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feat: S3 sleep, PDF viewer graphics rendering, live user environment

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This commit is contained in:
Daniel Hammer
2026-03-15 18:46:54 +01:00
parent 64c26f4288
commit ffffb6a0c5
26 changed files with 1541 additions and 248 deletions
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programs/src/pdfviewer/render.cpp
+41 -2
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@@ -48,6 +48,38 @@ void render(uint32_t* pixels) {
pixels[row * g_win_w + col] = white;
}
// Draw graphics items (lines, filled rectangles)
for (int i = 0; i < page->gfx_count; i++) {
GraphicsItem* gi = &page->gfx_items[i];
Color gfx_color = Color::from_rgb(gi->r, gi->g, gi->b);
if (gi->type == GFX_RECT_FILL) {
// gi->x1,y1 = rect origin (PDF coords), gi->x2,y2 = width,height
int rx = page_x + (int)(gi->x1 * g_zoom);
int ry = page_y + (int)((page->height - gi->y1 - gi->y2) * g_zoom);
int rw = (int)(gi->x2 * g_zoom);
int rh = (int)(gi->y2 * g_zoom);
if (rw < 0) { rx += rw; rw = -rw; }
if (rh < 0) { ry += rh; rh = -rh; }
// Clip to content area
if (ry + rh > clip_y0 && ry < clip_y1)
px_fill(pixels, g_win_w, g_win_h, rx, ry, rw, rh, gfx_color);
} else {
// GFX_LINE or GFX_RECT_STROKE
int lx0 = page_x + (int)(gi->x1 * g_zoom);
int ly0 = page_y + (int)((page->height - gi->y1) * g_zoom);
int lx1 = page_x + (int)(gi->x2 * g_zoom);
int ly1 = page_y + (int)((page->height - gi->y2) * g_zoom);
int lw = (int)(gi->line_width * g_zoom + 0.5f);
if (lw < 1) lw = 1;
// Basic clip check
int min_y = ly0 < ly1 ? ly0 : ly1;
int max_y = ly0 > ly1 ? ly0 : ly1;
if (max_y + lw >= clip_y0 && min_y - lw < clip_y1)
px_line(pixels, g_win_w, g_win_h, lx0, ly0, lx1, ly1, lw, gfx_color);
}
}
// Draw text items
for (int i = 0; i < page->item_count; i++) {
TextItem* item = &page->items[i];
@@ -75,11 +107,18 @@ void render(uint32_t* pixels) {
if (px_size < 4) px_size = 4;
if (px_size > 120) px_size = 120;
// draw_to_buffer treats y as top of text box, but PDF
// specifies the baseline. Subtract ascent so the rendered
// baseline lands at the correct position.
GlyphCache* gc = font->get_cache(px_size);
int baseline_adj = gc ? gc->ascent : (int)(px_size * 0.8f);
int ty = sy - baseline_adj;
if (item->font) {
// Embedded font: pass raw character codes directly
// (subset fonts use codes 0-N that map through the font's cmap)
font->draw_to_buffer(pixels, g_win_w, g_win_h,
sx, sy, item->text, TEXT_COLOR, px_size);
sx, ty, item->text, TEXT_COLOR, px_size);
} else {
// System font: filter out non-printable characters
char render_text[MAX_TEXT_LEN];
@@ -96,7 +135,7 @@ void render(uint32_t* pixels) {
if (ri > 0) {
font->draw_to_buffer(pixels, g_win_w, g_win_h,
sx, sy, render_text, TEXT_COLOR, px_size);
sx, ty, render_text, TEXT_COLOR, px_size);
}
}
}