void GUICanvas::drawPolyLine(const Vector<Vector2I>& vertices, const Color& color)
{
if(vertices.size() < 2)
{
LOGWRN("Invalid number of vertices. Ignoring call.");
return;
}
mElements.push_back(CanvasElement());
CanvasElement& element = mElements.back();
element.type = CanvasElementType::Line;
element.color = color;
element.dataId = (UINT32)mTriangleElementData.size();
element.vertexStart = (UINT32)mVertexData.size();
element.numVertices = (UINT32)vertices.size();
mTriangleElementData.push_back(TriangleElementData());
TriangleElementData& elemData = mTriangleElementData.back();
elemData.matInfo.groupId = 0;
elemData.matInfo.tint = color;
for (auto& vertex : vertices)
{
Vector2 point = Vector2((float)vertex.x, (float)vertex.y);
point += Vector2(0.5f, 0.5f); // Offset to the middle of the pixel
mVertexData.push_back(point);
}
mForceTriangleBuild = true;
_markContentAsDirty();
}
void GUICanvas::drawTriangleList(const Vector<Vector2I>& vertices, const Color& color)
{
if (vertices.size() < 3 || vertices.size() % 3 != 0)
{
LOGWRN("Invalid number of vertices. Ignoring call.");
return;
}
mElements.push_back(CanvasElement());
CanvasElement& element = mElements.back();
element.type = CanvasElementType::Triangle;
element.color = color;
element.dataId = (UINT32)mTriangleElementData.size();
element.vertexStart = (UINT32)mVertexData.size();
element.numVertices = (UINT32)vertices.size();
for (auto& vertex : vertices)
mVertexData.push_back(Vector2((float)vertex.x, (float)vertex.y));
mTriangleElementData.push_back(TriangleElementData());
TriangleElementData& elemData = mTriangleElementData.back();
elemData.matInfo.groupId = 0;
elemData.matInfo.tint = color;
mForceTriangleBuild = true;
_markContentAsDirty();
}
void GUICanvas::drawPolyLine(const Vector<Vector2I>& vertices, const Color& color)
{
if(vertices.size() < 2)
{
LOGWRN("Invalid number of vertices. Ignoring call.");
return;
}
mElements.push_back(CanvasElement());
CanvasElement& element = mElements.back();
element.type = CanvasElementType::Line;
element.color = color;
element.dataId = (UINT32)mTriangleElementData.size();
element.vertexStart = (UINT32)mVertexData.size();
element.numVertices = (UINT32)vertices.size();
// TODO - Add actual triangle line data here
for (auto& vertex : vertices)
mVertexData.push_back(Vector2((float)vertex.x, (float)vertex.y));
mTriangleElementData.push_back(TriangleElementData());
TriangleElementData& elemData = mTriangleElementData.back();
elemData.matInfo.groupId = 0;
elemData.matInfo.tint = color;
elemData.matInfo.type = SpriteMaterial::ImageAlpha; // TODO - Use line material here
mForceTriangleBuild = true;
_markContentAsDirty();
}
void GUICanvas::drawTriangleStrip(const Vector<Vector2I>& vertices, const Color& color)
{
if (vertices.size() < 3)
{
LOGWRN("Invalid number of vertices. Ignoring call.");
return;
}
mElements.push_back(CanvasElement());
CanvasElement& element = mElements.back();
element.type = CanvasElementType::Triangle;
element.color = color;
element.dataId = (UINT32)mTriangleElementData.size();
element.vertexStart = (UINT32)mVertexData.size();
element.numVertices = (UINT32)(vertices.size() - 2) * 3;
// Convert strip to list
for(UINT32 i = 2; i < (UINT32)vertices.size(); i++)
{
mVertexData.push_back(Vector2((float)vertices[i - 2].x, (float)vertices[i - 2].y));
mVertexData.push_back(Vector2((float)vertices[i - 1].x, (float)vertices[i - 1].y));
mVertexData.push_back(Vector2((float)vertices[i - 0].x, (float)vertices[i - 0].y));
}
mTriangleElementData.push_back(TriangleElementData());
TriangleElementData& elemData = mTriangleElementData.back();
elemData.matInfo.groupId = 0;
elemData.matInfo.tint = color;
elemData.matInfo.type = SpriteMaterial::ImageAlpha;
mForceTriangleBuild = true;
_markContentAsDirty();
}
void GUICanvas::drawTexture(const HSpriteTexture& texture, const Rect2I& area, TextureScaleMode scaleMode,
const Color& color)
{
mElements.push_back(CanvasElement());
CanvasElement& element = mElements.back();
element.type = CanvasElementType::Image;
element.color = color;
element.dataId = (UINT32)mImageData.size();
element.scaleMode = scaleMode;
element.imageSprite = bs_new<ImageSprite>();
mImageData.push_back({ texture, area });
_markContentAsDirty();
}
void GUICanvas::drawText(const WString& text, const Vector2I& position, const HFont& font, UINT32 size,
const Color& color)
{
mElements.push_back(CanvasElement());
CanvasElement& element = mElements.back();
element.type = CanvasElementType::Text;
element.color = color;
element.dataId = (UINT32)mTextData.size();
element.size = size;
element.textSprite = bs_new<TextSprite>();
mTextData.push_back({ text, font, position });
_markContentAsDirty();
}
void GUICanvas::drawLine(const Vector2I& a, const Vector2I& b, const Color& color)
{
mElements.push_back(CanvasElement());
CanvasElement& element = mElements.back();
element.type = CanvasElementType::Line;
element.color = color;
element.dataId = (UINT32)mTriangleElementData.size();
element.vertexStart = (UINT32)mVertexData.size();
element.numVertices = 2;
// TODO - Add actual triangle line data here
mVertexData.push_back(Vector2((float)a.x, (float)a.y));
mVertexData.push_back(Vector2((float)b.x, (float)b.y));
mTriangleElementData.push_back(TriangleElementData());
TriangleElementData& elemData = mTriangleElementData.back();
elemData.matInfo.groupId = 0;
elemData.matInfo.tint = color;
elemData.matInfo.type = SpriteMaterial::ImageAlpha; // TODO - Use line material here
mForceTriangleBuild = true;
_markContentAsDirty();
}
