void CFont::Create (void)
{
// Check if all the objects to communicate with are set
ASSERT (m_pDisplay != NULL);
// Set default text/shadow color
m_TextColorOffset = GetColorOffset (FONTCOLOR_WHITE);
m_ShadowColorOffset = GetColorOffset (FONTCOLOR_BLACK);
// Draw the characters in sprite layer 0 by default
m_SpriteLayer = 0;
// By default don't draw any text shadow
m_DrawShadow = false;
// Set default shadow direction
SetShadowDirection (SHADOWDIRECTION_UP);
}
void SetColor(u16 x, u16 y, u8 *color)
{
u32 offset = GetColorOffset(x, y);
if (bpmem.blendmode.colorupdate)
{
if (bpmem.blendmode.alphaupdate)
SetPixelAlphaColor(offset, color);
else
SetPixelColorOnly(offset, color);
}
else if (bpmem.blendmode.alphaupdate)
SetPixelAlphaOnly(offset, color[ALP_C]);
}
void BlendTev(u16 x, u16 y, u8 *color)
{
u32 dstClr;
u32 offset = GetColorOffset(x, y);
u8 *dstClrPtr = (u8*)&dstClr;
GetPixelColor(offset, dstClrPtr);
if (bpmem.blendmode.blendenable)
{
if (bpmem.blendmode.subtract)
SubtractBlend(color, dstClrPtr);
else
BlendColor(color, dstClrPtr);
}
else if (bpmem.blendmode.logicopenable)
{
LogicBlend(*((u32*)color), dstClr, bpmem.blendmode.logicmode);
}
else
{
dstClrPtr = color;
}
if (bpmem.dstalpha.enable)
dstClrPtr[ALP_C] = bpmem.dstalpha.alpha;
if (bpmem.blendmode.colorupdate)
{
if (bpmem.blendmode.alphaupdate)
SetPixelAlphaColor(offset, dstClrPtr);
else
SetPixelColorOnly(offset, dstClrPtr);
}
else if (bpmem.blendmode.alphaupdate)
{
SetPixelAlphaOnly(offset, dstClrPtr[ALP_C]);
}
// branchless bounding box update
PixelEngine::bbox[0] = std::min(x, PixelEngine::bbox[0]);
PixelEngine::bbox[1] = std::max(x, PixelEngine::bbox[1]);
PixelEngine::bbox[2] = std::min(y, PixelEngine::bbox[2]);
PixelEngine::bbox[3] = std::max(y, PixelEngine::bbox[3]);
}
void BlendTev(u16 x, u16 y, u8 *color)
{
u32 dstClr;
u32 offset = GetColorOffset(x, y);
u8 *dstClrPtr = (u8*)&dstClr;
GetPixelColor(offset, dstClrPtr);
if (bpmem.blendmode.blendenable)
{
if (bpmem.blendmode.subtract)
SubtractBlend(color, dstClrPtr);
else
BlendColor(color, dstClrPtr);
}
else if (bpmem.blendmode.logicopenable)
{
LogicBlend(*((u32*)color), dstClr, bpmem.blendmode.logicmode);
}
else
{
dstClrPtr = color;
}
if (bpmem.dstalpha.enable)
dstClrPtr[ALP_C] = bpmem.dstalpha.alpha;
if (bpmem.blendmode.colorupdate)
{
if (bpmem.blendmode.alphaupdate)
SetPixelAlphaColor(offset, dstClrPtr);
else
SetPixelColorOnly(offset, dstClrPtr);
}
else if (bpmem.blendmode.alphaupdate)
{
SetPixelAlphaOnly(offset, dstClrPtr[ALP_C]);
}
// branchless bounding box update
SWPixelEngine::pereg.boxLeft = SWPixelEngine::pereg.boxLeft>x?x:SWPixelEngine::pereg.boxLeft;
SWPixelEngine::pereg.boxRight = SWPixelEngine::pereg.boxRight<x?x:SWPixelEngine::pereg.boxRight;
SWPixelEngine::pereg.boxTop = SWPixelEngine::pereg.boxTop>y?y:SWPixelEngine::pereg.boxTop;
SWPixelEngine::pereg.boxBottom = SWPixelEngine::pereg.boxBottom<y?y:SWPixelEngine::pereg.boxBottom;
}
u8 *GetPixelPointer(u16 x, u16 y, bool depth)
{
if (depth)
return &efb[GetDepthOffset(x, y)];
return &efb[GetColorOffset(x, y)];
}
void GetColor(u16 x, u16 y, u8 *color)
{
u32 offset = GetColorOffset(x, y);
GetPixelColor(offset, color);
}