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https://github.com/brunoherbelin/vimix.git
synced 2025-12-11 18:34:58 +01:00
Timeline display in beat unit for synched to metronome
This commit is contained in:
Bruno Herbelin
242
ImGuiToolkit.cpp
242
ImGuiToolkit.cpp
@@ -584,7 +584,8 @@ bool ImGuiToolkit::SliderTiming (const char* label, uint* ms, uint v_min, uint v
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#define LARGE_TICK_INCREMENT 1
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#define LABEL_TICK_INCREMENT 3
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void ImGuiToolkit::RenderTimeline (ImGuiWindow* window, ImRect timeline_bbox, guint64 begin, guint64 end, guint64 step, bool verticalflip)
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void ImGuiToolkit::RenderTimeline (ImGuiWindow* window, ImRect timeline_bbox,
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guint64 begin, guint64 end, guint64 step, bool verticalflip)
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{
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static guint64 optimal_tick_marks[NUM_MARKS + LABEL_TICK_INCREMENT] = { 100 * MILISECOND, 500 * MILISECOND, 1 * SECOND, 2 * SECOND, 5 * SECOND, 10 * SECOND, 20 * SECOND, 1 * MINUTE, 2 * MINUTE, 5 * MINUTE, 10 * MINUTE, 60 * MINUTE, 60 * MINUTE };
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@@ -719,7 +720,151 @@ void ImGuiToolkit::RenderTimeline (ImGuiWindow* window, ImRect timeline_bbox, gu
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ImGui::PopStyleColor(1);
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}
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bool ImGuiToolkit::TimelineSlider (const char* label, guint64 *time, guint64 begin, guint64 first, guint64 end, guint64 step, const float width)
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void ImGuiToolkit::RenderTimelineBPM (ImGuiWindow* window, ImRect timeline_bbox, double tempo, double quantum,
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guint64 begin, guint64 end, guint64 step, bool verticalflip)
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{
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if (tempo<1.)
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return;
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const ImGuiContext& g = *GImGui;
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const ImGuiStyle& style = g.Style;
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const float fontsize = g.FontSize;
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const ImU32 text_color = ImGui::GetColorU32(ImGuiCol_Text);
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// keep duration
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const guint64 duration = end - begin;
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// by default, put a tick mark at every frame step
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guint64 tick_step = step;
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// how many pixels to represent one frame step?
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const float step_ = static_cast<float> ( static_cast<double>(tick_step) / static_cast<double>(duration) );
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// spacing between small tick marks for frames
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for (float tick_step_pixels = timeline_bbox.GetWidth() * step_; tick_step_pixels < 5.f; tick_step *= 2)
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{
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tick_step_pixels = timeline_bbox.GetWidth() * static_cast<float> ( static_cast<double>(tick_step) / static_cast<double>(duration) );
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}
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// by default, put large mark every beat and label every phase
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guint64 time_beat = GST_SECOND * (60.0 / tempo) ;
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guint64 large_tick_step = time_beat;
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// how many pixels to represent one beat?
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const float beat_ = static_cast<float> ( static_cast<double>(large_tick_step) / static_cast<double>(duration) );
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// spacing between small tick marks for frames
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for (float tick_beat_pixels = timeline_bbox.GetWidth() * beat_; tick_beat_pixels < 10.f; large_tick_step *= 2)
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{
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tick_beat_pixels = timeline_bbox.GetWidth() * static_cast<float> ( static_cast<double>(large_tick_step) / static_cast<double>(duration) );
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}
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guint64 label_tick_step = large_tick_step * (guint64) ceil(quantum);
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// render tics and text
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char text_buf[24];
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ImGuiToolkit::PushFont(ImGuiToolkit::FONT_BOLD);
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// render tick and text END
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ImFormatString(text_buf, IM_ARRAYSIZE(text_buf), "%s",
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GstToolkit::time_to_string(end, GstToolkit::TIME_STRING_MINIMAL).c_str());
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ImVec2 duration_label_size = ImGui::CalcTextSize(text_buf, NULL);
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ImVec2 duration_label_pos = timeline_bbox.GetTR() + ImVec2( -2.f -duration_label_size.x, fontsize);
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if (verticalflip)
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duration_label_pos.y -= fontsize;
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ImGui::RenderTextClipped( duration_label_pos, duration_label_pos + duration_label_size,
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text_buf, NULL, &duration_label_size);
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window->DrawList->AddLine( timeline_bbox.GetTR(), timeline_bbox.GetBR(), text_color, 1.5f);
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// render tick and text START
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ImFormatString(text_buf, IM_ARRAYSIZE(text_buf), "%s",
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GstToolkit::time_to_string(begin, GstToolkit::TIME_STRING_MINIMAL).c_str());
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ImVec2 beginning_label_size = ImGui::CalcTextSize(text_buf, NULL);
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ImVec2 beginning_label_pos = timeline_bbox.GetTL() + ImVec2(3.f, fontsize);
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if (verticalflip)
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beginning_label_pos.y -= fontsize;
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if ( beginning_label_pos.x + beginning_label_size.x < duration_label_pos . x) {
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ImGui::RenderTextClipped( beginning_label_pos, beginning_label_pos + beginning_label_size,
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text_buf, NULL, &beginning_label_size);
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}
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window->DrawList->AddLine( timeline_bbox.GetTL(), timeline_bbox.GetBL(), text_color, 1.5f);
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ImGui::PopFont();
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// render the tick marks along TIMELINE
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ImGui::PushStyleColor(ImGuiCol_Text, style.Colors[ImGuiCol_Text] -ImVec4(0.f,0.f,0.f,0.4f));
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ImVec2 pos = verticalflip ? timeline_bbox.GetBL() : timeline_bbox.GetTL();
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// SMALL ticks every step
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float tick_length = style.FramePadding.y;
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guint64 tick = 0;
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while ( tick < end )
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{
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// draw the tick mark each step
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window->DrawList->AddLine( pos, pos + ImVec2(0.f, verticalflip ? -tick_length : tick_length), text_color);
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// next tick
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tick += tick_step;
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float tick_percent = static_cast<float> ( static_cast<double>(tick-begin) / static_cast<double>(duration) );
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if (verticalflip)
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pos = ImLerp(timeline_bbox.GetBL(), timeline_bbox.GetBR(), tick_percent);
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else
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pos = ImLerp(timeline_bbox.GetTL(), timeline_bbox.GetTR(), tick_percent);
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}
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// LARGE tick marks every tempo
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pos = verticalflip ? timeline_bbox.GetBL() : timeline_bbox.GetTL();
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tick_length = fontsize - style.FramePadding.y;
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tick = 0;
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while ( tick < end )
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{
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// label tick mark
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if ( (tick%label_tick_step) < 1 )
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{
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// beat count label
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guint64 ticklabel = tick / time_beat;
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ImFormatString(text_buf, IM_ARRAYSIZE(text_buf), "%ld", ticklabel);
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ImVec2 label_size = ImGui::CalcTextSize(text_buf, NULL);
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ImVec2 mini = ImVec2( pos.x - label_size.x / 2.f, pos.y);
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ImVec2 maxi = ImVec2( pos.x + label_size.x / 2.f, pos.y);
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if (verticalflip) {
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mini.y -= tick_length + label_size.y;
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maxi.y -= tick_length;
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}
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else {
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mini.y += tick_length;
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maxi.y += tick_length + label_size.y;
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}
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// do not overlap with labels for beginning and duration
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if (mini.x - style.ItemSpacing.x > (beginning_label_pos.x + beginning_label_size.x) && maxi.x + style.ItemSpacing.x < duration_label_pos.x)
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ImGui::RenderTextClipped(mini, maxi, text_buf, NULL, &label_size);
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}
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// draw the tick mark each step
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window->DrawList->AddLine( pos, pos + ImVec2(0.f, verticalflip ? -tick_length : tick_length), text_color);
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// next tick
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tick += large_tick_step;
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float tick_percent = static_cast<float> ( static_cast<double>(tick-begin) / static_cast<double>(duration) );
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if (verticalflip)
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pos = ImLerp(timeline_bbox.GetBL(), timeline_bbox.GetBR(), tick_percent);
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else
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pos = ImLerp(timeline_bbox.GetTL(), timeline_bbox.GetTR(), tick_percent);
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}
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ImGui::PopStyleColor(1);
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}
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bool ImGuiToolkit::TimelineSlider (const char* label, guint64 *time, guint64 begin, guint64 first,
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guint64 end, guint64 step, const float width, double tempo, double quantum)
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{
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// get window
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ImGuiWindow* window = ImGui::GetCurrentWindow();
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@@ -788,7 +933,7 @@ bool ImGuiToolkit::TimelineSlider (const char* label, guint64 *time, guint64 beg
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&time_end, "%.2f", 1.f, ImGuiSliderFlags_None, &grab_slider_bb);
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if (value_changed){
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*time = static_cast<guint64> ( 0.1 * static_cast<double>(time_slider) * static_cast<double>(end - begin) );
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if (first != -1)
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if (first != GST_CLOCK_TIME_NONE)
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*time -= first;
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grab_slider_color = ImGui::GetColorU32(ImGuiCol_SliderGrabActive);
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}
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@@ -802,7 +947,10 @@ bool ImGuiToolkit::TimelineSlider (const char* label, guint64 *time, guint64 beg
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ImGui::RenderFrame(bbox.Min, bbox.Max, frame_col, true, style.FrameRounding);
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// render the timeline
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RenderTimeline(window, timeline_bbox, begin, end, step);
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if (tempo > 0 && quantum > 0)
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RenderTimelineBPM(window, timeline_bbox, tempo, quantum, begin, end, step);
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else
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RenderTimeline(window, timeline_bbox, begin, end, step);
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// draw slider grab handle
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if (grab_slider_bb.Max.x > grab_slider_bb.Min.x) {
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@@ -817,59 +965,59 @@ bool ImGuiToolkit::TimelineSlider (const char* label, guint64 *time, guint64 beg
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}
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void ImGuiToolkit::Timeline (const char* label, guint64 time, guint64 begin, guint64 end, guint64 step, const float width)
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{
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// get window
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ImGuiWindow* window = ImGui::GetCurrentWindow();
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if (window->SkipItems)
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return;
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//void ImGuiToolkit::Timeline (const char* label, guint64 time, guint64 begin, guint64 end, guint64 step, const float width)
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//{
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// // get window
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// ImGuiWindow* window = ImGui::GetCurrentWindow();
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// if (window->SkipItems)
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// return;
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// get style & id
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const ImGuiContext& g = *GImGui;
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const ImGuiStyle& style = g.Style;
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const float fontsize = g.FontSize;
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const ImGuiID id = window->GetID(label);
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// // get style & id
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// const ImGuiContext& g = *GImGui;
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// const ImGuiStyle& style = g.Style;
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// const float fontsize = g.FontSize;
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// const ImGuiID id = window->GetID(label);
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//
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// FIRST PREPARE ALL data structures
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//
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// //
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// // FIRST PREPARE ALL data structures
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// //
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// widget bounding box
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const float height = 2.f * (fontsize + style.FramePadding.y);
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ImVec2 pos = window->DC.CursorPos;
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ImVec2 size = ImVec2(width, height);
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ImRect bbox(pos, pos + size);
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ImGui::ItemSize(size, style.FramePadding.y);
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if (!ImGui::ItemAdd(bbox, id))
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return;
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// // widget bounding box
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// const float height = 2.f * (fontsize + style.FramePadding.y);
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// ImVec2 pos = window->DC.CursorPos;
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// ImVec2 size = ImVec2(width, height);
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// ImRect bbox(pos, pos + size);
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// ImGui::ItemSize(size, style.FramePadding.y);
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// if (!ImGui::ItemAdd(bbox, id))
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// return;
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// cursor size
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const float cursor_width = 0.5f * fontsize;
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// // cursor size
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// const float cursor_width = 0.5f * fontsize;
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// TIMELINE is inside the bbox, in a slightly smaller bounding box
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ImRect timeline_bbox(bbox);
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timeline_bbox.Expand( ImVec2() - style.FramePadding );
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// // TIMELINE is inside the bbox, in a slightly smaller bounding box
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// ImRect timeline_bbox(bbox);
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// timeline_bbox.Expand( ImVec2() - style.FramePadding );
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// units conversion: from time to float (calculation made with higher precision first)
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guint64 duration = end - begin;
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float time_ = static_cast<float> ( static_cast<double>(time - begin) / static_cast<double>(duration) );
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// // units conversion: from time to float (calculation made with higher precision first)
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// guint64 duration = end - begin;
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// float time_ = static_cast<float> ( static_cast<double>(time - begin) / static_cast<double>(duration) );
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//
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// THIRD RENDER
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//
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// //
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// // THIRD RENDER
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// //
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// Render the bounding box
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ImGui::RenderFrame(bbox.Min, bbox.Max, ImGui::GetColorU32(ImGuiCol_FrameBg), true, style.FrameRounding);
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// // Render the bounding box
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// ImGui::RenderFrame(bbox.Min, bbox.Max, ImGui::GetColorU32(ImGuiCol_FrameBg), true, style.FrameRounding);
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// render the timeline
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RenderTimeline(window, timeline_bbox, begin, end, step);
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// // render the timeline
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// RenderTimeline(window, timeline_bbox, begin, end, step);
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// draw the cursor
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if ( time_ > -FLT_EPSILON && time_ < 1.f ) {
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pos = ImLerp(timeline_bbox.GetTL(), timeline_bbox.GetTR(), time_) - ImVec2(cursor_width, 2.f);
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ImGui::RenderArrow(window->DrawList, pos, ImGui::GetColorU32(ImGuiCol_SliderGrab), ImGuiDir_Up);
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}
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}
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// // draw the cursor
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// if ( time_ > -FLT_EPSILON && time_ < 1.f ) {
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// pos = ImLerp(timeline_bbox.GetTL(), timeline_bbox.GetTR(), time_) - ImVec2(cursor_width, 2.f);
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// ImGui::RenderArrow(window->DrawList, pos, ImGui::GetColorU32(ImGuiCol_SliderGrab), ImGuiDir_Up);
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// }
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//}
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bool ImGuiToolkit::InvisibleSliderInt (const char* label, uint *index, uint min, uint max, ImVec2 size)
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{
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