mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-03 22:01:55 +03:00
283 lines
6.3 KiB
C
283 lines
6.3 KiB
C
#include "fitz.h"
|
|
#include "muxps.h"
|
|
|
|
static inline int unhex(int a)
|
|
{
|
|
if (a >= 'A' && a <= 'F') return a - 'A' + 0xA;
|
|
if (a >= 'a' && a <= 'f') return a - 'a' + 0xA;
|
|
if (a >= '0' && a <= '9') return a - '0';
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
xps_parse_brush(xps_context *ctx, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node)
|
|
{
|
|
/* SolidColorBrushes are handled in a special case and will never show up here */
|
|
if (!strcmp(xml_tag(node), "ImageBrush"))
|
|
xps_parse_image_brush(ctx, ctm, area, base_uri, dict, node);
|
|
else if (!strcmp(xml_tag(node), "VisualBrush"))
|
|
xps_parse_visual_brush(ctx, ctm, area, base_uri, dict, node);
|
|
else if (!strcmp(xml_tag(node), "LinearGradientBrush"))
|
|
xps_parse_linear_gradient_brush(ctx, ctm, area, base_uri, dict, node);
|
|
else if (!strcmp(xml_tag(node), "RadialGradientBrush"))
|
|
xps_parse_radial_gradient_brush(ctx, ctm, area, base_uri, dict, node);
|
|
else
|
|
fz_warn("unknown brush tag: %s", xml_tag(node));
|
|
}
|
|
|
|
void
|
|
xps_parse_element(xps_context *ctx, fz_matrix ctm, fz_rect area, char *base_uri, xps_resource *dict, xml_element *node)
|
|
{
|
|
if (!strcmp(xml_tag(node), "Path"))
|
|
xps_parse_path(ctx, ctm, base_uri, dict, node);
|
|
if (!strcmp(xml_tag(node), "Glyphs"))
|
|
xps_parse_glyphs(ctx, ctm, base_uri, dict, node);
|
|
if (!strcmp(xml_tag(node), "Canvas"))
|
|
xps_parse_canvas(ctx, ctm, area, base_uri, dict, node);
|
|
/* skip unknown tags (like Foo.Resources and similar) */
|
|
}
|
|
|
|
void
|
|
xps_begin_opacity(xps_context *ctx, fz_matrix ctm, fz_rect area,
|
|
char *base_uri, xps_resource *dict,
|
|
char *opacity_att, xml_element *opacity_mask_tag)
|
|
{
|
|
float opacity;
|
|
|
|
if (!opacity_att && !opacity_mask_tag)
|
|
return;
|
|
|
|
opacity = 1;
|
|
if (opacity_att)
|
|
opacity = fz_atof(opacity_att);
|
|
|
|
if (opacity_mask_tag && !strcmp(xml_tag(opacity_mask_tag), "SolidColorBrush"))
|
|
{
|
|
char *scb_opacity_att = xml_att(opacity_mask_tag, "Opacity");
|
|
char *scb_color_att = xml_att(opacity_mask_tag, "Color");
|
|
if (scb_opacity_att)
|
|
opacity = opacity * fz_atof(scb_opacity_att);
|
|
if (scb_color_att)
|
|
{
|
|
fz_colorspace *colorspace;
|
|
float samples[32];
|
|
xps_parse_color(ctx, base_uri, scb_color_att, &colorspace, samples);
|
|
opacity = opacity * samples[0];
|
|
}
|
|
opacity_mask_tag = NULL;
|
|
}
|
|
|
|
if (ctx->opacity_top + 1 < nelem(ctx->opacity))
|
|
{
|
|
ctx->opacity[ctx->opacity_top + 1] = ctx->opacity[ctx->opacity_top] * opacity;
|
|
ctx->opacity_top++;
|
|
}
|
|
|
|
if (opacity_mask_tag)
|
|
{
|
|
fz_begin_mask(ctx->dev, area, 0, NULL, NULL);
|
|
xps_parse_brush(ctx, ctm, area, base_uri, dict, opacity_mask_tag);
|
|
fz_end_mask(ctx->dev);
|
|
}
|
|
}
|
|
|
|
void
|
|
xps_end_opacity(xps_context *ctx, char *base_uri, xps_resource *dict,
|
|
char *opacity_att, xml_element *opacity_mask_tag)
|
|
{
|
|
if (!opacity_att && !opacity_mask_tag)
|
|
return;
|
|
|
|
if (ctx->opacity_top > 0)
|
|
ctx->opacity_top--;
|
|
|
|
if (opacity_mask_tag)
|
|
{
|
|
if (strcmp(xml_tag(opacity_mask_tag), "SolidColorBrush"))
|
|
fz_pop_clip(ctx->dev);
|
|
}
|
|
}
|
|
|
|
void
|
|
xps_parse_render_transform(xps_context *ctx, char *transform, fz_matrix *matrix)
|
|
{
|
|
float args[6];
|
|
char *s = transform;
|
|
int i;
|
|
|
|
args[0] = 1; args[1] = 0;
|
|
args[2] = 0; args[3] = 1;
|
|
args[4] = 0; args[5] = 0;
|
|
|
|
for (i = 0; i < 6 && *s; i++)
|
|
{
|
|
args[i] = fz_atof(s);
|
|
while (*s && *s != ',')
|
|
s++;
|
|
if (*s == ',')
|
|
s++;
|
|
}
|
|
|
|
matrix->a = args[0]; matrix->b = args[1];
|
|
matrix->c = args[2]; matrix->d = args[3];
|
|
matrix->e = args[4]; matrix->f = args[5];
|
|
}
|
|
|
|
void
|
|
xps_parse_matrix_transform(xps_context *ctx, xml_element *root, fz_matrix *matrix)
|
|
{
|
|
char *transform;
|
|
|
|
*matrix = fz_identity;
|
|
|
|
if (!strcmp(xml_tag(root), "MatrixTransform"))
|
|
{
|
|
transform = xml_att(root, "Matrix");
|
|
if (transform)
|
|
xps_parse_render_transform(ctx, transform, matrix);
|
|
}
|
|
}
|
|
|
|
void
|
|
xps_parse_rectangle(xps_context *ctx, char *text, fz_rect *rect)
|
|
{
|
|
float args[4];
|
|
char *s = text;
|
|
int i;
|
|
|
|
args[0] = 0; args[1] = 0;
|
|
args[2] = 1; args[3] = 1;
|
|
|
|
for (i = 0; i < 4 && *s; i++)
|
|
{
|
|
args[i] = fz_atof(s);
|
|
while (*s && *s != ',')
|
|
s++;
|
|
if (*s == ',')
|
|
s++;
|
|
}
|
|
|
|
rect->x0 = args[0];
|
|
rect->y0 = args[1];
|
|
rect->x1 = args[0] + args[2];
|
|
rect->y1 = args[1] + args[3];
|
|
}
|
|
|
|
static int count_commas(char *s)
|
|
{
|
|
int n = 0;
|
|
while (*s)
|
|
{
|
|
if (*s == ',')
|
|
n ++;
|
|
s ++;
|
|
}
|
|
return n;
|
|
}
|
|
|
|
void
|
|
xps_parse_color(xps_context *ctx, char *base_uri, char *string,
|
|
fz_colorspace **csp, float *samples)
|
|
{
|
|
char *p;
|
|
int i, n;
|
|
char buf[1024];
|
|
char *profile;
|
|
|
|
*csp = fz_device_rgb;
|
|
|
|
samples[0] = 1;
|
|
samples[1] = 0;
|
|
samples[2] = 0;
|
|
samples[3] = 0;
|
|
|
|
if (string[0] == '#')
|
|
{
|
|
if (strlen(string) == 9)
|
|
{
|
|
samples[0] = unhex(string[1]) * 16 + unhex(string[2]);
|
|
samples[1] = unhex(string[3]) * 16 + unhex(string[4]);
|
|
samples[2] = unhex(string[5]) * 16 + unhex(string[6]);
|
|
samples[3] = unhex(string[7]) * 16 + unhex(string[8]);
|
|
}
|
|
else
|
|
{
|
|
samples[0] = 255;
|
|
samples[1] = unhex(string[1]) * 16 + unhex(string[2]);
|
|
samples[2] = unhex(string[3]) * 16 + unhex(string[4]);
|
|
samples[3] = unhex(string[5]) * 16 + unhex(string[6]);
|
|
}
|
|
|
|
samples[0] /= 255;
|
|
samples[1] /= 255;
|
|
samples[2] /= 255;
|
|
samples[3] /= 255;
|
|
}
|
|
|
|
else if (string[0] == 's' && string[1] == 'c' && string[2] == '#')
|
|
{
|
|
if (count_commas(string) == 2)
|
|
sscanf(string, "sc#%g,%g,%g", samples + 1, samples + 2, samples + 3);
|
|
if (count_commas(string) == 3)
|
|
sscanf(string, "sc#%g,%g,%g,%g", samples, samples + 1, samples + 2, samples + 3);
|
|
}
|
|
|
|
else if (strstr(string, "ContextColor ") == string)
|
|
{
|
|
/* Crack the string for profile name and sample values */
|
|
fz_strlcpy(buf, string, sizeof buf);
|
|
|
|
profile = strchr(buf, ' ');
|
|
if (!profile)
|
|
{
|
|
fz_warn("cannot find icc profile uri in '%s'", string);
|
|
return;
|
|
}
|
|
|
|
*profile++ = 0;
|
|
p = strchr(profile, ' ');
|
|
if (!p)
|
|
{
|
|
fz_warn("cannot find component values in '%s'", profile);
|
|
return;
|
|
}
|
|
|
|
*p++ = 0;
|
|
n = count_commas(p) + 1;
|
|
i = 0;
|
|
while (i < n)
|
|
{
|
|
samples[i++] = fz_atof(p);
|
|
p = strchr(p, ',');
|
|
if (!p)
|
|
break;
|
|
p ++;
|
|
if (*p == ' ')
|
|
p ++;
|
|
}
|
|
while (i < n)
|
|
{
|
|
samples[i++] = 0;
|
|
}
|
|
|
|
/* TODO: load ICC profile */
|
|
switch (n)
|
|
{
|
|
case 2: *csp = fz_device_gray; break;
|
|
case 4: *csp = fz_device_rgb; break;
|
|
case 5: *csp = fz_device_cmyk; break;
|
|
default: *csp = fz_device_gray; break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
xps_set_color(xps_context *ctx, fz_colorspace *colorspace, float *samples)
|
|
{
|
|
int i;
|
|
ctx->colorspace = colorspace;
|
|
for (i = 0; i < colorspace->n; i++)
|
|
ctx->color[i] = samples[i + 1];
|
|
ctx->alpha = samples[0] * ctx->opacity[ctx->opacity_top];
|
|
}
|