77 lines
1.9 KiB
C++
77 lines
1.9 KiB
C++
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#include "libwasm.h"
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#include "drawings.h"
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extern "C" {
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extern void __wasm_call_ctors();
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extern void EXPORT(Init) (const int memlen);
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extern void EXPORT(setWeight)(const int n, const int val);
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extern void EXPORT(setSpeed) (const int n);
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extern void EXPORT(graph) (int w, int h);
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extern int EXPORT(gEnabled) ();
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extern void EXPORT(Reset) ();
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extern void * EXPORT(bg_data)();
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extern void * EXPORT(fg_data)();
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extern void * EXPORT(gStep) ();
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// extern void IMPORT(drawPass) ();
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};
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static CommonPlots * pContainer = nullptr;
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void Init (int memlen) {
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_HEAP_MAX = reinterpret_cast<char*> (memlen); // před prvním voláním malloc() - může být i v konstruktorech
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__wasm_call_ctors(); // nutné volání statických konstruktorů pokud máme statické třídy
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printf("Module Init()");
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};
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void setWeight (const int n, const int val) {
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//printf ("slider %d to %d\n", n, val);
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if (pContainer) {
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pContainer->fg->setWeight (n, val);
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pContainer->fg->drawings ();
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// drawPass ();
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}
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}
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void setSpeed (const int n) {
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if (pContainer) pContainer->fg->changeSpeed(n);
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}
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void graph (int w, int h) {
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if (pContainer) {
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delete pContainer;
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pContainer = nullptr;
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}
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pContainer = new CommonPlots (w, h);
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printf("Create pContainer %d x %d\n", w, h);
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}
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int gEnabled () {
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pContainer->StartStop = ! pContainer->StartStop;
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return pContainer->StartStop ? 1 : 0;
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}
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void Reset () {
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if (pContainer) pContainer->fg->reset();
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}
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struct PtrLen {
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void * ptr;
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int len;
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};
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void * bg_data () {
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static PtrLen pl;
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pl.ptr = pContainer->bg->getData();
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pl.len = pContainer->bg->getSize();
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return & pl;
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}
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void * fg_data () {
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static PtrLen pl;
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pl.ptr = pContainer->fg->getData();
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pl.len = pContainer->fg->getSize();
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return & pl;
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}
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void * gStep () {
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pContainer->fg->step();
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static PtrLen pl;
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pl.ptr = pContainer->fg->getData();
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pl.len = pContainer->fg->getSize();
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return & pl;
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}
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