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Add drop shadow to placefile text

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This commit is contained in:
Dan Paulat 2023-10-09 22:01:58 -05:00
parent cfa62d5fbc
commit 4916dfe85a
6 changed files with 68 additions and 20 deletions
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36
scwx-qt/source/scwx/qt/gl/draw/placefile_text.cpp
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@ -1,6 +1,7 @@
#include <scwx/qt/gl/draw/placefile_text.hpp>
#include <scwx/qt/manager/font_manager.hpp>
#include <scwx/qt/manager/placefile_manager.hpp>
#include <scwx/qt/settings/text_settings.hpp>
#include <scwx/qt/util/maplibre.hpp>
#include <scwx/qt/util/tooltip.hpp>
#include <scwx/util/logger.hpp>
@ -39,7 +40,6 @@ public:
const std::string& text,
const std::string& hoverText,
boost::gil::rgba8_pixel_t color,
std::size_t fontNumber,
float x,
float y);
@ -157,13 +157,36 @@ void PlacefileText::Impl::RenderTextDrawItem(
screenCoordinates.y * mapBearingCos_;
}
// Clamp font number to 0-8
std::size_t fontNumber = std::clamp<std::size_t>(di->fontNumber_, 0, 8);
// Set the font for the drop shadow and text
ImGui::PushFont(fonts_[fontNumber]->font());
if (settings::TextSettings::Instance()
.placefile_text_drop_shadow_enabled()
.GetValue())
{
// Draw a drop shadow 1 pixel to the lower right, in black, with the
// original transparency level
RenderText(params,
di->text_,
{},
boost::gil::rgba8_pixel_t {0, 0, 0, di->color_[3]},
rotatedX + di->x_ + halfWidth_ + 1.0f,
rotatedY + di->y_ + halfHeight_ - 1.0f);
}
// Draw the text
RenderText(params,
di->text_,
di->hoverText_,
di->color_,
std::clamp<std::size_t>(di->fontNumber_, 1, 8),
rotatedX + di->x_ + halfWidth_,
rotatedY + di->y_ + halfHeight_);
// Reset the font
ImGui::PopFont();
}
}
@ -172,7 +195,6 @@ void PlacefileText::Impl::RenderText(
const std::string& text,
const std::string& hoverText,
boost::gil::rgba8_pixel_t color,
std::size_t fontNumber,
float x,
float y)
{
@ -192,12 +214,10 @@ void PlacefileText::Impl::RenderText(
ImGuiWindowFlags_NoBackground);
// Render text
ImGui::PushFont(fonts_[fontNumber - 1]->font());
ImGui::PushStyleColor(ImGuiCol_Text,
IM_COL32(color[0], color[1], color[2], color[3]));
ImGui::TextUnformatted(text.c_str());
ImGui::PopStyleColor();
ImGui::PopFont();
// Store hover text for mouse picking pass
if (!hoverText.empty() && ImGui::IsItemHovered())
@ -248,10 +268,10 @@ void PlacefileText::SetFonts(
auto defaultFont = manager::FontManager::Instance().GetImGuiFont(
types::FontCategory::Default);
// Valid font numbers are from 1 to 8, place in 0-based font vector
for (std::size_t i = 1; i <= 8; ++i)
// Valid font numbers are from 1 to 8, use 0 for the default font
for (std::size_t i = 0; i <= 8; ++i)
{
auto it = fonts.find(i);
auto it = (i > 0) ? fonts.find(i) : fonts.cend();
if (it != fonts.cend())
{
p->newFonts_.push_back(it->second);