module NVG
Constants
- ALIGN_BASELINE
- ALIGN_BOTTOM
- ALIGN_CENTER
- ALIGN_LEFT
NVGalign
Horizontal align
- ALIGN_MIDDLE
- ALIGN_RIGHT
- ALIGN_TOP
Vertical align
- ANTIALIAS
NVGcreateFlags
- ATOP
- BEVEL
- BUTT
NVGlineCap
- CCW
NVGwinding
- COPY
- CW
- DEBUG
- DESTINATION_ATOP
- DESTINATION_IN
- DESTINATION_OUT
- DESTINATION_OVER
- DST_ALPHA
- DST_COLOR
- HOLE
- IMAGE_FLIPY
- IMAGE_GENERATE_MIPMAPS
NVGimageFlags
- IMAGE_NEAREST
- IMAGE_PREMULTIPLIED
- IMAGE_REPEATX
- IMAGE_REPEATY
- LIGHTER
- MITER
- ONE
- ONE_MINUS_DST_ALPHA
- ONE_MINUS_DST_COLOR
- ONE_MINUS_SRC_ALPHA
- ONE_MINUS_SRC_COLOR
- ROUND
- SOLID
NVGsolidity
- SOURCE_IN
- SOURCE_OUT
- SOURCE_OVER
NVGcompositeOperation
- SQUARE
- SRC_ALPHA
- SRC_ALPHA_SATURATE
- SRC_COLOR
- STENCIL_STROKES
- XOR
- ZERO
NVGblendFactor
Public Class Methods
import_symbols(render_backend)
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# File lib/nanovg.rb, line 137 def self.import_symbols(render_backend) # # Common API # attach_function :BeginFrame, :nvgBeginFrame, [:pointer, :float, :float, :float], :void attach_function :CancelFrame, :nvgCancelFrame, [:pointer], :void attach_function :EndFrame, :nvgEndFrame, [:pointer], :void attach_function :GlobalCompositeOperation, :nvgGlobalCompositeOperation, [:pointer, :int32], :void attach_function :GlobalCompositeBlendFunc, :nvgGlobalCompositeBlendFunc, [:pointer, :int32, :int32], :void attach_function :GlobalCompositeBlendFuncSeparate, :nvgGlobalCompositeBlendFuncSeparate, [:pointer, :int32, :int32, :int32, :int32], :void attach_function :RGB, :nvgRGB, [:uint8, :uint8, :uint8], Color.by_value attach_function :RGBf, :nvgRGBf, [:float, :float, :float], Color.by_value attach_function :RGBA, :nvgRGBA, [:uint8, :uint8, :uint8, :uint8], Color.by_value attach_function :RGBAf, :nvgRGBAf, [:float, :float, :float, :float], Color.by_value attach_function :LerpRGBA, :nvgLerpRGBA, [Color.by_value, Color.by_value, :float], Color.by_value attach_function :TransRGBA, :nvgTransRGBA, [Color.by_value, :uint8], Color.by_value attach_function :TransRGBAf, :nvgTransRGBAf, [Color.by_value, :float], Color.by_value attach_function :HSL, :nvgHSL, [:float, :float, :float], Color.by_value attach_function :HSLA, :nvgHSLA, [:float, :float, :float, :uint8], Color.by_value attach_function :Save, :nvgSave, [:pointer], :void attach_function :Restore, :nvgRestore, [:pointer], :void attach_function :Reset, :nvgReset, [:pointer], :void attach_function :ShapeAntiAlias, :nvgShapeAntiAlias, [:pointer, Color.by_value], :void attach_function :StrokeColor, :nvgStrokeColor, [:pointer, Color.by_value], :void attach_function :StrokePaint, :nvgStrokePaint, [:pointer, Paint.by_value], :void attach_function :FillColor, :nvgFillColor, [:pointer, Color.by_value], :void attach_function :FillPaint, :nvgFillPaint, [:pointer, Paint.by_value], :void attach_function :MiterLimit, :nvgMiterLimit, [:pointer, :float], :void attach_function :StrokeWidth, :nvgStrokeWidth, [:pointer, :float], :void attach_function :LineCap, :nvgLineCap, [:pointer, :int32], :void attach_function :LineJoin, :nvgLineJoin, [:pointer, :int32], :void attach_function :GlobalAlpha, :nvgGlobalAlpha, [:pointer, :float], :void attach_function :ResetTransform, :nvgResetTransform, [:pointer], :void attach_function :Transform, :nvgTransform, [:pointer, :float, :float, :float, :float, :float, :float], :void attach_function :Translate, :nvgTranslate, [:pointer, :float, :float], :void attach_function :Rotate, :nvgRotate, [:pointer, :float], :void attach_function :SkewX, :nvgSkewX, [:pointer, :float], :void attach_function :SkewY, :nvgSkewY, [:pointer, :float], :void attach_function :Scale, :nvgScale, [:pointer, :float, :float], :void attach_function :CurrentTransform, :nvgCurrentTransform, [:pointer, :pointer], :void attach_function :TransformIdentity, :nvgTransformIdentity, [:pointer], :void attach_function :TransformTranslate, :nvgTransformTranslate, [:pointer, :float, :float], :void attach_function :TransformScale, :nvgTransformScale, [:pointer, :float, :float], :void attach_function :TransformRotate, :nvgTransformRotate, [:pointer, :float], :void attach_function :TransformSkewX, :nvgTransformSkewX, [:pointer, :float], :void attach_function :TransformSkewY, :nvgTransformSkewY, [:pointer, :float], :void attach_function :TransformMultiply, :nvgTransformMultiply, [:pointer, :pointer], :void attach_function :TransformPremultiply, :nvgTransformPremultiply, [:pointer, :pointer], :void attach_function :TransformInverse, :nvgTransformInverse, [:pointer, :pointer], :int32 attach_function :TransformPoint, :nvgTransformPoint, [:pointer, :pointer, :pointer, :float, :float], :void attach_function :DegToRad, :nvgDegToRad, [:float], :float attach_function :RadToDeg, :nvgRadToDeg, [:float], :float attach_function :CreateImage, :nvgCreateImage, [:pointer, :pointer, :int32], :int32 attach_function :CreateImageMem, :nvgCreateImageMem, [:pointer, :int32, :pointer, :int32], :int32 attach_function :CreateImageRGBA, :nvgCreateImageRGBA, [:pointer, :int32, :int32, :int32, :pointer], :int32 attach_function :UpdateImage, :nvgUpdateImage, [:pointer, :int32, :pointer], :void attach_function :ImageSize, :nvgImageSize, [:pointer, :int32, :pointer, :pointer], :void attach_function :DeleteImage, :nvgDeleteImage, [:pointer, :int32], :void attach_function :LinearGradient, :nvgLinearGradient, [:pointer, :float, :float, :float, :float, Color.by_value, Color.by_value], Paint.by_value attach_function :BoxGradient, :nvgBoxGradient, [:pointer, :float, :float, :float, :float, :float, :float, Color.by_value, Color.by_value], Paint.by_value attach_function :RadialGradient, :nvgRadialGradient, [:pointer, :float, :float, :float, :float, Color.by_value, Color.by_value], Paint.by_value attach_function :ImagePattern, :nvgImagePattern, [:pointer, :float, :float, :float, :float, :float, :int32, :float], Paint.by_value attach_function :Scissor, :nvgScissor, [:pointer, :float, :float, :float, :float], :void attach_function :IntersectScissor, :nvgIntersectScissor, [:pointer, :float, :float, :float, :float], :void attach_function :ResetScissor, :nvgResetScissor, [:pointer], :void attach_function :BeginPath, :nvgBeginPath, [:pointer], :void attach_function :MoveTo, :nvgMoveTo, [:pointer, :float, :float], :void attach_function :LineTo, :nvgLineTo, [:pointer, :float, :float], :void attach_function :BezierTo, :nvgBezierTo, [:pointer, :float, :float, :float, :float, :float, :float], :void attach_function :QuadTo, :nvgQuadTo, [:pointer, :float, :float, :float, :float], :void attach_function :ArcTo, :nvgArcTo, [:pointer, :float, :float, :float, :float, :float], :void attach_function :ClosePath, :nvgClosePath, [:pointer], :void attach_function :PathWinding, :nvgPathWinding, [:pointer, :int32], :void attach_function :Arc, :nvgArc, [:pointer, :float, :float, :float, :float, :float, :int32], :void attach_function :Rect, :nvgRect, [:pointer, :float, :float, :float, :float], :void attach_function :RoundedRect, :nvgRoundedRect, [:pointer, :float, :float, :float, :float, :float], :void attach_function :RoundedRectVarying, :nvgRoundedRectVarying, [:pointer, :float, :float, :float, :float, :float, :float, :float, :float], :void attach_function :Ellipse, :nvgEllipse, [:pointer, :float, :float, :float, :float], :void attach_function :Circle, :nvgCircle, [:pointer, :float, :float, :float], :void attach_function :Fill, :nvgFill, [:pointer], :void attach_function :Stroke, :nvgStroke, [:pointer], :void attach_function :CreateFont, :nvgCreateFont, [:pointer, :pointer, :pointer], :int32 attach_function :CreateFontMem, :nvgCreateFontMem, [:pointer, :pointer, :pointer, :int32, :int32], :int32 attach_function :FindFont, :nvgFindFont, [:pointer, :pointer], :int32 attach_function :AddFallbackFontId, :nvgAddFallbackFontId, [:pointer, :int32, :int32], :int32 attach_function :AddFallbackFont, :nvgAddFallbackFont, [:pointer, :pointer, :pointer], :int32 attach_function :FontSize, :nvgFontSize, [:pointer, :float], :void attach_function :FontBlur, :nvgFontBlur, [:pointer, :float], :void attach_function :TextLetterSpacing, :nvgTextLetterSpacing, [:pointer, :float], :void attach_function :TextLineHeight, :nvgTextLineHeight, [:pointer, :float], :void attach_function :TextAlign, :nvgTextAlign, [:pointer, :int32], :void attach_function :FontFaceId, :nvgFontFaceId, [:pointer, :int32], :void attach_function :FontFace, :nvgFontFace, [:pointer, :pointer], :void attach_function :Text, :nvgText, [:pointer, :float, :float, :pointer, :pointer], :float attach_function :TextBox, :nvgTextBox, [:pointer, :float, :float, :float, :pointer, :pointer], :void attach_function :TextBounds, :nvgTextBounds, [:pointer, :float, :float, :pointer, :pointer, :pointer], :float attach_function :TextBoxBounds, :nvgTextBoxBounds, [:pointer, :float, :float, :float, :pointer, :pointer, :pointer], :void attach_function :TextGlyphPositions, :nvgTextGlyphPositions, [:pointer, :float, :float, :pointer, :pointer, :pointer, :int32], :int32 attach_function :TextMetrics, :nvgTextMetrics, [:pointer, :pointer, :pointer, :pointer], :void attach_function :TextBreakLines, :nvgTextBreakLines, [:pointer, :pointer, :pointer, :float, :pointer, :int32], :int32 # # GL2-specific API (nanovg_gl) # if render_backend == :gl2 attach_function :CreateGL2, :nvgCreateGL2, [:int32], :pointer attach_function :DeleteGL2, :nvgDeleteGL2, [:pointer], :void attach_function :SetupGL2, :nvgSetupGL2, [], :void end # # GL3-specific API (nanovg_gl) # if render_backend == :gl3 attach_function :CreateGL3, :nvgCreateGL3, [:int32], :pointer attach_function :DeleteGL3, :nvgDeleteGL3, [:pointer], :void attach_function :SetupGL3, :nvgSetupGL3, [], :void end @@nanovg_import_done = true end
load_lib(libpath = './libnanovg.dylib', render_backend: :gl2)
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# File lib/nanovg.rb, line 131 def self.load_lib(libpath = './libnanovg.dylib', render_backend: :gl2) ffi_lib_flags :now, :global # to force FFI to access nvgCreateInternal from nvgCreateGL2 ffi_lib libpath import_symbols(render_backend) unless @@nanovg_import_done end