diff options
author | Harry Jeffery <harry@exec64.co.uk> | 2017-04-18 17:24:08 +0100 |
---|---|---|
committer | Harry Jeffery <harry@exec64.co.uk> | 2017-04-18 17:24:08 +0100 |
commit | 8d5166d69ff1abf893409d847adc80a84dc688e8 (patch) | |
tree | 72d6c4c9e0fd78e354c01bbff495526e195eb57c /src | |
parent | f16141f1846d507e02cc1f9ee940a41a07056a4e (diff) | |
download | imv-8d5166d69ff1abf893409d847adc80a84dc688e8.tar.gz |
Add window set-up logic
Diffstat (limited to 'src')
-rw-r--r-- | src/imv.c | 92 | ||||
-rw-r--r-- | src/imv.h | 2 |
2 files changed, 92 insertions, 2 deletions
@@ -79,8 +79,11 @@ struct imv { SDL_Renderer *renderer; TTF_Font *font; SDL_Texture *background_texture; + bool sdl_init; + bool ttf_init; }; +static bool setup_window(struct imv *imv); static void handle_event(struct imv *imv, SDL_Event *event); static void render_window(struct imv *imv); @@ -110,6 +113,8 @@ struct imv *imv_create(void) imv->renderer = NULL; imv->font = NULL; imv->background_texture = NULL; + imv->sdl_init = false; + imv->ttf_init = false; return imv; } @@ -122,6 +127,24 @@ void imv_free(struct imv *imv) if(imv->input_buffer) { free(imv->input_buffer); } + if(imv->renderer) { + SDL_DestroyRenderer(imv->renderer); + } + if(imv->window) { + SDL_DestroyWindow(imv->window); + } + if(imv->background_texture) { + SDL_DestroyTexture(imv->background_texture); + } + if(imv->font) { + TTF_CloseFont(imv->font); + } + if(imv->ttf_init) { + TTF_Quit(); + } + if(imv->sdl_init) { + SDL_Quit(); + } free(imv); } @@ -217,8 +240,11 @@ void imv_add_path(struct imv *imv, const char *path) (void)path; } -int imv_run(struct imv *imv) +bool imv_run(struct imv *imv) { + if(!setup_window(imv)) + return false; + imv->quit = 0; while(!imv->quit) { @@ -240,6 +266,70 @@ int imv_run(struct imv *imv) return 0; } +static bool setup_window(struct imv *imv) +{ + if(SDL_Init(SDL_INIT_VIDEO) != 0) { + fprintf(stderr, "SDL Failed to Init: %s\n", SDL_GetError()); + return false; + } + imv->sdl_init = true; + + /* width and height arbitrarily chosen. Perhaps there's a smarter way to + * set this */ + const int width = 1280; + const int height = 720; + + imv->window = SDL_CreateWindow( + "imv", + SDL_WINDOWPOS_CENTERED, + SDL_WINDOWPOS_CENTERED, + width, height, + SDL_WINDOW_RESIZABLE); + + if(!imv->window) { + fprintf(stderr, "SDL Failed to create window: %s\n", SDL_GetError()); + return false; + } + + /* we'll use SDL's built-in renderer, hardware accelerated if possible */ + imv->renderer = SDL_CreateRenderer(imv->window, -1, 0); + if(!imv->renderer) { + fprintf(stderr, "SDL Failed to create renderer: %s\n", SDL_GetError()); + return false; + } + + /* use the appropriate resampling method */ + SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, + imv->nearest_neighbour ? "0" : "1"); + + /* construct a chequered background texture */ + if(imv->background_type == BACKGROUND_CHEQUERED) { + imv->background_texture = create_chequered(imv->renderer); + } + + /* set up the required fonts and surfaces for displaying the overlay */ + TTF_Init(); + imv->ttf_init = true; + imv->font = load_font(imv->font_name); + if(!imv->font) { + fprintf(stderr, "Error loading font: %s\n", TTF_GetError()); + return false; + } + + imv->texture = imv_texture_create(imv->renderer); + imv->view = imv_viewport_create(imv->window); + + /* put us in fullscren mode to begin with if requested */ + if(imv->fullscreen) { + imv_viewport_toggle_fullscreen(imv->view); + } + + /* start outside of command mode */ + SDL_StopTextInput(); + + return true; +} + static void handle_event(struct imv *imv, SDL_Event *event) { const int command_buffer_len = 1024; @@ -29,7 +29,7 @@ bool imv_parse_args(struct imv *imv, int argc, char **argv); void imv_add_path(struct imv *imv, const char *path); -int imv_run(struct imv *imv); +bool imv_run(struct imv *imv); #endif |