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plug-ins: port sample-colorize drawing to cairo

This commit is contained in:
Michael Natterer 2010-09-09 14:07:27 +02:00
parent 333eeab13f
commit 52a6a8deb8
1 changed files with 43 additions and 45 deletions
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88
plug-ins/common/sample-colorize.c
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@ -920,34 +920,21 @@ update_preview (gint32 *id_ptr)
}
static void
levels_draw_slider (GdkWindow *window,
GdkGC *border_gc,
GdkGC *fill_gc,
gint xpos)
levels_draw_slider (cairo_t *cr,
GdkColor *border_color,
GdkColor *fill_color,
gint xpos)
{
gint y;
cairo_move_to (cr, xpos, 0);
cairo_line_to (cr, xpos - (CONTROL_HEIGHT - 1) / 2, CONTROL_HEIGHT - 1);
cairo_line_to (cr, xpos + (CONTROL_HEIGHT - 1) / 2, CONTROL_HEIGHT - 1);
cairo_line_to (cr, xpos, 0);
for (y = 0; y < CONTROL_HEIGHT; y++)
gdk_draw_line (window, fill_gc, xpos - y / 2, y,
xpos + y / 2, y);
gdk_cairo_set_source_color (cr, fill_color);
cairo_fill_preserve (cr);
gdk_draw_line (window, border_gc, xpos, 0,
xpos - (CONTROL_HEIGHT - 1) / 2, CONTROL_HEIGHT - 1);
gdk_draw_line (window, border_gc, xpos, 0,
xpos + (CONTROL_HEIGHT - 1) / 2, CONTROL_HEIGHT - 1);
gdk_draw_line (window, border_gc,
xpos - (CONTROL_HEIGHT - 1) / 2, CONTROL_HEIGHT - 1,
xpos + (CONTROL_HEIGHT - 1) / 2, CONTROL_HEIGHT - 1);
}
static void
levels_erase_slider (GdkWindow *window,
gint xpos)
{
gdk_window_clear_area (window, xpos - (CONTROL_HEIGHT - 1) / 2, 0,
CONTROL_HEIGHT - 1, CONTROL_HEIGHT);
gdk_cairo_set_source_color (cr, border_color);
cairo_stroke (cr);
}
static void
@ -1018,11 +1005,14 @@ levels_update (gint update)
if (update & INPUT_SLIDERS)
{
GtkStyle *style = gtk_widget_get_style (g_di.in_lvl_drawarea);
cairo_t *cr = gdk_cairo_create (gtk_widget_get_window (g_di.in_lvl_drawarea));
gdouble width, mid, tmp;
levels_erase_slider (gtk_widget_get_window (g_di.in_lvl_drawarea), g_di.slider_pos[0]);
levels_erase_slider (gtk_widget_get_window (g_di.in_lvl_drawarea), g_di.slider_pos[1]);
levels_erase_slider (gtk_widget_get_window (g_di.in_lvl_drawarea), g_di.slider_pos[2]);
gdk_cairo_set_source_color (cr, &style->bg[GTK_STATE_NORMAL]);
cairo_paint (cr);
cairo_translate (cr, 0.5, 0.5);
cairo_set_line_width (cr, 1.0);
g_di.slider_pos[0] = DA_WIDTH * ((double) g_values.lvl_in_min / 255.0);
g_di.slider_pos[2] = DA_WIDTH * ((double) g_values.lvl_in_max / 255.0);
@ -1032,38 +1022,46 @@ levels_update (gint update)
tmp = log10 (1.0 / g_values.lvl_in_gamma);
g_di.slider_pos[1] = (int) (mid + width * tmp + 0.5);
levels_draw_slider (gtk_widget_get_window (g_di.in_lvl_drawarea),
style->black_gc,
style->dark_gc[GTK_STATE_NORMAL],
levels_draw_slider (cr,
&style->black,
&style->dark[GTK_STATE_NORMAL],
g_di.slider_pos[1]);
levels_draw_slider (gtk_widget_get_window (g_di.in_lvl_drawarea),
style->black_gc,
style->black_gc,
levels_draw_slider (cr,
&style->black,
&style->black,
g_di.slider_pos[0]);
levels_draw_slider (gtk_widget_get_window (g_di.in_lvl_drawarea),
style->black_gc,
style->white_gc,
levels_draw_slider (cr,
&style->black,
&style->white,
g_di.slider_pos[2]);
cairo_destroy (cr);
}
if (update & OUTPUT_SLIDERS)
{
GtkStyle *style = gtk_widget_get_style (g_di.sample_drawarea);
cairo_t *cr = gdk_cairo_create (gtk_widget_get_window (g_di.sample_drawarea));
levels_erase_slider (gtk_widget_get_window (g_di.sample_drawarea), g_di.slider_pos[3]);
levels_erase_slider (gtk_widget_get_window (g_di.sample_drawarea), g_di.slider_pos[4]);
gdk_cairo_set_source_color (cr, &style->bg[GTK_STATE_NORMAL]);
cairo_paint (cr);
cairo_translate (cr, 0.5, 0.5);
cairo_set_line_width (cr, 1.0);
g_di.slider_pos[3] = DA_WIDTH * ((double) g_values.lvl_out_min / 255.0);
g_di.slider_pos[4] = DA_WIDTH * ((double) g_values.lvl_out_max / 255.0);
levels_draw_slider (gtk_widget_get_window (g_di.sample_drawarea),
style->black_gc,
style->black_gc,
levels_draw_slider (cr,
&style->black,
&style->black,
g_di.slider_pos[3]);
levels_draw_slider (gtk_widget_get_window (g_di.sample_drawarea),
style->black_gc,
style->black_gc,
levels_draw_slider (cr,
&style->black,
&style->black,
g_di.slider_pos[4]);
cairo_destroy (cr);
}
}