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Text clipping

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This was SVN commit r2527.
This commit is contained in:
Gee
2005-07-24 00:01:41 +00:00
parent 77c0ab074e
commit 74e1c8a772
4 changed files with 25 additions and 5 deletions
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source/gui/CGUI.cpp
+20 -1
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@@ -864,7 +864,7 @@ SGUIText CGUI::GenerateText(const CGUIString &string,
}
void CGUI::DrawText(SGUIText &Text, const CColor &DefaultColor,
const CPos &pos, const float &z)
const CPos &pos, const float &z, const CRect &clipping)
{
// TODO Gee: All these really necessary? Some
// are defaults and if you changed them
@@ -879,6 +879,23 @@ void CGUI::DrawText(SGUIText &Text, const CColor &DefaultColor,
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
if (clipping != CRect())
{
double eq[4][4] =
{
{ 0.0, 1.0, 0.0, -clipping.top },
{ 1.0, 0.0, 0.0, -clipping.left },
{ 0.0, -1.0, 0.0, clipping.bottom },
{ -1.0, 0.0, 0.0, clipping.right }
};
for (int i=0; i<4; ++i)
{
glClipPlane(GL_CLIP_PLANE0+i, eq[i]);
glEnable(GL_CLIP_PLANE0+i);
}
}
CFont* font = NULL;
CStr LastFontName;
@@ -924,6 +941,8 @@ void CGUI::DrawText(SGUIText &Text, const CColor &DefaultColor,
// TODO To whom it may concern: Thing were not reset, so
// I added this line, modify if incorrect --
for (int i=0; i<4; ++i)
glDisable(GL_CLIP_PLANE0+i);
glDisable(GL_TEXTURE_2D);
// -- GL
}