test/teststreaming.c
author Alex Baines <alex@abaines.me.uk>
Tue, 19 Aug 2014 23:31:50 +0100
changeset 9097 56d712662a82
parent 8149 681eb46b8ac4
child 9101 f0c55792deed
permissions -rw-r--r--
Add a SDL_IM_INTERNAL_EDITING event to make IMs like iBus render editing text in its own UI instead of sending TEXTEDITING events.
This is useful for applications that handle TEXTINPUT events but not TEXTEDITING events.
     1 /*
     2   Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
     3 
     4   This software is provided 'as-is', without any express or implied
     5   warranty.  In no event will the authors be held liable for any damages
     6   arising from the use of this software.
     7 
     8   Permission is granted to anyone to use this software for any purpose,
     9   including commercial applications, and to alter it and redistribute it
    10   freely.
    11 */
    12 /********************************************************************************
    13  *                                                                              *
    14  * Running moose :) Coded by Mike Gorchak.                                      *
    15  *                                                                              *
    16  ********************************************************************************/
    17 
    18 #include <stdlib.h>
    19 #include <stdio.h>
    20 
    21 #include "SDL.h"
    22 
    23 #define MOOSEPIC_W 64
    24 #define MOOSEPIC_H 88
    25 
    26 #define MOOSEFRAME_SIZE (MOOSEPIC_W * MOOSEPIC_H)
    27 #define MOOSEFRAMES_COUNT 10
    28 
    29 SDL_Color MooseColors[84] = {
    30     {49, 49, 49}, {66, 24, 0}, {66, 33, 0}, {66, 66, 66},
    31     {66, 115, 49}, {74, 33, 0}, {74, 41, 16}, {82, 33, 8},
    32     {82, 41, 8}, {82, 49, 16}, {82, 82, 82}, {90, 41, 8},
    33     {90, 41, 16}, {90, 57, 24}, {99, 49, 16}, {99, 66, 24},
    34     {99, 66, 33}, {99, 74, 33}, {107, 57, 24}, {107, 82, 41},
    35     {115, 57, 33}, {115, 66, 33}, {115, 66, 41}, {115, 74, 0},
    36     {115, 90, 49}, {115, 115, 115}, {123, 82, 0}, {123, 99, 57},
    37     {132, 66, 41}, {132, 74, 41}, {132, 90, 8}, {132, 99, 33},
    38     {132, 99, 66}, {132, 107, 66}, {140, 74, 49}, {140, 99, 16},
    39     {140, 107, 74}, {140, 115, 74}, {148, 107, 24}, {148, 115, 82},
    40     {148, 123, 74}, {148, 123, 90}, {156, 115, 33}, {156, 115, 90},
    41     {156, 123, 82}, {156, 132, 82}, {156, 132, 99}, {156, 156, 156},
    42     {165, 123, 49}, {165, 123, 90}, {165, 132, 82}, {165, 132, 90},
    43     {165, 132, 99}, {165, 140, 90}, {173, 132, 57}, {173, 132, 99},
    44     {173, 140, 107}, {173, 140, 115}, {173, 148, 99}, {173, 173, 173},
    45     {181, 140, 74}, {181, 148, 115}, {181, 148, 123}, {181, 156, 107},
    46     {189, 148, 123}, {189, 156, 82}, {189, 156, 123}, {189, 156, 132},
    47     {189, 189, 189}, {198, 156, 123}, {198, 165, 132}, {206, 165, 99},
    48     {206, 165, 132}, {206, 173, 140}, {206, 206, 206}, {214, 173, 115},
    49     {214, 173, 140}, {222, 181, 148}, {222, 189, 132}, {222, 189, 156},
    50     {222, 222, 222}, {231, 198, 165}, {231, 231, 231}, {239, 206, 173}
    51 };
    52 
    53 Uint8 MooseFrames[MOOSEFRAMES_COUNT][MOOSEFRAME_SIZE];
    54 
    55 void quit(int rc)
    56 {
    57     SDL_Quit();
    58     exit(rc);
    59 }
    60 
    61 void UpdateTexture(SDL_Texture *texture, int frame)
    62 {
    63     SDL_Color *color;
    64     Uint8 *src;
    65     Uint32 *dst;
    66     int row, col;
    67     void *pixels;
    68     int pitch;
    69 
    70     if (SDL_LockTexture(texture, NULL, &pixels, &pitch) < 0) {
    71         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't lock texture: %s\n", SDL_GetError());
    72         quit(5);
    73     }
    74     src = MooseFrames[frame];
    75     for (row = 0; row < MOOSEPIC_H; ++row) {
    76         dst = (Uint32*)((Uint8*)pixels + row * pitch);
    77         for (col = 0; col < MOOSEPIC_W; ++col) {
    78             color = &MooseColors[*src++];
    79             *dst++ = (0xFF000000|(color->r<<16)|(color->g<<8)|color->b);
    80         }
    81     }
    82     SDL_UnlockTexture(texture);
    83 }
    84 
    85 int
    86 main(int argc, char **argv)
    87 {
    88     SDL_Window *window;
    89     SDL_Renderer *renderer;
    90     SDL_RWops *handle;
    91     SDL_Texture *MooseTexture;
    92     SDL_Event event;
    93     SDL_bool done = SDL_FALSE;
    94     int frame;
    95 
    96 	/* Enable standard application logging */
    97     SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
    98 
    99     if (SDL_Init(SDL_INIT_VIDEO) < 0) {
   100         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
   101         return 1;
   102     }
   103 
   104     /* load the moose images */
   105     handle = SDL_RWFromFile("moose.dat", "rb");
   106     if (handle == NULL) {
   107         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Can't find the file moose.dat !\n");
   108         quit(2);
   109     }
   110     SDL_RWread(handle, MooseFrames, MOOSEFRAME_SIZE, MOOSEFRAMES_COUNT);
   111     SDL_RWclose(handle);
   112 
   113 
   114     /* Create the window and renderer */
   115     window = SDL_CreateWindow("Happy Moose",
   116                               SDL_WINDOWPOS_UNDEFINED,
   117                               SDL_WINDOWPOS_UNDEFINED,
   118                               MOOSEPIC_W*4, MOOSEPIC_H*4,
   119                               SDL_WINDOW_RESIZABLE);
   120     if (!window) {
   121         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't set create window: %s\n", SDL_GetError());
   122         quit(3);
   123     }
   124 
   125     renderer = SDL_CreateRenderer(window, -1, 0);
   126     if (!renderer) {
   127         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't set create renderer: %s\n", SDL_GetError());
   128         quit(4);
   129     }
   130 
   131     MooseTexture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STREAMING, MOOSEPIC_W, MOOSEPIC_H);
   132     if (!MooseTexture) {
   133         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't set create texture: %s\n", SDL_GetError());
   134         quit(5);
   135     }
   136 
   137     /* Loop, waiting for QUIT or the escape key */
   138     frame = 0;
   139     while (!done) {
   140         while (SDL_PollEvent(&event)) {
   141             switch (event.type) {
   142             case SDL_KEYDOWN:
   143                 if (event.key.keysym.sym == SDLK_ESCAPE) {
   144                     done = SDL_TRUE;
   145                 }
   146                 break;
   147             case SDL_QUIT:
   148                 done = SDL_TRUE;
   149                 break;
   150             }
   151         }
   152 
   153         frame = (frame + 1) % MOOSEFRAMES_COUNT;
   154         UpdateTexture(MooseTexture, frame);
   155 
   156         SDL_RenderClear(renderer);
   157         SDL_RenderCopy(renderer, MooseTexture, NULL, NULL);
   158         SDL_RenderPresent(renderer);
   159     }
   160     SDL_DestroyRenderer(renderer);
   161 
   162     quit(0);
   163     return 0;
   164 }
   165 
   166 /* vi: set ts=4 sw=4 expandtab: */