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sdl: adapt test programm

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Issue #2507.
This commit is contained in:
Josef Söntgen 2017-08-21 14:21:42 +02:00 committed by Christian Helmuth
parent b9bc48dd63
commit 0fa9a0dda7
1 changed files with 13 additions and 15 deletions
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28
repos/libports/src/test/sdl/main.cc
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@ -37,30 +37,28 @@
#include <base/printf.h>
#include <timer_session/connection.h>
/* the attributes of the screen */
const int SCREEN_WIDTH = 1024;
const int SCREEN_HEIGHT = 768;
const int SCREEN_BPP = 16;
int main( int argc, char* args[] )
{
/* start SDL */
if(SDL_Init(SDL_INIT_VIDEO) == -1)
{
PWRN("SDL_Init returned evil! ...");
if (SDL_Init(SDL_INIT_VIDEO) == -1) {
printf("Error: could not initialize SDL: %s\n", SDL_GetError());
return 1;
}
/* set up the screen */
SDL_Surface *screen = SDL_SetVideoMode(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP, SDL_SWSURFACE);
if(screen == 0)
return 1;
SDL_Surface *screen = SDL_SetVideoMode(0, 0, 16, SDL_SWSURFACE);
if(screen == nullptr) { return 1; }
int const scr_width = screen->w;
int const scr_height = screen->h;
/* paint something into pixel buffer */
short* pixels = (short*) screen->pixels;
for (int i = 0; i < SCREEN_HEIGHT; i++)
for (int j = 0; j < SCREEN_WIDTH; j++)
pixels[i*SCREEN_WIDTH+j] = (i/32)*32*64 + (j/32)*32 + i*j/1024;
short* const pixels = (short* const) screen->pixels;
for (int i = 0; i < scr_height; i++) {
for (int j = 0; j < scr_width; j++) {
pixels[i*scr_width+j] = (i/32)*32*64 + (j/32)*32 + i*j/1024;
}
}
SDL_UpdateRect(screen, 0, 0, 0, 0);
bool done = false;