File: ops.c

package info (click to toggle)
swftools 0.9.2%2Bgit20130725-2
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 8,680 kB
  • ctags: 17,348
  • sloc: ansic: 108,712; sh: 8,494; cpp: 8,040; yacc: 2,260; lisp: 904; makefile: 601; python: 300
file content (195 lines) | stat: -rw-r--r-- 5,455 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
/* 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>
#ifndef WIN32
#include <unistd.h>
#endif
#include <memory.h>
#include <string.h>
#include "../types.h"
#include "../mem.h"
#include "../gfxdevice.h"
#include "../gfxtools.h"
#include "ops.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);
    vsnprintf(buf, sizeof(buf)-1, 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)/255;
    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 = (gfxcolor_t*)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, const char*action, const char*text)
{
    internal_t*i = (internal_t*)dev->internal;
    i->out->drawlink(i->out, line, action, text);
}

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)
{
    if(dev->internal) 
	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;
}