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blatantly ganked from T2D; adds rotation as an option for drawbitmap

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demonstrates a bit of usage in guibitmapctrl. (do note, gui elements may need followup via altering thier clip rect depending on how folks want to end up using this)
This commit is contained in:
AzaezelX 2021-10-25 23:16:41 -05:00
parent 14ebeaf3eb
commit d07d113246
4 changed files with 55 additions and 27 deletions
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56
Engine/source/gfx/gfxDrawUtil.cpp
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@ -303,54 +303,54 @@ U32 GFXDrawUtil::drawTextN( GFont *font, const Point2F &ptDraw, const UTF16 *in_
//-----------------------------------------------------------------------------
// Draw Bitmaps
//-----------------------------------------------------------------------------
void GFXDrawUtil::drawBitmap( GFXTextureObject* texture, const Point2I &in_rAt, const GFXBitmapFlip in_flip, const GFXTextureFilterType filter , bool in_wrap /*= true*/ )
void GFXDrawUtil::drawBitmap( GFXTextureObject* texture, const Point2I &in_rAt, const GFXBitmapFlip in_flip, const GFXTextureFilterType filter , bool in_wrap /*= true*/, F32 fSpin)
{
drawBitmap(texture,Point2F((F32)in_rAt.x,(F32)in_rAt.y),in_flip,filter,in_wrap);
drawBitmap(texture,Point2F((F32)in_rAt.x,(F32)in_rAt.y),in_flip,filter,in_wrap, fSpin);
}
void GFXDrawUtil::drawBitmapStretch( GFXTextureObject* texture, const RectI &dstRect, const GFXBitmapFlip in_flip, const GFXTextureFilterType filter , bool in_wrap /*= true*/ )
void GFXDrawUtil::drawBitmapStretch( GFXTextureObject* texture, const RectI &dstRect, const GFXBitmapFlip in_flip, const GFXTextureFilterType filter , bool in_wrap /*= true*/, F32 fSpin)
{
drawBitmapStretch(texture,RectF((F32)dstRect.point.x,(F32)dstRect.point.y,(F32)dstRect.extent.x,(F32)dstRect.extent.y),in_flip,filter,in_wrap);
drawBitmapStretch(texture,RectF((F32)dstRect.point.x,(F32)dstRect.point.y,(F32)dstRect.extent.x,(F32)dstRect.extent.y),in_flip,filter,in_wrap, fSpin);
}
void GFXDrawUtil::drawBitmapSR( GFXTextureObject* texture, const Point2I &in_rAt, const RectI &srcRect, const GFXBitmapFlip in_flip, const GFXTextureFilterType filter , bool in_wrap /*= true*/ )
void GFXDrawUtil::drawBitmapSR( GFXTextureObject* texture, const Point2I &in_rAt, const RectI &srcRect, const GFXBitmapFlip in_flip, const GFXTextureFilterType filter , bool in_wrap /*= true*/, F32 fSpin)
{
drawBitmapSR(texture,Point2F((F32)in_rAt.x,(F32)in_rAt.y),RectF((F32)srcRect.point.x,(F32)srcRect.point.y,(F32)srcRect.extent.x,(F32)srcRect.extent.y),in_flip,filter,in_wrap);
drawBitmapSR(texture,Point2F((F32)in_rAt.x,(F32)in_rAt.y),RectF((F32)srcRect.point.x,(F32)srcRect.point.y,(F32)srcRect.extent.x,(F32)srcRect.extent.y),in_flip,filter,in_wrap, fSpin);
}
void GFXDrawUtil::drawBitmapStretchSR( GFXTextureObject *texture, const RectI &dstRect, const RectI &srcRect, const GFXBitmapFlip in_flip, const GFXTextureFilterType filter , bool in_wrap /*= true*/ )
void GFXDrawUtil::drawBitmapStretchSR( GFXTextureObject *texture, const RectI &dstRect, const RectI &srcRect, const GFXBitmapFlip in_flip, const GFXTextureFilterType filter , bool in_wrap /*= true*/, F32 fSpin)
{
RectF dstRectF = RectF((F32)dstRect.point.x,(F32)dstRect.point.y,(F32)dstRect.extent.x,(F32)dstRect.extent.y);
RectF srcRectF = RectF((F32)srcRect.point.x,(F32)srcRect.point.y,(F32)srcRect.extent.x,(F32)srcRect.extent.y);
drawBitmapStretchSR(texture,dstRectF,srcRectF,in_flip,filter,in_wrap);
drawBitmapStretchSR(texture,dstRectF,srcRectF,in_flip,filter,in_wrap, fSpin);
}
void GFXDrawUtil::drawBitmap( GFXTextureObject*texture, const Point2F &in_rAt, const GFXBitmapFlip in_flip /*= GFXBitmapFlip_None*/, const GFXTextureFilterType filter /*= GFXTextureFilterPoint */ , bool in_wrap /*= true*/ )
void GFXDrawUtil::drawBitmap( GFXTextureObject*texture, const Point2F &in_rAt, const GFXBitmapFlip in_flip /*= GFXBitmapFlip_None*/, const GFXTextureFilterType filter /*= GFXTextureFilterPoint */ , bool in_wrap /*= true*/, F32 fSpin)
{
AssertFatal( texture != 0, "No texture specified for drawBitmap()" );
RectI subRegion( 0, 0, texture->mBitmapSize.x, texture->mBitmapSize.y );
RectI stretch( in_rAt.x, in_rAt.y, texture->mBitmapSize.x, texture->mBitmapSize.y );
drawBitmapStretchSR( texture, stretch, subRegion, in_flip, filter, in_wrap );
drawBitmapStretchSR( texture, stretch, subRegion, in_flip, filter, in_wrap, fSpin);
}
void GFXDrawUtil::drawBitmapStretch( GFXTextureObject*texture, const RectF &dstRect, const GFXBitmapFlip in_flip /*= GFXBitmapFlip_None*/, const GFXTextureFilterType filter /*= GFXTextureFilterPoint */ , bool in_wrap /*= true*/ )
void GFXDrawUtil::drawBitmapStretch( GFXTextureObject*texture, const RectF &dstRect, const GFXBitmapFlip in_flip /*= GFXBitmapFlip_None*/, const GFXTextureFilterType filter /*= GFXTextureFilterPoint */ , bool in_wrap /*= true*/, F32 fSpin)
{
AssertFatal( texture != 0, "No texture specified for drawBitmapStretch()" );
RectF subRegion( 0.f, 0.f, (F32)texture->mBitmapSize.x, (F32)texture->mBitmapSize.y );
drawBitmapStretchSR( texture, dstRect, subRegion, in_flip, filter, in_wrap );
drawBitmapStretchSR( texture, dstRect, subRegion, in_flip, filter, in_wrap, fSpin);
}
void GFXDrawUtil::drawBitmapSR( GFXTextureObject*texture, const Point2F &in_rAt, const RectF &srcRect, const GFXBitmapFlip in_flip /*= GFXBitmapFlip_None*/, const GFXTextureFilterType filter /*= GFXTextureFilterPoint */ , bool in_wrap /*= true*/ )
void GFXDrawUtil::drawBitmapSR( GFXTextureObject*texture, const Point2F &in_rAt, const RectF &srcRect, const GFXBitmapFlip in_flip /*= GFXBitmapFlip_None*/, const GFXTextureFilterType filter /*= GFXTextureFilterPoint */ , bool in_wrap /*= true*/, F32 fSpin)
{
AssertFatal( texture != 0, "No texture specified for drawBitmapSR()" );
RectF stretch( in_rAt.x, in_rAt.y, srcRect.len_x(), srcRect.len_y() );
drawBitmapStretchSR( texture, stretch, srcRect, in_flip, filter, in_wrap );
drawBitmapStretchSR( texture, stretch, srcRect, in_flip, filter, in_wrap, fSpin);
}
void GFXDrawUtil::drawBitmapStretchSR( GFXTextureObject* texture, const RectF &dstRect, const RectF &srcRect, const GFXBitmapFlip in_flip /*= GFXBitmapFlip_None*/, const GFXTextureFilterType filter /*= GFXTextureFilterPoint */ , bool in_wrap /*= true*/ )
void GFXDrawUtil::drawBitmapStretchSR( GFXTextureObject* texture, const RectF &dstRect, const RectF &srcRect, const GFXBitmapFlip in_flip /*= GFXBitmapFlip_None*/, const GFXTextureFilterType filter /*= GFXTextureFilterPoint */ , bool in_wrap /*= true*/, F32 fSpin)
{
// Sanity if no texture is specified.
if(!texture)
@ -395,6 +395,30 @@ void GFXDrawUtil::drawBitmapStretchSR( GFXTextureObject* texture, const RectF &d
verts[2].texCoord.set( texLeft, texBottom );
verts[3].texCoord.set( texRight, texBottom );
if (fSpin != 0.0f)
{
U32 i = 0;
Point3F points[4];
points[0] = Point3F(-dstRect.extent.x / 2.0f, -dstRect.extent.y / 2.0f, 0.0);
points[1] = Point3F(dstRect.extent.x / 2.0f, -dstRect.extent.y / 2.0f, 0.0);
points[2] = Point3F(-dstRect.extent.x / 2.0f, dstRect.extent.y / 2.0f, 0.0);
points[3] = Point3F(dstRect.extent.x / 2.0f, dstRect.extent.y / 2.0f, 0.0);
//calc center by taking position+extent/2
Point3F offset(dstRect.point.x + dstRect.extent.x / 2.0f,
dstRect.point.y + dstRect.extent.y / 2.0f, 0.0);
//rotate points by mulitplying by a rotation matrix
MatrixF rotMatrix(EulerF(0.0, 0.0, mDegToRad(fSpin)));
for (i = 0; i < 4; i++)
{
rotMatrix.mulP(points[i]);
points[i] += offset;
verts[i].point = points[i];
}
}
verts.unlock();
mDevice->setVertexBuffer( verts );
@ -1641,4 +1665,4 @@ void GFXDrawUtil::drawTransform( const GFXStateBlockDesc &desc, const MatrixF &m
mDevice->setVertexBuffer( verts );
mDevice->setupGenericShaders();
mDevice->drawPrimitive( GFXLineList, 0, 3 );
}
}