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#include "../include/RoundedRectangle.hpp"
#include <SFML/Graphics/Shader.hpp>
#include <SFML/Graphics/RenderTarget.hpp>
#include <assert.h>
namespace QuickMedia {
RoundedRectangle::RoundedRectangle(sf::Vector2f size, float radius, sf::Color color, sf::Shader *rounded_rectangle_shader) :
radius(radius), pos(0.0f, 0.0f), size(size), rounded_rectangle_shader(rounded_rectangle_shader), band_color(sf::Color::Transparent)
{
assert(rounded_rectangle_shader);
set_color(color);
vertices[0].texCoords = sf::Vector2f(0.0f, 0.0f);
vertices[1].texCoords = sf::Vector2f(1.0f, 0.0f);
vertices[2].texCoords = sf::Vector2f(1.0f, 1.0f);
vertices[3].texCoords = sf::Vector2f(0.0f, 1.0f);
const sf::Color shadow_color(0, 0, 0, 50);
// Sides
for(size_t i = 0; i < 16; i += 4) {
drop_shadow_vertices[i + 0].color = sf::Color(shadow_color.r, shadow_color.g, shadow_color.b, 0);
drop_shadow_vertices[i + 1].color = sf::Color(shadow_color.r, shadow_color.g, shadow_color.b, 0);
drop_shadow_vertices[i + 2].color = shadow_color;
drop_shadow_vertices[i + 3].color = shadow_color;
}
// Corners
for(size_t i = 16; i < 32; i += 4) {
drop_shadow_vertices[i + 0].color = sf::Color(shadow_color.r, shadow_color.g, shadow_color.b, 0);
drop_shadow_vertices[i + 1].color = sf::Color(shadow_color.r, shadow_color.g, shadow_color.b, 0);
drop_shadow_vertices[i + 2].color = sf::Color(shadow_color.r, shadow_color.g, shadow_color.b, 0);
drop_shadow_vertices[i + 3].color = sf::Color(shadow_color.r, shadow_color.g, shadow_color.b, 100);
}
}
void RoundedRectangle::set_position(sf::Vector2f pos) {
this->pos = pos;
vertices[0].position = pos;
vertices[1].position = pos + sf::Vector2f(size.x, 0.0f);
vertices[2].position = pos + sf::Vector2f(size.x, size.y);
vertices[3].position = pos + sf::Vector2f(0.0f, size.y);
const float shadow_radius = 5.0f;
// Top
drop_shadow_vertices[0].position = pos + sf::Vector2f(radius*0.5f, 0.0f) - sf::Vector2f(0.0f, shadow_radius);
drop_shadow_vertices[1].position = pos + sf::Vector2f(size.x - radius*0.5f, 0.0f) - sf::Vector2f(0.0f, shadow_radius);
drop_shadow_vertices[2].position = pos + sf::Vector2f(size.x - radius*0.5f, 0.0f);
drop_shadow_vertices[3].position = pos + sf::Vector2f(radius*0.5f, 0.0f);
// Bottom
drop_shadow_vertices[4].position = pos + sf::Vector2f(size.x - radius*0.5f, size.y + shadow_radius);
drop_shadow_vertices[5].position = pos + sf::Vector2f(radius*0.5f, size.y + shadow_radius);
drop_shadow_vertices[6].position = pos + sf::Vector2f(radius*0.5f, size.y);
drop_shadow_vertices[7].position = pos + sf::Vector2f(size.x - radius*0.5f, size.y);
// Left
drop_shadow_vertices[8].position = pos + sf::Vector2f(-shadow_radius, size.y - radius*0.5f);
drop_shadow_vertices[9].position = pos + sf::Vector2f(-shadow_radius, radius*0.5f);
drop_shadow_vertices[10].position = pos + sf::Vector2f(0.0f, radius*0.5f);
drop_shadow_vertices[11].position = pos + sf::Vector2f(0.0f, size.y - radius*0.5f);
// Right
drop_shadow_vertices[12].position = pos + sf::Vector2f(size.x + shadow_radius, radius*0.5f);
drop_shadow_vertices[13].position = pos + sf::Vector2f(size.x + shadow_radius, size.y - radius*0.5f);
drop_shadow_vertices[14].position = pos + sf::Vector2f(size.x, size.y - radius*0.5f);
drop_shadow_vertices[15].position = pos + sf::Vector2f(size.x, radius*0.5f);
const float overshoot = 1.7f;
// Top left
drop_shadow_vertices[16].position = pos + sf::Vector2f(-shadow_radius, radius*0.5f);
drop_shadow_vertices[17].position = pos + sf::Vector2f(-shadow_radius*overshoot, -shadow_radius*overshoot);
drop_shadow_vertices[18].position = pos + sf::Vector2f(radius*0.5f, -shadow_radius);
drop_shadow_vertices[19].position = pos + sf::Vector2f(radius*0.5f, radius*0.5f);
// Top right
drop_shadow_vertices[20].position = pos + sf::Vector2f(size.x - radius*0.5f, -shadow_radius);
drop_shadow_vertices[21].position = pos + sf::Vector2f(size.x + shadow_radius*overshoot, -shadow_radius*overshoot);
drop_shadow_vertices[22].position = pos + sf::Vector2f(size.x + shadow_radius, radius*0.5f);
drop_shadow_vertices[23].position = pos + sf::Vector2f(size.x - radius*0.5f, radius*0.5f);
// Bottom right
drop_shadow_vertices[24].position = pos + sf::Vector2f(size.x + shadow_radius, size.y - radius*0.5f);
drop_shadow_vertices[25].position = pos + sf::Vector2f(size.x + shadow_radius*overshoot, size.y + shadow_radius*overshoot);
drop_shadow_vertices[26].position = pos + sf::Vector2f(size.x - radius*0.5f, size.y + shadow_radius);
drop_shadow_vertices[27].position = pos + sf::Vector2f(size.x - radius*0.5f, size.y - radius*0.5f);
// Bottom left
drop_shadow_vertices[28].position = pos + sf::Vector2f(radius*0.5f, size.y + shadow_radius);
drop_shadow_vertices[29].position = pos + sf::Vector2f(-shadow_radius*overshoot, size.y + shadow_radius*overshoot);
drop_shadow_vertices[30].position = pos + sf::Vector2f(-shadow_radius, size.y - radius*0.5f);
drop_shadow_vertices[31].position = pos + sf::Vector2f(radius*0.5f, size.y - radius*0.5f);
}
void RoundedRectangle::set_size(sf::Vector2f size) {
this->size = size;
set_position(pos);
}
void RoundedRectangle::set_color(sf::Color color) {
for(size_t i = 0; i < 4; ++i)
vertices[i].color = color;
}
sf::Vector2f RoundedRectangle::get_position() const {
return pos;
}
sf::Vector2f RoundedRectangle::get_size() const {
return size;
}
void RoundedRectangle::set_band(sf::Vector2f pos, sf::Vector2f size) {
band_pos = pos;
band_size = size;
}
void RoundedRectangle::set_band_color(sf::Color color) {
band_color = color;
}
void RoundedRectangle::draw(sf::RenderTarget &target) {
if(drop_shadow_enabled)
target.draw(drop_shadow_vertices, 32, sf::Quads);
// TODO: Remove these for optimizations. Also do the same in other places where setUniform is called
rounded_rectangle_shader->setUniform("radius", radius);
rounded_rectangle_shader->setUniform("band_pos", band_pos);
rounded_rectangle_shader->setUniform("band_size", band_size);
rounded_rectangle_shader->setUniform("band_color", sf::Glsl::Vec4(band_color.r/255.0f, band_color.g/255.0f, band_color.b/255.0f, band_color.a/255.0f));
rounded_rectangle_shader->setUniform("resolution", size);
target.draw(vertices, 4, sf::Quads, rounded_rectangle_shader);
}
}
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