void MyWidget::transform_img_back()
{
if(image)
delete image;
image = transform_back();
this->update();
}
void pdf_drawchar(gfxdevice_t*dev, gfxfont_t*font, int glyphnr, gfxcolor_t*color, gfxmatrix_t*matrix)
{
internal_t*i = (internal_t*)dev->internal;
if(!font)
return;
gfxglyph_t*glyph = &font->glyphs[glyphnr];
char as_shape = 0;
if(!type3 && !ttf) {msg("<warning> No type3 enabled. Drawing char %d as shape", glyphnr);as_shape=1;}
if(glyphnr>256-32) {msg("<warning> Drawing char %d as shape (not < 224)", glyphnr);as_shape=1;}
if(as_shape) {
reset_matrix(i);
PDF_setrgbcolor_fill(i->p, color->r/255.0, color->g/255.0, color->b/255.0);
gfxline_t*line2 = gfxline_clone(glyph->line);
gfxline_transform(line2, matrix);
if(mkline(line2, i->p, i->config_xpad, i->config_ypad, 1.0, 1)) {
PDF_fill(i->p);
}
gfxline_free(line2);
} else {
assert(gfxfontlist_hasfont(i->fontlist, font));
int fontid = (int)(ptroff_t)gfxfontlist_getuserdata(i->fontlist, font->id);
gfxmatrix_t m = *matrix;
m.m00*=64;
m.m01*=64;
m.m10*=64;
m.m11*=64;
if(ttf) {
m.m10 = -m.m10;
m.m11 = -m.m11;
}
if(!(fabs(m.m00 - i->m00) < 1e-6 &&
fabs(m.m01 - i->m01) < 1e-6 &&
fabs(m.m10 - i->m10) < 1e-6 &&
fabs(m.m11 - i->m11) < 1e-6)) {
set_matrix(i, m.m00, m.m01, m.m10, m.m11);
}
double tx, ty;
transform_back(i, m.tx+i->config_xpad, m.ty+i->config_ypad, &tx, &ty);
PDF_setfont(i->p, fontid, ttf?16.0:1.0);
PDF_setrgbcolor_fill(i->p, color->r/255.0, color->g/255.0, color->b/255.0);
char name[32];
sprintf(name, "%c", glyphnr+32);
if(fabs(tx - i->lastx) > 0.001 || ty != i->lasty) {
PDF_show_xy2(i->p, name, strlen(name), tx, ty);
} else {
PDF_show2(i->p, name, strlen(name));
}
i->lastx = tx + glyph->advance;
i->lasty = ty;
}
}
void pdf_fillbitmap(gfxdevice_t*dev, gfxline_t*line, gfximage_t*img, gfxmatrix_t*matrix, gfxcxform_t*cxform)
{
internal_t*i = (internal_t*)dev->internal;
int t,size=img->width*img->height;
int has_alpha=0;
for(t=0;t<size;t++) {
if(img->data[t].a!=255) {
has_alpha=1;
break;
}
}
double w = sqrt(matrix->m00*matrix->m00+matrix->m01*matrix->m01);
double h = sqrt(matrix->m10*matrix->m10+matrix->m11*matrix->m11);
double l1 = w*img->width;
double l2 = h*img->height;
double dpi_x = 72.0 / w;
double dpi_y = 72.0 / h;
double dpi = dpi_x>dpi_y?dpi_x:dpi_y;
gfximage_t*rescaled_image = 0;
if(i->config_maxdpi && dpi > i->config_maxdpi) {
int newwidth = img->width*i->config_maxdpi/dpi;
int newheight = img->height*i->config_maxdpi/dpi;
rescaled_image = gfximage_rescale(img, newwidth, newheight);
msg("<notice> Downscaling %dx%d image (dpi %f, %.0fx%.0f on page) to %dx%d (dpi %d)",
img->width, img->height, dpi, l1, l2, newwidth, newheight, i->config_maxdpi);
img = rescaled_image;
}
if(i->config_mindpi && dpi < i->config_mindpi && img->width>1 && img->height>1) {
msg("<error> Found image of size %dx%d with dpi %f, minimum allowed dpi is %d",
img->width, img->height, dpi, i->config_mindpi);
exit(1);
}
char tempfile[128];
mktempname(tempfile, "jpg");
gfximage_save_jpeg(img, tempfile, 96);
int imgid=-1;
if(has_alpha) {
char tempfile2[128];
mktempname(tempfile2, "jpg");
int t;
int size = img->width*img->height;
unsigned char*alpha = malloc(size);
for(t=0;t<size;t++) {
alpha[t] = img->data[t].a;
}
jpeg_save_gray(alpha, img->width, img->height, 97, tempfile2);
free(alpha);
int maskid = PDF_load_image(i->p, "jpeg", tempfile2, 0, "mask");
unlink(tempfile2);
char masked[80];
if(maskid<0) {
msg("<error> Couldn't process mask jpeg of size %dx%d: error code %d", img->width, img->height, maskid);
return;
}
sprintf(masked, "masked %d", maskid);
imgid = PDF_load_image(i->p, "jpeg", tempfile, 0, masked);
} else {
imgid = PDF_load_image(i->p, "jpeg", tempfile, 0, "");
}
if(imgid<0) {
msg("<error> Couldn't process jpeg of size %dx%d: error code %d, file %s", img->width, img->height, imgid, tempfile);
return;
}
unlink(tempfile);
char options[80];
set_matrix(i, matrix->m00, matrix->m01, matrix->m10, matrix->m11);
/* an image's (0,0) is at the lower left corner */
double x=matrix->tx + i->config_xpad + matrix->m10*img->height;
double y=matrix->ty + i->config_ypad + matrix->m11*img->height;
double tx,ty;
transform_back(i, x, y, &tx, &ty);
PDF_place_image(i->p, imgid, tx, ty, 1.0);
PDF_close_image(i->p, imgid);
if(rescaled_image)
gfximage_free(rescaled_image);
}
