 E0, E1, E2, E3, E4, E5, E6, E7, E8, A, B, C, D, E, F, G, H, I;
|
||||
for (int y = 0; y < height; y++)
|
||||
{
|
||||
src_temp = src;
|
||||
dst_temp = dst;
|
||||
|
||||
prevline = (y > 0) ? -src_pitch : 0;
|
||||
nextline = (y < height - 1) ? src_pitch : 0;
|
||||
|
||||
for (int x = 0; x < width; x++)
|
||||
{
|
||||
A = rgb_palette[*(src + prevline - (x > 0 ? 1 : 0))];
|
||||
B = rgb_palette[*(src + prevline)];
|
||||
C = rgb_palette[*(src + prevline + (x < width - 1 ? 1 : 0))];
|
||||
D = rgb_palette[*(src - (x > 0 ? 1 : 0))];
|
||||
E = rgb_palette[*src];
|
||||
F = rgb_palette[*(src + (x < width - 1 ? 1 : 0))];
|
||||
G = rgb_palette[*(src + nextline - (x > 0 ? 1 : 0))];
|
||||
H = rgb_palette[*(src + nextline)];
|
||||
I = rgb_palette[*(src + nextline + (x < width - 1 ? 1 : 0))];
|
||||
|
||||
if (B != H && D != F) {
|
||||
E0 = D == B ? D : E;
|
||||
E1 = (D == B && E != C) || (B == F && E != A) ? B : E;
|
||||
E2 = B == F ? F : E;
|
||||
E3 = (D == B && E != G) || (D == H && E != A) ? D : E;
|
||||
E4 = E;
|
||||
E5 = (B == F && E != I) || (H == F && E != C) ? F : E;
|
||||
E6 = D == H ? D : E;
|
||||
E7 = (D == H && E != I) || (H == F && E != G) ? H : E;
|
||||
E8 = H == F ? F : E;
|
||||
} else {
|
||||
E0 = E1 = E2 = E3 = E4 = E5 = E6 = E7 = E8 = E;
|
||||
}
|
||||
|
||||
*(Uint16 *)dst = E0;
|
||||
*(Uint16 *)(dst + dst_Bpp) = E1;
|
||||
*(Uint16 *)(dst + 2 * dst_Bpp) = E2;
|
||||
*(Uint16 *)(dst + dst_pitch) = E3;
|
||||
*(Uint16 *)(dst + dst_pitch + dst_Bpp) = E4;
|
||||
*(Uint16 *)(dst + dst_pitch + 2 * dst_Bpp) = E5;
|
||||
*(Uint16 *)(dst + 2 * dst_pitch) = E6;
|
||||
*(Uint16 *)(dst + 2 * dst_pitch + dst_Bpp) = E7;
|
||||
*(Uint16 *)(dst + 2 * dst_pitch + 2 * dst_Bpp) = E8;
|
||||
|
||||
src++;
|
||||
dst += 3 * dst_Bpp;
|
||||
}
|
||||
|
||||
src = src_temp + src_pitch;
|
||||
dst = dst_temp + 3 * dst_pitch;
|
||||
}
|
||||
}
|
||||
|
||||
// kate: tab-width 4; vim: set noet:
|
||||
Reference in New Issue
Block a user