Updated the README and removed the old graywin test
This commit is contained in:
Sam Lantinga
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ef9497a138
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2 changed files with 3 additions and 276 deletions
20
test/README
20
test/README
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@ -2,20 +2,12 @@
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These are test programs for the SDL library:
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checkkeys Watch the key events to check the keyboard
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graywin Display a gray gradient and center mouse on spacebar
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loopwave Audio test -- loop playing a WAV file
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testalpha Display an alpha faded icon -- paint with mouse
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testaudioinfo Lists audio device capabilities
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testbitmap Test displaying 1-bit bitmaps
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testblitspeed Tests performance of SDL's blitters and converters.
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testcdrom Sample audio CD control program
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testcursor Tests custom mouse cursor
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testdyngl Tests dynamically loading OpenGL library
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testerror Tests multi-threaded error handling
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testfile Tests RWops layer
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testgamma Tests video device gamma ramp
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testgl A very simple example of using OpenGL with SDL
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testgl2 An even simpler example using the SDL 2.0 API
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testgl2 A very simple example of using OpenGL with SDL
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testhread Hacked up test of multi-threading
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testiconv Tests international string conversion
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testjoystick List joysticks and watch joystick events
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@ -23,19 +15,13 @@ These are test programs for the SDL library:
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testloadso Tests the loadable library layer
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testlock Hacked up test of multi-threading and locking
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testmultiaudio Tests using several audio devices
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testoverlay Tests the software/hardware overlay functionality.
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testoverlay2 Tests the overlay flickering/scaling during playback.
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testpalette Tests palette color cycling
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testplatform Tests types, endianness and cpu capabilities
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testsem Tests SDL's semaphore implementation
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testshape Tests shaped windows
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testsprite Example of fast sprite movement on the screen
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testsprite2 Improved version of testsprite
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testsprite2 Example of fast sprite movement on the screen
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testtimer Test the timer facilities
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testver Check the version and dynamic loading and endianness
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testvidinfo Show the pixel format of the display and perfom the benchmark
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testwin Display a BMP image at various depths
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testwm Test window manager -- title, icon, events
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testwm2 Improved version of testwm
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threadwin Test multi-threaded event handling
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testwm2 Test window manager -- title, icon, events
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torturethread Simple test for thread creation/destruction
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259
test/graywin.c
259
test/graywin.c
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@ -1,259 +0,0 @@
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/*
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Copyright (C) 1997-2011 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely.
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*/
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/* Simple program: Fill a colormap with gray and stripe it down the screen */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include "SDL.h"
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#ifdef TEST_VGA16 /* Define this if you want to test VGA 16-color video modes */
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#define NUM_COLORS 16
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#else
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#define NUM_COLORS 256
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#endif
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/* Draw a randomly sized and colored box centered about (X,Y) */
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void
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DrawBox(SDL_Surface * screen, int X, int Y, int width, int height)
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{
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static unsigned int seeded = 0;
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SDL_Rect area;
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Uint32 color;
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Uint32 randc;
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/* Seed the random number generator */
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if (seeded == 0) {
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srand((unsigned int)time(NULL));
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seeded = 1;
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}
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/* Get the bounds of the rectangle */
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area.w = (rand() % width);
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area.h = (rand() % height);
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area.x = X - (area.w / 2);
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area.y = Y - (area.h / 2);
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randc = (rand() % NUM_COLORS);
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if (screen->format->BytesPerPixel == 1) {
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color = randc;
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} else {
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color = SDL_MapRGB(screen->format, randc, randc, randc);
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}
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/* Do it! */
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SDL_FillRect(screen, &area, color);
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if (screen->flags & SDL_DOUBLEBUF) {
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SDL_Flip(screen);
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} else {
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SDL_UpdateRects(screen, 1, &area);
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}
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}
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void
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DrawBackground(SDL_Surface * screen)
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{
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int i, j, k;
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Uint8 *buffer;
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Uint16 *buffer16;
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Uint16 color;
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Uint8 gradient;
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/* Set the surface pixels and refresh! */
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/* Use two loops in case the surface is double-buffered (both sides) */
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for (j = 0; j < 2; ++j) {
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if (SDL_LockSurface(screen) < 0) {
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fprintf(stderr, "Couldn't lock display surface: %s\n",
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SDL_GetError());
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return;
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}
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buffer = (Uint8 *) screen->pixels;
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if (screen->format->BytesPerPixel != 2) {
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for (i = 0; i < screen->h; ++i) {
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memset(buffer, (i * (NUM_COLORS - 1)) / screen->h,
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screen->w * screen->format->BytesPerPixel);
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buffer += screen->pitch;
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}
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} else {
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for (i = 0; i < screen->h; ++i) {
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gradient = ((i * (NUM_COLORS - 1)) / screen->h);
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color =
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SDL_MapRGB(screen->format, gradient, gradient, gradient);
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buffer16 = (Uint16 *) buffer;
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for (k = 0; k < screen->w; k++) {
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*(buffer16 + k) = color;
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}
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buffer += screen->pitch;
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}
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}
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SDL_UnlockSurface(screen);
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if (screen->flags & SDL_DOUBLEBUF) {
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SDL_Flip(screen);
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} else {
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SDL_UpdateRect(screen, 0, 0, 0, 0);
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break;
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}
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}
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}
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SDL_Surface *
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CreateScreen(Uint16 w, Uint16 h, Uint8 bpp, Uint32 flags)
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{
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SDL_Surface *screen;
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int i;
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SDL_Color palette[NUM_COLORS];
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/* Set the video mode */
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screen = SDL_SetVideoMode(w, h, bpp, flags);
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if (screen == NULL) {
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fprintf(stderr, "Couldn't set display mode: %s\n", SDL_GetError());
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return (NULL);
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}
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fprintf(stderr, "Screen is in %s mode\n",
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(screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed");
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if (bpp == 8) {
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/* Set a gray colormap, reverse order from white to black */
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for (i = 0; i < NUM_COLORS; ++i) {
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palette[i].r = (NUM_COLORS - 1) - i * (256 / NUM_COLORS);
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palette[i].g = (NUM_COLORS - 1) - i * (256 / NUM_COLORS);
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palette[i].b = (NUM_COLORS - 1) - i * (256 / NUM_COLORS);
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}
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SDL_SetColors(screen, palette, 0, NUM_COLORS);
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}
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return (screen);
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}
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int
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main(int argc, char *argv[])
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{
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SDL_Surface *screen;
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Uint32 videoflags;
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int done;
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SDL_Event event;
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int width, height, bpp;
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/* Initialize SDL */
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if (SDL_Init(SDL_INIT_VIDEO) < 0) {
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fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
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exit(1);
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}
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/* See if we try to get a hardware colormap */
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width = 640;
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height = 480;
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bpp = 8;
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videoflags = SDL_SWSURFACE;
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while (argc > 1) {
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--argc;
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if (argv[argc - 1] && (strcmp(argv[argc - 1], "-width") == 0)) {
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width = atoi(argv[argc]);
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--argc;
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} else if (argv[argc - 1]
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&& (strcmp(argv[argc - 1], "-height") == 0)) {
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height = atoi(argv[argc]);
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--argc;
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} else if (argv[argc - 1] && (strcmp(argv[argc - 1], "-bpp") == 0)) {
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bpp = atoi(argv[argc]);
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--argc;
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} else if (argv[argc] && (strcmp(argv[argc], "-hw") == 0)) {
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videoflags |= SDL_HWSURFACE;
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} else if (argv[argc] && (strcmp(argv[argc], "-hwpalette") == 0)) {
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videoflags |= SDL_HWPALETTE;
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} else if (argv[argc] && (strcmp(argv[argc], "-flip") == 0)) {
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videoflags |= SDL_DOUBLEBUF;
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} else if (argv[argc] && (strcmp(argv[argc], "-noframe") == 0)) {
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videoflags |= SDL_NOFRAME;
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} else if (argv[argc] && (strcmp(argv[argc], "-resize") == 0)) {
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videoflags |= SDL_RESIZABLE;
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} else if (argv[argc] && (strcmp(argv[argc], "-fullscreen") == 0)) {
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videoflags |= SDL_FULLSCREEN;
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} else {
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fprintf(stderr,
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"Usage: %s [-width] [-height] [-bpp] [-hw] [-hwpalette] [-flip] [-noframe] [-fullscreen] [-resize]\n",
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argv[0]);
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exit(1);
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}
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}
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/* Set a video mode */
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screen = CreateScreen(width, height, bpp, videoflags);
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if (screen == NULL) {
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exit(2);
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}
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DrawBackground(screen);
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/* Wait for a keystroke */
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done = 0;
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while (!done && SDL_WaitEvent(&event)) {
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switch (event.type) {
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case SDL_MOUSEBUTTONDOWN:
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DrawBox(screen, event.button.x, event.button.y, width, height);
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break;
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case SDL_KEYDOWN:
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/* Ignore ALT-TAB for windows */
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if ((event.key.keysym.sym == SDLK_LALT) ||
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(event.key.keysym.sym == SDLK_TAB)) {
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break;
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}
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/* Center the mouse on <SPACE> */
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if (event.key.keysym.sym == SDLK_SPACE) {
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SDL_WarpMouse(width / 2, height / 2);
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break;
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}
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/* Toggle fullscreen mode on <RETURN> */
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if (event.key.keysym.sym == SDLK_RETURN) {
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videoflags ^= SDL_FULLSCREEN;
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screen = CreateScreen(screen->w, screen->h,
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screen->format->BitsPerPixel,
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videoflags);
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if (screen == NULL) {
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fprintf(stderr, "Couldn't toggle fullscreen mode\n");
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done = 1;
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}
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DrawBackground(screen);
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break;
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}
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/* Any other key quits the application... */
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case SDL_QUIT:
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done = 1;
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break;
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case SDL_VIDEOEXPOSE:
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DrawBackground(screen);
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break;
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case SDL_VIDEORESIZE:
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printf("Screen resized to %dx%d\n", event.resize.w,
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event.resize.h);
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screen =
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CreateScreen(event.resize.w, event.resize.h,
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screen->format->BitsPerPixel, videoflags);
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if (screen == NULL) {
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fprintf(stderr, "Couldn't resize video mode\n");
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done = 1;
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}
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DrawBackground(screen);
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break;
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default:
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break;
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}
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}
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SDL_Quit();
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return (0);
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}
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