Allow the background color to be changed in the demo
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1e3298fdb7
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aef7dd1353
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@ -61,7 +61,8 @@ const CAMERA_ZOOM_AMOUNT_2D: f32 = 0.1;
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const NEAR_CLIP_PLANE: f32 = 0.01;
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const FAR_CLIP_PLANE: f32 = 10.0;
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const BACKGROUND_COLOR: ColorU = ColorU { r: 32, g: 32, b: 32, a: 255 };
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const LIGHT_BG_COLOR: ColorU = ColorU { r: 192, g: 192, b: 192, a: 255 };
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const DARK_BG_COLOR: ColorU = ColorU { r: 32, g: 32, b: 32, a: 255 };
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const GROUND_SOLID_COLOR: ColorU = ColorU { r: 80, g: 80, b: 80, a: 255 };
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const GROUND_LINE_COLOR: ColorU = ColorU { r: 127, g: 127, b: 127, a: 255 };
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@ -337,7 +338,7 @@ impl DemoApp {
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tile_time,
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} = render_msg;
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self.device.clear();
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self.device.clear(self.background_color());
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self.draw_environment(&render_transform);
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self.render_vector_scene(&built_scene);
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@ -457,7 +458,7 @@ impl DemoApp {
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fn render_vector_scene(&mut self, built_scene: &BuiltScene) {
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if self.ui.gamma_correction_effect_enabled {
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self.renderer.enable_gamma_correction(BACKGROUND_COLOR);
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self.renderer.enable_gamma_correction(self.background_color());
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} else {
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self.renderer.disable_gamma_correction();
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}
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@ -529,6 +530,10 @@ impl DemoApp {
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}
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}
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}
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fn background_color(&self) -> ColorU {
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if self.ui.dark_background_enabled { DARK_BG_COLOR } else { LIGHT_BG_COLOR }
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}
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}
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struct SceneThreadProxy {
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@ -800,8 +805,8 @@ struct DemoDevice {
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}
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impl DemoDevice {
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fn clear(&self) {
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let color = BACKGROUND_COLOR.to_f32();
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fn clear(&self, color: ColorU) {
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let color = color.to_f32();
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unsafe {
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gl::BindFramebuffer(gl::FRAMEBUFFER, 0);
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gl::ClearColor(color.r(), color.g(), color.b(), color.a());
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@ -30,7 +30,9 @@ const SLIDER_KNOB_HEIGHT: i32 = 48;
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const EFFECTS_PANEL_WIDTH: i32 = 550;
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const EFFECTS_PANEL_HEIGHT: i32 = BUTTON_HEIGHT * 3 + PADDING * 4;
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const ROTATE_PANEL_X: i32 = PADDING + (BUTTON_WIDTH + PADDING) * 2 + PADDING + SWITCH_SIZE;
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const BACKGROUND_SWITCH_X: i32 = PADDING + (BUTTON_WIDTH + PADDING) * 2 + PADDING + SWITCH_SIZE;
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const ROTATE_PANEL_X: i32 = PADDING + (BUTTON_WIDTH + PADDING) * 2 + (PADDING + SWITCH_SIZE) * 2;
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const ROTATE_PANEL_WIDTH: i32 = SLIDER_WIDTH + PADDING * 2;
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const ROTATE_PANEL_HEIGHT: i32 = PADDING * 2 + SLIDER_HEIGHT;
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@ -39,6 +41,8 @@ static OPEN_PNG_NAME: &'static str = "demo-open";
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static ROTATE_PNG_NAME: &'static str = "demo-rotate";
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static ZOOM_IN_PNG_NAME: &'static str = "demo-zoom-in";
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static ZOOM_OUT_PNG_NAME: &'static str = "demo-zoom-out";
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static BG_LIGHT_PNG_NAME: &'static str = "demo-bg-light";
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static BG_DARK_PNG_NAME: &'static str = "demo-bg-dark";
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pub struct DemoUI {
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effects_texture: Texture,
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@ -46,11 +50,14 @@ pub struct DemoUI {
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rotate_texture: Texture,
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zoom_in_texture: Texture,
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zoom_out_texture: Texture,
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bg_light_texture: Texture,
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bg_dark_texture: Texture,
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effects_panel_visible: bool,
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rotate_panel_visible: bool,
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pub three_d_enabled: bool,
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pub dark_background_enabled: bool,
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pub gamma_correction_effect_enabled: bool,
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pub stem_darkening_effect_enabled: bool,
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pub subpixel_aa_effect_enabled: bool,
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@ -64,6 +71,8 @@ impl DemoUI {
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let rotate_texture = device.create_texture_from_png(ROTATE_PNG_NAME);
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let zoom_in_texture = device.create_texture_from_png(ZOOM_IN_PNG_NAME);
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let zoom_out_texture = device.create_texture_from_png(ZOOM_OUT_PNG_NAME);
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let bg_light_texture = device.create_texture_from_png(BG_LIGHT_PNG_NAME);
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let bg_dark_texture = device.create_texture_from_png(BG_DARK_PNG_NAME);
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DemoUI {
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effects_texture,
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@ -71,7 +80,10 @@ impl DemoUI {
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rotate_texture,
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zoom_in_texture,
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zoom_out_texture,
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bg_light_texture,
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bg_dark_texture,
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three_d_enabled: options.three_d,
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dark_background_enabled: true,
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effects_panel_visible: false,
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rotate_panel_visible: false,
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gamma_correction_effect_enabled: false,
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@ -107,16 +119,22 @@ impl DemoUI {
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// Draw 3D switch.
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let threed_switch_x = PADDING + (BUTTON_WIDTH + PADDING) * 2;
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let threed_switch_origin = Point2DI32::new(threed_switch_x, open_button_y);
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debug_ui.draw_solid_rect(RectI32::new(threed_switch_origin,
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Point2DI32::new(SWITCH_SIZE, BUTTON_HEIGHT)),
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WINDOW_COLOR);
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self.three_d_enabled = self.draw_switch(debug_ui,
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self.three_d_enabled = self.draw_text_switch(debug_ui,
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event,
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threed_switch_origin,
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"2D",
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"3D",
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self.three_d_enabled);
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// Draw background switch.
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let background_switch_origin = Point2DI32::new(BACKGROUND_SWITCH_X, open_button_y);
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self.dark_background_enabled = self.draw_image_switch(debug_ui,
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event,
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background_switch_origin,
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&self.bg_light_texture,
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&self.bg_dark_texture,
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self.dark_background_enabled);
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// Draw rotate and zoom buttons, if applicable.
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if !self.three_d_enabled {
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let rotate_button_y = bottom - BUTTON_HEIGHT;
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@ -248,10 +266,15 @@ impl DemoUI {
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let switch_x = PADDING + EFFECTS_PANEL_WIDTH - (SWITCH_SIZE + PADDING);
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let switch_y = window_y + PADDING + (BUTTON_HEIGHT + PADDING) * index;
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self.draw_switch(debug_ui, event, Point2DI32::new(switch_x, switch_y), "Off", "On", value)
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self.draw_text_switch(debug_ui,
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event,
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Point2DI32::new(switch_x, switch_y),
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"Off",
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"On",
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value)
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}
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fn draw_switch(&self,
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fn draw_text_switch(&self,
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debug_ui: &mut DebugUI,
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event: &mut UIEvent,
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origin: Point2DI32,
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@ -259,11 +282,58 @@ impl DemoUI {
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on_text: &str,
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mut value: bool)
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-> bool {
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value = self.draw_switch(debug_ui, event, origin, value);
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let off_size = debug_ui.measure_text(off_text);
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let on_size = debug_ui.measure_text(on_text);
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let off_offset = SWITCH_HALF_SIZE / 2 - off_size / 2;
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let on_offset = SWITCH_HALF_SIZE + SWITCH_HALF_SIZE / 2 - on_size / 2;
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let text_top = BUTTON_TEXT_OFFSET;
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debug_ui.draw_text(off_text, origin + Point2DI32::new(off_offset, text_top), !value);
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debug_ui.draw_text(on_text, origin + Point2DI32::new(on_offset, text_top), value);
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value
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}
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fn draw_image_switch(&self,
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debug_ui: &mut DebugUI,
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event: &mut UIEvent,
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origin: Point2DI32,
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off_texture: &Texture,
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on_texture: &Texture,
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mut value: bool)
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-> bool {
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value = self.draw_switch(debug_ui, event, origin, value);
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let off_offset = SWITCH_HALF_SIZE / 2 - off_texture.size.x() / 2;
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let on_offset = SWITCH_HALF_SIZE + SWITCH_HALF_SIZE / 2 - on_texture.size.x() / 2;
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let off_color = if !value { WINDOW_COLOR } else { TEXT_COLOR };
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let on_color = if value { WINDOW_COLOR } else { TEXT_COLOR };
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debug_ui.draw_texture(origin + Point2DI32::new(off_offset, PADDING),
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off_texture,
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off_color);
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debug_ui.draw_texture(origin + Point2DI32::new(on_offset, PADDING),
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on_texture,
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on_color);
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value
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}
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fn draw_switch(&self,
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debug_ui: &mut DebugUI,
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event: &mut UIEvent,
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origin: Point2DI32,
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mut value: bool)
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-> bool {
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let widget_rect = RectI32::new(origin, Point2DI32::new(SWITCH_SIZE, BUTTON_HEIGHT));
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if event.handle_mouse_down_in_rect(widget_rect).is_some() {
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value = !value;
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}
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debug_ui.draw_solid_rect(widget_rect, WINDOW_COLOR);
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debug_ui.draw_rect_outline(widget_rect, TEXT_COLOR);
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let highlight_size = Point2DI32::new(SWITCH_HALF_SIZE, BUTTON_HEIGHT);
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@ -276,15 +346,6 @@ impl DemoUI {
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TEXT_COLOR);
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}
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let off_size = debug_ui.measure_text(off_text);
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let on_size = debug_ui.measure_text(on_text);
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let off_offset = SWITCH_HALF_SIZE / 2 - off_size / 2;
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let on_offset = SWITCH_HALF_SIZE + SWITCH_HALF_SIZE / 2 - on_size / 2;
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let text_top = BUTTON_TEXT_OFFSET;
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debug_ui.draw_text(off_text, origin + Point2DI32::new(off_offset, text_top), !value);
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debug_ui.draw_text(on_text, origin + Point2DI32::new(on_offset, text_top), value);
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value
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}
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}
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