expose bitmap in js.

Review URL: http://codereview.chromium.org/150058

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@20700 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 153 insertions, 0 deletions

diff --git a/o3d/plugin/idl/bitmap.idl b/o3d/plugin/idl/bitmap.idl
new file mode 100644
index 0000000..066ca5a
--- /dev/null
+++ b/o3d/plugin/idl/bitmap.idl
@@ -0,0 +1,92 @@
+/*

+ * Copyright 2009, Google Inc.

+ * All rights reserved.

+ *

+ * Redistribution and use in source and binary forms, with or without

+ * modification, are permitted provided that the following conditions are

+ * met:

+ *

+ *     * Redistributions of source code must retain the above copyright

+ * notice, this list of conditions and the following disclaimer.

+ *     * Redistributions in binary form must reproduce the above

+ * copyright notice, this list of conditions and the following disclaimer

+ * in the documentation and/or other materials provided with the

+ * distribution.

+ *     * Neither the name of Google Inc. nor the names of its

+ * contributors may be used to endorse or promote products derived from

+ * this software without specific prior written permission.

+ *

+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

+ */

+

+

+namespace o3d {

+

+%[

+Bitmap provides an interface for basic image operations on bitmap,

+including scale and crop. The contents of bitmap can be created from

+RawData via pack.createBitmapFromRawData(), and also can be transfered 

+to mip of a Texure2D or a specific face of TextureCUBE via methods

+in Texture.

+%]

+

+[nocpp, include="core/cross/bitmap.h"]

+class Bitmap : ParamObject {

+  %[

+  enum ImageFileType {

+    \li UNKNOWN, Image type unknown.

+    \li TGA, image in TGA format.

+    \li JPEG, image in JPEG format.

+    \li PNG, image in PNG format.

+    \li DDS, image in DDS format.

+  };

+  %]

+  enum ImageFileType {

+    UNKNOWN,

+    TGA,

+    JPEG,

+    PNG,

+    DDS

+  };

+

+  %[

+    Copy pixels from source bitmap. Scales if the width and height of source

+    and dest do not match.

+    \param source_img source bitmap which would be drawn.

+    \param source_x x-coordinate of the starting pixel in the source image.

+    \param source_y y-coordinate of the starting pixel in the source image.

+    \param source_width width of the source image to draw.

+    \param source_height Height of the source image to draw.

+    \param dest_x x-coordinate of the starting pixel in the dest image.

+    \param dest_y y-coordinate of the starting pixel in the dest image.

+    \param dest_width width of the dest image to draw.

+    \param dest_height height of the dest image to draw.

+  %]

+  void DrawImage(Bitmap source_img, int source_x, int source_y, 

+                 int source_width, int source_height, 

+                 int dest_x, int dest_y, 

+                 int dest_width, int dest_height);

+

+  %[

+    The width of the bitmap (read only).

+  %]

+  [getter] int width_;

+

+  %[

+    The height of the bitmap (read only).

+  %]

+  [getter] int height_;

+

+};  // Bitmap

+

+}  // namespace o3d

diff --git a/o3d/plugin/idl/pack.idl b/o3d/plugin/idl/pack.idl
index d52424a..0c9cba7 100644
--- a/o3d/plugin/idl/pack.idl
+++ b/o3d/plugin/idl/pack.idl
@@ -116,6 +116,7 @@ typedef ObjectBase[] ObjectArray;
     Note: You may omit the 'o3d.'.
 
     \param type_name name of Class to create. Valid type names are:
+        \li o3d.Bitmap
         \li o3d.Canvas
         \li o3d.CanvasLinearGradient
         \li o3d.CanvasPaint
@@ -306,6 +307,25 @@ typedef ObjectBase[] ObjectArray;
   %]
   Texture? CreateTextureFromRawData(RawData raw_data,
                                     bool generate_mips);
+
+  %[
+    Create a new Bitmap object from RawData.
+
+    \param raw_data contains the bitmap data in one of the know formats.
+    \return the new bitmap object.
+  %]
+  Bitmap? CreateBitmapFromRawData(RawData raw_data);
+
+  %[
+    Create a new Bitmap object of the specified size and format and
+    reserves the necessary resources for it.
+
+    \param width The width of the bitmap in pixel.
+    \param height The height of the bitmap in pixel.
+    \param format The format of the bitmap.
+    \return the new bitmap obejct.
+  %]
+  Bitmap? CreateBitmap(int width, int height, Texture::Format format);
 };  // Pack
 
 }  // namespace o3d
diff --git a/o3d/plugin/idl/texture.idl b/o3d/plugin/idl/texture.idl
index 014f77e..6207e9f 100644
--- a/o3d/plugin/idl/texture.idl
+++ b/o3d/plugin/idl/texture.idl
@@ -186,6 +186,25 @@ namespace o3d {
                int source_width,
                float[] values);
 
+  %[
+    Copy pixels from source bitmap to certain mip level.
+    Scales if the width and height of source and dest do not match.
+
+    \param source_img source bitmap which would be drawn.
+    \param source_x x-coordinate of the starting pixel in the source image.
+    \param source_y y-coordinate of the starting pixel in the source image.
+    \param source_width width of the source image to draw.
+    \param source_height Height of the source image to draw.
+    \param dest_x x-coordinate of the starting pixel in the dest image.
+    \param dest_y y-coordinate of the starting pixel in the dest image.
+    \param dest_width width of the dest image.
+    \param dest_height height of the dest image.
+    \param dest_mip on which mip level the sourceImg would be drawn.
+  %]
+  void DrawImage(Bitmap source_img, int source_x, int source_y,
+                 int source_width, int source_height,
+                 int dest_x, int dest_y,
+                 int dest_width, int dest_height, int dest_mip);
 
   [verbatim=cpp_glue] %{
     void SetRectCheck(o3d::Texture2D* self,
@@ -426,6 +445,28 @@ coordinates.
     \return The RenderSurface object.
   %]
   RenderSurface? GetRenderSurface(CubeFace face, int mip_level, Pack pack);
+
+  %[
+    Copy pixels from source bitmap to certain mip level.
+    Scales if the width and height of source and dest do not match.
+
+    \param source_img source bitmap which would be drawn.
+    \param source_x x-coordinate of the starting pixel in the source image.
+    \param source_y y-coordinate of the starting pixel in the source image.
+    \param source_width width of the source image to draw.
+    \param source_height Height of the source image to draw.
+    \param dest_x x-coordinate of the starting pixel in the dest image.
+    \param dest_y y-coordinate of the starting pixel in the dest image.
+    \param dest_width width of the dest image.
+    \param dest_height height of the dest image.
+    \param face on which face the sourceImg would be drawn.
+    \param dest_mip on which mip level the sourceImg would be drawn.
+  %]
+  void DrawImage(Bitmap source_img, int source_x, int source_y,
+                 int source_width, int source_height,
+                 int dest_x, int dest_y,
+                 int dest_width, int dest_height,
+                 CubeFace face, int dest_mip);
 };  // TextureCUBE
 
 }  // namespace o3d