Removed frametime_alpha and replace it with an overall alpha for text and frametime

src/overlay.cpp

@@ -1013,6 +1013,7 @@ void position_layer(struct overlay_params& params, ImVec2 window_size, unsigned
    ImGui::SetNextWindowSize(window_size, ImGuiCond_Always);
    ImGui::PushStyleVar(ImGuiStyleVar_WindowBorderSize, 0.0f);
    ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(8,-3));
+   ImGui::PushStyleVar(ImGuiStyleVar_Alpha, params.alpha);
 
    switch (params.position) {
    case LAYER_POSITION_TOP_LEFT:
@@ -1073,7 +1074,7 @@ void render_imgui(swapchain_stats& data, struct overlay_params& params, ImVec2&
             ImGui::TableNextCell();
             right_aligned_text(char_width * 4, "%i", gpu_info.temp);
             ImGui::SameLine(0, 1.0f);
-            ImGui::Text("°C");
+            ImGui::TextColored(ImVec4(1.0, 1.0, 1.0, 1.0), "°C");
          }
          if (params.enabled[OVERLAY_PARAM_ENABLED_gpu_core_clock]){
             ImGui::TableNextCell();
@@ -1291,7 +1292,7 @@ static void compute_swapchain_display(struct swapchain_data *data)
 
    position_layer(instance_data->params, data->window_size, data->width, data->height);
    render_imgui(data->sw_stats, instance_data->params, data->window_size, data->width, data->height);
-   ImGui::PopStyleVar(2);
+   ImGui::PopStyleVar(3);
 
    ImGui::EndFrame();
    ImGui::Render();

src/overlay_params.cpp

@@ -83,7 +83,7 @@ parse_background_alpha(const char *str)
 }
 
 static float
-parse_frametime_alpha(const char *str)
+parse_alpha(const char *str)
 {
    return strtof(str, NULL);
 }
@@ -310,7 +310,7 @@ parse_overlay_config(struct overlay_params *params,
    params->offset_x = 0;
    params->offset_y = 0;
    params->background_alpha = 0.5;
-   params->frametime_alpha = 1.0;
+   params->alpha = 1.0;
    params->time_format = "%T";
    params->gpu_color = strtol("2e9762", NULL, 16);
    params->cpu_color = strtol("2e97cb", NULL, 16);
@@ -368,7 +368,7 @@ parse_overlay_config(struct overlay_params *params,
    // Command buffer gets reused and timestamps cause hangs for some reason, force off for now
    params->enabled[OVERLAY_PARAM_ENABLED_gpu_timing] = false;
    // Convert from 0xRRGGBB to ImGui's format
-   std::array<unsigned *, 8> colors = {
+   std::array<unsigned *, 9> colors = {
       &params->crosshair_color,
       &params->cpu_color,
       &params->gpu_color,
@@ -377,6 +377,7 @@ parse_overlay_config(struct overlay_params *params,
       &params->engine_color,
       &params->io_color,
       &params->background_color,
+      &params->frametime_color,
    };
 
    for (auto color : colors){
@@ -387,12 +388,6 @@ parse_overlay_config(struct overlay_params *params,
                255);
       }
 
-      params->frametime_color =
-      IM_COL32(RGBGetRValue(params->frametime_color),
-               RGBGetGValue(params->frametime_color),
-               RGBGetBValue(params->frametime_color),
-               params->frametime_alpha * 255);
-
    params->tableCols = 3;
    
    if (!params->font_size) {

src/overlay_params.h

@@ -89,9 +89,9 @@ extern "C" {
    OVERLAY_PARAM_CUSTOM(ram_color)                   \
    OVERLAY_PARAM_CUSTOM(engine_color)                \
    OVERLAY_PARAM_CUSTOM(frametime_color)             \
-   OVERLAY_PARAM_CUSTOM(frametime_alpha)             \
    OVERLAY_PARAM_CUSTOM(background_color)            \
    OVERLAY_PARAM_CUSTOM(io_color)                    \
+   OVERLAY_PARAM_CUSTOM(alpha)                       \
    OVERLAY_PARAM_CUSTOM(help)
 
 enum overlay_param_position {
@@ -129,7 +129,7 @@ struct overlay_params {
    unsigned crosshair_color, cpu_color, gpu_color, vram_color, ram_color, engine_color, io_color, frametime_color, background_color;
    unsigned tableCols;
    float font_size;
-   float background_alpha, frametime_alpha;
+   float background_alpha, alpha;
    KeySym toggle_hud;
    KeySym toggle_logging;
    KeySym refresh_config;