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#include "uiRenderer.h"
// Constructor
UIRenderer::UIRenderer(SDL_Renderer * renderer) : renderer(renderer) {}
// Render function
void UIRenderer::render(UIObject * uiObject) {
if (Button * button = dynamic_cast<Button *>(uiObject)) {
renderButton(button);
} else if (Text * text = dynamic_cast<Text *>(uiObject)) {
renderText(text);
} else if (TextInput * textInput = dynamic_cast<TextInput *>(uiObject)) {
renderTextInput(textInput);
}
}
// Private helper function to render a Button
void UIRenderer::renderButton(Button * button) {
SDL_Rect buttonRect = {button->x, button->y, button->width, button->height};
SDL_SetRenderDrawColor(renderer, 100, 100, 255, 255); // Button color
SDL_RenderFillRect(renderer, &buttonRect);
}
// Private helper function to render a Text
void UIRenderer::renderText(Text * text) {
if (text->font != nullptr) {
SDL_Color sdlColor
= {text->color.red, text->color.green, text->color.blue, 255};
SDL_Surface * textSurface
= TTF_RenderText_Blended(text->font, text->text.c_str(), sdlColor);
if (!textSurface) {
std::cerr << "Error creating text surface: " << TTF_GetError()
<< std::endl;
return;
}
SDL_Texture * textTexture
= SDL_CreateTextureFromSurface(renderer, textSurface);
if (!textTexture) {
std::cerr << "Error creating texture from surface: "
<< SDL_GetError() << std::endl;
SDL_FreeSurface(textSurface);
return;
}
SDL_Rect textRect = {text->x, text->y, textSurface->w, textSurface->h};
SDL_RenderCopy(renderer, textTexture, nullptr, &textRect);
SDL_FreeSurface(textSurface);
SDL_DestroyTexture(textTexture);
}
}
void UIRenderer::renderTextInput(TextInput * textInput) {
// // Check if textInput or renderer is null to avoid segmentation faults
// if (!textInput || !renderer) {
// std::cerr << "Error: Null pointer detected for textInput or renderer." << std::endl;
// return;
// }
// // Render the background rectangle for the text input
// SDL_Rect inputRect = {textInput->x, textInput->y, textInput->width, textInput->height};
// SDL_SetRenderDrawColor(renderer, textInput->backgroundColor.red, textInput->backgroundColor.green, textInput->backgroundColor.blue, 255);
// SDL_RenderFillRect(renderer, &inputRect);
// // Check if font is valid
// if (!textInput->font) {
// std::cerr << "Error: Font is not loaded for textInput." << std::endl;
// return;
// }
// SDL_Color sdlColor = {textInput->textColor.red, textInput->textColor.green, textInput->textColor.blue, 255};
// if (!textInput->textBuffer.empty()) {
// // Render the text in the input field
// SDL_Surface* textSurface = TTF_RenderText_Blended(textInput->font, textInput->textBuffer.c_str(), sdlColor);
// if (textSurface) {
// SDL_Texture* textTexture = SDL_CreateTextureFromSurface(renderer, textSurface);
// if (textTexture) {
// SDL_Rect textRect = {textInput->x + 5, textInput->y + 5, textSurface->w, textSurface->h};
// SDL_RenderCopy(renderer, textTexture, nullptr, &textRect);
// SDL_DestroyTexture(textTexture);
// } else {
// std::cerr << "Error: Unable to create texture from text surface." << std::endl;
// }
// SDL_FreeSurface(textSurface);
// } else {
// std::cerr << "Error: Unable to create text surface." << std::endl;
// }
// } else if (!textInput->placeholder.empty()) {
// // Render the placeholder text
// SDL_Color placeholderColor = {128, 128, 128, 255}; // Light gray for placeholder
// SDL_Surface* placeholderSurface = TTF_RenderText_Blended(textInput->font, textInput->placeholder.c_str(), placeholderColor);
// if (placeholderSurface) {
// SDL_Texture* placeholderTexture = SDL_CreateTextureFromSurface(renderer, placeholderSurface);
// if (placeholderTexture) {
// SDL_Rect placeholderRect = {textInput->x + 5, textInput->y + 5, placeholderSurface->w, placeholderSurface->h};
// SDL_RenderCopy(renderer, placeholderTexture, nullptr, &placeholderRect);
// SDL_DestroyTexture(placeholderTexture);
// } else {
// std::cerr << "Error: Unable to create texture from placeholder surface." << std::endl;
// }
// SDL_FreeSurface(placeholderSurface);
// } else {
// std::cerr << "Error: Unable to create placeholder surface." << std::endl;
// }
// }
}
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