mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-26 22:09:43 +03:00
138d0754c9
browsing. svn path=/trunk/netsurf/; revision=9496
782 lines
18 KiB
C
Executable File
782 lines
18 KiB
C
Executable File
/*
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* Copyright 2008,2009 Chris Young <chris@unsatisfactorysoftware.co.uk>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "amiga/plotters.h"
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#include "amiga/bitmap.h"
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#include "amiga/font.h"
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#include <proto/Picasso96API.h>
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#include <intuition/intuition.h>
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#include <graphics/rpattr.h>
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#include <graphics/gfxmacros.h>
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#include "amiga/utf8.h"
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#include "amiga/options.h"
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#include <graphics/blitattr.h>
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#include <graphics/composite.h>
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#include "utils/log.h"
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#include <math.h>
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#include <assert.h>
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#include <proto/exec.h>
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#include "amiga/gui.h"
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#include "utils/utils.h"
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static void ami_bitmap_tile_hook(struct Hook *hook,struct RastPort *rp,struct BackFillMessage *bfmsg);
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struct bfbitmap {
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struct BitMap *bm;
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ULONG width;
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ULONG height;
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int offsetx;
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int offsety;
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};
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#ifndef M_PI /* For some reason we don't always get this from math.h */
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#define M_PI 3.14159265358979323846
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#endif
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#ifdef NS_AMIGA_CAIRO
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#include <cairo/cairo.h>
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#include <cairo/cairo-amigaos.h>
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#endif
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#define PATT_DOT 0xAAAA
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#define PATT_DASH 0xCCCC
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#define PATT_LINE 0xFFFF
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struct plotter_table plot;
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const struct plotter_table amiplot = {
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.rectangle = ami_rectangle,
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.line = ami_line,
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.polygon = ami_polygon,
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.clip = ami_clip,
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.text = ami_text,
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.disc = ami_disc,
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.arc = ami_arc,
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.bitmap = ami_bitmap_tile,
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.path = ami_path,
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.option_knockout = true,
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};
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#ifdef NS_AMIGA_CAIRO
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void ami_cairo_set_colour(cairo_t *cr,colour c)
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{
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int r, g, b;
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r = c & 0xff;
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g = (c & 0xff00) >> 8;
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b = (c & 0xff0000) >> 16;
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cairo_set_source_rgba(glob->cr, r / 255.0,
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g / 255.0, b / 255.0, 1.0);
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}
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void ami_cairo_set_solid(cairo_t *cr)
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{
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double dashes = 0;
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cairo_set_dash(glob->cr, &dashes, 0, 0);
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}
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void ami_cairo_set_dotted(cairo_t *cr)
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{
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double cdashes = 1;
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cairo_set_dash(glob->cr, &cdashes, 1, 0);
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}
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void ami_cairo_set_dashed(cairo_t *cr)
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{
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double cdashes = 3;
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cairo_set_dash(glob->cr, &cdashes, 1, 0);
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}
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#endif
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void ami_init_layers(struct gui_globals *gg, ULONG width, ULONG height)
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{
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/* init shared bitmaps *
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* Height is set to screen width to give enough space for thumbnails *
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* Also applies to the further gfx/layers functions and memory below */
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if(!width) width = scrn->Width;
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if(!height) height = scrn->Width;
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gg->scale = 1.0;
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gg->layerinfo = NewLayerInfo();
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gg->areabuf = AllocVec(100,MEMF_PRIVATE | MEMF_CLEAR);
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gg->tmprasbuf = AllocVec(width*height,MEMF_PRIVATE | MEMF_CLEAR);
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gg->bm = p96AllocBitMap(width, height, 32,
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BMF_INTERLEAVED, NULL, RGBFB_A8R8G8B8);
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if(!gg->bm) warn_user("NoMemory","");
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InitRastPort(&gg->rp);
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gg->rp.BitMap = gg->bm;
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SetDrMd(&gg->rp,BGBACKFILL);
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gg->rp.Layer = CreateUpfrontLayer(gg->layerinfo,gg->rp.BitMap,0,0,
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width-1, height-1, LAYERSIMPLE, NULL);
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InstallLayerHook(gg->rp.Layer,LAYERS_NOBACKFILL);
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gg->rp.AreaInfo = AllocVec(sizeof(struct AreaInfo),MEMF_PRIVATE | MEMF_CLEAR);
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if((!gg->areabuf) || (!gg->rp.AreaInfo)) warn_user("NoMemory","");
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InitArea(gg->rp.AreaInfo,gg->areabuf,100/5);
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gg->rp.TmpRas = AllocVec(sizeof(struct TmpRas),MEMF_PRIVATE | MEMF_CLEAR);
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if((!gg->tmprasbuf) || (!gg->rp.TmpRas)) warn_user("NoMemory","");
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InitTmpRas(gg->rp.TmpRas, gg->tmprasbuf, width*height);
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#ifdef NS_AMIGA_CAIRO
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gg->surface = cairo_amigaos_surface_create(gg->rp.BitMap);
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gg->cr = cairo_create(gg->surface);
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#endif
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}
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void ami_free_layers(struct gui_globals *gg)
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{
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#ifdef NS_AMIGA_CAIRO
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cairo_destroy(gg->cr);
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cairo_surface_destroy(gg->surface);
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#endif
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DeleteLayer(0,gg->rp.Layer);
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FreeVec(gg->rp.TmpRas);
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FreeVec(gg->rp.AreaInfo);
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DisposeLayerInfo(gg->layerinfo);
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p96FreeBitMap(gg->bm);
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FreeVec(gg->tmprasbuf);
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FreeVec(gg->areabuf);
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}
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bool ami_clg(colour c)
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{
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p96RectFill(&glob->rp,0,0,scrn->Width-1,scrn->Width-1,
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p96EncodeColor(RGBFB_A8B8G8R8,c));
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/*
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SetRPAttrs(&glob->rp,RPTAG_BPenColor,p96EncodeColor(RGBFB_A8B8G8R8,c),
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TAG_DONE);
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Move(&glob->rp,0,0);
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ClearScreen(&glob->rp);
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*/
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return true;
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}
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void ami_clearclipreg(struct gui_globals *gg)
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{
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struct Region *reg = NULL;
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reg = InstallClipRegion(gg->rp.Layer,NULL);
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if(reg) DisposeRegion(reg);
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gg->rect.MinX = 0;
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gg->rect.MinY = 0;
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gg->rect.MaxX = scrn->Width-1;
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gg->rect.MaxY = scrn->Height-1;
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}
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bool ami_rectangle(int x0, int y0, int x1, int y1, const plot_style_t *style)
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{
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if (style->fill_type != PLOT_OP_TYPE_NONE) {
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#ifndef NS_AMIGA_CAIRO_ALL
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p96RectFill(&glob->rp,x0,y0,x1-1,y1-1,
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p96EncodeColor(RGBFB_A8B8G8R8, style->fill_colour));
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#else
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ami_cairo_set_colour(glob->cr, style->fill_colour);
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ami_cairo_set_solid(glob->cr);
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cairo_set_line_width(glob->cr, 0);
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cairo_rectangle(glob->cr, x0, y0, x1 - x0, y1 - y0);
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cairo_fill(glob->cr);
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cairo_stroke(glob->cr);
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#endif
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}
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if (style->stroke_type != PLOT_OP_TYPE_NONE) {
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#ifndef NS_AMIGA_CAIRO_ALL
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glob->rp.PenWidth = style->stroke_width;
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glob->rp.PenHeight = style->stroke_width;
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switch (style->stroke_type) {
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case PLOT_OP_TYPE_SOLID: /**< Solid colour */
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default:
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glob->rp.LinePtrn = PATT_LINE;
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break;
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case PLOT_OP_TYPE_DOT: /**< Doted plot */
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glob->rp.LinePtrn = PATT_DOT;
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break;
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case PLOT_OP_TYPE_DASH: /**< dashed plot */
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glob->rp.LinePtrn = PATT_DASH;
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break;
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}
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SetRPAttrs(&glob->rp,
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RPTAG_APenColor,
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p96EncodeColor(RGBFB_A8B8G8R8, style->stroke_colour),
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TAG_DONE);
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Move(&glob->rp, x0,y0);
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Draw(&glob->rp, x1, y0);
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Draw(&glob->rp, x1, y1);
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Draw(&glob->rp, x0, y1);
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Draw(&glob->rp, x0, y0);
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glob->rp.PenWidth = 1;
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glob->rp.PenHeight = 1;
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glob->rp.LinePtrn = PATT_LINE;
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#else
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ami_cairo_set_colour(glob->cr, style->stroke_colour);
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switch (style->stroke_type) {
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case PLOT_OP_TYPE_SOLID: /**< Solid colour */
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default:
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ami_cairo_set_solid(glob->cr);
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break;
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case PLOT_OP_TYPE_DOT: /**< Doted plot */
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ami_cairo_set_dotted(glob->cr);
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break;
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case PLOT_OP_TYPE_DASH: /**< dashed plot */
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ami_cairo_set_dashed(glob->cr);
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break;
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}
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if (style->stroke_width == 0)
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cairo_set_line_width(glob->cr, 1);
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else
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cairo_set_line_width(glob->cr, style->stroke_width);
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cairo_rectangle(glob->cr, x0, y0, x1 - x0, y1 - y0);
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cairo_stroke(glob->cr);
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#endif
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}
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return true;
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}
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bool ami_line(int x0, int y0, int x1, int y1, const plot_style_t *style)
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{
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#ifndef NS_AMIGA_CAIRO_ALL
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glob->rp.PenWidth = style->stroke_width;
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glob->rp.PenHeight = style->stroke_width;
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switch (style->stroke_type) {
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case PLOT_OP_TYPE_SOLID: /**< Solid colour */
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default:
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glob->rp.LinePtrn = PATT_LINE;
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break;
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case PLOT_OP_TYPE_DOT: /**< Doted plot */
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glob->rp.LinePtrn = PATT_DOT;
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break;
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case PLOT_OP_TYPE_DASH: /**< dashed plot */
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glob->rp.LinePtrn = PATT_DASH;
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break;
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}
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SetRPAttrs(&glob->rp,
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RPTAG_APenColor,
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p96EncodeColor(RGBFB_A8B8G8R8, style->stroke_colour),
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TAG_DONE);
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Move(&glob->rp,x0,y0);
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Draw(&glob->rp,x1,y1);
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glob->rp.PenWidth = 1;
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glob->rp.PenHeight = 1;
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glob->rp.LinePtrn = PATT_LINE;
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#else
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ami_cairo_set_colour(glob->cr, style->stroke_colour);
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switch (style->stroke_type) {
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case PLOT_OP_TYPE_SOLID: /**< Solid colour */
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default:
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ami_cairo_set_solid(glob->cr);
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break;
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case PLOT_OP_TYPE_DOT: /**< Doted plot */
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ami_cairo_set_dotted(glob->cr);
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break;
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case PLOT_OP_TYPE_DASH: /**< dashed plot */
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ami_cairo_set_dashed(glob->cr);
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break;
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}
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if (style->stroke_width == 0)
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cairo_set_line_width(glob->cr, 1);
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else
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cairo_set_line_width(glob->cr, style->stroke_width);
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cairo_move_to(glob->cr, x0 + 0.5, y0 + 0.5);
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cairo_line_to(glob->cr, x1 + 0.5, y1 + 0.5);
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cairo_stroke(glob->cr);
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#endif
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return true;
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}
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bool ami_polygon(const int *p, unsigned int n, const plot_style_t *style)
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{
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int k;
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#ifndef NS_AMIGA_CAIRO
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ULONG cx,cy;
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SetRPAttrs(&glob->rp,
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RPTAG_APenColor,
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p96EncodeColor(RGBFB_A8B8G8R8, style->fill_colour),
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RPTAG_OPenColor,
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p96EncodeColor(RGBFB_A8B8G8R8, style->fill_colour),
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// RPTAG_OPenColor,0xffffffff,
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TAG_DONE);
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AreaMove(&glob->rp,p[0],p[1]);
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for(k=1;k<n;k++)
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{
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AreaDraw(&glob->rp,p[k*2],p[(k*2)+1]);
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}
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AreaEnd(&glob->rp);
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BNDRYOFF(&glob->rp);
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#else
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ami_cairo_set_colour(glob->cr, style->fill_colour);
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ami_cairo_set_solid(glob->cr);
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cairo_set_line_width(glob->cr, 0);
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cairo_move_to(glob->cr, p[0], p[1]);
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for (k = 1; k != n; k++) {
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cairo_line_to(glob->cr, p[k * 2], p[k * 2 + 1]);
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}
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cairo_fill(glob->cr);
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cairo_stroke(glob->cr);
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#endif
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return true;
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}
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bool ami_clip(int x0, int y0, int x1, int y1)
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{
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struct Region *reg = NULL;
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if(glob->rp.Layer)
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{
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reg = NewRegion();
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glob->rect.MinX = x0;
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glob->rect.MinY = y0;
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glob->rect.MaxX = x1-1;
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glob->rect.MaxY = y1-1;
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OrRectRegion(reg,&glob->rect);
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reg = InstallClipRegion(glob->rp.Layer,reg);
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if(reg) DisposeRegion(reg);
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}
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#ifdef NS_AMIGA_CAIRO_ALL
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cairo_reset_clip(glob->cr);
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cairo_rectangle(glob->cr, x0, y0, x1 - x0, y1 - y0);
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cairo_clip(glob->cr);
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#endif
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return true;
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}
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bool ami_text(int x, int y, const char *text, size_t length,
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const plot_font_style_t *fstyle)
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{
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ami_unicode_text(&glob->rp,text,length,fstyle,x,y);
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return true;
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}
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bool ami_disc(int x, int y, int radius, const plot_style_t *style)
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{
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#ifndef NS_AMIGA_CAIRO_ALL
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if (style->fill_type != PLOT_OP_TYPE_NONE) {
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SetRPAttrs(&glob->rp,
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RPTAG_APenColor,
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p96EncodeColor(RGBFB_A8B8G8R8, style->fill_colour),
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TAG_DONE);
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AreaCircle(&glob->rp,x,y,radius);
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AreaEnd(&glob->rp);
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}
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if (style->stroke_type != PLOT_OP_TYPE_NONE) {
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SetRPAttrs(&glob->rp,
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RPTAG_APenColor,
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p96EncodeColor(RGBFB_A8B8G8R8, style->stroke_colour),
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TAG_DONE);
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DrawEllipse(&glob->rp,x,y,radius,radius);
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}
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#else
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if (style->fill_type != PLOT_OP_TYPE_NONE) {
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ami_cairo_set_colour(glob->cr, style->fill_colour);
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ami_cairo_set_solid(glob->cr);
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cairo_set_line_width(glob->cr, 0);
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cairo_arc(glob->cr, x, y, radius, 0, M_PI * 2);
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cairo_fill(glob->cr);
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cairo_stroke(glob->cr);
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}
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if (style->stroke_type != PLOT_OP_TYPE_NONE) {
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ami_cairo_set_colour(glob->cr, style->stroke_colour);
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ami_cairo_set_solid(glob->cr);
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cairo_set_line_width(glob->cr, 1);
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cairo_arc(glob->cr, x, y, radius, 0, M_PI * 2);
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cairo_stroke(glob->cr);
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}
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#endif
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return true;
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}
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bool ami_arc(int x, int y, int radius, int angle1, int angle2, const plot_style_t *style)
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{
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#ifdef NS_AMIGA_CAIRO
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ami_cairo_set_colour(glob->cr, style->fill_colour);
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ami_cairo_set_solid(glob->cr);
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cairo_set_line_width(glob->cr, 1);
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cairo_arc(glob->cr, x, y, radius,
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(angle1 + 90) * (M_PI / 180),
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(angle2 + 90) * (M_PI / 180));
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cairo_stroke(glob->cr);
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#else
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/* http://www.crbond.com/primitives.htm
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CommonFuncsPPC.lha */
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SetRPAttrs(&glob->rp,
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RPTAG_APenColor,
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p96EncodeColor(RGBFB_A8B8G8R8, style->fill_colour),
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TAG_DONE);
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// DrawArc(&glob->rp,x,y,(float)angle1,(float)angle2,radius);
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#endif
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return true;
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}
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static bool ami_bitmap(int x, int y, int width, int height, struct bitmap *bitmap)
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{
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struct BitMap *tbm;
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if(!width || !height) return true;
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if(((x + width) < glob->rect.MinX) ||
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((y + height) < glob->rect.MinY) ||
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(x > glob->rect.MaxX) ||
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(y > glob->rect.MaxY))
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return true;
|
|
|
|
tbm = ami_getcachenativebm(bitmap,width,height,glob->rp.BitMap);
|
|
|
|
if(!tbm) return true;
|
|
|
|
if(GfxBase->lib_Version >= 53) // AutoDoc says v52, but this function isn't in OS4.0, so checking for v53 (OS4.1)
|
|
{
|
|
uint32 comptype = COMPOSITE_Src;
|
|
if(!bitmap->opaque) comptype = COMPOSITE_Src_Over_Dest;
|
|
|
|
CompositeTags(comptype,tbm,glob->rp.BitMap,
|
|
COMPTAG_Flags,COMPFLAG_IgnoreDestAlpha,
|
|
COMPTAG_DestX,glob->rect.MinX,
|
|
COMPTAG_DestY,glob->rect.MinY,
|
|
COMPTAG_DestWidth,glob->rect.MaxX - glob->rect.MinX + 1,
|
|
COMPTAG_DestHeight,glob->rect.MaxY - glob->rect.MinY + 1,
|
|
COMPTAG_SrcWidth,width,
|
|
COMPTAG_SrcHeight,height,
|
|
COMPTAG_OffsetX,x,
|
|
COMPTAG_OffsetY,y,
|
|
TAG_DONE);
|
|
}
|
|
else
|
|
{
|
|
BltBitMapTags(BLITA_Width,width,
|
|
BLITA_Height,height,
|
|
BLITA_Source,tbm,
|
|
BLITA_Dest,&glob->rp,
|
|
BLITA_DestX,x,
|
|
BLITA_DestY,y,
|
|
BLITA_SrcType,BLITT_BITMAP,
|
|
BLITA_DestType,BLITT_RASTPORT,
|
|
// BLITA_Mask,0xFF,
|
|
BLITA_UseSrcAlpha,!bitmap->opaque,
|
|
TAG_DONE);
|
|
}
|
|
|
|
if(tbm != bitmap->nativebm)
|
|
{
|
|
p96FreeBitMap(tbm);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool ami_bitmap_tile(int x, int y, int width, int height,
|
|
struct bitmap *bitmap, colour bg,
|
|
bitmap_flags_t flags)
|
|
{
|
|
int xf,yf,xm,ym,oy,ox;
|
|
struct BitMap *tbm = NULL;
|
|
struct Hook *bfh = NULL;
|
|
struct bfbitmap bfbm;
|
|
bool repeat_x = (flags & BITMAPF_REPEAT_X);
|
|
bool repeat_y = (flags & BITMAPF_REPEAT_Y);
|
|
|
|
if(!(repeat_x || repeat_y))
|
|
return ami_bitmap(x, y, width, height, bitmap);
|
|
|
|
/* If it is a one pixel transparent image, we are wasting our time */
|
|
if((bitmap->opaque == false) && (bitmap->width == 1) && (bitmap->height == 1))
|
|
return true;
|
|
|
|
tbm = ami_getcachenativebm(bitmap,width,height,glob->rp.BitMap);
|
|
|
|
if(!tbm) return true;
|
|
|
|
ox = x;
|
|
oy = y;
|
|
|
|
/* get left most tile position */
|
|
for (; ox > 0; ox -= width)
|
|
;
|
|
|
|
/* get top most tile position */
|
|
for (; oy > 0; oy -= height)
|
|
;
|
|
|
|
if(ox<0) ox = -ox;
|
|
if(oy<0) oy = -oy;
|
|
|
|
if(repeat_x)
|
|
{
|
|
xf = glob->rect.MaxX;
|
|
xm = glob->rect.MinX;
|
|
}
|
|
else
|
|
{
|
|
xf = x + width;
|
|
xm = x;
|
|
}
|
|
|
|
if(repeat_y)
|
|
{
|
|
yf = glob->rect.MaxY;
|
|
ym = glob->rect.MinY;
|
|
}
|
|
else
|
|
{
|
|
yf = y + height;
|
|
ym = y;
|
|
}
|
|
|
|
if(bitmap->opaque)
|
|
{
|
|
bfh = CreateBackFillHook(BFHA_BitMap,tbm,
|
|
BFHA_Width,width,
|
|
BFHA_Height,height,
|
|
BFHA_OffsetX,ox,
|
|
BFHA_OffsetY,oy,
|
|
TAG_DONE);
|
|
}
|
|
else
|
|
{
|
|
bfbm.bm = tbm;
|
|
bfbm.width = width;
|
|
bfbm.height = height;
|
|
bfbm.offsetx = ox;
|
|
bfbm.offsety = oy;
|
|
bfh = AllocVec(sizeof(struct Hook),MEMF_CLEAR);
|
|
bfh->h_Entry = (HOOKFUNC)ami_bitmap_tile_hook;
|
|
bfh->h_SubEntry = 0;
|
|
bfh->h_Data = &bfbm;
|
|
}
|
|
|
|
InstallLayerHook(glob->rp.Layer,bfh);
|
|
|
|
EraseRect(&glob->rp,xm,ym,xf,yf);
|
|
|
|
InstallLayerHook(glob->rp.Layer,LAYERS_NOBACKFILL);
|
|
if(bitmap->opaque) DeleteBackFillHook(bfh);
|
|
else FreeVec(bfh);
|
|
|
|
if(tbm != bitmap->nativebm)
|
|
{
|
|
p96FreeBitMap(tbm);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static void ami_bitmap_tile_hook(struct Hook *hook,struct RastPort *rp,struct BackFillMessage *bfmsg)
|
|
{
|
|
int xf,yf;
|
|
struct bfbitmap *bfbm = (struct bfbitmap *)hook->h_Data;
|
|
|
|
/* tile down and across to extents (bfmsg->Bounds.MinX)*/
|
|
for (xf = -bfbm->offsetx; xf < bfmsg->Bounds.MaxX; xf += bfbm->width) {
|
|
for (yf = -bfbm->offsety; yf < bfmsg->Bounds.MaxY; yf += bfbm->height) {
|
|
|
|
if(GfxBase->lib_Version >= 53) // AutoDoc says v52, but this function isn't in OS4.0, so checking for v53 (OS4.1)
|
|
{
|
|
CompositeTags(COMPOSITE_Src_Over_Dest,bfbm->bm,rp->BitMap,
|
|
COMPTAG_Flags,COMPFLAG_IgnoreDestAlpha,
|
|
COMPTAG_DestX,bfmsg->Bounds.MinX,
|
|
COMPTAG_DestY,bfmsg->Bounds.MinY,
|
|
COMPTAG_DestWidth,bfmsg->Bounds.MaxX - bfmsg->Bounds.MinX + 1,
|
|
COMPTAG_DestHeight,bfmsg->Bounds.MaxY - bfmsg->Bounds.MinY + 1,
|
|
COMPTAG_SrcWidth,bfbm->width,
|
|
COMPTAG_SrcHeight,bfbm->height,
|
|
COMPTAG_OffsetX,xf,
|
|
COMPTAG_OffsetY,yf,
|
|
TAG_DONE);
|
|
}
|
|
else
|
|
{
|
|
BltBitMapTags(BLITA_Width,bfbm->width,
|
|
BLITA_Height,bfbm->height,
|
|
BLITA_Source,bfbm->bm,
|
|
BLITA_Dest,rp,
|
|
BLITA_DestX,xf,
|
|
BLITA_DestY,yf,
|
|
BLITA_SrcType,BLITT_BITMAP,
|
|
BLITA_DestType,BLITT_RASTPORT,
|
|
BLITA_UseSrcAlpha,TRUE,
|
|
TAG_DONE);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bool ami_group_start(const char *name)
|
|
{
|
|
/** optional */
|
|
return false;
|
|
}
|
|
|
|
bool ami_group_end(void)
|
|
{
|
|
/** optional */
|
|
return false;
|
|
}
|
|
|
|
bool ami_flush(void)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
bool ami_path(const float *p, unsigned int n, colour fill, float width,
|
|
colour c, const float transform[6])
|
|
{
|
|
/* For SVG only, because it needs Bezier curves we are going to cheat
|
|
and insist on Cairo */
|
|
#ifdef NS_AMIGA_CAIRO
|
|
unsigned int i;
|
|
cairo_matrix_t old_ctm, n_ctm;
|
|
|
|
if (n == 0)
|
|
return true;
|
|
|
|
if (p[0] != PLOTTER_PATH_MOVE) {
|
|
LOG(("Path does not start with move"));
|
|
return false;
|
|
}
|
|
|
|
/* Save CTM */
|
|
cairo_get_matrix(glob->cr, &old_ctm);
|
|
|
|
/* Set up line style and width */
|
|
cairo_set_line_width(glob->cr, 1);
|
|
ami_cairo_set_solid(glob->cr);
|
|
|
|
/* Load new CTM */
|
|
n_ctm.xx = transform[0];
|
|
n_ctm.yx = transform[1];
|
|
n_ctm.xy = transform[2];
|
|
n_ctm.yy = transform[3];
|
|
n_ctm.x0 = transform[4];
|
|
n_ctm.y0 = transform[5];
|
|
|
|
cairo_set_matrix(glob->cr, &n_ctm);
|
|
|
|
/* Construct path */
|
|
for (i = 0; i < n; ) {
|
|
if (p[i] == PLOTTER_PATH_MOVE) {
|
|
cairo_move_to(glob->cr, p[i+1], p[i+2]);
|
|
i += 3;
|
|
} else if (p[i] == PLOTTER_PATH_CLOSE) {
|
|
cairo_close_path(glob->cr);
|
|
i++;
|
|
} else if (p[i] == PLOTTER_PATH_LINE) {
|
|
cairo_line_to(glob->cr, p[i+1], p[i+2]);
|
|
i += 3;
|
|
} else if (p[i] == PLOTTER_PATH_BEZIER) {
|
|
cairo_curve_to(glob->cr, p[i+1], p[i+2],
|
|
p[i+3], p[i+4],
|
|
p[i+5], p[i+6]);
|
|
i += 7;
|
|
} else {
|
|
LOG(("bad path command %f", p[i]));
|
|
/* Reset matrix for safety */
|
|
cairo_set_matrix(glob->cr, &old_ctm);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/* Restore original CTM */
|
|
cairo_set_matrix(glob->cr, &old_ctm);
|
|
|
|
/* Now draw path */
|
|
if (fill != NS_TRANSPARENT) {
|
|
ami_cairo_set_colour(glob->cr,fill);
|
|
|
|
if (c != NS_TRANSPARENT) {
|
|
/* Fill & Stroke */
|
|
cairo_fill_preserve(glob->cr);
|
|
ami_cairo_set_colour(glob->cr,c);
|
|
cairo_stroke(glob->cr);
|
|
} else {
|
|
/* Fill only */
|
|
cairo_fill(glob->cr);
|
|
}
|
|
} else if (c != NS_TRANSPARENT) {
|
|
/* Stroke only */
|
|
ami_cairo_set_colour(glob->cr,c);
|
|
cairo_stroke(glob->cr);
|
|
}
|
|
#endif
|
|
return true;
|
|
}
|