mirror of
https://github.com/GaryOderNichts/DRXUtil.git
synced 2025-03-12 22:36:42 +01:00
325 lines
7.9 KiB
C++
325 lines
7.9 KiB
C++
/*
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* Copyright (C) 2024 GaryOderNichts
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "Gfx.hpp"
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#include "SDL_FontCache.h"
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#include <SDL2_gfxPrimitives.h>
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#include <map>
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#include <cstdarg>
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#include <coreinit/debug.h>
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#include <coreinit/memory.h>
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#include <ter-u32b_bdf.h>
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#include <fa-solid-900_ttf.h>
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namespace
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{
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SDL_Window* window = nullptr;
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SDL_Renderer* renderer = nullptr;
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void* fontData = nullptr;
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uint32_t fontSize = 0;
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std::map<int, FC_Font*> fontMap;
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FC_Font* monospaceFont = nullptr;
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TTF_Font* iconFont = nullptr;
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std::map<Uint16, SDL_Texture*> iconCache;
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FC_Font* GetFontForSize(int size)
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{
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if (fontMap.contains(size)) {
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return fontMap[size];
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}
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FC_Font* font = FC_CreateFont();
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if (!font) {
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return font;
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}
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if (!FC_LoadFont_RW(font, renderer, SDL_RWFromMem(fontData, fontSize), 1, size, Gfx::COLOR_BLACK, TTF_STYLE_NORMAL)) {
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FC_FreeFont(font);
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return nullptr;
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}
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fontMap.insert({size, font});
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return font;
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}
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SDL_Texture* LoadIcon(Uint16 icon)
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{
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if (iconCache.contains(icon)) {
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return iconCache[icon];
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}
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SDL_Surface* iconSurface = TTF_RenderGlyph_Blended(iconFont, icon, Gfx::COLOR_WHITE);
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if (!iconSurface) {
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return nullptr;
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}
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SDL_Texture* texture = SDL_CreateTextureFromSurface(renderer, iconSurface);
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SDL_FreeSurface(iconSurface);
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if (!texture) {
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return nullptr;
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}
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iconCache.insert({icon, texture});
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return texture;
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}
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}
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namespace Gfx
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{
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bool Init()
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{
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if (SDL_Init(SDL_INIT_VIDEO) < 0) {
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return false;
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}
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window = SDL_CreateWindow("DRXUtil", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, SCREEN_WIDTH, SCREEN_HEIGHT, 0);
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if (!window) {
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OSReport("SDL_CreateWindow failed\n");
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return false;
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}
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renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
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if (!renderer) {
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OSReport("SDL_CreateRenderer failed\n");
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SDL_DestroyWindow(window);
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window = nullptr;
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return false;
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}
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if (!OSGetSharedData(OS_SHAREDDATATYPE_FONT_STANDARD, 0, &fontData, &fontSize)) {
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OSReport("OSGetSharedData failed\n");
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return false;
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}
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TTF_Init();
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monospaceFont = FC_CreateFont();
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if (!monospaceFont) {
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return false;
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}
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if (!FC_LoadFont_RW(monospaceFont, renderer, SDL_RWFromConstMem(ter_u32b_bdf, ter_u32b_bdf_size), 1, 32, Gfx::COLOR_BLACK, TTF_STYLE_NORMAL)) {
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FC_FreeFont(monospaceFont);
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return false;
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}
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// icons @256 should be large enough for our needs
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iconFont = TTF_OpenFontRW(SDL_RWFromConstMem(fa_solid_900_ttf, fa_solid_900_ttf_size), 1, 256);
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if (!iconFont) {
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return false;
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}
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return true;
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}
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void Shutdown()
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{
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for (const auto& [key, value] : fontMap) {
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FC_FreeFont(value);
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}
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for (const auto& [key, value] : iconCache) {
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SDL_DestroyTexture(value);
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}
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FC_FreeFont(monospaceFont);
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TTF_CloseFont(iconFont);
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TTF_Quit();
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SDL_DestroyRenderer(renderer);
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SDL_DestroyWindow(window);
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SDL_Quit();
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}
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void Clear(SDL_Color color)
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{
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SDL_SetRenderDrawColor(renderer, color.r, color.g, color.b, color.a);
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SDL_RenderClear(renderer);
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}
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void Render()
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{
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SDL_RenderPresent(renderer);
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}
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void DrawRectFilled(int x, int y, int w, int h, SDL_Color color)
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{
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boxRGBA(renderer, x, y, x + w, y + h, color.r, color.g, color.b, color.a);
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}
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void DrawRect(int x, int y, int w, int h, int borderSize, SDL_Color color)
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{
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DrawRectFilled(x, y, w, borderSize, color);
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DrawRectFilled(x, y + h - borderSize, w, borderSize, color);
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DrawRectFilled(x, y, borderSize, h, color);
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DrawRectFilled(x + w - borderSize, y, borderSize, h, color);
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}
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void DrawRectRoundedFilled(int x, int y, int w, int h, int radius, SDL_Color color)
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{
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roundedBoxRGBA(renderer, x, y, x + w, y + h, radius, color.r, color.g, color.b, color.a);
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}
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void DrawCircleFilled(int x, int y, int radius, SDL_Color color)
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{
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filledCircleRGBA(renderer, x, y, radius, color.r, color.g, color.b, color.a);
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}
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void DrawCircle(int x, int y, int radius, int borderSize, SDL_Color color)
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{
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if (borderSize <= 0) {
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return;
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}
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// TODO eh this is not nice
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while (borderSize--) {
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circleRGBA(renderer, x, y, radius - borderSize, color.r, color.g, color.b, color.a);
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}
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}
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void DrawIcon(int x, int y, int size, SDL_Color color, Uint16 icon, AlignFlags align, double angle)
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{
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SDL_Texture* iconTex = LoadIcon(icon);
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if (!iconTex) {
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return;
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}
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SDL_SetTextureColorMod(iconTex, color.r, color.g, color.b);
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SDL_SetTextureAlphaMod(iconTex, color.a);
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int w, h;
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SDL_QueryTexture(iconTex, nullptr, nullptr, &w, &h);
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SDL_Rect rect;
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rect.x = x;
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rect.y = y;
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// scale the width based on hight to keep AR
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rect.w = (int) (((float) w / h) * size);
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rect.h = size;
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if (align & ALIGN_RIGHT) {
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rect.x -= rect.w;
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} else if (align & ALIGN_HORIZONTAL) {
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rect.x -= rect.w / 2;
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}
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if (align & ALIGN_BOTTOM) {
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rect.y -= rect.h;
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} else if (align & ALIGN_VERTICAL) {
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rect.y -= rect.h / 2;
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}
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// draw the icon
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if (angle) {
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SDL_RenderCopyEx(renderer, iconTex, nullptr, &rect, angle, nullptr, SDL_FLIP_NONE);
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} else {
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SDL_RenderCopy(renderer, iconTex, nullptr, &rect);
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}
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}
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int GetIconWidth(int size, Uint16 icon)
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{
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SDL_Texture* iconTex = LoadIcon(icon);
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if (!iconTex) {
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return 0;
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}
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int w, h;
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SDL_QueryTexture(iconTex, nullptr, nullptr, &w, &h);
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return (int) (((float) w / h) * size);
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}
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void Print(int x, int y, int size, SDL_Color color, std::string text, AlignFlags align, bool monospace)
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{
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FC_Font* font = monospace ? monospaceFont : GetFontForSize(size);
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if (!font) {
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return;
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}
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FC_Effect effect;
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effect.color = color;
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// scale monospace font based on size
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if (monospace) {
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effect.scale = FC_MakeScale(size / 28.0f, size / 28.0f);
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// TODO figure out how to center this properly
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y += 5;
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} else {
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effect.scale = FC_MakeScale(1,1);
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}
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if (align & ALIGN_LEFT) {
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effect.alignment = FC_ALIGN_LEFT;
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} else if (align & ALIGN_RIGHT) {
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effect.alignment = FC_ALIGN_RIGHT;
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} else if (align & ALIGN_HORIZONTAL) {
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effect.alignment = FC_ALIGN_CENTER;
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} else {
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// left by default
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effect.alignment = FC_ALIGN_LEFT;
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}
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if (align & ALIGN_BOTTOM) {
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y -= GetTextHeight(size, text, monospace);
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} else if (align & ALIGN_VERTICAL) {
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y -= GetTextHeight(size, text, monospace) / 2;
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}
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FC_DrawEffect(font, renderer, x, y, effect, "%s", text.c_str());
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}
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int GetTextWidth(int size, std::string text, bool monospace)
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{
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FC_Font* font = monospace ? monospaceFont : GetFontForSize(size);
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if (!font) {
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return 0;
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}
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float scale = monospace ? (size / 28.0f) : 1.0f;
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return FC_GetWidth(font, "%s", text.c_str()) * scale;
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}
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int GetTextHeight(int size, std::string text, bool monospace)
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{
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// TODO this doesn't work nicely with monospace yet
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monospace = false;
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FC_Font* font = monospace ? monospaceFont : GetFontForSize(size);
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if (!font) {
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return 0;
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}
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float scale = monospace ? (size / 28.0f) : 1.0f;
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return FC_GetHeight(GetFontForSize(size), "%s", text.c_str()) * scale;
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}
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}
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