76 lines
2.5 KiB
Nim
76 lines
2.5 KiB
Nim
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import os, strformat
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import imguin/[cimgui, simple]
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import ./globals
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import ../utils/fonticon/IconsFontAwesome6
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export IconsFontAwesome6
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let IconfontFullPath = fmt"{CONQUEST_ROOT}/src/client/utils/fonticon/fa6/fa-solid-900.ttf"
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# Convert point to pixel
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proc point2px*(point: float32): cfloat = ((point * 96) / 72).cfloat
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# setupFonts
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type
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TFontInfo = object
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fontDir, osRootDir: string
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fontTable: seq[(string, string, float)] # path, name, point
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when defined(windows):
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const
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fontInfo = TFontInfo(
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osRootDir: os.getEnv("windir"), # get OS root
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fontDir: "fonts",
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fontTable: @[ #
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("segoeui.ttf", "Seoge UI", 14.4),
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]
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)
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else: # For Debian/Ubuntu/Mint
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const
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fontInfo = TFontInfo(
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osRootDir: "/",
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fontDir: "usr/share/fonts",
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fontTable: @[
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("truetype/noto/NotoSansMono-Regular.ttf", "Noto Sans Mono", 20.0)
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]
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)
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proc new_ImFontConfig(): ImFontConfig =
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# Custom constructor with default params taken from imgui.h
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result.FontDataOwnedByAtlas = true
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result.FontNo = 0
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result.OversampleH = 3
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result.OversampleV = 1
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result.PixelSnapH = false
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result.GlyphMaxAdvanceX = float.high
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result.RasterizerMultiply = 1.0
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result.RasterizerDensity = 1.0
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result.MergeMode = false
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result.EllipsisChar = cast[ImWchar](-1)
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proc setupFonts*(): (bool, string, string) =
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let pio = igGetIO()
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var config {.global.} = new_ImFontConfig()
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# Load first base font
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result = (false, "Default", "ProggyClean.ttf")
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var seqFontNames: seq[(string, string)]
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for (fontName, fontTitle, point) in fontInfo.fontTable:
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let fontFullPath = os.joinPath(fontInfo.osRootDir, fontInfo.fontDir, fontName)
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if os.fileExists(fontFullPath):
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seqFontNames.add((fontName, fontTitle))
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pio.Fonts.ImFontAtlas_AddFontFromFileTTF(fontFullPath.cstring, point.point2px, nil, nil)
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break
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if seqFontNames.len > 0:
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result = (true, seqFontNames[0][0].extractFilename, seqFontNames[0][1])
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else:
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pio.Fonts.ImFontAtlas_AddFontDefault(nil)
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# Merge Icon font
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config.MergeMode = true
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var ranges_icon_fonts {.global.} = [ICON_MIN_FA.uint16, ICON_MAX_FA.uint16, 0]
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if os.fileExists(IconfontFullPath):
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pio.Fonts.ImFontAtlas_AddFontFromFileTTF(IconfontFullPath.cstring, 11.point2px, addr config, addr ranges_icon_fonts[0])
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else:
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echo "Error!: Can't find Icon fonts: ", IconfontFullPath
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