Merge "minui: Move GRSurface into a class."
am: 66a576b79c
Change-Id: I8b9a75bc1316fcce85ee4aaac9f294c026521b5c
diff --git a/minui/graphics.cpp b/minui/graphics.cpp
index e6367d9..4d1f9b2 100644
--- a/minui/graphics.cpp
+++ b/minui/graphics.cpp
@@ -40,7 +40,7 @@
static constexpr uint32_t alpha_mask = 0xff000000;
// gr_draw is owned by backends.
-static const GRSurface* gr_draw = nullptr;
+static GRSurface* gr_draw = nullptr;
static GRRotation rotation = GRRotation::NONE;
static PixelFormat pixel_format = PixelFormat::UNKNOWN;
@@ -121,28 +121,29 @@
}
// Returns pixel pointer at given coordinates with rotation adjustment.
-static uint32_t* pixel_at(const GRSurface* surf, int x, int y, int row_pixels) {
+static uint32_t* PixelAt(GRSurface* surface, int x, int y, int row_pixels) {
switch (rotation) {
case GRRotation::NONE:
- return reinterpret_cast<uint32_t*>(surf->data) + y * row_pixels + x;
+ return reinterpret_cast<uint32_t*>(surface->data()) + y * row_pixels + x;
case GRRotation::RIGHT:
- return reinterpret_cast<uint32_t*>(surf->data) + x * row_pixels + (surf->width - y);
+ return reinterpret_cast<uint32_t*>(surface->data()) + x * row_pixels + (surface->width - y);
case GRRotation::DOWN:
- return reinterpret_cast<uint32_t*>(surf->data) + (surf->height - 1 - y) * row_pixels +
- (surf->width - 1 - x);
+ return reinterpret_cast<uint32_t*>(surface->data()) + (surface->height - 1 - y) * row_pixels +
+ (surface->width - 1 - x);
case GRRotation::LEFT:
- return reinterpret_cast<uint32_t*>(surf->data) + (surf->height - 1 - x) * row_pixels + y;
+ return reinterpret_cast<uint32_t*>(surface->data()) + (surface->height - 1 - x) * row_pixels +
+ y;
default:
printf("invalid rotation %d", static_cast<int>(rotation));
}
return nullptr;
}
-static void text_blend(uint8_t* src_p, int src_row_bytes, uint32_t* dst_p, int dst_row_pixels,
- int width, int height) {
+static void TextBlend(const uint8_t* src_p, int src_row_bytes, uint32_t* dst_p, int dst_row_pixels,
+ int width, int height) {
uint8_t alpha_current = static_cast<uint8_t>((alpha_mask & gr_current) >> 24);
for (int j = 0; j < height; ++j) {
- uint8_t* sx = src_p;
+ const uint8_t* sx = src_p;
uint32_t* px = dst_p;
for (int i = 0; i < width; ++i, incr_x(&px, dst_row_pixels)) {
uint8_t a = *sx++;
@@ -176,18 +177,18 @@
}
int row_pixels = gr_draw->row_bytes / gr_draw->pixel_bytes;
- uint8_t* src_p = font->texture->data + ((ch - ' ') * font->char_width) +
- (bold ? font->char_height * font->texture->row_bytes : 0);
- uint32_t* dst_p = pixel_at(gr_draw, x, y, row_pixels);
+ const uint8_t* src_p = font->texture->data() + ((ch - ' ') * font->char_width) +
+ (bold ? font->char_height * font->texture->row_bytes : 0);
+ uint32_t* dst_p = PixelAt(gr_draw, x, y, row_pixels);
- text_blend(src_p, font->texture->row_bytes, dst_p, row_pixels, font->char_width,
- font->char_height);
+ TextBlend(src_p, font->texture->row_bytes, dst_p, row_pixels, font->char_width,
+ font->char_height);
x += font->char_width;
}
}
-void gr_texticon(int x, int y, GRSurface* icon) {
+void gr_texticon(int x, int y, const GRSurface* icon) {
if (icon == nullptr) return;
if (icon->pixel_bytes != 1) {
@@ -201,10 +202,9 @@
if (outside(x, y) || outside(x + icon->width - 1, y + icon->height - 1)) return;
int row_pixels = gr_draw->row_bytes / gr_draw->pixel_bytes;
- uint8_t* src_p = icon->data;
- uint32_t* dst_p = pixel_at(gr_draw, x, y, row_pixels);
-
- text_blend(src_p, icon->row_bytes, dst_p, row_pixels, icon->width, icon->height);
+ const uint8_t* src_p = icon->data();
+ uint32_t* dst_p = PixelAt(gr_draw, x, y, row_pixels);
+ TextBlend(src_p, icon->row_bytes, dst_p, row_pixels, icon->width, icon->height);
}
void gr_color(unsigned char r, unsigned char g, unsigned char b, unsigned char a) {
@@ -221,9 +221,9 @@
(gr_current & 0xff) == ((gr_current >> 16) & 0xff) &&
(gr_current & 0xff) == ((gr_current >> 24) & 0xff) &&
gr_draw->row_bytes == gr_draw->width * gr_draw->pixel_bytes) {
- memset(gr_draw->data, gr_current & 0xff, gr_draw->height * gr_draw->row_bytes);
+ memset(gr_draw->data(), gr_current & 0xff, gr_draw->height * gr_draw->row_bytes);
} else {
- uint32_t* px = reinterpret_cast<uint32_t*>(gr_draw->data);
+ uint32_t* px = reinterpret_cast<uint32_t*>(gr_draw->data());
int row_diff = gr_draw->row_bytes / gr_draw->pixel_bytes - gr_draw->width;
for (int y = 0; y < gr_draw->height; ++y) {
for (int x = 0; x < gr_draw->width; ++x) {
@@ -244,7 +244,7 @@
if (outside(x1, y1) || outside(x2 - 1, y2 - 1)) return;
int row_pixels = gr_draw->row_bytes / gr_draw->pixel_bytes;
- uint32_t* p = pixel_at(gr_draw, x1, y1, row_pixels);
+ uint32_t* p = PixelAt(gr_draw, x1, y1, row_pixels);
uint8_t alpha = static_cast<uint8_t>(((gr_current & alpha_mask) >> 24));
if (alpha > 0) {
for (int y = y1; y < y2; ++y) {
@@ -258,7 +258,7 @@
}
}
-void gr_blit(GRSurface* source, int sx, int sy, int w, int h, int dx, int dy) {
+void gr_blit(const GRSurface* source, int sx, int sy, int w, int h, int dx, int dy) {
if (source == nullptr) return;
if (gr_draw->pixel_bytes != source->pixel_bytes) {
@@ -274,11 +274,12 @@
if (rotation != GRRotation::NONE) {
int src_row_pixels = source->row_bytes / source->pixel_bytes;
int row_pixels = gr_draw->row_bytes / gr_draw->pixel_bytes;
- uint32_t* src_py = reinterpret_cast<uint32_t*>(source->data) + sy * source->row_bytes / 4 + sx;
- uint32_t* dst_py = pixel_at(gr_draw, dx, dy, row_pixels);
+ const uint32_t* src_py =
+ reinterpret_cast<const uint32_t*>(source->data()) + sy * source->row_bytes / 4 + sx;
+ uint32_t* dst_py = PixelAt(gr_draw, dx, dy, row_pixels);
for (int y = 0; y < h; y += 1) {
- uint32_t* src_px = src_py;
+ const uint32_t* src_px = src_py;
uint32_t* dst_px = dst_py;
for (int x = 0; x < w; x += 1) {
*dst_px = *src_px++;
@@ -288,8 +289,8 @@
incr_y(&dst_py, row_pixels);
}
} else {
- unsigned char* src_p = source->data + sy * source->row_bytes + sx * source->pixel_bytes;
- unsigned char* dst_p = gr_draw->data + dy * gr_draw->row_bytes + dx * gr_draw->pixel_bytes;
+ const uint8_t* src_p = source->data() + sy * source->row_bytes + sx * source->pixel_bytes;
+ uint8_t* dst_p = gr_draw->data() + dy * gr_draw->row_bytes + dx * gr_draw->pixel_bytes;
for (int i = 0; i < h; ++i) {
memcpy(dst_p, src_p, w * source->pixel_bytes);
diff --git a/minui/graphics_adf.cpp b/minui/graphics_adf.cpp
index 7439df9..6fc193f 100644
--- a/minui/graphics_adf.cpp
+++ b/minui/graphics_adf.cpp
@@ -45,14 +45,14 @@
surf->row_bytes = surf->pitch;
surf->pixel_bytes = (format == DRM_FORMAT_RGB565) ? 2 : 4;
- surf->data = static_cast<uint8_t*>(
- mmap(nullptr, surf->pitch * surf->height, PROT_WRITE, MAP_SHARED, surf->fd, surf->offset));
- if (surf->data == MAP_FAILED) {
+ auto mmapped =
+ mmap(nullptr, surf->pitch * surf->height, PROT_WRITE, MAP_SHARED, surf->fd, surf->offset);
+ if (mmapped == MAP_FAILED) {
int saved_errno = errno;
close(surf->fd);
return -saved_errno;
}
-
+ surf->mmapped_buffer_ = static_cast<uint8_t*>(mmapped);
return 0;
}
@@ -185,7 +185,9 @@
}
void MinuiBackendAdf::SurfaceDestroy(GRSurfaceAdf* surf) {
- munmap(surf->data, surf->pitch * surf->height);
+ if (surf->mmapped_buffer_) {
+ munmap(surf->mmapped_buffer_, surf->pitch * surf->height);
+ }
close(surf->fence_fd);
close(surf->fd);
}
diff --git a/minui/graphics_adf.h b/minui/graphics_adf.h
index 2f019ed..099d329 100644
--- a/minui/graphics_adf.h
+++ b/minui/graphics_adf.h
@@ -14,21 +14,30 @@
* limitations under the License.
*/
-#ifndef _GRAPHICS_ADF_H_
-#define _GRAPHICS_ADF_H_
+#pragma once
+
+#include <stdint.h>
#include <adf/adf.h>
#include "graphics.h"
+#include "minui/minui.h"
class GRSurfaceAdf : public GRSurface {
+ public:
+ uint8_t* data() override {
+ return mmapped_buffer_;
+ }
+
private:
+ friend class MinuiBackendAdf;
+
int fence_fd;
int fd;
__u32 offset;
__u32 pitch;
- friend class MinuiBackendAdf;
+ uint8_t* mmapped_buffer_{ nullptr };
};
class MinuiBackendAdf : public MinuiBackend {
@@ -54,5 +63,3 @@
unsigned int n_surfaces;
GRSurfaceAdf surfaces[2];
};
-
-#endif // _GRAPHICS_ADF_H_
diff --git a/minui/graphics_drm.cpp b/minui/graphics_drm.cpp
index 630b801..81b49fd 100644
--- a/minui/graphics_drm.cpp
+++ b/minui/graphics_drm.cpp
@@ -70,8 +70,8 @@
void MinuiBackendDrm::DrmDestroySurface(GRSurfaceDrm* surface) {
if (!surface) return;
- if (surface->data) {
- munmap(surface->data, surface->row_bytes * surface->height);
+ if (surface->mmapped_buffer_) {
+ munmap(surface->mmapped_buffer_, surface->row_bytes * surface->height);
}
if (surface->fb_id) {
@@ -172,15 +172,14 @@
surface->width = width;
surface->row_bytes = create_dumb.pitch;
surface->pixel_bytes = create_dumb.bpp / 8;
- surface->data = static_cast<unsigned char*>(mmap(nullptr, surface->height * surface->row_bytes,
- PROT_READ | PROT_WRITE, MAP_SHARED, drm_fd,
- map_dumb.offset));
- if (surface->data == MAP_FAILED) {
+ auto mmapped = mmap(nullptr, surface->height * surface->row_bytes, PROT_READ | PROT_WRITE,
+ MAP_SHARED, drm_fd, map_dumb.offset);
+ if (mmapped == MAP_FAILED) {
perror("mmap() failed");
DrmDestroySurface(surface);
return nullptr;
}
-
+ surface->mmapped_buffer_ = static_cast<uint8_t*>(mmapped);
return surface;
}
diff --git a/minui/graphics_drm.h b/minui/graphics_drm.h
index 756625b..f3aad6b 100644
--- a/minui/graphics_drm.h
+++ b/minui/graphics_drm.h
@@ -14,8 +14,7 @@
* limitations under the License.
*/
-#ifndef _GRAPHICS_DRM_H_
-#define _GRAPHICS_DRM_H_
+#pragma once
#include <stdint.h>
@@ -25,11 +24,17 @@
#include "minui/minui.h"
class GRSurfaceDrm : public GRSurface {
+ public:
+ uint8_t* data() override {
+ return mmapped_buffer_;
+ }
+
private:
+ friend class MinuiBackendDrm;
+
uint32_t fb_id;
uint32_t handle;
-
- friend class MinuiBackendDrm;
+ uint8_t* mmapped_buffer_{ nullptr };
};
class MinuiBackendDrm : public MinuiBackend {
@@ -54,5 +59,3 @@
drmModeConnector* main_monitor_connector;
int drm_fd;
};
-
-#endif // _GRAPHICS_DRM_H_
diff --git a/minui/graphics_fbdev.cpp b/minui/graphics_fbdev.cpp
index 746f42a..f958d62 100644
--- a/minui/graphics_fbdev.cpp
+++ b/minui/graphics_fbdev.cpp
@@ -100,16 +100,16 @@
gr_framebuffer[0].height = vi.yres;
gr_framebuffer[0].row_bytes = fi.line_length;
gr_framebuffer[0].pixel_bytes = vi.bits_per_pixel / 8;
- gr_framebuffer[0].data = static_cast<uint8_t*>(bits);
- memset(gr_framebuffer[0].data, 0, gr_framebuffer[0].height * gr_framebuffer[0].row_bytes);
+ gr_framebuffer[0].buffer_ = static_cast<uint8_t*>(bits);
+ memset(gr_framebuffer[0].buffer_, 0, gr_framebuffer[0].height * gr_framebuffer[0].row_bytes);
/* check if we can use double buffering */
if (vi.yres * fi.line_length * 2 <= fi.smem_len) {
double_buffered = true;
- memcpy(gr_framebuffer + 1, gr_framebuffer, sizeof(GRSurface));
- gr_framebuffer[1].data =
- gr_framebuffer[0].data + gr_framebuffer[0].height * gr_framebuffer[0].row_bytes;
+ gr_framebuffer[1] = gr_framebuffer[0];
+ gr_framebuffer[1].buffer_ =
+ gr_framebuffer[0].buffer_ + gr_framebuffer[0].height * gr_framebuffer[0].row_bytes;
gr_draw = gr_framebuffer + 1;
@@ -120,16 +120,12 @@
// draw in, and then "flipping" the buffer consists of a
// memcpy from the buffer we allocated to the framebuffer.
- gr_draw = static_cast<GRSurface*>(malloc(sizeof(GRSurface)));
- memcpy(gr_draw, gr_framebuffer, sizeof(GRSurface));
- gr_draw->data = static_cast<unsigned char*>(malloc(gr_draw->height * gr_draw->row_bytes));
- if (!gr_draw->data) {
- perror("failed to allocate in-memory surface");
- return nullptr;
- }
+ gr_draw = new GRSurfaceFbdev;
+ *gr_draw = gr_framebuffer[0];
+ gr_draw->buffer_ = new uint8_t[gr_draw->height * gr_draw->row_bytes];
}
- memset(gr_draw->data, 0, gr_draw->height * gr_draw->row_bytes);
+ memset(gr_draw->buffer_, 0, gr_draw->height * gr_draw->row_bytes);
fb_fd = fd;
SetDisplayedFramebuffer(0);
@@ -150,7 +146,7 @@
SetDisplayedFramebuffer(1 - displayed_buffer);
} else {
// Copy from the in-memory surface to the framebuffer.
- memcpy(gr_framebuffer[0].data, gr_draw->data, gr_draw->height * gr_draw->row_bytes);
+ memcpy(gr_framebuffer[0].buffer_, gr_draw->buffer_, gr_draw->height * gr_draw->row_bytes);
}
return gr_draw;
}
@@ -160,8 +156,8 @@
fb_fd = -1;
if (!double_buffered && gr_draw) {
- free(gr_draw->data);
- free(gr_draw);
+ delete[] gr_draw->buffer_;
+ delete gr_draw;
}
gr_draw = nullptr;
}
diff --git a/minui/graphics_fbdev.h b/minui/graphics_fbdev.h
index 107e195..be813dc 100644
--- a/minui/graphics_fbdev.h
+++ b/minui/graphics_fbdev.h
@@ -14,14 +14,27 @@
* limitations under the License.
*/
-#ifndef _GRAPHICS_FBDEV_H_
-#define _GRAPHICS_FBDEV_H_
+#pragma once
#include <linux/fb.h>
+#include <stdint.h>
#include "graphics.h"
#include "minui/minui.h"
+class GRSurfaceFbdev : public GRSurface {
+ public:
+ uint8_t* data() override {
+ return buffer_;
+ }
+
+ private:
+ friend class MinuiBackendFbdev;
+
+ // Points to the start of the buffer: either the mmap'd framebuffer or one allocated in-memory.
+ uint8_t* buffer_;
+};
+
class MinuiBackendFbdev : public MinuiBackend {
public:
GRSurface* Init() override;
@@ -33,12 +46,10 @@
private:
void SetDisplayedFramebuffer(unsigned n);
- GRSurface gr_framebuffer[2];
+ GRSurfaceFbdev gr_framebuffer[2];
bool double_buffered;
- GRSurface* gr_draw;
+ GRSurfaceFbdev* gr_draw;
int displayed_buffer;
fb_var_screeninfo vi;
int fb_fd;
};
-
-#endif // _GRAPHICS_FBDEV_H_
diff --git a/minui/include/minui/minui.h b/minui/include/minui/minui.h
index fa13ecd..e9bd1c4 100644
--- a/minui/include/minui/minui.h
+++ b/minui/include/minui/minui.h
@@ -14,12 +14,13 @@
* limitations under the License.
*/
-#ifndef _MINUI_H_
-#define _MINUI_H_
+#pragma once
+#include <stdint.h>
#include <sys/types.h>
#include <functional>
+#include <memory>
#include <string>
#include <vector>
@@ -27,12 +28,31 @@
// Graphics.
//
-struct GRSurface {
+class GRSurface {
+ public:
+ GRSurface() = default;
+ virtual ~GRSurface();
+
+ // Creates and returns a GRSurface instance for the given data_size. The starting address of the
+ // surface data is aligned to SURFACE_DATA_ALIGNMENT. Returns the created GRSurface instance (in
+ // std::unique_ptr), or nullptr on error.
+ static std::unique_ptr<GRSurface> Create(size_t data_size);
+
+ virtual uint8_t* data() {
+ return data_;
+ }
+
+ const uint8_t* data() const {
+ return const_cast<const uint8_t*>(const_cast<GRSurface*>(this)->data());
+ }
+
int width;
int height;
int row_bytes;
int pixel_bytes;
- unsigned char* data;
+
+ private:
+ uint8_t* data_{ nullptr };
};
struct GRFont {
@@ -75,7 +95,7 @@
void gr_color(unsigned char r, unsigned char g, unsigned char b, unsigned char a);
void gr_fill(int x1, int y1, int x2, int y2);
-void gr_texticon(int x, int y, GRSurface* icon);
+void gr_texticon(int x, int y, const GRSurface* icon);
const GRFont* gr_sys_font();
int gr_init_font(const char* name, GRFont** dest);
@@ -85,7 +105,7 @@
// Returns -1 if font is nullptr.
int gr_font_size(const GRFont* font, int* x, int* y);
-void gr_blit(GRSurface* source, int sx, int sy, int w, int h, int dx, int dy);
+void gr_blit(const GRSurface* source, int sx, int sy, int w, int h, int dx, int dy);
unsigned int gr_get_width(const GRSurface* surface);
unsigned int gr_get_height(const GRSurface* surface);
@@ -165,5 +185,3 @@
// Free a surface allocated by any of the res_create_*_surface()
// functions.
void res_free_surface(GRSurface* surface);
-
-#endif
diff --git a/minui/resources.cpp b/minui/resources.cpp
index 477fbe2..c01c186 100644
--- a/minui/resources.cpp
+++ b/minui/resources.cpp
@@ -37,18 +37,23 @@
#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 data_size) {
+ static constexpr size_t kSurfaceDataAlignment = 8;
+ std::unique_ptr<GRSurface> result = std::make_unique<GRSurface>();
+ size_t aligned_size =
+ (data_size + kSurfaceDataAlignment - 1) / kSurfaceDataAlignment * kSurfaceDataAlignment;
+ result->data_ = static_cast<uint8_t*>(aligned_alloc(kSurfaceDataAlignment, aligned_size));
+ if (result->data_ == nullptr) return nullptr;
+ return result;
+}
+
+GRSurface::~GRSurface() {
+ if (data_ != nullptr) {
+ free(data_);
+ data_ = nullptr;
+ }
}
PngHandler::PngHandler(const std::string& name) {
@@ -133,18 +138,18 @@
// framebuffer pixel format; they need to be modified if the
// framebuffer format changes (but nothing else should).
-// 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;
+// Allocates and returns a GRSurface* sufficient for storing an image of the indicated size in the
+// framebuffer pixel format.
+static std::unique_ptr<GRSurface> init_display_surface(png_uint_32 width, png_uint_32 height) {
+ std::unique_ptr<GRSurface> surface = GRSurface::Create(width * height * 4);
+ if (!surface) return nullptr;
- surface->width = width;
- surface->height = height;
- surface->row_bytes = width * 4;
- surface->pixel_bytes = 4;
+ surface->width = width;
+ surface->height = height;
+ surface->row_bytes = width * 4;
+ surface->pixel_bytes = 4;
- return surface;
+ return surface;
}
// Copy 'input_row' to 'output_row', transforming it to the
@@ -202,7 +207,7 @@
png_uint_32 width = png_handler.width();
png_uint_32 height = png_handler.height();
- GRSurface* surface = init_display_surface(width, height);
+ std::unique_ptr<GRSurface> surface = init_display_surface(width, height);
if (!surface) {
return -8;
}
@@ -215,11 +220,11 @@
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,
+ transform_rgb_to_draw(p_row.data(), surface->data() + y * surface->row_bytes,
png_handler.channels(), width);
}
- *pSurface = surface;
+ *pSurface = surface.release();
return 0;
}
@@ -272,11 +277,12 @@
goto exit;
}
for (int i = 0; i < *frames; ++i) {
- surface[i] = init_display_surface(width, height / *frames);
- if (!surface[i]) {
+ auto created_surface = init_display_surface(width, height / *frames);
+ if (!created_surface) {
result = -8;
goto exit;
}
+ surface[i] = created_surface.release();
}
if (gr_pixel_format() == PixelFormat::ABGR || gr_pixel_format() == PixelFormat::BGRA) {
@@ -287,7 +293,7 @@
std::vector<unsigned char> 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;
+ 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);
}
@@ -319,7 +325,7 @@
png_uint_32 width = png_handler.width();
png_uint_32 height = png_handler.height();
- GRSurface* surface = malloc_surface(width * height);
+ std::unique_ptr<GRSurface> surface = GRSurface::Create(width * height);
if (!surface) {
return -8;
}
@@ -334,11 +340,11 @@
}
for (png_uint_32 y = 0; y < height; ++y) {
- unsigned char* p_row = surface->data + y * surface->row_bytes;
+ unsigned char* p_row = surface->data() + y * surface->row_bytes;
png_read_row(png_ptr, p_row, nullptr);
}
- *pSurface = surface;
+ *pSurface = surface.release();
return 0;
}
@@ -429,7 +435,7 @@
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);
+ std::unique_ptr<GRSurface> surface = GRSurface::Create(w * h);
if (!surface) {
return -8;
}
@@ -440,10 +446,10 @@
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;
}
diff --git a/screen_ui.h b/screen_ui.h
index 9152887..861b360 100644
--- a/screen_ui.h
+++ b/screen_ui.h
@@ -29,7 +29,7 @@
#include "ui.h"
// From minui/minui.h.
-struct GRSurface;
+class GRSurface;
enum class UIElement {
HEADER,
diff --git a/tests/unit/minui_test.cpp b/tests/unit/minui_test.cpp
new file mode 100644
index 0000000..cad6a3d
--- /dev/null
+++ b/tests/unit/minui_test.cpp
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdint.h>
+
+#include <memory>
+
+#include <gtest/gtest.h>
+
+#include "minui/minui.h"
+
+TEST(GRSurfaceTest, Create_aligned) {
+ static constexpr size_t kSurfaceDataAlignment = 8;
+ for (size_t data_size = 100; data_size < 128; data_size++) {
+ std::unique_ptr<GRSurface> surface(GRSurface::Create(data_size));
+ ASSERT_TRUE(surface);
+ ASSERT_EQ(0, reinterpret_cast<uintptr_t>(surface->data()) % kSurfaceDataAlignment);
+ }
+}