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feat: jpeg image rendering, desktop backgrounds, fix memory regression

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This commit is contained in:
Daniel Hammer
2026-02-27 19:01:07 +01:00
parent f28b850db2
commit e95089192f
19 changed files with 9019 additions and 29 deletions
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programs/src/desktop/main.cpp
+21 -4
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@@ -5,6 +5,7 @@
*/
#include "apps_common.hpp"
#include "wallpaper.hpp"
// ============================================================================
// Desktop Implementation
@@ -71,14 +72,23 @@ void gui::desktop_init(DesktopState* ds) {
// Settings defaults
ds->settings.bg_gradient = true;
ds->settings.bg_image = false;
ds->settings.bg_grad_top = Color::from_rgb(0xD0, 0xD8, 0xE8);
ds->settings.bg_grad_bottom = Color::from_rgb(0xA0, 0xA8, 0xB8);
ds->settings.bg_solid = Color::from_rgb(0xD0, 0xD8, 0xE8);
ds->settings.panel_color = colors::PANEL_BG;
ds->settings.bg_image_path[0] = '\0';
ds->settings.bg_wallpaper = nullptr;
ds->settings.bg_wallpaper_w = 0;
ds->settings.bg_wallpaper_h = 0;
ds->settings.panel_color = Color::from_rgb(0x10, 0x10, 0x10);
ds->settings.accent_color = colors::ACCENT;
ds->settings.show_shadows = true;
ds->settings.clock_24h = true;
ds->settings.ui_scale = 1;
// Try to load default wallpaper
wallpaper_load(&ds->settings, "0:/home/troy-olson-MhYIwOiyZpM-unsplash.jpg",
ds->screen_w, ds->screen_h);
zenith::win_setscale(1);
ds->ctx_menu_open = false;
@@ -299,8 +309,10 @@ void gui::desktop_draw_panel(DesktopState* ds) {
fb.fill_rect(0, y, sw, 1, Color::from_rgb(r, g, b));
}
// Bottom highlight line
fb.fill_rect(0, PANEL_HEIGHT - 1, sw, 1, Color::from_rgba(0xFF, 0xFF, 0xFF, 0x10));
// Bottom highlight line (skip when wallpaper is set — the white bleeds through)
if (!ds->settings.bg_image) {
fb.fill_rect(0, PANEL_HEIGHT - 1, sw, 1, Color::from_rgba(0xFF, 0xFF, 0xFF, 0x10));
}
// App menu button (left side)
int btn_x = 4;
@@ -880,7 +892,12 @@ void gui::desktop_compose(DesktopState* ds) {
for (int y = 0; y < sh; y++) {
uint32_t* row = (uint32_t*)((uint8_t*)buf + y * pitch);
if (y < grad_start) {
if (ds->settings.bg_image && ds->settings.bg_wallpaper) {
// Wallpaper covers the entire screen; panel draws on top
uint32_t* wp = ds->settings.bg_wallpaper + y * ds->settings.bg_wallpaper_w;
int cw = sw < ds->settings.bg_wallpaper_w ? sw : ds->settings.bg_wallpaper_w;
for (int x = 0; x < cw; x++) row[x] = wp[x];
} else if (y < grad_start) {
// Panel area - will be overwritten by panel drawing
uint32_t px = ds->settings.panel_color.to_pixel();
for (int x = 0; x < sw; x++) row[x] = px;