otomatalabs/furnace
8
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

GUI: display C64/AY/SAA wave macros differently

Browse source 
hopefully better
This commit is contained in:
tildearrow 2022-01-21 01:56:30 -05:00
parent e06911258e
commit 9307a14a1d
4 changed files with 199 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

122
src/gui/plot_nolerp.cpp
View file

@ -1,4 +1,5 @@
#include "plot_nolerp.h"
#include "imgui.h"
#ifndef IMGUI_DEFINE_MATH_OPERATORS
#define IMGUI_DEFINE_MATH_OPERATORS
#endif
@ -19,6 +20,21 @@ static float Plot_ArrayGetter(void* data, int idx)
return v;
}
struct FurnacePlotIntArrayGetterData
{
const int* Values;
int Stride;
FurnacePlotIntArrayGetterData(const int* values, int stride) { Values = values; Stride = stride; }
};
static int Plot_IntArrayGetter(void* data, int idx)
{
FurnacePlotIntArrayGetterData* plot_data = (FurnacePlotIntArrayGetterData*)data;
const int v = *(const int*)(const void*)((const unsigned char*)plot_data->Values + (size_t)idx * plot_data->Stride);
return v;
}
int PlotNoLerpEx(ImGuiPlotType plot_type, const char* label, float (*values_getter)(void* data, int idx), void* data, int values_count, int values_offset, const char* overlay_text, float scale_min, float scale_max, ImVec2 frame_size)
{
ImGuiContext& g = *GImGui;
@ -145,3 +161,109 @@ void PlotNoLerp(const char* label, const float* values, int values_count, int va
FurnacePlotArrayGetterData data(values, stride);
PlotNoLerpEx(ImGuiPlotType_Lines, label, &Plot_ArrayGetter, (void*)&data, values_count, values_offset, overlay_text, scale_min, scale_max, graph_size);
}
int PlotBitfieldEx(const char* label, int (*values_getter)(void* data, int idx), void* data, int values_count, int values_offset, const char** overlay_text, int bits, ImVec2 frame_size)
{
ImGuiContext& g = *GImGui;
ImGuiWindow* window = ImGui::GetCurrentWindow();
if (window->SkipItems)
return -1;
const ImGuiStyle& style = g.Style;
const ImGuiID id = window->GetID(label);
const ImVec2 label_size = ImGui::CalcTextSize(label, NULL, true);
if (frame_size.x == 0.0f)
frame_size.x = ImGui::CalcItemWidth();
if (frame_size.y == 0.0f)
frame_size.y = label_size.y + (style.FramePadding.y * 2);
const ImRect frame_bb(window->DC.CursorPos, window->DC.CursorPos + frame_size);
const ImRect inner_bb(frame_bb.Min + style.FramePadding, frame_bb.Max - style.FramePadding);
const ImRect total_bb(frame_bb.Min, frame_bb.Max + ImVec2(label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f, 0));
ImGui::ItemSize(total_bb, style.FramePadding.y);
if (!ImGui::ItemAdd(total_bb, 0, &frame_bb))
return -1;
const bool hovered = ImGui::ItemHoverable(frame_bb, id);
ImGui::RenderFrame(frame_bb.Min, frame_bb.Max, ImGui::GetColorU32(ImGuiCol_FrameBg), true, style.FrameRounding);
const int values_count_min = 1;
int idx_hovered = -1;
if (values_count >= values_count_min)
{
int res_w = ImMin((int)frame_size.x, values_count);
int item_count = values_count;
// Tooltip on hover
if (hovered && inner_bb.Contains(g.IO.MousePos))
{
const float t = ImClamp((g.IO.MousePos.x - inner_bb.Min.x) / (inner_bb.Max.x - inner_bb.Min.x), 0.0f, 0.9999f);
const int v_idx = (int)(t * item_count);
IM_ASSERT(v_idx >= 0 && v_idx < values_count);
//const float v0 = values_getter(data, (v_idx + values_offset) % values_count);
//ImGui::SetTooltip("%d: %8.4g", v_idx, v0);
idx_hovered = v_idx;
}
const float t_step = 1.0f / (float)res_w;
float t0 = 0.0f;
ImVec2 tp0 = ImVec2( t0, 0.0f ); // Point in the normalized space of our target rectangle
const ImU32 col_base = ImGui::GetColorU32(ImGuiCol_PlotHistogram);
const ImU32 col_hovered = ImGui::GetColorU32(ImGuiCol_PlotHistogramHovered);
for (int n = 0; n < res_w; n++)
{
const float t1 = t0 + t_step;
const int v1_idx = (int)(t0 * item_count + 0.5f);
IM_ASSERT(v1_idx >= 0 && v1_idx < values_count);
const int v1 = values_getter(data, (v1_idx + values_offset) % values_count);
ImVec2 tp1 = ImVec2( t1, 0.0f );
for (int o = 0; o < bits; o++) {
tp0.y=float(bits-o)/float(bits);
tp1.y=float(bits-o-1)/float(bits);
// NB: Draw calls are merged together by the DrawList system. Still, we should render our batch are lower level to save a bit of CPU.
ImVec2 pos0 = ImLerp(inner_bb.Min, inner_bb.Max, tp0);
ImVec2 pos1 = ImLerp(inner_bb.Min, inner_bb.Max, tp1);
if (pos1.x >= pos0.x + 2.0f)
pos1.x -= 1.0f;
if (pos1.y <= pos0.y - 2.0f)
pos1.y += 1.0f;
if (v1&(1<<o)) {
window->DrawList->AddRectFilled(pos0, pos1, idx_hovered == v1_idx ? col_hovered : col_base);
}
}
tp0 = tp1;
t0 = t1;
}
}
// Text overlay
if (overlay_text) {
float lineHeight=ImGui::GetTextLineHeight()/2.0;
for (int i=0; i<bits && overlay_text[i]; i++) {
ImGui::PushStyleColor(ImGuiCol_Text,ImVec4(0,0,0,1.0f));
ImGui::RenderTextClipped(ImVec2(frame_bb.Min.x-1, frame_bb.Min.y-lineHeight-1), ImVec2(frame_bb.Max.x-1,frame_bb.Max.y+lineHeight-1), overlay_text[i], NULL, NULL, ImVec2(0.0f, (0.5+double(bits-1-i))/double(bits)));
ImGui::RenderTextClipped(ImVec2(frame_bb.Min.x-1, frame_bb.Min.y-lineHeight+1), ImVec2(frame_bb.Max.x-1,frame_bb.Max.y+lineHeight+1), overlay_text[i], NULL, NULL, ImVec2(0.0f, (0.5+double(bits-1-i))/double(bits)));
ImGui::RenderTextClipped(ImVec2(frame_bb.Min.x+1, frame_bb.Min.y-lineHeight-1), ImVec2(frame_bb.Max.x+1,frame_bb.Max.y+lineHeight-1), overlay_text[i], NULL, NULL, ImVec2(0.0f, (0.5+double(bits-1-i))/double(bits)));
ImGui::RenderTextClipped(ImVec2(frame_bb.Min.x+1, frame_bb.Min.y-lineHeight+1), ImVec2(frame_bb.Max.x+1,frame_bb.Max.y+lineHeight+1), overlay_text[i], NULL, NULL, ImVec2(0.0f, (0.5+double(bits-1-i))/double(bits)));
ImGui::PopStyleColor();
ImGui::RenderTextClipped(ImVec2(frame_bb.Min.x, frame_bb.Min.y-lineHeight), ImVec2(frame_bb.Max.x,frame_bb.Max.y+lineHeight), overlay_text[i], NULL, NULL, ImVec2(0.0f, (0.5+double(bits-1-i))/double(bits)));
}
}
if (label_size.x > 0.0f)
ImGui::RenderText(ImVec2(frame_bb.Max.x + style.ItemInnerSpacing.x, inner_bb.Min.y), label);
// Return hovered index or -1 if none are hovered.
// This is currently not exposed in the public API because we need a larger redesign of the whole thing, but in the short-term we are making it available in PlotEx().
return idx_hovered;
}
void PlotBitfield(const char* label, const int* values, int values_count, int values_offset, const char** overlay_text, int bits, ImVec2 graph_size, int stride)
{
FurnacePlotIntArrayGetterData data(values, stride);
PlotBitfieldEx(label, &Plot_IntArrayGetter, (void*)&data, values_count, values_offset, overlay_text, bits, graph_size);
}