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background colours

master
alistair 2 years ago
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9882f6bb2c
6 changed files with 408 additions and 10 deletions
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  1. 3
      .gitmodules
  2. 1
      Project1/css-color-parser-cpp
  3. 297
      Project1/csscolorparser.cpp
  4. 61
      Project1/csscolorparser.hpp
  5. 11
      Project1/draw.cpp
  6. 45
      Project1/main.cpp

3
.gitmodules vendored
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[submodule "Project1/css-color-parser-cpp"]
path = Project1/css-color-parser-cpp
url = https://github.com/mapbox/css-color-parser-cpp.git

1
Project1/css-color-parser-cpp

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Subproject commit 33d0c489c0fb5e16ab7b3bc133af5a9d14bd4565

297
Project1/csscolorparser.cpp
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// (c) Dean McNamee <dean@gmail.com>, 2012.
// C++ port by Mapbox, Konstantin Käfer <mail@kkaefer.com>, 2014-2017.
//
// https://github.com/deanm/css-color-parser-js
// https://github.com/kkaefer/css-color-parser-cpp
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
#include "csscolorparser.hpp"
#include <cstdint>
#include <vector>
#include <sstream>
#include <algorithm>
namespace CSSColorParser {
// http://www.w3.org/TR/css3-color/
struct NamedColor { const char* const name; const Color color; };
const NamedColor namedColors[] = {
{ "transparent", { 0, 0, 0, 0 } }, { "aliceblue", { 240, 248, 255, 1 } },
{ "antiquewhite", { 250, 235, 215, 1 } }, { "aqua", { 0, 255, 255, 1 } },
{ "aquamarine", { 127, 255, 212, 1 } }, { "azure", { 240, 255, 255, 1 } },
{ "beige", { 245, 245, 220, 1 } }, { "bisque", { 255, 228, 196, 1 } },
{ "black", { 0, 0, 0, 1 } }, { "blanchedalmond", { 255, 235, 205, 1 } },
{ "blue", { 0, 0, 255, 1 } }, { "blueviolet", { 138, 43, 226, 1 } },
{ "brown", { 165, 42, 42, 1 } }, { "burlywood", { 222, 184, 135, 1 } },
{ "cadetblue", { 95, 158, 160, 1 } }, { "chartreuse", { 127, 255, 0, 1 } },
{ "chocolate", { 210, 105, 30, 1 } }, { "coral", { 255, 127, 80, 1 } },
{ "cornflowerblue", { 100, 149, 237, 1 } }, { "cornsilk", { 255, 248, 220, 1 } },
{ "crimson", { 220, 20, 60, 1 } }, { "cyan", { 0, 255, 255, 1 } },
{ "darkblue", { 0, 0, 139, 1 } }, { "darkcyan", { 0, 139, 139, 1 } },
{ "darkgoldenrod", { 184, 134, 11, 1 } }, { "darkgray", { 169, 169, 169, 1 } },
{ "darkgreen", { 0, 100, 0, 1 } }, { "darkgrey", { 169, 169, 169, 1 } },
{ "darkkhaki", { 189, 183, 107, 1 } }, { "darkmagenta", { 139, 0, 139, 1 } },
{ "darkolivegreen", { 85, 107, 47, 1 } }, { "darkorange", { 255, 140, 0, 1 } },
{ "darkorchid", { 153, 50, 204, 1 } }, { "darkred", { 139, 0, 0, 1 } },
{ "darksalmon", { 233, 150, 122, 1 } }, { "darkseagreen", { 143, 188, 143, 1 } },
{ "darkslateblue", { 72, 61, 139, 1 } }, { "darkslategray", { 47, 79, 79, 1 } },
{ "darkslategrey", { 47, 79, 79, 1 } }, { "darkturquoise", { 0, 206, 209, 1 } },
{ "darkviolet", { 148, 0, 211, 1 } }, { "deeppink", { 255, 20, 147, 1 } },
{ "deepskyblue", { 0, 191, 255, 1 } }, { "dimgray", { 105, 105, 105, 1 } },
{ "dimgrey", { 105, 105, 105, 1 } }, { "dodgerblue", { 30, 144, 255, 1 } },
{ "firebrick", { 178, 34, 34, 1 } }, { "floralwhite", { 255, 250, 240, 1 } },
{ "forestgreen", { 34, 139, 34, 1 } }, { "fuchsia", { 255, 0, 255, 1 } },
{ "gainsboro", { 220, 220, 220, 1 } }, { "ghostwhite", { 248, 248, 255, 1 } },
{ "gold", { 255, 215, 0, 1 } }, { "goldenrod", { 218, 165, 32, 1 } },
{ "gray", { 128, 128, 128, 1 } }, { "green", { 0, 128, 0, 1 } },
{ "greenyellow", { 173, 255, 47, 1 } }, { "grey", { 128, 128, 128, 1 } },
{ "honeydew", { 240, 255, 240, 1 } }, { "hotpink", { 255, 105, 180, 1 } },
{ "indianred", { 205, 92, 92, 1 } }, { "indigo", { 75, 0, 130, 1 } },
{ "ivory", { 255, 255, 240, 1 } }, { "khaki", { 240, 230, 140, 1 } },
{ "lavender", { 230, 230, 250, 1 } }, { "lavenderblush", { 255, 240, 245, 1 } },
{ "lawngreen", { 124, 252, 0, 1 } }, { "lemonchiffon", { 255, 250, 205, 1 } },
{ "lightblue", { 173, 216, 230, 1 } }, { "lightcoral", { 240, 128, 128, 1 } },
{ "lightcyan", { 224, 255, 255, 1 } }, { "lightgoldenrodyellow", { 250, 250, 210, 1 } },
{ "lightgray", { 211, 211, 211, 1 } }, { "lightgreen", { 144, 238, 144, 1 } },
{ "lightgrey", { 211, 211, 211, 1 } }, { "lightpink", { 255, 182, 193, 1 } },
{ "lightsalmon", { 255, 160, 122, 1 } }, { "lightseagreen", { 32, 178, 170, 1 } },
{ "lightskyblue", { 135, 206, 250, 1 } }, { "lightslategray", { 119, 136, 153, 1 } },
{ "lightslategrey", { 119, 136, 153, 1 } }, { "lightsteelblue", { 176, 196, 222, 1 } },
{ "lightyellow", { 255, 255, 224, 1 } }, { "lime", { 0, 255, 0, 1 } },
{ "limegreen", { 50, 205, 50, 1 } }, { "linen", { 250, 240, 230, 1 } },
{ "magenta", { 255, 0, 255, 1 } }, { "maroon", { 128, 0, 0, 1 } },
{ "mediumaquamarine", { 102, 205, 170, 1 } }, { "mediumblue", { 0, 0, 205, 1 } },
{ "mediumorchid", { 186, 85, 211, 1 } }, { "mediumpurple", { 147, 112, 219, 1 } },
{ "mediumseagreen", { 60, 179, 113, 1 } }, { "mediumslateblue", { 123, 104, 238, 1 } },
{ "mediumspringgreen", { 0, 250, 154, 1 } }, { "mediumturquoise", { 72, 209, 204, 1 } },
{ "mediumvioletred", { 199, 21, 133, 1 } }, { "midnightblue", { 25, 25, 112, 1 } },
{ "mintcream", { 245, 255, 250, 1 } }, { "mistyrose", { 255, 228, 225, 1 } },
{ "moccasin", { 255, 228, 181, 1 } }, { "navajowhite", { 255, 222, 173, 1 } },
{ "navy", { 0, 0, 128, 1 } }, { "oldlace", { 253, 245, 230, 1 } },
{ "olive", { 128, 128, 0, 1 } }, { "olivedrab", { 107, 142, 35, 1 } },
{ "orange", { 255, 165, 0, 1 } }, { "orangered", { 255, 69, 0, 1 } },
{ "orchid", { 218, 112, 214, 1 } }, { "palegoldenrod", { 238, 232, 170, 1 } },
{ "palegreen", { 152, 251, 152, 1 } }, { "paleturquoise", { 175, 238, 238, 1 } },
{ "palevioletred", { 219, 112, 147, 1 } }, { "papayawhip", { 255, 239, 213, 1 } },
{ "peachpuff", { 255, 218, 185, 1 } }, { "peru", { 205, 133, 63, 1 } },
{ "pink", { 255, 192, 203, 1 } }, { "plum", { 221, 160, 221, 1 } },
{ "powderblue", { 176, 224, 230, 1 } }, { "purple", { 128, 0, 128, 1 } },
{ "red", { 255, 0, 0, 1 } }, { "rosybrown", { 188, 143, 143, 1 } },
{ "royalblue", { 65, 105, 225, 1 } }, { "saddlebrown", { 139, 69, 19, 1 } },
{ "salmon", { 250, 128, 114, 1 } }, { "sandybrown", { 244, 164, 96, 1 } },
{ "seagreen", { 46, 139, 87, 1 } }, { "seashell", { 255, 245, 238, 1 } },
{ "sienna", { 160, 82, 45, 1 } }, { "silver", { 192, 192, 192, 1 } },
{ "skyblue", { 135, 206, 235, 1 } }, { "slateblue", { 106, 90, 205, 1 } },
{ "slategray", { 112, 128, 144, 1 } }, { "slategrey", { 112, 128, 144, 1 } },
{ "snow", { 255, 250, 250, 1 } }, { "springgreen", { 0, 255, 127, 1 } },
{ "steelblue", { 70, 130, 180, 1 } }, { "tan", { 210, 180, 140, 1 } },
{ "teal", { 0, 128, 128, 1 } }, { "thistle", { 216, 191, 216, 1 } },
{ "tomato", { 255, 99, 71, 1 } }, { "turquoise", { 64, 224, 208, 1 } },
{ "violet", { 238, 130, 238, 1 } }, { "wheat", { 245, 222, 179, 1 } },
{ "white", { 255, 255, 255, 1 } }, { "whitesmoke", { 245, 245, 245, 1 } },
{ "yellow", { 255, 255, 0, 1 } }, { "yellowgreen", { 154, 205, 50, 1 } }
};
template <typename T>
uint8_t clamp_css_byte(T i) { // Clamp to integer 0 .. 255.
i = ::round(i); // Seems to be what Chrome does (vs truncation).
return i < 0 ? 0 : i > 255 ? 255 : uint8_t(i);
}
template <typename T>
float clamp_css_float(T f) { // Clamp to float 0.0 .. 1.0.
return f < 0 ? 0 : f > 1 ? 1 : float(f);
}
float parseFloat(const std::string& str) {
return strtof(str.c_str(), nullptr);
}
int64_t parseInt(const std::string& str, uint8_t base = 10) {
return strtoll(str.c_str(), nullptr, base);
}
uint8_t parse_css_int(const std::string& str) { // int or percentage.
if (str.length() && str.back() == '%') {
return clamp_css_byte(parseFloat(str) / 100.0f * 255.0f);
}
else {
return clamp_css_byte(parseInt(str));
}
}
float parse_css_float(const std::string& str) { // float or percentage.
if (str.length() && str.back() == '%') {
return clamp_css_float(parseFloat(str) / 100.0f);
}
else {
return clamp_css_float(parseFloat(str));
}
}
float css_hue_to_rgb(float m1, float m2, float h) {
if (h < 0.0f) {
h += 1.0f;
}
else if (h > 1.0f) {
h -= 1.0f;
}
if (h * 6.0f < 1.0f) {
return m1 + (m2 - m1) * h * 6.0f;
}
if (h * 2.0f < 1.0f) {
return m2;
}
if (h * 3.0f < 2.0f) {
return m1 + (m2 - m1) * (2.0f / 3.0f - h) * 6.0f;
}
return m1;
}
std::vector<std::string> split(const std::string& s, char delim) {
std::vector<std::string> elems;
std::stringstream ss(s);
std::string item;
while (std::getline(ss, item, delim)) {
elems.push_back(item);
}
return elems;
}
optional<Color> parse(const std::string& css_str) {
std::string str = css_str;
// Remove all whitespace, not compliant, but should just be more accepting.
str.erase(std::remove(str.begin(), str.end(), ' '), str.end());
// Convert to lowercase.
std::transform(str.begin(), str.end(), str.begin(), ::tolower);
for (const auto& namedColor : namedColors) {
if (str == namedColor.name) {
return { namedColor.color };
}
}
// #abc and #abc123 syntax.
if (str.length() && str.front() == '#') {
if (str.length() == 4) {
int64_t iv = parseInt(str.substr(1), 16); // TODO(deanm): Stricter parsing.
if (!(iv >= 0 && iv <= 0xfff)) {
return {};
}
else {
return { {
static_cast<uint8_t>(((iv & 0xf00) >> 4) | ((iv & 0xf00) >> 8)),
static_cast<uint8_t>((iv & 0xf0) | ((iv & 0xf0) >> 4)),
static_cast<uint8_t>((iv & 0xf) | ((iv & 0xf) << 4)),
1
} };
}
}
else if (str.length() == 7) {
int64_t iv = parseInt(str.substr(1), 16); // TODO(deanm): Stricter parsing.
if (!(iv >= 0 && iv <= 0xffffff)) {
return {}; // Covers NaN.
}
else {
return { {
static_cast<uint8_t>((iv & 0xff0000) >> 16),
static_cast<uint8_t>((iv & 0xff00) >> 8),
static_cast<uint8_t>(iv & 0xff),
1
} };
}
}
return {};
}
size_t op = str.find_first_of('('), ep = str.find_first_of(')');
if (op != std::string::npos && ep + 1 == str.length()) {
const std::string fname = str.substr(0, op);
const std::vector<std::string> params = split(str.substr(op + 1, ep - (op + 1)), ',');
float alpha = 1.0f;
if (fname == "rgba" || fname == "rgb") {
if (fname == "rgba") {
if (params.size() != 4) {
return {};
}
alpha = parse_css_float(params.back());
}
else {
if (params.size() != 3) {
return {};
}
}
return { {
parse_css_int(params[0]),
parse_css_int(params[1]),
parse_css_int(params[2]),
alpha
} };
}
else if (fname == "hsla" || fname == "hsl") {
if (fname == "hsla") {
if (params.size() != 4) {
return {};
}
alpha = parse_css_float(params.back());
}
else {
if (params.size() != 3) {
return {};
}
}
float h = parseFloat(params[0]) / 360.0f;
float i;
// Normalize the hue to [0..1[
h = std::modf(h, &i);
// NOTE(deanm): According to the CSS spec s/l should only be
// percentages, but we don't bother and let float or percentage.
float s = parse_css_float(params[1]);
float l = parse_css_float(params[2]);
float m2 = l <= 0.5f ? l * (s + 1.0f) : l + s - l * s;
float m1 = l * 2.0f - m2;
return { {
clamp_css_byte(css_hue_to_rgb(m1, m2, h + 1.0f / 3.0f) * 255.0f),
clamp_css_byte(css_hue_to_rgb(m1, m2, h) * 255.0f),
clamp_css_byte(css_hue_to_rgb(m1, m2, h - 1.0f / 3.0f) * 255.0f),
alpha
} };
}
}
return {};
}
} // namespace CSSColorParser

61
Project1/csscolorparser.hpp
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@ -0,0 +1,61 @@ @@ -0,0 +1,61 @@
#pragma once
// (c) Dean McNamee <dean@gmail.com>, 2012.
// C++ port by Mapbox, Konstantin Käfer <mail@kkaefer.com>, 2014-2017.
//
// https://github.com/deanm/css-color-parser-js
// https://github.com/kkaefer/css-color-parser-cpp
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
#ifndef CSS_COLOR_PARSER_CPP
#define CSS_COLOR_PARSER_CPP
#include <string>
#include <cmath>
#include <optional>
namespace CSSColorParser {
template <class T>
using optional = std::optional<T>;
struct Color {
inline Color() {
}
inline Color(unsigned char r_, unsigned char g_, unsigned char b_, float a_)
: r(r_), g(g_), b(b_), a(a_ > 1 ? 1 : a_ < 0 ? 0 : a_) {
}
unsigned char r = 0, g = 0, b = 0;
float a = 1.0f;
};
inline bool operator==(const Color& lhs, const Color& rhs) {
return lhs.r == rhs.r && lhs.g == rhs.g && lhs.b == rhs.b && ::fabs(lhs.a - rhs.a) < 0.0001f;
}
inline bool operator!=(const Color& lhs, const Color& rhs) {
return !(lhs == rhs);
}
optional<Color> parse(const std::string& css_str);
} // namespace CSSColorParser
#endif

11
Project1/draw.cpp
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@ -18,9 +18,9 @@ struct chat_line_shape { @@ -18,9 +18,9 @@ struct chat_line_shape {
struct chat_line_shape draw_text(struct sdl_context c, TTF_Font* f, SDL_Color col, int width, const std::string &text, bool wrapped = true) {
SDL_Surface* surf;
if (wrapped) {
surf = TTF_RenderUTF8_Blended_Wrapped(f, text.c_str(), col, width);
surf = TTF_RenderUTF8_Solid_Wrapped(f, text.c_str(), col, width);
} else {
surf = TTF_RenderUTF8_Blended(f, text.c_str(), col);
surf = TTF_RenderUTF8_Solid(f, text.c_str(), col);
}
SDL_Texture* tex = SDL_CreateTextureFromSurface(c.ren, surf);
@ -80,7 +80,8 @@ void draw_messages(struct drawinfo d, std::deque<msg> &message_display_queue) { @@ -80,7 +80,8 @@ void draw_messages(struct drawinfo d, std::deque<msg> &message_display_queue) {
void draw(struct drawinfo d, std::deque<msg> &messages) {
SDL_SetRenderDrawColor(d.drawcontext.ren, 255, 255, 255, 255);
auto col = d.colours.background;
SDL_SetRenderDrawColor(d.drawcontext.ren, col.r, col.g, col.b, 255);
SDL_RenderClear(d.drawcontext.ren);
@ -90,8 +91,8 @@ void draw(struct drawinfo d, std::deque<msg> &messages) { @@ -90,8 +91,8 @@ void draw(struct drawinfo d, std::deque<msg> &messages) {
hmargin = 10;
SDL_Rect bg{ wmargin, hmargin, d.drawcontext.width - wmargin * 2, d.drawcontext.height - hmargin * 2 };
auto bc = d.colours.background;
// SDL_SetRenderDrawColor(d.drawcontext.ren, bc.r, bc.g, bc.b, bc.a);
// SDL_RenderFillRect(d.drawcontext.ren, &bg);
// SDL_SetRenderDrawColor(d.drawcontext.ren, bc.r, bc.g, bc.b, 0);
// SDL_RenderFillRect(d.drawcontext.ren, &bg);
draw_messages(d, messages);

45
Project1/main.cpp
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@ -13,6 +13,8 @@ @@ -13,6 +13,8 @@
#include <SDL_syswm.h>
#include <SDL_ttf.h>
#include "csscolorparser.hpp"
#pragma comment(lib, "Ws2_32.lib")
@ -39,11 +41,11 @@ struct sdl_context create_window(int width, int height, const std::string &windo @@ -39,11 +41,11 @@ struct sdl_context create_window(int width, int height, const std::string &windo
struct SDL_Window* win = SDL_CreateWindow(window_title.c_str(),
SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
width, height,
SDL_WINDOW_SHOWN);
SDL_WINDOW_RESIZABLE);
SDL_Renderer* ren = SDL_CreateRenderer(win, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
SDL_SetRenderDrawColor(ren, 255, 0, 0, 50);
SDL_SetRenderDrawBlendMode(ren, SDL_BLENDMODE_BLEND);
SDL_SetRenderDrawBlendMode(ren, SDL_BLENDMODE_NONE);
SDL_RenderPresent(ren);
return { ren, win, height, width };
@ -51,8 +53,8 @@ struct sdl_context create_window(int width, int height, const std::string &windo @@ -51,8 +53,8 @@ struct sdl_context create_window(int width, int height, const std::string &windo
struct fontpack load_fonts() {
fontpack f = { TTF_OpenFont("NotoSans-Bold.ttf", 16),
TTF_OpenFont("NotoSans-Regular.ttf", 16) };
fontpack f = { TTF_OpenFont("C:\\Users\\alistair\\source\\repos\\Project1\\x64\\Debug\\unifont.ttf", 32),
TTF_OpenFont("C:\\Users\\alistair\\source\\repos\\Project1\\x64\\Debug\\unifont.ttf", 32) };
if (!f.messages || !f.usernames) {
std::cerr << "Failed to load font." << std::endl;
@ -99,6 +101,8 @@ int main(int argc, char *argv[]) { @@ -99,6 +101,8 @@ int main(int argc, char *argv[]) {
("c,channel", "channel to connect to '#channelname'", cxxopts::value<std::string>())
("s,server", "irc server address (irc.chat.twitch.tv)", cxxopts::value<std::string>())
("p,port", "irc server port (6667)", cxxopts::value<std::string>())
("b,background", "chat background colour (css format)", cxxopts::value<std::string>())
("F,foregreound", "text colour (css format)", cxxopts::value<std::string>())
("h,help", "Print help")
;
@ -134,11 +138,27 @@ int main(int argc, char *argv[]) { @@ -134,11 +138,27 @@ int main(int argc, char *argv[]) {
maxfps = result["fps"].as<int>();
}
drawinfo info {};
info.drawcontext = create_window(640, 480, "Twitch chat " + channel);
info.fonts = load_fonts();
info.colours.background = { 230, 230, 230, 255 };
info.colours.messages = { 0, 0, 0, 255 };
info.colours.messages = { 255, 255, 255, 255 };
if (result.count("background")) {
auto bg = CSSColorParser::parse(result["background"].as<std::string>());
if (bg) {
info.colours.background = { bg->r, bg->g, bg->b, 255 };
}
}
if (result.count("foregreound")) {
auto bg = CSSColorParser::parse(result["foreground"].as<std::string>());
if (bg) {
info.colours.messages = { bg->r, bg->g, bg->b, 255 };
}
}
SDL_Event event;
@ -171,6 +191,21 @@ int main(int argc, char *argv[]) { @@ -171,6 +191,21 @@ int main(int argc, char *argv[]) {
switch (event.type) {
case SDL_QUIT:
return 0;
case SDL_WINDOWEVENT:
switch (event.window.event) {
case SDL_WINDOWEVENT_RESIZED:
case SDL_WINDOWEVENT_MAXIMIZED:
case SDL_WINDOWEVENT_RESTORED:
case SDL_WINDOWEVENT_SIZE_CHANGED:
info.drawcontext.width = event.window.data1;
info.drawcontext.height = event.window.data2;
new_message = true; // trigger redraw
break;
default:
break;
}
break;
default:
;
}

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