1 files changed, 658 insertions, 0 deletions

diff --git a/core/multimedia/opieplayer/libflash/graphic16.cc b/core/multimedia/opieplayer/libflash/graphic16.cc
new file mode 100644
index 0000000..24d0c20
--- a/dev/null
+++ b/core/multimedia/opieplayer/libflash/graphic16.cc
@@ -0,0 +1,658 @@
+////////////////////////////////////////////////////////////
+// Flash Plugin and Player
+// Copyright (C) 1998 Olivier Debon
+// 
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+// 
+///////////////////////////////////////////////////////////////
+//  Author : Olivier Debon  <odebon@club-internet.fr>
+//  
+
+#include "swf.h"
+
+#include "graphic16.h"
+
+extern unsigned char SQRT[];
+
+#define FULL_AA
+
+#define PRINT 0
+
+typedef unsigned short TYPE;
+
+GraphicDevice16::GraphicDevice16(FlashDisplay *fd) : GraphicDevice(fd)
+{
+}
+
+long
+GraphicDevice16::allocColor(Color color)
+{
+        return (color.red >> 3)<<11 | (color.green>>2)<<5 | (color.blue>>3);
+}
+
+void
+GraphicDevice16::clearCanvas()
+{
+    TYPE  pixel;
+    TYPE *point,*p;
+    long                 h, w,n;
+
+    if (!bgInitialized) return;
+
+    pixel = allocColor(backgroundColor);
+
+    point = (TYPE *)(canvasBuffer + clip_rect.ymin * bpl) + clip_rect.xmin;
+    w = clip_rect.xmax - clip_rect.xmin;
+    h = clip_rect.ymax - clip_rect.ymin;
+
+    while (h--) {
+        p = point;
+        n = w;
+        while (n--) {
+            *p++ = pixel;
+        }
+
+        point = (TYPE *)((char *)point + bpl);
+    }
+
+    flashDisplay->flash_refresh = 1;
+    flashDisplay->clip_x = clip_rect.xmin;
+    flashDisplay->clip_y = clip_rect.ymin;
+    flashDisplay->clip_width  = clip_rect.xmax-clip_rect.xmin;
+    flashDisplay->clip_height = clip_rect.ymax-clip_rect.ymin;
+}
+
+#define RED_MASK   0xF800
+#define GREEN_MASK 0x07E0
+#define BLUE_MASK  0x001F
+
+/* alpha = 0 : select c1, alpha = 255 select c2 */
+static inline unsigned long
+mix_alpha(unsigned long c1, 
+                                      unsigned long c2, int alpha)
+{
+        long r1,r2,r;
+        long g1,g2,g;
+        long b1,b2,b;
+
+        r1 = c1 & RED_MASK;
+        r2 = c2 & RED_MASK;
+        r = (((r2-r1)*alpha + r1 * 256) >> 8) & RED_MASK;
+
+        g1 = c1 & GREEN_MASK;
+        g2 = c2 & GREEN_MASK;
+        g = (((g2-g1)*alpha + g1 * 256) >> 8) & GREEN_MASK;
+
+        b1 = c1 & BLUE_MASK;
+        b2 = c2 & BLUE_MASK;
+        b = (((b2-b1)*alpha + b1 * 256) >> 8) & BLUE_MASK;
+
+        return (r|g|b);
+}
+
+void
+GraphicDevice16::fillLineAA(FillStyleDef *f, long y, long start, long end)
+{
+    register long   n;
+    TYPE *line;
+    TYPE *point,pixel;
+    unsigned int alpha, start_alpha,end_alpha;
+    
+    if (clip(y,start,end)) return;
+    
+    line = (TYPE *)(canvasBuffer + bpl*y);
+    
+    alpha = f->color.alpha;
+    pixel = f->color.pixel;
+    
+    if (alpha == ALPHA_OPAQUE) {
+
+        start_alpha = 255 - ((start & (FRAC-1)) << (8-FRAC_BITS));
+        end_alpha = (end & (FRAC-1)) << (8-FRAC_BITS);
+        
+        start >>= FRAC_BITS;
+        end >>= FRAC_BITS;
+        
+        point = &line[start];
+
+        if (start == end) {
+            *point = mix_alpha(*point, pixel, start_alpha + end_alpha - 255);
+        } else {
+            n = end-start;
+            if (start_alpha < 255) {
+                *point = mix_alpha(*point, pixel, start_alpha);
+                point++;
+                n--;
+            }
+            while (n > 0) {
+                *point = pixel;
+                point++;
+                n--;
+            }
+            if (end_alpha > 0) {
+                *point = mix_alpha(*point, pixel, end_alpha);
+            }
+        }
+    } else {
+
+        start_alpha = 255 - ((start & (FRAC-1)) << (8-FRAC_BITS));
+        end_alpha = (end & (FRAC-1)) << (8-FRAC_BITS);
+
+        start >>= FRAC_BITS;
+        end >>= FRAC_BITS;
+        
+        point = &line[start];
+        
+        if (start == end) {
+            *point = mix_alpha(*point, pixel, 
+                               ((start_alpha + end_alpha - 255) * alpha) >> 8);
+        } else {
+            n = end-start;
+            if (start_alpha < 255) {
+                *point = mix_alpha(*point, pixel, (start_alpha * alpha) >> 8);
+                point++;
+                n--;
+            }
+            while (n > 0) {
+                *point = mix_alpha(*point, pixel, alpha);
+                point++;
+                n--;
+            }
+            if (end_alpha > 0) {
+                *point = mix_alpha(*point, pixel, (end_alpha * alpha) >> 8);
+            }
+        }
+    }
+}
+
+void
+GraphicDevice16::fillLine(FillStyleDef *f, long y, long start, long end)
+{
+        register long   n;
+        TYPE *line,*point;
+        TYPE pixel;
+        unsigned int alpha;
+
+        if (clip(y,start,end)) return;
+
+        start >>= FRAC_BITS;
+        end >>= FRAC_BITS;
+
+        line = (TYPE *)(canvasBuffer + bpl*y);
+                point = &line[start];           
+                n = end-start;                  
+        pixel = f->color.pixel;
+        alpha = f->color.alpha;
+        if (alpha == ALPHA_OPAQUE) {
+            while (n--) { 
+                *point = pixel;
+                        point++;                
+            }
+        } else {
+            while (n--) { 
+                *point = mix_alpha(*point, pixel, alpha);
+                        point++;                
+            }
+        }
+}
+
+void
+GraphicDevice16::fillLineBitmap(FillStyleDef *f, long y, long start, long end)
+{
+    int n;
+    long x1,y1,dx,dy;
+    Matrix *m = &f->bitmap_matrix;
+    Bitmap *b = f->bitmap;
+    unsigned char *pixels;
+    TYPE *p;
+    Color *cmap;
+    long pixbpl;
+    TYPE pixel;
+    int offset;
+    unsigned char *alpha_table;
+
+    /* safety test) */
+    if (!b) return;
+
+    if (clip(y,start,end)) return;
+    
+    start /= FRAC;
+    end /= FRAC;
+    n = end - start;
+    p = (TYPE *) (this->canvasBuffer + this->bpl*y + start * 2);
+    
+    /* the coordinates in the image are normalized to 16 bits */
+    x1 = (long) (m->a * start + m->b * y + m->tx);
+    y1 = (long) (m->c * start + m->d * y + m->ty);
+    dx = (long) (m->a);
+    dy = (long) (m->c);
+    
+    pixels = b->pixels;
+    pixbpl = b->bpl;
+    cmap = f->cmap;
+
+    if (b->alpha_buf == NULL) {
+        while (n) {
+            if (x1 >= 0 && y1 >= 0 && 
+                (x1 >> 16) < b->width && (y1 >> 16) < b->height) {
+                
+                pixel = cmap[pixels[(y1 >> 16) * pixbpl + (x1 >> 16)]].pixel;
+                *p = pixel;
+            }
+            x1 += dx;
+            y1 += dy;
+            p++;
+            n--;
+        }
+    } else if (f->alpha_table) {
+        alpha_table = f->alpha_table;
+        while (n) {
+            if (x1 >= 0 && y1 >= 0 && 
+                (x1 >> 16) < b->width && (y1 >> 16) < b->height) {
+                
+                offset = (y1 >> 16) * pixbpl + (x1 >> 16);
+                pixel = cmap[pixels[offset]].pixel;
+                *p = mix_alpha(*p, pixel, alpha_table[b->alpha_buf[offset]]);
+            }
+            x1 += dx;
+            y1 += dy;
+            p++;
+            n--;
+        }
+    } else {
+        while (n) {
+            if (x1 >= 0 && y1 >= 0 && 
+                (x1 >> 16) < b->width && (y1 >> 16) < b->height) {
+                
+                offset = (y1 >> 16) * pixbpl + (x1 >> 16);
+                pixel = cmap[pixels[offset]].pixel;
+                *p = mix_alpha(*p, pixel, b->alpha_buf[offset]);
+            }
+            x1 += dx;
+            y1 += dy;
+            p++;
+            n--;
+        }
+    }
+}
+
+void
+GraphicDevice16::fillLineLG(Gradient *grad, long y, long start, long end)
+{
+        long dr,r,v,r2;
+        register long n;
+        TYPE *line;
+        TYPE *point;
+        Color *cp,*ramp;
+        Matrix *m = &grad->imat;
+        unsigned int start_alpha,end_alpha;
+
+        if (clip(y,start,end)) return;
+
+        start_alpha = 255 - ((start & (FRAC-1)) << (8-FRAC_BITS));
+        end_alpha = (end & (FRAC-1)) << (8-FRAC_BITS);
+        
+        start /= FRAC;
+        end /= FRAC;
+
+        n = end-start;
+
+        r = (long) (m->a * start + m->b * y + m->tx);
+        dr = (long) (m->a);
+
+        ramp = grad->ramp;
+
+        line = (TYPE *)(canvasBuffer + bpl*y);
+                point = &line[start];
+
+        r2 = r + n * dr;
+        if ( ((r | r2) & ~255) == 0 ) {
+            if (!grad->has_alpha) {
+#ifdef FULL_AA
+                if (start_alpha < 255) {
+                    v = r>>16;
+                    *point = mix_alpha(*point, (TYPE)ramp[v].pixel, start_alpha);
+                    point++;
+                    r += dr;
+                    n--;
+                }
+#endif /* FULL_AA */
+                while (n>0) {
+                    v = r>>16;
+                            *point = (TYPE)ramp[v].pixel;
+                            point++;                    
+                            r += dr;                    
+                    n--;
+                }
+#ifdef FULL_AA
+                if (end_alpha > 0) {
+                    v = r>>16;
+                    *point = mix_alpha(*point, (TYPE)ramp[v].pixel, end_alpha);
+                }
+#endif /* FULL_AA */
+            } else {
+                while (n--) {
+                    v = r>>16;
+                    cp = &ramp[v];
+                    *point = mix_alpha(*point, cp->pixel, cp->alpha);
+                    point++;
+                    r += dr;
+                }
+            }
+        } else {
+            if (!grad->has_alpha) {
+#ifdef FULL_AA
+                if (start_alpha < 255) {
+                    v = r>>16;
+                    if (v < 0) v = 0;
+                    else if (v > 255) v = 255;
+                    *point = mix_alpha(*point, (TYPE)ramp[v].pixel, start_alpha);
+                    point++;
+                    r += dr;
+                    n--;
+                }
+#endif /* FULL_AA */
+                while (n>0) {
+                    v = r>>16;
+                    if (v < 0) v = 0;
+                    else if (v > 255) v = 255;
+                            *point = (TYPE)ramp[v].pixel;
+                            point++;                    
+                            r += dr;                    
+                    n--;
+                }
+#ifdef FULL_AA
+                if (end_alpha > 0) {
+                    v = r>>16;
+                    if (v < 0) v = 0;
+                    else if (v > 255) v = 255;
+                    *point = mix_alpha(*point, (TYPE)ramp[v].pixel, end_alpha);
+                }
+#endif /* FULL_AA */
+            } else {
+                while (n--) {
+                    v = r>>16;
+                    if (v < 0) v = 0;
+                    else if (v > 255) v = 255;
+                    cp = &ramp[v];
+                    *point = mix_alpha(*point, cp->pixel, cp->alpha);
+                    point++;
+                    r += dr;
+                }
+            }
+        }
+}
+
+void
+GraphicDevice16::fillLineRG(Gradient *grad, long y, long start, long end)
+{
+        long X,dx,r,Y,dy;
+        long dist2;
+        register long   n;
+        Color *cp,*ramp;
+                TYPE *line;                                             
+                TYPE *point;                                            
+        Matrix *m = &grad->imat;
+        unsigned int start_alpha,end_alpha;
+
+        if (clip(y,start,end)) return;
+
+        start_alpha = 255 - ((start & (FRAC-1)) << (8-FRAC_BITS));
+        end_alpha = (end & (FRAC-1)) << (8-FRAC_BITS);
+        
+        start /= FRAC;
+        end /= FRAC;
+
+        n = end-start;
+        
+        X = (long) (m->a * start + m->b * y + m->tx);
+        Y = (long) (m->c * start + m->d * y + m->ty);
+        dx = (long) (m->a);
+        dy = (long) (m->c);
+
+        ramp = grad->ramp;
+                                                                        
+        line = (TYPE *)(canvasBuffer + bpl*y);
+        point = &line[start];
+                             
+        if (!grad->has_alpha) {
+#ifdef FULL_AA
+                if (start == end) {
+                        dist2 = ((X>>16)*(X>>16))+((Y>>16)*(Y>>16));
+                        if ((unsigned long)dist2 >= 65536) {
+                                    r = 255;                            
+                                } else {                                        
+                                    r = SQRT[dist2];
+                        }
+                        *point = mix_alpha(*point, (TYPE)ramp[r].pixel, start_alpha + end_alpha - 255);
+                } else {
+                    if (start_alpha < 255) {
+                        dist2 = ((X>>16)*(X>>16))+((Y>>16)*(Y>>16));
+                        if ((unsigned long)dist2 >= 65536) {
+                                    r = 255;                            
+                                } else {                                        
+                                    r = SQRT[dist2];
+                        }
+                        *point = mix_alpha(*point, (TYPE)ramp[r].pixel, start_alpha);
+                        point++;
+                                X += dx;                                        
+                                Y += dy;                                        
+                        n--;
+                    }
+#endif /* FULL_AA */
+                            while (n>0) {                               
+                        dist2 = ((X>>16)*(X>>16))+((Y>>16)*(Y>>16));
+                        if ((unsigned long)dist2 >= 65536) {
+                                    r = 255;                            
+                                } else {                                        
+                                    r= SQRT[dist2];
+                        }
+                        *point = (TYPE)ramp[r].pixel;
+                                point++;                             
+                                X += dx;                                        
+                                Y += dy;                                        
+                        n--;
+                            }   
+#ifdef FULL_AA
+                    if (end_alpha > 0) {
+                        dist2 = ((X>>16)*(X>>16))+((Y>>16)*(Y>>16));
+                        if ((unsigned long)dist2 >= 65536) {
+                                    r = 255;                            
+                                } else {                                        
+                                    r= SQRT[dist2];
+                        }
+                        *point = mix_alpha(*point, (TYPE)ramp[r].pixel, end_alpha);
+                    }
+                }
+#endif /* FULL_AA */
+
+        } else {
+                    while (n--) {                               
+                dist2 = ((X>>16)*(X>>16))+((Y>>16)*(Y>>16));
+                if ((unsigned long)dist2 >= 65536) {
+                            r = 255;                            
+                        } else {                                        
+                            r= SQRT[dist2];
+                }
+                cp = &ramp[r];
+                *point = mix_alpha(*point, cp->pixel, cp->alpha);
+                point++;
+                        X += dx;                                        
+                        Y += dy;                                        
+                    }   
+        }
+}
+
+void
+GraphicDevice16::drawLine(long x1, long y1, long x2, long y2, long width)
+{
+    int n,adr,dx,dy,sx,color;
+    register int a;
+    register TYPE *pp;
+    int alpha;
+
+    x1 = (x1) >> FRAC_BITS;
+    y1 = (y1) >> FRAC_BITS;
+    x2 = (x2) >> FRAC_BITS;
+    y2 = (y2) >> FRAC_BITS;
+    
+    if (y1 > y2 || (y1 == y2 && x1 > x2)) {
+        long tmp;
+
+        tmp=x1;
+        x1=x2;
+        x2=tmp;
+
+        tmp=y1;
+        y1=y2;
+        y2=tmp;
+    }
+
+    if (y1 == y2 && (y1 < clip_rect.ymin || y1 > clip_rect.ymax)) return;
+    if (x1 == x2 && (x1 < clip_rect.xmin || x1 > clip_rect.xmax)) return;
+            if (x1 == x2 && y1 == y2) return;// Bad !!!
+
+    if (y1 < clip_rect.ymin && y1 != y2) {
+        x1 += (x2-x1)*(clip_rect.ymin-y1)/(y2-y1);
+        y1 = clip_rect.ymin;
+    }
+
+    if (y2 > clip_rect.ymax && y1 != y2) {
+        x2 -= (x2-x1)*(y2-clip_rect.ymax)/(y2-y1);
+        y2 = clip_rect.ymax;
+    }
+
+    if (x1 < x2) {
+            if (x1 < clip_rect.xmin && x1 != x2) {
+                y1 += (y2-y1)*(clip_rect.xmin-x1)/(x2-x1);
+                x1 = clip_rect.xmin;
+            }
+
+            if (x2 > clip_rect.xmax && x1 != x2) {
+                y2 -= (y2-y1)*(x2-clip_rect.xmax)/(x2-x1);
+                x2 = clip_rect.xmax;
+            }
+    }
+
+    if (x1 > x2) {
+            if (x2 < clip_rect.xmin && x2 != x1) {
+                y2 -= (y2-y1)*(clip_rect.xmin-x2)/(x1-x2);
+                x2 = clip_rect.xmin;
+            }
+
+            if (x1 > clip_rect.xmax && x2 != x1) {
+                y1 += (y2-y1)*(x1-clip_rect.xmax)/(x1-x2);
+                x1 = clip_rect.xmax;
+            }
+    }
+
+    // Check again
+    if (x1 == x2 && y1 == y2) return;
+    if (x1 < clip_rect.xmin || x2 < clip_rect.xmin) return;
+    if (y1 < clip_rect.ymin || y2 < clip_rect.ymin) return;
+    if (x1 > clip_rect.xmax || x2 > clip_rect.xmax) return;
+    if (y1 > clip_rect.ymax || y2 > clip_rect.ymax) return;
+
+    sx=bpl >> 1;
+    adr=(y1 * sx + x1);
+    pp = (TYPE *)canvasBuffer + adr;
+    
+    dx = x2 - x1;
+    dy = y2 - y1;
+
+    color = allocColor(foregroundColor);
+    alpha = foregroundColor.alpha;
+
+    if (alpha == ALPHA_OPAQUE) {
+
+        #define PUTPIXEL()                      \
+          {                                     \
+              *pp=color;                        \
+  }
+
+#define DRAWLINE(dx,dy,inc_1,inc_2) \
+    n=dx;\
+    a=2*dy-dx;\
+    dy=2*dy;\
+    dx=2*dx-dy;\
+         do {\
+      PUTPIXEL();\
+                        if (a>0) { pp+=(inc_1); a-=dx; }\
+                        else { pp+=(inc_2); a+=dy; }\
+         } while (--n >= 0);
+
+/* fin macro */
+
+  if (dx == 0 && dy == 0) {
+    PUTPIXEL();
+  } else if (dx > 0) {
+    if (dx >= dy) {
+      DRAWLINE(dx, dy, sx + 1, 1);
+    } else {
+      DRAWLINE(dy, dx, sx + 1, sx);
+    }
+  } else {
+    dx = -dx;
+    if (dx >= dy) {
+      DRAWLINE(dx, dy, sx - 1, -1);
+    } else {
+      DRAWLINE(dy, dx, sx - 1, sx);
+    }
+  }
+
+
+#undef DRAWLINE
+#undef PUTPIXEL
+    } else {
+        #define PUTPIXEL()                      \
+          {                                     \
+              *pp=mix_alpha(*pp,color,alpha);        \
+  }
+
+#define DRAWLINE(dx,dy,inc_1,inc_2) \
+    n=dx;\
+    a=2*dy-dx;\
+    dy=2*dy;\
+    dx=2*dx-dy;\
+         do {\
+      PUTPIXEL();\
+                        if (a>0) { pp+=(inc_1); a-=dx; }\
+                        else { pp+=(inc_2); a+=dy; }\
+         } while (--n >= 0);
+
+/* fin macro */
+
+  if (dx == 0 && dy == 0) {
+    PUTPIXEL();
+  } else if (dx > 0) {
+    if (dx >= dy) {
+      DRAWLINE(dx, dy, sx + 1, 1);
+    } else {
+      DRAWLINE(dy, dx, sx + 1, sx);
+    }
+  } else {
+    dx = -dx;
+    if (dx >= dy) {
+      DRAWLINE(dx, dy, sx - 1, -1);
+    } else {
+      DRAWLINE(dy, dx, sx - 1, sx);
+    }
+  }
+
+
+#undef DRAWLINE
+#undef PUTPIXEL
+    }
+}