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Fixed an issue with international characters getting clipped in ScrollableContainer.

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This commit is contained in:
Leon Styhre 2021-10-15 20:31:51 +02:00
parent 52b516b9ca
commit 050dccb6b8
1 changed files with 10 additions and 8 deletions
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18
es-core/src/components/ScrollableContainer.cpp
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@ -82,10 +82,12 @@ void ScrollableContainer::update(int deltaTime)
float lineSpacing{mChildren.front()->getLineSpacing()};
float combinedHeight{mChildren.front()->getFont()->getHeight(lineSpacing)};
// Calculate the line spacing which will be used to clip the container.
if (mClipSpacing == 0.0f)
mClipSpacing =
std::round((combinedHeight - mChildren.front()->getFont()->getLetterHeight()) / 2.0f);
// Calculate the spacing which will be used to clip the container.
if (lineSpacing > 1.2f && mClipSpacing == 0.0f) {
const float minimumSpacing = mChildren.front()->getFont()->getHeight(1.2f);
const float currentSpacing = mChildren.front()->getFont()->getHeight(lineSpacing);
mClipSpacing = std::round((currentSpacing - minimumSpacing) / 2.0f);
}
// Resize container to font height boundary to avoid rendering a fraction of the last line.
if (!mUpdatedSize && contentSize.y > mSize.y) {
@ -176,13 +178,13 @@ void ScrollableContainer::render(const glm::mat4& parentTrans)
dimScaled.x = std::fabs(trans[3].x + mSize.x);
dimScaled.y = std::fabs(trans[3].y + mSize.y);
glm::ivec2 clipDim{static_cast<int>(dimScaled.x - trans[3].x),
static_cast<int>(dimScaled.y - trans[3].y)};
glm::ivec2 clipDim{static_cast<int>(ceilf(dimScaled.x - trans[3].x)),
static_cast<int>(ceilf(dimScaled.y - trans[3].y))};
// By effectively clipping the upper and lower boundaries of the container we mostly avoid
// scrolling outside the vertical starting and ending positions.
clipPos.y += mClipSpacing;
clipDim.y -= mClipSpacing * 0.9f;
clipPos.y += static_cast<int>(mClipSpacing);
clipDim.y -= static_cast<int>(mClipSpacing);
Renderer::pushClipRect(clipPos, clipDim);