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+CC=gcc

+CFLAGS=-Wall -g -I/usr/include/SDL2 -DLINUX

+LDFLAGS=-lSDL2_ttf -lSDL2

+

+all: annotator annotator.exe annotator.html

+

+# common

+

+notosans_regular_ttf.c: fonts/NotoSans-Regular.ttf

+	(cd fonts && xxd -i NotoSans-Regular.ttf | tr A-Z a-z ) > notosans_regular_ttf.c

+

+notosans_regular_ttf.h: fonts/NotoSans-Regular.ttf

+	(cd fonts && xxd -i NotoSans-Regular.ttf | sed "s/^\(.*[^ ]\) *=.*/extern \1\;/g" | grep extern | tr A-Z a-z ) > notosans_regular_ttf.h

+

+# boxui.o: linux

+

+boxui.o: boxui.c boxui.h notosans_regular_ttf.c notosans_regular_ttf.h

+

+# boxui-windows.o: windows

+

+boxui-windows.o: boxui.c boxui.h notosans_regular_ttf.c notosans_regular_ttf.h

+	toolchain-zig/compile.sh boxui.c -c -o boxui-windows.o

+

+# boxui-html.o: html5

+

+boxui-html.o: boxui.c boxui.h notosans_regular_ttf.c notosans_regular_ttf.h

+	sh -c ". toolchain-emscripten/env.sh ; emcc -g -Wall -s USE_SDL=2 -s USE_SDL_TTF=2 boxui.c -c -o boxui-html.o"

+

+# annotator: linux

+

+annotator.o: annotator.c boxui.h

+

+annotator: boxui.o annotator.o

+	gcc annotator.o boxui.o -o annotator -lSDL2_ttf -lSDL2

+

+# annotator: windows

+

+annotator-windows.o: annotator.c boxui.h

+	toolchain-zig/compile.sh annotator.c -c -o annotator-windows.o

+

+annotator.exe: annotator-icon_256x256.png boxui-windows.o annotator-windows.o

+	toolchain-zig/link.sh -icon annotator-icon_256x256.png annotator.exe boxui-windows.o annotator-windows.o

+

+# annotator: html5

+

+annotator-html.o: annotator.c

+	sh -c ". toolchain-emscripten/env.sh ; emcc -g -Wall -s USE_SDL=2 -s USE_SDL_TTF=2 annotator.c -c -o annotator-html.o"

+

+annotator.html: boxui-html.template boxui-html.o annotator-html.o

+	sh -c ". toolchain-emscripten/env.sh ; emcc annotator-html.o boxui-html.o -o annotator.html -s USE_SDL=2 -s USE_SDL_TTF=2 && sed s/PROGRAMNAME/annotator/g < boxui-html.template > annotator.html && zip -pr annotator-html.zip annotator.html annotator.js annotator.wasm"

+

+clean:

+	rm -f *.o *.js *.html *.wasm *.exe \

+ notosans_regular_ttf.c notosans_regular_ttf.h \

+ annotator annotator.exe annotator-html.zip

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+/*

+ * annotator.c

+ *

+ *  Annotates a image file containg a piano music sheet with the help of a human

+ * for use in the main program.

+ *

+ * Author: Dario Rodriguez <antartica@whereismybit.com>

+ * Please see the file LICENSE.txt in the sources root directory

+ */

+

+#ifdef EMSCRIPTEN

+#include <emscripten.h>

+#endif

+#include <stdio.h>

+#include <stdlib.h>

+#include <unistd.h>

+#include <string.h>

+#include <time.h>

+#include <signal.h>

+#include "boxui.h"

+

+#define DEFAULT_SCREENW 640

+#define DEFAULT_SCREENH 480

+

+typedef struct mydata_t {

+        int flag_exit;

+        boxui_t *boxui;

+} mydata_t;

+

+volatile int flag_sigint;

+static void sigint(int n);

+static int install_signal(int n,void (*f)(int));

+

+mydata_t *mydata_init(void);

+void mydata_free(mydata_t *mydata);

+int main_loop_iteration(mydata_t *mydata);

+

+int

+main(int argc, char *argv[])

+{

+        mydata_t *mydata;

+        if((mydata=mydata_init())==NULL) {

+                DEBUG_FPRINTF((stderr,"Couldn't init\n"));

+                return(-1); /* couldn't init */

+        }

+        flag_sigint=0;

+        install_signal(SIGINT,sigint);

+        while(flag_sigint==0 && mydata->flag_exit==0 && mydata->boxui!=NULL) {

+#ifdef EMSCRIPTEN

+                emscripten_set_main_loop_arg((void (*)(void *))main_loop_iteration,(void *) mydata,boxui_getfps(mydata->boxui),1);

+#else

+                main_loop_iteration(mydata);

+#endif

+        }

+        mydata_free(mydata),mydata=NULL;

+        return(0);

+}

+

+static int

+install_signal(int n,void (*f)(int))

+{

+#ifndef LINUX

+        return(-1);

+#else

+        struct sigaction sact;

+        sact.sa_handler=f;

+        sigemptyset(&sact.sa_mask);

+        sact.sa_flags=0;

+        return(sigaction(n,&sact,0));

+#endif

+}

+

+static void

+sigint(int n)

+{

+        flag_sigint++;

+}

+

+mydata_t *

+mydata_init(void)

+{

+        boxui_t *boxui;

+        mydata_t *mydata;

+        char *p;

+        if((mydata=malloc(sizeof(mydata_t)))==NULL)

+                return(NULL);

+        memset(mydata,0,sizeof(mydata_t));

+        if((mydata->boxui=boxui=boxui_init("Presto! Sight-Reading - Annotator",DEFAULT_SCREENW,DEFAULT_SCREENH,0))==NULL

+          || boxui_setuserptr(boxui,mydata)!=0) {

+                mydata_free(mydata),mydata=NULL;

+                return(NULL);

+        }

+        /* initial UI config */

+        p=boxui_add(boxui,_F,_L,"label:.l","-text \"(Here goes the music sheet)\"");

+        boxui_pack(boxui,_F,_L,p,"-side top -fill both -expand true");

+        return(mydata);

+}

+

+void

+mydata_free(mydata_t *mydata)

+{

+        boxui_t *boxui;

+        if(mydata==NULL)

+                return;

+        if((boxui=mydata->boxui)!=NULL) {

+                boxui_setuserptr(boxui,NULL);

+                boxui_free(boxui),boxui=NULL,mydata->boxui=NULL;

+        }

+        free(mydata),mydata=NULL;

+        return;

+}

+

+int

+main_loop_iteration(mydata_t *mydata)

+{

+        boxui_t *boxui;

+        SDL_Event event;

+        int keycode,neww,newh;

+        char *actionstr,*actionparams;

+        if(mydata==NULL || (boxui=mydata->boxui)==NULL)

+                return(-1);

+        boxui_tick(boxui);

+        boxui_refreshevents(boxui);

+        while(boxui_getevent(boxui,&event)==0) {

+                /* standard events */

+                if(boxui_event_isquit(boxui,&event))

+                        mydata->flag_exit=1;

+                if(boxui_event_iskeydown(boxui,&event,&keycode) && keycode==SDLK_ESCAPE)

+                        mydata->flag_exit=1;

+                if(boxui_event_isresize(boxui,&event,&neww,&newh))

+                        boxui_resize(boxui,neww,newh);

+        }

+        while((actionstr=boxui_getactionstr(boxui,&actionparams))!=NULL) {

+                if(strcmp(actionstr,"exit")==0)

+                        mydata->flag_exit=1;

+        }

+        return(0);

+}

+

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+../boxui/boxui-html.template

\ No newline at end of file

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+../boxui/boxui.c

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+../boxui/boxui.h

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+../boxui/fonts

\ No newline at end of file

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+../boxui/toolchain-emscripten

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+../boxui/toolchain-zig

\ No newline at end of file