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Small code update

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This commit is contained in:
daa 2017-09-12 23:27:45 +03:00
parent 531c900d66
commit 31a0fea819
2 changed files with 71 additions and 39 deletions
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8
src/color.rs
View File

@ -74,6 +74,14 @@ impl ColorModel {
}
}
pub fn actual_cell_fg<'a>(&'a self, cell: &'a Cell) -> &'a Color {
if !cell.attrs.reverse {
cell.attrs.foreground.as_ref().unwrap_or(&self.fg_color)
} else {
cell.attrs.background.as_ref().unwrap_or(&self.bg_color)
}
}
pub fn cell_bg<'a>(&'a self, cell: &'a Cell) -> Option<&'a Color> {
if !cell.attrs.reverse {
cell.attrs.background.as_ref()

102
src/render/mod.rs
View File

@ -30,57 +30,37 @@ pub fn render(
);
ctx.paint();
let cell_metrics = font_ctx.cell_metrics();
let &CellMetrics {
line_height,
char_width,
underline_position,
underline_thickness,
ascent,
..
} = font_ctx.cell_metrics();
} = cell_metrics;
let (cursor_row, cursor_col) = ui_model.get_cursor();
for (row, line) in ui_model.get_clip_iterator(ctx, font_ctx.cell_metrics()) {
for (row, line) in ui_model.get_clip_iterator(ctx, cell_metrics) {
let line_y = row as f64 * line_height;
let mut line_x = 0.0;
for col in 0..line.line.len() {
let cell = &line.line[col];
let (bg, fg) = color_model.cell_colors(cell);
// draw cell
if let Some(item) = line.item_line[col].as_ref() {
if let Some(bg) = bg {
ctx.set_source_rgb(bg.0, bg.1, bg.2);
ctx.rectangle(
line_x,
line_y,
char_width * line.item_len_from_idx(col) as f64,
line_height,
);
ctx.fill();
}
if let Some(ref glyphs) = item.glyphs {
ctx.move_to(line_x, line_y + ascent);
ctx.set_source_rgb(fg.0, fg.1, fg.2);
ctx.show_glyph_string(item.font(), glyphs);
}
} else if !line.is_binded_to_item(col) {
let bg = color_model.cell_bg(cell);
if let Some(bg) = bg {
ctx.set_source_rgb(bg.0, bg.1, bg.2);
ctx.rectangle(line_x, line_y, char_width, line_height);
ctx.fill();
}
}
draw_cell(
ctx,
cell_metrics,
color_model,
line,
cell,
col,
line_x,
line_y,
);
if cell.attrs.underline || cell.attrs.undercurl {
if cell.attrs.undercurl {
//FIXME: sometime we don't repaint all undercurl lines
let sp = color_model.actual_cell_sp(cell);
ctx.set_source_rgba(sp.0, sp.1, sp.2, 0.7);
@ -88,13 +68,9 @@ pub fn render(
let undercurl_height = (underline_thickness * 4.0).min(max_undercurl_height);
let undercurl_y = line_y + underline_position - undercurl_height / 2.0;
ctx.show_error_underline(
line_x,
undercurl_y,
char_width,
undercurl_height
);
ctx.show_error_underline(line_x, undercurl_y, char_width, undercurl_height);
} else if cell.attrs.underline {
let fg = color_model.actual_cell_fg(cell);
ctx.set_source_rgb(fg.0, fg.1, fg.2);
ctx.set_line_width(underline_thickness);
ctx.move_to(line_x, line_y + underline_position);
@ -120,6 +96,54 @@ pub fn render(
}
}
fn draw_cell(
ctx: &cairo::Context,
cell_metrics: &CellMetrics,
color_model: &color::ColorModel,
line: &ui_model::Line,
cell: &ui_model::Cell,
col: usize,
line_x: f64,
line_y: f64,
) {
let &CellMetrics {
char_width,
line_height,
ascent,
..
} = cell_metrics;
let (bg, fg) = color_model.cell_colors(cell);
if let Some(item) = line.item_line[col].as_ref() {
if let Some(bg) = bg {
ctx.set_source_rgb(bg.0, bg.1, bg.2);
ctx.rectangle(
line_x,
line_y,
char_width * line.item_len_from_idx(col) as f64,
line_height,
);
ctx.fill();
}
if let Some(ref glyphs) = item.glyphs {
ctx.move_to(line_x, line_y + ascent);
ctx.set_source_rgb(fg.0, fg.1, fg.2);
ctx.show_glyph_string(item.font(), glyphs);
}
} else if !line.is_binded_to_item(col) {
let bg = color_model.cell_bg(cell);
if let Some(bg) = bg {
ctx.set_source_rgb(bg.0, bg.1, bg.2);
ctx.rectangle(line_x, line_y, char_width, line_height);
ctx.fill();
}
}
}
pub fn shape_dirty(
ctx: &context::Context,
ui_model: &mut ui_model::UiModel,