#include <config.h>
-#include "display_effect.h"
+#include "display_effect.hpp"
#include <assert.h>
-#include "video/drawing_context.h"
-#include "main.h"
+#include "video/drawing_context.hpp"
+#include "main.hpp"
+
+static const float BORDER_SIZE = 75;
DisplayEffect::DisplayEffect()
- : type(NO_FADE), fadetime(0), fading(0), black(false)
+ : screen_fade(NO_FADE), screen_fadetime(0), screen_fading(0),
+ border_fade(NO_FADE), border_fadetime(0), border_size(0),
+ black(false), borders(false)
{
}
void
DisplayEffect::update(float elapsed_time)
{
- switch(type) {
+ switch(screen_fade) {
case NO_FADE:
- return;
+ break;
case FADE_IN:
- fading -= elapsed_time;
- if(fading < 0) {
- type = NO_FADE;
+ screen_fading -= elapsed_time;
+ if(screen_fading < 0) {
+ screen_fade = NO_FADE;
}
break;
case FADE_OUT:
- fading -= elapsed_time;
- if(fading < 0) {
- type = NO_FADE;
+ screen_fading -= elapsed_time;
+ if(screen_fading < 0) {
+ screen_fade = NO_FADE;
black = true;
}
break;
default:
assert(false);
}
+
+ switch(border_fade) {
+ case NO_FADE:
+ break;
+ case FADE_IN:
+ border_fading -= elapsed_time;
+ if(border_fading < 0) {
+ border_fade = NO_FADE;
+ }
+ border_size = border_fading / border_fading * BORDER_SIZE;
+ break;
+ case FADE_OUT:
+ border_fading -= elapsed_time;
+ if(border_fading < 0) {
+ borders = false;
+ border_fade = NO_FADE;
+ }
+ border_size = (border_fadetime - border_fading)
+ / border_fadetime * BORDER_SIZE;
+ break;
+ default:
+ assert(false);
+ }
}
void
DisplayEffect::draw(DrawingContext& context)
{
- if(!black && type == NO_FADE)
- return;
-
context.push_transform();
context.set_translation(Vector(0, 0));
- uint8_t alpha;
- if(black) {
- alpha = 255;
- } else {
- switch(type) {
- case FADE_IN:
- alpha = static_cast<uint8_t>
- (fading * 255.0 / fadetime);
- break;
- case FADE_OUT:
- alpha = static_cast<uint8_t>
- ((fadetime-fading) * 255.0 / fadetime);
- break;
- default:
- alpha = 0;
- assert(false);
- }
+ if(black || screen_fade != NO_FADE) {
+ float alpha;
+ if(black) {
+ alpha = 1.0f;
+ } else {
+ switch(screen_fade) {
+ case FADE_IN:
+ alpha = screen_fading / screen_fadetime;
+ break;
+ case FADE_OUT:
+ alpha = (screen_fadetime - screen_fading) / screen_fadetime;
+ break;
+ default:
+ alpha = 0;
+ assert(false);
+ }
+ }
+ context.draw_filled_rect(Vector(0, 0), Vector(SCREEN_WIDTH, SCREEN_HEIGHT),
+ Color(0, 0, 0, alpha), LAYER_GUI-10);
+ }
+
+ if (borders) {
+ context.draw_filled_rect(Vector(0, 0), Vector(SCREEN_WIDTH, border_size),
+ Color(0, 0, 0, 1.0f), LAYER_GUI-10);
+ context.draw_filled_rect(Vector(0, SCREEN_HEIGHT - border_size), Vector(SCREEN_WIDTH, border_size),
+ Color(0, 0, 0, 1.0f), LAYER_GUI-10);
}
- context.draw_filled_rect(Vector(0, 0), Vector(SCREEN_WIDTH, SCREEN_HEIGHT),
- Color(0, 0, 0, alpha), LAYER_GUI-10);
+
context.pop_transform();
}
DisplayEffect::fade_out(float fadetime)
{
black = false;
- this->fadetime = fadetime;
- fading = fadetime;
- type = FADE_OUT;
+ screen_fadetime = fadetime;
+ screen_fading = fadetime;
+ screen_fade = FADE_OUT;
}
void
DisplayEffect::fade_in(float fadetime)
{
black = false;
- this->fadetime = fadetime;
- fading = fadetime;
- type = FADE_IN;
+ this->screen_fadetime = fadetime;
+ screen_fading = fadetime;
+ screen_fade = FADE_IN;
}
void
return black;
}
+void
+DisplayEffect::sixteen_to_nine(float fadetime)
+{
+ if(fadetime == 0) {
+ borders = true;
+ border_size = BORDER_SIZE;
+ } else {
+ borders = true;
+ border_size = 0;
+ border_fade = FADE_IN;
+ border_fadetime = fadetime;
+ border_fading = border_fadetime;
+ }
+}
+
+void
+DisplayEffect::four_to_three(float fadetime)
+{
+ if(fadetime == 0) {
+ borders = false;
+ } else {
+ border_size = BORDER_SIZE;
+ border_fade = FADE_OUT;
+ border_fadetime = fadetime;
+ border_fading = border_fadetime;
+ }
+}
+