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added license
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‎COPYING

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‎example/src/testApp.h

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class testApp : public ofBaseApp
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{
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public:
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void setup();
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void update();
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void draw();
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void gotMessage(ofMessage msg);
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private:
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ofPtr<ofBaseRenderer> _defaultRenderer;
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ofPtr<ofxShivaVGRenderer> _shivaVGRenderer;
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‎libs/ShivaVG/AUTHORS

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===============================================================================
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ShivaVG - an open-source LGPL ANSI C implementation of the OpenVG specification
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===============================================================================
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Lead developer:
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Ivan Leben <[email protected]>
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Occasional patches:
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Daniel Turing
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Vincenzo Pupillo

‎libs/ShivaVG/COPYING

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‎libs/ShivaVG/NEWS

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version 0.2.0 (20 Jan 2008):
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* Fixed a bug where rotation in the paint-to-user matrix broke radial
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gradient fill.
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* vgCreateContextSH interface changed to allow for specification of
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surface width and height
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* new extension: vgResizeSurfaceSH to be called whenever the surface
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needs to be resized to match the new window size
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* #define GL_GLEXT_LEGACY in shExtensions.h prior to including gl.h
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so it doesn't include glext.h automatically, which enables us to
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check for OpenGL version and define OpenGL extension functions
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manually.
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* Optimized image uploading by replacing the call to gluBuild2DMipmaps
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with glTexImage2D and changing the filter used to GL_LINEAR
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* Added detection of ARB_texture_non_power_of_two extension to upload
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rectangular images directly instead of scaling them and loosing
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precision
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* Pattern paint implemented
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* Include folder changed to "vg" (lowercase)
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* Added a message to test_blend program to notify the user that it
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has not been implemented yet (black screen is therefore fine)
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* All the calls to glLoadMatrix replaced with glPushMatrix,
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glMultMatrix, glPopMatrix.
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* Replaced images used in example programs for royalty-free
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* README file written

‎libs/ShivaVG/README

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ShivaVG
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=============================
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See AUTHORS for the list of contributors
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ShivaVG is an open-source LGPL ANSI C implementation of the Khronos
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Group OpenVG specification.
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I. BUILD
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II. TESTING
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III. IMPLEMENTATION STATUS
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IV. EXTENSIONS
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I. BUILD
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=============================
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* Prerequisites:
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OpenGL development libraries and headers should be installed.
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Othe than that, since it's ANSI C should compile with any modern
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C compiler. jpeglib needs to be installed for example programs
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that use images.
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* Compiling under UNIX systems:
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First run ./autogen.sh script to generate the required makefiles.
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Read the INSTALL file for more detailed (though generic) directions.
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This library uses the standard ./configure ; make. The example
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programs are automatically compiled. However, compilation of each
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example program can be toggled by ./configure --with-example-xxx
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command where xxx denotes the name of the example. Run ./configure
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--help for a list of such options.
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* Compiling on Mac:
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No XCode project files provided yet. The easiest way is by just
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using gcc, in which case look under UNIX compiling section.
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* Compiling natively on Windows platform:
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Solution files are provided for Visual C++ version 7 and 8. For
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the example programs using images to compile, you will need the
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appropriate build of jpeglib to match your Visual C++ version.
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* Compiling in mingw / cygwin environment:
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Might work just as fine as any UNIX-flavored system, but hasn't
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been tested yet.
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II. TESTING
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=============================
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There is no real testing suite yet. The example programs are there
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just to play with what the implementation can currently do, but
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can hardly provide any proper validation, since no reference images
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are provided. Here is a description of each example program and
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what features it highlights:
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* test_vgu
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Constructs some path primitives using the VGU API.
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* test_tiger
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The most simple performance test. It draws the well known svg
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tiger using just simple stroke and fill of solid colors. It
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consists of 240 paths.
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* test_dash
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Shows different stroke dashing modes.
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* test_linear
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A rectangle drawn using 3-color linear gradient fill paint
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* test_radial
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A rectangle drawn using 3-color radial gradient fill paint
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* test_interpolate
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Interpolates between two paths - an apple and a pear.
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* test_image
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Images are drawn using VG_DRAW_IMAGE_MULTIPLY image mode to be
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multiplied with radial gradient fill paint.
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* test_pattern
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An image is drawn in multiply mode with an image pattern fill
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paint.
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III. IMPLEMENTATION STATUS
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=============================
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Khronos states in the OpenVG specification, that the contexts for all
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their client APIs are expected to be created via the EGL API. Since
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EGL to use with ShivaVG has not been implemented yet, there is a set
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of extension functions provided for the task of creating, maintaining
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and destroying the OpenVG context. (See next section EXTENSIONS for
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details.)
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What follows is a description of which functions or to what extent
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a certain function has been implemented. When a function is marked
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as PARTIALLY implemented, the TODO file or the comments in the code
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itself would provide further clues.
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* General:
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vgGetError ............................ FULLY implemented
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vgFlush ............................... FULLY implemented
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vgFinish .............................. FULLY implemented
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* Getters and setters:
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vgSet ................................. FULLY implemented
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vgSeti ................................ FULLY implemented
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vgSetfv ............................... FULLY implemented
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vgSetiv ............................... FULLY implemented
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vgGetf ................................ FULLY implemented
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vgGeti ................................ FULLY implemented
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vgGetVectorSize ....................... FULLY implemented
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vgGetfv ............................... FULLY implemented
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vgGetiv ............................... FULLY implemented
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vgSetParameterf ....................... FULLY implemented
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vgSetParameteri ....................... FULLY implemented
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vgSetParameterfv ...................... FULLY implemented
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vgSetParameteriv ...................... FULLY implemented
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vgGetParameterf ....................... FULLY implemented
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vgGetParameteri ....................... FULLY implemented
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vgGetParameterVectorSize............... FULLY implemented
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vgGetParameterfv ...................... FULLY implemented
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vgGetParameteriv ...................... FULLY implemented
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* Matrix Manipulation:
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vgLoadIdentity ........................ FULLY implemented
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vgLoadMatrix .......................... FULLY implemented
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vgGetMatrix ........................... FULLY implemented
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vgMultMatrix .......................... FULLY implemented
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vgTranslate ........................... FULLY implemented
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vgScale ............................... FULLY implemented
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vgShear ............................... FULLY implemented
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vgRotate .............................. FULLY implemented
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* Masking and Clearing:
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vgMask ................................ NOT implemented
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vgClear ............................... FULLY implemented
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* Paths:
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vgCreatePath .......................... FULLY implemented
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vgClearPath ........................... FULLY implemented
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vgDestroyPath ......................... FULLY implemented
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vgRemovePathCapabilities .............. FULLY implemented
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vgGetPathCapabilities ................. FULLY implemented
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vgAppendPath .......................... FULLY implemented
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vgAppendPathData ...................... FULLY implemented
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vgModifyPathCoords .................... FULLY implemented
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vgTransformPath ....................... FULLY implemented
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vgInterpolatePath ..................... FULLY implemented
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vgPathLength .......................... NOT implemented
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vgPointAlongPath ...................... NOT implemented
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vgPathBounds .......................... FULLY implemented
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vgPathTransformedBounds ............... FULLY implemented
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vgDrawPath ............................ PARTIALLY implemented
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* Paint:
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vgCreatePaint ......................... FULLY implemented
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vgDestroyPaint ........................ FULLY implemented
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vgSetPaint ............................ FULLY implemented
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vgGetPaint ............................ FULLY implemented
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vgSetColor ............................ FULLY implemented
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vgGetColor ............................ FULLY implemented
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vgPaintPattern ........................ FULLY implemented
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* Images:
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vgCreateImage ......................... PARTIALLY implemented
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vgDestroyImage ........................ FULLY implemented
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vgClearImage .......................... FULLY implemented
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vgImageSubData ........................ PARTIALLY implemented
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vgGetImageSubData ..................... PARTIALLY implemented
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vgChildImage .......................... NOT implemented
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vgGetParent ........................... NOT implemented
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vgCopyImage ........................... FULLY implemented
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vgDrawImage ........................... PARTIALLY implemented
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vgSetPixels ........................... FULLY implemented
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vgWritePixels ......................... FULLY implemented
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vgGetPixels ........................... FULLY implemented
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vgReadPixels .......................... FULLY implemented
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vgCopyPixels .......................... FULLY implemented
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* Image Filters:
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vgColorMatrix ......................... NOT implemented
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vgConvolve ............................ NOT implemented
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vgSeparableConvolve ................... NOT implemented
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vgGaussianBlur ........................ NOT implemented
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vgLookup .............................. NOT implemented
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vgLookupSingle ........................ NOT implemented
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* Hardware Queries:
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vgHardwareQuery ....................... NOT implemented
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* Renderer and Extension Information:
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vgGetString ........................... FULLY implemented
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* VGU
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vguLine ............................... FULLY implemented
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vguPolygon ............................ FULLY implemented
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vguRect ............................... FULLY implemented
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vguRoundRect .......................... FULLY implemented
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vguEllipse ............................ FULLY implemented
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vguArc ................................ FULLY implemented
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vguComputeWarpQuadToSquare ............ NOT implemented
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vguComputeWarpSquareToQuad ............ NOT implemented
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vguComputeWarpQuadToQuad .............. NOT implemented
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IV. EXTENSIONS
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=============================
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There are three extensions to the API that manipulate the OpenVG
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context as a temporary replacement for EGL:
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VGboolean vgCreateContextSH(VGint width, VGint height)
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Creates an OpenVG context on top of an existing OpenGL context
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that should have been manually initialized by the user of the
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library. Width and height specify the size of the rendering
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surface. No multi-threading support has been implemented yet.
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The context is created once per process.
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void vgResizeSurfaceSH(VGint width, VGint height)
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Should be called whenever the size of the surface changes (e.g.
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the owner window of the OpenGL context is resized).
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void vgDestroyContextSH()
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Destroys the OpenVG context associated with the calling process.

‎src/ofxShivaVGRenderer.cpp

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//
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// ofxShivaVGRenderer.cpp
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// ofxShivaVGRendererTest
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//
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// Created by Staal, Bjørn Gunnar (OSL-SDG) on 07.05.13.
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//
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//
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/*
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* ofxShivaVGRenderer
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* a 2d renderer for openFrameworks based on the ShivaVG library
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* by Bjørn Gunnar Staal
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library in the file COPYING;
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* if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include "ofxShivaVGRenderer.h"
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#include "vgu.h"

‎src/ofxShivaVGRenderer.h

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//
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// ofxShivaVGRenderer.h
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// ofxShivaVGRendererTest
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//
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// Created by Staal, Bjørn Gunnar (OSL-SDG) on 07.05.13.
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//
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//
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/*
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* ofxShivaVGRenderer
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* a 2d renderer for openFrameworks based on the ShivaVG library
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* by Bjørn Gunnar Staal
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library in the file COPYING;
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* if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifndef __ofxShivaVGRendererTest__ofxShivaVGRenderer__
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#define __ofxShivaVGRendererTest__ofxShivaVGRenderer__
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#ifndef __ofxShivaVGRenderer__ofxShivaVGRenderer__
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#define __ofxShivaVGRenderer__ofxShivaVGRenderer__
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#include "ofMain.h"
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#include "simpleVGContext.h"
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};
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#endif /* defined(__ofxShivaVGRendererTest__ofxShivaVGRenderer__) */
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#endif

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