mirror of
https://github.com/darlinghq/darling-cocotron.git
synced 2024-11-23 20:19:40 +00:00
blend modes,stroking support for AGG context
This commit is contained in:
Christopher Lloyd
parent
0d70882b6a
commit
3ec53ba388
@ -1,7 +1,10 @@
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#import <stdlib.h>
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#import "O2Defines_AntiGrain.h"
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#import <Onyx2D/O2Context.h>
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// There are some constructs in Onyx2D which cause compiler crashes with ObjC++
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// So we're just wrapping the AGG calls with straight C until it is sorted out.
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// This might not be needed anymore, marking the ObjC headers with extern "C" seems to work
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#ifdef __cplusplus
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extern "C" {
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@ -22,6 +25,9 @@ void O2AGGContextClipReset(O2AGGContextRef self);
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void O2AGGContextSetDeviceViewport(O2AGGContextRef self,int x,int y,int w,int h);
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void O2AGGContextClipToPath(O2AGGContextRef self,int evenOdd);
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void O2AGGContextSetBlendMode(O2AGGContextRef self,O2BlendMode blendMode);
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void O2AGGContextSetLineWidth(O2AGGContextRef self,float value);
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void O2AGGContextSetLineCap(O2AGGContextRef self,O2LineCap lineCap);
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void O2AGGContextFillPath(O2AGGContextRef self,float r,float g,float b,float a,double xa,double xb,double xc,double xd,double xtx,double xty);
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void O2AGGContextEOFillPath(O2AGGContextRef self,float r,float g,float b,float a,double xa,double xb,double xc,double xd,double xtx,double xty);
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void O2AGGContextStrokePath(O2AGGContextRef self,float r,float g,float b,float a,double xa,double xb,double xc,double xd,double xtx,double xty);
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@ -1,8 +1,7 @@
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#import "O2AGGContext.h"
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#import "O2Defines_AntiGrain.h"
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#import <stdio.h>
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#ifdef ANTIGRAIN_PRESENT
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#import <stdio.h>
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#include <agg_basics.h>
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#include <agg_pixfmt_rgba.h>
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#include <agg_path_storage.h>
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@ -13,63 +12,56 @@
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#include <agg_renderer_scanline.h>
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#include <agg_conv_curve.h>
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#include <agg_conv_stroke.h>
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typedef agg::blender_rgba_pre<agg::rgba8, agg::order_bgra> blender_type_pre;
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typedef agg::pixfmt_alpha_blend_rgba<blender_type_pre, agg::rendering_buffer, agg::int32u> pixfmt_pre;
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#include <agg_conv_adaptor_vcgen.h>
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typedef agg::comp_op_adaptor_rgba<agg::rgba8, agg::order_bgra> blender_type;
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typedef agg::pixfmt_custom_blend_rgba<blender_type, agg::rendering_buffer> pixfmt_type;
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typedef agg::renderer_base<agg::pixfmt_bgra32> renderer_base;
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typedef agg::renderer_base<pixfmt_type> renderer_base;
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struct O2AGGContext {
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agg::rendering_buffer *renderingBuffer;
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agg::pixfmt_bgra32 pixelFormat;
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pixfmt_type *pixelFormat;
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agg::rasterizer_scanline_aa<> *rasterizer;
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renderer_base *ren_base;
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agg::path_storage path;
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agg::path_storage *path;
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float lineWidth;
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int lineCap;
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};
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#else
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struct O2AGGContext {
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int notPresent;
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};
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#endif
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O2AGGContextRef O2AGGContextCreateBGRA32(unsigned char *pixelBytes,size_t width,size_t height,size_t bytesPerRow) {
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O2AGGContextRef self=(O2AGGContextRef)calloc(1,sizeof(struct O2AGGContext));
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self->renderingBuffer=new agg::rendering_buffer(pixelBytes,width,height,bytesPerRow);
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self->pixelFormat.attach(*(self->renderingBuffer));
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self->pixelFormat=new pixfmt_type(*(self->renderingBuffer));
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self->rasterizer=new agg::rasterizer_scanline_aa<>();
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self->ren_base=new renderer_base(self->pixelFormat);
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self->ren_base=new renderer_base(*(self->pixelFormat));
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self->path=new agg::path_storage();
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return self;
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}
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void O2AGGContextBeginPath(O2AGGContextRef self) {
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self->path.remove_all();
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self->path->remove_all();
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}
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void O2AGGContextMoveTo(O2AGGContextRef self,double x,double y) {
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self->path.move_to(x,y);
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self->path->move_to(x,y);
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}
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void O2AGGContextAddLineTo(O2AGGContextRef self,double x,double y) {
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self->path.line_to(x,y);
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self->path->line_to(x,y);
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}
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void O2AGGContextAddCurveToPoint(O2AGGContextRef self,double cp1x,double cp1y,double cp2x,double cp2y,double endx,double endy) {
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self->path.curve4(cp1x,cp1y,cp2x,cp2y,endx,endy);
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self->path->curve4(cp1x,cp1y,cp2x,cp2y,endx,endy);
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}
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void O2AGGContextAddQuadCurveToPoint(O2AGGContextRef self,double cp1x,double cp1y,double endx,double endy) {
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self->path.curve3(cp1x,cp1y,endx,endy);
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self->path->curve3(cp1x,cp1y,endx,endy);
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}
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void O2AGGContextCloseSubpath(O2AGGContextRef self) {
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self->path.end_poly();
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self->path->end_poly();
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}
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void O2AGGContextClipReset(O2AGGContextRef self) {
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@ -83,12 +75,56 @@ void O2AGGContextSetDeviceViewport(O2AGGContextRef self,int x,int y,int w,int h)
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void O2AGGContextClipToPath(O2AGGContextRef self,int evenOdd) {
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}
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void O2AGGContextSetBlendMode(O2AGGContextRef self,O2BlendMode blendMode){
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enum agg::comp_op_e blendModeMap[28]={
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agg::comp_op_src_over,
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agg::comp_op_multiply,
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agg::comp_op_screen,
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agg::comp_op_overlay,
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agg::comp_op_darken,
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agg::comp_op_lighten,
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agg::comp_op_color_dodge,
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agg::comp_op_color_burn,
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agg::comp_op_hard_light,
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agg::comp_op_soft_light,
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agg::comp_op_difference,
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agg::comp_op_exclusion,
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agg::comp_op_src_over, // Hue
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agg::comp_op_src_over, // Saturation
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agg::comp_op_src_over, // Color
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agg::comp_op_src_over, // Luminosity
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agg::comp_op_clear,
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agg::comp_op_src,
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agg::comp_op_src_in,
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agg::comp_op_src_out,
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agg::comp_op_src_atop,
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agg::comp_op_dst_over,
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agg::comp_op_dst_in,
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agg::comp_op_dst_out,
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agg::comp_op_dst_atop,
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agg::comp_op_xor,
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agg::comp_op_plus, // PlusDarker
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agg::comp_op_minus, // PlusLighter
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};
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self->pixelFormat->comp_op(blendModeMap[blendMode]);
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}
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void O2AGGContextSetLineWidth(O2AGGContextRef self,float value){
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self->lineWidth=value;
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}
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void O2AGGContextSetLineCap(O2AGGContextRef self,O2LineCap lineCap) {
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self->lineCap=lineCap;
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}
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void O2AGGContextFillPathWithRule(O2AGGContextRef self,float r,float g,float b,float a,double xa,double xb,double xc,double xd,double xtx,double xty,agg::filling_rule_e fillingRule) {
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agg::scanline_u8 sl;
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agg::trans_affine mtx(xa,xb,xc,xd,xtx,xty);
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agg::conv_curve<agg::path_storage> curve(self->path);
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agg::conv_curve<agg::path_storage> curve(*(self->path));
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agg::conv_transform<agg::conv_curve<agg::path_storage>, agg::trans_affine> trans(curve, mtx);
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curve.approximation_scale(mtx.scale());
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@ -96,8 +132,6 @@ void O2AGGContextFillPathWithRule(O2AGGContextRef self,float r,float g,float b,f
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self->rasterizer->add_path(trans);
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self->rasterizer->filling_rule(fillingRule);
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//self->pixelFormat.comp_op(2);
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agg::render_scanlines_aa_solid(*(self->rasterizer),sl,*(self->ren_base),agg::rgba(r,g,b,a));
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}
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@ -110,15 +144,27 @@ void O2AGGContextEOFillPath(O2AGGContextRef self,float r,float g,float b,float a
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}
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void O2AGGContextStrokePath(O2AGGContextRef self,float r,float g,float b,float a,double xa,double xb,double xc,double xd,double xtx,double xty) {
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agg::scanline_u8 sl;
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agg::trans_affine mtx(xa,xb,xc,xd,xtx,xty);
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agg::conv_stroke<agg::path_storage> stroke(self->path);
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// agg::conv_transform<agg::conv_stroke<agg::path_storage>, agg::trans_affine> trans(stroke, mtx);
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self->rasterizer->add_path(stroke);
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self->rasterizer->filling_rule(agg::fill_non_zero);
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agg::render_scanlines_aa_solid(*(self->rasterizer),sl,*(self->ren_base),agg::rgba(r,g,b,a));
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agg::conv_curve<agg::path_storage> curve(*(self->path));
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agg::conv_stroke<agg::conv_curve<agg::path_storage> > stroke(curve);
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agg::conv_transform<agg::conv_stroke<agg::conv_curve<agg::path_storage> >, agg::trans_affine> trans(stroke, mtx);
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curve.approximation_scale(mtx.scale());
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switch(self->lineCap){
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}
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stroke.width(self->lineWidth);
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self->rasterizer->add_path(trans);
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self->rasterizer->filling_rule(agg::fill_non_zero);
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agg::render_scanlines_aa_solid(*(self->rasterizer),sl,*(self->ren_base),agg::rgba(r,g,b,a));
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}
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#endif
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@ -1,7 +1,6 @@
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#import <Onyx2D/O2Context_builtin_gdi.h>
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#import "O2AGGContext.h"
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@interface O2Context_AntiGrain : O2Context_builtin_gdi {
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O2AGGContextRef _agg;
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}
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@ -7,6 +7,7 @@
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#import "O2AGGContext.h"
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@implementation O2Context_AntiGrain
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#ifdef ANTIGRAIN_PRESENT
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-initWithSurface:(O2Surface *)surface flipped:(BOOL)flipped {
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[super initWithSurface:surface flipped:flipped];
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@ -72,7 +73,10 @@ static void transferPath(O2AGGContextRef agg,O2PathRef path,O2AffineTransform xf
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[super clipToState:clipState];
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O2AGGContextSetDeviceViewport(_agg,_vpx,_vpy,_vpwidth,_vpheight);
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#if 0
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// If we supported path clipping we'd need to do this
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O2GState *gState=O2ContextCurrentGState(self);
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NSArray *phases=[O2GStateClipState(gState) clipPhases];
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int i,count=[phases count];
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@ -102,20 +106,10 @@ static void transferPath(O2AGGContextRef agg,O2PathRef path,O2AffineTransform xf
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}
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}
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#endif
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}
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-(void)drawPath:(O2PathDrawingMode)drawingMode {
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O2GState *gState=O2ContextCurrentGState(self);
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transferPath(_agg,(O2PathRef)_path,O2AffineTransformInvert(gState->_userSpaceTransform));
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O2ColorRef fillColor=O2ColorConvertToDeviceRGB(gState->_fillColor);
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const float *fill=O2ColorGetComponents(fillColor);
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O2ColorRef strokeColor=O2ColorConvertToDeviceRGB(gState->_strokeColor);
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const float *stroke=O2ColorGetComponents(strokeColor);
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O2AffineTransform deviceTransform=gState->_deviceSpaceTransform;
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-(void)drawPath:(O2PathDrawingMode)drawingMode {
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BOOL doFill=NO;
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BOOL doEOFill=NO;
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BOOL doStroke=NO;
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@ -143,25 +137,39 @@ static void transferPath(O2AGGContextRef agg,O2PathRef path,O2AffineTransform xf
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doEOFill=YES;
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doStroke=YES;
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break;
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}
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O2GState *gState=O2ContextCurrentGState(self);
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O2ColorRef fillColor=O2ColorConvertToDeviceRGB(gState->_fillColor);
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const float *fillComps=O2ColorGetComponents(fillColor);
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O2ColorRef strokeColor=O2ColorConvertToDeviceRGB(gState->_strokeColor);
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const float *strokeComps=O2ColorGetComponents(strokeColor);
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O2AGGContextSetBlendMode(_agg,O2GStateBlendMode(gState));
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transferPath(_agg,(O2PathRef)_path,O2AffineTransformInvert(gState->_userSpaceTransform));
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O2AffineTransform deviceTransform=gState->_deviceSpaceTransform;
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if(doFill)
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O2AGGContextFillPath(_agg,fill[0],fill[1],fill[2],fill[3],
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O2AGGContextFillPath(_agg,fillComps[0],fillComps[1],fillComps[2],fillComps[3],
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deviceTransform.a,deviceTransform.b,deviceTransform.c,deviceTransform.d,deviceTransform.tx,deviceTransform.ty);
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if(doEOFill)
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O2AGGContextEOFillPath(_agg,fill[0],fill[1],fill[2],fill[3],
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O2AGGContextEOFillPath(_agg,fillComps[0],fillComps[1],fillComps[2],fillComps[3],
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deviceTransform.a,deviceTransform.b,deviceTransform.c,deviceTransform.d,deviceTransform.tx,deviceTransform.ty);
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if(doStroke)
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O2AGGContextStrokePath(_agg,stroke[0],stroke[1],stroke[2],stroke[3],
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if(doStroke){
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O2AGGContextSetLineWidth(_agg,gState->_lineWidth);
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O2AGGContextStrokePath(_agg,strokeComps[0],strokeComps[1],strokeComps[2],strokeComps[3],
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deviceTransform.a,deviceTransform.b,deviceTransform.c,deviceTransform.d,deviceTransform.tx,deviceTransform.ty);
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O2ColorRelease(fillColor);
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O2ColorRelease(strokeColor);
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}
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O2ColorRelease(fillColor);
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O2ColorRelease(strokeColor);
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O2PathReset(_path);
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}
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#endif
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@end
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@ -9,8 +9,8 @@
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/* Begin PBXBuildFile section */
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8D576314048677EA00EA77CD /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 0AA1909FFE8422F4C02AAC07 /* Foundation.framework */; };
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8D5B49A804867FD3000E48DA /* InfoPlist.strings in Resources */ = {isa = PBXBuildFile; fileRef = 8D5B49A704867FD3000E48DA /* InfoPlist.strings */; };
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FE5C8314121D81470063E96F /* O2Context_AntiGrain.m in Sources */ = {isa = PBXBuildFile; fileRef = FE5C8313121D81470063E96F /* O2Context_AntiGrain.m */; };
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FEB99C471382CDFE0072F784 /* O2AGGContext.cpp in Sources */ = {isa = PBXBuildFile; fileRef = FEB99C461382CDFE0072F784 /* O2AGGContext.cpp */; };
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FE5C8314121D81470063E96F /* O2Context_AntiGrain.mm in Sources */ = {isa = PBXBuildFile; fileRef = FE5C8313121D81470063E96F /* O2Context_AntiGrain.mm */; };
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FEB99C471382CDFE0072F784 /* O2AGGContext.mm in Sources */ = {isa = PBXBuildFile; fileRef = FEB99C461382CDFE0072F784 /* O2AGGContext.mm */; };
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FEE163EA137C6DAD00B2F340 /* AppKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = FEE163E9137C6DAD00B2F340 /* AppKit.framework */; };
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/* End PBXBuildFile section */
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@ -77,9 +77,9 @@
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8D576316048677EA00EA77CD /* O2Context_AntiGrain.cgContext */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = O2Context_AntiGrain.cgContext; sourceTree = BUILT_PRODUCTS_DIR; };
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8D576317048677EA00EA77CD /* Info.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
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FE5C8312121D81470063E96F /* O2Context_AntiGrain.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = O2Context_AntiGrain.h; sourceTree = "<group>"; };
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FE5C8313121D81470063E96F /* O2Context_AntiGrain.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = O2Context_AntiGrain.m; sourceTree = "<group>"; };
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FE5C8313121D81470063E96F /* O2Context_AntiGrain.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = O2Context_AntiGrain.mm; sourceTree = "<group>"; };
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FEB99C451382CDFE0072F784 /* O2AGGContext.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = O2AGGContext.h; sourceTree = "<group>"; };
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FEB99C461382CDFE0072F784 /* O2AGGContext.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = O2AGGContext.cpp; sourceTree = "<group>"; };
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FEB99C461382CDFE0072F784 /* O2AGGContext.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = O2AGGContext.mm; sourceTree = "<group>"; };
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FEE163E9137C6DAD00B2F340 /* AppKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = AppKit.framework; path = /System/Library/Frameworks/AppKit.framework; sourceTree = "<absolute>"; };
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FEE163EC137C6DC600B2F340 /* AppKit.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = AppKit.xcodeproj; path = ../AppKit/AppKit.xcodeproj; sourceTree = SOURCE_ROOT; };
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/* End PBXFileReference section */
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@ -102,12 +102,12 @@
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children = (
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FEE163EC137C6DC600B2F340 /* AppKit.xcodeproj */,
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||||
FE5C8312121D81470063E96F /* O2Context_AntiGrain.h */,
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FE5C8313121D81470063E96F /* O2Context_AntiGrain.m */,
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FE5C8313121D81470063E96F /* O2Context_AntiGrain.mm */,
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089C167CFE841241C02AAC07 /* Resources */,
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089C1671FE841209C02AAC07 /* External Frameworks and Libraries */,
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||||
19C28FB6FE9D52B211CA2CBB /* Products */,
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FEB99C451382CDFE0072F784 /* O2AGGContext.h */,
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||||
FEB99C461382CDFE0072F784 /* O2AGGContext.cpp */,
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||||
FEB99C461382CDFE0072F784 /* O2AGGContext.mm */,
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||||
);
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||||
name = O2Context_AntiGrain;
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sourceTree = "<group>";
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||||
@ -276,8 +276,8 @@
|
||||
isa = PBXSourcesBuildPhase;
|
||||
buildActionMask = 2147483647;
|
||||
files = (
|
||||
FE5C8314121D81470063E96F /* O2Context_AntiGrain.m in Sources */,
|
||||
FEB99C471382CDFE0072F784 /* O2AGGContext.cpp in Sources */,
|
||||
FE5C8314121D81470063E96F /* O2Context_AntiGrain.mm in Sources */,
|
||||
FEB99C471382CDFE0072F784 /* O2AGGContext.mm in Sources */,
|
||||
);
|
||||
runOnlyForDeploymentPostprocessing = 0;
|
||||
};
|
||||
@ -337,10 +337,10 @@
|
||||
EXECUTABLE_SUFFIX = .1.0.dll;
|
||||
FRAMEWORK_SEARCH_PATHS = /Developer/Cocotron/1.0/Windows/i386/Frameworks;
|
||||
GCC_MODEL_TUNING = G5;
|
||||
HEADER_SEARCH_PATHS = "/Developer/Cocotron/1.0/Windows/i386/agg-2.5/include/";
|
||||
HEADER_SEARCH_PATHS = "/Developer/Cocotron/1.0/Windows/i386/agg-2.4/include/";
|
||||
INFOPLIST_FILE = Info.plist;
|
||||
INSTALL_PATH = /Developer/Cocotron/1.0/Windows/i386/Frameworks/AppKit.framework/Resources;
|
||||
LIBRARY_SEARCH_PATHS = "/Developer/Cocotron/1.0/Windows/i386/agg-2.5";
|
||||
LIBRARY_SEARCH_PATHS = "/Developer/Cocotron/1.0/Windows/i386/agg-2.4";
|
||||
OTHER_CFLAGS = "-D__LITTLE_ENDIAN__";
|
||||
OTHER_LDFLAGS = (
|
||||
"-static",
|
||||
|
||||
@ -141,6 +141,7 @@ void O2GStateSetMiterLimit(O2GState *self,float limit);
|
||||
void O2GStateSetLineDash(O2GState *self,float phase,const float *lengths,unsigned count);
|
||||
|
||||
-(void)setRenderingIntent:(O2ColorRenderingIntent)intent;
|
||||
O2BlendMode O2GStateBlendMode(O2GState *self);
|
||||
void O2GStateSetBlendMode(O2GState *self,O2BlendMode mode);
|
||||
|
||||
-(void)setFlatness:(float)flatness;
|
||||
|
||||
@ -383,6 +383,10 @@ void O2GStateSetLineDash(O2GState *self,float phase,const float *lengths,unsigne
|
||||
_renderingIntent=intent;
|
||||
}
|
||||
|
||||
O2BlendMode O2GStateBlendMode(O2GState *self) {
|
||||
return self->_blendMode;
|
||||
}
|
||||
|
||||
void O2GStateSetBlendMode(O2GState *self,O2BlendMode mode){
|
||||
self->_blendMode=mode;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user