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#include "common.h"
fz_context *ctx;
dispatch_queue_t queue;
float screenScale = 1;
CGSize fitPageToScreen(CGSize page, CGSize screen)
{
float hscale = screen.width / page.width;
float vscale = screen.height / page.height;
float scale = fz_min(hscale, vscale);
hscale = floorf(page.width * scale) / page.width;
vscale = floorf(page.height * scale) / page.height;
return CGSizeMake(hscale, vscale);
}
static int hit_count = 0;
static fz_rect hit_bbox[500];
int search_page(fz_document *doc, int number, char *needle, fz_cookie *cookie)
{
fz_page *page = fz_load_page(doc, number);
fz_text_sheet *sheet = fz_new_text_sheet(ctx);
fz_text_page *text = fz_new_text_page(ctx);
fz_device *dev = fz_new_text_device(ctx, sheet, text);
fz_run_page(doc, page, dev, &fz_identity, cookie);
fz_free_device(dev);
hit_count = fz_search_text_page(ctx, text, needle, hit_bbox, nelem(hit_bbox));
fz_free_text_page(ctx, text);
fz_free_text_sheet(ctx, sheet);
fz_free_page(doc, page);
return hit_count;
}
fz_rect search_result_bbox(fz_document *doc, int i)
{
return hit_bbox[i];
}
static void releasePixmap(void *info, const void *data, size_t size)
{
if (queue)
dispatch_async(queue, ^{
fz_drop_pixmap(ctx, info);
});
else
{
fz_drop_pixmap(ctx, info);
}
}
CGDataProviderRef CreateWrappedPixmap(fz_pixmap *pix)
{
unsigned char *samples = fz_pixmap_samples(ctx, pix);
int w = fz_pixmap_width(ctx, pix);
int h = fz_pixmap_height(ctx, pix);
return CGDataProviderCreateWithData(pix, samples, w * 4 * h, releasePixmap);
}
CGImageRef CreateCGImageWithPixmap(fz_pixmap *pix, CGDataProviderRef cgdata)
{
int w = fz_pixmap_width(ctx, pix);
int h = fz_pixmap_height(ctx, pix);
CGColorSpaceRef cgcolor = CGColorSpaceCreateDeviceRGB();
CGImageRef cgimage = CGImageCreate(w, h, 8, 32, 4 * w, cgcolor, kCGBitmapByteOrderDefault, cgdata, NULL, NO, kCGRenderingIntentDefault);
CGColorSpaceRelease(cgcolor);
return cgimage;
}
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