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Added sdl2-ttf example to sdl2-demo (#80)

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AdaLovegirls 2020-06-25 06:31:06 -05:00 committed by GitHub
parent 73b50688ab
commit ea27fe123d
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 30 additions and 3 deletions
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2
graphics/sdl2/sdl2-demo/Makefile
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@ -62,7 +62,7 @@ CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions
ASFLAGS := -g $(ARCH)
LDFLAGS = -specs=$(DEVKITPRO)/libnx/switch.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)
LIBS := `$(PREFIX)pkg-config --libs sdl2 SDL2_mixer SDL2_image` \
LIBS := `$(PREFIX)pkg-config --libs sdl2 SDL2_mixer SDL2_image SDL2_ttf` \
-lnx
#---------------------------------------------------------------------------------

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graphics/sdl2/sdl2-demo/romfs/data/LeroyLetteringLightBeta01.ttf Normal file
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31
graphics/sdl2/sdl2-demo/source/main.c
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@ -1,5 +1,5 @@
/* Mini SDL Demo
* featuring SDL2 + SDL2_mixer + SDL2_image
* featuring SDL2 + SDL2_mixer + SDL2_image + SDL2_ttf
* on Nintendo Switch using libnx
*
* Copyright 2018 carsten1ns
@ -25,6 +25,7 @@
#include <SDL.h>
#include <SDL_mixer.h>
#include <SDL_image.h>
#include <SDL_ttf.h>
#include <switch.h>
// some switch buttons
@ -42,6 +43,23 @@
#define SCREEN_W 1280
#define SCREEN_H 720
void render_text(SDL_Renderer *renderer, int x, int y, const char* text, TTF_Font *font, SDL_Rect *rect, SDL_Color *color)
{
SDL_Surface *surface;
SDL_Texture *texture;
surface = TTF_RenderText_Solid(font, text, *color);
texture = SDL_CreateTextureFromSurface(renderer, surface);
rect->x = x;
rect->y = y;
rect->w = surface->w;
rect->h = surface->h;
SDL_FreeSurface(surface);
SDL_RenderCopy(renderer, texture, NULL, rect);
SDL_DestroyTexture(texture);
}
int rand_range(int min, int max){
return min + rand() / (RAND_MAX / (max - min + 1) + 1);
}
@ -61,6 +79,7 @@ int main(int argc, char** argv) {
Mix_Music *music = NULL;
Mix_Chunk *sound[4] = { NULL };
SDL_Event event;
SDL_Rect rect;
SDL_Color colors[] = {
{ 128, 128, 128, 0 }, // gray
@ -81,8 +100,9 @@ int main(int argc, char** argv) {
SDL_Init(SDL_INIT_VIDEO|SDL_INIT_TIMER);
Mix_Init(MIX_INIT_OGG);
IMG_Init(IMG_INIT_PNG);
TTF_Init();
SDL_Window* window = SDL_CreateWindow("sdl2+mixer+image demo", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, SCREEN_W, SCREEN_H, SDL_WINDOW_SHOWN);
SDL_Window* window = SDL_CreateWindow("sdl2+mixer+image+ttf demo", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, SCREEN_W, SCREEN_H, SDL_WINDOW_SHOWN);
SDL_Renderer* renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_SOFTWARE);
// load logos from file
@ -109,6 +129,9 @@ int main(int argc, char** argv) {
SDL_InitSubSystem(SDL_INIT_JOYSTICK);
SDL_JoystickEventState(SDL_ENABLE);
SDL_JoystickOpen(0);
// load font from romfs
TTF_Font* font = TTF_OpenFont("data/LeroyLetteringLightBeta01.ttf", 36);
SDL_InitSubSystem(SDL_INIT_AUDIO);
Mix_AllocateChannels(5);
@ -196,6 +219,9 @@ int main(int argc, char** argv) {
SDL_SetTextureColorMod(switchlogo_tex, colors[col].r, colors[col].g, colors[col].b);
SDL_RenderCopy(renderer, switchlogo_tex, NULL, &pos);
}
// put text on screen
render_text(renderer, 0, SCREEN_H - 36, "Hello, world!", font, &rect, &colors[1]);
SDL_RenderPresent(renderer);
@ -211,6 +237,7 @@ int main(int argc, char** argv) {
IMG_Quit();
Mix_CloseAudio();
TTF_Quit();
Mix_Quit();
SDL_Quit();
romfsExit();