usbloadergx/source/GUI/gui_box.cpp

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/****************************************************************************
* Copyright (C) 2010
* by Dimok
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any
* damages arising from the use of this software.
*
* Permission is granted to anyone to use this software for any
* purpose, including commercial applications, and to alter it and
* redistribute it freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you
* must not claim that you wrote the original software. If you use
* this software in a product, an acknowledgment in the product
* documentation would be appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and
* must not be misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
***************************************************************************/
#include "gui_box.hpp"
void GuiBox::Draw()
{
GX_SetTevOp(GX_TEVSTAGE0, GX_PASSCLR);
GX_SetVtxDesc(GX_VA_POS, GX_DIRECT);
GX_SetVtxDesc(GX_VA_CLR0, GX_DIRECT);
GX_SetVtxDesc(GX_VA_TEX0, GX_NONE);
u32 n = filled ? 4 : 5;
f32 x = GetLeft();
f32 y = GetTop();
f32 x2 = x + width;
f32 y2 = y + height;
guVector v[] = { { x, y, 0.0f }, { x2, y, 0.0f }, { x2, y2, 0.0f }, { x, y2, 0.0f }, { x, y, 0.0f } };
int alpha = GetAlpha();
GX_Begin(filled ? GX_TRIANGLEFAN : GX_LINESTRIP, GX_VTXFMT0, n);
for (u32 i = 0; i < n; i++)
{
GX_Position3f32(v[i].x, v[i].y, v[i].z);
GX_Color4u8(color[i].r, color[i].g, color[i].b, alpha);
}
GX_End();
GX_SetTevOp(GX_TEVSTAGE0, GX_MODULATE);
}