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Split the TextBox files into two proper modules

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This commit is contained in:
Kayne Ruse
2015-08-13 23:19:26 +10:00
parent 9e5a39f251
commit 7dc092a0f1
4 changed files with 117 additions and 78 deletions
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src/common/text_box.cpp
-54
View File
@@ -23,60 +23,6 @@
#include <stdexcept>
SDL_Texture* renderTextTexture(SDL_Renderer* renderer, TTF_Font* font, std::string str, SDL_Color color) {
//make the surface (from SDL_ttf)
SDL_Surface* surface = TTF_RenderText_Solid(font, str.c_str(), color);
if (!surface) {
throw(std::runtime_error("Failed to create a TTF surface"));
}
//convert to texture
SDL_Texture* texture = SDL_CreateTextureFromSurface(renderer, surface);
//cleanup
SDL_FreeSurface(surface);
//check
if (!texture) {
throw(std::runtime_error("Failed to create a TTF texture"));
}
//NOTE: free the texture yourself
return texture;
}
//-------------------------
//TextLine
//-------------------------
TextLine::TextLine() {
//
}
TextLine::~TextLine() {
ClearText();
}
void TextLine::DrawTo(SDL_Renderer* renderer, int posX, int posY) {
SDL_Rect dclip = {posX, posY, 0, 0};
SDL_QueryTexture(texture, nullptr, nullptr, &dclip.w, &dclip.h);
SDL_RenderCopy(renderer, texture, nullptr, &dclip);
}
void TextLine::SetText(SDL_Renderer* renderer, TTF_Font* font, std::string str, SDL_Color color) {
//just use the above global function
SDL_DestroyTexture(texture);
texture = renderTextTexture(renderer, font, str, color);
}
void TextLine::ClearText() {
SDL_DestroyTexture(texture);
}
//-------------------------
//TextBox
//-------------------------
TextBox::TextBox() {
//
}
src/common/text_box.hpp
+2 -24
View File
@@ -21,36 +21,14 @@
*/
#pragma once
#include "text_line.hpp"
#include "SDL2/SDL.h"
#include "SDL2/SDL_ttf.h"
#include <string>
#include <list>
constexpr SDL_Color COLOR_WHITE = {255, 255, 255, 255};
SDL_Texture* renderTextTexture(SDL_Renderer*, TTF_Font*, std::string, SDL_Color color);
//-------------------------
class TextLine {
public:
TextLine();
TextLine(SDL_Renderer* r, TTF_Font* f, std::string s, SDL_Color c)
{ SetText(r, f, s, c); }
~TextLine();
void DrawTo(SDL_Renderer*, int posX, int posY);
void SetText(SDL_Renderer*, TTF_Font*, std::string, SDL_Color color);
void ClearText();
protected:
SDL_Texture* texture = nullptr;
};
//-------------------------
class TextBox {
public:
TextBox();
src/common/text_line.cpp
+70
View File
@@ -0,0 +1,70 @@
/* Copyright: (c) Kayne Ruse 2013-2015
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*/
#include "text_line.hpp"
#include <stdexcept>
SDL_Texture* renderTextTexture(SDL_Renderer* renderer, TTF_Font* font, std::string str, SDL_Color color) {
//make the surface (from SDL_ttf)
SDL_Surface* surface = TTF_RenderText_Solid(font, str.c_str(), color);
if (!surface) {
throw(std::runtime_error("Failed to create a TTF surface"));
}
//convert to texture
SDL_Texture* texture = SDL_CreateTextureFromSurface(renderer, surface);
//cleanup
SDL_FreeSurface(surface);
//check
if (!texture) {
throw(std::runtime_error("Failed to create a TTF texture"));
}
//NOTE: free the texture yourself
return texture;
}
TextLine::TextLine() {
//
}
TextLine::~TextLine() {
ClearText();
}
void TextLine::DrawTo(SDL_Renderer* renderer, int posX, int posY) {
SDL_Rect dclip = {posX, posY, 0, 0};
SDL_QueryTexture(texture, nullptr, nullptr, &dclip.w, &dclip.h);
SDL_RenderCopy(renderer, texture, nullptr, &dclip);
}
void TextLine::SetText(SDL_Renderer* renderer, TTF_Font* font, std::string str, SDL_Color color) {
//just use the above global function
SDL_DestroyTexture(texture);
texture = renderTextTexture(renderer, font, str, color);
}
void TextLine::ClearText() {
SDL_DestroyTexture(texture);
}
src/common/text_line.hpp
+45
View File
@@ -0,0 +1,45 @@
/* Copyright: (c) Kayne Ruse 2013-2015
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*/
#pragma once
#include "SDL2/SDL.h"
#include "SDL2/SDL_ttf.h"
#include <string>
SDL_Texture* renderTextTexture(SDL_Renderer*, TTF_Font*, std::string, SDL_Color color);
class TextLine {
public:
TextLine();
TextLine(SDL_Renderer* r, TTF_Font* f, std::string s, SDL_Color c)
{ SetText(r, f, s, c); }
~TextLine();
void DrawTo(SDL_Renderer*, int posX, int posY);
void SetText(SDL_Renderer*, TTF_Font*, std::string, SDL_Color color);
void ClearText();
protected:
SDL_Texture* texture = nullptr;
};