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TextImage class.

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Relintai 2021-04-14 23:52:03 +02:00
parent 0a4a254245
commit af406fbddc
8 changed files with 333 additions and 46 deletions
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5
03_sdl_basics/16_sdl_ttf/compile.sh
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@ -25,8 +25,9 @@ g++ -Wall -g $(sdl2-config --cflags) -c image.cpp -o obj/image.o
g++ -Wall -g $(sdl2-config --cflags) -c texture.cpp -o obj/texture.o
g++ -Wall -g $(sdl2-config --cflags) -c sprite.cpp -o obj/sprite.o
g++ -Wall -g $(sdl2-config --cflags) -c camera.cpp -o obj/camera.o
g++ -Wall -g $(sdl2-config --cflags) -c text_image.cpp -o obj/text_image.o
g++ -Wall -g $(sdl2-config --cflags) -c true_type_font.cpp -o obj/true_type_font.o
g++ -Wall -g $(sdl2-config --cflags) -c true_type_font.cpp -o obj/true_type_font.o
g++ -Wall -g $(sdl2-config --cflags) -c button.cpp -o obj/button.o
@ -36,5 +37,5 @@ g++ -Wall -g $(sdl2-config --cflags) -c main_scene.cpp -o obj/main_scene.o
g++ -Wall -g $(sdl2-config --cflags) -c main.cpp -o obj/main.o
g++ -o bin/program obj/math.o obj/rect2.o obj/color.o obj/vector2.o obj/vector3.o obj/string.o obj/renderer.o obj/image.o obj/texture.o obj/sprite.o obj/camera.o obj/true_type_font.o obj/button.o obj/scene.o obj/application.o obj/main_scene.o obj/main.o $(sdl2-config --libs) -lSDL2_ttf
g++ -o bin/program obj/math.o obj/rect2.o obj/color.o obj/vector2.o obj/vector3.o obj/string.o obj/renderer.o obj/image.o obj/texture.o obj/sprite.o obj/camera.o obj/text_image.o obj/true_type_font.o obj/button.o obj/scene.o obj/application.o obj/main_scene.o obj/main.o $(sdl2-config --libs) -lSDL2_ttf

9
03_sdl_basics/16_sdl_ttf/image.cpp
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@ -221,6 +221,15 @@ SDL_Surface *Image::get_surface() {
void Image::set_surface(SDL_Surface *surface) {
_surface = surface;
if (_surface != nullptr && _surface->format->format != SDL_PIXELFORMAT_RGBA8888) {
//Nem ARGB8888 as formátum, konvertáljuk át
SDL_Surface *n = SDL_ConvertSurfaceFormat(_surface, SDL_PIXELFORMAT_RGBA8888, 0);
free();
_surface = n;
}
}
Image::Image() {

9
03_sdl_basics/16_sdl_ttf/main_scene.cpp
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@ -26,6 +26,7 @@ void MainScene::render() {
b3->render();
_s->draw();
_s2->draw();
}
void MainScene::on_first_button_clicked() {
@ -50,6 +51,10 @@ MainScene::MainScene() {
_iit = new Texture(_ii);
_s = new Sprite(_iit);
_teximg = new TextImage(_font, "daDAdadad");
_iit2 = new Texture(_teximg->get_image());
_s2 = new Sprite(_iit2);
b1 = new Button();
b1->transform = Rect2(0, 0, 100, 100);
b1->up = new Sprite(_texture);
@ -96,6 +101,10 @@ MainScene::~MainScene() {
delete _iit;
delete _ii;
delete _teximg;
delete _s2;
delete _iit2;
delete _font;
delete _texture;
delete _image;

4
03_sdl_basics/16_sdl_ttf/main_scene.h
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@ -9,6 +9,7 @@
#include "camera.h"
#include "button.h"
#include "true_type_font.h"
#include "text_image.h"
class MainScene : public Scene {
public:
@ -32,7 +33,10 @@ public:
TrueTypeFont *_font;
Image *_ii;
Texture *_iit;
Texture *_iit2;
Sprite *_s;
Sprite *_s2;
TextImage *_teximg;
Button *b1;
Button *b2;

97
03_sdl_basics/16_sdl_ttf/text_image.cpp Normal file
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@ -0,0 +1,97 @@
#include "text_image.h"
TextImage::TextType TextImage::get_text_type() {
return _text_type;
}
void TextImage::set_text_type(const TextImage::TextType type) {
_text_type = type;
}
TrueTypeFont *TextImage::get_font() {
return _font;
}
void TextImage::set_font(TrueTypeFont *font) {
_font = font;
}
String TextImage::get_text() {
return _text;
}
void TextImage::set_text(const String &text) {
_text = text;
render_image();
}
Color TextImage::get_fg_color() {
return _fg;
}
void TextImage::get_fg_color(const Color &color) {
_fg = color;
}
Color TextImage::get_bg_color() {
return _bg;
}
void TextImage::get_bg_color(const Color &color) {
_bg = color;
}
Image *TextImage::get_image() {
return _image;
}
int TextImage::get_width() {
return _image->get_width();
}
int TextImage::get_height() {
return _image->get_height();
}
void TextImage::render_image() {
_image->free();
if (!_font) {
return;
}
switch (_text_type) {
case SOLID:
_font->render_text_solid(_text, _fg, _image);
break;
case SHADED:
_font->render_text_shaded(_text, _fg, _bg, _image);
break;
case BLENDED:
_font->render_text_blended(_text, _fg, _image);
break;
case BLENDED_WRAPPED:
_font->render_text_blended_wrapped(_text, _fg, 100, _image);
break;
default:
break;
}
}
TextImage::TextImage() {
_font = nullptr;
_text_type = BLENDED;
_image = new Image();
}
TextImage::TextImage(TrueTypeFont *font) {
_font = font;
_text_type = BLENDED;
_image = new Image();
}
TextImage::TextImage(TrueTypeFont *font, const String &text) {
_font = font;
_text_type = BLENDED;
_text = text;
_image = new Image();
render_image();
}
TextImage::~TextImage() {
delete _image;
}

57
03_sdl_basics/16_sdl_ttf/text_image.h Normal file
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@ -0,0 +1,57 @@
#ifndef TEXT_IMAGE_H
#define TEXT_IMAGE_H
#include <SDL.h>
#include "color.h"
#include "image.h"
#include "string.h"
#include "true_type_font.h"
#include "vector2.h"
class TextImage {
public:
enum TextType {
SOLID,
SHADED,
BLENDED,
BLENDED_WRAPPED
};
TextType get_text_type();
void set_text_type(const TextType type);
TrueTypeFont *get_font();
void set_font(TrueTypeFont *font);
String get_text();
void set_text(const String &text);
Color get_fg_color();
void get_fg_color(const Color &color);
Color get_bg_color();
void get_bg_color(const Color &color);
Image *get_image();
int get_width();
int get_height();
void render_image();
TextImage();
TextImage(TrueTypeFont *font);
TextImage(TrueTypeFont *font, const String &text);
virtual ~TextImage();
private:
TrueTypeFont *_font;
String _text;
Image *_image;
TextType _text_type;
Color _fg;
Color _bg;
};
#endif

176
03_sdl_basics/16_sdl_ttf/true_type_font.cpp
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@ -87,92 +87,202 @@ Vector2 TrueTypeFont::get_size_utf8(const String &text) {
return Vector2(w, h);
}
Image *TrueTypeFont::render_text_solid(const String &text, const Color &fg) {
Image *TrueTypeFont::render_text_solid(const String &text, const Color &fg, Image *img) {
if (!_font) {
return nullptr;
if (img) {
img->free();
}
return img;
}
return new Image(TTF_RenderText_Solid(_font, text.c_str(), fg.to_sdl_color()));
if (!img) {
img = new Image();
}
img->set_surface(TTF_RenderText_Solid(_font, text.c_str(), fg.to_sdl_color()));
return img;
}
Image *TrueTypeFont::render_utf8_solid(const String &text, const Color &fg) {
Image *TrueTypeFont::render_utf8_solid(const String &text, const Color &fg, Image *img) {
if (!_font) {
return nullptr;
if (img) {
img->free();
}
return img;
}
return new Image(TTF_RenderUTF8_Solid(_font, text.c_str(), fg.to_sdl_color()));
if (!img) {
img = new Image();
}
img->set_surface(TTF_RenderUTF8_Solid(_font, text.c_str(), fg.to_sdl_color()));
return img;
}
Image *TrueTypeFont::render_glyph_solid(const Uint16 ch, const Color &fg) {
Image *TrueTypeFont::render_glyph_solid(const Uint16 ch, const Color &fg, Image *img) {
if (!_font) {
return nullptr;
if (img) {
img->free();
}
return img;
}
return new Image(TTF_RenderGlyph_Solid(_font, ch, fg.to_sdl_color()));
if (!img) {
img = new Image();
}
img->set_surface(TTF_RenderGlyph_Solid(_font, ch, fg.to_sdl_color()));
return img;
}
Image *TrueTypeFont::render_text_shaded(const String &text, const Color &fg, const Color &bg) {
Image *TrueTypeFont::render_text_shaded(const String &text, const Color &fg, const Color &bg, Image *img) {
if (!_font) {
return nullptr;
if (img) {
img->free();
}
return img;
}
return new Image(TTF_RenderText_Shaded(_font, text.c_str(), fg.to_sdl_color(), bg.to_sdl_color()));
if (!img) {
img = new Image();
}
img->set_surface(TTF_RenderText_Shaded(_font, text.c_str(), fg.to_sdl_color(), bg.to_sdl_color()));
return img;
}
Image *TrueTypeFont::render_utf8_shaded(const String &text, const Color &fg, const Color &bg) {
Image *TrueTypeFont::render_utf8_shaded(const String &text, const Color &fg, const Color &bg, Image *img) {
if (!_font) {
return nullptr;
if (img) {
img->free();
}
return img;
}
return new Image(TTF_RenderUTF8_Shaded(_font, text.c_str(), fg.to_sdl_color(), bg.to_sdl_color()));
if (!img) {
img = new Image();
}
img->set_surface(TTF_RenderUTF8_Shaded(_font, text.c_str(), fg.to_sdl_color(), bg.to_sdl_color()));
return img;
}
Image *TrueTypeFont::render_glyph_shaded(const Uint16 ch, const Color &fg, const Color &bg) {
Image *TrueTypeFont::render_glyph_shaded(const Uint16 ch, const Color &fg, const Color &bg, Image *img) {
if (!_font) {
return nullptr;
if (img) {
img->free();
}
return img;
}
return new Image(TTF_RenderGlyph_Shaded(_font, ch, fg.to_sdl_color(), bg.to_sdl_color()));
if (!img) {
img = new Image();
}
img->set_surface(TTF_RenderGlyph_Shaded(_font, ch, fg.to_sdl_color(), bg.to_sdl_color()));
return img;
}
Image *TrueTypeFont::render_text_blended(const String &text, const Color &fg) {
Image *TrueTypeFont::render_text_blended(const String &text, const Color &fg, Image *img) {
if (!_font) {
return nullptr;
if (img) {
img->free();
}
return img;
}
return new Image(TTF_RenderText_Blended(_font, text.c_str(), fg.to_sdl_color()));
if (!img) {
img = new Image();
}
img->set_surface(TTF_RenderText_Blended(_font, text.c_str(), fg.to_sdl_color()));
return img;
}
Image *TrueTypeFont::render_utf8_blended(const String &text, const Color &fg) {
Image *TrueTypeFont::render_utf8_blended(const String &text, const Color &fg, Image *img) {
if (!_font) {
return nullptr;
if (img) {
img->free();
}
return img;
}
return new Image(TTF_RenderUTF8_Blended(_font, text.c_str(), fg.to_sdl_color()));
if (!img) {
img = new Image();
}
img->set_surface(TTF_RenderUTF8_Blended(_font, text.c_str(), fg.to_sdl_color()));
return img;
}
Image *TrueTypeFont::render_text_blended_wrapped(const String &text, const Color &fg, Uint32 wrap_length) {
Image *TrueTypeFont::render_text_blended_wrapped(const String &text, const Color &fg, Uint32 wrap_length, Image *img) {
if (!_font) {
return nullptr;
if (img) {
img->free();
}
return img;
}
return new Image(TTF_RenderText_Blended_Wrapped(_font, text.c_str(), fg.to_sdl_color(), wrap_length));
if (!img) {
img = new Image();
}
img->set_surface(TTF_RenderText_Blended_Wrapped(_font, text.c_str(), fg.to_sdl_color(), wrap_length));
return img;
}
Image *TrueTypeFont::render_utf8_blended_wrapped(const String &text, const Color &fg, Uint32 wrap_length) {
Image *TrueTypeFont::render_utf8_blended_wrapped(const String &text, const Color &fg, Uint32 wrap_length, Image *img) {
if (!_font) {
return nullptr;
if (img) {
img->free();
}
return img;
}
return new Image(TTF_RenderUTF8_Blended_Wrapped(_font, text.c_str(), fg.to_sdl_color(), wrap_length));
if (!img) {
img = new Image();
}
img->set_surface(TTF_RenderUTF8_Blended_Wrapped(_font, text.c_str(), fg.to_sdl_color(), wrap_length));
return img;
}
Image *TrueTypeFont::render_glyph_blended(const Uint16 ch, const Color &fg) {
Image *TrueTypeFont::render_glyph_blended(const Uint16 ch, const Color &fg, Image *img) {
if (!_font) {
return nullptr;
if (img) {
img->free();
}
return img;
}
return new Image(TTF_RenderGlyph_Blended(_font, ch, fg.to_sdl_color()));
if (!img) {
img = new Image();
}
img->set_surface(TTF_RenderGlyph_Blended(_font, ch, fg.to_sdl_color()));
return img;
}
void TrueTypeFont::load(const String &file_name, const int ptsize, const int index) {

22
03_sdl_basics/16_sdl_ttf/true_type_font.h
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@ -50,21 +50,21 @@ public:
Vector2 get_size_utf8(const String &text);
Vector2 get_size_unicode(const String &text);
Image *render_text_solid(const String &text, const Color &fg);
Image *render_utf8_solid(const String &text, const Color &fg);
Image *render_glyph_solid(const Uint16 ch, const Color &fg);
Image *render_text_solid(const String &text, const Color &fg, Image *img = nullptr);
Image *render_utf8_solid(const String &text, const Color &fg, Image *img = nullptr);
Image *render_glyph_solid(const Uint16 ch, const Color &fg, Image *img = nullptr);
Image *render_text_shaded(const String &text, const Color &fg, const Color &bg);
Image *render_utf8_shaded(const String &text, const Color &fg, const Color &bg);
Image *render_glyph_shaded(const Uint16 ch, const Color &fg, const Color &bg);
Image *render_text_shaded(const String &text, const Color &fg, const Color &bg, Image *img = nullptr);
Image *render_utf8_shaded(const String &text, const Color &fg, const Color &bg, Image *img = nullptr);
Image *render_glyph_shaded(const Uint16 ch, const Color &fg, const Color &bg, Image *img = nullptr);
Image *render_text_blended(const String &text, const Color &fg);
Image *render_utf8_blended(const String &text, const Color &fg);
Image *render_text_blended(const String &text, const Color &fg, Image *img = nullptr);
Image *render_utf8_blended(const String &text, const Color &fg, Image *img = nullptr);
Image *render_text_blended_wrapped(const String &text, const Color &fg, Uint32 wrap_length);
Image *render_utf8_blended_wrapped(const String &text, const Color &fg, Uint32 wrap_length);
Image *render_text_blended_wrapped(const String &text, const Color &fg, Uint32 wrap_length, Image *img = nullptr);
Image *render_utf8_blended_wrapped(const String &text, const Color &fg, Uint32 wrap_length, Image *img = nullptr);
Image *render_glyph_blended(const Uint16 ch, const Color &fg);
Image *render_glyph_blended(const Uint16 ch, const Color &fg, Image *img = nullptr);
void load(const String &file_name, const int ptsize, const int index = -1);
void free();