VKVM/Text-Renderer
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add Bold and underline in TextRenderer

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This commit is contained in:
Shaohua Tong 2019-11-20 12:50:32 +01:00
parent c719c8f655
commit ab2d13f6bb
4 changed files with 25 additions and 14 deletions
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23
main/main.cpp
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@ -19,18 +19,31 @@ bool isQuit(std::string command);
int main() {
vkvm::initialize(0);
Font font("../res/font1.bmp", "../res/font1.toml");
std::string oldText;
std::string currentText;
TextRenderer textRenderer(vkvm::Color(255, 255, 255), vkvm::Color(0, 0, 0));
/*************************set back to shared memory(only for test)********************************************/
vkvm::Color fontColor1(0, 0, 0);
vkvm::Color backgroudColor1(255, 255, 255);
Font font1("../res/font3.bmp", "../res/font3.toml");
vkvm::setFont(vkvm::FontType(3, "font", font1.height(), font1.width()));
vkvm::setForegroundColor(fontColor1);
vkvm::setBackgroundColor(backgroudColor1);
/**************************get text and font from shared memory*******************************************/
std::string fontResourcePath = "../res/font" + std::to_string(vkvm::getFont().getId()) + ".bmp";
std::string fontConfigureFilePath = "../res/font" + std::to_string(vkvm::getFont().getId()) + ".toml";
Font font = Font(fontResourcePath, fontConfigureFilePath);
TextRenderer textRenderer(vkvm::Color(255, 255, 255), vkvm::Color(0, 0, 0). font);
vkvm::Color fontColor = vkvm::getForegroundColor();
vkvm::Color backgroundColor = vkvm::getBackgroundColor();
/*********************************************************************/
std::string command;
std::cout << "TextRender: " << std::endl;
std::getline(std::cin, command);
while(!isQuit(command)) {
if(command.compare("update")) {
vkvm::setText("Hello World.");
currentText = vkvm::getText();
textRenderer.update(currentText);
}

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res/font3.bmp
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Width:  |  Height:  |  Size: 448 KiB

12
src/TextRenderer.cpp
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@ -3,14 +3,14 @@
//
#include "TextRenderer.h"
TextRenderer::TextRenderer(vkvm::Color backgroundColor, vkvm::Color fontColor)
: backgroundColor(backgroundColor), fontColor(fontColor) {
TextRenderer::TextRenderer(vkvm::Color backgroundColor, vkvm::Color fontColor, Font font)
: backgroundColor(backgroundColor), fontColor(fontColor), font(font) {
windowWidth = vkvm::getWidth();
fontWidth = font.width();
fontHeight = font.height();
}
void TextRenderer::update(std::string text) {
void TextRenderer::update(std::string newText) {
int startX;
int startY;
int i;
@ -19,10 +19,6 @@ void TextRenderer::update(std::string text) {
std::cout << "get window's width from shared memery: (" << windowWidth << ")" << std::endl;
std::string newText = vkvm::getText();
std::cout << "get text:" << newText << std::endl;
for(i = 0; i < newText.size(); i++) {
if(i > oldText.size() || oldText[i] != newText[i]) {
startX = i % fontNumbersInOneLine * fontWidth;
@ -32,6 +28,8 @@ void TextRenderer::update(std::string text) {
translateToSharedMemory(characterBitmap, startX, startY);
}
}
oldText = newText;
}
void TextRenderer::setOldText(std::string text) {

4
src/TextRenderer.h
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@ -22,7 +22,7 @@
*/
class TextRenderer {
public:
TextRenderer(vkvm::Color defaultBackgroundColor, vkvm::Color fontColor);
TextRenderer(vkvm::Color defaultBackgroundColor, vkvm::Color fontColor, Font font);
void update(std::string text);
void setOldText(std::string text);
@ -33,7 +33,7 @@ private:
vkvm::Color backgroundColor;
vkvm::Color fontColor;
vkvm::FontType fontType = vkvm::getFont();
Font font = Font(fontType.getName(), "../res/font3.toml");
Font font;
int type;
int windowWidth;
int fontWidth;