Merge tag 'android-10.0.0_r25' into aosp10-4
Android 10.0.0 release 25
diff --git a/minui/resources.cpp b/minui/resources.cpp
index fd57893..8379885 100644
--- a/minui/resources.cpp
+++ b/minui/resources.cpp
@@ -14,6 +14,8 @@
* limitations under the License.
*/
+#include "private/resources.h"
+
#include <fcntl.h>
#include <linux/fb.h>
#include <linux/kd.h>
@@ -25,89 +27,68 @@
#include <sys/types.h>
#include <unistd.h>
+#include <limits>
#include <memory>
#include <regex>
#include <string>
#include <vector>
+<<<<<<< HEAD
//#include <android-base/stringprintf.h> // does not exist in 6.0
//#include <android-base/strings.h> // does not exist in 6.0
+=======
+#include <android-base/strings.h>
+>>>>>>> android-10.0.0_r25
#include <png.h>
#include "minui/minui.h"
-#define SURFACE_DATA_ALIGNMENT 8
+static std::string g_resource_dir{ "/res/images" };
-static GRSurface* malloc_surface(size_t data_size) {
- size_t size = sizeof(GRSurface) + data_size + SURFACE_DATA_ALIGNMENT;
- unsigned char* temp = static_cast<unsigned char*>(malloc(size));
- if (temp == NULL) return NULL;
- GRSurface* surface = reinterpret_cast<GRSurface*>(temp);
- surface->data = temp + sizeof(GRSurface) +
- (SURFACE_DATA_ALIGNMENT - (sizeof(GRSurface) % SURFACE_DATA_ALIGNMENT));
- return surface;
+std::unique_ptr<GRSurface> GRSurface::Create(size_t width, size_t height, size_t row_bytes,
+ size_t pixel_bytes) {
+ if (width == 0 || row_bytes == 0 || height == 0 || pixel_bytes == 0) return nullptr;
+ if (std::numeric_limits<size_t>::max() / row_bytes < height) return nullptr;
+
+ // Cannot use std::make_unique to access non-public ctor.
+ auto result = std::unique_ptr<GRSurface>(new GRSurface(width, height, row_bytes, pixel_bytes));
+ size_t data_size = row_bytes * height;
+ result->data_size_ =
+ (data_size + kSurfaceDataAlignment - 1) / kSurfaceDataAlignment * kSurfaceDataAlignment;
+ result->data_.reset(
+ static_cast<uint8_t*>(aligned_alloc(kSurfaceDataAlignment, result->data_size_)));
+ if (!result->data_) return nullptr;
+ return result;
}
-// This class handles the png file parsing. It also holds the ownership of the png pointer and the
-// opened file pointer. Both will be destroyed/closed when this object goes out of scope.
-class PngHandler {
- public:
- PngHandler(const std::string& name);
+std::unique_ptr<GRSurface> GRSurface::Clone() const {
+ auto result = GRSurface::Create(width, height, row_bytes, pixel_bytes);
+ if (!result) return nullptr;
+ memcpy(result->data(), data(), data_size_);
+ return result;
+}
- ~PngHandler();
-
- png_uint_32 width() const {
- return width_;
- }
-
- png_uint_32 height() const {
- return height_;
- }
-
- png_byte channels() const {
- return channels_;
- }
-
- png_structp png_ptr() const {
- return png_ptr_;
- }
-
- png_infop info_ptr() const {
- return info_ptr_;
- }
-
- int error_code() const {
- return error_code_;
- };
-
- operator bool() const {
- return error_code_ == 0;
- }
-
- private:
- png_structp png_ptr_{ nullptr };
- png_infop info_ptr_{ nullptr };
- png_uint_32 width_;
- png_uint_32 height_;
- png_byte channels_;
-
- // The |error_code_| is set to a negative value if an error occurs when opening the png file.
- int error_code_;
- // After initialization, we'll keep the file pointer open before destruction of PngHandler.
- std::unique_ptr<FILE, decltype(&fclose)> png_fp_;
-};
-
+<<<<<<< HEAD
PngHandler::PngHandler(const std::string& name) : error_code_(0), png_fp_(nullptr, fclose) {
char res_path[PATH_MAX];
sprintf(res_path, "/res/images/%s.png", name.c_str());
//std::string res_path = sprintf("/res/images/%s.png", name.c_str());
png_fp_.reset(fopen(res_path, "rbe"));
+=======
+PngHandler::PngHandler(const std::string& name) {
+ std::string res_path = g_resource_dir + "/" + name + ".png";
+ png_fp_.reset(fopen(res_path.c_str(), "rbe"));
+ // Try to read from |name| if the resource path does not work.
+ if (!png_fp_) {
+ png_fp_.reset(fopen(name.c_str(), "rbe"));
+ }
+>>>>>>> android-10.0.0_r25
if (!png_fp_) {
error_code_ = -1;
return;
}
- unsigned char header[8];
+ uint8_t header[8];
size_t bytesRead = fread(header, 1, sizeof(header), png_fp_.get());
if (bytesRead != sizeof(header)) {
error_code_ = -2;
@@ -140,19 +121,17 @@
png_set_sig_bytes(png_ptr_, sizeof(header));
png_read_info(png_ptr_, info_ptr_);
- int color_type;
- int bit_depth;
- png_get_IHDR(png_ptr_, info_ptr_, &width_, &height_, &bit_depth, &color_type, nullptr, nullptr,
+ png_get_IHDR(png_ptr_, info_ptr_, &width_, &height_, &bit_depth_, &color_type_, nullptr, nullptr,
nullptr);
channels_ = png_get_channels(png_ptr_, info_ptr_);
- if (bit_depth == 8 && channels_ == 3 && color_type == PNG_COLOR_TYPE_RGB) {
+ if (bit_depth_ == 8 && channels_ == 3 && color_type_ == PNG_COLOR_TYPE_RGB) {
// 8-bit RGB images: great, nothing to do.
- } else if (bit_depth <= 8 && channels_ == 1 && color_type == PNG_COLOR_TYPE_GRAY) {
+ } else if (bit_depth_ <= 8 && channels_ == 1 && color_type_ == PNG_COLOR_TYPE_GRAY) {
// 1-, 2-, 4-, or 8-bit gray images: expand to 8-bit gray.
png_set_expand_gray_1_2_4_to_8(png_ptr_);
- } else if (bit_depth <= 8 && channels_ == 1 && color_type == PNG_COLOR_TYPE_PALETTE) {
+ } else if (bit_depth_ <= 8 && channels_ == 1 && color_type_ == PNG_COLOR_TYPE_PALETTE) {
// paletted images: expand to 8-bit RGB. Note that we DON'T
// currently expand the tRNS chunk (if any) to an alpha
// channel, because minui doesn't support alpha channels in
@@ -160,8 +139,8 @@
png_set_palette_to_rgb(png_ptr_);
channels_ = 3;
} else {
- fprintf(stderr, "minui doesn't support PNG depth %d channels %d color_type %d\n", bit_depth,
- channels_, color_type);
+ fprintf(stderr, "minui doesn't support PNG depth %d channels %d color_type %d\n", bit_depth_,
+ channels_, color_type_);
error_code_ = -7;
}
}
@@ -172,70 +151,49 @@
}
}
-// "display" surfaces are transformed into the framebuffer's required
-// pixel format (currently only RGBX is supported) at load time, so
-// gr_blit() can be nothing more than a memcpy() for each row. The
-// next two functions are the only ones that know anything about the
-// framebuffer pixel format; they need to be modified if the
-// framebuffer format changes (but nothing else should).
+// "display" surfaces are transformed into the framebuffer's required pixel format (currently only
+// RGBX is supported) at load time, so gr_blit() can be nothing more than a memcpy() for each row.
-// Allocate and return a GRSurface* sufficient for storing an image of
-// the indicated size in the framebuffer pixel format.
-static GRSurface* init_display_surface(png_uint_32 width, png_uint_32 height) {
- GRSurface* surface = malloc_surface(width * height * 4);
- if (surface == NULL) return NULL;
-
- surface->width = width;
- surface->height = height;
- surface->row_bytes = width * 4;
- surface->pixel_bytes = 4;
-
- return surface;
-}
-
-// Copy 'input_row' to 'output_row', transforming it to the
-// framebuffer pixel format. The input format depends on the value of
-// 'channels':
+// Copies 'input_row' to 'output_row', transforming it to the framebuffer pixel format. The input
+// format depends on the value of 'channels':
//
// 1 - input is 8-bit grayscale
// 3 - input is 24-bit RGB
// 4 - input is 32-bit RGBA/RGBX
//
// 'width' is the number of pixels in the row.
-static void transform_rgb_to_draw(unsigned char* input_row,
- unsigned char* output_row,
- int channels, int width) {
- int x;
- unsigned char* ip = input_row;
- unsigned char* op = output_row;
+static void TransformRgbToDraw(const uint8_t* input_row, uint8_t* output_row, int channels,
+ int width) {
+ const uint8_t* ip = input_row;
+ uint8_t* op = output_row;
- switch (channels) {
- case 1:
- // expand gray level to RGBX
- for (x = 0; x < width; ++x) {
- *op++ = *ip;
- *op++ = *ip;
- *op++ = *ip;
- *op++ = 0xff;
- ip++;
- }
- break;
+ switch (channels) {
+ case 1:
+ // expand gray level to RGBX
+ for (int x = 0; x < width; ++x) {
+ *op++ = *ip;
+ *op++ = *ip;
+ *op++ = *ip;
+ *op++ = 0xff;
+ ip++;
+ }
+ break;
- case 3:
- // expand RGBA to RGBX
- for (x = 0; x < width; ++x) {
- *op++ = *ip++;
- *op++ = *ip++;
- *op++ = *ip++;
- *op++ = 0xff;
- }
- break;
+ case 3:
+ // expand RGBA to RGBX
+ for (int x = 0; x < width; ++x) {
+ *op++ = *ip++;
+ *op++ = *ip++;
+ *op++ = *ip++;
+ *op++ = 0xff;
+ }
+ break;
- case 4:
- // copy RGBA to RGBX
- memcpy(output_row, input_row, width*4);
- break;
- }
+ case 4:
+ // copy RGBA to RGBX
+ memcpy(output_row, input_row, width * 4);
+ break;
+ }
}
int res_create_display_surface(const char* name, GRSurface** pSurface) {
@@ -248,23 +206,24 @@
png_uint_32 width = png_handler.width();
png_uint_32 height = png_handler.height();
- GRSurface* surface = init_display_surface(width, height);
+ auto surface = GRSurface::Create(width, height, width * 4, 4);
if (!surface) {
return -8;
}
-#if defined(RECOVERY_ABGR) || defined(RECOVERY_BGRA)
- png_set_bgr(png_ptr);
-#endif
-
- for (png_uint_32 y = 0; y < height; ++y) {
- std::vector<unsigned char> p_row(width * 4);
- png_read_row(png_ptr, p_row.data(), nullptr);
- transform_rgb_to_draw(p_row.data(), surface->data + y * surface->row_bytes,
- png_handler.channels(), width);
+ PixelFormat pixel_format = gr_pixel_format();
+ if (pixel_format == PixelFormat::ABGR || pixel_format == PixelFormat::BGRA) {
+ png_set_bgr(png_ptr);
}
- *pSurface = surface;
+ for (png_uint_32 y = 0; y < height; ++y) {
+ std::vector<uint8_t> p_row(width * 4);
+ png_read_row(png_ptr, p_row.data(), nullptr);
+ TransformRgbToDraw(p_row.data(), surface->data() + y * surface->row_bytes,
+ png_handler.channels(), width);
+ }
+
+ *pSurface = surface.release();
return 0;
}
@@ -317,23 +276,24 @@
goto exit;
}
for (int i = 0; i < *frames; ++i) {
- surface[i] = init_display_surface(width, height / *frames);
- if (!surface[i]) {
+ auto created_surface = GRSurface::Create(width, height / *frames, width * 4, 4);
+ if (!created_surface) {
result = -8;
goto exit;
}
+ surface[i] = created_surface.release();
}
-#if defined(RECOVERY_ABGR) || defined(RECOVERY_BGRA)
- png_set_bgr(png_ptr);
-#endif
+ if (gr_pixel_format() == PixelFormat::ABGR || gr_pixel_format() == PixelFormat::BGRA) {
+ png_set_bgr(png_ptr);
+ }
for (png_uint_32 y = 0; y < height; ++y) {
- std::vector<unsigned char> p_row(width * 4);
+ std::vector<uint8_t> p_row(width * 4);
png_read_row(png_ptr, p_row.data(), nullptr);
int frame = y % *frames;
- unsigned char* out_row = surface[frame]->data + (y / *frames) * surface[frame]->row_bytes;
- transform_rgb_to_draw(p_row.data(), out_row, png_handler.channels(), width);
+ uint8_t* out_row = surface[frame]->data() + (y / *frames) * surface[frame]->row_bytes;
+ TransformRgbToDraw(p_row.data(), out_row, png_handler.channels(), width);
}
*pSurface = surface;
@@ -370,29 +330,30 @@
png_uint_32 width = png_handler.width();
png_uint_32 height = png_handler.height();
- GRSurface* surface = malloc_surface(width * height);
+ auto surface = GRSurface::Create(width, height, width, 1);
if (!surface) {
return -8;
}
- surface->width = width;
- surface->height = height;
- surface->row_bytes = width;
- surface->pixel_bytes = 1;
-#if defined(RECOVERY_ABGR) || defined(RECOVERY_BGRA)
- png_set_bgr(png_ptr);
-#endif
+ PixelFormat pixel_format = gr_pixel_format();
+ if (pixel_format == PixelFormat::ABGR || pixel_format == PixelFormat::BGRA) {
+ png_set_bgr(png_ptr);
+ }
for (png_uint_32 y = 0; y < height; ++y) {
- unsigned char* p_row = surface->data + y * surface->row_bytes;
+ uint8_t* p_row = surface->data() + y * surface->row_bytes;
png_read_row(png_ptr, p_row, nullptr);
}
- *pSurface = surface;
+ *pSurface = surface.release();
return 0;
}
+void res_set_resource_dir(const std::string& dirname) {
+ g_resource_dir = dirname;
+}
+
// This function tests if a locale string stored in PNG (prefix) matches
// the locale string provided by the system (locale).
bool matches_locale(const std::string& prefix, const std::string& locale) {
@@ -430,7 +391,7 @@
}
std::vector<std::string> result;
- std::vector<unsigned char> row(png_handler.width());
+ std::vector<uint8_t> row(png_handler.width());
for (png_uint_32 y = 0; y < png_handler.height(); ++y) {
png_read_row(png_handler.png_ptr(), row.data(), nullptr);
int h = (row[3] << 8) | row[2];
@@ -466,7 +427,7 @@
png_uint_32 height = png_handler.height();
for (png_uint_32 y = 0; y < height; ++y) {
- std::vector<unsigned char> row(width);
+ std::vector<uint8_t> row(width);
png_read_row(png_ptr, row.data(), nullptr);
int w = (row[1] << 8) | row[0];
int h = (row[3] << 8) | row[2];
@@ -476,21 +437,17 @@
if (y + 1 + h >= height || matches_locale(loc, locale)) {
printf(" %20s: %s (%d x %d @ %d)\n", name, loc, w, h, y);
- GRSurface* surface = malloc_surface(w * h);
+ auto surface = GRSurface::Create(w, h, w, 1);
if (!surface) {
return -8;
}
- surface->width = w;
- surface->height = h;
- surface->row_bytes = w;
- surface->pixel_bytes = 1;
for (int i = 0; i < h; ++i, ++y) {
png_read_row(png_ptr, row.data(), nullptr);
- memcpy(surface->data + i * w, row.data(), w);
+ memcpy(surface->data() + i * w, row.data(), w);
}
- *pSurface = surface;
+ *pSurface = surface.release();
break;
}