From 1d1d643c67c1f4463210ff17af960d5beb4bb386 Mon Sep 17 00:00:00 2001 From: Sam Hocevar Date: Sat, 9 Sep 2006 15:40:16 +0000 Subject: [PATCH] * Added demo0.c, which is basically the old libcaca-0.9 demo.c file, as a test for the emulation layer. --- test/Makefile.am | 5 +- test/demo0.c | 581 +++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 585 insertions(+), 1 deletion(-) create mode 100644 test/demo0.c diff --git a/test/Makefile.am b/test/Makefile.am index 6dce79e..6442263 100644 --- a/test/Makefile.am +++ b/test/Makefile.am @@ -2,7 +2,7 @@ AM_CPPFLAGS = -I$(top_srcdir) -I$(top_srcdir)/cucul -I$(top_srcdir)/caca -DDATADIR=\"$(pkgdatadir)\" -noinst_PROGRAMS = colors demo dithering event export font frames gamma hsv input matrix spritedit font2tga text transform truecolor unicode import +noinst_PROGRAMS = colors demo demo0 dithering event export font frames gamma hsv input matrix spritedit font2tga text transform truecolor unicode import colors_SOURCES = colors.c colors_LDADD = ../caca/libcaca.la ../cucul/libcucul.la @CACA_LIBS@ @@ -10,6 +10,9 @@ colors_LDADD = ../caca/libcaca.la ../cucul/libcucul.la @CACA_LIBS@ demo_SOURCES = demo.c demo_LDADD = ../caca/libcaca.la ../cucul/libcucul.la @CACA_LIBS@ @MATH_LIBS@ +demo0_SOURCES = demo0.c +demo0_LDADD = ../caca/libcaca.la ../cucul/libcucul.la @CACA_LIBS@ @MATH_LIBS@ + dithering_SOURCES = dithering.c dithering_LDADD = ../caca/libcaca.la ../cucul/libcucul.la @CACA_LIBS@ diff --git a/test/demo0.c b/test/demo0.c new file mode 100644 index 0000000..7ff06fb --- /dev/null +++ b/test/demo0.c @@ -0,0 +1,581 @@ +/* + * demo demo for libcaca version 0.9 + * Copyright (c) 2003 Sam Hocevar + * All Rights Reserved + * + * $Id$ + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "config.h" + +#include +#include +#include + +#include "caca0.h" + +static void display_menu(void); + +static void demo_all(void); + +static void demo_color(void); +static void demo_dots(void); +static void demo_lines(void); +static void demo_boxes(void); +static void demo_ellipses(void); +static void demo_triangles(void); +#if 0 +static void demo_sprites(void); +#endif +static void demo_render(void); + +int bounds = 0; +int outline = 0; +int dithering = 0; +struct caca_sprite *sprite = NULL; + +int main(int argc, char **argv) +{ + void (*demo)(void) = NULL; + int quit = 0; + + if(caca_init()) + return 1; + + caca_set_delay(40000); + + /* Initialize data */ +#if 0 + sprite = caca_load_sprite(DATADIR "/caca.txt"); + if(!sprite) + sprite = caca_load_sprite("caca.txt"); + if(!sprite) + sprite = caca_load_sprite("examples/caca.txt"); +#endif + + /* Main menu */ + display_menu(); + caca_refresh(); + + /* Go ! */ + while(!quit) + { + int menu = 0, mouse = 0, xmouse = 0, ymouse = 0; + int event; + + while((event = caca_get_event(CACA_EVENT_ANY))) + { + if(demo && (event & CACA_EVENT_KEY_PRESS)) + { + menu = 1; + demo = NULL; + } + else if(event & CACA_EVENT_KEY_PRESS) + { + switch(event & 0xffff) + { + case 'q': + case 'Q': + demo = NULL; + quit = 1; + break; + case 'o': + case 'O': + outline = (outline + 1) % 3; + display_menu(); + break; + case 'b': + case 'B': + bounds = (bounds + 1) % 2; + display_menu(); + break; + case 'd': + case 'D': + dithering = (dithering + 1) % 5; + caca_set_dithering(dithering); + display_menu(); + break; + case 'c': + demo = demo_color; + break; + case 'f': + case 'F': + demo = demo_all; + break; + case '1': + demo = demo_dots; + break; + case '2': + demo = demo_lines; + break; + case '3': + demo = demo_boxes; + break; + case '4': + demo = demo_triangles; + break; + case '5': + demo = demo_ellipses; + break; +#if 0 + case 's': + case 'S': + if(sprite) + demo = demo_sprites; + break; +#endif + case 'r': + case 'R': + demo = demo_render; + break; + } + + if(demo) + caca_clear(); + } + else if(event & CACA_EVENT_MOUSE_MOTION) + { + mouse = 1; + xmouse = (event & 0xfff000) >> 12; + ymouse = event & 0xfff; + } + } + + if(menu || (mouse && !demo)) + { + display_menu(); + if(mouse && !demo) + { + caca_set_color(CACA_COLOR_RED, CACA_COLOR_BLACK); + caca_putstr(xmouse, ymouse, "|\\"); + } + caca_refresh(); + mouse = menu = 0; + } + + if(demo) + { + demo(); + + caca_set_color(CACA_COLOR_LIGHTGRAY, CACA_COLOR_BLACK); + caca_draw_thin_box(1, 1, caca_get_width() - 2, caca_get_height() - 2); + caca_printf(4, 1, "[%i.%i fps]----", + 1000000 / caca_get_rendertime(), + (10000000 / caca_get_rendertime()) % 10); + caca_refresh(); + } + } + + /* Clean up */ +#if 0 + caca_free_sprite(sprite); +#endif + caca_end(); + + return 0; +} + +static void display_menu(void) +{ + int xo = caca_get_width() - 2; + int yo = caca_get_height() - 2; + + caca_clear(); + caca_set_color(CACA_COLOR_LIGHTGRAY, CACA_COLOR_BLACK); + caca_draw_thin_box(1, 1, xo, yo); + + caca_putstr((xo - strlen("libcaca demo")) / 2, 3, "libcaca demo"); + caca_putstr((xo - strlen("==============")) / 2, 4, "=============="); + + caca_putstr(4, 6, "demos:"); + caca_putstr(4, 7, "'f': full"); + caca_putstr(4, 8, "'1': dots"); + caca_putstr(4, 9, "'2': lines"); + caca_putstr(4, 10, "'3': boxes"); + caca_putstr(4, 11, "'4': triangles"); + caca_putstr(4, 12, "'5': ellipses"); + caca_putstr(4, 13, "'c': colour"); + caca_putstr(4, 14, "'r': render"); + if(sprite) + caca_putstr(4, 15, "'s': sprites"); + + caca_putstr(4, 16, "settings:"); + caca_printf(4, 17, "'o': outline: %s", + outline == 0 ? "none" : outline == 1 ? "solid" : "thin"); + caca_printf(4, 18, "'b': drawing boundaries: %s", + bounds == 0 ? "screen" : "infinite"); + caca_printf(4, 19, "'d': dithering (%s)", + caca_get_dithering_name(dithering)); + + caca_putstr(4, yo - 2, "'q': quit"); +} + +static void demo_all(void) +{ + static int i = 0; + + int j, xo, yo, xa, ya, xb, yb, xc, yc; + + i++; + + caca_clear(); + + /* Draw the sun */ + caca_set_color(CACA_COLOR_YELLOW, CACA_COLOR_BLACK); + xo = caca_get_width() / 4; + yo = caca_get_height() / 4 + 5 * sin(0.03*i); + + for(j = 0; j < 16; j++) + { + xa = xo - (30 + sin(0.03*i) * 8) * sin(0.03*i + M_PI*j/8); + ya = yo + (15 + sin(0.03*i) * 4) * cos(0.03*i + M_PI*j/8); + caca_draw_thin_line(xo, yo, xa, ya); + } + + j = 15 + sin(0.03*i) * 8; + caca_set_color(CACA_COLOR_WHITE, CACA_COLOR_BLACK); + caca_fill_ellipse(xo, yo, j, j / 2, '#'); + caca_set_color(CACA_COLOR_YELLOW, CACA_COLOR_BLACK); + caca_draw_ellipse(xo, yo, j, j / 2, '#'); + + /* Draw the pyramid */ + xo = caca_get_width() * 5 / 8; + yo = 2; + + xa = caca_get_width() / 8 + sin(0.03*i) * 5; + ya = caca_get_height() / 2 + cos(0.03*i) * 5; + + xb = caca_get_width() - 10 - cos(0.02*i) * 10; + yb = caca_get_height() * 3 / 4 - 5 + sin(0.02*i) * 5; + + xc = caca_get_width() / 4 - sin(0.02*i) * 5; + yc = caca_get_height() * 3 / 4 + cos(0.02*i) * 5; + + caca_set_color(CACA_COLOR_GREEN, CACA_COLOR_BLACK); + caca_fill_triangle(xo, yo, xb, yb, xa, ya, '%'); + caca_set_color(CACA_COLOR_YELLOW, CACA_COLOR_BLACK); + caca_draw_thin_triangle(xo, yo, xb, yb, xa, ya); + + caca_set_color(CACA_COLOR_RED, CACA_COLOR_BLACK); + caca_fill_triangle(xa, ya, xb, yb, xc, yc, '#'); + caca_set_color(CACA_COLOR_YELLOW, CACA_COLOR_BLACK); + caca_draw_thin_triangle(xa, ya, xb, yb, xc, yc); + + caca_set_color(CACA_COLOR_BLUE, CACA_COLOR_BLACK); + caca_fill_triangle(xo, yo, xb, yb, xc, yc, '%'); + caca_set_color(CACA_COLOR_YELLOW, CACA_COLOR_BLACK); + caca_draw_thin_triangle(xo, yo, xb, yb, xc, yc); + + /* Draw a background triangle */ + xa = 2; + ya = 2; + + xb = caca_get_width() - 3; + yb = caca_get_height() / 2; + + xc = caca_get_width() / 3; + yc = caca_get_height() - 3; + + caca_set_color(CACA_COLOR_CYAN, CACA_COLOR_BLACK); + caca_draw_thin_triangle(xa, ya, xb, yb, xc, yc); + + xo = caca_get_width() / 2 + cos(0.027*i) * caca_get_width() / 3; + yo = caca_get_height() / 2 - sin(0.027*i) * caca_get_height() / 2; + + caca_draw_thin_line(xa, ya, xo, yo); + caca_draw_thin_line(xb, yb, xo, yo); + caca_draw_thin_line(xc, yc, xo, yo); + + /* Draw a sprite on the pyramid */ +#if 0 + caca_draw_sprite(xo, yo, sprite, 0); +#endif + + /* Draw a trail behind the foreground sprite */ + for(j = i - 60; j < i; j++) + { + int delta = caca_rand(-5, 5); + caca_set_color(caca_rand(0, 15), caca_rand(0, 15)); + caca_putchar(caca_get_width() / 2 + + cos(0.02*j) * (delta + caca_get_width() / 4), + caca_get_height() / 2 + + sin(0.02*j) * (delta + caca_get_height() / 3), + '#'); + } + + /* Draw foreground sprite */ +#if 0 + caca_draw_sprite(caca_get_width() / 2 + cos(0.02*i) * caca_get_width() / 4, + caca_get_height() / 2 + sin(0.02*i) * caca_get_height() / 3, + sprite, 0); +#endif +} + +static void demo_dots(void) +{ + int xmax = caca_get_width() - 1; + int ymax = caca_get_height() - 1; + int i; + static char chars[10] = + { + '+', '-', '*', '#', 'X', '@', '%', '$', 'M', 'W' + }; + + for(i = 1000; i--;) + { + /* Putpixel */ + caca_set_color(caca_rand(0, 15), caca_rand(0, 15)); + caca_putchar(caca_rand(0, xmax), caca_rand(0, ymax), + chars[caca_rand(0, 9)]); + } +} + +static void demo_color(void) +{ + int i, j; + char buf[BUFSIZ]; + + caca_clear(); + for(i = 0; i < 16; i++) + { + sprintf(buf, "'%c': %i (%s)", 'a' + i, i, caca_get_color_name(i)); + caca_set_color(CACA_COLOR_LIGHTGRAY, CACA_COLOR_BLACK); + caca_putstr(4, i + (i >= 8 ? 4 : 3), buf); + for(j = 0; j < 16; j++) + { + caca_set_color(i, j); + caca_putstr((j >= 8 ? 41 : 40) + j * 2, i + (i >= 8 ? 4 : 3), "# "); + } + } +} + +static void demo_lines(void) +{ + int w = caca_get_width(); + int h = caca_get_height(); + int xa, ya, xb, yb; + + if(bounds) + { + xa = caca_rand(- w, 2 * w); ya = caca_rand(- h, 2 * h); + xb = caca_rand(- w, 2 * w); yb = caca_rand(- h, 2 * h); + } + else + { + xa = caca_rand(0, w - 1); ya = caca_rand(0, h - 1); + xb = caca_rand(0, w - 1); yb = caca_rand(0, h - 1); + } + + caca_set_color(caca_rand(0, 15), CACA_COLOR_BLACK); + if(outline > 1) + caca_draw_thin_line(xa, ya, xb, yb); + else + caca_draw_line(xa, ya, xb, yb, '#'); +} + +static void demo_boxes(void) +{ + int w = caca_get_width(); + int h = caca_get_height(); + int xa, ya, xb, yb; + + if(bounds) + { + xa = caca_rand(- w, 2 * w); ya = caca_rand(- h, 2 * h); + xb = caca_rand(- w, 2 * w); yb = caca_rand(- h, 2 * h); + } + else + { + xa = caca_rand(0, w - 1); ya = caca_rand(0, h - 1); + xb = caca_rand(0, w - 1); yb = caca_rand(0, h - 1); + } + + caca_set_color(caca_rand(0, 15), caca_rand(0, 15)); + caca_fill_box(xa, ya, xb, yb, '#'); + + caca_set_color(caca_rand(0, 15), CACA_COLOR_BLACK); + if(outline == 2) + caca_draw_thin_box(xa, ya, xb, yb); + else if(outline == 1) + caca_draw_box(xa, ya, xb, yb, '#'); +} + +static void demo_ellipses(void) +{ + int w = caca_get_width(); + int h = caca_get_height(); + int x, y, a, b; + + if(bounds) + { + x = caca_rand(- w, 2 * w); y = caca_rand(- h, 2 * h); + a = caca_rand(0, w); b = caca_rand(0, h); + } + else + { + do + { + x = caca_rand(0, w); y = caca_rand(0, h); + a = caca_rand(0, w); b = caca_rand(0, h); + + } while(x - a < 0 || x + a >= w || y - b < 0 || y + b >= h); + } + + caca_set_color(caca_rand(0, 15), caca_rand(0, 15)); + caca_fill_ellipse(x, y, a, b, '#'); + + caca_set_color(caca_rand(0, 15), CACA_COLOR_BLACK); + if(outline == 2) + caca_draw_thin_ellipse(x, y, a, b); + else if(outline == 1) + caca_draw_ellipse(x, y, a, b, '#'); +} + +static void demo_triangles(void) +{ + int w = caca_get_width(); + int h = caca_get_height(); + int xa, ya, xb, yb, xc, yc; + + if(bounds) + { + xa = caca_rand(- w, 2 * w); ya = caca_rand(- h, 2 * h); + xb = caca_rand(- w, 2 * w); yb = caca_rand(- h, 2 * h); + xc = caca_rand(- w, 2 * w); yc = caca_rand(- h, 2 * h); + } + else + { + + xa = caca_rand(0, w - 1); ya = caca_rand(0, h - 1); + xb = caca_rand(0, w - 1); yb = caca_rand(0, h - 1); + xc = caca_rand(0, w - 1); yc = caca_rand(0, h - 1); + } + + caca_set_color(caca_rand(0, 15), caca_rand(0, 15)); + caca_fill_triangle(xa, ya, xb, yb, xc, yc, '#'); + + caca_set_color(caca_rand(0, 15), CACA_COLOR_BLACK); + if(outline == 2) + caca_draw_thin_triangle(xa, ya, xb, yb, xc, yc); + else if(outline == 1) + caca_draw_triangle(xa, ya, xb, yb, xc, yc, '#'); +} + +#if 0 +static void demo_sprites(void) +{ + caca_draw_sprite(caca_rand(0, caca_get_width() - 1), + caca_rand(0, caca_get_height() - 1), sprite, 0); +} +#endif + +#if 0 +static void demo_render(void) +{ + struct caca_bitmap *bitmap; + //short buffer[256*256]; + //short *dest = buffer; + int buffer[256*256]; + int *dest = buffer; + int x, y, z; + static int i = 0; + + i = (i + 1) % 512; + z = i < 256 ? i : 511 - i; + + for(x = 0; x < 256; x++) + for(y = 0; y < 256; y++) + { + //*dest++ = ((x >> 3) << 11) | ((y >> 2) << 5) | ((z >> 3)); + *dest++ = (x << 16) | (y << 8) | (z); + } + + //bitmap = caca_create_bitmap(16, 256, 256, 2 * 256, 0xf800, 0x07e0, 0x001f, 0x0000); + bitmap = caca_create_bitmap(32, 256, 256, 4 * 256, 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000); + caca_draw_bitmap(0, 0, caca_get_width() - 1, caca_get_height() - 1, + bitmap, buffer); + caca_free_bitmap(bitmap); +} +#endif + +static void draw_circle(int *buffer, int xo, int yo, int r, int mask, int val); + +static void demo_render(void) +{ + struct caca_bitmap *bitmap; + int buffer[256*256]; + int *dest; + int x, y, z, xo, yo; + static int i = 0; + + i++; + + dest = buffer; + for(x = 0; x < 256; x++) + for(y = 0; y < 256; y++) + { + *dest++ = 0xff000000; + } + + /* red */ + xo = 128 + 48 * sin(0.02 * i); + yo = 128 + 48 * cos(0.03 * i); + for(z = 0; z < 240; z++) + draw_circle(buffer, xo, yo, z, 0x00ff0000, 200 << 16); + + /* green */ + xo = 128 + 48 * sin(2 + 0.06 * i); + yo = 128 + 48 * cos(2 + 0.05 * i); + for(z = 0; z < 240; z++) + draw_circle(buffer, xo, yo, z, 0x0000ff00, 200 << 8); + + /* blue */ + xo = 128 + 48 * sin(1 + 0.04 * i); + yo = 128 + 48 * cos(1 + 0.03 * i); + for(z = 0; z < 240; z++) + draw_circle(buffer, xo, yo, z, 0x000000ff, 200); + + bitmap = caca_create_bitmap(32, 256, 256, 4 * 256, 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000); + caca_draw_bitmap(0, 0, caca_get_width() - 1, caca_get_height() - 1, + bitmap, (char *)buffer); + caca_free_bitmap(bitmap); +} + +static void draw_circle(int *buffer, int x, int y, int r, int mask, int val) +{ + int t, dx, dy; + +#define POINT(X,Y) \ + buffer[(X) + 256 * (Y)] = 0xff000000 | (buffer[(X) + 256 * (Y)] & ~mask) | val; + + for(t = 0, dx = 0, dy = r; dx <= dy; dx++) + { + POINT(x - dx / 3, y - dy / 3); + POINT(x + dx / 3, y - dy / 3); + POINT(x - dx / 3, y + dy / 3); + POINT(x + dx / 3, y + dy / 3); + + POINT(x - dy / 3, y - dx / 3); + POINT(x + dy / 3, y - dx / 3); + POINT(x - dy / 3, y + dx / 3); + POINT(x + dy / 3, y + dx / 3); + + t += t > 0 ? dx - dy-- : dx; + } +} +