107 lines
3.2 KiB
C++
107 lines
3.2 KiB
C++
//
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// Created by my on 2019/11/16.
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//
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#include "TextRenderer.h"
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#include <utility>
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TextRenderer::TextRenderer() = default;
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void TextRenderer::update(std::string newText) {
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int startX = 0;
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int startY = 0;
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int i;
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std::string fontResourcePath = "../res/font" + std::to_string(vkvm::getFont()) + ".bmp";
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std::string fontConfigureFilePath = "../res/font" + std::to_string(vkvm::getFont()) + ".toml";
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font = Font(fontResourcePath, fontConfigureFilePath);
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int fontNumbersInOneLine = vkvm::getWidth() / (font.width() + left_margin);
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std::vector<std::vector<bool>> characterBitmap;
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for(i = 0; i < newText.size(); i++) {
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if(i > oldText.size() || oldText[i] != newText[i]) {
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startX = (i % fontNumbersInOneLine) * (font.width() + left_margin);
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startY = (i / fontNumbersInOneLine) * (font.height() + bottom_margin);
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characterBitmap = getCharacter(newText[i]);
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// fontProcessing(characterBitmap);
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translateToSharedMemory(characterBitmap, startX, startY);
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}
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}
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setOldText(newText);
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}
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void TextRenderer::clear() {
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int x;
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int y;
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for(y = 0; y < vkvm::getHeight(); y++) {
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for(x = 0; x < vkvm::getWidth(); x++) {
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vkvm::setPixel(x, y, vkvm::getBackgroundColor());
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}
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}
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}
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void TextRenderer::setOldText(std::string text) {
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oldText = std::move(text);
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}
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std::vector<std::vector<bool>> TextRenderer::getCharacter(unsigned char character) {
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int fontHeight = font.height();
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int fontWidth = font.width();
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std::vector<std::vector<bool>> bitmap_character;
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// bitmap_character = (bool**)malloc(fontHeight * sizeof(bool*));
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bitmap_character.resize(fontHeight);
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for (int i = 0; i < fontHeight; i++) {
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// bitmap_character[i] = (bool*)malloc(fontWidth * sizeof(bool));
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bitmap_character[i].resize(fontWidth);
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for (int j = 0; j < fontWidth; j++) {
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bitmap_character[i][j] = font.getPixel(character, j, i);
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}
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}
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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) {
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int x;
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int 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::setPixel(currentX, currentY, vkvm::getForegroundColor());
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}
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else {
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vkvm::setPixel(currentX, currentY, vkvm::getBackgroundColor());
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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, vkvm::getBackgroundColor());
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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, vkvm::getBackgroundColor());
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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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