diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/loader.c (renamed from src/image.c) | 166 | ||||
| -rw-r--r-- | src/loader.h (renamed from src/image.h) | 16 | ||||
| -rw-r--r-- | src/main.c | 40 | ||||
| -rw-r--r-- | src/viewport.c | 45 | ||||
| -rw-r--r-- | src/viewport.h | 14 |
5 files changed, 140 insertions, 141 deletions
diff --git a/src/image.c b/src/loader.c index 64fa3b8..c9c5976 100644 --- a/src/image.c +++ b/src/loader.c @@ -15,30 +15,30 @@ along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ -#include "image.h" +#include "loader.h" -void imv_init_image(struct imv_image *img) +void imv_init_loader(struct imv_loader *ldr) { - img->mbmp = NULL; - img->cur_bmp = NULL; - img->width = 0; - img->height = 0; - img->cur_frame = 0; - img->next_frame = 0; - img->num_frames = 0; - img->frame_time = 0; - img->changed = 0; + ldr->mbmp = NULL; + ldr->cur_bmp = NULL; + ldr->width = 0; + ldr->height = 0; + ldr->cur_frame = 0; + ldr->next_frame = 0; + ldr->num_frames = 0; + ldr->frame_time = 0; + ldr->changed = 0; } -void imv_destroy_image(struct imv_image *img) +void imv_destroy_loader(struct imv_loader *ldr) { - if(img->cur_bmp) { - FreeImage_Unload(img->cur_bmp); - img->cur_bmp = NULL; + if(ldr->cur_bmp) { + FreeImage_Unload(ldr->cur_bmp); + ldr->cur_bmp = NULL; } - if(img->mbmp) { - FreeImage_CloseMultiBitmap(img->mbmp, 0); - img->mbmp = NULL; + if(ldr->mbmp) { + FreeImage_CloseMultiBitmap(ldr->mbmp, 0); + ldr->mbmp = NULL; } } @@ -51,16 +51,16 @@ int imv_can_load_image(const char* path) } } -int imv_image_load(struct imv_image *img, const char* path) +int imv_loader_load(struct imv_loader *ldr, const char* path) { - if(img->mbmp) { - FreeImage_CloseMultiBitmap(img->mbmp, 0); - img->mbmp = NULL; + if(ldr->mbmp) { + FreeImage_CloseMultiBitmap(ldr->mbmp, 0); + ldr->mbmp = NULL; } - if(img->cur_bmp) { - FreeImage_Unload(img->cur_bmp); - img->cur_bmp = NULL; + if(ldr->cur_bmp) { + FreeImage_Unload(ldr->cur_bmp); + ldr->cur_bmp = NULL; } @@ -70,53 +70,53 @@ int imv_image_load(struct imv_image *img, const char* path) return 1; } - img->num_frames = 0; - img->cur_frame = 0; - img->next_frame = 0; - img->frame_time = 0; + ldr->num_frames = 0; + ldr->cur_frame = 0; + ldr->next_frame = 0; + ldr->frame_time = 0; if(fmt == FIF_GIF) { - img->mbmp = FreeImage_OpenMultiBitmap(FIF_GIF, path, + ldr->mbmp = FreeImage_OpenMultiBitmap(FIF_GIF, path, /* don't create file */ 0, /* read only */ 1, /* keep in memory */ 1, /* flags */ GIF_LOAD256); - if(!img->mbmp) { + if(!ldr->mbmp) { return 1; } - img->num_frames = FreeImage_GetPageCount(img->mbmp); + ldr->num_frames = FreeImage_GetPageCount(ldr->mbmp); /* get the dimensions from the first frame */ - FIBITMAP *frame = FreeImage_LockPage(img->mbmp, 0); - img->width = FreeImage_GetWidth(frame); - img->height = FreeImage_GetHeight(frame); - if(!imv_image_is_animated(img)) { - img->cur_bmp = FreeImage_ConvertTo32Bits(frame); + FIBITMAP *frame = FreeImage_LockPage(ldr->mbmp, 0); + ldr->width = FreeImage_GetWidth(frame); + ldr->height = FreeImage_GetHeight(frame); + if(!imv_loader_is_animated(ldr)) { + ldr->cur_bmp = FreeImage_ConvertTo32Bits(frame); } - FreeImage_UnlockPage(img->mbmp, frame, 0); + FreeImage_UnlockPage(ldr->mbmp, frame, 0); - if(imv_image_is_animated(img)) { + if(imv_loader_is_animated(ldr)) { /* load a frame */ - imv_image_load_next_frame(img); + imv_loader_load_next_frame(ldr); } } else { FIBITMAP *image = FreeImage_Load(fmt, path, 0); if(!image) { return 1; } - img->cur_bmp = FreeImage_ConvertTo32Bits(image); - img->width = FreeImage_GetWidth(img->cur_bmp); - img->height = FreeImage_GetHeight(img->cur_bmp); + ldr->cur_bmp = FreeImage_ConvertTo32Bits(image); + ldr->width = FreeImage_GetWidth(ldr->cur_bmp); + ldr->height = FreeImage_GetHeight(ldr->cur_bmp); FreeImage_Unload(image); } - img->changed = 1; + ldr->changed = 1; return 0; } -void imv_image_load_next_frame(struct imv_image *img) +void imv_loader_load_next_frame(struct imv_loader *ldr) { - if(!imv_image_is_animated(img)) { + if(!imv_loader_is_animated(ldr)) { return; } @@ -126,13 +126,13 @@ void imv_image_load_next_frame(struct imv_image *img) short top = 0; short left = 0; - img->cur_frame = img->next_frame; - img->next_frame = (img->cur_frame + 1) % img->num_frames; - FIBITMAP *frame = FreeImage_LockPage(img->mbmp, img->cur_frame); + ldr->cur_frame = ldr->next_frame; + ldr->next_frame = (ldr->cur_frame + 1) % ldr->num_frames; + FIBITMAP *frame = FreeImage_LockPage(ldr->mbmp, ldr->cur_frame); FIBITMAP *frame32 = FreeImage_ConvertTo32Bits(frame); /* First frame is always going to use the raw frame */ - if(img->cur_frame > 0) { + if(ldr->cur_frame > 0) { FreeImage_GetMetadata(FIMD_ANIMATION, frame, "DisposalMethod", &tag); if(FreeImage_GetTagValue(tag)) { disposal_method = *(char*)FreeImage_GetTagValue(tag); @@ -158,14 +158,14 @@ void imv_image_load_next_frame(struct imv_image *img) if(frame_time == 0) { frame_time = 100; } - img->frame_time += frame_time * 0.001; + ldr->frame_time += frame_time * 0.001; - FreeImage_UnlockPage(img->mbmp, frame, 0); + FreeImage_UnlockPage(ldr->mbmp, frame, 0); /* If this frame is inset, we need to expand it for compositing */ - if(img->width != (int)FreeImage_GetWidth(frame32) || - img->height != (int)FreeImage_GetHeight(frame32)) { - FIBITMAP *expanded = FreeImage_Allocate(img->width, img->height, 32, 0,0,0); + if(ldr->width != (int)FreeImage_GetWidth(frame32) || + ldr->height != (int)FreeImage_GetHeight(frame32)) { + FIBITMAP *expanded = FreeImage_Allocate(ldr->width, ldr->height, 32, 0,0,0); FreeImage_Paste(expanded, frame32, left, top, 255); FreeImage_Unload(frame32); frame32 = expanded; @@ -173,65 +173,65 @@ void imv_image_load_next_frame(struct imv_image *img) switch(disposal_method) { case 0: /* nothing specified, just use the raw frame */ - if(img->cur_bmp) { - FreeImage_Unload(img->cur_bmp); + if(ldr->cur_bmp) { + FreeImage_Unload(ldr->cur_bmp); } - img->cur_bmp = frame32; + ldr->cur_bmp = frame32; break; case 1: /* composite over previous frame */ - if(img->cur_bmp && img->cur_frame > 0) { - FIBITMAP *bg_frame = FreeImage_ConvertTo24Bits(img->cur_bmp); - FreeImage_Unload(img->cur_bmp); + if(ldr->cur_bmp && ldr->cur_frame > 0) { + FIBITMAP *bg_frame = FreeImage_ConvertTo24Bits(ldr->cur_bmp); + FreeImage_Unload(ldr->cur_bmp); FIBITMAP *comp = FreeImage_Composite(frame32, 1, NULL, bg_frame); FreeImage_Unload(bg_frame); FreeImage_Unload(frame32); - img->cur_bmp = comp; + ldr->cur_bmp = comp; } else { /* No previous frame, just render directly */ - if(img->cur_bmp) { - FreeImage_Unload(img->cur_bmp); + if(ldr->cur_bmp) { + FreeImage_Unload(ldr->cur_bmp); } - img->cur_bmp = frame32; + ldr->cur_bmp = frame32; } break; case 2: /* TODO - set to background, composite over that */ - if(img->cur_bmp) { - FreeImage_Unload(img->cur_bmp); + if(ldr->cur_bmp) { + FreeImage_Unload(ldr->cur_bmp); } - img->cur_bmp = frame32; + ldr->cur_bmp = frame32; break; case 3: /* TODO - restore to previous content */ - if(img->cur_bmp) { - FreeImage_Unload(img->cur_bmp); + if(ldr->cur_bmp) { + FreeImage_Unload(ldr->cur_bmp); } - img->cur_bmp = frame32; + ldr->cur_bmp = frame32; break; } - img->changed = 1; + ldr->changed = 1; } -int imv_image_is_animated(struct imv_image *img) +int imv_loader_is_animated(struct imv_loader *ldr) { - return img->num_frames > 1; + return ldr->num_frames > 1; } -void imv_image_play(struct imv_image *img, double time) +void imv_loader_play(struct imv_loader *ldr, double time) { - if(!imv_image_is_animated(img)) { + if(!imv_loader_is_animated(ldr)) { return; } - img->frame_time -= time; - if(img->frame_time < 0) { - img->frame_time = 0; - imv_image_load_next_frame(img); + ldr->frame_time -= time; + if(ldr->frame_time < 0) { + ldr->frame_time = 0; + imv_loader_load_next_frame(ldr); } } -int imv_image_has_changed(struct imv_image *img) +int imv_loader_has_changed(struct imv_loader *ldr) { - if(img->changed) { - img->changed = 0; + if(ldr->changed) { + ldr->changed = 0; return 1; } else { return 0; diff --git a/src/image.h b/src/loader.h index 96f0d51..02d53ad 100644 --- a/src/image.h +++ b/src/loader.h @@ -20,7 +20,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. #include <FreeImage.h> -struct imv_image { +struct imv_loader { FIMULTIBITMAP *mbmp; FIBITMAP *cur_bmp; int width; @@ -32,16 +32,16 @@ struct imv_image { double frame_time; }; -void imv_init_image(struct imv_image *img); -void imv_destroy_image(struct imv_image *img); +void imv_init_loader(struct imv_loader *img); +void imv_destroy_loader(struct imv_loader *img); int imv_can_load_image(const char* path); -int imv_image_load(struct imv_image *img, const char* path); -void imv_image_load_next_frame(struct imv_image *img); +int imv_loader_load(struct imv_loader *img, const char* path); +void imv_loader_load_next_frame(struct imv_loader *img); -int imv_image_is_animated(struct imv_image *img); -void imv_image_play(struct imv_image *img, double time); +int imv_loader_is_animated(struct imv_loader *img); +void imv_loader_play(struct imv_loader *img, double time); -int imv_image_has_changed(struct imv_image *img); +int imv_loader_has_changed(struct imv_loader *img); #endif @@ -24,7 +24,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. #include <getopt.h> #include <ctype.h> -#include "image.h" +#include "loader.h" #include "texture.h" #include "navigator.h" #include "viewport.h" @@ -273,8 +273,8 @@ int main(int argc, char** argv) SDL_Surface *overlay_surf = NULL; SDL_Texture *overlay_tex = NULL; - struct imv_image img; - imv_init_image(&img); + struct imv_loader ldr; + imv_init_loader(&ldr); struct imv_texture tex; imv_init_texture(&tex, renderer); @@ -309,24 +309,24 @@ int main(int argc, char** argv) case SDLK_EQUALS: case SDLK_i: case SDLK_UP: - imv_viewport_zoom(&view, &img, IMV_ZOOM_KEYBOARD, 1); + imv_viewport_zoom(&view, &ldr, IMV_ZOOM_KEYBOARD, 1); break; case SDLK_MINUS: case SDLK_o: case SDLK_DOWN: - imv_viewport_zoom(&view, &img, IMV_ZOOM_KEYBOARD, -1); + imv_viewport_zoom(&view, &ldr, IMV_ZOOM_KEYBOARD, -1); break; - case SDLK_a: imv_viewport_scale_to_actual(&view, &img);break; - case SDLK_r: imv_viewport_scale_to_window(&view, &img);break; - case SDLK_c: imv_viewport_center(&view, &img); break; + case SDLK_a: imv_viewport_scale_to_actual(&view, &ldr);break; + case SDLK_r: imv_viewport_scale_to_window(&view, &ldr);break; + case SDLK_c: imv_viewport_center(&view, &ldr); break; case SDLK_j: imv_viewport_move(&view, 0, -50); break; case SDLK_k: imv_viewport_move(&view, 0, 50); break; case SDLK_h: imv_viewport_move(&view, 50, 0); break; case SDLK_l: imv_viewport_move(&view, -50, 0); break; case SDLK_x: imv_navigator_remove_current_path(&nav); break; case SDLK_f: imv_viewport_toggle_fullscreen(&view); break; - case SDLK_PERIOD: imv_image_load_next_frame(&img); break; - case SDLK_SPACE: imv_viewport_toggle_playing(&view, &img);break; + case SDLK_PERIOD: imv_loader_load_next_frame(&ldr); break; + case SDLK_SPACE: imv_viewport_toggle_playing(&view, &ldr);break; case SDLK_p: puts(imv_navigator_get_current_path(&nav));break; case SDLK_d: g_options.overlay = !g_options.overlay; @@ -335,7 +335,7 @@ int main(int argc, char** argv) } break; case SDL_MOUSEWHEEL: - imv_viewport_zoom(&view, &img, IMV_ZOOM_MOUSE, e.wheel.y); + imv_viewport_zoom(&view, &ldr, IMV_ZOOM_MOUSE, e.wheel.y); break; case SDL_MOUSEMOTION: if(e.motion.state & SDL_BUTTON_LMASK) { @@ -343,7 +343,7 @@ int main(int argc, char** argv) } break; case SDL_WINDOWEVENT: - imv_viewport_updated(&view, &img); + imv_viewport_updated(&view, &ldr); break; } } @@ -364,14 +364,14 @@ int main(int argc, char** argv) exit(1); } - if(imv_image_load(&img, current_path) != 0) { + if(imv_loader_load(&ldr, current_path) != 0) { imv_navigator_remove_current_path(&nav); } else { snprintf(&title[0], sizeof(title), "imv - [%i/%i] [%ix%i] %s", nav.cur_path + 1, nav.num_paths, - img.width, img.height, current_path); + ldr.width, ldr.height, current_path); imv_viewport_set_title(&view, title); - imv_viewport_scale_to_window(&view, &img); + imv_viewport_scale_to_window(&view, &ldr); if(overlay_surf) { free(overlay_surf); @@ -392,7 +392,7 @@ int main(int argc, char** argv) } if(g_options.actual) { - imv_viewport_scale_to_actual(&view, &img); + imv_viewport_scale_to_actual(&view, &ldr); } } @@ -400,11 +400,11 @@ int main(int argc, char** argv) double cur_time = SDL_GetTicks() / 1000.0; double dt = cur_time - last_time; last_time = SDL_GetTicks() / 1000.0; - imv_image_play(&img, dt); + imv_loader_play(&ldr, dt); } - if(imv_image_has_changed(&img)) { - imv_texture_set_image(&tex, img.cur_bmp); + if(imv_loader_has_changed(&ldr)) { + imv_texture_set_image(&tex, ldr.cur_bmp); imv_viewport_set_redraw(&view); } @@ -442,7 +442,7 @@ int main(int argc, char** argv) SDL_Delay(10); } - imv_destroy_image(&img); + imv_destroy_loader(&ldr); imv_destroy_texture(&tex); imv_destroy_navigator(&nav); imv_destroy_viewport(&view); diff --git a/src/viewport.c b/src/viewport.c index 0cb3c14..f53c0fa 100644 --- a/src/viewport.c +++ b/src/viewport.c @@ -16,7 +16,6 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include "viewport.h" -#include "image.h" void imv_init_viewport(struct imv_viewport *view, SDL_Window *window) { @@ -44,21 +43,21 @@ void imv_viewport_toggle_fullscreen(struct imv_viewport *view) } } -void imv_viewport_toggle_playing(struct imv_viewport *view, struct imv_image *img) +void imv_viewport_toggle_playing(struct imv_viewport *view, struct imv_loader *ldr) { if(view->playing) { view->playing = 0; - } else if(imv_image_is_animated(img)) { + } else if(imv_loader_is_animated(ldr)) { view->playing = 1; } } -void imv_viewport_scale_to_actual(struct imv_viewport *view, const struct imv_image *img) +void imv_viewport_scale_to_actual(struct imv_viewport *view, const struct imv_loader *ldr) { view->scale = 1; view->redraw = 1; view->locked = 1; - imv_viewport_center(view, img); + imv_viewport_center(view, ldr); } void imv_viewport_move(struct imv_viewport *view, int x, int y) @@ -69,30 +68,30 @@ void imv_viewport_move(struct imv_viewport *view, int x, int y) view->locked = 1; } -void imv_viewport_zoom(struct imv_viewport *view, const struct imv_image *img, enum imv_zoom_source src, int amount) +void imv_viewport_zoom(struct imv_viewport *view, const struct imv_loader *ldr, enum imv_zoom_source src, int amount) { double prev_scale = view->scale; int x, y, ww, wh; SDL_GetWindowSize(view->window, &ww, &wh); - /* x and y cordinates are relative to the image */ + /* x and y cordinates are relative to the loader */ if(src == IMV_ZOOM_MOUSE) { SDL_GetMouseState(&x, &y); x -= view->x; y -= view->y; } else { - x = view->scale * img->width / 2; - y = view->scale * img->height / 2; + x = view->scale * ldr->width / 2; + y = view->scale * ldr->height / 2; } - const int scaled_width = img->width * view->scale; - const int scaled_height = img->height * view->scale; + const int scaled_width = ldr->width * view->scale; + const int scaled_height = ldr->height * view->scale; const int ic_x = view->x + scaled_width/2; const int ic_y = view->y + scaled_height/2; const int wc_x = ww/2; const int wc_y = wh/2; - double delta_scale = 0.04 * ww * amount / img->width; + double delta_scale = 0.04 * ww * amount / ldr->width; view->scale += delta_scale; const double min_scale = 0.1; @@ -129,35 +128,35 @@ void imv_viewport_zoom(struct imv_viewport *view, const struct imv_image *img, e view->locked = 1; } -void imv_viewport_center(struct imv_viewport *view, const struct imv_image* img) +void imv_viewport_center(struct imv_viewport *view, const struct imv_loader* ldr) { int ww, wh; SDL_GetWindowSize(view->window, &ww, &wh); - view->x = (ww - img->width * view->scale) / 2; - view->y = (wh - img->height * view->scale) / 2; + view->x = (ww - ldr->width * view->scale) / 2; + view->y = (wh - ldr->height * view->scale) / 2; view->locked = 1; view->redraw = 1; } -void imv_viewport_scale_to_window(struct imv_viewport *view, const struct imv_image* img) +void imv_viewport_scale_to_window(struct imv_viewport *view, const struct imv_loader* ldr) { int ww, wh; SDL_GetWindowSize(view->window, &ww, &wh); double window_aspect = (double)ww / (double)wh; - double image_aspect = (double)img->width / (double)img->height; + double image_aspect = (double)ldr->width / (double)ldr->height; if(window_aspect > image_aspect) { /* Image will become too tall before it becomes too wide */ - view->scale = (double)wh / (double)img->height; + view->scale = (double)wh / (double)ldr->height; } else { /* Image will become too wide before it becomes too tall */ - view->scale = (double)ww / (double)img->width; + view->scale = (double)ww / (double)ldr->width; } - imv_viewport_center(view, img); + imv_viewport_center(view, ldr); view->locked = 0; } @@ -171,13 +170,13 @@ void imv_viewport_set_title(struct imv_viewport *view, char* title) SDL_SetWindowTitle(view->window, title); } -void imv_viewport_updated(struct imv_viewport *view, struct imv_image* img) +void imv_viewport_updated(struct imv_viewport *view, struct imv_loader* ldr) { view->redraw = 1; if(view->locked) { return; } - imv_viewport_scale_to_window(view, img); - imv_viewport_center(view, img); + imv_viewport_scale_to_window(view, ldr); + imv_viewport_center(view, ldr); } diff --git a/src/viewport.h b/src/viewport.h index 096f17a..ad3ac23 100644 --- a/src/viewport.h +++ b/src/viewport.h @@ -19,7 +19,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include <SDL2/SDL.h> -#include "image.h" +#include "loader.h" struct imv_viewport { SDL_Window *window; @@ -40,15 +40,15 @@ void imv_init_viewport(struct imv_viewport *view, SDL_Window *window); void imv_destroy_viewport(struct imv_viewport *view); void imv_viewport_toggle_fullscreen(struct imv_viewport*); -void imv_viewport_toggle_playing(struct imv_viewport*, struct imv_image*); +void imv_viewport_toggle_playing(struct imv_viewport*, struct imv_loader*); void imv_viewport_reset(struct imv_viewport*); void imv_viewport_move(struct imv_viewport*, int, int); -void imv_viewport_zoom(struct imv_viewport*, const struct imv_image*, enum imv_zoom_source, int); -void imv_viewport_center(struct imv_viewport*, const struct imv_image*); -void imv_viewport_scale_to_actual(struct imv_viewport*, const struct imv_image*); -void imv_viewport_scale_to_window(struct imv_viewport*, const struct imv_image*); +void imv_viewport_zoom(struct imv_viewport*, const struct imv_loader*, enum imv_zoom_source, int); +void imv_viewport_center(struct imv_viewport*, const struct imv_loader*); +void imv_viewport_scale_to_actual(struct imv_viewport*, const struct imv_loader*); +void imv_viewport_scale_to_window(struct imv_viewport*, const struct imv_loader*); void imv_viewport_set_redraw(struct imv_viewport*); void imv_viewport_set_title(struct imv_viewport*, char*); -void imv_viewport_updated(struct imv_viewport*, struct imv_image*); +void imv_viewport_updated(struct imv_viewport*, struct imv_loader*); #endif |