new text rendering
This commit is contained in:
Julian Hinxlage
parent
445a11158d
commit
f6b0e7abe7
@ -1,6 +1,8 @@
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#include "../src/Bitmap.h"
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#include "../src/TextRenderer.h"
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#include <internal.hpp>
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#include "Font.hpp"
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#include "internal.hpp"
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#include "vkvm.hpp"
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#include <thread>
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/**
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* @author: Julian Hinxlage
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@ -12,24 +14,58 @@ int main() {
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vkvm::initialize(0);
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vkvm::setLogLevel(vkvm::DEBUG);
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TextRenderer textRenderer = TextRenderer();
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textRenderer.setLeftMargin(1);
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textRenderer.setBottomMargin(1);
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Font font(std::string() + "../res/font" + std::to_string(vkvm::getFont()) + ".bmp", std::string() + "../res/font" + std::to_string(vkvm::getFont()) + ".toml");
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vkvm::registerEvent(vkvm::EventType::RenderText, [&textRenderer]() {
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vkvm::registerEvent(vkvm::EventType::RenderText, [&font]() {
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std::string currentText = vkvm::getText();
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vkvm::log(vkvm::DEBUG, currentText);
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textRenderer.update(currentText);
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int perRow = vkvm::getWidth() / font.width();
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auto bc = vkvm::getBackgroundColor();
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auto fc = vkvm::getForegroundColor();
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//clear area
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for(int y = 0; y < vkvm::getHeight();y++){
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for(int x = 0; x < vkvm::getWidth();x++) {
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vkvm::setPixel(x,y,bc);
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}
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}
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int x = 0;
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int y = 0;
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for(char c : currentText){
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if(c == '\n'){
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y++;
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x = 0;
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}else if(c == -127){
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//TODO(julian): cursor
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}
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else{
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if(x == perRow){
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y++;
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x = 0;
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}
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for(int i = 0; i < font.height();i++){
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for(int j = 0; j < font.width();j++){
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if(font.getPixel(c, j, i)){
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vkvm::setPixel(x * font.width() + j, y * font.height() + i, fc);
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}else{
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vkvm::setPixel(x * font.width() + j, y * font.height() + i, bc);
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}
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}
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}
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x++;
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}
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}
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vkvm::callEvent(vkvm::EventType::Redraw);
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});
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vkvm::registerEvent(vkvm::EventType::UpdateControlRegisters, [&textRenderer]() {
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textRenderer.updateParameters();
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vkvm::registerEvent(vkvm::EventType::UpdateControlRegisters, [&font]() {
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font.load(std::string() + "../res/font" + std::to_string(vkvm::getFont()) + ".bmp", std::string() + "../res/font" + std::to_string(vkvm::getFont()) + ".toml");
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});
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while (true) {
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std::this_thread::sleep_for(std::chrono::milliseconds(100));
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}
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return 0;
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}
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@ -1,4 +1,4 @@
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#include "Bitmap.h"
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#include "Bitmap.hpp"
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#include <fstream>
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#include <iostream>
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@ -53,7 +53,7 @@ unsigned int Bitmap::getPixel(int x, int y) {
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unsigned int pixel = 0;
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char *ptr = getData() + ((getHeight() - 1 - y) * getWidth() + x) * (getBitsPerPixel() / 8);
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for(int i = 0; i < getBitsPerPixel() / 8;i++){
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auto value = reinterpret_cast<char*>(&pixel+i);
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auto value = reinterpret_cast<char*>(&pixel)+i;
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*value = ptr[i];
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}
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if(pixel != 0){
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@ -1,5 +1,5 @@
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#ifndef TEXTRENDERER_BITMAP_H
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#define TEXTRENDERER_BITMAP_H
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#ifndef TEXTRENDERER_BITMAP_HPP
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#define TEXTRENDERER_BITMAP_HPP
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#include <string>
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#include <vector>
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@ -65,4 +65,4 @@ private:
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};
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#endif //TEXTRENDERER_BITMAP_H
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#endif //TEXTRENDERER_BITMAP_HPP
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@ -2,7 +2,7 @@
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// Copyright (c) 2019 Julian Hinxlage. All rights reserved.
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//
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#include "Font.h"
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#include "Font.hpp"
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#include "../lib/toml/cpptoml.h"
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Font::Font() {
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@ -16,6 +16,9 @@ Font::Font() {
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yStart = 0;
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fillValue = 0;
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firstChar = ' ';
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pixelSize = 1;
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gap = -1;
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invertedColors = false;
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}
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Font::Font(const std::string &file, const std::string &configFile) : Font() {
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@ -37,7 +40,7 @@ void Font::load(const std::string &file, const std::string &configFile) {
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firstChar = config->get_as<char>("firstChar").value_or(0);
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pixelSize = config->get_as<int>("pixelSize").value_or(0);
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gap = config->get_as<int>("gap").value_or(-1);
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invertedColors = config->get_as<bool>("invertedColors").value_or(0);
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invertedColors = static_cast<bool>(config->get_as<int>("invertedColors").value_or(0));
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}
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int Font::width() {
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@ -2,10 +2,10 @@
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// Copyright (c) 2019 Julian Hinxlage. All rights reserved.
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//
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#ifndef TEXTRENDERER_FONT_H
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#define TEXTRENDERER_FONT_H
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#ifndef TEXTRENDERER_FONT_HPP
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#define TEXTRENDERER_FONT_HPP
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#include "Bitmap.h"
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#include "Bitmap.hpp"
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/**
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* @author: Julian Hinxlage
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@ -52,4 +52,4 @@ public:
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};
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#endif //TEXTRENDERER_FONT_H
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#endif //TEXTRENDERER_FONT_HPP
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@ -1,290 +0,0 @@
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//
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// Created by my on 2019/11/16.
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//
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#include <internal.hpp>
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#include "TextRenderer.h"
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TextRenderer::TextRenderer() {
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updateParameters();
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}
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void TextRenderer::update(std::string newText) {
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currentX = 0;
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currentY = 0;
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int i;
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int fontNumbersInOneLine = windowWidth / (font.width() + left_margin);
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int space = 0;
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int currentLine;
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std::vector<std::vector<bool>> characterBitmap;
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clear();
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newText = adjustText(newText);
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vkvm::log(vkvm::LogLevel::DEBUG, newText, "\n");
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for(i = 0; i < newText.size(); i++) {
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if(newText[i] == returnCharacter) {
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space += (fontNumbersInOneLine - ((i + space) % fontNumbersInOneLine) - 1);
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} else {
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if(newText[i] == specialCharacter) {
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space -= 1;
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int tempBlinkX = blinkX;
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int tempBlinkY = blinkY;
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int tempSpecialCharacterCurrentX = specialCharacterCurrentX;
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int tempSpecialCharacterCurrentY = specialCharacterCurrentY;
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char tempSpecialChar = _specialCharacter;
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specialCharacterCurrentX = ((i + space) % fontNumbersInOneLine) * (font.width() + left_margin);
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specialCharacterCurrentY = ((i + space) / fontNumbersInOneLine) * (font.height() + bottom_margin);
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blinkX = specialCharacterCurrentX + font.width();
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blinkY = specialCharacterCurrentY;
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_specialCharacter = newText[i - 1];
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if(_specialCharacter != '\n') {
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characterBitmap = getCharacter(_specialCharacter);
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translateToSharedMemory(characterBitmap, specialCharacterCurrentX, specialCharacterCurrentY, true);
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} else {
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blinkX = 0;
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blinkY += (font.height() + bottom_margin);
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}
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if(specialCharacterCurrentX != tempSpecialCharacterCurrentX && specialCharacterCurrentY != tempSpecialCharacterCurrentY) {
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clear(tempBlinkX, tempBlinkY, tempBlinkX + 1, tempBlinkY + font.height() + 1);
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if(tempSpecialChar != '\n' && (tempSpecialCharacterCurrentY * 10 + tempSpecialCharacterCurrentX <= specialCharacterCurrentY * 10 + tempSpecialCharacterCurrentX)) {
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translateToSharedMemory(getCharacter(tempSpecialChar), tempSpecialCharacterCurrentX, tempSpecialCharacterCurrentY, true);
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}
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}
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} else {
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currentLine = ((i + space) / fontNumbersInOneLine);
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currentX = ((i + space) % fontNumbersInOneLine) * (font.width() + left_margin);
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currentY = (currentLine) * (font.height() + bottom_margin);
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characterBitmap = getCharacter(newText[i]);
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translateToSharedMemory(characterBitmap, currentX, currentY, false);
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}
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}
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}
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if(newText.size() < oldTextsize) {
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clear(currentX, currentY, font.width(), currentY + font.height());
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}
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}
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std::string TextRenderer::adjustText(std::string newText) {
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int fontNumbersInOneLine = windowWidth / (font.width() + left_margin);
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int totalLine = windowHeight / (font.height() + bottom_margin);
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int stringLine = 1;
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int characterNumberOfLastLine = 0;
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for(char c : newText) {
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if(c == returnCharacter) {
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stringLine++;
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characterNumberOfLastLine = 0;
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} else if(c != specialCharacter) {
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characterNumberOfLastLine++;
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if(characterNumberOfLastLine == fontNumbersInOneLine) {
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stringLine++;
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characterNumberOfLastLine = 0;
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}
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}
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}
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if(stringLine > totalLine) {
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int startLine = stringLine - totalLine;
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int currentLine = 0;
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int cursorLine;
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for(int i = 0; i < newText.size(); i++) {
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if(newText[i] == returnCharacter) {
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currentLine++;
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characterNumberOfLastLine = 0;
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} else if(newText[i] != specialCharacter) {
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characterNumberOfLastLine++;
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if(characterNumberOfLastLine == fontNumbersInOneLine) {
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currentLine++;
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characterNumberOfLastLine = 0;
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}
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} else {
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cursorLine = currentLine;
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if(currentLine < startLine) {
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return adjustText(newText, cursorLine, cursorLine + totalLine);
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}
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}
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if(currentLine == startLine) {
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return newText.substr(i + 1, newText.size());
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}
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}
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}
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return newText;
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}
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std::string TextRenderer::adjustText(std::string newText, int startLine, int endLine) {
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int currentLine = 0;
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int startIndex, endIndex;
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int characterNumberOfCurrentLine = 0;
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int fontNumbersInOneLine = windowWidth / (font.width() + left_margin);
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for(int i = 0; i < newText.size(); i++) {
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if(newText[i] == returnCharacter) {
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characterNumberOfCurrentLine = 0;
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currentLine++;
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if(currentLine == startLine) {
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startIndex = i;
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}
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if(currentLine == endLine) {
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endIndex = i;
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return newText.substr(startIndex + 1, endIndex);
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}
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} else if (newText[i] != specialCharacter) {
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characterNumberOfCurrentLine++;
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if(characterNumberOfCurrentLine == fontNumbersInOneLine) {
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characterNumberOfCurrentLine = 0;
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currentLine++;
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if(currentLine == startLine) {
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startIndex = i;
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}
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if(currentLine == endLine) {
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endIndex = i;
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return newText.substr(startIndex + 1, endIndex);
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}
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}
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}
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}
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vkvm::log(vkvm::ERROR, "could not adjust string");
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return std::string();
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}
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void TextRenderer::clear() {
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clear(0, 0, windowWidth, windowHeight);
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}
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void TextRenderer::clear(int startX, int startY, int endX, int endY) {
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int x, y;
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for(y = startY; y < endY; y++) {
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for(x = startX; x < endX; x++) {
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vkvm::setPixel(x, y, backgroundColor);
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}
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}
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}
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std::vector<std::vector<bool>> TextRenderer::getCharacter(unsigned char character) {
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std::vector<std::vector<bool>> bitmap_character;
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bitmap_character.resize(font.height());
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vkvm::log(vkvm::DEBUG, bitmap_character.size());
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for (int y = 0; y < font.height(); y += fontSize) {
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vkvm::log(vkvm::DEBUG, y);
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for(int i = 0; i < fontSize; i++) {
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bitmap_character[y + i].resize(font.width());
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}
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for (int x = 0; x < font.width(); x += fontSize) {
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bitmap_character[y][x] = font.getPixel(character, x / fontSize, y / fontSize);
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if(bitmap_character[y][x] && fontSize != 1) {
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if(y != 0) {
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for (int i = y - fontSize + 1; i < y; i++) {
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bitmap_character[i][x] = bitmap_character[y - fontSize][x];
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}
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}
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if(x != 0) {
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for (int i = x - fontSize + 1; i < x; i++) {
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bitmap_character[y][i] = bitmap_character[y][x - fontSize];
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}
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}
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if(x != 0 && y != 0) {
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for (int i = 1; i < fontSize; i++) {
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bitmap_character[y - i][x - i] = bitmap_character[y - fontSize][x - fontSize];
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}
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}
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}
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}
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}
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vkvm::log(vkvm::DEBUG, bitmap_character.size());
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return bitmap_character;
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}
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void TextRenderer::translateToSharedMemory(std::vector<std::vector<bool>> characterBitmap, int startX, int startY, bool flipColors) {
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int x, y;
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int _currentX = startX;
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int _currentY = startY;
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for(y = 0; y < font.height(); y++) {
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for(x = 0; x < font.width(); x++) {
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if(characterBitmap[y][x]) {
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vkvm::log(vkvm::DEBUG, x, y);
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if(flipColors) {
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vkvm::setPixel(currentX, currentY, backgroundColor);
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}else {
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vkvm::setPixel(currentX, currentY, foregroundColor);
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}
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}
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else {
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if(flipColors)
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vkvm::setPixel(currentX, currentY, foregroundColor);
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else
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vkvm::setPixel(currentX, currentY, backgroundColor);
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}
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_currentX++;
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}
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_currentX = startX;
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_currentY++;
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}
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for(x = 0; x < left_margin; x++) {
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for(y = 0; y < font.height(); y++) {
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vkvm::setPixel(startX + font.width() + x, startY + y, backgroundColor);
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}
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}
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for(y = 0; y < bottom_margin; y++) {
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for(x = 0; x < font.width() + left_margin; x++) {
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vkvm::setPixel(startX + x, startY + font.height() + y, backgroundColor);
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}
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}
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}
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void TextRenderer::setLeftMargin(int margin) {
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left_margin = margin;
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}
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void TextRenderer::setBottomMargin(int margin) {
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bottom_margin = margin;
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}
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void TextRenderer::updateParameters() {
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windowHeight = vkvm::getHeight();
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windowWidth = vkvm::getWidth();
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int fontId = vkvm::getFont();
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std::string fontResourcePath = "../res/font" + std::to_string(fontId) + ".bmp";
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std::string fontConfigureFilePath = "../res/font" + std::to_string(fontId) + ".toml";
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font = Font(fontResourcePath, fontConfigureFilePath);
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backgroundColor = vkvm::getBackgroundColor();
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foregroundColor = vkvm::getForegroundColor();
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}
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@ -1,58 +0,0 @@
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//
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// Created by my on 2019/11/16.
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//
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#ifndef TEXTRENDERER_TEXTRENDERER_H
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#define TEXTRENDERER_TEXTRENDERER_H
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#include "Font.h"
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#include <Color.hpp>
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#include <iostream>
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#include <string>
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#include <thread>
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#include <vkvm.hpp>
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/**
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* @author: Yajie Qi, Shaohua Tong
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* @since: v0.0.0
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* @brief: gets a string from the Shared Memory and converts the text into a bitmap-array.
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*/
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class TextRenderer {
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public:
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TextRenderer();
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void update(std::string text);
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void updateParameters();
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std::vector<std::vector<bool>> getCharacter(unsigned char character);
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void setLeftMargin(int margin);
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void setBottomMargin(int margin);
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void clear();
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void clear(int startX, int startY, int endX, int endY);
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private:
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int left_margin = 1;
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int bottom_margin = 1;
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Font font;
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void translateToSharedMemory(std::vector<std::vector<bool>> characterBitmap, int startX, int startY, bool flipColors);
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vkvm::Color backgroundColor;
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vkvm::Color foregroundColor;
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int windowWidth;
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||||
int windowHeight;
|
||||
|
||||
char returnCharacter = '\n';
|
||||
char specialCharacter = -127;
|
||||
int specialCharacterCurrentX;
|
||||
int specialCharacterCurrentY;
|
||||
char _specialCharacter;
|
||||
int fontSize = 1;
|
||||
int currentX;
|
||||
int currentY;
|
||||
int oldTextsize{};
|
||||
int blinkX = 0;
|
||||
int blinkY = 0;
|
||||
|
||||
std::string adjustText(std::string newText);
|
||||
std::string adjustText(std::string newText, int startLine, int endLine);
|
||||
};
|
||||
|
||||
|
||||
#endif //TEXTRENDERER_TEXTRENDERER_H
|
||||
@ -1,5 +1,5 @@
|
||||
#include "../src/Bitmap.h"
|
||||
#include "../src/Font.h"
|
||||
#include "Bitmap.hpp"
|
||||
#include "Font.hpp"
|
||||
#include <catch2/catch.hpp>
|
||||
|
||||
TEST_CASE("default values") {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user