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Code

Scale image according to current window size

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This commit is contained in:
Michael Vetter 2020-12-24 07:40:35 +01:00
parent c67bce4480
commit 540966a46c
1 changed files with 15 additions and 7 deletions
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22
src/ui/window.c
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@ -1962,7 +1962,6 @@ void
win_pictest(ProfWin* window) win_pictest(ProfWin* window)
{ {
GdkPixbuf *file = gdk_pixbuf_new_from_file ("/home/michael/Pictures/test.png", NULL); GdkPixbuf *file = gdk_pixbuf_new_from_file ("/home/michael/Pictures/test.png", NULL);
//GdkPixbuf *file = gdk_pixbuf_new_from_file ("/home/michael/ask2.png", NULL);
if (file == NULL) { if (file == NULL) {
win_println(window, THEME_ERROR, "!", "pictest"); win_println(window, THEME_ERROR, "!", "pictest");
return; return;
@ -1972,25 +1971,34 @@ win_pictest(ProfWin* window)
ChafaSymbolMap *symbol_map; ChafaSymbolMap *symbol_map;
symbol_map = chafa_symbol_map_new (); symbol_map = chafa_symbol_map_new ();
//chafa_symbol_map_add_by_tags (symbol_map, CHAFA_SYMBOL_TAG_ALL);
chafa_symbol_map_add_by_tags (symbol_map, CHAFA_SYMBOL_TAG_ASCII); chafa_symbol_map_add_by_tags (symbol_map, CHAFA_SYMBOL_TAG_ASCII);
//chafa_symbol_map_add_by_tags (symbol_map, CHAFA_SYMBOL_TAG_ALL);
//chafa_symbol_map_add_by_tags (symbol_map, CHAFA_SYMBOL_TAG_BRAILLE); //chafa_symbol_map_add_by_tags (symbol_map, CHAFA_SYMBOL_TAG_BRAILLE);
//chafa_symbol_map_add_by_tags (symbol_map, CHAFA_SYMBOL_TAG_BLOCK | CHAFA_SYMBOL_TAG_BORDER); //chafa_symbol_map_add_by_tags (symbol_map, CHAFA_SYMBOL_TAG_BLOCK | CHAFA_SYMBOL_TAG_BORDER);
//chafa_symbol_map_add_by_tags (symbol_map, CHAFA_SYMBOL_TAG_BLOCK | CHAFA_SYMBOL_TAG_BORDER | CHAFA_SYMBOL_TAG_SPACE); //chafa_symbol_map_add_by_tags (symbol_map, CHAFA_SYMBOL_TAG_BLOCK | CHAFA_SYMBOL_TAG_BORDER | CHAFA_SYMBOL_TAG_SPACE);
// TODO: use chafa_calc_canvas_geometry() to get recommended canvas size // calculate how much space we have on curent screen
gint width = getmaxx(stdscr);
gint height = screen_mainwin_row_end() - screen_mainwin_row_end();
// get recommended canvas size. image will be scaled accordingly
chafa_calc_canvas_geometry(gdk_pixbuf_get_width(file), gdk_pixbuf_get_height(file),
&width,
&height,
0.5,
TRUE,
FALSE);
// TODO: could be a that a user shrinks its terminal. then we would need to redraw I guess? // TODO: could be a that a user shrinks its terminal. then we would need to redraw I guess?
config = chafa_canvas_config_new (); config = chafa_canvas_config_new ();
//chafa_canvas_config_set_geometry (config, 23, 12); chafa_canvas_config_set_geometry (config, width, height);
chafa_canvas_config_set_geometry (config, 100, 65);
chafa_canvas_config_set_symbol_map (config, symbol_map); chafa_canvas_config_set_symbol_map (config, symbol_map);
// mono for now (no escape code) // mono for now (no escape code)
chafa_canvas_config_set_canvas_mode (config, CHAFA_CANVAS_MODE_FGBG); chafa_canvas_config_set_canvas_mode (config, CHAFA_CANVAS_MODE_FGBG);
canvas = chafa_canvas_new (config); canvas = chafa_canvas_new (config);
//CHAFA_PIXEL_RGBA8_UNASSOCIATED,
guchar *pixels = gdk_pixbuf_get_pixels (file); guchar *pixels = gdk_pixbuf_get_pixels (file);
chafa_canvas_draw_all_pixels (canvas, chafa_canvas_draw_all_pixels (canvas,
CHAFA_PIXEL_ARGB8_UNASSOCIATED, CHAFA_PIXEL_ARGB8_UNASSOCIATED,
@ -2000,5 +2008,5 @@ win_pictest(ProfWin* window)
gdk_pixbuf_get_rowstride(file)); gdk_pixbuf_get_rowstride(file));
GString *gs = chafa_canvas_build_ansi (canvas); GString *gs = chafa_canvas_build_ansi (canvas);
win_print(window, THEME_DEFAULT, "!", gs->str); win_println(window, THEME_DEFAULT, "!", gs->str);
} }