2022-03-21 22:34:43 +00:00
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/**
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* Furnace Tracker - multi-system chiptune tracker
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2023-01-20 00:18:40 +00:00
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* Copyright (C) 2021-2023 tildearrow and contributors
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2022-03-21 22:34:43 +00:00
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "gui.h"
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2022-04-09 10:02:24 +00:00
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#include "imgui_internal.h"
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2022-05-23 22:42:25 +00:00
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#include <imgui.h>
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2023-08-05 07:52:02 +00:00
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#include "../ta-log.h"
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#include "../engine/filter.h"
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2022-04-09 07:42:58 +00:00
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void FurnaceGUI::readOsc() {
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int writePos=e->oscWritePos;
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int readPos=e->oscReadPos;
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int avail=0;
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int total=0;
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2022-04-12 06:51:15 +00:00
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if (firstFrame) {
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readPos=writePos;
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}
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2022-04-09 07:42:58 +00:00
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if (writePos>=readPos) {
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avail=writePos-readPos;
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} else {
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avail=writePos-readPos+32768;
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}
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if (oscTotal==0) {
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oscTotal=ImGui::GetIO().DeltaTime*e->getAudioDescGot().rate;
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} else {
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oscTotal=(oscTotal+(int)round(ImGui::GetIO().DeltaTime*e->getAudioDescGot().rate))>>1;
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}
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int bias=avail-oscTotal-e->getAudioDescGot().bufsize;
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if (bias<0) bias=0;
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total=oscTotal+(bias>>6);
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if (total>avail) total=avail;
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//printf("total: %d. avail: %d bias: %d\n",total,avail,bias);
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2022-05-31 02:40:07 +00:00
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int winSize=e->getAudioDescGot().rate*(oscWindowSize/1000.0);
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int oscReadPos=(writePos-winSize)&0x7fff;
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2023-08-05 07:52:02 +00:00
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2023-08-05 08:26:36 +00:00
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for (int ch=0; ch<e->getAudioDescGot().outChans; ch++) {
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if (oscValues[ch]==NULL) {
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oscValues[ch]=new float[1024];
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2023-01-05 07:40:17 +00:00
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}
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2023-08-05 08:26:36 +00:00
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memset(oscValues[ch],0,1024*sizeof(float));
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float* sincITable=DivFilterTables::getSincIntegralTable();
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2023-01-05 07:40:17 +00:00
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2023-08-05 08:26:36 +00:00
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float posFrac=0.0;
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int posInt=oscReadPos;
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float factor=(float)oscWidth/(float)winSize;
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for (int i=0; i<oscWidth; i++) {
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oscValues[ch][i]+=e->oscBuf[ch][posInt&0x7fff];
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2023-08-05 07:52:02 +00:00
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2023-08-05 08:26:36 +00:00
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posFrac+=1.0;
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while (posFrac>=1.0) {
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unsigned int n=((unsigned int)(posFrac*8192.0))&8191;
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posFrac-=factor;
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posInt++;
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2023-08-05 07:52:02 +00:00
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2023-08-05 08:26:36 +00:00
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float* t1=&sincITable[(8191-n)<<3];
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float* t2=&sincITable[n<<3];
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float delta=e->oscBuf[ch][posInt&0x7fff]-e->oscBuf[ch][(posInt-1)&0x7fff];
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2023-08-05 07:52:02 +00:00
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2023-08-05 08:26:36 +00:00
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for (int j=0; j<8; j++) {
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if (i-j>0) {
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oscValues[ch][i-j]+=t1[j]*-delta;
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}
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if (i+j+1<oscWidth) {
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oscValues[ch][i+j+1]+=t2[j]*delta;
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}
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2023-08-05 07:52:02 +00:00
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}
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}
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2022-04-16 23:35:25 +00:00
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}
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2022-04-09 07:42:58 +00:00
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2023-08-05 08:26:36 +00:00
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for (int i=0; i<oscWidth; i++) {
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if (oscValues[ch][i]>0.001f || oscValues[ch][i]<-0.001f) {
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WAKE_UP;
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}
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2023-08-05 07:52:02 +00:00
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}
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2023-08-05 07:54:09 +00:00
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}
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2023-08-05 07:52:02 +00:00
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/*for (int i=0; i<oscWidth; i++) {
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oscValues[i]=(i&1)?0.3:0;
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}*/
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2022-04-09 07:42:58 +00:00
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float peakDecay=0.05f*60.0f*ImGui::GetIO().DeltaTime;
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2023-01-05 07:40:17 +00:00
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for (int i=0; i<e->getAudioDescGot().outChans; i++) {
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2022-04-09 07:42:58 +00:00
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peak[i]*=1.0-peakDecay;
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2022-04-16 23:35:25 +00:00
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if (peak[i]<0.0001) {
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peak[i]=0.0;
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} else {
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WAKE_UP;
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}
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2022-04-09 07:42:58 +00:00
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float newPeak=peak[i];
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for (int j=0; j<total; j++) {
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int pos=(readPos+j)&0x7fff;
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if (fabs(e->oscBuf[i][pos])>newPeak) {
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newPeak=fabs(e->oscBuf[i][pos]);
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}
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}
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peak[i]+=(newPeak-peak[i])*0.9;
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}
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readPos=(readPos+total)&0x7fff;
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e->oscReadPos=readPos;
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}
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2022-03-21 22:34:43 +00:00
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void FurnaceGUI::drawOsc() {
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if (nextWindow==GUI_WINDOW_OSCILLOSCOPE) {
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oscOpen=true;
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ImGui::SetNextWindowFocus();
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nextWindow=GUI_WINDOW_NOTHING;
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}
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if (!oscOpen) return;
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2022-10-20 07:34:14 +00:00
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ImGui::SetNextWindowSizeConstraints(ImVec2(64.0f*dpiScale,32.0f*dpiScale),ImVec2(canvasW,canvasH));
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2022-04-11 08:34:38 +00:00
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if (settings.oscTakesEntireWindow) {
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ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding,ImVec2(0,0));
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ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing,ImVec2(0,0));
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ImGui::PushStyleVar(ImGuiStyleVar_ItemInnerSpacing,ImVec2(0,0));
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}
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2022-05-19 21:35:00 +00:00
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if (ImGui::Begin("Oscilloscope",&oscOpen,globalWinFlags)) {
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2022-04-09 10:02:24 +00:00
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if (oscZoomSlider) {
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if (ImGui::VSliderFloat("##OscZoom",ImVec2(20.0f*dpiScale,ImGui::GetContentRegionAvail().y),&oscZoom,0.5,2.0)) {
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if (oscZoom<0.5) oscZoom=0.5;
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if (oscZoom>2.0) oscZoom=2.0;
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2023-04-20 09:01:00 +00:00
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} rightClickable
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2022-05-31 03:22:53 +00:00
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if (ImGui::IsItemHovered()) {
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ImGui::SetTooltip("zoom: %.2fx (%.1fdB)",oscZoom,20.0*log10(oscZoom*2.0));
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}
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if (ImGui::IsItemClicked(ImGuiMouseButton_Middle)) {
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oscZoom=0.5;
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}
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2022-04-09 10:02:24 +00:00
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ImGui::SameLine();
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2022-05-31 02:40:07 +00:00
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if (ImGui::VSliderFloat("##OscWinSize",ImVec2(20.0f*dpiScale,ImGui::GetContentRegionAvail().y),&oscWindowSize,5.0,100.0)) {
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if (oscWindowSize<5.0) oscWindowSize=5.0;
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if (oscWindowSize>100.0) oscWindowSize=100.0;
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2023-04-20 09:01:00 +00:00
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} rightClickable
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2022-05-31 03:22:53 +00:00
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if (ImGui::IsItemHovered()) {
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ImGui::SetTooltip("window size: %.1fms",oscWindowSize);
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}
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2022-05-31 02:40:07 +00:00
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if (ImGui::IsItemClicked(ImGuiMouseButton_Middle)) {
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oscWindowSize=20.0;
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}
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ImGui::SameLine();
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2022-04-09 10:02:24 +00:00
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}
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ImDrawList* dl=ImGui::GetWindowDrawList();
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ImGuiWindow* window=ImGui::GetCurrentWindow();
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2023-08-05 07:52:02 +00:00
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ImVec2 waveform[1024];
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2022-04-09 10:02:24 +00:00
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ImVec2 size=ImGui::GetContentRegionAvail();
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ImVec2 minArea=window->DC.CursorPos;
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ImVec2 maxArea=ImVec2(
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minArea.x+size.x,
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minArea.y+size.y
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);
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ImRect rect=ImRect(minArea,maxArea);
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2022-04-09 23:25:25 +00:00
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ImRect inRect=rect;
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inRect.Min.x+=dpiScale;
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inRect.Min.y+=dpiScale;
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inRect.Max.x-=dpiScale;
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inRect.Max.y-=dpiScale;
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2022-04-09 10:02:24 +00:00
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ImGuiStyle& style=ImGui::GetStyle();
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ImU32 color=ImGui::GetColorU32(isClipping?uiColors[GUI_COLOR_OSC_WAVE_PEAK]:uiColors[GUI_COLOR_OSC_WAVE]);
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ImU32 borderColor=ImGui::GetColorU32(uiColors[GUI_COLOR_OSC_BORDER]);
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2022-04-09 23:25:25 +00:00
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ImU32 refColor=ImGui::GetColorU32(uiColors[GUI_COLOR_OSC_REF]);
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2022-04-12 05:17:34 +00:00
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ImU32 guideColor=ImGui::GetColorU32(uiColors[GUI_COLOR_OSC_GUIDE]);
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2022-04-09 10:02:24 +00:00
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ImGui::ItemSize(size,style.FramePadding.y);
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if (ImGui::ItemAdd(rect,ImGui::GetID("wsDisplay"))) {
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2022-05-24 08:30:27 +00:00
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dl->AddRectFilledMultiColor(
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inRect.Min,
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inRect.Max,
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ImGui::GetColorU32(uiColors[GUI_COLOR_OSC_BG1]),
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ImGui::GetColorU32(uiColors[GUI_COLOR_OSC_BG2]),
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ImGui::GetColorU32(uiColors[GUI_COLOR_OSC_BG4]),
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ImGui::GetColorU32(uiColors[GUI_COLOR_OSC_BG3]),
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settings.oscRoundedCorners?(8.0f*dpiScale):0.0f
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);
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2022-04-09 10:02:24 +00:00
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2022-04-09 23:25:25 +00:00
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dl->AddLine(
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ImLerp(rect.Min,rect.Max,ImVec2(0.0f,0.5f)),
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2022-04-12 05:17:34 +00:00
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ImLerp(rect.Min,rect.Max,ImVec2(1.0f,0.5f)),
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2022-04-09 23:25:25 +00:00
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refColor,
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dpiScale
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);
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2022-04-12 05:17:34 +00:00
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dl->AddLine(
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ImLerp(rect.Min,rect.Max,ImVec2(0.48f,0.125f)),
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ImLerp(rect.Min,rect.Max,ImVec2(0.52f,0.125f)),
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guideColor,
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dpiScale
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);
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dl->AddLine(
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ImLerp(rect.Min,rect.Max,ImVec2(0.47f,0.25f)),
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ImLerp(rect.Min,rect.Max,ImVec2(0.53f,0.25f)),
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guideColor,
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dpiScale
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);
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dl->AddLine(
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ImLerp(rect.Min,rect.Max,ImVec2(0.45f,0.375f)),
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ImLerp(rect.Min,rect.Max,ImVec2(0.55f,0.375f)),
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guideColor,
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dpiScale
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);
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dl->AddLine(
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ImLerp(rect.Min,rect.Max,ImVec2(0.45f,0.625f)),
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ImLerp(rect.Min,rect.Max,ImVec2(0.55f,0.625f)),
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guideColor,
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dpiScale
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);
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dl->AddLine(
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ImLerp(rect.Min,rect.Max,ImVec2(0.47f,0.75f)),
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ImLerp(rect.Min,rect.Max,ImVec2(0.53f,0.75f)),
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guideColor,
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dpiScale
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);
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dl->AddLine(
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ImLerp(rect.Min,rect.Max,ImVec2(0.48f,0.875f)),
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ImLerp(rect.Min,rect.Max,ImVec2(0.52f,0.875f)),
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guideColor,
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dpiScale
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);
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dl->AddLine(
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ImLerp(rect.Min,rect.Max,ImVec2(0.5f,0.08f)),
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ImLerp(rect.Min,rect.Max,ImVec2(0.5f,0.92f)),
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guideColor,
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dpiScale
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);
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2023-08-05 07:52:02 +00:00
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oscWidth=round(inRect.Max.x-inRect.Min.x);
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if (oscWidth<1) oscWidth=1;
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if (oscWidth>1024) oscWidth=1024;
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2023-08-05 08:26:36 +00:00
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ImDrawListFlags prevFlags=dl->Flags;
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if (!settings.oscAntiAlias) {
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dl->Flags&=~(ImDrawListFlags_AntiAliasedLines|ImDrawListFlags_AntiAliasedLinesUseTex);
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2022-04-09 10:02:24 +00:00
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}
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2023-08-05 08:26:36 +00:00
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if (settings.oscMono) {
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for (int i=0; i<oscWidth; i++) {
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float x=(float)i/(float)oscWidth;
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float avg=0;
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for (int j=0; j<e->getAudioDescGot().outChans; j++) {
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avg+=oscValues[j][i];
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}
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avg/=e->getAudioDescGot().outChans;
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float y=avg*oscZoom;
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if (!settings.oscEscapesBoundary) {
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if (y<-0.5f) y=-0.5f;
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if (y>0.5f) y=0.5f;
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}
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waveform[i]=ImLerp(inRect.Min,inRect.Max,ImVec2(x,0.5f-y));
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}
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if (settings.oscEscapesBoundary) {
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dl->PushClipRectFullScreen();
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dl->AddPolyline(waveform,oscWidth,color,ImDrawFlags_None,dpiScale);
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dl->PopClipRect();
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} else {
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dl->AddPolyline(waveform,oscWidth,color,ImDrawFlags_None,dpiScale);
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}
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2022-05-23 22:42:25 +00:00
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} else {
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2023-08-05 08:26:36 +00:00
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for (int ch=0; ch<e->getAudioDescGot().outChans; ch++) {
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for (int i=0; i<oscWidth; i++) {
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float x=(float)i/(float)oscWidth;
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float y=oscValues[ch][i]*oscZoom;
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if (!settings.oscEscapesBoundary) {
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if (y<-0.5f) y=-0.5f;
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if (y>0.5f) y=0.5f;
|
|
|
|
}
|
|
|
|
waveform[i]=ImLerp(inRect.Min,inRect.Max,ImVec2(x,0.5f-y));
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!isClipping) {
|
|
|
|
color=ImGui::GetColorU32(uiColors[GUI_COLOR_OSC_WAVE_CH0+ch]);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (settings.oscEscapesBoundary) {
|
|
|
|
dl->PushClipRectFullScreen();
|
|
|
|
dl->AddPolyline(waveform,oscWidth,color,ImDrawFlags_None,dpiScale);
|
|
|
|
dl->PopClipRect();
|
|
|
|
} else {
|
|
|
|
dl->AddPolyline(waveform,oscWidth,color,ImDrawFlags_None,dpiScale);
|
|
|
|
}
|
|
|
|
}
|
2022-05-23 22:42:25 +00:00
|
|
|
}
|
2023-08-05 08:26:36 +00:00
|
|
|
|
|
|
|
dl->Flags=prevFlags;
|
|
|
|
|
2022-04-11 08:34:38 +00:00
|
|
|
if (settings.oscBorder) {
|
|
|
|
dl->AddRect(inRect.Min,inRect.Max,borderColor,settings.oscRoundedCorners?(8.0f*dpiScale):0.0f,0,1.5f*dpiScale);
|
|
|
|
}
|
2022-04-09 10:02:24 +00:00
|
|
|
}
|
2022-05-31 03:22:53 +00:00
|
|
|
if (oscZoomSlider && ImGui::IsItemHovered()) {
|
|
|
|
float val=20.0*log10(2.0*fabs(0.5-((ImGui::GetMousePos().y-inRect.Min.y)/(inRect.Max.y-inRect.Min.y))));
|
|
|
|
if (val>0.0f) val=0.0f;
|
|
|
|
if (val<=-INFINITY) {
|
|
|
|
ImGui::SetTooltip("(-Infinity)dB");
|
|
|
|
} else {
|
|
|
|
ImGui::SetTooltip("%.1fdB",val);
|
|
|
|
}
|
|
|
|
}
|
2022-04-09 10:02:24 +00:00
|
|
|
if (ImGui::IsItemClicked(ImGuiMouseButton_Right)) {
|
|
|
|
oscZoomSlider=!oscZoomSlider;
|
|
|
|
}
|
2022-03-21 22:34:43 +00:00
|
|
|
}
|
2022-04-11 08:34:38 +00:00
|
|
|
if (settings.oscTakesEntireWindow) {
|
|
|
|
ImGui::PopStyleVar(3);
|
|
|
|
}
|
2022-03-21 22:34:43 +00:00
|
|
|
if (ImGui::IsWindowFocused(ImGuiFocusedFlags_ChildWindows)) curWindow=GUI_WINDOW_OSCILLOSCOPE;
|
|
|
|
ImGui::End();
|
2022-04-09 10:02:24 +00:00
|
|
|
}
|