static void drawbmp(fz_context *ctx, fz_document *doc, fz_page *page, fz_display_list *list, int pagenum, fz_cookie *cookie)
{
float zoom;
fz_matrix ctm;
fz_irect ibounds;
fz_rect bounds, tbounds;
int w, h;
fz_device *dev;
HDC dc, dc_main;
RECT rc;
HBRUSH bg_brush;
HBITMAP hbmp;
BITMAPINFO bmi = { 0 };
int bmp_data_len;
unsigned char *bmp_data;
fz_bound_page(doc, page, &bounds);
zoom = resolution / 72;
fz_pre_scale(fz_rotate(&ctm, rotation), zoom, zoom);
tbounds = bounds;
fz_round_rect(&ibounds, fz_transform_rect(&tbounds, &ctm));
w = width;
h = height;
if (res_specified)
{
fz_round_rect(&ibounds, &tbounds);
if (w && ibounds.x1 - ibounds.x0 <= w)
w = 0;
if (h && ibounds.y1 - ibounds.y0 <= h)
h = 0;
}
if (w || h)
{
float scalex = w / (tbounds.x1 - tbounds.x0);
float scaley = h / (tbounds.y1 - tbounds.y0);
fz_matrix scale_mat;
if (w == 0)
scalex = fit ? 1.0f : scaley;
if (h == 0)
scaley = fit ? 1.0f : scalex;
if (!fit)
scalex = scaley = min(scalex, scaley);
fz_concat(&ctm, &ctm, fz_scale(&scale_mat, scalex, scaley));
tbounds = bounds;
fz_transform_rect(&tbounds, &ctm);
}
fz_round_rect(&ibounds, &tbounds);
fz_rect_from_irect(&tbounds, &ibounds);
w = ibounds.x1 - ibounds.x0;
h = ibounds.y1 - ibounds.y0;
dc_main = GetDC(NULL);
dc = CreateCompatibleDC(dc_main);
hbmp = CreateCompatibleBitmap(dc_main, w, h);
DeleteObject(SelectObject(dc, hbmp));
SetRect(&rc, 0, 0, w, h);
bg_brush = CreateSolidBrush(RGB(0xFF,0xFF,0xFF));
FillRect(dc, &rc, bg_brush);
DeleteObject(bg_brush);
dev = fz_new_gdiplus_device(ctx, dc, &tbounds);
if (list)
fz_run_display_list(list, dev, &ctm, &tbounds, cookie);
else
fz_run_page(doc, page, dev, &ctm, cookie);
fz_free_device(dev);
bmi.bmiHeader.biSize = sizeof(bmi.bmiHeader);
bmi.bmiHeader.biWidth = w;
bmi.bmiHeader.biHeight = output_format == OUT_TGA ? -h : h;
bmi.bmiHeader.biPlanes = 1;
bmi.bmiHeader.biBitCount = output_format == OUT_TGA ? 32 : 24;
bmi.bmiHeader.biCompression = BI_RGB;
bmp_data_len = output_format == OUT_TGA ? w * h * 4 : ((w * 3 + 3) / 4) * 4 * h;
bmp_data = fz_malloc(ctx, bmp_data_len);
if (!GetDIBits(dc, hbmp, 0, h, bmp_data, &bmi, DIB_RGB_COLORS))
fz_throw(ctx, FZ_ERROR_GENERIC, "cannot draw page %d in PDF file '%s'", pagenum, filename);
DeleteDC(dc);
ReleaseDC(NULL, dc_main);
DeleteObject(hbmp);
if (output)
{
char buf[512];
FILE *f;
sprintf(buf, output, pagenum);
f = fopen(buf, "wb");
if (!f)
fz_throw(ctx, FZ_ERROR_GENERIC, "could not create raster file '%s'", buf);
if (output_format == OUT_TGA)
{
fz_pixmap *pix = fz_new_pixmap_with_data(ctx, fz_device_bgr(ctx), w, h, bmp_data);
fz_write_tga(ctx, pix, buf, 0);
fz_drop_pixmap(ctx, pix);
}
else
{
BITMAPFILEHEADER bmpfh = { 0 };
static const int one = 1;
if (!*(char *)&one)
fz_throw(ctx, FZ_ERROR_GENERIC, "rendering to BMP is not supported on big-endian architectures");
bmpfh.bfType = MAKEWORD('B', 'M');
bmpfh.bfOffBits = sizeof(bmpfh) + sizeof(bmi);
bmpfh.bfSize = bmpfh.bfOffBits + bmp_data_len;
fwrite(&bmpfh, sizeof(bmpfh), 1, f);
fwrite(&bmi, sizeof(bmi), 1, f);
fwrite(bmp_data, 1, bmp_data_len, f);
}
fclose(f);
}
if (showmd5)
{
fz_pixmap *pix = fz_new_pixmap_with_data(ctx, fz_device_bgr(ctx), bmp_data_len / 4 / h, h, bmp_data);
unsigned char digest[16];
int i;
fz_md5_pixmap(pix, digest);
printf(" ");
for (i = 0; i < 16; i++)
printf("%02x", digest[i]);
fz_drop_pixmap(ctx, pix);
}
fz_free(ctx, bmp_data);
}
static void drawbmp(fz_context *ctx, fz_document *doc, fz_page *page, fz_display_list *list, int pagenum)
{
float zoom;
fz_matrix ctm;
fz_bbox bbox;
fz_rect bounds, bounds2;
int w, h;
fz_device *dev;
HDC dc, dc_main;
RECT rc;
HBRUSH bg_brush;
HBITMAP hbmp;
BITMAPINFO bmi = { 0 };
int bmp_data_len;
char *bmp_data;
bounds = fz_bound_page(doc, page);
zoom = resolution / 72;
ctm = fz_scale(zoom, zoom);
ctm = fz_concat(ctm, fz_rotate(rotation));
bounds2 = fz_transform_rect(ctm, bounds);
w = width;
h = height;
if (res_specified)
{
bbox = fz_round_rect(bounds2);
if (w && bbox.x1 - bbox.x0 <= w)
w = 0;
if (h && bbox.y1 - bbox.y0 <= h)
h = 0;
}
if (w || h)
{
float scalex = w / (bounds2.x1 - bounds2.x0);
float scaley = h / (bounds2.y1 - bounds2.y0);
if (w == 0)
scalex = fit ? 1.0f : scaley;
if (h == 0)
scaley = fit ? 1.0f : scalex;
if (!fit)
scalex = scaley = min(scalex, scaley);
ctm = fz_concat(ctm, fz_scale(scalex, scaley));
bounds2 = fz_transform_rect(ctm, bounds);
}
bbox = fz_round_rect(bounds2);
w = bbox.x1 - bbox.x0;
h = bbox.y1 - bbox.y0;
dc_main = GetDC(NULL);
dc = CreateCompatibleDC(dc_main);
hbmp = CreateCompatibleBitmap(dc_main, w, h);
DeleteObject(SelectObject(dc, hbmp));
SetRect(&rc, 0, 0, w, h);
bg_brush = CreateSolidBrush(RGB(0xFF,0xFF,0xFF));
FillRect(dc, &rc, bg_brush);
DeleteObject(bg_brush);
dev = fz_new_gdiplus_device(ctx, dc, fz_rect_from_bbox(bbox));
if (list)
fz_run_display_list(list, dev, ctm, fz_rect_from_bbox(bbox), NULL);
else
fz_run_page(doc, page, dev, ctm, NULL);
fz_free_device(dev);
bmi.bmiHeader.biSize = sizeof(bmi.bmiHeader);
bmi.bmiHeader.biWidth = w;
bmi.bmiHeader.biHeight = h;
bmi.bmiHeader.biPlanes = 1;
bmi.bmiHeader.biBitCount = 24;
bmi.bmiHeader.biCompression = BI_RGB;
bmp_data_len = ((w * 3 + 3) / 4) * 4 * h;
bmp_data = fz_malloc(ctx, bmp_data_len + 1);
if (!GetDIBits(dc, hbmp, 0, h, bmp_data, &bmi, DIB_RGB_COLORS))
fz_throw(ctx, "cannot draw page %d in PDF file '%s'", pagenum, filename);
DeleteDC(dc);
ReleaseDC(NULL, dc_main);
DeleteObject(hbmp);
if (output)
{
char buf[512];
FILE *f;
sprintf(buf, output, pagenum);
f = fopen(buf, "wb");
if (!f)
fz_throw(ctx, "could not create raster file '%s'", buf);
if (strstr(output, ".bmp"))
{
BITMAPFILEHEADER bmpfh = { 0 };
static const int one = 1;
if (!*(char *)&one)
fz_throw(ctx, "rendering to BMP is not supported on big-endian architectures");
bmpfh.bfType = MAKEWORD('B', 'M');
bmpfh.bfOffBits = sizeof(bmpfh) + sizeof(bmi);
bmpfh.bfSize = bmpfh.bfOffBits + bmp_data_len;
fwrite(&bmpfh, sizeof(bmpfh), 1, f);
fwrite(&bmi, sizeof(bmi), 1, f);
fwrite(bmp_data, 1, bmp_data_len, f);
}
else
{
unsigned short width = w, height = h, k;
fwrite("\0\0\x0A\0\0\0\0\0\0\0\0\0", 1, 12, f);
putc(width & 0xFF, f); putc((width >> 8) & 0xFF, f);
putc(height & 0xFF, f); putc((height >> 8) & 0xFF, f);
fwrite("\x18\0", 1, 2, f);
for (k = 0; k < height; k++)
{
int i, j;
char *line = bmp_data + bmp_data_len / h * k;
for (i = 0, j = 1; i < width; i += j, j = 1)
{
#define memeq3(a, b) (*(WORD *)(a) == *(WORD *)(b) && (a)[2] == (b)[2])
for (; i + j < width && j < 128 && memeq3(line + i * 3, line + (i + j) * 3); j++);
if (j > 1)
{
putc(j - 1 + 128, f);
fwrite(line + i * 3, 1, 3, f);
}
else
{
for (; i + j < width && j <= 128 && !memeq3(line + (i + j - 1) * 3, line + (i + j) * 3) != 0; j++);
if (i + j < width || j > 128)
j--;
putc(j - 1, f);
fwrite(line + i * 3, 1, j * 3, f);
}
#undef memeq3
}
}
fwrite("\0\0\0\0\0\0\0\0TRUEVISION-XFILE.\0", 1, 26, f);
}
fclose(f);
}
if (showmd5)
{
fz_pixmap *pix = fz_new_pixmap_with_data(ctx, fz_device_rgb, bmp_data_len / 4 / h, h, bmp_data);
unsigned char digest[16];
int i;
fz_md5_pixmap(pix, digest);
printf(" ");
for (i = 0; i < 16; i++)
printf("%02x", digest[i]);
fz_drop_pixmap(ctx, pix);
}
fz_free(ctx, bmp_data);
}
