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Demo: custom rendering example uses AddRectFilledMultiColor()

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ocornut 2015-07-12 10:52:20 -06:00
parent 6520b6c458
commit 4565bf9813
1 changed files with 2 additions and 1 deletions
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imgui.cpp
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@ -12272,7 +12272,8 @@ static void ShowExampleAppCustomRendering(bool* opened)
// If you only use the ImDrawList API, you can notify the owner window of its extends by using SetCursorPos(max). // If you only use the ImDrawList API, you can notify the owner window of its extends by using SetCursorPos(max).
ImVec2 canvas_pos = ImGui::GetCursorScreenPos(); // ImDrawList API uses screen coordinates! ImVec2 canvas_pos = ImGui::GetCursorScreenPos(); // ImDrawList API uses screen coordinates!
ImVec2 canvas_size = ImVec2(ImMax(50.0f,ImGui::GetWindowContentRegionMax().x-ImGui::GetCursorPos().x), ImMax(50.0f,ImGui::GetWindowContentRegionMax().y-ImGui::GetCursorPos().y)); // Resize canvas what's available ImVec2 canvas_size = ImVec2(ImMax(50.0f,ImGui::GetWindowContentRegionMax().x-ImGui::GetCursorPos().x), ImMax(50.0f,ImGui::GetWindowContentRegionMax().y-ImGui::GetCursorPos().y)); // Resize canvas what's available
draw_list->AddRect(canvas_pos, ImVec2(canvas_pos.x + canvas_size.x, canvas_pos.y + canvas_size.y), 0xFFFFFFFF); draw_list->AddRectFilledMultiColor(canvas_pos, ImVec2(canvas_pos.x + canvas_size.x, canvas_pos.y + canvas_size.y), ImColor(0,0,0), ImColor(255,0,0), ImColor(255,255,0), ImColor(0,255,0));
draw_list->AddRect(canvas_pos, ImVec2(canvas_pos.x + canvas_size.x, canvas_pos.y + canvas_size.y), ImColor(255,255,255));
bool adding_preview = false; bool adding_preview = false;
ImGui::InvisibleButton("canvas", canvas_size); ImGui::InvisibleButton("canvas", canvas_size);
if (ImGui::IsItemHovered()) if (ImGui::IsItemHovered())