diff options
| -rw-r--r-- | main.c | 12 |
1 files changed, 11 insertions, 1 deletions
@@ -34,6 +34,7 @@ int main(int argc, char** argv) int next_path = 0; SDL_Texture *img = NULL; + double scale = 1; int quit = 0; int redraw = 1; while(!quit) { @@ -57,6 +58,14 @@ int main(int argc, char** argv) if(next_path < 0) next_path = num_paths - 1; break; + case SDLK_UP: + scale = (scale + 0.1 < 10) ? scale + 0.1 : scale; + redraw = 1; + break; + case SDLK_DOWN: + scale = (scale - 0.1 >= 1) ? scale - 0.1 : scale; + redraw = 1; + break; } break; case SDL_WINDOWEVENT: @@ -77,6 +86,7 @@ int main(int argc, char** argv) img = NULL; } img = imv_load_image(renderer, paths[cur_path]); + scale = 1; redraw = 1; } @@ -87,7 +97,7 @@ int main(int argc, char** argv) int img_w, img_h, img_access; unsigned int img_format; SDL_QueryTexture(img, &img_format, &img_access, &img_w, &img_h); - SDL_Rect area = {0,0,img_w,img_h}; + SDL_Rect area = {0,0,img_w*scale,img_h*scale}; SDL_RenderCopy(renderer, img, &area, &area); } |