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libandroid: add bitmap.c

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Mis012
2024-06-13 20:58:52 +02:00
parent 67480873ab
commit 725df91af9
1 changed files with 24 additions and 10 deletions
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34
src/libandroid/bitmap.c
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@@ -1,18 +1,32 @@
#include <gtk/gtk.h>
#include <jni.h>
typedef void JNIEnv; // FIXME: put the header in a common place
typedef void AndroidBitmapInfo; #include "../api-impl-jni/defines.h"
typedef void* jobject;
#define ANDROID_BITMAP_RESULT_SUCCESS 0 #define ANDROID_BITMAP_RESULT_SUCCESS 0
struct AndroidBitmapInfo {
uint32_t width;
uint32_t height;
uint32_t stride;
int32_t format;
uint32_t flags;
};
int AndroidBitmap_getInfo(JNIEnv* env, jobject jbitmap, int AndroidBitmap_getInfo(JNIEnv* env, jobject bitmap, struct AndroidBitmapInfo *info) {
AndroidBitmapInfo* info) { GdkPixbuf *pixbuf = _PTR(_GET_LONG_FIELD(bitmap, "pixbuf"));
return ANDROID_BITMAP_RESULT_SUCCESS; info->width = gdk_pixbuf_get_width(pixbuf);
info->height = gdk_pixbuf_get_height(pixbuf);
info->stride = gdk_pixbuf_get_rowstride(pixbuf);
info->format = 1; // ANDROID_BITMAP_FORMAT_RGBA_8888
return ANDROID_BITMAP_RESULT_SUCCESS;
} }
int AndroidBitmap_lockPixels(JNIEnv* env, jobject jbitmap, void** addrPtr) { int AndroidBitmap_lockPixels(JNIEnv* env, jobject bitmap, void** pixels) {
return ANDROID_BITMAP_RESULT_SUCCESS; GdkPixbuf *pixbuf = _PTR(_GET_LONG_FIELD(bitmap, "pixbuf"));
*pixels = gdk_pixbuf_get_pixels(pixbuf);
return ANDROID_BITMAP_RESULT_SUCCESS;
} }
int AndroidBitmap_unlockPixels(JNIEnv* env, jobject jbitmap) { int AndroidBitmap_unlockPixels(JNIEnv* env, jobject bitmap) {
return ANDROID_BITMAP_RESULT_SUCCESS; return ANDROID_BITMAP_RESULT_SUCCESS;
} }