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gui: dopesheet / keyframe management
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,150 @@ | ||
| #pragma once | ||
| #include "imgui_internal.h" | ||
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| namespace { | ||
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| inline void | ||
| dt_draw_quad(float u, float v, float size, uint32_t col) | ||
| { | ||
| float c[] = { | ||
| 0, 1, 1, 0, | ||
| 0, -1, -1, 0}; | ||
| float x[20]; | ||
| for(int i=0;i<4;i++) | ||
| { | ||
| x[2*i+0] = u + size * c[2*i+0]; | ||
| x[2*i+1] = v + size * c[2*i+1]; | ||
| } | ||
| ImGui::GetWindowDrawList()->AddConvexPolyFilled((ImVec2 *)x, 4, col); | ||
| ImGui::GetWindowDrawList()->AddPolyline( (ImVec2 *)x, 4, 0xff000000, true, .1*size); | ||
| } | ||
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| inline int screen_to_frame(float sx, dt_graph_t *g, ImRect bb) | ||
| { | ||
| return CLAMP((int)((sx - bb.Min[0])/(bb.Max[0]-bb.Min[0]) * g->frame_cnt + 0.5), 0, g->frame_cnt-1); | ||
| } | ||
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| inline float frame_to_screen(int f, dt_graph_t *g, ImRect bb) | ||
| { | ||
| return CLAMP(bb.Min[0] + (bb.Max[0]-bb.Min[0]) * f / (float)g->frame_cnt, bb.Min[0], bb.Max[0]); | ||
| } | ||
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| inline float | ||
| dt_draw_param_line( | ||
| dt_module_t *mod, | ||
| int p) | ||
| { | ||
| ImGuiWindow* window = ImGui::GetCurrentWindow(); | ||
| if (window->SkipItems) return 0.0f; | ||
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| ImGui::PushID(p + 200*(mod-mod->graph->module)); | ||
| const ImGuiID id = window->GetID("#image"); | ||
| ImGui::PopID(); | ||
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| int win_w = vkdt.state.center_wd; | ||
| int ht = vkdt.wstate.fontsize; // line height = font_size + 2*FramePadding.y ? | ||
| const ImVec2 cp = ImVec2((int)window->DC.CursorPos[0], (int)window->DC.CursorPos[1]); | ||
| const ImRect bb(ImVec2(cp[0]+(int)(0.12*win_w), cp[1]), ImVec2(cp[0] + win_w, cp[1] + ht)); | ||
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| static int drag_k = -1, drag_mod = -1; | ||
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| int have_keys = 0; | ||
| for(int k=0;k<mod->keyframe_cnt;k++) | ||
| { | ||
| if(mod->keyframe[k].param == mod->so->param[p]->name) | ||
| { | ||
| if(!have_keys) | ||
| { | ||
| ImGui::ItemSize(bb); | ||
| if (!ImGui::ItemAdd(bb, id)) return 0.0f; | ||
| if(ImGui::IsItemClicked(0)) | ||
| { // left click: move animation time | ||
| // TODO: api functions! create/delete keyframe, set animation time | ||
| vkdt.graph_dev.frame = vkdt.state.anim_frame = screen_to_frame(ImGui::GetMousePos().x, mod->graph, bb); | ||
| vkdt.state.anim_no_keyframes = 0; // (re-)enable keyframes | ||
| dt_graph_apply_keyframes(&vkdt.graph_dev); // rerun once | ||
| vkdt.graph_dev.runflags = s_graph_run_record_cmd_buf | s_graph_run_wait_done; | ||
| } | ||
| ImGui::SameLine(); | ||
| char text[60]; | ||
| window->DrawList->AddRectFilled(bb.Min, bb.Max, ImGui::GetColorU32(ImGuiCol_Button)); | ||
| int len = snprintf(text, sizeof(text), "%" PRItkn " %" PRItkn " %" PRItkn, dt_token_str(mod->name), dt_token_str(mod->inst), dt_token_str(mod->so->param[p]->name)); | ||
| window->DrawList->AddText(cp, ImGui::GetColorU32(ImGuiCol_Text), text, text+len); | ||
| have_keys = 1; | ||
| } | ||
| float x = frame_to_screen(mod->keyframe[k].frame, mod->graph, bb); | ||
| float y = (bb.Min[1]+bb.Max[1])/2.0; | ||
| dt_draw_quad(x, y, ht/2.0, ImGui::GetColorU32(ImGuiCol_PlotHistogram)); | ||
| const ImRect bbk(ImVec2(x-ht/2.0, y-ht/2.0), ImVec2(x+ht/2.0, y+ht/2.0)); | ||
| ImGui::ItemSize(bbk); | ||
| ImGui::PushID(k + 30*p + 1000*(mod-mod->graph->module)); | ||
| const ImGuiID idk = window->GetID("#image"); | ||
| ImGui::PopID(); | ||
| if (!ImGui::ItemAdd(bbk, idk)) continue; | ||
| if(ImGui::IsItemHovered()) | ||
| { // TODO: make this at least respect length (mod->so->param[p]->{type, cnt} | ||
| dt_gui_set_tooltip("%" PRItkn " %f\nright click to delete\nleft click and drag to move", | ||
| dt_token_str(mod->so->param[p]->name), *((float*)mod->keyframe[k].data)); | ||
| } | ||
| if(ImGui::IsItemClicked(0)) | ||
| { // set state: dragging keyframe k | ||
| drag_k = k; | ||
| drag_mod = mod-mod->graph->module; | ||
| } | ||
| if(ImGui::IsKeyReleased(ImGuiKey_MouseLeft) && drag_k == k && drag_mod == mod-mod->graph->module) | ||
| { // drag finished | ||
| mod->keyframe[k].frame = screen_to_frame(ImGui::GetMousePos().x, mod->graph, bb); | ||
| drag_k = drag_mod = -1; | ||
| } | ||
| if(ImGui::IsItemClicked(1)) | ||
| { // right click: delete this keyframe by copying the last one over it and decreasing keyframe_cnt | ||
| mod->keyframe[k--] = mod->keyframe[--mod->keyframe_cnt]; | ||
| } | ||
| ImGui::SameLine(); | ||
| } | ||
| } | ||
| if(have_keys) | ||
| { | ||
| const float x[4] = { | ||
| frame_to_screen(mod->graph->frame, mod->graph, bb), bb.Min[1], | ||
| frame_to_screen(mod->graph->frame, mod->graph, bb), bb.Max[1] }; | ||
| ImGui::GetWindowDrawList()->AddPolyline((ImVec2 *)x, 2, 0xff000000, false, .1*ht); | ||
| ImGui::NewLine(); | ||
| return ht; | ||
| } | ||
| return 0.0f; | ||
| } | ||
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| inline float | ||
| dt_dopesheet_module(dt_graph_t *g, uint32_t modid) | ||
| { // draw all parameters of a module | ||
| dt_module_t *mod = g->module + modid; | ||
| if(mod->keyframe_cnt == 0) return 0.0f; // no keyframes to draw | ||
| float size = 0.0f; | ||
| for(int p=0;p<mod->so->num_params;p++) | ||
| size += dt_draw_param_line(mod, p); | ||
| return size; | ||
| } | ||
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| } // end anonymous namespace | ||
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| inline void | ||
| dt_dopesheet() | ||
| { // draw all modules connected on the graph in same order as right panel in darkroom mode | ||
| dt_graph_t *graph = &vkdt.graph_dev; | ||
| dt_module_t *const arr = graph->module; | ||
| const int arr_cnt = graph->num_modules; | ||
| uint32_t modid[100], cnt = 0; | ||
| #define TRAVERSE_POST \ | ||
| assert(cnt < sizeof(modid)/sizeof(modid[0]));\ | ||
| modid[cnt++] = curr; | ||
| #include "pipe/graph-traverse.inc" | ||
| float size = 0.0; | ||
| for(int m=cnt-1;m>=0;m--) | ||
| size += dt_dopesheet_module(graph, modid[m]); | ||
| // this is unfortunately not reliable since we skip drawing and everything | ||
| // in case a line cannot be seen on screen. | ||
| // vkdt.wstate.dopesheet_view = MIN(0.5*vkdt.state.center_ht, size); | ||
| (void)size; | ||
| vkdt.wstate.dopesheet_view = 0.2*vkdt.state.center_ht; // fixed size | ||
| } |
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