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MapLibreParticleLab/test/text/quads.test.cpp

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#include <mbgl/geometry/anchor.hpp>
#include <mbgl/style/image_impl.hpp>
#include <mbgl/test/util.hpp>
#include <mbgl/text/quads.hpp>
#include <mbgl/text/shaping.hpp>
#include <mbgl/text/glyph.hpp>
#include <mbgl/style/layers/symbol_layer_properties.hpp>
using namespace mbgl;
using namespace mbgl::style;
TEST(getIconQuads, normal) {
SymbolLayoutProperties::Evaluated layout;
Anchor anchor(2.0, 3.0, 0.0, 0.5f, 0);
ImagePosition image = {
mapbox::Bin(-1, 15, 11, 0, 0, 0, 0),
style::Image::Impl("test", PremultipliedImage({1,1}), 1.0)
};
auto shapedIcon = PositionedIcon::shapeIcon(image, {{ -6.5f, -4.5f }}, SymbolAnchorType::Center, 0);
GeometryCoordinates line;
Shaping shapedText;
SymbolQuad quad =
getIconQuad(shapedIcon, layout, 16.0f, shapedText);
EXPECT_EQ(quad.tl.x, -14);
EXPECT_EQ(quad.tl.y, -10);
EXPECT_EQ(quad.tr.x, 1);
EXPECT_EQ(quad.tr.y, -10);
EXPECT_EQ(quad.bl.x, -14);
EXPECT_EQ(quad.bl.y, 1);
EXPECT_EQ(quad.br.x, 1);
EXPECT_EQ(quad.br.y, 1);
}
TEST(getIconQuads, style) {
Anchor anchor(0.0, 0.0, 0.0, 0.5f, 0);
ImagePosition image = {
mapbox::Bin(-1, 20, 20, 0, 0, 0, 0),
style::Image::Impl("test", PremultipliedImage({1,1}), 1.0)
};
auto shapedIcon = PositionedIcon::shapeIcon(image, {{ -9.5f, -9.5f }}, SymbolAnchorType::Center, 0);
GeometryCoordinates line;
Shaping shapedText;
shapedText.top = -10.0f;
shapedText.bottom = 30.0f;
shapedText.left = -60.0f;
shapedText.right = 20.0f;
shapedText.positionedGlyphs.emplace_back(PositionedGlyph(32, 0.0f, 0.0f, false, 0, 1.0));
// none
{
SymbolLayoutProperties::Evaluated layout;
SymbolQuad quad =
getIconQuad(shapedIcon, layout, 12.0f, shapedText);
EXPECT_EQ(quad.tl.x, -19.5);
EXPECT_EQ(quad.tl.y, -19.5);
EXPECT_EQ(quad.tr.x, 0.5);
EXPECT_EQ(quad.tr.y, -19.5);
EXPECT_EQ(quad.bl.x, -19.5);
EXPECT_EQ(quad.bl.y, 0.5);
EXPECT_EQ(quad.br.x, 0.5);
EXPECT_EQ(quad.br.y, 0.5);
}
// width
{
SymbolLayoutProperties::Evaluated layout;
layout.get<TextSize>() = 24.0f;
layout.get<IconTextFit>() = IconTextFitType::Width;
SymbolQuad quad =
getIconQuad(shapedIcon, layout, 24.0f, shapedText);
EXPECT_EQ(quad.tl.x, -60);
EXPECT_EQ(quad.tl.y, 0);
EXPECT_EQ(quad.tr.x, 20);
EXPECT_EQ(quad.tr.y, 0);
EXPECT_EQ(quad.bl.x, -60);
EXPECT_EQ(quad.bl.y, 20);
EXPECT_EQ(quad.br.x, 20);
EXPECT_EQ(quad.br.y, 20);
}
// width x textSize
{
SymbolLayoutProperties::Evaluated layout;
layout.get<TextSize>() = 12.0f;
layout.get<IconTextFit>() = IconTextFitType::Width;
SymbolQuad quad =
getIconQuad(shapedIcon, layout, 12.0f, shapedText);
EXPECT_EQ(quad.tl.x, -30);
EXPECT_EQ(quad.tl.y, -5);
EXPECT_EQ(quad.tr.x, 10);
EXPECT_EQ(quad.tr.y, -5);
EXPECT_EQ(quad.bl.x, -30);
EXPECT_EQ(quad.bl.y, 15);
EXPECT_EQ(quad.br.x, 10);
EXPECT_EQ(quad.br.y, 15);
}
// width x textSize + padding
{
SymbolLayoutProperties::Evaluated layout;
layout.get<TextSize>() = 12.0f;
layout.get<IconTextFit>() = IconTextFitType::Width;
layout.get<IconTextFitPadding>()[0] = 5.0f;
layout.get<IconTextFitPadding>()[1] = 10.0f;
layout.get<IconTextFitPadding>()[2] = 5.0f;
layout.get<IconTextFitPadding>()[3] = 10.0f;
SymbolQuad quad =
getIconQuad(shapedIcon, layout, 12.0f, shapedText);
EXPECT_EQ(quad.tl.x, -40);
EXPECT_EQ(quad.tl.y, -10);
EXPECT_EQ(quad.tr.x, 20);
EXPECT_EQ(quad.tr.y, -10);
EXPECT_EQ(quad.bl.x, -40);
EXPECT_EQ(quad.bl.y, 20);
EXPECT_EQ(quad.br.x, 20);
EXPECT_EQ(quad.br.y, 20);
}
// height
{
SymbolLayoutProperties::Evaluated layout;
layout.get<TextSize>() = 24.0f;
layout.get<IconTextFit>() = IconTextFitType::Height;
SymbolQuad quad =
getIconQuad(shapedIcon, layout, 24.0f, shapedText);
EXPECT_EQ(quad.tl.x, -30);
EXPECT_EQ(quad.tl.y, -10);
EXPECT_EQ(quad.tr.x, -10);
EXPECT_EQ(quad.tr.y, -10);
EXPECT_EQ(quad.bl.x, -30);
EXPECT_EQ(quad.bl.y, 30);
EXPECT_EQ(quad.br.x, -10);
EXPECT_EQ(quad.br.y, 30);
}
// height x textSize
{
SymbolLayoutProperties::Evaluated layout;
layout.get<TextSize>() = 12.0f;
layout.get<IconTextFit>() = IconTextFitType::Height;
SymbolQuad quad =
getIconQuad(shapedIcon, layout, 12.0f, shapedText);
EXPECT_EQ(quad.tl.x, -20);
EXPECT_EQ(quad.tl.y, -5);
EXPECT_EQ(quad.tr.x, 0);
EXPECT_EQ(quad.tr.y, -5);
EXPECT_EQ(quad.bl.x, -20);
EXPECT_EQ(quad.bl.y, 15);
EXPECT_EQ(quad.br.x, 0);
EXPECT_EQ(quad.br.y, 15);
}
// height x textSize + padding
{
SymbolLayoutProperties::Evaluated layout;
layout.get<TextSize>() = 12.0f;
layout.get<IconTextFit>() = IconTextFitType::Height;
layout.get<IconTextFitPadding>()[0] = 5.0f;
layout.get<IconTextFitPadding>()[1] = 10.0f;
layout.get<IconTextFitPadding>()[2] = 5.0f;
layout.get<IconTextFitPadding>()[3] = 10.0f;
SymbolQuad quad =
getIconQuad(shapedIcon, layout, 12.0f, shapedText);
EXPECT_EQ(quad.tl.x, -30);
EXPECT_EQ(quad.tl.y, -10);
EXPECT_EQ(quad.tr.x, 10);
EXPECT_EQ(quad.tr.y, -10);
EXPECT_EQ(quad.bl.x, -30);
EXPECT_EQ(quad.bl.y, 20);
EXPECT_EQ(quad.br.x, 10);
EXPECT_EQ(quad.br.y, 20);
}
// both
{
SymbolLayoutProperties::Evaluated layout;
layout.get<TextSize>() = 24.0f;
layout.get<IconTextFit>() = IconTextFitType::Both;
SymbolQuad quad =
getIconQuad(shapedIcon, layout, 24.0f, shapedText);
EXPECT_EQ(quad.tl.x, -60);
EXPECT_EQ(quad.tl.y, -10);
EXPECT_EQ(quad.tr.x, 20);
EXPECT_EQ(quad.tr.y, -10);
EXPECT_EQ(quad.bl.x, -60);
EXPECT_EQ(quad.bl.y, 30);
EXPECT_EQ(quad.br.x, 20);
EXPECT_EQ(quad.br.y, 30);
}
// both x textSize
{
SymbolLayoutProperties::Evaluated layout;
layout.get<TextSize>() = 12.0f;
layout.get<IconTextFit>() = IconTextFitType::Both;
SymbolQuad quad =
getIconQuad(shapedIcon, layout, 12.0f, shapedText);
EXPECT_EQ(quad.tl.x, -30);
EXPECT_EQ(quad.tl.y, -5);
EXPECT_EQ(quad.tr.x, 10);
EXPECT_EQ(quad.tr.y, -5);
EXPECT_EQ(quad.bl.x, -30);
EXPECT_EQ(quad.bl.y, 15);
EXPECT_EQ(quad.br.x, 10);
EXPECT_EQ(quad.br.y, 15);
}
// both x textSize + padding
{
SymbolLayoutProperties::Evaluated layout;
layout.get<TextSize>() = 12.0f;
layout.get<IconTextFit>() = IconTextFitType::Both;
layout.get<IconTextFitPadding>()[0] = 5.0f;
layout.get<IconTextFitPadding>()[1] = 10.0f;
layout.get<IconTextFitPadding>()[2] = 5.0f;
layout.get<IconTextFitPadding>()[3] = 10.0f;
SymbolQuad quad =
getIconQuad(shapedIcon, layout, 12.0f, shapedText);
EXPECT_EQ(quad.tl.x, -40);
EXPECT_EQ(quad.tl.y, -10);
EXPECT_EQ(quad.tr.x, 20);
EXPECT_EQ(quad.tr.y, -10);
EXPECT_EQ(quad.bl.x, -40);
EXPECT_EQ(quad.bl.y, 20);
EXPECT_EQ(quad.br.x, 20);
EXPECT_EQ(quad.br.y, 20);
}
// both x textSize + padding t/r/b/l
{
SymbolLayoutProperties::Evaluated layout;
layout.get<TextSize>() = 12.0f;
layout.get<IconTextFit>() = IconTextFitType::Both;
layout.get<IconTextFitPadding>()[0] = 0.0f;
layout.get<IconTextFitPadding>()[1] = 5.0f;
layout.get<IconTextFitPadding>()[2] = 10.0f;
layout.get<IconTextFitPadding>()[3] = 15.0f;
SymbolQuad quad =
getIconQuad(shapedIcon, layout, 12.0f, shapedText);
EXPECT_EQ(quad.tl.x, -45);
EXPECT_EQ(quad.tl.y, -5);
EXPECT_EQ(quad.tr.x, 15);
EXPECT_EQ(quad.tr.y, -5);
EXPECT_EQ(quad.bl.x, -45);
EXPECT_EQ(quad.bl.y, 25);
EXPECT_EQ(quad.br.x, 15);
EXPECT_EQ(quad.br.y, 25);
}
}
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