Support Board

#include "sierrachart.h"

#include <vector>
using namespace std;

SCDLLName("Sierra Font Sample");

namespace ns_zzz_TestSierraFonts
{
static std::vector<SCString> FontNames = {
"Arial"
, "Tahoma"
, "Segoe UI"
, "Consolas"
, "Courier New"
};

static std::vector<int> FontSizes = {
6
,7
,8
,9
,10
,11
,12
};

//
// DrawToChart
//
void DrawToChart(HWND WindowHandle, HDC DeviceContext, SCStudyInterfaceRef sc)
{
const int region_left = sc.StudyRegionLeftCoordinate;
const int region_top = sc.StudyRegionTopCoordinate;

const char* OutputFormatString = "%s size:%d - Showing 4 Fonts and 4 Sizes works. Changing to 5 Sizes will hang Sierra.";

sc.Graphics.SetTextAlign(TA_NOUPDATECP);
SCString output;
int x = region_top + 50;
int y = region_left + 50;

n_ACSIL::s_GraphicsColor backgroundColor;
backgroundColor.SetColorValue(sc.ChartBackgroundColor);

n_ACSIL::s_GraphicsColor textColor;
textColor.Color.RawColor = COLOR_GRAY;
sc.Graphics.SetTextColor(textColor);
sc.Graphics.SetBackgroundMode(TRANSPARENT);

SCInputRef Input_NumFonts = sc.Input[0];
SCInputRef Input_NumSizes = sc.Input[1];

int fontIndex = 0;
int sizeIndex = 0;

for (auto& font : FontNames)
{
n_ACSIL::s_GraphicsFont graphicsFont;
graphicsFont.m_FaceName = font;

sizeIndex = 0;

for (auto& size : FontSizes)
{
output.Format(OutputFormatString, font.GetChars(), size);

graphicsFont.m_Height = size;
sc.Graphics.SetTextFont(graphicsFont);

n_ACSIL::s_GraphicsSize graphicsSize;
sc.Graphics.GetTextSize(output, graphicsSize);

n_ACSIL::s_GraphicsRectangle rect;
rect.Left = x;
rect.Top = y;
rect.Right = x + graphicsSize.Width;
rect.Bottom = y + graphicsSize.Height;

sc.Graphics.FillRectangleWithColor(rect, backgroundColor);
sc.Graphics.DrawTextAt(output, x, y);

//
y += graphicsSize.Height + 4;

++sizeIndex;
if (sizeIndex >= FontSizes.size() || sizeIndex >= Input_NumSizes.GetInt()) break;
}

++fontIndex;
if (fontIndex >= FontNames.size() || fontIndex >= Input_NumFonts.GetInt()) break;
}
}

//
// scsf_zzz_TestSierraFonts
//
SCSFExport scsf_zzz_TestSierraFonts(SCStudyInterfaceRef sc)
{
SCInputRef Input_NumFonts = sc.Input[0];
SCInputRef Input_NumSizes = sc.Input[1];

if (sc.SetDefaults)
{
sc.GraphName = "zzz_TestSierraFonts";
sc.AutoLoop = 0;
sc.DrawZeros = 0;
sc.GraphRegion = 0;
sc.DrawStudyUnderneathMainPriceGraph = 0;
sc.UpdateAlways = 1;

Input_NumFonts.Name = "Num Fonts";
Input_NumFonts.SetInt(1);
Input_NumFonts.SetIntLimits(1, 5);

Input_NumSizes.Name = "Num Sizes";
Input_NumSizes.SetInt(1);
Input_NumSizes.SetIntLimits(1, 7);

return;
}

sc.p_GDIFunction = DrawToChart;

for (int barIndex = sc.UpdateStartIndex; barIndex < sc.ArraySize; barIndex++)
{
// do work...
}
}

} // ns_zzz_TestSierraFonts