Added support for scaling bitmaps, filled polygons, filled circles and clipping.

Fixes major display issues with eg. www.bbc.co.uk amongst others.

svn path=/trunk/netsurf/; revision=5221

3 files changed, 174 insertions, 81 deletions

diff --git a/amiga/gui.c b/amiga/gui.c
index 989849dd3..6a1573b59 100755
--- a/amiga/gui.c
+++ b/amiga/gui.c
@@ -472,23 +472,55 @@ void ami_get_msg(void)
 										switch(subnum)
 										{
 											BPTR fh=0;
+											char fname[1024];
 
 											case 0:
-												save_as_text(gwin->bw->current_content,"ram:ns_text");
+												if(AslRequestTags(filereq,
+													ASLFR_TitleText,messages_get("NetSurf"),
+													ASLFR_Screen,scrn,
+													ASLFR_DoSaveMode,TRUE,
+													ASLFR_InitialFile,FilePart(gwin->bw->current_content->url),
+													TAG_DONE))
+												{
+													strlcpy(&fname,filereq->fr_Drawer,1024);
+													AddPart(&fname,filereq->fr_File,1024);
+													save_as_text(gwin->bw->current_content,&fname);
+												}
 											break;
 
 											case 1:
-												if(fh = FOpen("ram:ns_source",MODE_NEWFILE,0))
+												if(AslRequestTags(filereq,
+													ASLFR_TitleText,messages_get("NetSurf"),
+													ASLFR_Screen,scrn,
+													ASLFR_DoSaveMode,TRUE,
+													ASLFR_InitialFile,FilePart(gwin->bw->current_content->url),
+													TAG_DONE))
 												{
-													FWrite(fh,gwin->bw->current_content->source_data,1,gwin->bw->current_content->source_size);
-													FClose(fh);
+													strlcpy(&fname,filereq->fr_Drawer,1024);
+													AddPart(&fname,filereq->fr_File,1024);
+													if(fh = FOpen(&fname,MODE_NEWFILE,0))
+													{
+														FWrite(fh,gwin->bw->current_content->source_data,1,gwin->bw->current_content->source_size);
+														FClose(fh);
+													}
 												}
 											break;
 
 											case 2:
 #ifdef WITH_PDF_EXPORT
-												pdf_set_scale(DEFAULT_EXPORT_SCALE);
-												save_as_pdf(gwin->bw->current_content,"ram:ns_pdf");
+												if(AslRequestTags(filereq,
+													ASLFR_TitleText,messages_get("NetSurf"),
+													ASLFR_Screen,scrn,
+													ASLFR_DoSaveMode,TRUE,
+													ASLFR_InitialFile,FilePart(gwin->bw->current_content->url),
+													TAG_DONE))
+												{
+													strlcpy(&fname,filereq->fr_Drawer,1024);
+													AddPart(&fname,filereq->fr_File,1024);
+													save_as_text(gwin->bw->current_content,&fname);
+													pdf_set_scale(DEFAULT_EXPORT_SCALE);
+													save_as_pdf(gwin->bw->current_content,&fname);
+												}
 #endif
 											break;
 										}
@@ -927,6 +959,16 @@ struct gui_window *gui_create_browser_window(struct browser_window *bw,
 	gwin->rp.BitMap = gwin->bm;
 	SetDrMd(currp,BGBACKFILL);
 
+	gwin->layerinfo = NewLayerInfo();
+	gwin->rp.Layer = CreateUpfrontLayer(gwin->layerinfo,gwin->bm,0,0,scrn->Width-1,scrn->Height-1,0,NULL);
+
+	gwin->areabuf = AllocVec(100,MEMF_CLEAR);
+	gwin->rp.AreaInfo = AllocVec(sizeof(struct AreaInfo),MEMF_CLEAR);
+	InitArea(gwin->rp.AreaInfo,gwin->areabuf,100/5);
+	gwin->rp.TmpRas = AllocVec(sizeof(struct TmpRas),MEMF_CLEAR);
+	gwin->tmprasbuf = AllocVec(scrn->Width*scrn->Height,MEMF_CLEAR);
+	InitTmpRas(gwin->rp.TmpRas,gwin->tmprasbuf,scrn->Width*scrn->Height);
+
 	GetRPAttrs(&gwin->rp,RPTAG_Font,&origrpfont,TAG_DONE);
 
 	GetAttr(WINDOW_HorizObject,gwin->objects[OID_MAIN],(ULONG *)&gwin->objects[OID_HSCROLL]);
@@ -960,7 +1002,13 @@ struct gui_window *gui_create_browser_window(struct browser_window *bw,
 void gui_window_destroy(struct gui_window *g)
 {
 	DisposeObject(g->objects[OID_MAIN]);
+	DeleteLayer(0,g->rp.Layer);
+	DisposeLayerInfo(g->layerinfo);
 	p96FreeBitMap(g->bm);
+	FreeVec(g->rp.TmpRas);
+	FreeVec(g->rp.AreaInfo);
+	FreeVec(g->tmprasbuf);
+	FreeVec(g->areabuf);
 	DelObject(g->node);
 //	FreeVec(g); should be freed by DelObject()
 
@@ -981,7 +1029,7 @@ void gui_window_set_title(struct gui_window *g, const char *title)
 
 void gui_window_redraw(struct gui_window *g, int x0, int y0, int x1, int y1)
 {
-	DebugPrintF("REDRAW\n");
+//	DebugPrintF("REDRAW\n");
 }
 
 void gui_window_redraw_window(struct gui_window *g)
@@ -1001,7 +1049,7 @@ void gui_window_update_box(struct gui_window *g,
 	GetAttr(SCROLLER_Top,g->objects[OID_HSCROLL],&hcurrent);
 	GetAttr(SCROLLER_Top,g->objects[OID_VSCROLL],&vcurrent);
 
-	DebugPrintF("DOING REDRAW\n");
+//	DebugPrintF("DOING REDRAW\n");
 
 	c = g->bw->current_content;
 
@@ -1049,16 +1097,17 @@ void gui_window_update_box(struct gui_window *g,
 
 void ami_do_redraw(struct gui_window *g)
 {
+	struct Region *reg = NULL;
+	struct Rectangle rect;
 	struct content *c;
 	ULONG hcurrent,vcurrent,xoffset,yoffset,width=800,height=600;
 	struct IBox *bbox;
-	struct Region *region;
 
 	GetAttr(SPACE_AreaBox,g->gadgets[GID_BROWSER],(ULONG *)&bbox);
 	GetAttr(SCROLLER_Top,g->objects[OID_HSCROLL],&hcurrent);
 	GetAttr(SCROLLER_Top,g->objects[OID_VSCROLL],&vcurrent);
 
-	DebugPrintF("DOING REDRAW\n");
+//	DebugPrintF("DOING REDRAW\n");
 
 	c = g->bw->current_content;
 
@@ -1068,14 +1117,22 @@ void ami_do_redraw(struct gui_window *g)
 	current_redraw_browser = g->bw;
 
 	currp = &g->rp;
+
 /*
-	layerinfo = NewLayerInfo();
-	layer = CreateLayer(layerinfo,LAYA_BitMap,g->bm,LAYA_StayTop,TRUE,
-LAYA_MinX,0,LAYA_MinY,0,LAYA_MaxX,1024,LAYA_MaxY,768,TAG_DONE);
-	currp = layer->rp;
-//	region = NewRegion();
-//	InstallClipRegion(layer,region);
+	reg = NewRegion();
+
+	rect.MinX = 0;
+	rect.MinY = 0;
+	rect.MaxX = 1023;
+	rect.MaxY = 767;
+
+	OrRectRegion(reg,&rect);
+
+	InstallClipRegion(g->rp.Layer,reg);
 */
+
+//	currp = g->rp.Layer->rp;
+
 	width=bbox->Width;
 	height=bbox->Height;
 	xoffset=bbox->Left;
@@ -1110,16 +1167,18 @@ LAYA_MinX,0,LAYA_MinY,0,LAYA_MaxX,1024,LAYA_MaxY,768,TAG_DONE);
 
 	current_redraw_browser = NULL;
 	currp = &dummyrp;
-/*
-//	InstallClipRegion(layer,NULL);
-//	DisposeRegion(region);
-	DeleteLayer(0,layer);
-	DisposeLayerInfo(layerinfo);
-*/
+
+
 	ami_update_buttons(g);
 
 	BltBitMapRastPort(g->bm,0,0,g->win->RPort,xoffset,yoffset,width,height,0x0C0);
 
+	reg = InstallClipRegion(g->rp.Layer,NULL);
+	if(reg) DisposeRegion(reg);
+
+//	DeleteLayer(0,g->rp.Layer);
+/**/
+
 	g->redraw_required = false;
 	g->redraw_data = NULL;
 }
@@ -1263,16 +1322,18 @@ void gui_window_remove_caret(struct gui_window *g)
 
 void gui_window_new_content(struct gui_window *g)
 {
-	DebugPrintF("new content\n");
+//	DebugPrintF("new content\n");
 }
 
 bool gui_window_scroll_start(struct gui_window *g)
 {
+	DebugPrintF("scroll start\n");
 }
 
 bool gui_window_box_scroll_start(struct gui_window *g,
 		int x0, int y0, int x1, int y1)
 {
+	DebugPrintF("box scroll start\n");
 }
 
 bool gui_window_frame_resize_start(struct gui_window *g)
@@ -1293,7 +1354,7 @@ struct gui_download_window *gui_download_window_create(const char *url,
 		const char *mime_type, struct fetch *fetch,
 		unsigned int total_size, struct gui_window *gui)
 {
-	char *fname = AllocVec(1024,MEMF_CLEAR);
+	char fname[1024];
 	struct gui_download_window *dw;
 	APTR va[3];
 
@@ -1304,8 +1365,8 @@ struct gui_download_window *gui_download_window_create(const char *url,
 		ASLFR_InitialFile,FilePart(url),
 		TAG_DONE))
 	{
-		strlcpy(fname,filereq->fr_Drawer,1024);
-		AddPart(fname,filereq->fr_File,1024);
+		strlcpy(&fname,filereq->fr_Drawer,1024);
+		AddPart(&fname,filereq->fr_File,1024);
 	}
 	else return NULL;
 
@@ -1318,7 +1379,7 @@ struct gui_download_window *gui_download_window_create(const char *url,
 	va[1] = dw->size;
 	va[2] = 0;
 
-	if(!(dw->fh = FOpen(fname,MODE_NEWFILE,0)))
+	if(!(dw->fh = FOpen(&fname,MODE_NEWFILE,0)))
 	{
 		FreeVec(dw);
 		return NULL;
diff --git a/amiga/gui.h b/amiga/gui.h
index a138cda6d..0bb1a352b 100755
--- a/amiga/gui.h
+++ b/amiga/gui.h
@@ -55,7 +55,7 @@ struct gui_download_window {
 	Object *objects[OID_LAST];
 	struct Gadget *gadgets[GID_LAST];
 	struct nsObject *node;
-	bool pad;
+	ULONG pad[2];
 	BPTR fh;
 	uint32 size;
 	uint32 downloaded;
@@ -67,9 +67,13 @@ struct gui_window {
 	struct Gadget *gadgets[GID_LAST];
 	struct nsObject *node;
 	bool redraw_required;
+	struct List *tab_bw_list;
 	struct browser_window *bw;
 	struct BitMap *bm;
 	struct RastPort rp;
+	struct Layer_Info *layerinfo;
+	APTR areabuf;
+	APTR tmprasbuf;
 	struct Hook scrollerhook;
 	struct Hook popuphook;
 	struct form_control *control;
@@ -80,9 +84,6 @@ struct gui_window {
 	int c_h;
 };
 
-//struct gui_window *curwin;
 struct RastPort *currp;
 struct TextFont *origrpfont;
-struct Layer *layer;
-struct Layer_Info *layerinfo;
 #endif
diff --git a/amiga/plotters.c b/amiga/plotters.c
index 57f37e0aa..38b572607 100755
--- a/amiga/plotters.c
+++ b/amiga/plotters.c
@@ -26,10 +26,7 @@
 #include <graphics/rpattr.h>
 #include <graphics/gfxmacros.h>
 #include "amiga/utf8.h"
-
-#include <proto/exec.h> // for debugprintf only
-
-static clipx0=0,clipx1=0,clipy0=0,clipy1=0;
+#include <proto/layers.h>
 
 #define PATT_DOT  0xAAAA
 #define PATT_DASH 0xCCCC
@@ -50,33 +47,24 @@ const struct plotter_table amiplot = {
 	ami_bitmap_tile,
 	NULL, //ami_group_start,
 	NULL, //ami_group_end,
-	ami_flush, // optional
+	NULL, //ami_flush, // optional
 	ami_path,
 	true // option_knockout
 };
 
 bool ami_clg(colour c)
 {
-	DebugPrintF("clg %lx\n",c);
-
 	SetRPAttrs(currp,RPTAG_BPenColor,p96EncodeColor(RGBFB_A8B8G8R8,c),
 					TAG_DONE);
 
 	ClearScreen(currp);
 
-/*
-	p96RectFill(currp,clipx0,clipy0,clipx1,clipy1,
-				p96EncodeColor(RGBFB_A8B8G8R8,c));
-*/
-
 	return true;
 }
 
 bool ami_rectangle(int x0, int y0, int width, int height,
 			int line_width, colour c, bool dotted, bool dashed)
 {
-	DebugPrintF("rect\n");
-
 	currp->PenWidth = line_width;
 	currp->PenHeight = line_width;
 
@@ -102,8 +90,6 @@ bool ami_rectangle(int x0, int y0, int width, int height,
 bool ami_line(int x0, int y0, int x1, int y1, int width,
 			colour c, bool dotted, bool dashed)
 {
-	DebugPrintF("line\n");
-
 	currp->PenWidth = width;
 	currp->PenHeight = width;
 
@@ -128,24 +114,28 @@ bool ami_polygon(int *p, unsigned int n, colour fill)
 	int k;
 	ULONG cx,cy;
 
-	DebugPrintF("poly\n");
+	//DebugPrintF("poly\n");
 
 	SetRPAttrs(currp,RPTAG_APenColor,p96EncodeColor(RGBFB_A8B8G8R8,fill),
+					RPTAG_OPenColor,p96EncodeColor(RGBFB_A8B8G8R8,fill),
 					TAG_DONE);
 
-	Move(currp,p[0],p[1]);
+	AreaMove(currp,p[0],p[1]);
 
 	for(k=1;k<n;k++)
 	{
-		Draw(currp,p[k*2],p[(k*2)+1]);
+		AreaDraw(currp,p[k*2],p[(k*2)+1]);
 	}
 
+	AreaEnd(currp);
+	BNDRYOFF(currp);
+
 	return true;
 }
 
 bool ami_fill(int x0, int y0, int x1, int y1, colour c)
 {
-	DebugPrintF("fill %ld,%ld,%ld,%ld\n",x0,y0,x1,y1);
+	//DebugPrintF("fill %ld,%ld,%ld,%ld\n",x0,y0,x1,y1);
 
 	p96RectFill(currp,x0,y0,x1,y1,
 		p96EncodeColor(RGBFB_A8B8G8R8,c));
@@ -155,13 +145,24 @@ bool ami_fill(int x0, int y0, int x1, int y1, colour c)
 
 bool ami_clip(int x0, int y0, int x1, int y1)
 {
-/* to do - need to actually clip to this region using layers.library */
+	struct Region *reg = NULL;
+	struct Rectangle rect;
 
-	DebugPrintF("clip\n");
-	clipx0=x0;
-	clipy0=y0;
-	clipx1=x1;
-	clipy1=y1;
+	if(currp->Layer)
+	{
+		reg = NewRegion();
+
+		rect.MinX = x0;
+		rect.MinY = y0;
+		rect.MaxX = x1-1;
+		rect.MaxY = y1-1;
+
+		OrRectRegion(reg,&rect);
+
+		reg = InstallClipRegion(currp->Layer,reg);
+
+		if(reg) DisposeRegion(reg);
+	}
 
 	return true;
 }
@@ -174,18 +175,22 @@ bool ami_text(int x, int y, const struct css_style *style,
 
 	SetRPAttrs(currp,RPTAG_APenColor,p96EncodeColor(RGBFB_A8B8G8R8,c),
 					RPTAG_BPenColor,p96EncodeColor(RGBFB_A8B8G8R8,bg),
-//					RPTAG_OPenColor,p96EncodeColor(RGBFB_A8B8G8R8,bg),
 //					RPTAG_Font,tfont,
 					TAG_DONE);
 
 	utf8_to_local_encoding(text,length,&buffer);
-//	ami_utf8_to_any(text,length,&buffer);
 
 	if(!buffer) return true;
 
+/* Below function prints Unicode text direct to the RastPort.
+ * This is commented out due to lack of SDK which allows me to perform blits
+ * that respect the Alpha channel.  The code below that (and above) convert to
+ * system default charset and write the text using graphics.library functions.
+ *
+ *	ami_unicode_text(currp,text,length,style,x,y,c);
+ */
 	Move(currp,x,y);
 	Text(currp,buffer,strlen(buffer));
-//	Text(currp,text,length);
 
 	ami_close_font(tfont);
 	ami_utf8_free(buffer);
@@ -195,24 +200,18 @@ bool ami_text(int x, int y, const struct css_style *style,
 
 bool ami_disc(int x, int y, int radius, colour c, bool filled)
 {
-	struct AreaInfo ai;
-	APTR buf[10];
-
-	DebugPrintF("disc\n");
-
 	SetRPAttrs(currp,RPTAG_APenColor,p96EncodeColor(RGBFB_A8B8G8R8,c),
 					TAG_DONE);
 
-/* see rkrm
 	if(filled)
 	{
-//		InitArea(&ai,&buf,2);
 		AreaCircle(currp,x,y,radius);
-//		AreaEnd(currp);
+		AreaEnd(currp);
+	}
+	else
+	{
+		DrawEllipse(currp,x,y,radius,radius); // NB: does not support fill, need to use AreaCircle for that
 	}
-*/
-
-	DrawEllipse(currp,x,y,radius,radius); // NB: does not support fill, need to use AreaCircle for that
 
 	return true;
 }
@@ -222,7 +221,12 @@ bool ami_arc(int x, int y, int radius, int angle1, int angle2,
 {
 /* http://www.crbond.com/primitives.htm
 CommonFuncsPPC.lha */
-	DebugPrintF("arc\n");
+	//DebugPrintF("arc\n");
+
+	SetRPAttrs(currp,RPTAG_APenColor,p96EncodeColor(RGBFB_A8B8G8R8,c),
+					TAG_DONE);
+
+//	DrawArc(currp,x,y,(float)angle1,(float)angle2,radius);
 
 	return true;
 }
@@ -232,10 +236,6 @@ bool ami_bitmap(int x, int y, int width, int height,
 {
 	struct RenderInfo ri;
 
-DebugPrintF("bitmap plotter %ld %ld %ld %ld (%ld %ld)\n",x,y,width,height,bitmap->width,bitmap->height);
-
-/* needs to also scale */
-
 //	ami_fill(x,y,x+width,y+height,bg);
 
 	SetRPAttrs(currp,RPTAG_BPenColor,p96EncodeColor(RGBFB_A8B8G8R8,bg),
@@ -245,7 +245,39 @@ DebugPrintF("bitmap plotter %ld %ld %ld %ld (%ld %ld)\n",x,y,width,height,bitmap
 	ri.BytesPerRow = bitmap->width * 4;
 	ri.RGBFormat = RGBFB_R8G8B8A8;
 
-	p96WritePixelArray((struct RenderInfo *)&ri,0,0,currp,x,y,width,height);
+	if((bitmap->width != width) || (bitmap->height != height))
+	{
+		struct BitMap *tbm;
+		struct RastPort trp;
+		struct BitScaleArgs bsa;
+
+		tbm = p96AllocBitMap(bitmap->width,bitmap->height,32,0,currp->BitMap,RGBFB_R8G8B8A8);
+		InitRastPort(&trp);
+		trp.BitMap = tbm;
+		p96WritePixelArray((struct RenderInfo *)&ri,0,0,&trp,0,0,bitmap->width,bitmap->height);
+		bsa.bsa_SrcX = 0;
+		bsa.bsa_SrcY = 0;
+		bsa.bsa_SrcWidth = bitmap->width;
+		bsa.bsa_SrcHeight = bitmap->height;
+		bsa.bsa_DestX = x;
+		bsa.bsa_DestY = y;
+		bsa.bsa_DestWidth = width;
+		bsa.bsa_DestHeight = height;
+		bsa.bsa_XSrcFactor = bitmap->width;
+		bsa.bsa_XDestFactor = width;
+		bsa.bsa_YSrcFactor = bitmap->height;
+		bsa.bsa_YDestFactor = height;
+		bsa.bsa_SrcBitMap = tbm;
+		bsa.bsa_DestBitMap = currp->BitMap;
+		bsa.bsa_Flags = 0;
+
+		BitMapScale(&bsa);
+		p96FreeBitMap(tbm);
+	}
+	else
+	{
+		p96WritePixelArray((struct RenderInfo *)&ri,0,0,currp,x,y,width,height);
+	}
 
 	return true;
 }
@@ -257,7 +289,7 @@ bool ami_bitmap_tile(int x, int y, int width, int height,
 	struct RenderInfo ri;
 	ULONG xf,yf,wf,hf;
 
-DebugPrintF("bitmap tile plotter\n");
+//DebugPrintF("bitmap tile plotter\n");
 
 	SetRPAttrs(currp,RPTAG_BPenColor,p96EncodeColor(RGBFB_A8B8G8R8,bg),
 					TAG_DONE);
@@ -292,7 +324,6 @@ if(repeat_y) printf("repeaty\n");
 				hf=bitmap->height;
 			}
 
-//printf("%ld %ld %ld\n",xf,width,bitmap->width);
 			p96WritePixelArray((struct RenderInfo *)&ri,0,0,currp,x+xf,y+yf,wf,hf);
 		}
 	}
@@ -314,13 +345,13 @@ bool ami_group_end(void)
 
 bool ami_flush(void)
 {
-	DebugPrintF("flush\n");
+	//DebugPrintF("flush\n");
 	return true;
 }
 
 bool ami_path(float *p, unsigned int n, colour fill, float width,
 			colour c, float *transform)
 {
-	DebugPrintF("path\n");
+/* Not implemented yet - unable to locate website which requires this plotter! */
 	return true;
 }