1 files changed, 104 insertions, 0 deletions
diff --git a/src/render.c b/src/render.c
new file mode 100644
index 0000000..e9a5ef3
--- /dev/null
+++ b/src/render.c
@@ -0,0 +1,104 @@
+/*
+ * render.c
+ *
+ * Created by buzzert <buzzert@buzzert.net> 2019-01-18
+ */
+
+#include "render.h"
+
+static const double kLogoBackgroundWidth = 500.0;
+
+void draw_logo(saver_state_t *state)
+{
+    if (state->logo_svg_handle == NULL) {
+        GError *error = NULL;
+        state->logo_svg_handle = rsvg_handle_new_from_file("logo.svg", &error);
+        if (error != NULL) {
+            fprintf(stderr, "Error loading logo SVG\n");
+            return;
+        }
+    }
+
+    cairo_t *cr = state->ctx;
+
+    cairo_save(cr);
+    cairo_set_source_rgb(cr, (208.0 / 255.0), (69.0 / 255.0), (255.0 / 255.0));
+    cairo_rectangle(cr, 0, 0, kLogoBackgroundWidth, state->canvas_height);
+    cairo_fill(cr);
+
+    cairo_set_source_rgb(cr, 0.0, 0.0, 0.0);
+    
+    // Scale and draw logo
+    RsvgDimensionData dimensions;
+    rsvg_handle_get_dimensions(state->logo_svg_handle, &dimensions);
+
+    const double padding = 100.0;
+    double scale_factor = ((kLogoBackgroundWidth - (padding * 2.0)) / dimensions.width);
+    double scaled_height = (dimensions.height * scale_factor);
+    double y_position = (state->canvas_height - scaled_height) / 2.0;
+    cairo_translate(cr, padding, y_position);
+    cairo_scale(cr, scale_factor, scale_factor);
+    rsvg_handle_render_cairo(state->logo_svg_handle, cr);
+
+    cairo_restore(cr);
+}
+
+void draw_password_field(saver_state_t *state)
+{
+    const double cursor_height = 40.0;
+    const double cursor_width  = 30.0;
+    const double field_x = kLogoBackgroundWidth + 50.0;
+    const double field_y = (state->canvas_height - cursor_height) / 2.0;
+    const double field_padding = 10.0;
+    
+    cairo_t *cr = state->ctx;
+
+    // Draw status text
+    cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 1.0);
+    pango_layout_set_font_description(state->pango_layout, state->status_font);
+    pango_layout_set_text(state->pango_layout, "Password: ", -1);
+
+    int t_width, t_height;
+    pango_layout_get_size(state->pango_layout, &t_width, &t_height);
+    double line_height = t_height / PANGO_SCALE;
+
+    cairo_move_to(cr, field_x, field_y - line_height - field_padding);
+    pango_cairo_show_layout(cr, state->pango_layout);
+
+    // Draw password asterisks
+    if (state->asterisk_svg_handle == NULL) {
+        GError *error = NULL;
+        state->asterisk_svg_handle = rsvg_handle_new_from_file("asterisk.svg", &error);
+        if (error != NULL) {
+            fprintf(stderr, "Error loading asterisk SVG\n");
+            return;
+        }
+    }
+
+    const double cursor_padding_x = 10.0;
+    double cursor_offset_x = 0.0;
+
+    RsvgDimensionData dimensions;
+    rsvg_handle_get_dimensions(state->asterisk_svg_handle, &dimensions);
+    
+    double asterisk_height = cursor_height - 20.0;
+    double scale_factor = (asterisk_height / dimensions.height);
+    double scaled_width = (dimensions.width * scale_factor);
+
+    for (unsigned i = 0; i < strlen(state->password_buffer); i++) {
+        cairo_save(cr);
+        cairo_translate(cr, field_x + cursor_offset_x, field_y + ((cursor_height - asterisk_height) / 2.0));
+        cairo_scale(cr, scale_factor, scale_factor);
+        rsvg_handle_render_cairo(state->asterisk_svg_handle, cr);
+        cairo_restore(cr);
+
+        cursor_offset_x += scaled_width + cursor_padding_x;
+    }
+
+    
+    // Draw cursor
+    cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, state->cursor_opacity);
+    cairo_rectangle(cr, field_x + cursor_offset_x, field_y, cursor_width, cursor_height);
+    cairo_fill(cr);
+}
+