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[DEV] add the possibility to draw triangle with negative size

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This commit is contained in:
Edouard DUPIN 2013-05-20 22:07:20 +02:00
parent 90ca5367e8
commit 0c36f880db
1 changed files with 12 additions and 0 deletions
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12
sources/ewol/compositing/Drawing.cpp
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@ -498,8 +498,20 @@ void ewol::Drawing::Rectangle(vec3 dest)
*/ */
float dxA = m_position.x(); float dxA = m_position.x();
float dxB = dest.x(); float dxB = dest.x();
if (dxA > dxB) {
// inverse order :
float tmp = dxA;
dxA = dxB;
dxB = tmp;
}
float dyC = m_position.y(); float dyC = m_position.y();
float dyD = dest.y(); float dyD = dest.y();
if (dyC > dyD) {
// inverse order :
float tmp = dyC;
dyC = dyD;
dyD = tmp;
}
if (true == m_clippingEnable) { if (true == m_clippingEnable) {
if (dxA < m_clippingPosStart.x()) { if (dxA < m_clippingPosStart.x()) {
dxA = m_clippingPosStart.x(); dxA = m_clippingPosStart.x();