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700 lines
18 KiB
C++
700 lines
18 KiB
C++
#include "Draw.h"
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namespace Upp {
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enum {
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DRAWING_BEGIN = 1,
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DRAWING_OFFSET = 2,
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DRAWING_CLIP = 3,
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DRAWING_CLIPOFF = 4,
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DRAWING_EXCLUDECLIP = 5,
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DRAWING_INTERSECTCLIP = 6,
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DRAWING_END = 7,
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DRAWING_DRAWRECT = 8,
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DRAWING_DRAWIMAGE = 9,
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DRAWING_DRAWMONOIMAGE = 10,
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DRAWING_DRAWDRAWING = 11,
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DRAWING_DRAWLINE = 12,
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DRAWING_DRAWELLIPSE = 13,
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DRAWING_DRAWTEXT = 14,
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DRAWING_DRAWARC = 15,
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DRAWING_DRAWPOLYPOLYLINE = 16,
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DRAWING_DRAWPOLYPOLYPOLYGON = 17,
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DRAWING_DRAWDATA = 18,
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DRAWING_DRAWPAINTING = 19,
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DRAWING_ESCAPE = 20,
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};
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#define LLOG(x) // DLOG(x)
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#ifdef COMPILER_MSC
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#pragma warning(disable: 4700)
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#endif
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static void StreamUnpackPoints(Stream& stream, Point *out, int count)
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{
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if(count == 0)
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return;
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#ifdef CPU_LITTLE_ENDIAN
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if(sizeof(Point) == 8) {
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stream.Get(out, 8 * count);
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return;
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}
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#endif
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Point *end = out + count;
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byte *top = reinterpret_cast<byte *>(end) - count * 8;
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stream.Get(top, count * 8);
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for(; out < end; out++, top += 8) {
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out -> x = (short)Peek32le(top + 0);
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out -> y = (short)Peek32le(top + 4);
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}
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}
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static void StreamPackPoints(Stream& stream, const Point *in, int count)
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{
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#ifdef CPU_LITTLE_ENDIAN
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if(sizeof(Point) == 8) {
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stream.Put(in, 8 * count);
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return;
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}
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#endif
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enum { PART = 1024 };
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byte part[PART * 8];
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while(count > 0)
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{
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int part_count = min<int>(count, PART);
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for(byte *pp = part, *pe = pp + 8 * part_count; pp < pe; pp += 8, in++) {
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Poke32le(pp + 0, in -> x);
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Poke32le(pp + 4, in -> y);
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}
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stream.Put(part, part_count * 4);
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count -= part_count;
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}
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}
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static void StreamUnpackInts(Stream& stream, int *out, int count)
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{
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#ifdef CPU_LITTLE_ENDIAN
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if(sizeof(int) == 4) {
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stream.Get(out, count * 4);
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return;
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}
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#endif
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while(count--)
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*out++ = stream.Get32le();
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}
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static void StreamPackInts(Stream& stream, const int *in, int count)
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{
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#ifdef CPU_LITTLE_ENDIAN
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if(sizeof(int) == 4) {
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stream.Put(in, count * 4);
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return;
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}
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#endif
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while(count--)
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stream.Put32le(*in++);
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}
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// ------------------------------
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Stream& DrawingDraw::DrawingOp(int code)
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{
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drawing / code;
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return drawing;
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}
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dword DrawingDraw::GetInfo() const
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{
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return DRAWING|(dots ? DOTS : 0);
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}
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Size DrawingDraw::GetPageSize() const
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{
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return size;
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}
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Rect DrawingDraw::GetPaintRect() const
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{
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return Rect(size);
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}
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void DrawingDraw::BeginOp()
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{
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DrawingOp(DRAWING_BEGIN);
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}
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void DrawingDraw::OffsetOp(Point p)
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{
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DrawingOp(DRAWING_OFFSET) % p;
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}
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bool DrawingDraw::ClipOp(const Rect& r)
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{
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DrawingOp(DRAWING_CLIP) % const_cast<Rect&>(r);
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return true;
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}
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bool DrawingDraw::ClipoffOp(const Rect& r)
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{
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DrawingOp(DRAWING_CLIPOFF) % const_cast<Rect&>(r);
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return true;
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}
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void DrawingDraw::EndOp()
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{
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DrawingOp(DRAWING_END);
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}
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bool DrawingDraw::ExcludeClipOp(const Rect& r)
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{
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DrawingOp(DRAWING_EXCLUDECLIP) % const_cast<Rect&>(r);
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return true;
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}
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bool DrawingDraw::IntersectClipOp(const Rect& r)
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{
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DrawingOp(DRAWING_INTERSECTCLIP) % const_cast<Rect&>(r);
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return true;
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}
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bool DrawingDraw::IsPaintingOp(const Rect& r) const
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{
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return true;
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}
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void DrawingDraw::DrawRectOp(int x, int y, int cx, int cy, Color color)
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{
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if(!IsNull(color))
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DrawingOp(DRAWING_DRAWRECT) % x % y % cx % cy % color;
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}
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void DrawingDraw::DrawImageOp(int x, int y, int cx, int cy, const Image& img, const Rect& src, Color color)
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{
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Rect s = src;
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DrawingOp(DRAWING_DRAWIMAGE) % x % y % cx % cy % s % color;
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val.Add(img);
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}
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void DrawingDraw::DrawDataOp(int x, int y, int cx, int cy, const String& data, const char *id)
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{
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String h = id;
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DrawingOp(DRAWING_DRAWDATA) % x % y % cx % cy % h;
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val.Add(data);
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}
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void DrawingDraw::Escape(const String& data)
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{
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DrawingOp(DRAWING_ESCAPE);
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val.Add(data);
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}
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void DrawingDraw::DrawDrawingOp(const Rect& target, const Drawing& w)
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{
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DrawingOp(DRAWING_DRAWDRAWING) % const_cast<Rect&>(target);
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val.Add(w);
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}
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void DrawingDraw::DrawPaintingOp(const Rect& target, const Painting& w)
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{
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DrawingOp(DRAWING_DRAWPAINTING) % const_cast<Rect&>(target);
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val.Add(w);
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}
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void DrawingDraw::DrawLineOp(int x1, int y1, int x2, int y2, int width, Color color)
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{
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DrawingOp(DRAWING_DRAWLINE) % x1 % y1 % x2 % y2 % width % color;
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}
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void DrawingDraw::DrawPolyPolylineOp(const Point *vertices, int vertex_count,
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const int *counts, int count_count,
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int width, Color color, Color doxor)
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{
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ASSERT(count_count > 0 && vertex_count > 0);
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if(vertex_count < 2 || IsNull(color))
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return;
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DrawingOp(DRAWING_DRAWPOLYPOLYLINE);
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int version = 2;
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drawing / version;
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drawing % width % color % doxor;
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drawing % vertex_count % count_count;
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StreamPackPoints(drawing, vertices, vertex_count);
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StreamPackInts(drawing, counts, count_count);
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}
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void DrawingDraw::DrawPolyPolyPolygonOp(const Point *vertices, int vertex_count,
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const int *subpolygon_counts, int subpolygon_count_count,
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const int *disjunct_polygon_counts, int disjunct_polygon_count_count,
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Color color, int width, Color outline, uint64 pattern, Color doxor)
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{
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if(vertex_count == 0)
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return;
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DrawingOp(DRAWING_DRAWPOLYPOLYPOLYGON);
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int version = 2;
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drawing / version;
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drawing % color % width % outline % pattern % doxor;
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drawing % vertex_count % subpolygon_count_count % disjunct_polygon_count_count;
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StreamPackPoints(drawing, vertices, vertex_count);
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StreamPackInts(drawing, subpolygon_counts, subpolygon_count_count);
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StreamPackInts(drawing, disjunct_polygon_counts, disjunct_polygon_count_count);
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}
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void DrawingDraw::DrawEllipseOp(const Rect& r, Color color, int pen, Color pencolor)
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{
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DrawingOp(DRAWING_DRAWELLIPSE) % const_cast<Rect&>(r) % color / pen % pencolor;
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}
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void DrawingDraw::DrawArcOp(const Rect& rc, Point start, Point end, int width, Color color)
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{
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DrawingOp(DRAWING_DRAWARC) % const_cast<Rect&>(rc) % start % end % color % width;
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}
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void DrawingDraw::DrawTextOp(int x, int y, int angle, const wchar *text, Font font, Color ink,
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int n, const int *dx) {
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if(IsNull(ink)) return;
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if(n < 0)
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n = wstrlen((const wchar *)text);
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if(n == 0)
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return;
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Stream& s = DrawingOp(DRAWING_DRAWTEXT);
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byte cs = CHARSET_UNICODE;
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s % x % y % angle % font % ink / n % cs;
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s.PutW((wchar *)text, n);
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bool dxb = dx;
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s % dxb;
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if(dx) {
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int *w = const_cast<int *>(dx);
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while(n--)
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s / *w++;
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}
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}
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Drawing DrawingDraw::GetResult()
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{
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Drawing out;
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out.size = size;
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LLOG("GetResult size: " << size);
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out.data = drawing.GetResult();
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out.val = val;
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return out;
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}
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// ------------------------------
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struct Draw::DrawingPos : StringStream {
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Size source;
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Size target;
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Point srcoff;
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Point trgoff;
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Vector<Point> stk;
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bool Identity() const { return source == target; }
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int GetX(int x) const;
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int GetY(int y) const;
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int GetCx(int cx) const;
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int GetCy(int cy) const;
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int GetW(int w) const;
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Point Get(int x, int y) const;
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Point Get(Point p) const;
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Rect Get(const Rect& r) const;
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Rect Get(int x, int y, int cx, int cy) const;
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Point operator()(int x, int y) const { return Get(x, y); }
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Point operator()(Point p) const { return Get(p); }
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Rect operator()(const Rect& r) const { return Get(r); }
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Rect operator()(int x, int y, int cx, int cy) const { return Get(x, y, cx, cy); }
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void TransformX(int& x) const { x = GetX(x); }
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void TransformY(int& y) const { y = GetY(y); }
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void TransformW(int& w) const { w = GetW(w); }
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void Transform(int& x, int& y) const { TransformX(x); TransformY(y); }
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void Transform(Point& p) const { p = Get(p); }
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void Transform(Rect& r) const { r = Get(r); }
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Rect GetRect();
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void Push();
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void Pop();
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DrawingPos(const String& src) : StringStream(src) {}
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};
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void Draw::DrawingPos::Push()
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{
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stk.Add(srcoff);
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stk.Add(trgoff);
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}
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void Draw::DrawingPos::Pop()
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{
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trgoff = stk.Pop();
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srcoff = stk.Pop();
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}
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Rect Draw::DrawingPos::GetRect()
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{
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Rect r;
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*this % r;
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return Get(r);
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}
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int Draw::DrawingPos::GetX(int x) const {
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return iscale(x + srcoff.x, target.cx, source.cx) - trgoff.x;
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}
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int Draw::DrawingPos::GetY(int y) const {
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return iscale(y + srcoff.y, target.cy, source.cy) - trgoff.y;
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}
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int Draw::DrawingPos::GetCx(int cx) const {
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return iscale(cx, target.cx, source.cx);
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}
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int Draw::DrawingPos::GetCy(int cy) const {
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return iscale(cy, target.cy, source.cy);
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}
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int Draw::DrawingPos::GetW(int w) const {
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return iscale(w, target.cx + target.cy, source.cx + source.cy);
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}
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Point Draw::DrawingPos::Get(int x, int y) const {
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return Point(GetX(x), GetY(y));
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}
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Point Draw::DrawingPos::Get(Point p) const {
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return Get(p.x, p.y);
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}
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Rect Draw::DrawingPos::Get(const Rect& r) const {
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return Rect(GetX(r.left), GetY(r.top), GetX(r.right), GetY(r.bottom));
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}
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Rect Draw::DrawingPos::Get(int x, int y, int cx, int cy) const {
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return Get(RectC(x, y, cx, cy));
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}
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void Draw::DrawDrawingOp(const Rect& target, const Drawing& w) {
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#ifdef _DEBUG
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int cl = GetCloffLevel();
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#endif
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DrawingPos ps(w.data);
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ps.srcoff = ps.trgoff = Point(0, 0);
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ps.target = target.Size();
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ps.source = w.size;
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LLOG("DrawDrawingOp size: " << w.size);
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if(ps.target.cx == 0 || ps.target.cy == 0 || ps.source.cx == 0 || ps.source.cy == 0)
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return;
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Clipoff(target);
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Rect r, r1;
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int x, y, cx, cy, width, vertex_count, count_count;
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Color color, pencolor, doxor;
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Image img;
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Drawing dw;
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Painting sw;
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Point p, p1;
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int vi = 0;
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while(!ps.IsEof()) {
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int code;
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ps / code;
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switch(code) {
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case DRAWING_BEGIN:
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Begin();
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ps.Push();
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break;
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case DRAWING_OFFSET:
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ps % p;
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p1 = ps(p);
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Offset(p1);
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ps.Push();
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ps.srcoff += p;
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ps.trgoff += p1;
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break;
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case DRAWING_CLIP:
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Clip(ps.GetRect());
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ps.Push();
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break;
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case DRAWING_CLIPOFF:
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ps % r;
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r1 = ps(r);
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Clipoff(r1);
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ps.Push();
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ps.srcoff += r.TopLeft();
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ps.trgoff += r1.TopLeft();
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break;
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case DRAWING_EXCLUDECLIP:
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ExcludeClip(ps.GetRect());
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break;
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case DRAWING_INTERSECTCLIP:
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IntersectClip(ps.GetRect());
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break;
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case DRAWING_END:
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End();
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ps.Pop();
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break;
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case DRAWING_DRAWRECT:
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ps % x % y % cx % cy % color;
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DrawRect(ps(x, y, cx, cy), color);
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break;
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case DRAWING_DRAWIMAGE:
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ps % x % y % cx % cy;
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if(w.val.GetCount())
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img = w.val[vi++];
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else
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ps % img;
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ps % r % color;
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DrawImageOp(ps.GetX(x), ps.GetY(y), ps.GetCx(cx), ps.GetCy(cy), img, r, color);
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break;
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case DRAWING_DRAWDATA:
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{
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String data, id;
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ps % x % y % cx % cy % id;
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if(w.val.GetCount())
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data = w.val[vi++];
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else
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ps % data;
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DrawData(ps(x, y, cx, cy), data, id);
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}
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break;
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case DRAWING_ESCAPE:
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Escape(w.val[vi++]);
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break;
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case DRAWING_DRAWDRAWING:
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if(w.val.GetCount())
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dw = w.val[vi++];
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else
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ps % dw;
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DrawDrawing(ps.GetRect(), dw);
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break;
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case DRAWING_DRAWPAINTING:
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if(w.val.GetCount())
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sw = w.val[vi++];
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else
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ps % sw;
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DrawPainting(ps.GetRect(), sw);
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break;
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case DRAWING_DRAWLINE:
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ps % x % y % cx % cy % width % color;
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DrawLine(ps(x, y), ps(cx, cy), width > 0 ? ps.GetW(width) : width, color);
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break;
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case DRAWING_DRAWELLIPSE:
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r = ps.GetRect();
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ps % color / width % pencolor;
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DrawEllipse(r, color, width > 0 ? ps.GetW(width) : width, pencolor);
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break;
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#ifndef PLATFORM_WINCE
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case DRAWING_DRAWARC:
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r = ps.GetRect();
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ps % p % p1 % color % width;
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DrawArc(r, ps(p), ps(p1), width > 0 ? ps.GetW(width) : width, color);
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break;
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case DRAWING_DRAWPOLYPOLYLINE:
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{
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int version;
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ps / version;
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ps % width % color % doxor;
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ps % vertex_count % count_count;
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Buffer<Point> vertices(vertex_count);
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Buffer<int> counts(count_count);
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StreamUnpackPoints(ps, vertices, vertex_count);
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StreamUnpackInts(ps, counts, count_count);
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if(!ps.Identity()) {
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for(Point *p = vertices, *e = p + vertex_count; p < e; p++)
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ps.Transform(*p);
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if(width > 0)
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ps.TransformW(width);
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}
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DrawPolyPolyline(vertices, vertex_count, counts, count_count, width, color, doxor);
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}
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break;
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case DRAWING_DRAWPOLYPOLYPOLYGON:
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{
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Color outline;
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uint64 pattern;
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int subpolygon_count_count, disjunct_polygon_count_count;
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int version = 2;
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ps / version;
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ps % color % width % outline % pattern % doxor;
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ps % vertex_count % subpolygon_count_count % disjunct_polygon_count_count;
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Buffer<Point> vertices(vertex_count);
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Buffer<int> subpolygon_counts(subpolygon_count_count);
|
|
Buffer<int> disjunct_polygon_counts(disjunct_polygon_count_count);
|
|
StreamUnpackPoints(ps, vertices, vertex_count);
|
|
StreamUnpackInts(ps, subpolygon_counts, subpolygon_count_count);
|
|
StreamUnpackInts(ps, disjunct_polygon_counts, disjunct_polygon_count_count);
|
|
if(!ps.Identity()) {
|
|
for(Point *p = vertices, *e = p + vertex_count; p < e; p++)
|
|
ps.Transform(*p);
|
|
ps.TransformW(width);
|
|
}
|
|
DrawPolyPolyPolygon(vertices, vertex_count,
|
|
subpolygon_counts, subpolygon_count_count,
|
|
disjunct_polygon_counts, disjunct_polygon_count_count,
|
|
color, width, outline, pattern, doxor);
|
|
}
|
|
break;
|
|
#endif
|
|
case DRAWING_DRAWTEXT:
|
|
{
|
|
int n, angle;
|
|
Font font;
|
|
Color ink;
|
|
byte cs;
|
|
ps % x % y % angle % font % ink / n % cs;
|
|
if(font.GetHeight() == 0) {
|
|
FontInfo fi = font.Info();
|
|
font.Height(fi.GetHeight() - fi.GetInternal());
|
|
}
|
|
bool unicode = cs == CHARSET_UNICODE;
|
|
WString text;
|
|
if(unicode) {
|
|
Buffer<wchar> txt(n);
|
|
ps.Stream::GetW(txt, n);
|
|
text = WString(txt, n);
|
|
}
|
|
else {
|
|
Buffer<char> txt(n);
|
|
ps.Stream::Get(txt, n);
|
|
text = ToUnicode(txt, n, cs);
|
|
}
|
|
LLOG("wsDrawText \"" << WString(text, n)
|
|
<< "\" at: (" << x << ", " << y << ", " << angle << ")");
|
|
bool dxb;
|
|
ps % dxb;
|
|
Buffer<int> dx(n);
|
|
int *wd = dx;
|
|
int nn = n;
|
|
angle %= 3600;
|
|
if(ps.Identity()) {
|
|
if(dxb) {
|
|
while(nn--)
|
|
ps / *wd++;
|
|
DrawText(x, y, angle, text, font, ink, dx);
|
|
}
|
|
else
|
|
DrawText(x, y, angle, text, font, ink);
|
|
}
|
|
else {
|
|
const wchar *wp = ~text;
|
|
double q = Length((Sizef)ps.target) / Length((Sizef)ps.source);
|
|
double px = 0;
|
|
while(nn--) {
|
|
int cx;
|
|
if(dxb)
|
|
ps / cx;
|
|
else
|
|
cx = font[*wp++];
|
|
double npx = q * cx + px;
|
|
*wd++ = (int)npx - (int)px;
|
|
px = npx;
|
|
}
|
|
int ht = (int)(font.GetHeight() * min(double(ps.target.cx) / ps.source.cx, double(ps.target.cy) / ps.source.cy));
|
|
font.Width((int)q * font.GetWidth()).Height(ht ? ht : 1);
|
|
DrawText(ps.GetX(x), ps.GetY(y), angle, text, font, ink, dx);
|
|
/*
|
|
FontInfo fi = font.Info();
|
|
const wchar *wp = ~text;
|
|
int odd = (angle / 900) & 1;
|
|
double ang = (double) (angle % 900) * M_2PI / 3600;
|
|
double sx = (double) ps.target.cx / ps.source.cx;
|
|
double sy = (double) ps.target.cy / ps.source.cy;
|
|
double ang2 = atan((odd ? sx / sy : sy / sx) * tan(ang));
|
|
DDUMP(odd);
|
|
DDUMP(cx);
|
|
DDUMP(sy);
|
|
DDUMP(sin(ang));
|
|
DDUMP(sin(ang2));
|
|
double q = (odd ? sx : sy) * sin(ang) / sin(ang2);
|
|
double error = 0;
|
|
while(nn--) {
|
|
int cx;
|
|
if(dxb) {
|
|
ps / cx;
|
|
DDUMP(cx);
|
|
}
|
|
else
|
|
cx = fi[*wp++];
|
|
double ncx = q * cx + error;
|
|
DDUMP(q * cx);
|
|
*wd++ = cx = (int) ncx;
|
|
error = ncx - cx;
|
|
}
|
|
int ht = (int)(fi.GetFontHeight() * (sx * sin(ang) * sin(ang2) + sy * cos(ang) * cos(ang2)));
|
|
font.Width(int(q * fi.GetAveWidth())).Height(ht ? ht : 1);
|
|
DrawText(ps.GetX(x), ps.GetY(y), int(ang2 * 3600 / M_2PI) + (angle / 900) * 900,
|
|
text, font, ink, dx);
|
|
*/
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// LOGEND();
|
|
End();
|
|
#ifdef _DEBUG
|
|
ASSERT(GetCloffLevel() == cl);
|
|
#endif
|
|
}
|
|
|
|
void Draw::DrawDrawing(int x, int y, int cx, int cy, const Drawing& w) {
|
|
DrawDrawing(RectC(x, y, cx, cy), w);
|
|
}
|
|
|
|
void Draw::DrawDrawing(int x, int y, const Drawing& iw)
|
|
{
|
|
Size sz = iw.GetSize();
|
|
DrawDrawing(RectC(x, y, sz.cx, sz.cy), iw);
|
|
}
|
|
|
|
void DrawingDraw::Create(int cx, int cy, bool dots_) {
|
|
Create(Size(cx, cy), dots_);
|
|
}
|
|
|
|
void DrawingDraw::Create(Size sz, bool dots_) {
|
|
drawing.Create();
|
|
size = sz;
|
|
dots = dots_;
|
|
val.Clear();
|
|
LLOG("DrawingDraw::Create, sz = " << sz << ", dots = " << dots << " -> clip = " << GetClip());
|
|
}
|
|
|
|
DrawingDraw::DrawingDraw()
|
|
{
|
|
}
|
|
|
|
DrawingDraw::DrawingDraw(Size sz, bool dots_) {
|
|
Create(sz, dots_);
|
|
}
|
|
|
|
DrawingDraw::DrawingDraw(int cx, int cy, bool dots_) {
|
|
Create(cx, cy, dots_);
|
|
}
|
|
|
|
Size Drawing::RatioSize(int cx, int cy) const {
|
|
return GetRatioSize(GetSize(), cx, cy);
|
|
}
|
|
|
|
void Drawing::Append(Drawing& dw)
|
|
{
|
|
if(IsNull(size))
|
|
size = dw.size;
|
|
data << dw.data;
|
|
for(int i = 0; i < dw.val.GetCount(); i++)
|
|
val.Add(dw.val[i]);
|
|
}
|
|
|
|
void Drawing::Serialize(Stream& s)
|
|
{
|
|
if(val.GetCount())
|
|
size.cy |= 0x80000000;
|
|
s % size;
|
|
s % data;
|
|
if(size.cy & 0x80000000) {
|
|
size.cy &= ~0x80000000;
|
|
s % val;
|
|
}
|
|
}
|
|
|
|
}
|