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GUI: implement sample draw

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This commit is contained in:
tildearrow 2022-03-20 18:25:48 -05:00
parent 1941ca3616
commit b04e1f2870
4 changed files with 71 additions and 7 deletions
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30
src/gui/sampleEdit.cpp
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@ -320,7 +320,11 @@ void FurnaceGUI::drawSampleEdit() {
if (xCoarse>=sample->samples) break;
int y1, y2;
int totalAdvance=0;
y1=((unsigned short)sample->data16[xCoarse]^0x8000)*availY/65536;
if (sample->depth==8) {
y1=((unsigned char)sample->data8[xCoarse]^0x80)*availY/256;
} else {
y1=((unsigned short)sample->data16[xCoarse]^0x8000)*availY/65536;
}
xFine+=xAdvanceFine;
if (xFine>=16777216) {
xFine-=16777216;
@ -329,14 +333,22 @@ void FurnaceGUI::drawSampleEdit() {
totalAdvance+=xAdvanceCoarse;
if (xCoarse>=sample->samples) break;
do {
y2=((unsigned short)sample->data16[xCoarse]^0x8000)*availY/65536;
if (sample->depth==8) {
y2=((unsigned char)sample->data8[xCoarse]^0x80)*availY/256;
} else {
y2=((unsigned short)sample->data16[xCoarse]^0x8000)*availY/65536;
}
if (y1>y2) {
y2^=y1;
y1^=y2;
y2^=y1;
}
if (y1<0) y1=0;
if (y1>=availY) y1=availY-1;
if (y2<0) y2=0;
if (y2>=availY) y2=availY-1;
for (int j=y1; j<=y2; j++) {
data[i+availX*j]=lineColor;
data[i+availX*(availY-j-1)]=lineColor;
}
if (totalAdvance>0) xCoarse++;
} while ((totalAdvance--)>0);
@ -348,7 +360,17 @@ void FurnaceGUI::drawSampleEdit() {
ImGui::ImageButton(sampleTex,avail,ImVec2(0,0),ImVec2(1,1),0);
if (ImGui::IsItemClicked()) {
logD("drawing\n");
if (sample->samples>0 && (sample->depth==16 || sample->depth==8)) {
sampleDragStart=ImGui::GetItemRectMin();
sampleDragAreaSize=ImGui::GetItemRectSize();
sampleDrag16=(sample->depth==16);
sampleDragTarget=(sample->depth==16)?((void*)sample->data16):((void*)sample->data8);
sampleDragLen=sample->samples;
sampleDragActive=true;
sampleSelStart=-1;
sampleSelEnd=-1;
processDrags(ImGui::GetMousePos().x,ImGui::GetMousePos().y);
}
}
String statusBar=sampleDragMode?"Draw":"Select";