new devices, for color transformations

diff --git a/lib/devices/ops.c b/lib/devices/ops.c
new file mode 100644 (file)
index 0000000..911bc47
--- /dev/null
+++ b/lib/devices/ops.c
@@ -0,0 +1,189 @@
+/* ops.c
+
+   Part of the swftools package.
+
+   Copyright (c) 2006 Matthias Kramm <kramm@quiss.org> 
+ 
+   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 */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <unistd.h>
+#include <memory.h>
+#include "../types.h"
+#include "../mem.h"
+#include "../gfxdevice.h"
+#include "../gfxtools.h"
+
+typedef struct _internal {
+    gfxdevice_t*out;
+    U8 alpha;
+} internal_t;
+
+static int verbose = 1;
+static void dbg(char*format, ...)
+{
+    if(!verbose)
+       return;
+    char buf[1024];
+    int l;
+    va_list arglist;
+    va_start(arglist, format);
+    vsprintf(buf, format, arglist);
+    va_end(arglist);
+    l = strlen(buf);
+    while(l && buf[l-1]=='\n') {
+       buf[l-1] = 0;
+       l--;
+    }
+    printf("(device-ops) %s\n", buf);
+    fflush(stdout);
+}
+
+inline gfxcolor_t transform_color(internal_t*i, gfxcolor_t*col)
+{
+    gfxcolor_t col2;
+    /*col2.r = (col->r * i->alpha)>>8;
+    col2.g = (col->g * i->alpha)>>8;
+    col2.b = (col->b * i->alpha)>>8;*/
+    col2.r = col->r;
+    col2.g = col->g;
+    col2.b = col->b;
+    col2.a = (col->a * i->alpha)>>8;
+    return col2;
+}
+
+int ops_setparameter(struct _gfxdevice*dev, const char*key, const char*value)
+{
+    internal_t*i = (internal_t*)dev->internal;
+    return i->out->setparameter(i->out,key,value);
+}
+
+void ops_startpage(struct _gfxdevice*dev, int width, int height)
+{
+    internal_t*i = (internal_t*)dev->internal;
+    i->out->startpage(i->out,width,height);
+}
+
+void ops_startclip(struct _gfxdevice*dev, gfxline_t*line)
+{
+    internal_t*i = (internal_t*)dev->internal;
+    i->out->startclip(i->out,line);
+}
+
+void ops_endclip(struct _gfxdevice*dev)
+{
+    internal_t*i = (internal_t*)dev->internal;
+    i->out->endclip(i->out);
+}
+
+void ops_stroke(struct _gfxdevice*dev, gfxline_t*line, gfxcoord_t width, gfxcolor_t*color, gfx_capType cap_style, gfx_joinType joint_style, gfxcoord_t miterLimit)
+{
+    internal_t*i = (internal_t*)dev->internal;
+    gfxcolor_t color2 = transform_color(i, color);
+    i->out->stroke(i->out, line, width, &color2, cap_style, joint_style, miterLimit);
+}
+
+void ops_fill(struct _gfxdevice*dev, gfxline_t*line, gfxcolor_t*color)
+{
+    internal_t*i = (internal_t*)dev->internal;
+    gfxcolor_t color2 = transform_color(i, color);
+    i->out->fill(i->out, line, &color2);
+}
+
+void ops_fillbitmap(struct _gfxdevice*dev, gfxline_t*line, gfximage_t*img, gfxmatrix_t*matrix, gfxcxform_t*cxform)
+{
+    internal_t*i = (internal_t*)dev->internal;
+    gfximage_t img2;
+    img2.width = img->width;
+    img2.height = img->height;
+    img2.data = malloc(img->width*img->height*4);
+    int x,y; 
+    for(y=0;y<img->height;y++)  {
+       gfxcolor_t*in = &img->data[y*img->width];
+       gfxcolor_t*out = &img2.data[y*img->width];
+       for(x=0;x<img->width;x++) {
+           out[x] = transform_color(i, &in[x]);
+       }
+    }
+    i->out->fillbitmap(i->out, line, &img2, matrix, cxform);
+    free(img2.data);
+}
+
+void ops_fillgradient(struct _gfxdevice*dev, gfxline_t*line, gfxgradient_t*gradient, gfxgradienttype_t type, gfxmatrix_t*matrix)
+{
+    internal_t*i = (internal_t*)dev->internal;
+    i->out->fillgradient(i->out, line, gradient, type, matrix);
+}
+
+void ops_addfont(struct _gfxdevice*dev, gfxfont_t*font)
+{
+    internal_t*i = (internal_t*)dev->internal;
+    i->out->addfont(i->out, font);
+}
+
+void ops_drawchar(struct _gfxdevice*dev, gfxfont_t*font, int glyphnr, gfxcolor_t*color, gfxmatrix_t*matrix)
+{
+    internal_t*i = (internal_t*)dev->internal;
+    gfxcolor_t color2 = transform_color(i, color);
+    i->out->drawchar(i->out, font, glyphnr, color, matrix);
+}
+
+void ops_drawlink(struct _gfxdevice*dev, gfxline_t*line, char*action)
+{
+    internal_t*i = (internal_t*)dev->internal;
+    i->out->drawlink(i->out, line, action);
+}
+
+void ops_endpage(struct _gfxdevice*dev)
+{
+    internal_t*i = (internal_t*)dev->internal;
+    i->out->endpage(i->out);
+}
+
+gfxresult_t* ops_finish(struct _gfxdevice*dev)
+{
+    free(dev->internal);dev->internal = 0;
+    return 0;
+}
+
+void gfxdevice_ops_init(gfxdevice_t*dev, gfxdevice_t*out, U8 alpha)
+{
+    internal_t*i = (internal_t*)rfx_calloc(sizeof(internal_t));
+    memset(dev, 0, sizeof(gfxdevice_t));
+
+    dev->name = "ops";
+
+    dev->internal = i;
+
+    dev->setparameter = ops_setparameter;
+    dev->startpage = ops_startpage;
+    dev->startclip = ops_startclip;
+    dev->endclip = ops_endclip;
+    dev->stroke = ops_stroke;
+    dev->fill = ops_fill;
+    dev->fillbitmap = ops_fillbitmap;
+    dev->fillgradient = ops_fillgradient;
+    dev->addfont = ops_addfont;
+    dev->drawchar = ops_drawchar;
+    dev->drawlink = ops_drawlink;
+    dev->endpage = ops_endpage;
+    dev->finish = ops_finish;
+
+    i->out = out;
+    i->alpha = alpha;
+}
+

diff --git a/lib/devices/ops.h b/lib/devices/ops.h
new file mode 100644 (file)
index 0000000..1739a4b
--- /dev/null
+++ b/lib/devices/ops.h
@@ -0,0 +1,38 @@
+/* swfoutput.h
+   Header file for swfoutput.cc (and swfoutput_x11.cc).
+
+   Part of the swftools package.
+
+   Copyright (c) 2001,2002,2003 Matthias Kramm <kramm@quiss.org> 
+ 
+   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 */
+
+#ifndef __gfxdevice_ops_h__
+#define __gfxdevice_ops_h__
+
+#include "../gfxdevice.h"
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void gfxdevice_ops_init(gfxdevice_t*self, gfxdevice_t*dest, unsigned char alpha);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif //__gfxdevice_ops_h__