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New MediaPlayer image with timeline

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Enable playing and seeking into a timeline on a media player that loaded an image. Timeline sets a duration (end) and is saved/loaded. Add a gstreamer imagefreeze element in the pipeline to simulate a playable stream. Distinction must be made between 'isImage' (what was loaded) and 'singleFrame' (what is in the pipeline). GUI is added and customized with menu and dialog.
This commit is contained in:
Bruno Herbelin
2023-08-10 00:46:48 +02:00
parent 1d329600af
commit 4efaa1f350
13 changed files with 299 additions and 105 deletions
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50
src/ImGuiToolkit.cpp
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@@ -204,24 +204,44 @@ void ImGuiToolkit::Icon(int i, int j, bool enabled)
ImGui::Image((void*)(intptr_t)textureicons, ImVec2(ImGui::GetTextLineHeightWithSpacing(), ImGui::GetTextLineHeightWithSpacing()), uv0, uv1, tint_color);
}
bool ImGuiToolkit::ButtonIcon(int i, int j, const char *tooltip)
bool ImGuiToolkit::ButtonIcon(int i, int j, const char *tooltip, bool expanded)
{
// icons.dds is a 20 x 20 grid of icons
if (textureicons == 0)
textureicons = Resource::getTextureDDS("images/icons.dds");
ImVec2 uv0( static_cast<float>(i) * 0.05, static_cast<float>(j) * 0.05 );
ImVec2 uv1( uv0.x + 0.05, uv0.y + 0.05 );
ImGui::PushID( i*20 + j);
ImGuiContext& g = *GImGui;
bool ret = ImGui::ImageButton((void*)(intptr_t)textureicons,
ImVec2(g.FontSize, g.FontSize),
uv0, uv1, g.Style.FramePadding.y);
ImGui::PopID();
bool ret = false;
if (tooltip != nullptr && ImGui::IsItemHovered())
ImGuiToolkit::ToolTip(tooltip);
if (expanded) {
// make some space
char space_buf[] = " ";
const ImVec2 space_size = ImGui::CalcTextSize(" ", NULL);
const int space_num = static_cast<int>( ceil(g.FontSize / space_size.x) );
space_buf[space_num]='\0';
char text_buf[256];
ImFormatString(text_buf, IM_ARRAYSIZE(text_buf), "%s %s", space_buf, tooltip);
ImVec2 draw_pos = ImGui::GetCursorScreenPos() + g.Style.FramePadding * 0.5;
ret = ImGui::Button(text_buf);
// overlay of icon on top of first item
_drawIcon(draw_pos, i, j);
}
else {
// icons.dds is a 20 x 20 grid of icons
if (textureicons == 0)
textureicons = Resource::getTextureDDS("images/icons.dds");
ImVec2 uv0( static_cast<float>(i) * 0.05, static_cast<float>(j) * 0.05 );
ImVec2 uv1( uv0.x + 0.05, uv0.y + 0.05 );
ImGui::PushID( i*20 + j);
ret = ImGui::ImageButton((void*)(intptr_t)textureicons,
ImVec2(g.FontSize, g.FontSize),
uv0, uv1, g.Style.FramePadding.y);
ImGui::PopID();
if (tooltip != nullptr && ImGui::IsItemHovered())
ImGuiToolkit::ToolTip(tooltip);
}
return ret;
}