diff options
| -rw-r--r-- | platform/java/src/com/artifex/mupdf/fitz/android/AndroidDrawDevice.java | 55 |
1 files changed, 49 insertions, 6 deletions
diff --git a/platform/java/src/com/artifex/mupdf/fitz/android/AndroidDrawDevice.java b/platform/java/src/com/artifex/mupdf/fitz/android/AndroidDrawDevice.java index 2be2ae59..3e189ade 100644 --- a/platform/java/src/com/artifex/mupdf/fitz/android/AndroidDrawDevice.java +++ b/platform/java/src/com/artifex/mupdf/fitz/android/AndroidDrawDevice.java @@ -4,22 +4,65 @@ import android.graphics.Bitmap; import com.artifex.mupdf.fitz.NativeDevice; import com.artifex.mupdf.fitz.RectI; +import com.artifex.mupdf.fitz.Rect; + +import com.artifex.mupdf.fitz.Page; +import com.artifex.mupdf.fitz.Matrix; public final class AndroidDrawDevice extends NativeDevice { - // NOT static. private native long newNative(Bitmap bitmap, int pageX0, int pageY0, int pageX1, int pageY1, int patchX0, int patchY0, int patchX1, int patchY1); - // Construction - public AndroidDrawDevice(Bitmap bitmap, int pageX0, int pageY0, int pageX1, int pageY1, int patchX0, int patchY0, int patchX1, int patchY1) - { + public AndroidDrawDevice(Bitmap bitmap, + int pageX0, int pageY0, int pageX1, int pageY1, + int patchX0, int patchY0, int patchX1, int patchY1) { super(0); pointer = newNative(bitmap, pageX0, pageY0, pageX1, pageY1, patchX0, patchY0, patchX1, patchY1); } - public AndroidDrawDevice(Bitmap bitmap, RectI page, RectI patch) - { + public AndroidDrawDevice(Bitmap bitmap, RectI page, RectI patch) { super(0); pointer = newNative(bitmap, page.x0, page.y0, page.x1, page.y1, patch.x0, patch.y0, patch.x1, patch.y1); } + + public static Bitmap drawPage(Page page, Matrix ctm) { + Rect fbox = page.getBounds().transform(ctm); + RectI ibox = new RectI((int)fbox.x0, (int)fbox.y0, (int)fbox.x1, (int)fbox.y1); + int w = ibox.x1 - ibox.x0; + int h = ibox.y1 - ibox.y0; + Bitmap bmp = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888); + AndroidDrawDevice dev = new AndroidDrawDevice(bmp, ibox, ibox); + page.run(dev, ctm, null); + dev.close(); + dev.destroy(); + return bmp; + } + + public static Bitmap drawPage(Page page, float dpi, int rotate) { + return drawPage(page, new Matrix(dpi / 72).rotate(rotate)); + } + + public static Bitmap drawPage(Page page, float dpi) { + return drawPage(page, new Matrix(dpi / 72)); + } + + public static Bitmap drawPageFit(Page page, int fitW, int fitH) { + Rect bbox = page.getBounds(); + float pageW = bbox.x1 - bbox.x0; + float pageH = bbox.y1 - bbox.y0; + float scaleH = (float)fitW / pageW; + float scaleV = (float)fitH / pageH; + float scale = scaleH < scaleV ? scaleH : scaleV; + scaleH = (float)Math.floor(pageW * scale) / pageW; + scaleV = (float)Math.floor(pageH * scale) / pageH; + return drawPage(page, new Matrix(scaleH, scaleV)); + } + + public static Bitmap drawPageFitWidth(Page page, int fitW) { + Rect bbox = page.getBounds(); + float pageW = bbox.x1 - bbox.x0; + float scale = (float)fitW / pageW; + scale = (float)Math.floor(pageW * scale) / pageW; + return drawPage(page, new Matrix(scale)); + } } |