Updates to the unix sample app.

Rather than placing pixels, use XPutImage to place the bitmap on screen.

Modify the color arrangements for 8888 when building the sample app, so
they agree with X.

Add a title to simple sample.

Include SkTouchGesture.



git-svn-id: http://skia.googlecode.com/svn/trunk@963 2bbb7eff-a529-9590-31e7-b0007b416f81

Makefile

@@ -106,6 +106,9 @@ else
 	LINKER_OPTS += -lpng -lfreetype -lGL
 	DEFINES += -DSK_BUILD_FOR_UNIX -DSK_ENABLE_LIBPNG -DGR_LINUX_BUILD=1
 
+    ifeq ($(SKIA_SAMPLES_FOR_X),true)
+        DEFINES += -DSK_SAMPLES_FOR_X
+    endif
 	# needed for freetype support
 	C_INCLUDES += -I/usr/include/freetype2
 	SRC_LIST += src/ports/SkFontHost_linux.cpp

include/config/SkUserConfig.h

@@ -141,5 +141,14 @@
 //#define SK_SUPPORT_UNITTEST
 #endif
 
+/*  Change the ordering to work in X windows.
+ */
+#ifdef SK_SAMPLES_FOR_X
+        #define SK_R32_SHIFT    16
+        #define SK_G32_SHIFT    8
+        #define SK_B32_SHIFT    0
+        #define SK_A32_SHIFT    24
+#endif
+
 #endif
 

src/utils/unix/SkOSWindow_Unix.cpp

@@ -72,14 +72,24 @@ void SkOSWindow::doPaint() {
     if (!fUnixWindow.fDisplay) return;
     // Draw the bitmap to the screen.
     const SkBitmap& bitmap = getBitmap();
-    for (int i = 0; i < bitmap.width(); i++) {
-        for (int j = 0; j < bitmap.height(); j++) {
-            // Get the pixel, put it on the screen.
-            SkColor color = bitmap.getColor(i, j);
-            XSetForeground(fUnixWindow.fDisplay, fUnixWindow.fGc, color);
-            XDrawPoint(fUnixWindow.fDisplay, fUnixWindow.fWin, fUnixWindow.fGc, i, j);
-        }
-    }
+
+    XImage image;
+    sk_bzero(&image, sizeof(image));
+
+    int bitsPerPixel = bitmap.bytesPerPixel() * 8;
+    image.width = bitmap.width();
+    image.height = bitmap.height();
+    image.format = ZPixmap;
+    image.data = (char*) bitmap.getPixels();
+    image.byte_order = LSBFirst;
+    image.bitmap_unit = bitsPerPixel;
+    image.bitmap_bit_order = LSBFirst;
+    image.bitmap_pad = bitsPerPixel;
+    image.depth = 24;
+    image.bytes_per_line = bitmap.rowBytes() - bitmap.width() * bitmap.bytesPerPixel();
+    image.bits_per_pixel = bitsPerPixel;
+    int status = XInitImage(&image);
+    XPutImage(fUnixWindow.fDisplay, fUnixWindow.fWin, fUnixWindow.fGc, &image, 0, 0, 0, 0, width(), height());
 }
 
 bool SkOSWindow::onHandleChar(SkUnichar)

src/views/views_files.mk

@@ -6,7 +6,8 @@ SOURCE := \
     SkTagList.cpp \
     SkView.cpp \
     SkViewPriv.cpp \
-    SkWindow.cpp
+    SkWindow.cpp \
+    SkTouchGesture.cpp
 #    SkBGViewArtist.cpp \
     SkListView.cpp \
     SkListWidget.cpp \

unix_test_app/DrawBlueSample.cpp

@@ -1,6 +1,7 @@
+#include "SampleCode.h"
 #include "SkCanvas.h"
 #include "SkColor.h"
-#include "SampleCode.h"
+#include "SkEvent.h"
 #include "SkView.h"
 
 class DrawBlue : public SkView {
@@ -11,6 +12,15 @@ protected:
     virtual void onDraw(SkCanvas* canvas) {
         canvas->drawColor(SK_ColorBLUE);
     }
+    virtual bool onQuery(SkEvent* evt) {
+        if (SampleCode::TitleQ(*evt)) {
+            SampleCode::TitleR(evt, "DrawBlue");
+            return true;
+        }
+        return this->INHERITED::onQuery(evt);
+    }
+private:
+    typedef SkView INHERITED;
 };
 
 static SkView* MyFactory() { return new DrawBlue; }

unix_test_app/makefile

@@ -12,12 +12,12 @@ C_INCLUDES := -I../include/core \
               -I../include/utils/unix \
               -I../samplecode
 
-VPATH = libs:../src/ports:../samplecode:../src/core:../out:../src/utils/unix
+VPATH = libs:../src/ports:../samplecode:../src/core:../src/utils/unix
 
 #generate debugging info
 CFLAGS = -g
 
-SRC_LIST := main.cpp SkOSWindow_Unix.cpp SkXMLParser_empty.cpp SkDebug.cpp keysym2ucs.c
+SRC_LIST := main.cpp SkOSWindow_Unix.cpp SkXMLParser_empty.cpp SkDebug.cpp
 
 #views files
 include ../src/views/views_files.mk
@@ -31,6 +31,17 @@ SRC_LIST += $(addprefix ../src/xml/, $(SOURCE))
 include ../samplecode/samplecode_files.mk
 SRC_LIST += $(addprefix ../samplecode/, $(SOURCE))
 
-output: $(SRC_LIST) -lX11 -lskia -lpthread -lz -lfreetype -lGL -lpng
+
+out/output: $(SRC_LIST) out/keysym2ucs.o ../out/libskia.a -lX11 -lpthread -lz -lfreetype -lGL -lpng
 	g++ $(C_INCLUDES) $(CFLAGS) $^ -o $@
 
+out/keysym2ucs.o: ../src/utils/unix/keysym2ucs.c
+	@mkdir -p $(dir $@)
+	@gcc -c $(C_INCLUDES) $(CFLAGS) $^ -o $@
+
+../out/libskia.a:
+	@$(MAKE) -C ../ SKIA_SAMPLES_FOR_X=true
+
+clean:
+	rm -rf ../out # Copied from ../Makefile
+	rm -rf out