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this fixes issue116 and explicitly maintains the aspect ratio in the … #201

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this fixes issue116 and explicitly maintains the aspect ratio in the … #201

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35 changes: 31 additions & 4 deletions examples/player_example.c
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Original file line number Diff line number Diff line change
Expand Up @@ -280,11 +280,38 @@ void player_example_handle_event(player_example *player, SDL_Event *event) {
break;
}
case SDLK_f: {

// store the original aspect ratio for reference
int width = event->window.data1;
int height = event->window.data2;
const float ASPECT_RATIO = (float)width/(float)height;
float aspectRatio;

player->fullscreen = !player->fullscreen;
SDL_SetWindowFullscreen(player->screen,
player->fullscreen ? SDL_WINDOW_FULLSCREEN_DESKTOP : 0);
SDL_SetWindowFullscreen(player->screen,
player->fullscreen ? SDL_WINDOW_FULLSCREEN : 0);
img_to_rgb(player, player->texture, &player->img, player->plane_mask);
player_example_display_frame(player);

// calculate the aspectRatio after the player->screen has been modified
width = player->width;
height = player->height;
aspectRatio = (float)width/(float)height;

// compare and rectify, to maintain the original aspect ratio
if(aspectRatio != ASPECT_RATIO) {
if(aspectRatio > ASPECT_RATIO) {
height = (1.f / ASPECT_RATIO) * width;
}
else {
width = ASPECT_RATIO * height;
}
printf("Setting window size to %d, %d, aspect ratio: %f\n",
width, height, (float)width/(float)height);
}
player->width = width;
player->height = height;

player_example_display_frame(player);
break;
}
default: break;
Expand All @@ -294,7 +321,7 @@ void player_example_handle_event(player_example *player, SDL_Event *event) {
case SDL_WINDOWEVENT: {
switch (event->window.event) {
case SDL_WINDOWEVENT_RESIZED: {
player_example_display_frame(player);
player_example_display_frame(player);
break;
}
default: break;
Expand Down