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path: root/backends/platform/psp/image_viewer.cpp
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Diffstat (limited to 'backends/platform/psp/image_viewer.cpp')
-rw-r--r--backends/platform/psp/image_viewer.cpp90
1 files changed, 45 insertions, 45 deletions
diff --git a/backends/platform/psp/image_viewer.cpp b/backends/platform/psp/image_viewer.cpp
index 97d582b63a..1ed7698bc8 100644
--- a/backends/platform/psp/image_viewer.cpp
+++ b/backends/platform/psp/image_viewer.cpp
@@ -34,45 +34,45 @@
#include "backends/platform/psp/input.h"
#include "backends/platform/psp/display_manager.h"
#include "backends/platform/psp/display_client.h"
-#include "backends/platform/psp/image_viewer.h"
-#include "backends/platform/psp/png_loader.h"
+#include "backends/platform/psp/image_viewer.h"
+#include "backends/platform/psp/png_loader.h"
#include "backends/platform/psp/thread.h"
static const char *imageName = "psp_image";
#define PSP_SCREEN_HEIGHT 272
#define PSP_SCREEN_WIDTH 480
-
+
bool ImageViewer::load(int imageNum) {
if (_init)
unload();
-
+
// build string
char number[8];
sprintf(number, "%d", imageNum);
- Common::String imageNameStr(imageName);
+ Common::String imageNameStr(imageName);
Common::String specificImageName = imageNameStr + Common::String(number) + Common::String(".png");
-
+
// search for image file
if (!SearchMan.hasFile(specificImageName)) {
PSP_ERROR("file %s not found\n", specificImageName.c_str());
return false;
}
-
+
Common::ScopedPtr<Common::SeekableReadStream> file(SearchMan.createReadStreamForMember(specificImageName));
-
+
_buffer = new Buffer();
_palette = new Palette();
_renderer = new GuRenderer();
-
+
assert(_buffer);
assert(_palette);
assert(_renderer);
-
+
// Load a PNG into our buffer and palette. Size it by the actual size of the image
PngLoader image(file, *_buffer, *_palette, Buffer::kSizeBySourceSize);
-
+
PngLoader::Status status = image.allocate(); // allocate the buffers for the file
-
+
char error[100];
if (status == PngLoader::BAD_FILE) {
sprintf(error, "Cannot display %s. Not a proper PNG file", specificImageName.c_str());
@@ -89,29 +89,29 @@ bool ImageViewer::load(int imageNum) {
if (!image.load()) {
sprintf(error, "Cannot display %s. Not a proper PNG file", specificImageName.c_str());
GUI::TimedMessageDialog dialog(error, 4000);
- dialog.runModal();
+ dialog.runModal();
return false;
}
-
+
setConstantRendererOptions();
setFullScreenImageParams(); // prepare renderer for full screen view
-
+
_imageNum = imageNum; // now we can say we displayed this image
_init = true;
-
+
return true;
}
void ImageViewer::setConstantRendererOptions() {
_renderer->setBuffer(_buffer);
_renderer->setPalette(_palette);
-
+
_renderer->setAlphaBlending(false);
_renderer->setColorTest(false);
_renderer->setUseGlobalScaler(false);
_renderer->setStretch(true);
_renderer->setOffsetInBuffer(0, 0);
- _renderer->setDrawWholeBuffer();
+ _renderer->setDrawWholeBuffer();
}
void ImageViewer::unload() {
@@ -130,32 +130,32 @@ void ImageViewer::resetOnEngineDone() {
void ImageViewer::setVisible(bool visible) {
DEBUG_ENTER_FUNC();
-
+
if (_visible == visible)
return;
-
+
// from here on, we're making the loader visible
if (visible && g_engine) { // we can only run the image viewer when there's an engine
g_engine->pauseEngine(true);
-
+
load(_imageNum ? _imageNum : 1); // load the 1st image or the current
}
if (visible && _init) { // we managed to load
_visible = true;
setViewerButtons(true);
-
+
{ // so dialog goes out of scope, destroying all allocations
GUI::TimedMessageDialog dialog("Image Viewer", 1000);
dialog.runModal();
}
-
+
runLoop(); // only listen to viewer events
} else { // we were asked to make invisible or failed to load
_visible = false;
unload();
setViewerButtons(false);
-
+
if (g_engine && g_engine->isPaused())
g_engine->pauseEngine(false);
}
@@ -175,7 +175,7 @@ void ImageViewer::runLoop() {
void ImageViewer::setViewerButtons(bool active) {
_inputHandler->setImageViewerMode(active);
-}
+}
void ImageViewer::loadNextImage() {
if (!load(_imageNum+1)) { // try to load the next image
@@ -190,21 +190,21 @@ void ImageViewer::loadLastImage() {
if (!load(_imageNum-1))
if (!load(_imageNum))
setVisible(false); // we can't even show the old image so hide
- }
+ }
setDirty();
}
void ImageViewer::setFullScreenImageParams() {
// we try to fit the image fullscreen at least in one dimension
uint32 width = _buffer->getSourceWidth();
- uint32 height = _buffer->getSourceHeight();
+ uint32 height = _buffer->getSourceHeight();
_centerX = PSP_SCREEN_WIDTH / 2.0f;
_centerY = PSP_SCREEN_HEIGHT / 2.0f;
-
+
// see if we fit width wise
if (PSP_SCREEN_HEIGHT >= (int)((height * PSP_SCREEN_WIDTH) / (float)width)) {
- setZoom(PSP_SCREEN_WIDTH / (float)width);
+ setZoom(PSP_SCREEN_WIDTH / (float)width);
} else {
setZoom(PSP_SCREEN_HEIGHT / (float)height);
}
@@ -233,32 +233,32 @@ void ImageViewer::render() {
break;
}
_renderer->render();
- }
+ }
}
void ImageViewer::modifyZoom(bool up) {
float factor = _zoomFactor;
- if (up)
+ if (up)
factor += 0.1f;
else // down
factor -= 0.1f;
-
- setZoom(factor);
+
+ setZoom(factor);
}
-void ImageViewer::setZoom(float value) {
+void ImageViewer::setZoom(float value) {
if (value <= 0.0f) // don't want 0 or negative zoom
return;
_zoomFactor = value;
- _renderer->setStretchXY(value, value);
+ _renderer->setStretchXY(value, value);
setOffsetParams();
}
void ImageViewer::moveImageX(float val) {
float newVal = _centerX + val;
-
- if (newVal - (_visibleWidth / 2) > PSP_SCREEN_WIDTH - 4 || newVal + (_visibleWidth / 2) < 4)
+
+ if (newVal - (_visibleWidth / 2) > PSP_SCREEN_WIDTH - 4 || newVal + (_visibleWidth / 2) < 4)
return;
_centerX = newVal;
setOffsetParams();
@@ -266,22 +266,22 @@ void ImageViewer::moveImageX(float val) {
void ImageViewer::moveImageY(float val) {
float newVal = _centerY + val;
-
- if (newVal - (_visibleHeight / 2) > PSP_SCREEN_HEIGHT - 4 || newVal + (_visibleHeight / 2) < 4)
+
+ if (newVal - (_visibleHeight / 2) > PSP_SCREEN_HEIGHT - 4 || newVal + (_visibleHeight / 2) < 4)
return;
_centerY = newVal;
setOffsetParams();
}
-// Set the renderer with the proper offset on the screen
+// Set the renderer with the proper offset on the screen
//
void ImageViewer::setOffsetParams() {
_visibleWidth = _zoomFactor * _buffer->getSourceWidth();
- _visibleHeight = _zoomFactor * _buffer->getSourceHeight();
-
+ _visibleHeight = _zoomFactor * _buffer->getSourceHeight();
+
int offsetX = _centerX - (int)(_visibleWidth * 0.5f);
int offsetY = _centerY - (int)(_visibleHeight * 0.5f);
-
+
_renderer->setOffsetOnScreen(offsetX, offsetY);
setDirty();
}
@@ -290,8 +290,8 @@ void ImageViewer::setOffsetParams() {
//
void ImageViewer::handleEvent(uint32 event) {
DEBUG_ENTER_FUNC();
-
- switch (event) {
+
+ switch (event) {
case EVENT_HIDE:
setVisible(false);
break;
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-21 02:02:55 +0000