void SHPaint_ctor(SHPaint *p)
{
int i;
p->type = VG_PAINT_TYPE_COLOR;
CSET(p->color, 0,0,0,1);
SH_INITOBJ(SHStopArray, p->instops);
SH_INITOBJ(SHStopArray, p->stops);
p->premultiplied = VG_FALSE;
p->spreadMode = VG_COLOR_RAMP_SPREAD_PAD;
p->tilingMode = VG_TILE_FILL;
for (i=0; i<4; ++i) p->linearGradient[i] = 0.0f;
for (i=0; i<5; ++i) p->radialGradient[i] = 0.0f;
p->pattern = VG_INVALID_HANDLE;
glGenTextures(1, &p->texture);
glBindTexture(GL_TEXTURE_1D, p->texture);
glTexImage1D(GL_TEXTURE_1D, 0, GL_RGBA, SH_GRADIENT_TEX_SIZE, 0,
GL_RGBA, GL_FLOAT, NULL);
}
void VGContext_ctor(VGContext *c)
{
/* Surface info */
c->surfaceWidth = 0;
c->surfaceHeight = 0;
/* GetString info */
strncpy(c->vendor, "Ivan Leben", sizeof(c->vendor));
strncpy(c->renderer, "ShivaVG 0.1.0", sizeof(c->renderer));
strncpy(c->version, "1.0", sizeof(c->version));
strncpy(c->extensions, "", sizeof(c->extensions));
/* Mode settings */
c->matrixMode = VG_MATRIX_PATH_USER_TO_SURFACE;
c->fillRule = VG_EVEN_ODD;
c->imageQuality = VG_IMAGE_QUALITY_FASTER;
c->renderingQuality = VG_RENDERING_QUALITY_BETTER;
c->blendMode = VG_BLEND_SRC_OVER;
c->imageMode = VG_DRAW_IMAGE_NORMAL;
/* Scissor rectangles */
SH_INITOBJ(SHRectArray, c->scissor);
c->scissoring = VG_FALSE;
c->masking = VG_FALSE;
/* Stroke parameters */
c->strokeLineWidth = 1.0f;
c->strokeCapStyle = VG_CAP_BUTT;
c->strokeJoinStyle = VG_JOIN_MITER;
c->strokeMiterLimit = 4.0f;
c->strokeDashPhase = 0.0f;
c->strokeDashPhaseReset = VG_FALSE;
SH_INITOBJ(SHFloatArray, c->strokeDashPattern);
/* Edge fill color for vgConvolve and pattern paint */
CSET(c->tileFillColor, 0,0,0,0);
/* Color for vgClear */
CSET(c->clearColor, 0,0,0,0);
/* Color components layout inside pixel */
c->pixelLayout = VG_PIXEL_LAYOUT_UNKNOWN;
/* Source format for image filters */
c->filterFormatLinear = VG_FALSE;
c->filterFormatPremultiplied = VG_FALSE;
c->filterChannelMask = VG_RED|VG_GREEN|VG_BLUE|VG_ALPHA;
/* Matrices */
SH_INITOBJ(SHMatrix3x3, c->pathTransform);
SH_INITOBJ(SHMatrix3x3, c->imageTransform);
SH_INITOBJ(SHMatrix3x3, c->fillTransform);
SH_INITOBJ(SHMatrix3x3, c->strokeTransform);
/* Paints */
c->fillPaint = NULL;
c->strokePaint = NULL;
SH_INITOBJ(SHPaint, c->defaultPaint);
/* Error */
c->error = VG_NO_ERROR;
/* Resources */
SH_INITOBJ(SHPathArray, c->paths);
SH_INITOBJ(SHPaintArray, c->paints);
SH_INITOBJ(SHImageArray, c->images);
shLoadExtensions(c);
}
